1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2 /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
4 #include <linux/kernel.h>
5 #include <linux/module.h>
6 #include <linux/types.h>
8 #include <linux/netdevice.h>
9 #include <linux/etherdevice.h>
10 #include <linux/ethtool.h>
11 #include <linux/slab.h>
12 #include <linux/device.h>
13 #include <linux/skbuff.h>
14 #include <linux/if_vlan.h>
15 #include <linux/if_bridge.h>
16 #include <linux/workqueue.h>
17 #include <linux/jiffies.h>
18 #include <linux/bitops.h>
19 #include <linux/list.h>
20 #include <linux/notifier.h>
21 #include <linux/dcbnl.h>
22 #include <linux/inetdevice.h>
23 #include <linux/netlink.h>
24 #include <linux/jhash.h>
25 #include <linux/log2.h>
26 #include <net/switchdev.h>
27 #include <net/pkt_cls.h>
28 #include <net/netevent.h>
29 #include <net/addrconf.h>
39 #include "spectrum_cnt.h"
40 #include "spectrum_dpipe.h"
41 #include "spectrum_acl_flex_actions.h"
42 #include "spectrum_span.h"
43 #include "spectrum_ptp.h"
44 #include "spectrum_trap.h"
45 #include "../mlxfw/mlxfw.h"
47 #define MLXSW_SP1_FWREV_MAJOR 13
48 #define MLXSW_SP1_FWREV_MINOR 2000
49 #define MLXSW_SP1_FWREV_SUBMINOR 2714
50 #define MLXSW_SP1_FWREV_CAN_RESET_MINOR 1702
52 static const struct mlxsw_fw_rev mlxsw_sp1_fw_rev = {
53 .major = MLXSW_SP1_FWREV_MAJOR,
54 .minor = MLXSW_SP1_FWREV_MINOR,
55 .subminor = MLXSW_SP1_FWREV_SUBMINOR,
56 .can_reset_minor = MLXSW_SP1_FWREV_CAN_RESET_MINOR,
59 #define MLXSW_SP1_FW_FILENAME \
60 "mellanox/mlxsw_spectrum-" __stringify(MLXSW_SP1_FWREV_MAJOR) \
61 "." __stringify(MLXSW_SP1_FWREV_MINOR) \
62 "." __stringify(MLXSW_SP1_FWREV_SUBMINOR) ".mfa2"
64 #define MLXSW_SP2_FWREV_MAJOR 29
65 #define MLXSW_SP2_FWREV_MINOR 2000
66 #define MLXSW_SP2_FWREV_SUBMINOR 2714
68 static const struct mlxsw_fw_rev mlxsw_sp2_fw_rev = {
69 .major = MLXSW_SP2_FWREV_MAJOR,
70 .minor = MLXSW_SP2_FWREV_MINOR,
71 .subminor = MLXSW_SP2_FWREV_SUBMINOR,
74 #define MLXSW_SP2_FW_FILENAME \
75 "mellanox/mlxsw_spectrum2-" __stringify(MLXSW_SP2_FWREV_MAJOR) \
76 "." __stringify(MLXSW_SP2_FWREV_MINOR) \
77 "." __stringify(MLXSW_SP2_FWREV_SUBMINOR) ".mfa2"
79 static const char mlxsw_sp1_driver_name[] = "mlxsw_spectrum";
80 static const char mlxsw_sp2_driver_name[] = "mlxsw_spectrum2";
81 static const char mlxsw_sp3_driver_name[] = "mlxsw_spectrum3";
82 static const char mlxsw_sp_driver_version[] = "1.0";
84 static const unsigned char mlxsw_sp1_mac_mask[ETH_ALEN] = {
85 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00
87 static const unsigned char mlxsw_sp2_mac_mask[ETH_ALEN] = {
88 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00
95 MLXSW_ITEM32(tx, hdr, version, 0x00, 28, 4);
98 * Packet control type.
99 * 0 - Ethernet control (e.g. EMADs, LACP)
102 MLXSW_ITEM32(tx, hdr, ctl, 0x00, 26, 2);
105 * Packet protocol type. Must be set to 1 (Ethernet).
107 MLXSW_ITEM32(tx, hdr, proto, 0x00, 21, 3);
109 /* tx_hdr_rx_is_router
110 * Packet is sent from the router. Valid for data packets only.
112 MLXSW_ITEM32(tx, hdr, rx_is_router, 0x00, 19, 1);
115 * Indicates if the 'fid' field is valid and should be used for
116 * forwarding lookup. Valid for data packets only.
118 MLXSW_ITEM32(tx, hdr, fid_valid, 0x00, 16, 1);
121 * Switch partition ID. Must be set to 0.
123 MLXSW_ITEM32(tx, hdr, swid, 0x00, 12, 3);
125 /* tx_hdr_control_tclass
126 * Indicates if the packet should use the control TClass and not one
127 * of the data TClasses.
129 MLXSW_ITEM32(tx, hdr, control_tclass, 0x00, 6, 1);
132 * Egress TClass to be used on the egress device on the egress port.
134 MLXSW_ITEM32(tx, hdr, etclass, 0x00, 0, 4);
137 * Destination local port for unicast packets.
138 * Destination multicast ID for multicast packets.
140 * Control packets are directed to a specific egress port, while data
141 * packets are transmitted through the CPU port (0) into the switch partition,
142 * where forwarding rules are applied.
144 MLXSW_ITEM32(tx, hdr, port_mid, 0x04, 16, 16);
147 * Forwarding ID used for L2 forwarding lookup. Valid only if 'fid_valid' is
148 * set, otherwise calculated based on the packet's VID using VID to FID mapping.
149 * Valid for data packets only.
151 MLXSW_ITEM32(tx, hdr, fid, 0x08, 0, 16);
155 * 6 - Control packets
157 MLXSW_ITEM32(tx, hdr, type, 0x0C, 0, 4);
159 struct mlxsw_sp_mlxfw_dev {
160 struct mlxfw_dev mlxfw_dev;
161 struct mlxsw_sp *mlxsw_sp;
164 struct mlxsw_sp_ptp_ops {
165 struct mlxsw_sp_ptp_clock *
166 (*clock_init)(struct mlxsw_sp *mlxsw_sp, struct device *dev);
167 void (*clock_fini)(struct mlxsw_sp_ptp_clock *clock);
169 struct mlxsw_sp_ptp_state *(*init)(struct mlxsw_sp *mlxsw_sp);
170 void (*fini)(struct mlxsw_sp_ptp_state *ptp_state);
172 /* Notify a driver that a packet that might be PTP was received. Driver
173 * is responsible for freeing the passed-in SKB.
175 void (*receive)(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
178 /* Notify a driver that a timestamped packet was transmitted. Driver
179 * is responsible for freeing the passed-in SKB.
181 void (*transmitted)(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
184 int (*hwtstamp_get)(struct mlxsw_sp_port *mlxsw_sp_port,
185 struct hwtstamp_config *config);
186 int (*hwtstamp_set)(struct mlxsw_sp_port *mlxsw_sp_port,
187 struct hwtstamp_config *config);
188 void (*shaper_work)(struct work_struct *work);
189 int (*get_ts_info)(struct mlxsw_sp *mlxsw_sp,
190 struct ethtool_ts_info *info);
191 int (*get_stats_count)(void);
192 void (*get_stats_strings)(u8 **p);
193 void (*get_stats)(struct mlxsw_sp_port *mlxsw_sp_port,
194 u64 *data, int data_index);
197 struct mlxsw_sp_span_ops {
198 u32 (*buffsize_get)(int mtu, u32 speed);
201 static int mlxsw_sp_component_query(struct mlxfw_dev *mlxfw_dev,
202 u16 component_index, u32 *p_max_size,
203 u8 *p_align_bits, u16 *p_max_write_size)
205 struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
206 container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
207 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
208 char mcqi_pl[MLXSW_REG_MCQI_LEN];
211 mlxsw_reg_mcqi_pack(mcqi_pl, component_index);
212 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcqi), mcqi_pl);
215 mlxsw_reg_mcqi_unpack(mcqi_pl, p_max_size, p_align_bits,
218 *p_align_bits = max_t(u8, *p_align_bits, 2);
219 *p_max_write_size = min_t(u16, *p_max_write_size,
220 MLXSW_REG_MCDA_MAX_DATA_LEN);
224 static int mlxsw_sp_fsm_lock(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle)
226 struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
227 container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
228 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
229 char mcc_pl[MLXSW_REG_MCC_LEN];
233 mlxsw_reg_mcc_pack(mcc_pl, 0, 0, 0, 0);
234 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
238 mlxsw_reg_mcc_unpack(mcc_pl, fwhandle, NULL, &control_state);
239 if (control_state != MLXFW_FSM_STATE_IDLE)
242 mlxsw_reg_mcc_pack(mcc_pl,
243 MLXSW_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE,
245 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
248 static int mlxsw_sp_fsm_component_update(struct mlxfw_dev *mlxfw_dev,
249 u32 fwhandle, u16 component_index,
252 struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
253 container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
254 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
255 char mcc_pl[MLXSW_REG_MCC_LEN];
257 mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_UPDATE_COMPONENT,
258 component_index, fwhandle, component_size);
259 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
262 static int mlxsw_sp_fsm_block_download(struct mlxfw_dev *mlxfw_dev,
263 u32 fwhandle, u8 *data, u16 size,
266 struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
267 container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
268 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
269 char mcda_pl[MLXSW_REG_MCDA_LEN];
271 mlxsw_reg_mcda_pack(mcda_pl, fwhandle, offset, size, data);
272 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcda), mcda_pl);
275 static int mlxsw_sp_fsm_component_verify(struct mlxfw_dev *mlxfw_dev,
276 u32 fwhandle, u16 component_index)
278 struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
279 container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
280 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
281 char mcc_pl[MLXSW_REG_MCC_LEN];
283 mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_VERIFY_COMPONENT,
284 component_index, fwhandle, 0);
285 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
288 static int mlxsw_sp_fsm_activate(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
290 struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
291 container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
292 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
293 char mcc_pl[MLXSW_REG_MCC_LEN];
295 mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_ACTIVATE, 0,
297 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
300 static int mlxsw_sp_fsm_query_state(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
301 enum mlxfw_fsm_state *fsm_state,
302 enum mlxfw_fsm_state_err *fsm_state_err)
304 struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
305 container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
306 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
307 char mcc_pl[MLXSW_REG_MCC_LEN];
312 mlxsw_reg_mcc_pack(mcc_pl, 0, 0, fwhandle, 0);
313 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
317 mlxsw_reg_mcc_unpack(mcc_pl, NULL, &error_code, &control_state);
318 *fsm_state = control_state;
319 *fsm_state_err = min_t(enum mlxfw_fsm_state_err, error_code,
320 MLXFW_FSM_STATE_ERR_MAX);
324 static void mlxsw_sp_fsm_cancel(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
326 struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
327 container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
328 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
329 char mcc_pl[MLXSW_REG_MCC_LEN];
331 mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_CANCEL, 0,
333 mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
336 static void mlxsw_sp_fsm_release(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
338 struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
339 container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
340 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
341 char mcc_pl[MLXSW_REG_MCC_LEN];
343 mlxsw_reg_mcc_pack(mcc_pl,
344 MLXSW_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE, 0,
346 mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
349 static const struct mlxfw_dev_ops mlxsw_sp_mlxfw_dev_ops = {
350 .component_query = mlxsw_sp_component_query,
351 .fsm_lock = mlxsw_sp_fsm_lock,
352 .fsm_component_update = mlxsw_sp_fsm_component_update,
353 .fsm_block_download = mlxsw_sp_fsm_block_download,
354 .fsm_component_verify = mlxsw_sp_fsm_component_verify,
355 .fsm_activate = mlxsw_sp_fsm_activate,
356 .fsm_query_state = mlxsw_sp_fsm_query_state,
357 .fsm_cancel = mlxsw_sp_fsm_cancel,
358 .fsm_release = mlxsw_sp_fsm_release,
361 static int mlxsw_sp_firmware_flash(struct mlxsw_sp *mlxsw_sp,
362 const struct firmware *firmware,
363 struct netlink_ext_ack *extack)
365 struct mlxsw_sp_mlxfw_dev mlxsw_sp_mlxfw_dev = {
367 .ops = &mlxsw_sp_mlxfw_dev_ops,
368 .psid = mlxsw_sp->bus_info->psid,
369 .psid_size = strlen(mlxsw_sp->bus_info->psid),
370 .devlink = priv_to_devlink(mlxsw_sp->core),
376 mlxsw_core_fw_flash_start(mlxsw_sp->core);
377 err = mlxfw_firmware_flash(&mlxsw_sp_mlxfw_dev.mlxfw_dev,
379 mlxsw_core_fw_flash_end(mlxsw_sp->core);
384 static int mlxsw_sp_fw_rev_validate(struct mlxsw_sp *mlxsw_sp)
386 const struct mlxsw_fw_rev *rev = &mlxsw_sp->bus_info->fw_rev;
387 const struct mlxsw_fw_rev *req_rev = mlxsw_sp->req_rev;
388 const char *fw_filename = mlxsw_sp->fw_filename;
389 union devlink_param_value value;
390 const struct firmware *firmware;
393 /* Don't check if driver does not require it */
394 if (!req_rev || !fw_filename)
397 /* Don't check if devlink 'fw_load_policy' param is 'flash' */
398 err = devlink_param_driverinit_value_get(priv_to_devlink(mlxsw_sp->core),
399 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
403 if (value.vu8 == DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH)
406 /* Validate driver & FW are compatible */
407 if (rev->major != req_rev->major) {
408 WARN(1, "Mismatch in major FW version [%d:%d] is never expected; Please contact support\n",
409 rev->major, req_rev->major);
412 if (mlxsw_core_fw_rev_minor_subminor_validate(rev, req_rev))
415 dev_err(mlxsw_sp->bus_info->dev, "The firmware version %d.%d.%d is incompatible with the driver (required >= %d.%d.%d)\n",
416 rev->major, rev->minor, rev->subminor, req_rev->major,
417 req_rev->minor, req_rev->subminor);
418 dev_info(mlxsw_sp->bus_info->dev, "Flashing firmware using file %s\n",
421 err = request_firmware_direct(&firmware, fw_filename,
422 mlxsw_sp->bus_info->dev);
424 dev_err(mlxsw_sp->bus_info->dev, "Could not request firmware file %s\n",
429 err = mlxsw_sp_firmware_flash(mlxsw_sp, firmware, NULL);
430 release_firmware(firmware);
432 dev_err(mlxsw_sp->bus_info->dev, "Could not upgrade firmware\n");
434 /* On FW flash success, tell the caller FW reset is needed
435 * if current FW supports it.
437 if (rev->minor >= req_rev->can_reset_minor)
438 return err ? err : -EAGAIN;
443 static int mlxsw_sp_flash_update(struct mlxsw_core *mlxsw_core,
444 const char *file_name, const char *component,
445 struct netlink_ext_ack *extack)
447 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
448 const struct firmware *firmware;
454 err = request_firmware_direct(&firmware, file_name,
455 mlxsw_sp->bus_info->dev);
458 err = mlxsw_sp_firmware_flash(mlxsw_sp, firmware, extack);
459 release_firmware(firmware);
464 int mlxsw_sp_flow_counter_get(struct mlxsw_sp *mlxsw_sp,
465 unsigned int counter_index, u64 *packets,
468 char mgpc_pl[MLXSW_REG_MGPC_LEN];
471 mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_NOP,
472 MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES);
473 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl);
477 *packets = mlxsw_reg_mgpc_packet_counter_get(mgpc_pl);
479 *bytes = mlxsw_reg_mgpc_byte_counter_get(mgpc_pl);
483 static int mlxsw_sp_flow_counter_clear(struct mlxsw_sp *mlxsw_sp,
484 unsigned int counter_index)
486 char mgpc_pl[MLXSW_REG_MGPC_LEN];
488 mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_CLEAR,
489 MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES);
490 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl);
493 int mlxsw_sp_flow_counter_alloc(struct mlxsw_sp *mlxsw_sp,
494 unsigned int *p_counter_index)
498 err = mlxsw_sp_counter_alloc(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW,
502 err = mlxsw_sp_flow_counter_clear(mlxsw_sp, *p_counter_index);
504 goto err_counter_clear;
508 mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW,
513 void mlxsw_sp_flow_counter_free(struct mlxsw_sp *mlxsw_sp,
514 unsigned int counter_index)
516 mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW,
520 static void mlxsw_sp_txhdr_construct(struct sk_buff *skb,
521 const struct mlxsw_tx_info *tx_info)
523 char *txhdr = skb_push(skb, MLXSW_TXHDR_LEN);
525 memset(txhdr, 0, MLXSW_TXHDR_LEN);
527 mlxsw_tx_hdr_version_set(txhdr, MLXSW_TXHDR_VERSION_1);
528 mlxsw_tx_hdr_ctl_set(txhdr, MLXSW_TXHDR_ETH_CTL);
529 mlxsw_tx_hdr_proto_set(txhdr, MLXSW_TXHDR_PROTO_ETH);
530 mlxsw_tx_hdr_swid_set(txhdr, 0);
531 mlxsw_tx_hdr_control_tclass_set(txhdr, 1);
532 mlxsw_tx_hdr_port_mid_set(txhdr, tx_info->local_port);
533 mlxsw_tx_hdr_type_set(txhdr, MLXSW_TXHDR_TYPE_CONTROL);
536 enum mlxsw_reg_spms_state mlxsw_sp_stp_spms_state(u8 state)
539 case BR_STATE_FORWARDING:
540 return MLXSW_REG_SPMS_STATE_FORWARDING;
541 case BR_STATE_LEARNING:
542 return MLXSW_REG_SPMS_STATE_LEARNING;
543 case BR_STATE_LISTENING: /* fall-through */
544 case BR_STATE_DISABLED: /* fall-through */
545 case BR_STATE_BLOCKING:
546 return MLXSW_REG_SPMS_STATE_DISCARDING;
552 int mlxsw_sp_port_vid_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid,
555 enum mlxsw_reg_spms_state spms_state = mlxsw_sp_stp_spms_state(state);
556 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
560 spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL);
563 mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port);
564 mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state);
566 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl);
571 static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp)
573 char spad_pl[MLXSW_REG_SPAD_LEN] = {0};
576 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(spad), spad_pl);
579 mlxsw_reg_spad_base_mac_memcpy_from(spad_pl, mlxsw_sp->base_mac);
583 static int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port,
586 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
587 char paos_pl[MLXSW_REG_PAOS_LEN];
589 mlxsw_reg_paos_pack(paos_pl, mlxsw_sp_port->local_port,
590 is_up ? MLXSW_PORT_ADMIN_STATUS_UP :
591 MLXSW_PORT_ADMIN_STATUS_DOWN);
592 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(paos), paos_pl);
595 static int mlxsw_sp_port_dev_addr_set(struct mlxsw_sp_port *mlxsw_sp_port,
598 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
599 char ppad_pl[MLXSW_REG_PPAD_LEN];
601 mlxsw_reg_ppad_pack(ppad_pl, true, mlxsw_sp_port->local_port);
602 mlxsw_reg_ppad_mac_memcpy_to(ppad_pl, addr);
603 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppad), ppad_pl);
606 static int mlxsw_sp_port_dev_addr_init(struct mlxsw_sp_port *mlxsw_sp_port)
608 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
609 unsigned char *addr = mlxsw_sp_port->dev->dev_addr;
611 ether_addr_copy(addr, mlxsw_sp->base_mac);
612 addr[ETH_ALEN - 1] += mlxsw_sp_port->local_port;
613 return mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr);
616 static int mlxsw_sp_port_mtu_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu)
618 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
619 char pmtu_pl[MLXSW_REG_PMTU_LEN];
623 mtu += MLXSW_TXHDR_LEN + ETH_HLEN;
624 mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, 0);
625 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl);
628 max_mtu = mlxsw_reg_pmtu_max_mtu_get(pmtu_pl);
633 mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, mtu);
634 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl);
637 static int mlxsw_sp_port_swid_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 swid)
639 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
640 char pspa_pl[MLXSW_REG_PSPA_LEN];
642 mlxsw_reg_pspa_pack(pspa_pl, swid, mlxsw_sp_port->local_port);
643 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pspa), pspa_pl);
646 int mlxsw_sp_port_vp_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable)
648 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
649 char svpe_pl[MLXSW_REG_SVPE_LEN];
651 mlxsw_reg_svpe_pack(svpe_pl, mlxsw_sp_port->local_port, enable);
652 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svpe), svpe_pl);
655 int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid,
658 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
662 spvmlr_pl = kmalloc(MLXSW_REG_SPVMLR_LEN, GFP_KERNEL);
665 mlxsw_reg_spvmlr_pack(spvmlr_pl, mlxsw_sp_port->local_port, vid, vid,
667 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvmlr), spvmlr_pl);
672 static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port,
675 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
676 char spvid_pl[MLXSW_REG_SPVID_LEN];
678 mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid);
679 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl);
682 static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port,
685 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
686 char spaft_pl[MLXSW_REG_SPAFT_LEN];
688 mlxsw_reg_spaft_pack(spaft_pl, mlxsw_sp_port->local_port, allow);
689 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl);
692 int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
697 err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, false);
701 err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid);
704 err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, true);
706 goto err_port_allow_untagged_set;
709 mlxsw_sp_port->pvid = vid;
712 err_port_allow_untagged_set:
713 __mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid);
718 mlxsw_sp_port_system_port_mapping_set(struct mlxsw_sp_port *mlxsw_sp_port)
720 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
721 char sspr_pl[MLXSW_REG_SSPR_LEN];
723 mlxsw_reg_sspr_pack(sspr_pl, mlxsw_sp_port->local_port);
724 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sspr), sspr_pl);
728 mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, u8 local_port,
729 struct mlxsw_sp_port_mapping *port_mapping)
731 char pmlp_pl[MLXSW_REG_PMLP_LEN];
738 mlxsw_reg_pmlp_pack(pmlp_pl, local_port);
739 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
742 module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0);
743 width = mlxsw_reg_pmlp_width_get(pmlp_pl);
744 separate_rxtx = mlxsw_reg_pmlp_rxtx_get(pmlp_pl);
746 if (width && !is_power_of_2(width)) {
747 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: width value is not power of 2\n",
752 for (i = 0; i < width; i++) {
753 if (mlxsw_reg_pmlp_module_get(pmlp_pl, i) != module) {
754 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: contains multiple modules\n",
759 mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) !=
760 mlxsw_reg_pmlp_rx_lane_get(pmlp_pl, i)) {
761 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are different\n",
765 if (mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) != i) {
766 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are not sequential\n",
772 port_mapping->module = module;
773 port_mapping->width = width;
774 port_mapping->lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0);
778 static int mlxsw_sp_port_module_map(struct mlxsw_sp_port *mlxsw_sp_port)
780 struct mlxsw_sp_port_mapping *port_mapping = &mlxsw_sp_port->mapping;
781 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
782 char pmlp_pl[MLXSW_REG_PMLP_LEN];
785 mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port);
786 mlxsw_reg_pmlp_width_set(pmlp_pl, port_mapping->width);
787 for (i = 0; i < port_mapping->width; i++) {
788 mlxsw_reg_pmlp_module_set(pmlp_pl, i, port_mapping->module);
789 mlxsw_reg_pmlp_tx_lane_set(pmlp_pl, i, port_mapping->lane + i); /* Rx & Tx */
792 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
795 static int mlxsw_sp_port_module_unmap(struct mlxsw_sp_port *mlxsw_sp_port)
797 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
798 char pmlp_pl[MLXSW_REG_PMLP_LEN];
800 mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port);
801 mlxsw_reg_pmlp_width_set(pmlp_pl, 0);
802 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
805 static int mlxsw_sp_port_open(struct net_device *dev)
807 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
810 err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
813 netif_start_queue(dev);
817 static int mlxsw_sp_port_stop(struct net_device *dev)
819 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
821 netif_stop_queue(dev);
822 return mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
825 static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb,
826 struct net_device *dev)
828 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
829 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
830 struct mlxsw_sp_port_pcpu_stats *pcpu_stats;
831 const struct mlxsw_tx_info tx_info = {
832 .local_port = mlxsw_sp_port->local_port,
838 if (skb_cow_head(skb, MLXSW_TXHDR_LEN)) {
839 this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped);
840 dev_kfree_skb_any(skb);
844 memset(skb->cb, 0, sizeof(struct mlxsw_skb_cb));
846 if (mlxsw_core_skb_transmit_busy(mlxsw_sp->core, &tx_info))
847 return NETDEV_TX_BUSY;
849 if (eth_skb_pad(skb)) {
850 this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped);
854 mlxsw_sp_txhdr_construct(skb, &tx_info);
855 /* TX header is consumed by HW on the way so we shouldn't count its
856 * bytes as being sent.
