1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2016 Intel Corporation.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 ******************************************************************************/
32 #include <linux/types.h>
33 #include <linux/errno.h>
34 #include <linux/module.h>
35 #include <linux/pci.h>
36 #include <linux/aer.h>
37 #include <linux/netdevice.h>
38 #include <linux/ioport.h>
39 #include <linux/iommu.h>
40 #include <linux/slab.h>
41 #include <linux/list.h>
42 #include <linux/string.h>
45 #include <linux/sctp.h>
46 #include <linux/pkt_sched.h>
47 #include <linux/ipv6.h>
48 #include <net/checksum.h>
49 #include <net/ip6_checksum.h>
50 #include <linux/ethtool.h>
51 #include <linux/if_vlan.h>
52 #include <linux/if_bridge.h>
53 #include <linux/clocksource.h>
54 #include <linux/net_tstamp.h>
55 #include <linux/ptp_clock_kernel.h>
56 #include "i40e_type.h"
57 #include "i40e_prototype.h"
59 #include "i40e_fcoe.h"
61 #include "i40e_client.h"
62 #include "i40e_virtchnl.h"
63 #include "i40e_virtchnl_pf.h"
64 #include "i40e_txrx.h"
67 /* Useful i40e defaults */
68 #define I40E_MAX_VEB 16
70 #define I40E_MAX_NUM_DESCRIPTORS 4096
71 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024)
72 #define I40E_DEFAULT_NUM_DESCRIPTORS 512
73 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32
74 #define I40E_MIN_NUM_DESCRIPTORS 64
75 #define I40E_MIN_MSIX 2
76 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */
77 #define I40E_MIN_VSI_ALLOC 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */
79 #define i40e_default_queues_per_vmdq(pf) \
80 (((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1)
81 #define I40E_DEFAULT_QUEUES_PER_VF 4
82 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */
83 #define i40e_pf_get_max_q_per_tc(pf) \
84 (((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64)
85 #define I40E_FDIR_RING 0
86 #define I40E_FDIR_RING_COUNT 32
88 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */
89 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */
90 #endif /* I40E_FCOE */
91 #define I40E_MAX_AQ_BUF_SIZE 4096
92 #define I40E_AQ_LEN 256
93 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */
94 #define I40E_MAX_USER_PRIORITY 8
95 #define I40E_DEFAULT_MSG_ENABLE 4
96 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10
97 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16)
99 /* Ethtool Private Flags */
100 #define I40E_PRIV_FLAGS_NPAR_FLAG BIT(0)
101 #define I40E_PRIV_FLAGS_LINKPOLL_FLAG BIT(1)
102 #define I40E_PRIV_FLAGS_FD_ATR BIT(2)
103 #define I40E_PRIV_FLAGS_VEB_STATS BIT(3)
104 #define I40E_PRIV_FLAGS_PS BIT(4)
105 #define I40E_PRIV_FLAGS_HW_ATR_EVICT BIT(5)
107 #define I40E_NVM_VERSION_LO_SHIFT 0
108 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT)
109 #define I40E_NVM_VERSION_HI_SHIFT 12
110 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT)
111 #define I40E_OEM_VER_BUILD_MASK 0xffff
112 #define I40E_OEM_VER_PATCH_MASK 0xff
113 #define I40E_OEM_VER_BUILD_SHIFT 8
114 #define I40E_OEM_VER_SHIFT 24
115 #define I40E_PHY_DEBUG_PORT BIT(4)
117 /* The values in here are decimal coded as hex as is the case in the NVM map*/
118 #define I40E_CURRENT_NVM_VERSION_HI 0x2
119 #define I40E_CURRENT_NVM_VERSION_LO 0x40
121 /* magic for getting defines into strings */
122 #define STRINGIFY(foo) #foo
123 #define XSTRINGIFY(bar) STRINGIFY(bar)
125 #define I40E_RX_DESC(R, i) \
126 ((ring_is_16byte_desc_enabled(R)) \
127 ? (union i40e_32byte_rx_desc *) \
128 (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
129 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
130 #define I40E_TX_DESC(R, i) \
131 (&(((struct i40e_tx_desc *)((R)->desc))[i]))
132 #define I40E_TX_CTXTDESC(R, i) \
133 (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
134 #define I40E_TX_FDIRDESC(R, i) \
135 (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
137 /* default to trying for four seconds */
138 #define I40E_TRY_LINK_TIMEOUT (4 * HZ)
141 * i40e_is_mac_710 - Return true if MAC is X710/XL710
142 * @hw: ptr to the hardware info
144 static inline bool i40e_is_mac_710(struct i40e_hw *hw)
146 if ((hw->mac.type == I40E_MAC_X710) ||
147 (hw->mac.type == I40E_MAC_XL710))
153 /* driver state flags */
159 __I40E_NEEDS_RESTART,
160 __I40E_SERVICE_SCHED,
161 __I40E_ADMINQ_EVENT_PENDING,
162 __I40E_MDD_EVENT_PENDING,
163 __I40E_VFLR_EVENT_PENDING,
164 __I40E_RESET_RECOVERY_PENDING,
165 __I40E_RESET_INTR_RECEIVED,
166 __I40E_REINIT_REQUESTED,
167 __I40E_PF_RESET_REQUESTED,
168 __I40E_CORE_RESET_REQUESTED,
169 __I40E_GLOBAL_RESET_REQUESTED,
170 __I40E_EMP_RESET_REQUESTED,
171 __I40E_EMP_RESET_INTR_RECEIVED,
172 __I40E_FILTER_OVERFLOW_PROMISC,
174 __I40E_PTP_TX_IN_PROGRESS,
176 __I40E_DOWN_REQUESTED,
177 __I40E_FD_FLUSH_REQUESTED,
179 __I40E_PORT_TX_SUSPENDED,
183 enum i40e_interrupt_policy {
184 I40E_INTERRUPT_BEST_CASE,
185 I40E_INTERRUPT_MEDIUM,
186 I40E_INTERRUPT_LOWEST
189 struct i40e_lump_tracking {
193 #define I40E_PILE_VALID_BIT 0x8000
194 #define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2)
197 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20
198 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512
199 #define I40E_FDIR_BUFFER_FULL_MARGIN 10
200 #define I40E_FDIR_BUFFER_HEAD_ROOM 32
201 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
203 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
204 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
206 enum i40e_fd_stat_idx {
209 I40E_FD_STAT_ATR_TUNNEL,
210 I40E_FD_STAT_PF_COUNT
212 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
213 #define I40E_FD_ATR_STAT_IDX(pf_id) \
214 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
215 #define I40E_FD_SB_STAT_IDX(pf_id) \
216 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
217 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
218 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
220 struct i40e_fdir_filter {
221 struct hlist_node fdir_node;
222 /* filter ipnut set */
225 /* TX packet view of src and dst */
242 #define I40E_ETH_P_LLDP 0x88cc
244 #define I40E_DCB_PRIO_TYPE_STRICT 0
245 #define I40E_DCB_PRIO_TYPE_ETS 1
246 #define I40E_DCB_STRICT_PRIO_CREDITS 127
247 #define I40E_MAX_USER_PRIORITY 8
248 /* DCB per TC information data structure */
249 struct i40e_tc_info {
250 u16 qoffset; /* Queue offset from base queue */
251 u16 qcount; /* Total Queues */
252 u8 netdev_tc; /* Netdev TC index if netdev associated */
255 /* TC configuration data structure */
256 struct i40e_tc_configuration {
257 u8 numtc; /* Total number of enabled TCs */
258 u8 enabled_tc; /* TC map */
259 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
262 struct i40e_udp_port_config {
267 /* struct that defines the Ethernet device */
269 struct pci_dev *pdev;
272 struct msix_entry *msix_entries;
273 bool fc_autoneg_status;
276 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */
277 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */
278 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */
279 u16 num_req_vfs; /* num VFs requested for this VF */
280 u16 num_vf_qps; /* num queue pairs per VF */
282 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */
283 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */
284 #endif /* I40E_FCOE */
285 u16 num_lan_qps; /* num lan queues this PF has set up */
286 u16 num_lan_msix; /* num queue vectors for the base PF vsi */
287 u16 num_iwarp_msix; /* num of iwarp vectors for this PF */
288 int iwarp_base_vector;
289 int queues_left; /* queues left unclaimed */
290 u16 alloc_rss_size; /* allocated RSS queues */
291 u16 rss_size_max; /* HW defined max RSS queues */