858 len = skb->len - MLXSW_TXHDR_LEN;
860 /* Due to a race we might fail here because of a full queue. In that
861 * unlikely case we simply drop the packet.
863 err = mlxsw_core_skb_transmit(mlxsw_sp->core, skb, &tx_info);
866 pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats);
867 u64_stats_update_begin(&pcpu_stats->syncp);
868 pcpu_stats->tx_packets++;
869 pcpu_stats->tx_bytes += len;
870 u64_stats_update_end(&pcpu_stats->syncp);
872 this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped);
873 dev_kfree_skb_any(skb);
878 static void mlxsw_sp_set_rx_mode(struct net_device *dev)
882 static int mlxsw_sp_port_set_mac_address(struct net_device *dev, void *p)
884 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
885 struct sockaddr *addr = p;
888 if (!is_valid_ether_addr(addr->sa_data))
889 return -EADDRNOTAVAIL;
891 err = mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr->sa_data);
894 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
898 static u16 mlxsw_sp_pg_buf_threshold_get(const struct mlxsw_sp *mlxsw_sp,
901 return 2 * mlxsw_sp_bytes_cells(mlxsw_sp, mtu);
904 #define MLXSW_SP_CELL_FACTOR 2 /* 2 * cell_size / (IPG + cell_size + 1) */
906 static u16 mlxsw_sp_pfc_delay_get(const struct mlxsw_sp *mlxsw_sp, int mtu,
909 delay = mlxsw_sp_bytes_cells(mlxsw_sp, DIV_ROUND_UP(delay,
911 return MLXSW_SP_CELL_FACTOR * delay + mlxsw_sp_bytes_cells(mlxsw_sp,
915 /* Maximum delay buffer needed in case of PAUSE frames, in bytes.
916 * Assumes 100m cable and maximum MTU.
918 #define MLXSW_SP_PAUSE_DELAY 58752
920 static u16 mlxsw_sp_pg_buf_delay_get(const struct mlxsw_sp *mlxsw_sp, int mtu,
921 u16 delay, bool pfc, bool pause)
924 return mlxsw_sp_pfc_delay_get(mlxsw_sp, mtu, delay);
926 return mlxsw_sp_bytes_cells(mlxsw_sp, MLXSW_SP_PAUSE_DELAY);
931 static void mlxsw_sp_pg_buf_pack(char *pbmc_pl, int index, u16 size, u16 thres,
935 mlxsw_reg_pbmc_lossy_buffer_pack(pbmc_pl, index, size);
937 mlxsw_reg_pbmc_lossless_buffer_pack(pbmc_pl, index, size,
941 int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu,
942 u8 *prio_tc, bool pause_en,
943 struct ieee_pfc *my_pfc)
945 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
946 u8 pfc_en = !!my_pfc ? my_pfc->pfc_en : 0;
947 u16 delay = !!my_pfc ? my_pfc->delay : 0;
948 char pbmc_pl[MLXSW_REG_PBMC_LEN];
949 u32 taken_headroom_cells = 0;
950 u32 max_headroom_cells;
953 max_headroom_cells = mlxsw_sp_sb_max_headroom_cells(mlxsw_sp);
955 mlxsw_reg_pbmc_pack(pbmc_pl, mlxsw_sp_port->local_port, 0, 0);
956 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl);
960 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
961 bool configure = false;
968 for (j = 0; j < IEEE_8021QAZ_MAX_TCS; j++) {
969 if (prio_tc[j] == i) {
970 pfc = pfc_en & BIT(j);
979 lossy = !(pfc || pause_en);
980 thres_cells = mlxsw_sp_pg_buf_threshold_get(mlxsw_sp, mtu);
981 delay_cells = mlxsw_sp_pg_buf_delay_get(mlxsw_sp, mtu, delay,
983 total_cells = thres_cells + delay_cells;
985 taken_headroom_cells += total_cells;
986 if (taken_headroom_cells > max_headroom_cells)
989 mlxsw_sp_pg_buf_pack(pbmc_pl, i, total_cells,
993 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl);
996 static int mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port,
997 int mtu, bool pause_en)
999 u8 def_prio_tc[IEEE_8021QAZ_MAX_TCS] = {0};
1000 bool dcb_en = !!mlxsw_sp_port->dcb.ets;
1001 struct ieee_pfc *my_pfc;
1004 prio_tc = dcb_en ? mlxsw_sp_port->dcb.ets->prio_tc : def_prio_tc;
1005 my_pfc = dcb_en ? mlxsw_sp_port->dcb.pfc : NULL;
1007 return __mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, prio_tc,
1011 static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu)
1013 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1014 bool pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port);
1017 err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, pause_en);
1020 err = mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, mtu);
1022 goto err_span_port_mtu_update;
1023 err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, mtu);
1025 goto err_port_mtu_set;
1030 mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, dev->mtu);
1031 err_span_port_mtu_update:
1032 mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en);
1037 mlxsw_sp_port_get_sw_stats64(const struct net_device *dev,
1038 struct rtnl_link_stats64 *stats)
1040 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1041 struct mlxsw_sp_port_pcpu_stats *p;
1042 u64 rx_packets, rx_bytes, tx_packets, tx_bytes;
1047 for_each_possible_cpu(i) {
1048 p = per_cpu_ptr(mlxsw_sp_port->pcpu_stats, i);
1050 start = u64_stats_fetch_begin_irq(&p->syncp);
1051 rx_packets = p->rx_packets;
1052 rx_bytes = p->rx_bytes;
1053 tx_packets = p->tx_packets;
1054 tx_bytes = p->tx_bytes;
1055 } while (u64_stats_fetch_retry_irq(&p->syncp, start));
1057 stats->rx_packets += rx_packets;
1058 stats->rx_bytes += rx_bytes;
1059 stats->tx_packets += tx_packets;
1060 stats->tx_bytes += tx_bytes;
1061 /* tx_dropped is u32, updated without syncp protection. */
1062 tx_dropped += p->tx_dropped;
1064 stats->tx_dropped = tx_dropped;
1068 static bool mlxsw_sp_port_has_offload_stats(const struct net_device *dev, int attr_id)
1071 case IFLA_OFFLOAD_XSTATS_CPU_HIT:
1078 static int mlxsw_sp_port_get_offload_stats(int attr_id, const struct net_device *dev,
1082 case IFLA_OFFLOAD_XSTATS_CPU_HIT:
1083 return mlxsw_sp_port_get_sw_stats64(dev, sp);
1089 static int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp,
1090 int prio, char *ppcnt_pl)
1092 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1093 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1095 mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sp_port->local_port, grp, prio);
1096 return mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ppcnt), ppcnt_pl);
1099 static int mlxsw_sp_port_get_hw_stats(struct net_device *dev,
1100 struct rtnl_link_stats64 *stats)
1102 char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
1105 err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT,
1111 mlxsw_reg_ppcnt_a_frames_transmitted_ok_get(ppcnt_pl);
1113 mlxsw_reg_ppcnt_a_frames_received_ok_get(ppcnt_pl);
1115 mlxsw_reg_ppcnt_a_octets_transmitted_ok_get(ppcnt_pl);
1117 mlxsw_reg_ppcnt_a_octets_received_ok_get(ppcnt_pl);
1119 mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get(ppcnt_pl);
1121 stats->rx_crc_errors =
1122 mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get(ppcnt_pl);
1123 stats->rx_frame_errors =
1124 mlxsw_reg_ppcnt_a_alignment_errors_get(ppcnt_pl);
1126 stats->rx_length_errors = (
1127 mlxsw_reg_ppcnt_a_in_range_length_errors_get(ppcnt_pl) +
1128 mlxsw_reg_ppcnt_a_out_of_range_length_field_get(ppcnt_pl) +
1129 mlxsw_reg_ppcnt_a_frame_too_long_errors_get(ppcnt_pl));
1131 stats->rx_errors = (stats->rx_crc_errors +
1132 stats->rx_frame_errors + stats->rx_length_errors);
1139 mlxsw_sp_port_get_hw_xstats(struct net_device *dev,
1140 struct mlxsw_sp_port_xstats *xstats)
1142 char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
1145 err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_EXT_CNT, 0,
1148 xstats->ecn = mlxsw_reg_ppcnt_ecn_marked_get(ppcnt_pl);
1150 for (i = 0; i < TC_MAX_QUEUE; i++) {
1151 err = mlxsw_sp_port_get_stats_raw(dev,
1152 MLXSW_REG_PPCNT_TC_CONG_TC,
1155 xstats->wred_drop[i] =
1156 mlxsw_reg_ppcnt_wred_discard_get(ppcnt_pl);
1158 err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_TC_CNT,
1163 xstats->backlog[i] =
1164 mlxsw_reg_ppcnt_tc_transmit_queue_get(ppcnt_pl);
1165 xstats->tail_drop[i] =
1166 mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get(ppcnt_pl);
1169 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
1170 err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_PRIO_CNT,
1175 xstats->tx_packets[i] = mlxsw_reg_ppcnt_tx_frames_get(ppcnt_pl);
1176 xstats->tx_bytes[i] = mlxsw_reg_ppcnt_tx_octets_get(ppcnt_pl);
1180 static void update_stats_cache(struct work_struct *work)
1182 struct mlxsw_sp_port *mlxsw_sp_port =
1183 container_of(work, struct mlxsw_sp_port,
1184 periodic_hw_stats.update_dw.work);
1186 if (!netif_carrier_ok(mlxsw_sp_port->dev))
1187 /* Note: mlxsw_sp_port_down_wipe_counters() clears the cache as
1188 * necessary when port goes down.
1192 mlxsw_sp_port_get_hw_stats(mlxsw_sp_port->dev,
1193 &mlxsw_sp_port->periodic_hw_stats.stats);
1194 mlxsw_sp_port_get_hw_xstats(mlxsw_sp_port->dev,
1195 &mlxsw_sp_port->periodic_hw_stats.xstats);
1198 mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw,
1199 MLXSW_HW_STATS_UPDATE_TIME);
1202 /* Return the stats from a cache that is updated periodically,
1203 * as this function might get called in an atomic context.
1206 mlxsw_sp_port_get_stats64(struct net_device *dev,
1207 struct rtnl_link_stats64 *stats)
1209 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1211 memcpy(stats, &mlxsw_sp_port->periodic_hw_stats.stats, sizeof(*stats));
1214 static int __mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port,
1215 u16 vid_begin, u16 vid_end,
1216 bool is_member, bool untagged)
1218 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1222 spvm_pl = kmalloc(MLXSW_REG_SPVM_LEN, GFP_KERNEL);
1226 mlxsw_reg_spvm_pack(spvm_pl, mlxsw_sp_port->local_port, vid_begin,
1227 vid_end, is_member, untagged);
1228 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvm), spvm_pl);
1233 int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin,
1234 u16 vid_end, bool is_member, bool untagged)
1239 for (vid = vid_begin; vid <= vid_end;
1240 vid += MLXSW_REG_SPVM_REC_MAX_COUNT) {
1241 vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1),
1244 err = __mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e,
1245 is_member, untagged);
1253 static void mlxsw_sp_port_vlan_flush(struct mlxsw_sp_port *mlxsw_sp_port,
1256 struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, *tmp;
1258 list_for_each_entry_safe(mlxsw_sp_port_vlan, tmp,
1259 &mlxsw_sp_port->vlans_list, list) {
1260 if (!flush_default &&
1261 mlxsw_sp_port_vlan->vid == MLXSW_SP_DEFAULT_VID)
1263 mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
1268 mlxsw_sp_port_vlan_cleanup(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan)
1270 if (mlxsw_sp_port_vlan->bridge_port)
1271 mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan);
1272 else if (mlxsw_sp_port_vlan->fid)
1273 mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan);
1276 struct mlxsw_sp_port_vlan *
1277 mlxsw_sp_port_vlan_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
1279 struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
1280 bool untagged = vid == MLXSW_SP_DEFAULT_VID;
1283 mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
1284 if (mlxsw_sp_port_vlan)
1285 return ERR_PTR(-EEXIST);
1287 err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true, untagged);
1289 return ERR_PTR(err);
1291 mlxsw_sp_port_vlan = kzalloc(sizeof(*mlxsw_sp_port_vlan), GFP_KERNEL);
1292 if (!mlxsw_sp_port_vlan) {
1294 goto err_port_vlan_alloc;
1297 mlxsw_sp_port_vlan->mlxsw_sp_port = mlxsw_sp_port;
1298 mlxsw_sp_port_vlan->vid = vid;
1299 list_add(&mlxsw_sp_port_vlan->list, &mlxsw_sp_port->vlans_list);
1301 return mlxsw_sp_port_vlan;
1303 err_port_vlan_alloc:
1304 mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false);
1305 return ERR_PTR(err);
1308 void mlxsw_sp_port_vlan_destroy(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan)
1310 struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port;
1311 u16 vid = mlxsw_sp_port_vlan->vid;
1313 mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port_vlan);
1314 list_del(&mlxsw_sp_port_vlan->list);
1315 kfree(mlxsw_sp_port_vlan);
1316 mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false);
1319 static int mlxsw_sp_port_add_vid(struct net_device *dev,
1320 __be16 __always_unused proto, u16 vid)
1322 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1324 /* VLAN 0 is added to HW filter when device goes up, but it is
1325 * reserved in our case, so simply return.
1330 return PTR_ERR_OR_ZERO(mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid));
1333 static int mlxsw_sp_port_kill_vid(struct net_device *dev,
1334 __be16 __always_unused proto, u16 vid)
1336 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1337 struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
1339 /* VLAN 0 is removed from HW filter when device goes down, but
1340 * it is reserved in our case, so simply return.
1345 mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
1346 if (!mlxsw_sp_port_vlan)
1348 mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
1353 static int mlxsw_sp_setup_tc(struct net_device *dev, enum tc_setup_type type,
1356 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1359 case TC_SETUP_BLOCK:
1360 return mlxsw_sp_setup_tc_block(mlxsw_sp_port, type_data);
1361 case TC_SETUP_QDISC_RED:
1362 return mlxsw_sp_setup_tc_red(mlxsw_sp_port, type_data);
1363 case TC_SETUP_QDISC_PRIO:
1364 return mlxsw_sp_setup_tc_prio(mlxsw_sp_port, type_data);
1365 case TC_SETUP_QDISC_ETS:
1366 return mlxsw_sp_setup_tc_ets(mlxsw_sp_port, type_data);
1367 case TC_SETUP_QDISC_TBF:
1368 return mlxsw_sp_setup_tc_tbf(mlxsw_sp_port, type_data);
1369 case TC_SETUP_QDISC_FIFO:
1370 return mlxsw_sp_setup_tc_fifo(mlxsw_sp_port, type_data);
1376 static int mlxsw_sp_feature_hw_tc(struct net_device *dev, bool enable)
1378 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1381 if (mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->ing_flow_block) ||
1382 mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->eg_flow_block)) {
1383 netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n");
1386 mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->ing_flow_block);
1387 mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->eg_flow_block);
1389 mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->ing_flow_block);
1390 mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->eg_flow_block);
1395 static int mlxsw_sp_feature_loopback(struct net_device *dev, bool enable)
1397 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1398 char pplr_pl[MLXSW_REG_PPLR_LEN];
1401 if (netif_running(dev))
1402 mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
1404 mlxsw_reg_pplr_pack(pplr_pl, mlxsw_sp_port->local_port, enable);
1405 err = mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pplr),
1408 if (netif_running(dev))
1409 mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
1414 typedef int (*mlxsw_sp_feature_handler)(struct net_device *dev, bool enable);
1416 static int mlxsw_sp_handle_feature(struct net_device *dev,
1417 netdev_features_t wanted_features,
1418 netdev_features_t feature,
1419 mlxsw_sp_feature_handler feature_handler)
1421 netdev_features_t changes = wanted_features ^ dev->features;
1422 bool enable = !!(wanted_features & feature);
1425 if (!(changes & feature))
1428 err = feature_handler(dev, enable);
1430 netdev_err(dev, "%s feature %pNF failed, err %d\n",
1431 enable ? "Enable" : "Disable", &feature, err);
1436 dev->features |= feature;
1438 dev->features &= ~feature;
1442 static int mlxsw_sp_set_features(struct net_device *dev,
1443 netdev_features_t features)
1445 netdev_features_t oper_features = dev->features;
1448 err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_HW_TC,
1449 mlxsw_sp_feature_hw_tc);
1450 err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_LOOPBACK,
1451 mlxsw_sp_feature_loopback);
1454 dev->features = oper_features;
1461 static struct devlink_port *
1462 mlxsw_sp_port_get_devlink_port(struct net_device *dev)
1464 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1465 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1467 return mlxsw_core_port_devlink_port_get(mlxsw_sp->core,
1468 mlxsw_sp_port->local_port);
1471 static int mlxsw_sp_port_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
1474 struct hwtstamp_config config;
1477 if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
1480 err = mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port,
1485 if (copy_to_user(ifr->ifr_data, &config, sizeof(config)))
1491 static int mlxsw_sp_port_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
1494 struct hwtstamp_config config;
1497 err = mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_get(mlxsw_sp_port,
1502 if (copy_to_user(ifr->ifr_data, &config, sizeof(config)))
1508 static inline void mlxsw_sp_port_ptp_clear(struct mlxsw_sp_port *mlxsw_sp_port)
1510 struct hwtstamp_config config = {0};
1512 mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port, &config);
1516 mlxsw_sp_port_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
1518 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1522 return mlxsw_sp_port_hwtstamp_set(mlxsw_sp_port, ifr);
1524 return mlxsw_sp_port_hwtstamp_get(mlxsw_sp_port, ifr);
1530 static const struct net_device_ops mlxsw_sp_port_netdev_ops = {
1531 .ndo_open = mlxsw_sp_port_open,
1532 .ndo_stop = mlxsw_sp_port_stop,
1533 .ndo_start_xmit = mlxsw_sp_port_xmit,
1534 .ndo_setup_tc = mlxsw_sp_setup_tc,
1535 .ndo_set_rx_mode = mlxsw_sp_set_rx_mode,
1536 .ndo_set_mac_address = mlxsw_sp_port_set_mac_address,
1537 .ndo_change_mtu = mlxsw_sp_port_change_mtu,
1538 .ndo_get_stats64 = mlxsw_sp_port_get_stats64,
1539 .ndo_has_offload_stats = mlxsw_sp_port_has_offload_stats,
1540 .ndo_get_offload_stats = mlxsw_sp_port_get_offload_stats,
1541 .ndo_vlan_rx_add_vid = mlxsw_sp_port_add_vid,
1542 .ndo_vlan_rx_kill_vid = mlxsw_sp_port_kill_vid,
1543 .ndo_set_features = mlxsw_sp_set_features,
1544 .ndo_get_devlink_port = mlxsw_sp_port_get_devlink_port,
1545 .ndo_do_ioctl = mlxsw_sp_port_ioctl,
1548 static void mlxsw_sp_port_get_drvinfo(struct net_device *dev,
1549 struct ethtool_drvinfo *drvinfo)
1551 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1552 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1554 strlcpy(drvinfo->driver, mlxsw_sp->bus_info->device_kind,
1555 sizeof(drvinfo->driver));
1556 strlcpy(drvinfo->version, mlxsw_sp_driver_version,
1557 sizeof(drvinfo->version));
1558 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
1560 mlxsw_sp->bus_info->fw_rev.major,
1561 mlxsw_sp->bus_info->fw_rev.minor,
1562 mlxsw_sp->bus_info->fw_rev.subminor);
1563 strlcpy(drvinfo->bus_info, mlxsw_sp->bus_info->device_name,
1564 sizeof(drvinfo->bus_info));
1567 static void mlxsw_sp_port_get_pauseparam(struct net_device *dev,
1568 struct ethtool_pauseparam *pause)
1570 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1572 pause->rx_pause = mlxsw_sp_port->link.rx_pause;
1573 pause->tx_pause = mlxsw_sp_port->link.tx_pause;
1576 static int mlxsw_sp_port_pause_set(struct mlxsw_sp_port *mlxsw_sp_port,
1577 struct ethtool_pauseparam *pause)
1579 char pfcc_pl[MLXSW_REG_PFCC_LEN];
1581 mlxsw_reg_pfcc_pack(pfcc_pl, mlxsw_sp_port->local_port);
1582 mlxsw_reg_pfcc_pprx_set(pfcc_pl, pause->rx_pause);
1583 mlxsw_reg_pfcc_pptx_set(pfcc_pl, pause->tx_pause);
1585 return mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pfcc),
1589 static int mlxsw_sp_port_set_pauseparam(struct net_device *dev,
1590 struct ethtool_pauseparam *pause)
1592 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1593 bool pause_en = pause->tx_pause || pause->rx_pause;
1596 if (mlxsw_sp_port->dcb.pfc && mlxsw_sp_port->dcb.pfc->pfc_en) {
1597 netdev_err(dev, "PFC already enabled on port\n");
1601 if (pause->autoneg) {
1602 netdev_err(dev, "PAUSE frames autonegotiation isn't supported\n");
1606 err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en);
1608 netdev_err(dev, "Failed to configure port's headroom\n");
1612 err = mlxsw_sp_port_pause_set(mlxsw_sp_port, pause);
1614 netdev_err(dev, "Failed to set PAUSE parameters\n");
1615 goto err_port_pause_configure;
1618 mlxsw_sp_port->link.rx_pause = pause->rx_pause;
1619 mlxsw_sp_port->link.tx_pause = pause->tx_pause;
1623 err_port_pause_configure:
1624 pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port);
1625 mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en);
1629 struct mlxsw_sp_port_hw_stats {
1630 char str[ETH_GSTRING_LEN];
1631 u64 (*getter)(const char *payload);
1635 static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_stats[] = {
1637 .str = "a_frames_transmitted_ok",
1638 .getter = mlxsw_reg_ppcnt_a_frames_transmitted_ok_get,
1641 .str = "a_frames_received_ok",
1642 .getter = mlxsw_reg_ppcnt_a_frames_received_ok_get,
1645 .str = "a_frame_check_sequence_errors",
1646 .getter = mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get,
1649 .str = "a_alignment_errors",
1650 .getter = mlxsw_reg_ppcnt_a_alignment_errors_get,
1653 .str = "a_octets_transmitted_ok",
1654 .getter = mlxsw_reg_ppcnt_a_octets_transmitted_ok_get,
1657 .str = "a_octets_received_ok",
1658 .getter = mlxsw_reg_ppcnt_a_octets_received_ok_get,
1661 .str = "a_multicast_frames_xmitted_ok",
1662 .getter = mlxsw_reg_ppcnt_a_multicast_frames_xmitted_ok_get,
1665 .str = "a_broadcast_frames_xmitted_ok",
1666 .getter = mlxsw_reg_ppcnt_a_broadcast_frames_xmitted_ok_get,
1669 .str = "a_multicast_frames_received_ok",
1670 .getter = mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get,
1673 .str = "a_broadcast_frames_received_ok",
1674 .getter = mlxsw_reg_ppcnt_a_broadcast_frames_received_ok_get,
1677 .str = "a_in_range_length_errors",
1678 .getter = mlxsw_reg_ppcnt_a_in_range_length_errors_get,
1681 .str = "a_out_of_range_length_field",
1682 .getter = mlxsw_reg_ppcnt_a_out_of_range_length_field_get,
1685 .str = "a_frame_too_long_errors",
1686 .getter = mlxsw_reg_ppcnt_a_frame_too_long_errors_get,
1689 .str = "a_symbol_error_during_carrier",
1690 .getter = mlxsw_reg_ppcnt_a_symbol_error_during_carrier_get,
1693 .str = "a_mac_control_frames_transmitted",
1694 .getter = mlxsw_reg_ppcnt_a_mac_control_frames_transmitted_get,
1697 .str = "a_mac_control_frames_received",
1698 .getter = mlxsw_reg_ppcnt_a_mac_control_frames_received_get,
1701 .str = "a_unsupported_opcodes_received",
1702 .getter = mlxsw_reg_ppcnt_a_unsupported_opcodes_received_get,
1705 .str = "a_pause_mac_ctrl_frames_received",
1706 .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_received_get,
1709 .str = "a_pause_mac_ctrl_frames_xmitted",
1710 .getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_transmitted_get,
1714 #define MLXSW_SP_PORT_HW_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_stats)
1716 static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2863_stats[] = {
1718 .str = "if_in_discards",
1719 .getter = mlxsw_reg_ppcnt_if_in_discards_get,
1722 .str = "if_out_discards",
1723 .getter = mlxsw_reg_ppcnt_if_out_discards_get,
1726 .str = "if_out_errors",
1727 .getter = mlxsw_reg_ppcnt_if_out_errors_get,
1731 #define MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN \
1732 ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2863_stats)
1734 static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2819_stats[] = {
1736 .str = "ether_stats_undersize_pkts",
1737 .getter = mlxsw_reg_ppcnt_ether_stats_undersize_pkts_get,
1740 .str = "ether_stats_oversize_pkts",
1741 .getter = mlxsw_reg_ppcnt_ether_stats_oversize_pkts_get,
1744 .str = "ether_stats_fragments",
1745 .getter = mlxsw_reg_ppcnt_ether_stats_fragments_get,
1748 .str = "ether_pkts64octets",
1749 .getter = mlxsw_reg_ppcnt_ether_stats_pkts64octets_get,
1752 .str = "ether_pkts65to127octets",
1753 .getter = mlxsw_reg_ppcnt_ether_stats_pkts65to127octets_get,
1756 .str = "ether_pkts128to255octets",
1757 .getter = mlxsw_reg_ppcnt_ether_stats_pkts128to255octets_get,
1760 .str = "ether_pkts256to511octets",
1761 .getter = mlxsw_reg_ppcnt_ether_stats_pkts256to511octets_get,
1764 .str = "ether_pkts512to1023octets",
1765 .getter = mlxsw_reg_ppcnt_ether_stats_pkts512to1023octets_get,
1768 .str = "ether_pkts1024to1518octets",
1769 .getter = mlxsw_reg_ppcnt_ether_stats_pkts1024to1518octets_get,
1772 .str = "ether_pkts1519to2047octets",
1773 .getter = mlxsw_reg_ppcnt_ether_stats_pkts1519to2047octets_get,
1776 .str = "ether_pkts2048to4095octets",
1777 .getter = mlxsw_reg_ppcnt_ether_stats_pkts2048to4095octets_get,
1780 .str = "ether_pkts4096to8191octets",
1781 .getter = mlxsw_reg_ppcnt_ether_stats_pkts4096to8191octets_get,
1784 .str = "ether_pkts8192to10239octets",
1785 .getter = mlxsw_reg_ppcnt_ether_stats_pkts8192to10239octets_get,
1789 #define MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN \
1790 ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2819_stats)
1792 static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_3635_stats[] = {
1794 .str = "dot3stats_fcs_errors",
1795 .getter = mlxsw_reg_ppcnt_dot3stats_fcs_errors_get,
1798 .str = "dot3stats_symbol_errors",
1799 .getter = mlxsw_reg_ppcnt_dot3stats_symbol_errors_get,
1802 .str = "dot3control_in_unknown_opcodes",
1803 .getter = mlxsw_reg_ppcnt_dot3control_in_unknown_opcodes_get,
1806 .str = "dot3in_pause_frames",
1807 .getter = mlxsw_reg_ppcnt_dot3in_pause_frames_get,
1811 #define MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN \
1812 ARRAY_SIZE(mlxsw_sp_port_hw_rfc_3635_stats)
1814 static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_ext_stats[] = {
1816 .str = "ecn_marked",
1817 .getter = mlxsw_reg_ppcnt_ecn_marked_get,
1821 #define MLXSW_SP_PORT_HW_EXT_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_ext_stats)
1823 static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_discard_stats[] = {
1825 .str = "discard_ingress_general",
1826 .getter = mlxsw_reg_ppcnt_ingress_general_get,
1829 .str = "discard_ingress_policy_engine",
1830 .getter = mlxsw_reg_ppcnt_ingress_policy_engine_get,
1833 .str = "discard_ingress_vlan_membership",
1834 .getter = mlxsw_reg_ppcnt_ingress_vlan_membership_get,
1837 .str = "discard_ingress_tag_frame_type",
1838 .getter = mlxsw_reg_ppcnt_ingress_tag_frame_type_get,
1841 .str = "discard_egress_vlan_membership",
1842 .getter = mlxsw_reg_ppcnt_egress_vlan_membership_get,
1845 .str = "discard_loopback_filter",
1846 .getter = mlxsw_reg_ppcnt_loopback_filter_get,
1849 .str = "discard_egress_general",
1850 .getter = mlxsw_reg_ppcnt_egress_general_get,
1853 .str = "discard_egress_hoq",
1854 .getter = mlxsw_reg_ppcnt_egress_hoq_get,
1857 .str = "discard_egress_policy_engine",
1858 .getter = mlxsw_reg_ppcnt_egress_policy_engine_get,
1861 .str = "discard_ingress_tx_link_down",
1862 .getter = mlxsw_reg_ppcnt_ingress_tx_link_down_get,
1865 .str = "discard_egress_stp_filter",
1866 .getter = mlxsw_reg_ppcnt_egress_stp_filter_get,
1869 .str = "discard_egress_sll",
1870 .getter = mlxsw_reg_ppcnt_egress_sll_get,
1874 #define MLXSW_SP_PORT_HW_DISCARD_STATS_LEN \
1875 ARRAY_SIZE(mlxsw_sp_port_hw_discard_stats)
1877 static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_prio_stats[] = {
1879 .str = "rx_octets_prio",
1880 .getter = mlxsw_reg_ppcnt_rx_octets_get,
1883 .str = "rx_frames_prio",
1884 .getter = mlxsw_reg_ppcnt_rx_frames_get,
1887 .str = "tx_octets_prio",
1888 .getter = mlxsw_reg_ppcnt_tx_octets_get,
1891 .str = "tx_frames_prio",
1892 .getter = mlxsw_reg_ppcnt_tx_frames_get,
1895 .str = "rx_pause_prio",
1896 .getter = mlxsw_reg_ppcnt_rx_pause_get,
1899 .str = "rx_pause_duration_prio",
1900 .getter = mlxsw_reg_ppcnt_rx_pause_duration_get,
1903 .str = "tx_pause_prio",
1904 .getter = mlxsw_reg_ppcnt_tx_pause_get,
1907 .str = "tx_pause_duration_prio",
1908 .getter = mlxsw_reg_ppcnt_tx_pause_duration_get,
1912 #define MLXSW_SP_PORT_HW_PRIO_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_prio_stats)
1914 static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_tc_stats[] = {
1916 .str = "tc_transmit_queue_tc",
1917 .getter = mlxsw_reg_ppcnt_tc_transmit_queue_get,
1918 .cells_bytes = true,
1921 .str = "tc_no_buffer_discard_uc_tc",
1922 .getter = mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get,
1926 #define MLXSW_SP_PORT_HW_TC_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_tc_stats)
1928 #define MLXSW_SP_PORT_ETHTOOL_STATS_LEN (MLXSW_SP_PORT_HW_STATS_LEN + \
1929 MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN + \
1930 MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN + \
1931 MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN + \
1932 MLXSW_SP_PORT_HW_EXT_STATS_LEN + \
1933 MLXSW_SP_PORT_HW_DISCARD_STATS_LEN + \
1934 (MLXSW_SP_PORT_HW_PRIO_STATS_LEN * \
1935 IEEE_8021QAZ_MAX_TCS) + \
1936 (MLXSW_SP_PORT_HW_TC_STATS_LEN * \
1939 static void mlxsw_sp_port_get_prio_strings(u8 **p, int prio)
1943 for (i = 0; i < MLXSW_SP_PORT_HW_PRIO_STATS_LEN; i++) {
1944 snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d",
1945 mlxsw_sp_port_hw_prio_stats[i].str, prio);
1946 *p += ETH_GSTRING_LEN;
1950 static void mlxsw_sp_port_get_tc_strings(u8 **p, int tc)
1954 for (i = 0; i < MLXSW_SP_PORT_HW_TC_STATS_LEN; i++) {
1955 snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d",
1956 mlxsw_sp_port_hw_tc_stats[i].str, tc);
1957 *p += ETH_GSTRING_LEN;
1961 static void mlxsw_sp_port_get_strings(struct net_device *dev,
1962 u32 stringset, u8 *data)
1964 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1968 switch (stringset) {
1970 for (i = 0; i < MLXSW_SP_PORT_HW_STATS_LEN; i++) {
1971 memcpy(p, mlxsw_sp_port_hw_stats[i].str,
1973 p += ETH_GSTRING_LEN;
1976 for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; i++) {
1977 memcpy(p, mlxsw_sp_port_hw_rfc_2863_stats[i].str,
1979 p += ETH_GSTRING_LEN;
1982 for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; i++) {
1983 memcpy(p, mlxsw_sp_port_hw_rfc_2819_stats[i].str,
1985 p += ETH_GSTRING_LEN;
1988 for (i = 0; i < MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; i++) {
1989 memcpy(p, mlxsw_sp_port_hw_rfc_3635_stats[i].str,
1991 p += ETH_GSTRING_LEN;
1994 for (i = 0; i < MLXSW_SP_PORT_HW_EXT_STATS_LEN; i++) {
1995 memcpy(p, mlxsw_sp_port_hw_ext_stats[i].str,
1997 p += ETH_GSTRING_LEN;
2000 for (i = 0; i < MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; i++) {
2001 memcpy(p, mlxsw_sp_port_hw_discard_stats[i].str,
2003 p += ETH_GSTRING_LEN;
2006 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
2007 mlxsw_sp_port_get_prio_strings(&p, i);
2009 for (i = 0; i < TC_MAX_QUEUE; i++)
2010 mlxsw_sp_port_get_tc_strings(&p, i);
2012 mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_strings(&p);
2017 static int mlxsw_sp_port_set_phys_id(struct net_device *dev,
2018 enum ethtool_phys_id_state state)
2020 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
2021 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
2022 char mlcr_pl[MLXSW_REG_MLCR_LEN];
2026 case ETHTOOL_ID_ACTIVE:
2029 case ETHTOOL_ID_INACTIVE:
2036 mlxsw_reg_mlcr_pack(mlcr_pl, mlxsw_sp_port->local_port, active);
2037 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mlcr), mlcr_pl);
2041 mlxsw_sp_get_hw_stats_by_group(struct mlxsw_sp_port_hw_stats **p_hw_stats,
2042 int *p_len, enum mlxsw_reg_ppcnt_grp grp)
2045 case MLXSW_REG_PPCNT_IEEE_8023_CNT:
2046 *p_hw_stats = mlxsw_sp_port_hw_stats;
2047 *p_len = MLXSW_SP_PORT_HW_STATS_LEN;
2049 case MLXSW_REG_PPCNT_RFC_2863_CNT:
2050 *p_hw_stats = mlxsw_sp_port_hw_rfc_2863_stats;
2051 *p_len = MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN;
2053 case MLXSW_REG_PPCNT_RFC_2819_CNT:
2054 *p_hw_stats = mlxsw_sp_port_hw_rfc_2819_stats;
2055 *p_len = MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN;
2057 case MLXSW_REG_PPCNT_RFC_3635_CNT:
2058 *p_hw_stats = mlxsw_sp_port_hw_rfc_3635_stats;
2059 *p_len = MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN;
2061 case MLXSW_REG_PPCNT_EXT_CNT:
2062 *p_hw_stats = mlxsw_sp_port_hw_ext_stats;
2063 *p_len = MLXSW_SP_PORT_HW_EXT_STATS_LEN;
2065 case MLXSW_REG_PPCNT_DISCARD_CNT:
2066 *p_hw_stats = mlxsw_sp_port_hw_discard_stats;
2067 *p_len = MLXSW_SP_PORT_HW_DISCARD_STATS_LEN;
2069 case MLXSW_REG_PPCNT_PRIO_CNT:
2070 *p_hw_stats = mlxsw_sp_port_hw_prio_stats;
2071 *p_len = MLXSW_SP_PORT_HW_PRIO_STATS_LEN;
2073 case MLXSW_REG_PPCNT_TC_CNT:
2074 *p_hw_stats = mlxsw_sp_port_hw_tc_stats;
2075 *p_len = MLXSW_SP_PORT_HW_TC_STATS_LEN;
2084 static void __mlxsw_sp_port_get_stats(struct net_device *dev,
2085 enum mlxsw_reg_ppcnt_grp grp, int prio,
2086 u64 *data, int data_index)
2088 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
2089 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
2090 struct mlxsw_sp_port_hw_stats *hw_stats;
2091 char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
2095 err = mlxsw_sp_get_hw_stats_by_group(&hw_stats, &len, grp);
2098 mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl);
2099 for (i = 0; i < len; i++) {
2100 data[data_index + i] = hw_stats[i].getter(ppcnt_pl);
2101 if (!hw_stats[i].cells_bytes)
2103 data[data_index + i] = mlxsw_sp_cells_bytes(mlxsw_sp,
2104 data[data_index + i]);
2108 static void mlxsw_sp_port_get_stats(struct net_device *dev,
2109 struct ethtool_stats *stats, u64 *data)
2111 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
2112 int i, data_index = 0;
2114 /* IEEE 802.3 Counters */
2115 __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, 0,
2117 data_index = MLXSW_SP_PORT_HW_STATS_LEN;
2119 /* RFC 2863 Counters */
2120 __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2863_CNT, 0,
2122 data_index += MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN;
2124 /* RFC 2819 Counters */
2125 __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2819_CNT, 0,
2127 data_index += MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN;
2129 /* RFC 3635 Counters */
2130 __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_3635_CNT, 0,
2132 data_index += MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN;
2134 /* Extended Counters */
2135 __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_EXT_CNT, 0,
2137 data_index += MLXSW_SP_PORT_HW_EXT_STATS_LEN;
2139 /* Discard Counters */
2140 __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_DISCARD_CNT, 0,
2142 data_index += MLXSW_SP_PORT_HW_DISCARD_STATS_LEN;
2144 /* Per-Priority Counters */
2145 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
2146 __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_PRIO_CNT, i,
2148 data_index += MLXSW_SP_PORT_HW_PRIO_STATS_LEN;
2151 /* Per-TC Counters */
2152 for (i = 0; i < TC_MAX_QUEUE; i++) {
2153 __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_TC_CNT, i,
2155 data_index += MLXSW_SP_PORT_HW_TC_STATS_LEN;
2159 mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats(mlxsw_sp_port,
2161 data_index += mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count();
2164 static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset)
2166 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
2170 return MLXSW_SP_PORT_ETHTOOL_STATS_LEN +
2171 mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count();
2177 struct mlxsw_sp1_port_link_mode {
2178 enum ethtool_link_mode_bit_indices mask_ethtool;
2183 static const struct mlxsw_sp1_port_link_mode mlxsw_sp1_port_link_mode[] = {
2185 .mask = MLXSW_REG_PTYS_ETH_SPEED_100BASE_T,
2186 .mask_ethtool = ETHTOOL_LINK_MODE_100baseT_Full_BIT,
2190 .mask = MLXSW_REG_PTYS_ETH_SPEED_SGMII |
2191 MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX,
2192 .mask_ethtool = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
2193 .speed = SPEED_1000,
2196 .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T,
2197 .mask_ethtool = ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
2198 .speed = SPEED_10000,
2201 .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 |
2202 MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4,
2203 .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
2204 .speed = SPEED_10000,
2207 .mask = MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR |
2208 MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR |
2209 MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR |
2210 MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR,
2211 .mask_ethtool = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
2212 .speed = SPEED_10000,
2215 .mask = MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2,
2216 .mask_ethtool = ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
2217 .speed = SPEED_20000,
2220 .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4,
2221 .mask_ethtool = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
2222 .speed = SPEED_40000,
2225 .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4,
2226 .mask_ethtool = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
2227 .speed = SPEED_40000,
2230 .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4,
2231 .mask_ethtool = ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
2232 .speed = SPEED_40000,
2235 .mask = MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4,
2236 .mask_ethtool = ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
2237 .speed = SPEED_40000,
2240 .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR,
2241 .mask_ethtool = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
2242 .speed = SPEED_25000,
2245 .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR,
2246 .mask_ethtool = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
2247 .speed = SPEED_25000,
2250 .mask = MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR,
2251 .mask_ethtool = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
2252 .speed = SPEED_25000,
2255 .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2,
2256 .mask_ethtool = ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
2257 .speed = SPEED_50000,
2260 .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2,
2261 .mask_ethtool = ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
2262 .speed = SPEED_50000,
2265 .mask = MLXSW_REG_PTYS_ETH_SPEED_50GBASE_SR2,
2266 .mask_ethtool = ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
2267 .speed = SPEED_50000,
2270 .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4,
2271 .mask_ethtool = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
2272 .speed = SPEED_100000,
2275 .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4,
2276 .mask_ethtool = ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
2277 .speed = SPEED_100000,
2280 .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4,
2281 .mask_ethtool = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
2282 .speed = SPEED_100000,
2285 .mask = MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4,
2286 .mask_ethtool = ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
2287 .speed = SPEED_100000,
2291 #define MLXSW_SP1_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp1_port_link_mode)
2294 mlxsw_sp1_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp,
2296 struct ethtool_link_ksettings *cmd)
2298 if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR |
2299 MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR |
2300 MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 |
2301 MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 |
2302 MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 |
2303 MLXSW_REG_PTYS_ETH_SPEED_SGMII))
2304 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
2306 if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR |
2307 MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 |
2308 MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 |
2309 MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 |
2310 MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX))
2311 ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane);
2315 mlxsw_sp1_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto,
2316 u8 width, unsigned long *mode)
2320 for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
2321 if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask)
2322 __set_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool,
2328 mlxsw_sp1_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto)
2332 for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
2333 if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask)
2334 return mlxsw_sp1_port_link_mode[i].speed;
2337 return SPEED_UNKNOWN;
2341 mlxsw_sp1_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, bool carrier_ok,
2343 struct ethtool_link_ksettings *cmd)
2345 cmd->base.speed = SPEED_UNKNOWN;
2346 cmd->base.duplex = DUPLEX_UNKNOWN;
2351 cmd->base.speed = mlxsw_sp1_from_ptys_speed(mlxsw_sp, ptys_eth_proto);
2352 if (cmd->base.speed != SPEED_UNKNOWN)
2353 cmd->base.duplex = DUPLEX_FULL;
2357 mlxsw_sp1_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width,
2358 const struct ethtool_link_ksettings *cmd)
2363 for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
2364 if (test_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool,
2365 cmd->link_modes.advertising))
2366 ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
2371 static u32 mlxsw_sp1_to_ptys_speed(struct mlxsw_sp *mlxsw_sp, u8 width,
2377 for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
2378 if (speed == mlxsw_sp1_port_link_mode[i].speed)
2379 ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
2385 mlxsw_sp1_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload,
2386 u8 local_port, u32 proto_admin, bool autoneg)
2388 mlxsw_reg_ptys_eth_pack(payload, local_port, proto_admin, autoneg);
2392 mlxsw_sp1_reg_ptys_eth_unpack(struct mlxsw_sp *mlxsw_sp, char *payload,
2393 u32 *p_eth_proto_cap, u32 *p_eth_proto_admin,
2394 u32 *p_eth_proto_oper)
2396 mlxsw_reg_ptys_eth_unpack(payload, p_eth_proto_cap, p_eth_proto_admin,
2400 static const struct mlxsw_sp_port_type_speed_ops
2401 mlxsw_sp1_port_type_speed_ops = {
2402 .from_ptys_supported_port = mlxsw_sp1_from_ptys_supported_port,
2403 .from_ptys_link = mlxsw_sp1_from_ptys_link,
2404 .from_ptys_speed = mlxsw_sp1_from_ptys_speed,
2405 .from_ptys_speed_duplex = mlxsw_sp1_from_ptys_speed_duplex,
2406 .to_ptys_advert_link = mlxsw_sp1_to_ptys_advert_link,
2407 .to_ptys_speed = mlxsw_sp1_to_ptys_speed,
2408 .reg_ptys_eth_pack = mlxsw_sp1_reg_ptys_eth_pack,
2409 .reg_ptys_eth_unpack = mlxsw_sp1_reg_ptys_eth_unpack,
2412 static const enum ethtool_link_mode_bit_indices
2413 mlxsw_sp2_mask_ethtool_sgmii_100m[] = {
2414 ETHTOOL_LINK_MODE_100baseT_Full_BIT,
2417 #define MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN \
2418 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_sgmii_100m)
2420 static const enum ethtool_link_mode_bit_indices
2421 mlxsw_sp2_mask_ethtool_1000base_x_sgmii[] = {
2422 ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
2423 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
2426 #define MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN \
2427 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_1000base_x_sgmii)
2429 static const enum ethtool_link_mode_bit_indices
2430 mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii[] = {
2431 ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
2434 #define MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN \
2435 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii)
2437 static const enum ethtool_link_mode_bit_indices
2438 mlxsw_sp2_mask_ethtool_5gbase_r[] = {
2439 ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
2442 #define MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN \
2443 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_5gbase_r)
2445 static const enum ethtool_link_mode_bit_indices
2446 mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g[] = {
2447 ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
2448 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
2449 ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
2450 ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
2451 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
2452 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
2453 ETHTOOL_LINK_MODE_10000baseER_Full_BIT,
2456 #define MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN \
2457 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g)
2459 static const enum ethtool_link_mode_bit_indices
2460 mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g[] = {
2461 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
2462 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
2463 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
2464 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
2467 #define MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN \
2468 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g)
2470 static const enum ethtool_link_mode_bit_indices
2471 mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr[] = {
2472 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
2473 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
2474 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