292 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */
293 u16 num_alloc_vsi; /* num VSIs this driver supports */
297 struct hlist_head fdir_filter_list;
298 u16 fdir_pf_active_filters;
299 unsigned long fd_flush_timestamp;
305 struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
306 u16 pending_udp_bitmap;
308 enum i40e_interrupt_policy int_policy;
312 char int_name[I40E_INT_NAME_STR_LEN];
313 u16 adminq_work_limit; /* num of admin receive queue desc to process */
314 unsigned long service_timer_period;
315 unsigned long service_timer_previous;
316 struct timer_list service_timer;
317 struct work_struct service_task;
320 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1)
321 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2)
322 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3)
323 #define I40E_FLAG_RX_1BUF_ENABLED BIT_ULL(4)
324 #define I40E_FLAG_RX_PS_ENABLED BIT_ULL(5)
325 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6)
326 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7)
327 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8)
328 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9)
329 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10)
331 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11)
332 #endif /* I40E_FCOE */
333 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED BIT_ULL(13)
334 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14)
335 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15)
336 #define I40E_FLAG_SERVICE_CLIENT_REQUESTED BIT_ULL(16)
337 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17)
338 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18)
339 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19)
340 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20)
341 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21)
342 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22)
343 #define I40E_FLAG_PTP BIT_ULL(25)
344 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26)
345 #define I40E_FLAG_UDP_FILTER_SYNC BIT_ULL(27)
346 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28)
347 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29)
348 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31)
349 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32)
350 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33)
351 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34)
352 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35)
353 #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37)
354 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38)
355 #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39)
356 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40)
357 #define I40E_FLAG_GENEVE_OFFLOAD_CAPABLE BIT_ULL(41)
358 #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42)
359 #define I40E_FLAG_100M_SGMII_CAPABLE BIT_ULL(43)
360 #define I40E_FLAG_RESTART_AUTONEG BIT_ULL(44)
361 #define I40E_FLAG_NO_DCB_SUPPORT BIT_ULL(45)
362 #define I40E_FLAG_USE_SET_LLDP_MIB BIT_ULL(46)
363 #define I40E_FLAG_STOP_FW_LLDP BIT_ULL(47)
364 #define I40E_FLAG_HAVE_10GBASET_PHY BIT_ULL(48)
365 #define I40E_FLAG_PF_MAC BIT_ULL(50)
367 /* tracks features that get auto disabled by errors */
368 u64 auto_disable_flags;
371 struct i40e_fcoe fcoe;
373 #endif /* I40E_FCOE */
374 bool stat_offsets_loaded;
375 struct i40e_hw_port_stats stats;
376 struct i40e_hw_port_stats stats_offsets;
377 u32 tx_timeout_count;
378 u32 tx_timeout_recovery_level;
379 unsigned long tx_timeout_last_recovery;
380 u32 tx_sluggish_count;
381 u32 hw_csum_rx_error;
383 u16 corer_count; /* Core reset count */
384 u16 globr_count; /* Global reset count */
385 u16 empr_count; /* EMP reset count */
386 u16 pfr_count; /* PF reset count */
387 u16 sw_int_count; /* SW interrupt count */
389 struct mutex switch_mutex;
390 u16 lan_vsi; /* our default LAN VSI */
391 u16 lan_veb; /* initial relay, if exists */
392 #define I40E_NO_VEB 0xffff
393 #define I40E_NO_VSI 0xffff
394 u16 next_vsi; /* Next unallocated VSI - 0-based! */
395 struct i40e_vsi **vsi;
396 struct i40e_veb *veb[I40E_MAX_VEB];
398 struct i40e_lump_tracking *qp_pile;
399 struct i40e_lump_tracking *irq_pile;
401 /* switch config info */
405 struct kobject *switch_kobj;
406 #ifdef CONFIG_DEBUG_FS
407 struct dentry *i40e_dbg_pf;
408 #endif /* CONFIG_DEBUG_FS */
411 u16 instance; /* A unique number per i40e_pf instance in the system */
413 /* sr-iov config info */
415 int num_alloc_vfs; /* actual number of VFs allocated */
417 u32 arq_overflows; /* Not fatal, possibly indicative of problems */
419 /* DCBx/DCBNL capability for PF that indicates
420 * whether DCBx is managed by firmware or host
421 * based agent (LLDPAD). Also, indicates what
422 * flavor of DCBx protocol (IEEE/CEE) is supported
423 * by the device. For now we're supporting IEEE
428 u32 fcoe_hmc_filt_num;
429 u32 fcoe_hmc_cntx_num;
430 struct i40e_filter_control_settings filter_settings;
432 struct ptp_clock *ptp_clock;
433 struct ptp_clock_info ptp_caps;
434 struct sk_buff *ptp_tx_skb;
435 struct hwtstamp_config tstamp_config;
436 unsigned long last_rx_ptp_check;
437 spinlock_t tmreg_lock; /* Used to protect the device time registers. */
439 u32 tx_hwtstamp_timeouts;
440 u32 rx_hwtstamp_cleared;
443 u16 rss_table_size; /* HW RSS table size */
444 /* These are only valid in NPAR modes */
453 struct i40e_mac_filter {
454 struct list_head list;
455 u8 macaddr[ETH_ALEN];
456 #define I40E_VLAN_ANY -1
458 u8 counter; /* number of instances of this filter */
459 bool is_vf; /* filter belongs to a VF */
460 bool is_netdev; /* filter belongs to a netdev */
461 bool changed; /* filter needs to be sync'd to the HW */
462 bool is_laa; /* filter is a Locally Administered Address */
468 u16 veb_idx; /* index of VEB parent */
471 u16 stats_idx; /* index of VEB parent */
473 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */
478 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
479 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
480 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
481 struct kobject *kobj;
482 bool stat_offsets_loaded;
483 struct i40e_eth_stats stats;
484 struct i40e_eth_stats stats_offsets;
485 struct i40e_veb_tc_stats tc_stats;
486 struct i40e_veb_tc_stats tc_stats_offsets;
489 /* struct that defines a VSI, associated with a dev */
491 struct net_device *netdev;
492 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
493 bool netdev_registered;
494 bool stat_offsets_loaded;
496 u32 current_netdev_flags;
498 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0)
499 #define I40E_VSI_FLAG_VEB_OWNER BIT(1)
502 /* Per VSI lock to protect elements/list (MAC filter) */
503 spinlock_t mac_filter_list_lock;
504 struct list_head mac_filter_list;
507 struct rtnl_link_stats64 net_stats;
508 struct rtnl_link_stats64 net_stats_offsets;
509 struct i40e_eth_stats eth_stats;
510 struct i40e_eth_stats eth_stats_offsets;
512 struct i40e_fcoe_stats fcoe_stats;
513 struct i40e_fcoe_stats fcoe_stats_offsets;
514 bool fcoe_stat_offsets_loaded;
520 u64 tx_lost_interrupt;
524 /* These are containers of ring pointers, allocated at run-time */
525 struct i40e_ring **rx_rings;
526 struct i40e_ring **tx_rings;
529 u16 int_rate_limit; /* value in usecs */
531 u16 rss_table_size; /* HW RSS table size */
532 u16 rss_size; /* Allocated RSS queues */
533 u8 *rss_hkey_user; /* User configured hash keys */
534 u8 *rss_lut_user; /* User configured lookup table entries */
541 /* List of q_vectors allocated to this VSI */
542 struct i40e_q_vector **q_vectors;
547 u16 seid; /* HW index of this VSI (absolute index) */