2477 #define MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN \
2478 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr)
2480 static const enum ethtool_link_mode_bit_indices
2481 mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2[] = {
2482 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
2483 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
2484 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
2487 #define MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN \
2488 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2)
2490 static const enum ethtool_link_mode_bit_indices
2491 mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr[] = {
2492 ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
2493 ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
2494 ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
2495 ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
2496 ETHTOOL_LINK_MODE_50000baseDR_Full_BIT,
2499 #define MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN \
2500 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr)
2502 static const enum ethtool_link_mode_bit_indices
2503 mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4[] = {
2504 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
2505 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
2506 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
2507 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
2510 #define MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN \
2511 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4)
2513 static const enum ethtool_link_mode_bit_indices
2514 mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2[] = {
2515 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
2516 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
2517 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
2518 ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
2519 ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT,
2522 #define MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN \
2523 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2)
2525 static const enum ethtool_link_mode_bit_indices
2526 mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4[] = {
2527 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
2528 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
2529 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
2530 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
2531 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,
2534 #define MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN \
2535 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4)
2537 static const enum ethtool_link_mode_bit_indices
2538 mlxsw_sp2_mask_ethtool_400gaui_8[] = {
2539 ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT,
2540 ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT,
2541 ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT,
2542 ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT,
2543 ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT,
2546 #define MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN \
2547 ARRAY_SIZE(mlxsw_sp2_mask_ethtool_400gaui_8)
2549 #define MLXSW_SP_PORT_MASK_WIDTH_1X BIT(0)
2550 #define MLXSW_SP_PORT_MASK_WIDTH_2X BIT(1)
2551 #define MLXSW_SP_PORT_MASK_WIDTH_4X BIT(2)
2552 #define MLXSW_SP_PORT_MASK_WIDTH_8X BIT(3)
2554 static u8 mlxsw_sp_port_mask_width_get(u8 width)
2558 return MLXSW_SP_PORT_MASK_WIDTH_1X;
2560 return MLXSW_SP_PORT_MASK_WIDTH_2X;
2562 return MLXSW_SP_PORT_MASK_WIDTH_4X;
2564 return MLXSW_SP_PORT_MASK_WIDTH_8X;
2571 struct mlxsw_sp2_port_link_mode {
2572 const enum ethtool_link_mode_bit_indices *mask_ethtool;
2579 static const struct mlxsw_sp2_port_link_mode mlxsw_sp2_port_link_mode[] = {
2581 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_SGMII_100M,
2582 .mask_ethtool = mlxsw_sp2_mask_ethtool_sgmii_100m,
2583 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN,
2584 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
2585 MLXSW_SP_PORT_MASK_WIDTH_2X |
2586 MLXSW_SP_PORT_MASK_WIDTH_4X |
2587 MLXSW_SP_PORT_MASK_WIDTH_8X,
2591 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_1000BASE_X_SGMII,
2592 .mask_ethtool = mlxsw_sp2_mask_ethtool_1000base_x_sgmii,
2593 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN,
2594 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
2595 MLXSW_SP_PORT_MASK_WIDTH_2X |
2596 MLXSW_SP_PORT_MASK_WIDTH_4X |
2597 MLXSW_SP_PORT_MASK_WIDTH_8X,
2598 .speed = SPEED_1000,
2601 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_2_5GBASE_X_2_5GMII,
2602 .mask_ethtool = mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii,
2603 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN,
2604 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
2605 MLXSW_SP_PORT_MASK_WIDTH_2X |
2606 MLXSW_SP_PORT_MASK_WIDTH_4X |
2607 MLXSW_SP_PORT_MASK_WIDTH_8X,
2608 .speed = SPEED_2500,
2611 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_5GBASE_R,
2612 .mask_ethtool = mlxsw_sp2_mask_ethtool_5gbase_r,
2613 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN,
2614 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
2615 MLXSW_SP_PORT_MASK_WIDTH_2X |
2616 MLXSW_SP_PORT_MASK_WIDTH_4X |
2617 MLXSW_SP_PORT_MASK_WIDTH_8X,
2618 .speed = SPEED_5000,
2621 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_XFI_XAUI_1_10G,
2622 .mask_ethtool = mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g,
2623 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN,
2624 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
2625 MLXSW_SP_PORT_MASK_WIDTH_2X |
2626 MLXSW_SP_PORT_MASK_WIDTH_4X |
2627 MLXSW_SP_PORT_MASK_WIDTH_8X,
2628 .speed = SPEED_10000,
2631 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_XLAUI_4_XLPPI_4_40G,
2632 .mask_ethtool = mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g,
2633 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN,
2634 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X |
2635 MLXSW_SP_PORT_MASK_WIDTH_8X,
2636 .speed = SPEED_40000,
2639 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_25GAUI_1_25GBASE_CR_KR,
2640 .mask_ethtool = mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr,
2641 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN,
2642 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X |
2643 MLXSW_SP_PORT_MASK_WIDTH_2X |
2644 MLXSW_SP_PORT_MASK_WIDTH_4X |
2645 MLXSW_SP_PORT_MASK_WIDTH_8X,
2646 .speed = SPEED_25000,
2649 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_2_LAUI_2_50GBASE_CR2_KR2,
2650 .mask_ethtool = mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2,
2651 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN,
2652 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_2X |
2653 MLXSW_SP_PORT_MASK_WIDTH_4X |
2654 MLXSW_SP_PORT_MASK_WIDTH_8X,
2655 .speed = SPEED_50000,
2658 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_1_LAUI_1_50GBASE_CR_KR,
2659 .mask_ethtool = mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr,
2660 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN,
2661 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_1X,
2662 .speed = SPEED_50000,
2665 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_CAUI_4_100GBASE_CR4_KR4,
2666 .mask_ethtool = mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4,
2667 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN,
2668 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X |
2669 MLXSW_SP_PORT_MASK_WIDTH_8X,
2670 .speed = SPEED_100000,
2673 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_100GAUI_2_100GBASE_CR2_KR2,
2674 .mask_ethtool = mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2,
2675 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN,
2676 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_2X,
2677 .speed = SPEED_100000,
2680 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_200GAUI_4_200GBASE_CR4_KR4,
2681 .mask_ethtool = mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4,
2682 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN,
2683 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_4X |
2684 MLXSW_SP_PORT_MASK_WIDTH_8X,
2685 .speed = SPEED_200000,
2688 .mask = MLXSW_REG_PTYS_EXT_ETH_SPEED_400GAUI_8,
2689 .mask_ethtool = mlxsw_sp2_mask_ethtool_400gaui_8,
2690 .m_ethtool_len = MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN,
2691 .mask_width = MLXSW_SP_PORT_MASK_WIDTH_8X,
2692 .speed = SPEED_400000,
2696 #define MLXSW_SP2_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp2_port_link_mode)
2699 mlxsw_sp2_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp,
2701 struct ethtool_link_ksettings *cmd)
2703 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
2704 ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane);
2708 mlxsw_sp2_set_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode,
2709 unsigned long *mode)
2713 for (i = 0; i < link_mode->m_ethtool_len; i++)
2714 __set_bit(link_mode->mask_ethtool[i], mode);
2718 mlxsw_sp2_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto,
2719 u8 width, unsigned long *mode)
2721 u8 mask_width = mlxsw_sp_port_mask_width_get(width);
2724 for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
2725 if ((ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask) &&
2726 (mask_width & mlxsw_sp2_port_link_mode[i].mask_width))
2727 mlxsw_sp2_set_bit_ethtool(&mlxsw_sp2_port_link_mode[i],
2733 mlxsw_sp2_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto)
2737 for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
2738 if (ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask)
2739 return mlxsw_sp2_port_link_mode[i].speed;
2742 return SPEED_UNKNOWN;
2746 mlxsw_sp2_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, bool carrier_ok,
2748 struct ethtool_link_ksettings *cmd)
2750 cmd->base.speed = SPEED_UNKNOWN;
2751 cmd->base.duplex = DUPLEX_UNKNOWN;
2756 cmd->base.speed = mlxsw_sp2_from_ptys_speed(mlxsw_sp, ptys_eth_proto);
2757 if (cmd->base.speed != SPEED_UNKNOWN)
2758 cmd->base.duplex = DUPLEX_FULL;
2762 mlxsw_sp2_test_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode,
2763 const unsigned long *mode)
2768 for (i = 0; i < link_mode->m_ethtool_len; i++) {
2769 if (test_bit(link_mode->mask_ethtool[i], mode))
2773 return cnt == link_mode->m_ethtool_len;
2777 mlxsw_sp2_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width,
2778 const struct ethtool_link_ksettings *cmd)
2780 u8 mask_width = mlxsw_sp_port_mask_width_get(width);
2784 for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
2785 if ((mask_width & mlxsw_sp2_port_link_mode[i].mask_width) &&
2786 mlxsw_sp2_test_bit_ethtool(&mlxsw_sp2_port_link_mode[i],
2787 cmd->link_modes.advertising))
2788 ptys_proto |= mlxsw_sp2_port_link_mode[i].mask;
2793 static u32 mlxsw_sp2_to_ptys_speed(struct mlxsw_sp *mlxsw_sp,
2794 u8 width, u32 speed)
2796 u8 mask_width = mlxsw_sp_port_mask_width_get(width);
2800 for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
2801 if ((speed == mlxsw_sp2_port_link_mode[i].speed) &&
2802 (mask_width & mlxsw_sp2_port_link_mode[i].mask_width))
2803 ptys_proto |= mlxsw_sp2_port_link_mode[i].mask;
2809 mlxsw_sp2_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload,
2810 u8 local_port, u32 proto_admin,
2813 mlxsw_reg_ptys_ext_eth_pack(payload, local_port, proto_admin, autoneg);
2817 mlxsw_sp2_reg_ptys_eth_unpack(struct mlxsw_sp *mlxsw_sp, char *payload,
2818 u32 *p_eth_proto_cap, u32 *p_eth_proto_admin,
2819 u32 *p_eth_proto_oper)
2821 mlxsw_reg_ptys_ext_eth_unpack(payload, p_eth_proto_cap,
2822 p_eth_proto_admin, p_eth_proto_oper);
2825 static const struct mlxsw_sp_port_type_speed_ops
2826 mlxsw_sp2_port_type_speed_ops = {
2827 .from_ptys_supported_port = mlxsw_sp2_from_ptys_supported_port,
2828 .from_ptys_link = mlxsw_sp2_from_ptys_link,
2829 .from_ptys_speed = mlxsw_sp2_from_ptys_speed,
2830 .from_ptys_speed_duplex = mlxsw_sp2_from_ptys_speed_duplex,
2831 .to_ptys_advert_link = mlxsw_sp2_to_ptys_advert_link,
2832 .to_ptys_speed = mlxsw_sp2_to_ptys_speed,
2833 .reg_ptys_eth_pack = mlxsw_sp2_reg_ptys_eth_pack,
2834 .reg_ptys_eth_unpack = mlxsw_sp2_reg_ptys_eth_unpack,
2838 mlxsw_sp_port_get_link_supported(struct mlxsw_sp *mlxsw_sp, u32 eth_proto_cap,
2839 u8 width, struct ethtool_link_ksettings *cmd)
2841 const struct mlxsw_sp_port_type_speed_ops *ops;
2843 ops = mlxsw_sp->port_type_speed_ops;
2845 ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause);
2846 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
2847 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
2849 ops->from_ptys_supported_port(mlxsw_sp, eth_proto_cap, cmd);
2850 ops->from_ptys_link(mlxsw_sp, eth_proto_cap, width,
2851 cmd->link_modes.supported);
2855 mlxsw_sp_port_get_link_advertise(struct mlxsw_sp *mlxsw_sp,
2856 u32 eth_proto_admin, bool autoneg, u8 width,
2857 struct ethtool_link_ksettings *cmd)
2859 const struct mlxsw_sp_port_type_speed_ops *ops;
2861 ops = mlxsw_sp->port_type_speed_ops;
2866 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
2867 ops->from_ptys_link(mlxsw_sp, eth_proto_admin, width,
2868 cmd->link_modes.advertising);
2872 mlxsw_sp_port_connector_port(enum mlxsw_reg_ptys_connector_type connector_type)
2874 switch (connector_type) {
2875 case MLXSW_REG_PTYS_CONNECTOR_TYPE_UNKNOWN_OR_NO_CONNECTOR:
2877 case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_NONE:
2879 case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_TP:
2881 case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_AUI:
2883 case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_BNC:
2885 case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_MII:
2887 case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_FIBRE:
2889 case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_DA:
2891 case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_OTHER:
2899 static int mlxsw_sp_port_get_link_ksettings(struct net_device *dev,
2900 struct ethtool_link_ksettings *cmd)
2902 u32 eth_proto_cap, eth_proto_admin, eth_proto_oper;
2903 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
2904 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
2905 const struct mlxsw_sp_port_type_speed_ops *ops;
2906 char ptys_pl[MLXSW_REG_PTYS_LEN];
2911 ops = mlxsw_sp->port_type_speed_ops;
2913 autoneg = mlxsw_sp_port->link.autoneg;
2914 ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
2916 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
2919 ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, ð_proto_cap,
2920 ð_proto_admin, ð_proto_oper);
2922 mlxsw_sp_port_get_link_supported(mlxsw_sp, eth_proto_cap,
2923 mlxsw_sp_port->mapping.width, cmd);
2925 mlxsw_sp_port_get_link_advertise(mlxsw_sp, eth_proto_admin, autoneg,
2926 mlxsw_sp_port->mapping.width, cmd);
2928 cmd->base.autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE;
2929 connector_type = mlxsw_reg_ptys_connector_type_get(ptys_pl);
2930 cmd->base.port = mlxsw_sp_port_connector_port(connector_type);
2931 ops->from_ptys_speed_duplex(mlxsw_sp, netif_carrier_ok(dev),
2932 eth_proto_oper, cmd);
2938 mlxsw_sp_port_set_link_ksettings(struct net_device *dev,
2939 const struct ethtool_link_ksettings *cmd)
2941 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
2942 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
2943 const struct mlxsw_sp_port_type_speed_ops *ops;
2944 char ptys_pl[MLXSW_REG_PTYS_LEN];
2945 u32 eth_proto_cap, eth_proto_new;
2949 ops = mlxsw_sp->port_type_speed_ops;
2951 ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
2953 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
2956 ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, ð_proto_cap, NULL, NULL);
2958 autoneg = cmd->base.autoneg == AUTONEG_ENABLE;
2959 eth_proto_new = autoneg ?
2960 ops->to_ptys_advert_link(mlxsw_sp, mlxsw_sp_port->mapping.width,
2962 ops->to_ptys_speed(mlxsw_sp, mlxsw_sp_port->mapping.width,
2965 eth_proto_new = eth_proto_new & eth_proto_cap;
2966 if (!eth_proto_new) {
2967 netdev_err(dev, "No supported speed requested\n");
2971 ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
2972 eth_proto_new, autoneg);
2973 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
2977 mlxsw_sp_port->link.autoneg = autoneg;
2979 if (!netif_running(dev))
2982 mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
2983 mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
2988 static int mlxsw_sp_get_module_info(struct net_device *netdev,
2989 struct ethtool_modinfo *modinfo)
2991 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev);
2992 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
2995 err = mlxsw_env_get_module_info(mlxsw_sp->core,
2996 mlxsw_sp_port->mapping.module,
3002 static int mlxsw_sp_get_module_eeprom(struct net_device *netdev,
3003 struct ethtool_eeprom *ee,
3006 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev);
3007 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3010 err = mlxsw_env_get_module_eeprom(netdev, mlxsw_sp->core,
3011 mlxsw_sp_port->mapping.module, ee,
3018 mlxsw_sp_get_ts_info(struct net_device *netdev, struct ethtool_ts_info *info)
3020 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev);
3021 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3023 return mlxsw_sp->ptp_ops->get_ts_info(mlxsw_sp, info);
3026 static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = {
3027 .get_drvinfo = mlxsw_sp_port_get_drvinfo,
3028 .get_link = ethtool_op_get_link,
3029 .get_pauseparam = mlxsw_sp_port_get_pauseparam,
3030 .set_pauseparam = mlxsw_sp_port_set_pauseparam,
3031 .get_strings = mlxsw_sp_port_get_strings,
3032 .set_phys_id = mlxsw_sp_port_set_phys_id,
3033 .get_ethtool_stats = mlxsw_sp_port_get_stats,
3034 .get_sset_count = mlxsw_sp_port_get_sset_count,
3035 .get_link_ksettings = mlxsw_sp_port_get_link_ksettings,
3036 .set_link_ksettings = mlxsw_sp_port_set_link_ksettings,
3037 .get_module_info = mlxsw_sp_get_module_info,
3038 .get_module_eeprom = mlxsw_sp_get_module_eeprom,
3039 .get_ts_info = mlxsw_sp_get_ts_info,
3043 mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port)
3045 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3046 u32 eth_proto_cap, eth_proto_admin, eth_proto_oper;
3047 const struct mlxsw_sp_port_type_speed_ops *ops;
3048 char ptys_pl[MLXSW_REG_PTYS_LEN];
3051 ops = mlxsw_sp->port_type_speed_ops;
3053 /* Set advertised speeds to supported speeds. */
3054 ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
3056 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
3060 ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, ð_proto_cap,
3061 ð_proto_admin, ð_proto_oper);
3062 ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
3063 eth_proto_cap, mlxsw_sp_port->link.autoneg);
3064 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
3067 int mlxsw_sp_port_speed_get(struct mlxsw_sp_port *mlxsw_sp_port, u32 *speed)
3069 const struct mlxsw_sp_port_type_speed_ops *port_type_speed_ops;
3070 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3071 char ptys_pl[MLXSW_REG_PTYS_LEN];
3075 port_type_speed_ops = mlxsw_sp->port_type_speed_ops;
3076 port_type_speed_ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl,
3077 mlxsw_sp_port->local_port, 0,
3079 err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
3082 port_type_speed_ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, NULL, NULL,
3084 *speed = port_type_speed_ops->from_ptys_speed(mlxsw_sp, eth_proto_oper);
3088 int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port,
3089 enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index,
3090 bool dwrr, u8 dwrr_weight)
3092 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3093 char qeec_pl[MLXSW_REG_QEEC_LEN];
3095 mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
3097 mlxsw_reg_qeec_de_set(qeec_pl, true);
3098 mlxsw_reg_qeec_dwrr_set(qeec_pl, dwrr);
3099 mlxsw_reg_qeec_dwrr_weight_set(qeec_pl, dwrr_weight);
3100 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
3103 int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port,
3104 enum mlxsw_reg_qeec_hr hr, u8 index,
3105 u8 next_index, u32 maxrate, u8 burst_size)
3107 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3108 char qeec_pl[MLXSW_REG_QEEC_LEN];
3110 mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
3112 mlxsw_reg_qeec_mase_set(qeec_pl, true);
3113 mlxsw_reg_qeec_max_shaper_rate_set(qeec_pl, maxrate);
3114 mlxsw_reg_qeec_max_shaper_bs_set(qeec_pl, burst_size);
3115 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
3118 static int mlxsw_sp_port_min_bw_set(struct mlxsw_sp_port *mlxsw_sp_port,
3119 enum mlxsw_reg_qeec_hr hr, u8 index,
3120 u8 next_index, u32 minrate)
3122 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3123 char qeec_pl[MLXSW_REG_QEEC_LEN];
3125 mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
3127 mlxsw_reg_qeec_mise_set(qeec_pl, true);
3128 mlxsw_reg_qeec_min_shaper_rate_set(qeec_pl, minrate);
3130 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
3133 int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port,
3134 u8 switch_prio, u8 tclass)
3136 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3137 char qtct_pl[MLXSW_REG_QTCT_LEN];
3139 mlxsw_reg_qtct_pack(qtct_pl, mlxsw_sp_port->local_port, switch_prio,
3141 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtct), qtct_pl);
3144 static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port)
3148 /* Setup the elements hierarcy, so that each TC is linked to
3149 * one subgroup, which are all member in the same group.
3151 err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
3152 MLXSW_REG_QEEC_HR_GROUP, 0, 0, false, 0);
3155 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
3156 err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
3157 MLXSW_REG_QEEC_HR_SUBGROUP, i,
3162 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
3163 err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
3164 MLXSW_REG_QEEC_HR_TC, i, i,
3169 err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
3170 MLXSW_REG_QEEC_HR_TC,
3177 /* Make sure the max shaper is disabled in all hierarchies that support
3178 * it. Note that this disables ptps (PTP shaper), but that is intended
3179 * for the initial configuration.