548 u16 id; /* VSI number */
551 u16 base_queue; /* vsi's first queue in hw array */
552 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
553 u16 req_queue_pairs; /* User requested queue pairs */
554 u16 num_queue_pairs; /* Used tx and rx pairs */
556 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */
557 u16 vf_id; /* Virtual function ID for SRIOV VSIs */
559 struct i40e_tc_configuration tc_config;
560 struct i40e_aqc_vsi_properties_data info;
562 /* VSI BW limit (absolute across all TCs) */
563 u16 bw_limit; /* VSI BW Limit (0 = disabled) */
564 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */
566 /* Relative TC credits across VSIs */
567 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
568 /* TC BW limit credits within VSI */
569 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
570 /* TC BW limit max quanta within VSI */
571 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
573 struct i40e_pf *back; /* Backreference to associated PF */
574 u16 idx; /* index in pf->vsi[] */
575 u16 veb_idx; /* index of VEB parent */
576 struct kobject *kobj; /* sysfs object */
577 bool current_isup; /* Sync 'link up' logging */
579 void *priv; /* client driver data reference. */
581 /* VSI specific handlers */
582 irqreturn_t (*irq_handler)(int irq, void *data);
584 /* current rxnfc data */
585 struct ethtool_rxnfc rxnfc; /* current rss hash opts */
586 } ____cacheline_internodealigned_in_smp;
588 struct i40e_netdev_priv {
589 struct i40e_vsi *vsi;
592 /* struct that defines an interrupt vector */
593 struct i40e_q_vector {
594 struct i40e_vsi *vsi;
596 u16 v_idx; /* index in the vsi->q_vector array. */
597 u16 reg_idx; /* register index of the interrupt */
599 struct napi_struct napi;
601 struct i40e_ring_container rx;
602 struct i40e_ring_container tx;
604 u8 num_ringpairs; /* total number of ring pairs in vector */
606 #define I40E_Q_VECTOR_HUNG_DETECT 0 /* Bit Index for hung detection logic */
607 unsigned long hung_detected; /* Set/Reset for hung_detection logic */
609 cpumask_t affinity_mask;
610 struct rcu_head rcu; /* to avoid race with update stats on free */
611 char name[I40E_INT_NAME_STR_LEN];
613 #define ITR_COUNTDOWN_START 100
614 u8 itr_countdown; /* when 0 should adjust ITR */
615 } ____cacheline_internodealigned_in_smp;
619 struct list_head list;
624 * i40e_nvm_version_str - format the NVM version strings
625 * @hw: ptr to the hardware info
627 static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
634 full_ver = hw->nvm.oem_ver;
635 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
636 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) &
637 I40E_OEM_VER_BUILD_MASK);
638 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
640 snprintf(buf, sizeof(buf),
641 "%x.%02x 0x%x %d.%d.%d",
642 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
643 I40E_NVM_VERSION_HI_SHIFT,
644 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
645 I40E_NVM_VERSION_LO_SHIFT,
646 hw->nvm.eetrack, ver, build, patch);
652 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
653 * @netdev: the corresponding netdev
655 * Return the PF struct for the given netdev
657 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
659 struct i40e_netdev_priv *np = netdev_priv(netdev);
660 struct i40e_vsi *vsi = np->vsi;
665 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
666 irqreturn_t (*irq_handler)(int, void *))
668 vsi->irq_handler = irq_handler;
672 * i40e_rx_is_programming_status - check for programming status descriptor
673 * @qw: the first quad word of the program status descriptor
675 * The value of in the descriptor length field indicate if this
676 * is a programming status descriptor for flow director or FCoE
677 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
678 * it is a packet descriptor.