3181 err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3182 MLXSW_REG_QEEC_HR_PORT, 0, 0,
3183 MLXSW_REG_QEEC_MAS_DIS, 0);
3186 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
3187 err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3188 MLXSW_REG_QEEC_HR_SUBGROUP,
3190 MLXSW_REG_QEEC_MAS_DIS, 0);
3194 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
3195 err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3196 MLXSW_REG_QEEC_HR_TC,
3198 MLXSW_REG_QEEC_MAS_DIS, 0);
3202 err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3203 MLXSW_REG_QEEC_HR_TC,
3205 MLXSW_REG_QEEC_MAS_DIS, 0);
3210 /* Configure the min shaper for multicast TCs. */
3211 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
3212 err = mlxsw_sp_port_min_bw_set(mlxsw_sp_port,
3213 MLXSW_REG_QEEC_HR_TC,
3215 MLXSW_REG_QEEC_MIS_MIN);
3220 /* Map all priorities to traffic class 0. */
3221 for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
3222 err = mlxsw_sp_port_prio_tc_set(mlxsw_sp_port, i, 0);
3230 static int mlxsw_sp_port_tc_mc_mode_set(struct mlxsw_sp_port *mlxsw_sp_port,
3233 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3234 char qtctm_pl[MLXSW_REG_QTCTM_LEN];
3236 mlxsw_reg_qtctm_pack(qtctm_pl, mlxsw_sp_port->local_port, enable);
3237 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtctm), qtctm_pl);
3240 static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
3241 u8 split_base_local_port,
3242 struct mlxsw_sp_port_mapping *port_mapping)
3244 struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
3245 bool split = !!split_base_local_port;
3246 struct mlxsw_sp_port *mlxsw_sp_port;
3247 struct net_device *dev;
3250 err = mlxsw_core_port_init(mlxsw_sp->core, local_port,
3251 port_mapping->module + 1, split,
3252 port_mapping->lane / port_mapping->width,
3254 sizeof(mlxsw_sp->base_mac));
3256 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to init core port\n",
3261 dev = alloc_etherdev(sizeof(struct mlxsw_sp_port));
3264 goto err_alloc_etherdev;
3266 SET_NETDEV_DEV(dev, mlxsw_sp->bus_info->dev);
3267 dev_net_set(dev, mlxsw_sp_net(mlxsw_sp));
3268 mlxsw_sp_port = netdev_priv(dev);
3269 mlxsw_sp_port->dev = dev;
3270 mlxsw_sp_port->mlxsw_sp = mlxsw_sp;
3271 mlxsw_sp_port->local_port = local_port;
3272 mlxsw_sp_port->pvid = MLXSW_SP_DEFAULT_VID;
3273 mlxsw_sp_port->split = split;
3274 mlxsw_sp_port->split_base_local_port = split_base_local_port;
3275 mlxsw_sp_port->mapping = *port_mapping;
3276 mlxsw_sp_port->link.autoneg = 1;
3277 INIT_LIST_HEAD(&mlxsw_sp_port->vlans_list);
3279 mlxsw_sp_port->pcpu_stats =
3280 netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats);
3281 if (!mlxsw_sp_port->pcpu_stats) {
3283 goto err_alloc_stats;
3286 INIT_DELAYED_WORK(&mlxsw_sp_port->periodic_hw_stats.update_dw,
3287 &update_stats_cache);
3289 dev->netdev_ops = &mlxsw_sp_port_netdev_ops;
3290 dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops;
3292 err = mlxsw_sp_port_module_map(mlxsw_sp_port);
3294 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to map module\n",
3295 mlxsw_sp_port->local_port);
3296 goto err_port_module_map;
3299 err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0);
3301 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n",
3302 mlxsw_sp_port->local_port);
3303 goto err_port_swid_set;
3306 err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port);
3308 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n",
3309 mlxsw_sp_port->local_port);
3310 goto err_dev_addr_init;
3313 netif_carrier_off(dev);
3315 dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_LLTX | NETIF_F_SG |
3316 NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_TC;
3317 dev->hw_features |= NETIF_F_HW_TC | NETIF_F_LOOPBACK;
3320 dev->max_mtu = ETH_MAX_MTU;
3322 /* Each packet needs to have a Tx header (metadata) on top all other
3325 dev->needed_headroom = MLXSW_TXHDR_LEN;
3327 err = mlxsw_sp_port_system_port_mapping_set(mlxsw_sp_port);
3329 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set system port mapping\n",
3330 mlxsw_sp_port->local_port);
3331 goto err_port_system_port_mapping_set;
3334 err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port);
3336 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n",
3337 mlxsw_sp_port->local_port);
3338 goto err_port_speed_by_width_set;
3341 err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, ETH_DATA_LEN);
3343 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set MTU\n",
3344 mlxsw_sp_port->local_port);
3345 goto err_port_mtu_set;
3348 err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
3350 goto err_port_admin_status_set;
3352 err = mlxsw_sp_port_buffers_init(mlxsw_sp_port);
3354 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize buffers\n",
3355 mlxsw_sp_port->local_port);
3356 goto err_port_buffers_init;
3359 err = mlxsw_sp_port_ets_init(mlxsw_sp_port);
3361 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize ETS\n",
3362 mlxsw_sp_port->local_port);
3363 goto err_port_ets_init;
3366 err = mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, true);
3368 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC MC mode\n",
3369 mlxsw_sp_port->local_port);
3370 goto err_port_tc_mc_mode;
3373 /* ETS and buffers must be initialized before DCB. */
3374 err = mlxsw_sp_port_dcb_init(mlxsw_sp_port);
3376 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize DCB\n",
3377 mlxsw_sp_port->local_port);
3378 goto err_port_dcb_init;
3381 err = mlxsw_sp_port_fids_init(mlxsw_sp_port);
3383 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize FIDs\n",
3384 mlxsw_sp_port->local_port);
3385 goto err_port_fids_init;
3388 err = mlxsw_sp_tc_qdisc_init(mlxsw_sp_port);
3390 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC qdiscs\n",
3391 mlxsw_sp_port->local_port);
3392 goto err_port_qdiscs_init;
3395 err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 0, VLAN_N_VID - 1, false,
3398 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to clear VLAN filter\n",
3399 mlxsw_sp_port->local_port);
3400 goto err_port_vlan_clear;
3403 err = mlxsw_sp_port_nve_init(mlxsw_sp_port);
3405 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize NVE\n",
3406 mlxsw_sp_port->local_port);
3407 goto err_port_nve_init;
3410 err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID);
3412 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set PVID\n",
3413 mlxsw_sp_port->local_port);
3414 goto err_port_pvid_set;
3417 mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_create(mlxsw_sp_port,
3418 MLXSW_SP_DEFAULT_VID);
3419 if (IS_ERR(mlxsw_sp_port_vlan)) {
3420 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create VID 1\n",
3421 mlxsw_sp_port->local_port);
3422 err = PTR_ERR(mlxsw_sp_port_vlan);
3423 goto err_port_vlan_create;
3425 mlxsw_sp_port->default_vlan = mlxsw_sp_port_vlan;
3427 INIT_DELAYED_WORK(&mlxsw_sp_port->ptp.shaper_dw,
3428 mlxsw_sp->ptp_ops->shaper_work);
3429 INIT_DELAYED_WORK(&mlxsw_sp_port->span.speed_update_dw,
3430 mlxsw_sp_span_speed_update_work);
3432 mlxsw_sp->ports[local_port] = mlxsw_sp_port;
3433 err = register_netdev(dev);
3435 dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register netdev\n",
3436 mlxsw_sp_port->local_port);
3437 goto err_register_netdev;
3440 mlxsw_core_port_eth_set(mlxsw_sp->core, mlxsw_sp_port->local_port,
3441 mlxsw_sp_port, dev);
3442 mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, 0);
3445 err_register_netdev:
3446 mlxsw_sp->ports[local_port] = NULL;
3447 mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
3448 err_port_vlan_create:
3450 mlxsw_sp_port_nve_fini(mlxsw_sp_port);
3452 err_port_vlan_clear:
3453 mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port);
3454 err_port_qdiscs_init:
3455 mlxsw_sp_port_fids_fini(mlxsw_sp_port);
3457 mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
3459 mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
3460 err_port_tc_mc_mode:
3462 err_port_buffers_init:
3463 err_port_admin_status_set:
3465 err_port_speed_by_width_set:
3466 err_port_system_port_mapping_set:
3468 mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
3470 mlxsw_sp_port_module_unmap(mlxsw_sp_port);
3471 err_port_module_map:
3472 free_percpu(mlxsw_sp_port->pcpu_stats);
3476 mlxsw_core_port_fini(mlxsw_sp->core, local_port);
3480 static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
3482 struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
3484 cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw);
3485 cancel_delayed_work_sync(&mlxsw_sp_port->span.speed_update_dw);
3486 cancel_delayed_work_sync(&mlxsw_sp_port->ptp.shaper_dw);
3487 mlxsw_sp_port_ptp_clear(mlxsw_sp_port);
3488 mlxsw_core_port_clear(mlxsw_sp->core, local_port, mlxsw_sp);
3489 unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */
3490 mlxsw_sp->ports[local_port] = NULL;
3491 mlxsw_sp_port_vlan_flush(mlxsw_sp_port, true);
3492 mlxsw_sp_port_nve_fini(mlxsw_sp_port);
3493 mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port);
3494 mlxsw_sp_port_fids_fini(mlxsw_sp_port);
3495 mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
3496 mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
3497 mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
3498 mlxsw_sp_port_module_unmap(mlxsw_sp_port);
3499 free_percpu(mlxsw_sp_port->pcpu_stats);
3500 WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vlans_list));
3501 free_netdev(mlxsw_sp_port->dev);
3502 mlxsw_core_port_fini(mlxsw_sp->core, local_port);
3505 static int mlxsw_sp_cpu_port_create(struct mlxsw_sp *mlxsw_sp)
3507 struct mlxsw_sp_port *mlxsw_sp_port;
3510 mlxsw_sp_port = kzalloc(sizeof(*mlxsw_sp_port), GFP_KERNEL);
3514 mlxsw_sp_port->mlxsw_sp = mlxsw_sp;
3515 mlxsw_sp_port->local_port = MLXSW_PORT_CPU_PORT;
3517 err = mlxsw_core_cpu_port_init(mlxsw_sp->core,
3520 sizeof(mlxsw_sp->base_mac));
3522 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize core CPU port\n");
3523 goto err_core_cpu_port_init;
3526 mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = mlxsw_sp_port;
3529 err_core_cpu_port_init:
3530 kfree(mlxsw_sp_port);
3534 static void mlxsw_sp_cpu_port_remove(struct mlxsw_sp *mlxsw_sp)
3536 struct mlxsw_sp_port *mlxsw_sp_port =
3537 mlxsw_sp->ports[MLXSW_PORT_CPU_PORT];
3539 mlxsw_core_cpu_port_fini(mlxsw_sp->core);
3540 mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = NULL;
3541 kfree(mlxsw_sp_port);
3544 static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u8 local_port)
3546 return mlxsw_sp->ports[local_port] != NULL;
3549 static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp)
3553 for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++)
3554 if (mlxsw_sp_port_created(mlxsw_sp, i))
3555 mlxsw_sp_port_remove(mlxsw_sp, i);
3556 mlxsw_sp_cpu_port_remove(mlxsw_sp);
3557 kfree(mlxsw_sp->ports);
3558 mlxsw_sp->ports = NULL;
3561 static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp)
3563 unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
3564 struct mlxsw_sp_port_mapping *port_mapping;
3569 alloc_size = sizeof(struct mlxsw_sp_port *) * max_ports;
3570 mlxsw_sp->ports = kzalloc(alloc_size, GFP_KERNEL);
3571 if (!mlxsw_sp->ports)
3574 err = mlxsw_sp_cpu_port_create(mlxsw_sp);
3576 goto err_cpu_port_create;
3578 for (i = 1; i < max_ports; i++) {
3579 port_mapping = mlxsw_sp->port_mapping[i];
3582 err = mlxsw_sp_port_create(mlxsw_sp, i, 0, port_mapping);
3584 goto err_port_create;
3589 for (i--; i >= 1; i--)
3590 if (mlxsw_sp_port_created(mlxsw_sp, i))
3591 mlxsw_sp_port_remove(mlxsw_sp, i);
3592 mlxsw_sp_cpu_port_remove(mlxsw_sp);
3593 err_cpu_port_create:
3594 kfree(mlxsw_sp->ports);
3595 mlxsw_sp->ports = NULL;
3599 static int mlxsw_sp_port_module_info_init(struct mlxsw_sp *mlxsw_sp)
3601 unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
3602 struct mlxsw_sp_port_mapping port_mapping;
3606 mlxsw_sp->port_mapping = kcalloc(max_ports,
3607 sizeof(struct mlxsw_sp_port_mapping *),
3609 if (!mlxsw_sp->port_mapping)
3612 for (i = 1; i < max_ports; i++) {
3613 err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, &port_mapping);
3615 goto err_port_module_info_get;
3616 if (!port_mapping.width)
3619 mlxsw_sp->port_mapping[i] = kmemdup(&port_mapping,
3620 sizeof(port_mapping),
3622 if (!mlxsw_sp->port_mapping[i]) {
3624 goto err_port_module_info_dup;
3629 err_port_module_info_get:
3630 err_port_module_info_dup:
3631 for (i--; i >= 1; i--)
3632 kfree(mlxsw_sp->port_mapping[i]);
3633 kfree(mlxsw_sp->port_mapping);
3637 static void mlxsw_sp_port_module_info_fini(struct mlxsw_sp *mlxsw_sp)
3641 for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++)
3642 kfree(mlxsw_sp->port_mapping[i]);
3643 kfree(mlxsw_sp->port_mapping);
3646 static u8 mlxsw_sp_cluster_base_port_get(u8 local_port, unsigned int max_width)
3648 u8 offset = (local_port - 1) % max_width;
3650 return local_port - offset;
3654 mlxsw_sp_port_split_create(struct mlxsw_sp *mlxsw_sp, u8 base_port,
3655 struct mlxsw_sp_port_mapping *port_mapping,
3656 unsigned int count, u8 offset)
3658 struct mlxsw_sp_port_mapping split_port_mapping;
3661 split_port_mapping = *port_mapping;
3662 split_port_mapping.width /= count;
3663 for (i = 0; i < count; i++) {
3664 err = mlxsw_sp_port_create(mlxsw_sp, base_port + i * offset,
3665 base_port, &split_port_mapping);
3667 goto err_port_create;
3668 split_port_mapping.lane += split_port_mapping.width;
3674 for (i--; i >= 0; i--)
3675 if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
3676 mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
3680 static void mlxsw_sp_port_unsplit_create(struct mlxsw_sp *mlxsw_sp,
3682 unsigned int count, u8 offset)
3684 struct mlxsw_sp_port_mapping *port_mapping;
3687 /* Go over original unsplit ports in the gap and recreate them. */
3688 for (i = 0; i < count * offset; i++) {
3689 port_mapping = mlxsw_sp->port_mapping[base_port + i];
3692 mlxsw_sp_port_create(mlxsw_sp, base_port + i, 0, port_mapping);
3696 static int mlxsw_sp_local_ports_offset(struct mlxsw_core *mlxsw_core,
3698 unsigned int max_width)
3700 enum mlxsw_res_id local_ports_in_x_res_id;
3701 int split_width = max_width / count;
3703 if (split_width == 1)
3704 local_ports_in_x_res_id = MLXSW_RES_ID_LOCAL_PORTS_IN_1X;
3705 else if (split_width == 2)
3706 local_ports_in_x_res_id = MLXSW_RES_ID_LOCAL_PORTS_IN_2X;
3707 else if (split_width == 4)
3708 local_ports_in_x_res_id = MLXSW_RES_ID_LOCAL_PORTS_IN_4X;
3712 if (!mlxsw_core_res_valid(mlxsw_core, local_ports_in_x_res_id))
3714 return mlxsw_core_res_get(mlxsw_core, local_ports_in_x_res_id);
3717 static struct mlxsw_sp_port *
3718 mlxsw_sp_port_get_by_local_port(struct mlxsw_sp *mlxsw_sp, u8 local_port)
3720 if (mlxsw_sp->ports && mlxsw_sp->ports[local_port])
3721 return mlxsw_sp->ports[local_port];
3725 static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port,
3727 struct netlink_ext_ack *extack)
3729 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
3730 struct mlxsw_sp_port_mapping port_mapping;
3731 struct mlxsw_sp_port *mlxsw_sp_port;
3738 mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port);
3739 if (!mlxsw_sp_port) {
3740 dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
3742 NL_SET_ERR_MSG_MOD(extack, "Port number does not exist");
3746 /* Split ports cannot be split. */
3747 if (mlxsw_sp_port->split) {
3748 netdev_err(mlxsw_sp_port->dev, "Port cannot be split further\n");
3749 NL_SET_ERR_MSG_MOD(extack, "Port cannot be split further");
3753 max_width = mlxsw_core_module_max_width(mlxsw_core,
3754 mlxsw_sp_port->mapping.module);
3755 if (max_width < 0) {
3756 netdev_err(mlxsw_sp_port->dev, "Cannot get max width of port module\n");
3757 NL_SET_ERR_MSG_MOD(extack, "Cannot get max width of port module");
3761 /* Split port with non-max and 1 module width cannot be split. */
3762 if (mlxsw_sp_port->mapping.width != max_width || max_width == 1) {
3763 netdev_err(mlxsw_sp_port->dev, "Port cannot be split\n");
3764 NL_SET_ERR_MSG_MOD(extack, "Port cannot be split");
3768 if (count == 1 || !is_power_of_2(count) || count > max_width) {
3769 netdev_err(mlxsw_sp_port->dev, "Invalid split count\n");
3770 NL_SET_ERR_MSG_MOD(extack, "Invalid split count");
3774 offset = mlxsw_sp_local_ports_offset(mlxsw_core, count, max_width);
3776 netdev_err(mlxsw_sp_port->dev, "Cannot obtain local port offset\n");
3777 NL_SET_ERR_MSG_MOD(extack, "Cannot obtain local port offset");
3781 /* Only in case max split is being done, the local port and
3782 * base port may differ.
3784 base_port = count == max_width ?
3785 mlxsw_sp_cluster_base_port_get(local_port, max_width) :
3788 for (i = 0; i < count * offset; i++) {
3789 /* Expect base port to exist and also the one in the middle in
3790 * case of maximal split count.
3792 if (i == 0 || (count == max_width && i == count / 2))
3795 if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) {
3796 netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n");
3797 NL_SET_ERR_MSG_MOD(extack, "Invalid split configuration");
3802 port_mapping = mlxsw_sp_port->mapping;
3804 for (i = 0; i < count; i++)
3805 if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
3806 mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
3808 err = mlxsw_sp_port_split_create(mlxsw_sp, base_port, &port_mapping,
3811 dev_err(mlxsw_sp->bus_info->dev, "Failed to create split ports\n");
3812 goto err_port_split_create;
3817 err_port_split_create:
3818 mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count, offset);
3822 static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u8 local_port,
3823 struct netlink_ext_ack *extack)
3825 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
3826 struct mlxsw_sp_port *mlxsw_sp_port;
3833 mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port);
3834 if (!mlxsw_sp_port) {
3835 dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
3837 NL_SET_ERR_MSG_MOD(extack, "Port number does not exist");
3841 if (!mlxsw_sp_port->split) {
3842 netdev_err(mlxsw_sp_port->dev, "Port was not split\n");
3843 NL_SET_ERR_MSG_MOD(extack, "Port was not split");
3847 max_width = mlxsw_core_module_max_width(mlxsw_core,
3848 mlxsw_sp_port->mapping.module);
3849 if (max_width < 0) {
3850 netdev_err(mlxsw_sp_port->dev, "Cannot get max width of port module\n");
3851 NL_SET_ERR_MSG_MOD(extack, "Cannot get max width of port module");
3855 count = max_width / mlxsw_sp_port->mapping.width;
3857 offset = mlxsw_sp_local_ports_offset(mlxsw_core, count, max_width);
3858 if (WARN_ON(offset < 0)) {
3859 netdev_err(mlxsw_sp_port->dev, "Cannot obtain local port offset\n");
3860 NL_SET_ERR_MSG_MOD(extack, "Cannot obtain local port offset");
3864 base_port = mlxsw_sp_port->split_base_local_port;
3866 for (i = 0; i < count; i++)
3867 if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
3868 mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
3870 mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count, offset);
3876 mlxsw_sp_port_down_wipe_counters(struct mlxsw_sp_port *mlxsw_sp_port)
3880 for (i = 0; i < TC_MAX_QUEUE; i++)
3881 mlxsw_sp_port->periodic_hw_stats.xstats.backlog[i] = 0;
3884 static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg,
3885 char *pude_pl, void *priv)
3887 struct mlxsw_sp *mlxsw_sp = priv;
3888 struct mlxsw_sp_port *mlxsw_sp_port;
3889 enum mlxsw_reg_pude_oper_status status;
3892 local_port = mlxsw_reg_pude_local_port_get(pude_pl);
3893 mlxsw_sp_port = mlxsw_sp->ports[local_port];
3897 status = mlxsw_reg_pude_oper_status_get(pude_pl);
3898 if (status == MLXSW_PORT_OPER_STATUS_UP) {
3899 netdev_info(mlxsw_sp_port->dev, "link up\n");
3900 netif_carrier_on(mlxsw_sp_port->dev);
3901 mlxsw_core_schedule_dw(&mlxsw_sp_port->ptp.shaper_dw, 0);
3902 mlxsw_core_schedule_dw(&mlxsw_sp_port->span.speed_update_dw, 0);
3904 netdev_info(mlxsw_sp_port->dev, "link down\n");
3905 netif_carrier_off(mlxsw_sp_port->dev);
3906 mlxsw_sp_port_down_wipe_counters(mlxsw_sp_port);
3910 static void mlxsw_sp1_ptp_fifo_event_func(struct mlxsw_sp *mlxsw_sp,
3911 char *mtpptr_pl, bool ingress)
3917 local_port = mlxsw_reg_mtpptr_local_port_get(mtpptr_pl);
3918 num_rec = mlxsw_reg_mtpptr_num_rec_get(mtpptr_pl);
3919 for (i = 0; i < num_rec; i++) {
3925 mlxsw_reg_mtpptr_unpack(mtpptr_pl, i, &message_type,
3926 &domain_number, &sequence_id,
3928 mlxsw_sp1_ptp_got_timestamp(mlxsw_sp, ingress, local_port,
3929 message_type, domain_number,
3930 sequence_id, timestamp);
3934 static void mlxsw_sp1_ptp_ing_fifo_event_func(const struct mlxsw_reg_info *reg,
3935 char *mtpptr_pl, void *priv)
3937 struct mlxsw_sp *mlxsw_sp = priv;
3939 mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, true);
3942 static void mlxsw_sp1_ptp_egr_fifo_event_func(const struct mlxsw_reg_info *reg,
3943 char *mtpptr_pl, void *priv)
3945 struct mlxsw_sp *mlxsw_sp = priv;
3947 mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, false);
3950 void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb,
3951 u8 local_port, void *priv)
3953 struct mlxsw_sp *mlxsw_sp = priv;
3954 struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
3955 struct mlxsw_sp_port_pcpu_stats *pcpu_stats;
3957 if (unlikely(!mlxsw_sp_port)) {
3958 dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: skb received for non-existent port\n",
3963 skb->dev = mlxsw_sp_port->dev;
3965 pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats);
3966 u64_stats_update_begin(&pcpu_stats->syncp);
3967 pcpu_stats->rx_packets++;
3968 pcpu_stats->rx_bytes += skb->len;
3969 u64_stats_update_end(&pcpu_stats->syncp);
3971 skb->protocol = eth_type_trans(skb, skb->dev);
3972 netif_receive_skb(skb);
3975 static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u8 local_port,
3978 skb->offload_fwd_mark = 1;
3979 return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
3982 static void mlxsw_sp_rx_listener_l3_mark_func(struct sk_buff *skb,
3983 u8 local_port, void *priv)
3985 skb->offload_l3_fwd_mark = 1;
3986 skb->offload_fwd_mark = 1;
3987 return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
3990 static void mlxsw_sp_rx_listener_sample_func(struct sk_buff *skb, u8 local_port,
3993 struct mlxsw_sp *mlxsw_sp = priv;
3994 struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
3995 struct mlxsw_sp_port_sample *sample;
3998 if (unlikely(!mlxsw_sp_port)) {
3999 dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: sample skb received for non-existent port\n",
4005 sample = rcu_dereference(mlxsw_sp_port->sample);
4008 size = sample->truncate ? sample->trunc_size : skb->len;
4009 psample_sample_packet(sample->psample_group, skb, size,
4010 mlxsw_sp_port->dev->ifindex, 0, sample->rate);
4017 static void mlxsw_sp_rx_listener_ptp(struct sk_buff *skb, u8 local_port,
4020 struct mlxsw_sp *mlxsw_sp = priv;
4022 mlxsw_sp->ptp_ops->receive(mlxsw_sp, skb, local_port);
4025 #define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
4026 MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action, \
4027 _is_ctrl, SP_##_trap_group, DISCARD)
4029 #define MLXSW_SP_RXL_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
4030 MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action, \
4031 _is_ctrl, SP_##_trap_group, DISCARD)
4033 #define MLXSW_SP_RXL_L3_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
4034 MLXSW_RXL(mlxsw_sp_rx_listener_l3_mark_func, _trap_id, _action, \
4035 _is_ctrl, SP_##_trap_group, DISCARD)
4037 #define MLXSW_SP_EVENTL(_func, _trap_id) \
4038 MLXSW_EVENTL(_func, _trap_id, SP_EVENT)
4040 static const struct mlxsw_listener mlxsw_sp_listener[] = {
4042 MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE),
4044 MLXSW_SP_RXL_NO_MARK(STP, TRAP_TO_CPU, STP, true),
4045 MLXSW_SP_RXL_NO_MARK(LACP, TRAP_TO_CPU, LACP, true),
4046 MLXSW_RXL(mlxsw_sp_rx_listener_ptp, LLDP, TRAP_TO_CPU,
4047 false, SP_LLDP, DISCARD),
4048 MLXSW_SP_RXL_MARK(DHCP, MIRROR_TO_CPU, DHCP, false),
4049 MLXSW_SP_RXL_MARK(IGMP_QUERY, MIRROR_TO_CPU, MC_SNOOPING, false),
4050 MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, TRAP_TO_CPU, MC_SNOOPING, false),
4051 MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, TRAP_TO_CPU, MC_SNOOPING, false),
4052 MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, TRAP_TO_CPU, MC_SNOOPING, false),
4053 MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, TRAP_TO_CPU, MC_SNOOPING, false),
4054 MLXSW_SP_RXL_MARK(ARPBC, MIRROR_TO_CPU, ARP, false),
4055 MLXSW_SP_RXL_MARK(ARPUC, MIRROR_TO_CPU, ARP, false),
4056 MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, IP2ME, false),
4057 MLXSW_SP_RXL_MARK(IPV6_MLDV12_LISTENER_QUERY, MIRROR_TO_CPU,
4058 MC_SNOOPING, false),
4059 MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_REPORT, TRAP_TO_CPU,
4060 MC_SNOOPING, false),
4061 MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_DONE, TRAP_TO_CPU, MC_SNOOPING,
4063 MLXSW_SP_RXL_NO_MARK(IPV6_MLDV2_LISTENER_REPORT, TRAP_TO_CPU,
4064 MC_SNOOPING, false),
4066 MLXSW_SP_RXL_L3_MARK(LBERROR, MIRROR_TO_CPU, LBERROR, false),
4067 MLXSW_SP_RXL_MARK(IP2ME, TRAP_TO_CPU, IP2ME, false),
4068 MLXSW_SP_RXL_MARK(IPV6_UNSPECIFIED_ADDRESS, TRAP_TO_CPU, ROUTER_EXP,
4070 MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP, false),
4071 MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_SRC, TRAP_TO_CPU, ROUTER_EXP, false),
4072 MLXSW_SP_RXL_MARK(IPV6_ALL_NODES_LINK, TRAP_TO_CPU, ROUTER_EXP, false),
4073 MLXSW_SP_RXL_MARK(IPV6_ALL_ROUTERS_LINK, TRAP_TO_CPU, ROUTER_EXP,
4075 MLXSW_SP_RXL_MARK(IPV4_OSPF, TRAP_TO_CPU, OSPF, false),
4076 MLXSW_SP_RXL_MARK(IPV6_OSPF, TRAP_TO_CPU, OSPF, false),
4077 MLXSW_SP_RXL_MARK(IPV6_DHCP, TRAP_TO_CPU, DHCP, false),
4078 MLXSW_SP_RXL_MARK(RTR_INGRESS0, TRAP_TO_CPU, REMOTE_ROUTE, false),
4079 MLXSW_SP_RXL_MARK(IPV4_BGP, TRAP_TO_CPU, BGP, false),
4080 MLXSW_SP_RXL_MARK(IPV6_BGP, TRAP_TO_CPU, BGP, false),
4081 MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_SOLICITATION, TRAP_TO_CPU, IPV6_ND,
4083 MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_ADVERTISMENT, TRAP_TO_CPU, IPV6_ND,
4085 MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_SOLICITATION, TRAP_TO_CPU, IPV6_ND,
4087 MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_ADVERTISMENT, TRAP_TO_CPU, IPV6_ND,
4089 MLXSW_SP_RXL_MARK(L3_IPV6_REDIRECTION, TRAP_TO_CPU, IPV6_ND, false),
4090 MLXSW_SP_RXL_MARK(IPV6_MC_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP,
4092 MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, TRAP_TO_CPU, ROUTER_EXP, false),
4093 MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, TRAP_TO_CPU, ROUTER_EXP, false),
4094 MLXSW_SP_RXL_MARK(IPV4_VRRP, TRAP_TO_CPU, VRRP, false),
4095 MLXSW_SP_RXL_MARK(IPV6_VRRP, TRAP_TO_CPU, VRRP, false),
4096 MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_CLASS_E, FORWARD,
4098 MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_MC_DMAC, FORWARD,
4100 MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_DIP, FORWARD,
4102 MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_DIP_LINK_LOCAL, FORWARD,
4104 /* PKT Sample trap */
4105 MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU,
4106 false, SP_IP2ME, DISCARD),
4108 MLXSW_SP_RXL_NO_MARK(ACL0, TRAP_TO_CPU, IP2ME, false),
4109 /* Multicast Router Traps */
4110 MLXSW_SP_RXL_MARK(IPV4_PIM, TRAP_TO_CPU, PIM, false),
4111 MLXSW_SP_RXL_MARK(IPV6_PIM, TRAP_TO_CPU, PIM, false),
4112 MLXSW_SP_RXL_MARK(ACL1, TRAP_TO_CPU, MULTICAST, false),
4113 MLXSW_SP_RXL_L3_MARK(ACL2, TRAP_TO_CPU, MULTICAST, false),
4115 MLXSW_SP_RXL_MARK(NVE_ENCAP_ARP, TRAP_TO_CPU, ARP, false),
4116 MLXSW_SP_RXL_NO_MARK(NVE_DECAP_ARP, TRAP_TO_CPU, ARP, false),
4118 MLXSW_RXL(mlxsw_sp_rx_listener_ptp, PTP0, TRAP_TO_CPU,
4119 false, SP_PTP0, DISCARD),
4120 MLXSW_SP_RXL_NO_MARK(PTP1, TRAP_TO_CPU, PTP1, false),
4123 static const struct mlxsw_listener mlxsw_sp1_listener[] = {
4125 MLXSW_EVENTL(mlxsw_sp1_ptp_egr_fifo_event_func, PTP_EGR_FIFO, SP_PTP0),
4126 MLXSW_EVENTL(mlxsw_sp1_ptp_ing_fifo_event_func, PTP_ING_FIFO, SP_PTP0),
4129 static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core)
4131 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4132 char qpcr_pl[MLXSW_REG_QPCR_LEN];
4133 enum mlxsw_reg_qpcr_ir_units ir_units;
4134 int max_cpu_policers;
4140 if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_CPU_POLICERS))
4143 max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);
4145 ir_units = MLXSW_REG_QPCR_IR_UNITS_M;
4146 for (i = 0; i < max_cpu_policers; i++) {
4149 case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP:
4150 case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP:
4151 case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP:
4152 case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF:
4153 case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM:
4154 case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR:
4158 case MLXSW_REG_HTGT_TRAP_GROUP_SP_MC_SNOOPING:
4162 case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP:
4163 case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
4164 case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP:
4165 case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
4166 case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
4167 case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND:
4168 case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
4172 case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME:
4176 case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0:
4180 case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1:
4184 case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
4192 __set_bit(i, mlxsw_sp->trap->policers_usage);
4193 mlxsw_reg_qpcr_pack(qpcr_pl, i, ir_units, is_bytes, rate,
4195 err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(qpcr), qpcr_pl);
4203 static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core)
4205 char htgt_pl[MLXSW_REG_HTGT_LEN];
4206 enum mlxsw_reg_htgt_trap_group i;
4207 int max_cpu_policers;
4208 int max_trap_groups;
4213 if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_TRAP_GROUPS))
4216 max_trap_groups = MLXSW_CORE_RES_GET(mlxsw_core, MAX_TRAP_GROUPS);
4217 max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);
4219 for (i = 0; i < max_trap_groups; i++) {
4222 case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP:
4223 case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP:
4224 case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP:
4225 case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF:
4226 case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM:
4227 case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0:
4228 case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
4232 case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP:
4233 case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP:
4237 case MLXSW_REG_HTGT_TRAP_GROUP_SP_MC_SNOOPING:
4238 case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME:
4242 case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
4243 case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND:
4244 case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1:
4248 case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
4249 case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
4250 case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
4254 case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR:
4258 case MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT:
4259 priority = MLXSW_REG_HTGT_DEFAULT_PRIORITY;
4260 tc = MLXSW_REG_HTGT_DEFAULT_TC;
4261 policer_id = MLXSW_REG_HTGT_INVALID_POLICER;
4267 if (max_cpu_policers <= policer_id &&
4268 policer_id != MLXSW_REG_HTGT_INVALID_POLICER)
4271 mlxsw_reg_htgt_pack(htgt_pl, i, policer_id, priority, tc);
4272 err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
4280 static int mlxsw_sp_traps_register(struct mlxsw_sp *mlxsw_sp,
4281 const struct mlxsw_listener listeners[],
4282 size_t listeners_count)
4287 for (i = 0; i < listeners_count; i++) {
4288 err = mlxsw_core_trap_register(mlxsw_sp->core,
4292 goto err_listener_register;
4297 err_listener_register:
4298 for (i--; i >= 0; i--) {
4299 mlxsw_core_trap_unregister(mlxsw_sp->core,
4306 static void mlxsw_sp_traps_unregister(struct mlxsw_sp *mlxsw_sp,
4307 const struct mlxsw_listener listeners[],
4308 size_t listeners_count)
4312 for (i = 0; i < listeners_count; i++) {
4313 mlxsw_core_trap_unregister(mlxsw_sp->core,
4319 static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
4321 struct mlxsw_sp_trap *trap;
4325 if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_CPU_POLICERS))
4327 max_policers = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_CPU_POLICERS);
4328 trap = kzalloc(struct_size(trap, policers_usage,
4329 BITS_TO_LONGS(max_policers)), GFP_KERNEL);
4332 trap->max_policers = max_policers;
4333 mlxsw_sp->trap = trap;
4335 err = mlxsw_sp_cpu_policers_set(mlxsw_sp->core);
4337 goto err_cpu_policers_set;
4339 err = mlxsw_sp_trap_groups_set(mlxsw_sp->core);
4341 goto err_trap_groups_set;
4343 err = mlxsw_sp_traps_register(mlxsw_sp, mlxsw_sp_listener,
4344 ARRAY_SIZE(mlxsw_sp_listener));
4346 goto err_traps_register;
4348 err = mlxsw_sp_traps_register(mlxsw_sp, mlxsw_sp->listeners,
4349 mlxsw_sp->listeners_count);
4351 goto err_extra_traps_init;
4355 err_extra_traps_init:
4356 mlxsw_sp_traps_unregister(mlxsw_sp, mlxsw_sp_listener,
4357 ARRAY_SIZE(mlxsw_sp_listener));
4359 err_trap_groups_set:
4360 err_cpu_policers_set:
4365 static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp)
4367 mlxsw_sp_traps_unregister(mlxsw_sp, mlxsw_sp->listeners,
4368 mlxsw_sp->listeners_count);
4369 mlxsw_sp_traps_unregister(mlxsw_sp, mlxsw_sp_listener,
4370 ARRAY_SIZE(mlxsw_sp_listener));
4371 kfree(mlxsw_sp->trap);
4374 #define MLXSW_SP_LAG_SEED_INIT 0xcafecafe
4376 static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp)
4378 char slcr_pl[MLXSW_REG_SLCR_LEN];
4382 seed = jhash(mlxsw_sp->base_mac, sizeof(mlxsw_sp->base_mac),
4383 MLXSW_SP_LAG_SEED_INIT);
4384 mlxsw_reg_slcr_pack(slcr_pl, MLXSW_REG_SLCR_LAG_HASH_SMAC |
4385 MLXSW_REG_SLCR_LAG_HASH_DMAC |
4386 MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE |
4387 MLXSW_REG_SLCR_LAG_HASH_VLANID |
4388 MLXSW_REG_SLCR_LAG_HASH_SIP |
4389 MLXSW_REG_SLCR_LAG_HASH_DIP |
4390 MLXSW_REG_SLCR_LAG_HASH_SPORT |
4391 MLXSW_REG_SLCR_LAG_HASH_DPORT |
4392 MLXSW_REG_SLCR_LAG_HASH_IPPROTO, seed);
4393 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcr), slcr_pl);
4397 if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG) ||
4398 !MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS))
4401 mlxsw_sp->lags = kcalloc(MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG),
4402 sizeof(struct mlxsw_sp_upper),
4404 if (!mlxsw_sp->lags)
4410 static void mlxsw_sp_lag_fini(struct mlxsw_sp *mlxsw_sp)
4412 kfree(mlxsw_sp->lags);
4415 static int mlxsw_sp_basic_trap_groups_set(struct mlxsw_core *mlxsw_core)
4417 char htgt_pl[MLXSW_REG_HTGT_LEN];
4419 mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_EMAD,
4420 MLXSW_REG_HTGT_INVALID_POLICER,
4421 MLXSW_REG_HTGT_DEFAULT_PRIORITY,
4422 MLXSW_REG_HTGT_DEFAULT_TC);
4423 return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
4426 static const struct mlxsw_sp_ptp_ops mlxsw_sp1_ptp_ops = {
4427 .clock_init = mlxsw_sp1_ptp_clock_init,
4428 .clock_fini = mlxsw_sp1_ptp_clock_fini,
4429 .init = mlxsw_sp1_ptp_init,
4430 .fini = mlxsw_sp1_ptp_fini,
4431 .receive = mlxsw_sp1_ptp_receive,
4432 .transmitted = mlxsw_sp1_ptp_transmitted,
4433 .hwtstamp_get = mlxsw_sp1_ptp_hwtstamp_get,
4434 .hwtstamp_set = mlxsw_sp1_ptp_hwtstamp_set,
4435 .shaper_work = mlxsw_sp1_ptp_shaper_work,
4436 .get_ts_info = mlxsw_sp1_ptp_get_ts_info,
4437 .get_stats_count = mlxsw_sp1_get_stats_count,
4438 .get_stats_strings = mlxsw_sp1_get_stats_strings,
4439 .get_stats = mlxsw_sp1_get_stats,
4442 static const struct mlxsw_sp_ptp_ops mlxsw_sp2_ptp_ops = {
4443 .clock_init = mlxsw_sp2_ptp_clock_init,
4444 .clock_fini = mlxsw_sp2_ptp_clock_fini,
4445 .init = mlxsw_sp2_ptp_init,
4446 .fini = mlxsw_sp2_ptp_fini,
4447 .receive = mlxsw_sp2_ptp_receive,
4448 .transmitted = mlxsw_sp2_ptp_transmitted,
4449 .hwtstamp_get = mlxsw_sp2_ptp_hwtstamp_get,
4450 .hwtstamp_set = mlxsw_sp2_ptp_hwtstamp_set,
4451 .shaper_work = mlxsw_sp2_ptp_shaper_work,
4452 .get_ts_info = mlxsw_sp2_ptp_get_ts_info,
4453 .get_stats_count = mlxsw_sp2_get_stats_count,
4454 .get_stats_strings = mlxsw_sp2_get_stats_strings,
4455 .get_stats = mlxsw_sp2_get_stats,
4458 static u32 mlxsw_sp1_span_buffsize_get(int mtu, u32 speed)
4463 static const struct mlxsw_sp_span_ops mlxsw_sp1_span_ops = {
4464 .buffsize_get = mlxsw_sp1_span_buffsize_get,
4467 #define MLXSW_SP2_SPAN_EG_MIRROR_BUFFER_FACTOR 38
4468 #define MLXSW_SP3_SPAN_EG_MIRROR_BUFFER_FACTOR 50
4470 static u32 __mlxsw_sp_span_buffsize_get(int mtu, u32 speed, u32 buffer_factor)
4472 return 3 * mtu + buffer_factor * speed / 1000;
4475 static u32 mlxsw_sp2_span_buffsize_get(int mtu, u32 speed)
4477 int factor = MLXSW_SP2_SPAN_EG_MIRROR_BUFFER_FACTOR;
4479 return __mlxsw_sp_span_buffsize_get(mtu, speed, factor);
4482 static const struct mlxsw_sp_span_ops mlxsw_sp2_span_ops = {
4483 .buffsize_get = mlxsw_sp2_span_buffsize_get,
4486 static u32 mlxsw_sp3_span_buffsize_get(int mtu, u32 speed)
4488 int factor = MLXSW_SP3_SPAN_EG_MIRROR_BUFFER_FACTOR;
4490 return __mlxsw_sp_span_buffsize_get(mtu, speed, factor);
4493 static const struct mlxsw_sp_span_ops mlxsw_sp3_span_ops = {
4494 .buffsize_get = mlxsw_sp3_span_buffsize_get,
4497 u32 mlxsw_sp_span_buffsize_get(struct mlxsw_sp *mlxsw_sp, int mtu, u32 speed)
4499 u32 buffsize = mlxsw_sp->span_ops->buffsize_get(speed, mtu);
4501 return mlxsw_sp_bytes_cells(mlxsw_sp, buffsize) + 1;
4504 static int mlxsw_sp_netdevice_event(struct notifier_block *unused,
4505 unsigned long event, void *ptr);
4507 static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
4508 const struct mlxsw_bus_info *mlxsw_bus_info,
4509 struct netlink_ext_ack *extack)
4511 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4514 mlxsw_sp->core = mlxsw_core;
4515 mlxsw_sp->bus_info = mlxsw_bus_info;
4517 err = mlxsw_sp_fw_rev_validate(mlxsw_sp);
4521 mlxsw_core_emad_string_tlv_enable(mlxsw_core);
4523 err = mlxsw_sp_base_mac_get(mlxsw_sp);
4525 dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n");
4529 err = mlxsw_sp_kvdl_init(mlxsw_sp);
4531 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize KVDL\n");
4535 err = mlxsw_sp_fids_init(mlxsw_sp);
4537 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize FIDs\n");
4541 err = mlxsw_sp_traps_init(mlxsw_sp);
4543 dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps\n");
4544 goto err_traps_init;
4547 err = mlxsw_sp_devlink_traps_init(mlxsw_sp);
4549 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize devlink traps\n");
4550 goto err_devlink_traps_init;
4553 err = mlxsw_sp_buffers_init(mlxsw_sp);
4555 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize buffers\n");
4556 goto err_buffers_init;
4559 err = mlxsw_sp_lag_init(mlxsw_sp);
4561 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize LAG\n");
4565 /* Initialize SPAN before router and switchdev, so that those components
4566 * can call mlxsw_sp_span_respin().
4568 err = mlxsw_sp_span_init(mlxsw_sp);
4570 dev_err(mlxsw_sp->bus_info->dev, "Failed to init span system\n");
4574 err = mlxsw_sp_switchdev_init(mlxsw_sp);
4576 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize switchdev\n");
4577 goto err_switchdev_init;
4580 err = mlxsw_sp_counter_pool_init(mlxsw_sp);
4582 dev_err(mlxsw_sp->bus_info->dev, "Failed to init counter pool\n");
4583 goto err_counter_pool_init;
4586 err = mlxsw_sp_afa_init(mlxsw_sp);
4588 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL actions\n");
4592 err = mlxsw_sp_nve_init(mlxsw_sp);
4594 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize NVE\n");
4598 err = mlxsw_sp_acl_init(mlxsw_sp);
4600 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL\n");
4604 err = mlxsw_sp_router_init(mlxsw_sp, extack);
4606 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n");
4607 goto err_router_init;
4610 if (mlxsw_sp->bus_info->read_frc_capable) {
4611 /* NULL is a valid return value from clock_init */
4613 mlxsw_sp->ptp_ops->clock_init(mlxsw_sp,
4614 mlxsw_sp->bus_info->dev);
4615 if (IS_ERR(mlxsw_sp->clock)) {
4616 err = PTR_ERR(mlxsw_sp->clock);
4617 dev_err(mlxsw_sp->bus_info->dev, "Failed to init ptp clock\n");
4618 goto err_ptp_clock_init;
4622 if (mlxsw_sp->clock) {
4623 /* NULL is a valid return value from ptp_ops->init */
4624 mlxsw_sp->ptp_state = mlxsw_sp->ptp_ops->init(mlxsw_sp);
4625 if (IS_ERR(mlxsw_sp->ptp_state)) {
4626 err = PTR_ERR(mlxsw_sp->ptp_state);
4627 dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize PTP\n");
4632 /* Initialize netdevice notifier after router and SPAN is initialized,
4633 * so that the event handler can use router structures and call SPAN
4636 mlxsw_sp->netdevice_nb.notifier_call = mlxsw_sp_netdevice_event;
4637 err = register_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
4638 &mlxsw_sp->netdevice_nb);
4640 dev_err(mlxsw_sp->bus_info->dev, "Failed to register netdev notifier\n");
4641 goto err_netdev_notifier;
4644 err = mlxsw_sp_dpipe_init(mlxsw_sp);
4646 dev_err(mlxsw_sp->bus_info->dev, "Failed to init pipeline debug\n");
4647 goto err_dpipe_init;
4650 err = mlxsw_sp_port_module_info_init(mlxsw_sp);
4652 dev_err(mlxsw_sp->bus_info->dev, "Failed to init port module info\n");
4653 goto err_port_module_info_init;
4656 err = mlxsw_sp_ports_create(mlxsw_sp);
4658 dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n");
4659 goto err_ports_create;
4665 mlxsw_sp_port_module_info_fini(mlxsw_sp);
4666 err_port_module_info_init:
4667 mlxsw_sp_dpipe_fini(mlxsw_sp);
4669 unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
4670 &mlxsw_sp->netdevice_nb);
4671 err_netdev_notifier:
4672 if (mlxsw_sp->clock)
4673 mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state);
4675 if (mlxsw_sp->clock)
4676 mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock);
4678 mlxsw_sp_router_fini(mlxsw_sp);
4680 mlxsw_sp_acl_fini(mlxsw_sp);
4682 mlxsw_sp_nve_fini(mlxsw_sp);
4684 mlxsw_sp_afa_fini(mlxsw_sp);
4686 mlxsw_sp_counter_pool_fini(mlxsw_sp);
4687 err_counter_pool_init:
4688 mlxsw_sp_switchdev_fini(mlxsw_sp);
4690 mlxsw_sp_span_fini(mlxsw_sp);
4692 mlxsw_sp_lag_fini(mlxsw_sp);
4694 mlxsw_sp_buffers_fini(mlxsw_sp);
4696 mlxsw_sp_devlink_traps_fini(mlxsw_sp);
4697 err_devlink_traps_init:
4698 mlxsw_sp_traps_fini(mlxsw_sp);
4700 mlxsw_sp_fids_fini(mlxsw_sp);
4702 mlxsw_sp_kvdl_fini(mlxsw_sp);
4706 static int mlxsw_sp1_init(struct mlxsw_core *mlxsw_core,
4707 const struct mlxsw_bus_info *mlxsw_bus_info,
4708 struct netlink_ext_ack *extack)
4710 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4712 mlxsw_sp->req_rev = &mlxsw_sp1_fw_rev;
4713 mlxsw_sp->fw_filename = MLXSW_SP1_FW_FILENAME;
4714 mlxsw_sp->kvdl_ops = &mlxsw_sp1_kvdl_ops;
4715 mlxsw_sp->afa_ops = &mlxsw_sp1_act_afa_ops;
4716 mlxsw_sp->afk_ops = &mlxsw_sp1_afk_ops;
4717 mlxsw_sp->mr_tcam_ops = &mlxsw_sp1_mr_tcam_ops;
4718 mlxsw_sp->acl_tcam_ops = &mlxsw_sp1_acl_tcam_ops;
4719 mlxsw_sp->nve_ops_arr = mlxsw_sp1_nve_ops_arr;
4720 mlxsw_sp->mac_mask = mlxsw_sp1_mac_mask;
4721 mlxsw_sp->rif_ops_arr = mlxsw_sp1_rif_ops_arr;
4722 mlxsw_sp->sb_vals = &mlxsw_sp1_sb_vals;
4723 mlxsw_sp->port_type_speed_ops = &mlxsw_sp1_port_type_speed_ops;
4724 mlxsw_sp->ptp_ops = &mlxsw_sp1_ptp_ops;
4725 mlxsw_sp->span_ops = &mlxsw_sp1_span_ops;
4726 mlxsw_sp->listeners = mlxsw_sp1_listener;
4727 mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp1_listener);
4728 mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP1;
4730 return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
4733 static int mlxsw_sp2_init(struct mlxsw_core *mlxsw_core,
4734 const struct mlxsw_bus_info *mlxsw_bus_info,
4735 struct netlink_ext_ack *extack)
4737 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4739 mlxsw_sp->req_rev = &mlxsw_sp2_fw_rev;
4740 mlxsw_sp->fw_filename = MLXSW_SP2_FW_FILENAME;
4741 mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops;
4742 mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops;
4743 mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops;
4744 mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops;
4745 mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops;
4746 mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr;
4747 mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask;
4748 mlxsw_sp->rif_ops_arr = mlxsw_sp2_rif_ops_arr;
4749 mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals;
4750 mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops;
4751 mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops;
4752 mlxsw_sp->span_ops = &mlxsw_sp2_span_ops;
4753 mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP2;
4755 return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
4758 static int mlxsw_sp3_init(struct mlxsw_core *mlxsw_core,
4759 const struct mlxsw_bus_info *mlxsw_bus_info,
4760 struct netlink_ext_ack *extack)
4762 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4764 mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops;
4765 mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops;
4766 mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops;
4767 mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops;
4768 mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops;
4769 mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr;
4770 mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask;
4771 mlxsw_sp->rif_ops_arr = mlxsw_sp2_rif_ops_arr;
4772 mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals;
4773 mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops;
4774 mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops;
4775 mlxsw_sp->span_ops = &mlxsw_sp3_span_ops;
4776 mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP3;
4778 return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
4781 static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core)
4783 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4785 mlxsw_sp_ports_remove(mlxsw_sp);
4786 mlxsw_sp_port_module_info_fini(mlxsw_sp);
4787 mlxsw_sp_dpipe_fini(mlxsw_sp);
4788 unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
4789 &mlxsw_sp->netdevice_nb);
4790 if (mlxsw_sp->clock) {
4791 mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state);
4792 mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock);
4794 mlxsw_sp_router_fini(mlxsw_sp);
4795 mlxsw_sp_acl_fini(mlxsw_sp);
4796 mlxsw_sp_nve_fini(mlxsw_sp);
4797 mlxsw_sp_afa_fini(mlxsw_sp);
4798 mlxsw_sp_counter_pool_fini(mlxsw_sp);
4799 mlxsw_sp_switchdev_fini(mlxsw_sp);
4800 mlxsw_sp_span_fini(mlxsw_sp);
4801 mlxsw_sp_lag_fini(mlxsw_sp);
4802 mlxsw_sp_buffers_fini(mlxsw_sp);
4803 mlxsw_sp_devlink_traps_fini(mlxsw_sp);
4804 mlxsw_sp_traps_fini(mlxsw_sp);
4805 mlxsw_sp_fids_fini(mlxsw_sp);
4806 mlxsw_sp_kvdl_fini(mlxsw_sp);
4809 /* Per-FID flood tables are used for both "true" 802.1D FIDs and emulated
4812 #define MLXSW_SP_FID_FLOOD_TABLE_SIZE (MLXSW_SP_FID_8021D_MAX + \
4815 static const struct mlxsw_config_profile mlxsw_sp1_config_profile = {
4817 .max_mid = MLXSW_SP_MID_MAX,
4818 .used_flood_tables = 1,
4819 .used_flood_mode = 1,
4821 .max_fid_flood_tables = 3,
4822 .fid_flood_table_size = MLXSW_SP_FID_FLOOD_TABLE_SIZE,
4823 .used_max_ib_mc = 1,
4827 .used_kvd_sizes = 1,
4828 .kvd_hash_single_parts = 59,
4829 .kvd_hash_double_parts = 41,
4830 .kvd_linear_size = MLXSW_SP_KVD_LINEAR_SIZE,
4834 .type = MLXSW_PORT_SWID_TYPE_ETH,
4839 static const struct mlxsw_config_profile mlxsw_sp2_config_profile = {
4841 .max_mid = MLXSW_SP_MID_MAX,
4842 .used_flood_tables = 1,
4843 .used_flood_mode = 1,
4845 .max_fid_flood_tables = 3,
4846 .fid_flood_table_size = MLXSW_SP_FID_FLOOD_TABLE_SIZE,
4847 .used_max_ib_mc = 1,
4854 .type = MLXSW_PORT_SWID_TYPE_ETH,
4860 mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core,
4861 struct devlink_resource_size_params *kvd_size_params,
4862 struct devlink_resource_size_params *linear_size_params,
4863 struct devlink_resource_size_params *hash_double_size_params,
4864 struct devlink_resource_size_params *hash_single_size_params)
4866 u32 single_size_min = MLXSW_CORE_RES_GET(mlxsw_core,
4867 KVD_SINGLE_MIN_SIZE);
4868 u32 double_size_min = MLXSW_CORE_RES_GET(mlxsw_core,
4869 KVD_DOUBLE_MIN_SIZE);
4870 u32 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
4871 u32 linear_size_min = 0;
4873 devlink_resource_size_params_init(kvd_size_params, kvd_size, kvd_size,
4874 MLXSW_SP_KVD_GRANULARITY,
4875 DEVLINK_RESOURCE_UNIT_ENTRY);
4876 devlink_resource_size_params_init(linear_size_params, linear_size_min,
4877 kvd_size - single_size_min -
4879 MLXSW_SP_KVD_GRANULARITY,
4880 DEVLINK_RESOURCE_UNIT_ENTRY);
4881 devlink_resource_size_params_init(hash_double_size_params,
4883 kvd_size - single_size_min -
4885 MLXSW_SP_KVD_GRANULARITY,
4886 DEVLINK_RESOURCE_UNIT_ENTRY);
4887 devlink_resource_size_params_init(hash_single_size_params,
4889 kvd_size - double_size_min -
4891 MLXSW_SP_KVD_GRANULARITY,
4892 DEVLINK_RESOURCE_UNIT_ENTRY);
4895 static int mlxsw_sp1_resources_kvd_register(struct mlxsw_core *mlxsw_core)
4897 struct devlink *devlink = priv_to_devlink(mlxsw_core);
4898 struct devlink_resource_size_params hash_single_size_params;
4899 struct devlink_resource_size_params hash_double_size_params;
4900 struct devlink_resource_size_params linear_size_params;
4901 struct devlink_resource_size_params kvd_size_params;
4902 u32 kvd_size, single_size, double_size, linear_size;
4903 const struct mlxsw_config_profile *profile;
4906 profile = &mlxsw_sp1_config_profile;
4907 if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE))
4910 mlxsw_sp_resource_size_params_prepare(mlxsw_core, &kvd_size_params,
4911 &linear_size_params,
4912 &hash_double_size_params,
4913 &hash_single_size_params);
4915 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
4916 err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD,
4917 kvd_size, MLXSW_SP_RESOURCE_KVD,
4918 DEVLINK_RESOURCE_ID_PARENT_TOP,
4923 linear_size = profile->kvd_linear_size;
4924 err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_LINEAR,
4926 MLXSW_SP_RESOURCE_KVD_LINEAR,
4927 MLXSW_SP_RESOURCE_KVD,
4928 &linear_size_params);
4932 err = mlxsw_sp1_kvdl_resources_register(mlxsw_core);
4936 double_size = kvd_size - linear_size;
4937 double_size *= profile->kvd_hash_double_parts;
4938 double_size /= profile->kvd_hash_double_parts +
4939 profile->kvd_hash_single_parts;
4940 double_size = rounddown(double_size, MLXSW_SP_KVD_GRANULARITY);
4941 err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_DOUBLE,
4943 MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE,
4944 MLXSW_SP_RESOURCE_KVD,
4945 &hash_double_size_params);
4949 single_size = kvd_size - double_size - linear_size;
4950 err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_SINGLE,
4952 MLXSW_SP_RESOURCE_KVD_HASH_SINGLE,
4953 MLXSW_SP_RESOURCE_KVD,
4954 &hash_single_size_params);
4961 static int mlxsw_sp2_resources_kvd_register(struct mlxsw_core *mlxsw_core)
4963 struct devlink *devlink = priv_to_devlink(mlxsw_core);
4964 struct devlink_resource_size_params kvd_size_params;
4967 if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE))
4970 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
4971 devlink_resource_size_params_init(&kvd_size_params, kvd_size, kvd_size,
4972 MLXSW_SP_KVD_GRANULARITY,
4973 DEVLINK_RESOURCE_UNIT_ENTRY);
4975 return devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD,
4976 kvd_size, MLXSW_SP_RESOURCE_KVD,
4977 DEVLINK_RESOURCE_ID_PARENT_TOP,
4981 static int mlxsw_sp_resources_span_register(struct mlxsw_core *mlxsw_core)
4983 struct devlink *devlink = priv_to_devlink(mlxsw_core);
4984 struct devlink_resource_size_params span_size_params;
4987 if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_SPAN))
4990 max_span = MLXSW_CORE_RES_GET(mlxsw_core, MAX_SPAN);
4991 devlink_resource_size_params_init(&span_size_params, max_span, max_span,
4992 1, DEVLINK_RESOURCE_UNIT_ENTRY);
4994 return devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_SPAN,
4995 max_span, MLXSW_SP_RESOURCE_SPAN,
4996 DEVLINK_RESOURCE_ID_PARENT_TOP,
5000 static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core)
5004 err = mlxsw_sp1_resources_kvd_register(mlxsw_core);
5008 err = mlxsw_sp_resources_span_register(mlxsw_core);
5010 goto err_resources_span_register;
5012 err = mlxsw_sp_counter_resources_register(mlxsw_core);
5014 goto err_resources_counter_register;
5018 err_resources_counter_register:
5019 err_resources_span_register:
5020 devlink_resources_unregister(priv_to_devlink(mlxsw_core), NULL);
5024 static int mlxsw_sp2_resources_register(struct mlxsw_core *mlxsw_core)
5028 err = mlxsw_sp2_resources_kvd_register(mlxsw_core);
5032 err = mlxsw_sp_resources_span_register(mlxsw_core);
5034 goto err_resources_span_register;
5036 err = mlxsw_sp_counter_resources_register(mlxsw_core);
5038 goto err_resources_counter_register;
5042 err_resources_counter_register:
5043 err_resources_span_register:
5044 devlink_resources_unregister(priv_to_devlink(mlxsw_core), NULL);
5048 static int mlxsw_sp_kvd_sizes_get(struct mlxsw_core *mlxsw_core,
5049 const struct mlxsw_config_profile *profile,
5050 u64 *p_single_size, u64 *p_double_size,
5053 struct devlink *devlink = priv_to_devlink(mlxsw_core);
5057 if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SINGLE_MIN_SIZE) ||
5058 !MLXSW_CORE_RES_VALID(mlxsw_core, KVD_DOUBLE_MIN_SIZE))
5061 /* The hash part is what left of the kvd without the
5062 * linear part. It is split to the single size and
5063 * double size by the parts ratio from the profile.
5064 * Both sizes must be a multiplications of the
5065 * granularity from the profile. In case the user
5066 * provided the sizes they are obtained via devlink.
5068 err = devlink_resource_size_get(devlink,
5069 MLXSW_SP_RESOURCE_KVD_LINEAR,
5072 *p_linear_size = profile->kvd_linear_size;
5074 err = devlink_resource_size_get(devlink,
5075 MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE,
5078 double_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) -
5080 double_size *= profile->kvd_hash_double_parts;
5081 double_size /= profile->kvd_hash_double_parts +
5082 profile->kvd_hash_single_parts;
5083 *p_double_size = rounddown(double_size,
5084 MLXSW_SP_KVD_GRANULARITY);
5087 err = devlink_resource_size_get(devlink,
5088 MLXSW_SP_RESOURCE_KVD_HASH_SINGLE,
5091 *p_single_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) -
5092 *p_double_size - *p_linear_size;
5094 /* Check results are legal. */
5095 if (*p_single_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_SINGLE_MIN_SIZE) ||
5096 *p_double_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_DOUBLE_MIN_SIZE) ||
5097 MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) < *p_linear_size)
5104 mlxsw_sp_devlink_param_fw_load_policy_validate(struct devlink *devlink, u32 id,
5105 union devlink_param_value val,
5106 struct netlink_ext_ack *extack)
5108 if ((val.vu8 != DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER) &&
5109 (val.vu8 != DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH)) {
5110 NL_SET_ERR_MSG_MOD(extack, "'fw_load_policy' must be 'driver' or 'flash'");
5117 static const struct devlink_param mlxsw_sp_devlink_params[] = {
5118 DEVLINK_PARAM_GENERIC(FW_LOAD_POLICY,
5119 BIT(DEVLINK_PARAM_CMODE_DRIVERINIT),
5121 mlxsw_sp_devlink_param_fw_load_policy_validate),
5124 static int mlxsw_sp_params_register(struct mlxsw_core *mlxsw_core)
5126 struct devlink *devlink = priv_to_devlink(mlxsw_core);
5127 union devlink_param_value value;
5130 err = devlink_params_register(devlink, mlxsw_sp_devlink_params,
5131 ARRAY_SIZE(mlxsw_sp_devlink_params));
5135 value.vu8 = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER;
5136 devlink_param_driverinit_value_set(devlink,
5137 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
5142 static void mlxsw_sp_params_unregister(struct mlxsw_core *mlxsw_core)
5144 devlink_params_unregister(priv_to_devlink(mlxsw_core),
5145 mlxsw_sp_devlink_params,
5146 ARRAY_SIZE(mlxsw_sp_devlink_params));
5150 mlxsw_sp_params_acl_region_rehash_intrvl_get(struct devlink *devlink, u32 id,
5151 struct devlink_param_gset_ctx *ctx)
5153 struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
5154 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
5156 ctx->val.vu32 = mlxsw_sp_acl_region_rehash_intrvl_get(mlxsw_sp);
5161 mlxsw_sp_params_acl_region_rehash_intrvl_set(struct devlink *devlink, u32 id,
5162 struct devlink_param_gset_ctx *ctx)
5164 struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
5165 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
5167 return mlxsw_sp_acl_region_rehash_intrvl_set(mlxsw_sp, ctx->val.vu32);
5170 static const struct devlink_param mlxsw_sp2_devlink_params[] = {
5171 DEVLINK_PARAM_DRIVER(MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,
5172 "acl_region_rehash_interval",
5173 DEVLINK_PARAM_TYPE_U32,
5174 BIT(DEVLINK_PARAM_CMODE_RUNTIME),
5175 mlxsw_sp_params_acl_region_rehash_intrvl_get,
5176 mlxsw_sp_params_acl_region_rehash_intrvl_set,
5180 static int mlxsw_sp2_params_register(struct mlxsw_core *mlxsw_core)
5182 struct devlink *devlink = priv_to_devlink(mlxsw_core);
5183 union devlink_param_value value;
5186 err = mlxsw_sp_params_register(mlxsw_core);
5190 err = devlink_params_register(devlink, mlxsw_sp2_devlink_params,
5191 ARRAY_SIZE(mlxsw_sp2_devlink_params));
5193 goto err_devlink_params_register;
5196 devlink_param_driverinit_value_set(devlink,
5197 MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,
5201 err_devlink_params_register:
5202 mlxsw_sp_params_unregister(mlxsw_core);
5206 static void mlxsw_sp2_params_unregister(struct mlxsw_core *mlxsw_core)
5208 devlink_params_unregister(priv_to_devlink(mlxsw_core),
5209 mlxsw_sp2_devlink_params,
5210 ARRAY_SIZE(mlxsw_sp2_devlink_params));
5211 mlxsw_sp_params_unregister(mlxsw_core);
5214 static void mlxsw_sp_ptp_transmitted(struct mlxsw_core *mlxsw_core,
5215 struct sk_buff *skb, u8 local_port)
5217 struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
5219 skb_pull(skb, MLXSW_TXHDR_LEN);
5220 mlxsw_sp->ptp_ops->transmitted(mlxsw_sp, skb, local_port);
5223 static struct mlxsw_driver mlxsw_sp1_driver = {
5224 .kind = mlxsw_sp1_driver_name,
5225 .priv_size = sizeof(struct mlxsw_sp),
5226 .init = mlxsw_sp1_init,
5227 .fini = mlxsw_sp_fini,
5228 .basic_trap_groups_set = mlxsw_sp_basic_trap_groups_set,
5229 .port_split = mlxsw_sp_port_split,
5230 .port_unsplit = mlxsw_sp_port_unsplit,
5231 .sb_pool_get = mlxsw_sp_sb_pool_get,
5232 .sb_pool_set = mlxsw_sp_sb_pool_set,
5233 .sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
5234 .sb_port_pool_set = mlxsw_sp_sb_port_pool_set,
5235 .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get,
5236 .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set,
5237 .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot,
5238 .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear,
5239 .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get,
5240 .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get,
5241 .flash_update = mlxsw_sp_flash_update,
5242 .trap_init = mlxsw_sp_trap_init,
5243 .trap_fini = mlxsw_sp_trap_fini,
5244 .trap_action_set = mlxsw_sp_trap_action_set,
5245 .trap_group_init = mlxsw_sp_trap_group_init,
5246 .trap_group_set = mlxsw_sp_trap_group_set,
5247 .trap_policer_init = mlxsw_sp_trap_policer_init,
5248 .trap_policer_fini = mlxsw_sp_trap_policer_fini,
5249 .trap_policer_set = mlxsw_sp_trap_policer_set,
5250 .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get,
5251 .txhdr_construct = mlxsw_sp_txhdr_construct,
5252 .resources_register = mlxsw_sp1_resources_register,
5253 .kvd_sizes_get = mlxsw_sp_kvd_sizes_get,
5254 .params_register = mlxsw_sp_params_register,
5255 .params_unregister = mlxsw_sp_params_unregister,
5256 .ptp_transmitted = mlxsw_sp_ptp_transmitted,
5257 .txhdr_len = MLXSW_TXHDR_LEN,
5258 .profile = &mlxsw_sp1_config_profile,
5259 .res_query_enabled = true,
5262 static struct mlxsw_driver mlxsw_sp2_driver = {
5263 .kind = mlxsw_sp2_driver_name,
5264 .priv_size = sizeof(struct mlxsw_sp),
5265 .init = mlxsw_sp2_init,
5266 .fini = mlxsw_sp_fini,
5267 .basic_trap_groups_set = mlxsw_sp_basic_trap_groups_set,
5268 .port_split = mlxsw_sp_port_split,
5269 .port_unsplit = mlxsw_sp_port_unsplit,
5270 .sb_pool_get = mlxsw_sp_sb_pool_get,
5271 .sb_pool_set = mlxsw_sp_sb_pool_set,
5272 .sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
5273 .sb_port_pool_set = mlxsw_sp_sb_port_pool_set,
5274 .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get,
5275 .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set,
5276 .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot,
5277 .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear,
5278 .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get,
5279 .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get,
5280 .flash_update = mlxsw_sp_flash_update,
5281 .trap_init = mlxsw_sp_trap_init,
5282 .trap_fini = mlxsw_sp_trap_fini,
5283 .trap_action_set = mlxsw_sp_trap_action_set,
5284 .trap_group_init = mlxsw_sp_trap_group_init,
5285 .trap_group_set = mlxsw_sp_trap_group_set,
5286 .trap_policer_init = mlxsw_sp_trap_policer_init,
5287 .trap_policer_fini = mlxsw_sp_trap_policer_fini,
5288 .trap_policer_set = mlxsw_sp_trap_policer_set,
5289 .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get,
5290 .txhdr_construct = mlxsw_sp_txhdr_construct,
5291 .resources_register = mlxsw_sp2_resources_register,
5292 .params_register = mlxsw_sp2_params_register,
5293 .params_unregister = mlxsw_sp2_params_unregister,
5294 .ptp_transmitted = mlxsw_sp_ptp_transmitted,
5295 .txhdr_len = MLXSW_TXHDR_LEN,
5296 .profile = &mlxsw_sp2_config_profile,
5297 .res_query_enabled = true,
5300 static struct mlxsw_driver mlxsw_sp3_driver = {
5301 .kind = mlxsw_sp3_driver_name,
5302 .priv_size = sizeof(struct mlxsw_sp),
5303 .init = mlxsw_sp3_init,
5304 .fini = mlxsw_sp_fini,
5305 .basic_trap_groups_set = mlxsw_sp_basic_trap_groups_set,
5306 .port_split = mlxsw_sp_port_split,
5307 .port_unsplit = mlxsw_sp_port_unsplit,
5308 .sb_pool_get = mlxsw_sp_sb_pool_get,
5309 .sb_pool_set = mlxsw_sp_sb_pool_set,
5310 .sb_port_pool_get = mlxsw_sp_sb_port_pool_get,
5311 .sb_port_pool_set = mlxsw_sp_sb_port_pool_set,
5312 .sb_tc_pool_bind_get = mlxsw_sp_sb_tc_pool_bind_get,
5313 .sb_tc_pool_bind_set = mlxsw_sp_sb_tc_pool_bind_set,
5314 .sb_occ_snapshot = mlxsw_sp_sb_occ_snapshot,
5315 .sb_occ_max_clear = mlxsw_sp_sb_occ_max_clear,
5316 .sb_occ_port_pool_get = mlxsw_sp_sb_occ_port_pool_get,
5317 .sb_occ_tc_port_bind_get = mlxsw_sp_sb_occ_tc_port_bind_get,
5318 .flash_update = mlxsw_sp_flash_update,
5319 .trap_init = mlxsw_sp_trap_init,
5320 .trap_fini = mlxsw_sp_trap_fini,
5321 .trap_action_set = mlxsw_sp_trap_action_set,
5322 .trap_group_init = mlxsw_sp_trap_group_init,
5323 .trap_group_set = mlxsw_sp_trap_group_set,
5324 .trap_policer_init = mlxsw_sp_trap_policer_init,
5325 .trap_policer_fini = mlxsw_sp_trap_policer_fini,
5326 .trap_policer_set = mlxsw_sp_trap_policer_set,
5327 .trap_policer_counter_get = mlxsw_sp_trap_policer_counter_get,
5328 .txhdr_construct = mlxsw_sp_txhdr_construct,
5329 .resources_register = mlxsw_sp2_resources_register,
5330 .params_register = mlxsw_sp2_params_register,
5331 .params_unregister = mlxsw_sp2_params_unregister,
5332 .ptp_transmitted = mlxsw_sp_ptp_transmitted,
5333 .txhdr_len = MLXSW_TXHDR_LEN,
5334 .profile = &mlxsw_sp2_config_profile,
5335 .res_query_enabled = true,
5338 bool mlxsw_sp_port_dev_check(const struct net_device *dev)
5340 return dev->netdev_ops == &mlxsw_sp_port_netdev_ops;
5343 static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, void *data)
5345 struct mlxsw_sp_port **p_mlxsw_sp_port = data;
5348 if (mlxsw_sp_port_dev_check(lower_dev)) {
5349 *p_mlxsw_sp_port = netdev_priv(lower_dev);
5356 struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev)
5358 struct mlxsw_sp_port *mlxsw_sp_port;
5360 if (mlxsw_sp_port_dev_check(dev))
5361 return netdev_priv(dev);
5363 mlxsw_sp_port = NULL;
5364 netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &mlxsw_sp_port);
5366 return mlxsw_sp_port;
5369 struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev)
5371 struct mlxsw_sp_port *mlxsw_sp_port;
5373 mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev);
5374 return mlxsw_sp_port ? mlxsw_sp_port->mlxsw_sp : NULL;
5377 struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev)
5379 struct mlxsw_sp_port *mlxsw_sp_port;
5381 if (mlxsw_sp_port_dev_check(dev))
5382 return netdev_priv(dev);
5384 mlxsw_sp_port = NULL;
5385 netdev_walk_all_lower_dev_rcu(dev, mlxsw_sp_lower_dev_walk,
5388 return mlxsw_sp_port;
5391 struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev)
5393 struct mlxsw_sp_port *mlxsw_sp_port;
5396 mlxsw_sp_port = mlxsw_sp_port_dev_lower_find_rcu(dev);
5398 dev_hold(mlxsw_sp_port->dev);
5400 return mlxsw_sp_port;
5403 void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port)
5405 dev_put(mlxsw_sp_port->dev);
5409 mlxsw_sp_port_lag_uppers_cleanup(struct mlxsw_sp_port *mlxsw_sp_port,
5410 struct net_device *lag_dev)
5412 struct net_device *br_dev = netdev_master_upper_dev_get(lag_dev);
5413 struct net_device *upper_dev;
5414 struct list_head *iter;
5416 if (netif_is_bridge_port(lag_dev))
5417 mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, br_dev);
5419 netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) {
5420 if (!netif_is_bridge_port(upper_dev))
5422 br_dev = netdev_master_upper_dev_get(upper_dev);
5423 mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, br_dev);
5427 static int mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
5429 char sldr_pl[MLXSW_REG_SLDR_LEN];
5431 mlxsw_reg_sldr_lag_create_pack(sldr_pl, lag_id);
5432 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
5435 static int mlxsw_sp_lag_destroy(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
5437 char sldr_pl[MLXSW_REG_SLDR_LEN];
5439 mlxsw_reg_sldr_lag_destroy_pack(sldr_pl, lag_id);
5440 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
5443 static int mlxsw_sp_lag_col_port_add(struct mlxsw_sp_port *mlxsw_sp_port,
5444 u16 lag_id, u8 port_index)
5446 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
5447 char slcor_pl[MLXSW_REG_SLCOR_LEN];
5449 mlxsw_reg_slcor_port_add_pack(slcor_pl, mlxsw_sp_port->local_port,
5450 lag_id, port_index);
5451 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
5454 static int mlxsw_sp_lag_col_port_remove(struct mlxsw_sp_port *mlxsw_sp_port,
5457 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
5458 char slcor_pl[MLXSW_REG_SLCOR_LEN];
5460 mlxsw_reg_slcor_port_remove_pack(slcor_pl, mlxsw_sp_port->local_port,
5462 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
5465 static int mlxsw_sp_lag_col_port_enable(struct mlxsw_sp_port *mlxsw_sp_port,
5468 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
5469 char slcor_pl[MLXSW_REG_SLCOR_LEN];
5471 mlxsw_reg_slcor_col_enable_pack(slcor_pl, mlxsw_sp_port->local_port,
5473 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
5476 static int mlxsw_sp_lag_col_port_disable(struct mlxsw_sp_port *mlxsw_sp_port,
5479 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
5480 char slcor_pl[MLXSW_REG_SLCOR_LEN];
5482 mlxsw_reg_slcor_col_disable_pack(slcor_pl, mlxsw_sp_port->local_port,
5484 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
5487 static int mlxsw_sp_lag_index_get(struct mlxsw_sp *mlxsw_sp,
5488 struct net_device *lag_dev,
5491 struct mlxsw_sp_upper *lag;
5492 int free_lag_id = -1;
5496 max_lag = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG);
5497 for (i = 0; i < max_lag; i++) {
5498 lag = mlxsw_sp_lag_get(mlxsw_sp, i);
5499 if (lag->ref_count) {
5500 if (lag->dev == lag_dev) {
5504 } else if (free_lag_id < 0) {
5508 if (free_lag_id < 0)
5510 *p_lag_id = free_lag_id;
5515 mlxsw_sp_master_lag_check(struct mlxsw_sp *mlxsw_sp,
5516 struct net_device *lag_dev,
5517 struct netdev_lag_upper_info *lag_upper_info,
5518 struct netlink_ext_ack *extack)
5522 if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) {
5523 NL_SET_ERR_MSG_MOD(extack, "Exceeded number of supported LAG devices");
5526 if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) {
5527 NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type");
5533 static int mlxsw_sp_port_lag_index_get(struct mlxsw_sp *mlxsw_sp,
5534 u16 lag_id, u8 *p_port_index)
5536 u64 max_lag_members;
5539 max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core,
5541 for (i = 0; i < max_lag_members; i++) {
5542 if (!mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i)) {
5550 static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port,
5551 struct net_device *lag_dev)
5553 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
5554 struct mlxsw_sp_upper *lag;
5559 err = mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id);
5562 lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id);
5563 if (!lag->ref_count) {
5564 err = mlxsw_sp_lag_create(mlxsw_sp, lag_id);
5570 err = mlxsw_sp_port_lag_index_get(mlxsw_sp, lag_id, &port_index);
5573 err = mlxsw_sp_lag_col_port_add(mlxsw_sp_port, lag_id, port_index);
5575 goto err_col_port_add;
5577 mlxsw_core_lag_mapping_set(mlxsw_sp->core, lag_id, port_index,
5578 mlxsw_sp_port->local_port);
5579 mlxsw_sp_port->lag_id = lag_id;
5580 mlxsw_sp_port->lagged = 1;
5583 /* Port is no longer usable as a router interface */
5584 if (mlxsw_sp_port->default_vlan->fid)
5585 mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port->default_vlan);
5590 if (!lag->ref_count)
5591 mlxsw_sp_lag_destroy(mlxsw_sp, lag_id);
5595 static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port,
5596 struct net_device *lag_dev)
5598 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
5599 u16 lag_id = mlxsw_sp_port->lag_id;
5600 struct mlxsw_sp_upper *lag;
5602 if (!mlxsw_sp_port->lagged)
5604 lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id);
5605 WARN_ON(lag->ref_count == 0);
5607 mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id);
5609 /* Any VLANs configured on the port are no longer valid */
5610 mlxsw_sp_port_vlan_flush(mlxsw_sp_port, false);
5611 mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port->default_vlan);
5612 /* Make the LAG and its directly linked uppers leave bridges they
5615 mlxsw_sp_port_lag_uppers_cleanup(mlxsw_sp_port, lag_dev);
5617 if (lag->ref_count == 1)
5618 mlxsw_sp_lag_destroy(mlxsw_sp, lag_id);
5620 mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id,
5621 mlxsw_sp_port->local_port);
5622 mlxsw_sp_port->lagged = 0;
5625 /* Make sure untagged frames are allowed to ingress */
5626 mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID);
5629 static int mlxsw_sp_lag_dist_port_add(struct mlxsw_sp_port *mlxsw_sp_port,
5632 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
5633 char sldr_pl[MLXSW_REG_SLDR_LEN];
5635 mlxsw_reg_sldr_lag_add_port_pack(sldr_pl, lag_id,
5636 mlxsw_sp_port->local_port);
5637 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
5640 static int mlxsw_sp_lag_dist_port_remove(struct mlxsw_sp_port *mlxsw_sp_port,
5643 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
5644 char sldr_pl[MLXSW_REG_SLDR_LEN];
5646 mlxsw_reg_sldr_lag_remove_port_pack(sldr_pl, lag_id,
5647 mlxsw_sp_port->local_port);
5648 return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
5652 mlxsw_sp_port_lag_col_dist_enable(struct mlxsw_sp_port *mlxsw_sp_port)
5656 err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port,
5657 mlxsw_sp_port->lag_id);
5661 err = mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id);
5663 goto err_dist_port_add;
5668 mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, mlxsw_sp_port->lag_id);
5673 mlxsw_sp_port_lag_col_dist_disable(struct mlxsw_sp_port *mlxsw_sp_port)
5677 err = mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port,
5678 mlxsw_sp_port->lag_id);
5682 err = mlxsw_sp_lag_col_port_disable(mlxsw_sp_port,
5683 mlxsw_sp_port->lag_id);
5685 goto err_col_port_disable;
5689 err_col_port_disable:
5690 mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id);
5694 static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port,
5695 struct netdev_lag_lower_state_info *info)
5697 if (info->tx_enabled)
5698 return mlxsw_sp_port_lag_col_dist_enable(mlxsw_sp_port);
5700 return mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port);
5703 static int mlxsw_sp_port_stp_set(struct mlxsw_sp_port *mlxsw_sp_port,
5706 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
5707 enum mlxsw_reg_spms_state spms_state;
5712 spms_state = enable ? MLXSW_REG_SPMS_STATE_FORWARDING :
5713 MLXSW_REG_SPMS_STATE_DISCARDING;
5715 spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL);
5718 mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port);
5720 for (vid = 0; vid < VLAN_N_VID; vid++)
5721 mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state);
5723 err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl);
5728 static int mlxsw_sp_port_ovs_join(struct mlxsw_sp_port *mlxsw_sp_port)
5733 err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true);
5736 err = mlxsw_sp_port_stp_set(mlxsw_sp_port, true);
5738 goto err_port_stp_set;
5739 err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2,
5742 goto err_port_vlan_set;
5744 for (; vid <= VLAN_N_VID - 1; vid++) {
5745 err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port,
5748 goto err_vid_learning_set;
5753 err_vid_learning_set:
5754 for (vid--; vid >= 1; vid--)
5755 mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, true);
5757 mlxsw_sp_port_stp_set(mlxsw_sp_port, false);
5759 mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
5763 static void mlxsw_sp_port_ovs_leave(struct mlxsw_sp_port *mlxsw_sp_port)
5767 for (vid = VLAN_N_VID - 1; vid >= 1; vid--)
5768 mlxsw_sp_port_vid_learning_set(mlxsw_sp_port,
5771 mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2,
5773 mlxsw_sp_port_stp_set(mlxsw_sp_port, false);
5774 mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
5777 static bool mlxsw_sp_bridge_has_multiple_vxlans(struct net_device *br_dev)
5779 unsigned int num_vxlans = 0;
5780 struct net_device *dev;
5781 struct list_head *iter;
5783 netdev_for_each_lower_dev(br_dev, dev, iter) {
5784 if (netif_is_vxlan(dev))
5788 return num_vxlans > 1;
5791 static bool mlxsw_sp_bridge_vxlan_vlan_is_valid(struct net_device *br_dev)
5793 DECLARE_BITMAP(vlans, VLAN_N_VID) = {0};
5794 struct net_device *dev;
5795 struct list_head *iter;
5797 netdev_for_each_lower_dev(br_dev, dev, iter) {
5801 if (!netif_is_vxlan(dev))
5804 err = mlxsw_sp_vxlan_mapped_vid(dev, &pvid);
5808 if (test_and_set_bit(pvid, vlans))
5815 static bool mlxsw_sp_bridge_vxlan_is_valid(struct net_device *br_dev,
5816 struct netlink_ext_ack *extack)
5818 if (br_multicast_enabled(br_dev)) {
5819 NL_SET_ERR_MSG_MOD(extack, "Multicast can not be enabled on a bridge with a VxLAN device");
5823 if (!br_vlan_enabled(br_dev) &&
5824 mlxsw_sp_bridge_has_multiple_vxlans(br_dev)) {
5825 NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices are not supported in a VLAN-unaware bridge");
5829 if (br_vlan_enabled(br_dev) &&
5830 !mlxsw_sp_bridge_vxlan_vlan_is_valid(br_dev)) {
5831 NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices cannot have the same VLAN as PVID and egress untagged");
5838 static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev,
5839 struct net_device *dev,
5840 unsigned long event, void *ptr)
5842 struct netdev_notifier_changeupper_info *info;
5843 struct mlxsw_sp_port *mlxsw_sp_port;
5844 struct netlink_ext_ack *extack;
5845 struct net_device *upper_dev;
5846 struct mlxsw_sp *mlxsw_sp;
5849 mlxsw_sp_port = netdev_priv(dev);
5850 mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
5852 extack = netdev_notifier_info_to_extack(&info->info);
5855 case NETDEV_PRECHANGEUPPER:
5856 upper_dev = info->upper_dev;
5857 if (!is_vlan_dev(upper_dev) &&
5858 !netif_is_lag_master(upper_dev) &&
5859 !netif_is_bridge_master(upper_dev) &&
5860 !netif_is_ovs_master(upper_dev) &&
5861 !netif_is_macvlan(upper_dev)) {
5862 NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
5867 if (netif_is_bridge_master(upper_dev) &&
5868 !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) &&
5869 mlxsw_sp_bridge_has_vxlan(upper_dev) &&
5870 !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
5872 if (netdev_has_any_upper_dev(upper_dev) &&
5873 (!netif_is_bridge_master(upper_dev) ||
5874 !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
5876 NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported");
5879 if (netif_is_lag_master(upper_dev) &&
5880 !mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev,
5881 info->upper_info, extack))
5883 if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) {
5884 NL_SET_ERR_MSG_MOD(extack, "Master device is a LAG master and this device has a VLAN");
5887 if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) &&
5888 !netif_is_lag_master(vlan_dev_real_dev(upper_dev))) {
5889 NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on a LAG port");
5892 if (netif_is_macvlan(upper_dev) &&
5893 !mlxsw_sp_rif_exists(mlxsw_sp, lower_dev)) {
5894 NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
5897 if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) {
5898 NL_SET_ERR_MSG_MOD(extack, "Master device is an OVS master and this device has a VLAN");
5901 if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) {
5902 NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on an OVS port");
5906 case NETDEV_CHANGEUPPER:
5907 upper_dev = info->upper_dev;
5908 if (netif_is_bridge_master(upper_dev)) {
5910 err = mlxsw_sp_port_bridge_join(mlxsw_sp_port,
5915 mlxsw_sp_port_bridge_leave(mlxsw_sp_port,
5918 } else if (netif_is_lag_master(upper_dev)) {
5919 if (info->linking) {
5920 err = mlxsw_sp_port_lag_join(mlxsw_sp_port,
5923 mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port);
5924 mlxsw_sp_port_lag_leave(mlxsw_sp_port,
5927 } else if (netif_is_ovs_master(upper_dev)) {
5929 err = mlxsw_sp_port_ovs_join(mlxsw_sp_port);
5931 mlxsw_sp_port_ovs_leave(mlxsw_sp_port);
5932 } else if (netif_is_macvlan(upper_dev)) {
5934 mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
5935 } else if (is_vlan_dev(upper_dev)) {
5936 struct net_device *br_dev;
5938 if (!netif_is_bridge_port(upper_dev))
5942 br_dev = netdev_master_upper_dev_get(upper_dev);
5943 mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev,
5952 static int mlxsw_sp_netdevice_port_lower_event(struct net_device *dev,
5953 unsigned long event, void *ptr)
5955 struct netdev_notifier_changelowerstate_info *info;
5956 struct mlxsw_sp_port *mlxsw_sp_port;
5959 mlxsw_sp_port = netdev_priv(dev);
5963 case NETDEV_CHANGELOWERSTATE:
5964 if (netif_is_lag_port(dev) && mlxsw_sp_port->lagged) {
5965 err = mlxsw_sp_port_lag_changed(mlxsw_sp_port,
5966 info->lower_state_info);
5968 netdev_err(dev, "Failed to reflect link aggregation lower state change\n");
5976 static int mlxsw_sp_netdevice_port_event(struct net_device *lower_dev,
5977 struct net_device *port_dev,
5978 unsigned long event, void *ptr)
5981 case NETDEV_PRECHANGEUPPER:
5982 case NETDEV_CHANGEUPPER:
5983 return mlxsw_sp_netdevice_port_upper_event(lower_dev, port_dev,
5985 case NETDEV_CHANGELOWERSTATE:
5986 return mlxsw_sp_netdevice_port_lower_event(port_dev, event,
5993 static int mlxsw_sp_netdevice_lag_event(struct net_device *lag_dev,
5994 unsigned long event, void *ptr)
5996 struct net_device *dev;
5997 struct list_head *iter;
6000 netdev_for_each_lower_dev(lag_dev, dev, iter) {
6001 if (mlxsw_sp_port_dev_check(dev)) {
6002 ret = mlxsw_sp_netdevice_port_event(lag_dev, dev, event,
6012 static int mlxsw_sp_netdevice_port_vlan_event(struct net_device *vlan_dev,
6013 struct net_device *dev,
6014 unsigned long event, void *ptr,
6017 struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
6018 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
6019 struct netdev_notifier_changeupper_info *info = ptr;
6020 struct netlink_ext_ack *extack;
6021 struct net_device *upper_dev;
6024 extack = netdev_notifier_info_to_extack(&info->info);
6027 case NETDEV_PRECHANGEUPPER:
6028 upper_dev = info->upper_dev;
6029 if (!netif_is_bridge_master(upper_dev) &&
6030 !netif_is_macvlan(upper_dev)) {
6031 NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
6036 if (netif_is_bridge_master(upper_dev) &&
6037 !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) &&
6038 mlxsw_sp_bridge_has_vxlan(upper_dev) &&
6039 !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
6041 if (netdev_has_any_upper_dev(upper_dev) &&
6042 (!netif_is_bridge_master(upper_dev) ||
6043 !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
6045 NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported");
6048 if (netif_is_macvlan(upper_dev) &&
6049 !mlxsw_sp_rif_exists(mlxsw_sp, vlan_dev)) {
6050 NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
6054 case NETDEV_CHANGEUPPER:
6055 upper_dev = info->upper_dev;
6056 if (netif_is_bridge_master(upper_dev)) {
6058 err = mlxsw_sp_port_bridge_join(mlxsw_sp_port,
6063 mlxsw_sp_port_bridge_leave(mlxsw_sp_port,
6066 } else if (netif_is_macvlan(upper_dev)) {
6068 mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
6079 static int mlxsw_sp_netdevice_lag_port_vlan_event(struct net_device *vlan_dev,
6080 struct net_device *lag_dev,
6081 unsigned long event,
6084 struct net_device *dev;
6085 struct list_head *iter;
6088 netdev_for_each_lower_dev(lag_dev, dev, iter) {
6089 if (mlxsw_sp_port_dev_check(dev)) {
6090 ret = mlxsw_sp_netdevice_port_vlan_event(vlan_dev, dev,
6101 static int mlxsw_sp_netdevice_bridge_vlan_event(struct net_device *vlan_dev,
6102 struct net_device *br_dev,
6103 unsigned long event, void *ptr,
6106 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(vlan_dev);
6107 struct netdev_notifier_changeupper_info *info = ptr;
6108 struct netlink_ext_ack *extack;
6109 struct net_device *upper_dev;
6114 extack = netdev_notifier_info_to_extack(&info->info);
6117 case NETDEV_PRECHANGEUPPER:
6118 upper_dev = info->upper_dev;
6119 if (!netif_is_macvlan(upper_dev)) {
6120 NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
6125 if (netif_is_macvlan(upper_dev) &&
6126 !mlxsw_sp_rif_exists(mlxsw_sp, vlan_dev)) {
6127 NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
6131 case NETDEV_CHANGEUPPER:
6132 upper_dev = info->upper_dev;
6135 if (netif_is_macvlan(upper_dev))
6136 mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
6143 static int mlxsw_sp_netdevice_vlan_event(struct net_device *vlan_dev,
6144 unsigned long event, void *ptr)
6146 struct net_device *real_dev = vlan_dev_real_dev(vlan_dev);
6147 u16 vid = vlan_dev_vlan_id(vlan_dev);
6149 if (mlxsw_sp_port_dev_check(real_dev))
6150 return mlxsw_sp_netdevice_port_vlan_event(vlan_dev, real_dev,
6152 else if (netif_is_lag_master(real_dev))
6153 return mlxsw_sp_netdevice_lag_port_vlan_event(vlan_dev,
6156 else if (netif_is_bridge_master(real_dev))
6157 return mlxsw_sp_netdevice_bridge_vlan_event(vlan_dev, real_dev,
6163 static int mlxsw_sp_netdevice_bridge_event(struct net_device *br_dev,
6164 unsigned long event, void *ptr)
6166 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(br_dev);
6167 struct netdev_notifier_changeupper_info *info = ptr;
6168 struct netlink_ext_ack *extack;
6169 struct net_device *upper_dev;
6174 extack = netdev_notifier_info_to_extack(&info->info);
6177 case NETDEV_PRECHANGEUPPER:
6178 upper_dev = info->upper_dev;
6179 if (!is_vlan_dev(upper_dev) && !netif_is_macvlan(upper_dev)) {
6180 NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
6185 if (netif_is_macvlan(upper_dev) &&
6186 !mlxsw_sp_rif_exists(mlxsw_sp, br_dev)) {
6187 NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
6191 case NETDEV_CHANGEUPPER:
6192 upper_dev = info->upper_dev;
6195 if (is_vlan_dev(upper_dev))
6196 mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, upper_dev);
6197 if (netif_is_macvlan(upper_dev))
6198 mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
6205 static int mlxsw_sp_netdevice_macvlan_event(struct net_device *macvlan_dev,
6206 unsigned long event, void *ptr)
6208 struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(macvlan_dev);
6209 struct netdev_notifier_changeupper_info *info = ptr;
6210 struct netlink_ext_ack *extack;
6212 if (!mlxsw_sp || event != NETDEV_PRECHANGEUPPER)
6215 extack = netdev_notifier_info_to_extack(&info->info);
6217 /* VRF enslavement is handled in mlxsw_sp_netdevice_vrf_event() */
6218 NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
6223 static bool mlxsw_sp_is_vrf_event(unsigned long event, void *ptr)
6225 struct netdev_notifier_changeupper_info *info = ptr;
6227 if (event != NETDEV_PRECHANGEUPPER && event != NETDEV_CHANGEUPPER)
6229 return netif_is_l3_master(info->upper_dev);
6232 static int mlxsw_sp_netdevice_vxlan_event(struct mlxsw_sp *mlxsw_sp,
6233 struct net_device *dev,
6234 unsigned long event, void *ptr)
6236 struct netdev_notifier_changeupper_info *cu_info;
6237 struct netdev_notifier_info *info = ptr;
6238 struct netlink_ext_ack *extack;
6239 struct net_device *upper_dev;
6241 extack = netdev_notifier_info_to_extack(info);
6244 case NETDEV_CHANGEUPPER:
6245 cu_info = container_of(info,
6246 struct netdev_notifier_changeupper_info,
6248 upper_dev = cu_info->upper_dev;
6249 if (!netif_is_bridge_master(upper_dev))
6251 if (!mlxsw_sp_lower_get(upper_dev))
6253 if (!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
6255 if (cu_info->linking) {
6256 if (!netif_running(dev))
6258 /* When the bridge is VLAN-aware, the VNI of the VxLAN
6259 * device needs to be mapped to a VLAN, but at this
6260 * point no VLANs are configured on the VxLAN device
6262 if (br_vlan_enabled(upper_dev))
6264 return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev,
6267 /* VLANs were already flushed, which triggered the
6270 if (br_vlan_enabled(upper_dev))
6272 mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev);
6276 upper_dev = netdev_master_upper_dev_get(dev);
6279 if (!netif_is_bridge_master(upper_dev))
6281 if (!mlxsw_sp_lower_get(upper_dev))
6283 return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, dev, 0,
6286 upper_dev = netdev_master_upper_dev_get(dev);
6289 if (!netif_is_bridge_master(upper_dev))
6291 if (!mlxsw_sp_lower_get(upper_dev))
6293 mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev);
6300 static int mlxsw_sp_netdevice_event(struct notifier_block *nb,
6301 unsigned long event, void *ptr)
6303 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
6304 struct mlxsw_sp_span_entry *span_entry;
6305 struct mlxsw_sp *mlxsw_sp;
6308 mlxsw_sp = container_of(nb, struct mlxsw_sp, netdevice_nb);
6309 if (event == NETDEV_UNREGISTER) {
6310 span_entry = mlxsw_sp_span_entry_find_by_port(mlxsw_sp, dev);
6312 mlxsw_sp_span_entry_invalidate(mlxsw_sp, span_entry);
6314 mlxsw_sp_span_respin(mlxsw_sp);
6316 if (netif_is_vxlan(dev))
6317 err = mlxsw_sp_netdevice_vxlan_event(mlxsw_sp, dev, event, ptr);
6318 if (mlxsw_sp_netdev_is_ipip_ol(mlxsw_sp, dev))
6319 err = mlxsw_sp_netdevice_ipip_ol_event(mlxsw_sp, dev,
6321 else if (mlxsw_sp_netdev_is_ipip_ul(mlxsw_sp, dev))
6322 err = mlxsw_sp_netdevice_ipip_ul_event(mlxsw_sp, dev,
6324 else if (event == NETDEV_PRE_CHANGEADDR ||
6325 event == NETDEV_CHANGEADDR ||
6326 event == NETDEV_CHANGEMTU)
6327 err = mlxsw_sp_netdevice_router_port_event(dev, event, ptr);
6328 else if (mlxsw_sp_is_vrf_event(event, ptr))
6329 err = mlxsw_sp_netdevice_vrf_event(dev, event, ptr);
6330 else if (mlxsw_sp_port_dev_check(dev))
6331 err = mlxsw_sp_netdevice_port_event(dev, dev, event, ptr);
6332 else if (netif_is_lag_master(dev))
6333 err = mlxsw_sp_netdevice_lag_event(dev, event, ptr);
6334 else if (is_vlan_dev(dev))
6335 err = mlxsw_sp_netdevice_vlan_event(dev, event, ptr);
6336 else if (netif_is_bridge_master(dev))
6337 err = mlxsw_sp_netdevice_bridge_event(dev, event, ptr);
6338 else if (netif_is_macvlan(dev))
6339 err = mlxsw_sp_netdevice_macvlan_event(dev, event, ptr);
6341 return notifier_from_errno(err);
6344 static struct notifier_block mlxsw_sp_inetaddr_valid_nb __read_mostly = {
6345 .notifier_call = mlxsw_sp_inetaddr_valid_event,
6348 static struct notifier_block mlxsw_sp_inet6addr_valid_nb __read_mostly = {
6349 .notifier_call = mlxsw_sp_inet6addr_valid_event,
6352 static const struct pci_device_id mlxsw_sp1_pci_id_table[] = {
6353 {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0},
6357 static struct pci_driver mlxsw_sp1_pci_driver = {
6358 .name = mlxsw_sp1_driver_name,
6359 .id_table = mlxsw_sp1_pci_id_table,
6362 static const struct pci_device_id mlxsw_sp2_pci_id_table[] = {
6363 {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM2), 0},
6367 static struct pci_driver mlxsw_sp2_pci_driver = {
6368 .name = mlxsw_sp2_driver_name,
6369 .id_table = mlxsw_sp2_pci_id_table,
6372 static const struct pci_device_id mlxsw_sp3_pci_id_table[] = {
6373 {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM3), 0},
6377 static struct pci_driver mlxsw_sp3_pci_driver = {
6378 .name = mlxsw_sp3_driver_name,
6379 .id_table = mlxsw_sp3_pci_id_table,
6382 static int __init mlxsw_sp_module_init(void)
6386 register_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
6387 register_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
6389 err = mlxsw_core_driver_register(&mlxsw_sp1_driver);
6391 goto err_sp1_core_driver_register;
6393 err = mlxsw_core_driver_register(&mlxsw_sp2_driver);
6395 goto err_sp2_core_driver_register;
6397 err = mlxsw_core_driver_register(&mlxsw_sp3_driver);
6399 goto err_sp3_core_driver_register;
6401 err = mlxsw_pci_driver_register(&mlxsw_sp1_pci_driver);
6403 goto err_sp1_pci_driver_register;
6405 err = mlxsw_pci_driver_register(&mlxsw_sp2_pci_driver);
6407 goto err_sp2_pci_driver_register;
6409 err = mlxsw_pci_driver_register(&mlxsw_sp3_pci_driver);
6411 goto err_sp3_pci_driver_register;
6415 err_sp3_pci_driver_register:
6416 mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
6417 err_sp2_pci_driver_register:
6418 mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
6419 err_sp1_pci_driver_register:
6420 mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
6421 err_sp3_core_driver_register:
6422 mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
6423 err_sp2_core_driver_register:
6424 mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
6425 err_sp1_core_driver_register:
6426 unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
6427 unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
6431 static void __exit mlxsw_sp_module_exit(void)
6433 mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver);
6434 mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
6435 mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
6436 mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
6437 mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
6438 mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
6439 unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
6440 unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
6443 module_init(mlxsw_sp_module_init);
6444 module_exit(mlxsw_sp_module_exit);
6446 MODULE_LICENSE("Dual BSD/GPL");
6447 MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>");
6448 MODULE_DESCRIPTION("Mellanox Spectrum driver");
6449 MODULE_DEVICE_TABLE(pci, mlxsw_sp1_pci_id_table);
6450 MODULE_DEVICE_TABLE(pci, mlxsw_sp2_pci_id_table);
6451 MODULE_DEVICE_TABLE(pci, mlxsw_sp3_pci_id_table);
6452 MODULE_FIRMWARE(MLXSW_SP1_FW_FILENAME);
6453 MODULE_FIRMWARE(MLXSW_SP2_FW_FILENAME);