680 static inline bool i40e_rx_is_programming_status(u64 qw)
682 return I40E_RX_PROG_STATUS_DESC_LENGTH ==
683 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
687 * i40e_get_fd_cnt_all - get the total FD filter space available
688 * @pf: pointer to the PF struct
690 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
692 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
695 /* needed by i40e_ethtool.c */
696 int i40e_up(struct i40e_vsi *vsi);
697 void i40e_down(struct i40e_vsi *vsi);
698 extern const char i40e_driver_name[];
699 extern const char i40e_driver_version_str[];
700 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
701 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
702 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
703 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
704 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
705 void i40e_update_stats(struct i40e_vsi *vsi);
706 void i40e_update_eth_stats(struct i40e_vsi *vsi);
707 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
708 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
711 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
712 struct i40e_pf *pf, bool add);
713 int i40e_add_del_fdir(struct i40e_vsi *vsi,
714 struct i40e_fdir_filter *input, bool add);
715 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
716 u32 i40e_get_current_fd_count(struct i40e_pf *pf);
717 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
718 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
719 u32 i40e_get_global_fd_count(struct i40e_pf *pf);
720 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
721 void i40e_set_ethtool_ops(struct net_device *netdev);
722 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
723 u8 *macaddr, s16 vlan,
724 bool is_vf, bool is_netdev);
725 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
726 bool is_vf, bool is_netdev);
727 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
728 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
729 u16 uplink, u32 param1);
730 int i40e_vsi_release(struct i40e_vsi *vsi);
731 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
732 struct i40e_vsi *start_vsi);
734 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
735 struct i40e_vsi_context *ctxt,
736 u8 enabled_tc, bool is_add);
738 void i40e_service_event_schedule(struct i40e_pf *pf);
739 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id,
742 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
743 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
744 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
745 u16 downlink_seid, u8 enabled_tc);
746 void i40e_veb_release(struct i40e_veb *veb);
748 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
749 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
750 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
751 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
752 void i40e_pf_reset_stats(struct i40e_pf *pf);
753 #ifdef CONFIG_DEBUG_FS
754 void i40e_dbg_pf_init(struct i40e_pf *pf);
755 void i40e_dbg_pf_exit(struct i40e_pf *pf);
756 void i40e_dbg_init(void);
757 void i40e_dbg_exit(void);
759 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
760 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
761 static inline void i40e_dbg_init(void) {}
762 static inline void i40e_dbg_exit(void) {}
763 #endif /* CONFIG_DEBUG_FS*/
764 /* needed by client drivers */
765 int i40e_lan_add_device(struct i40e_pf *pf);
766 int i40e_lan_del_device(struct i40e_pf *pf);
767 void i40e_client_subtask(struct i40e_pf *pf);
768 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi);
769 void i40e_notify_client_of_netdev_open(struct i40e_vsi *vsi);
770 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset);
771 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs);
772 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id);
773 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id,
774 enum i40e_client_type type);
776 * i40e_irq_dynamic_enable - Enable default interrupt generation settings
777 * @vsi: pointer to a vsi
778 * @vector: enable a particular Hw Interrupt vector, without base_vector
780 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
782 struct i40e_pf *pf = vsi->back;
783 struct i40e_hw *hw = &pf->hw;
786 /* definitely clear the PBA here, as this function is meant to
787 * clean out all previous interrupts AND enable the interrupt
789 val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
790 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
791 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
792 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
796 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
797 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf, bool clearpba);
799 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
800 struct net_device *netdev,
801 struct rtnl_link_stats64 *storage);
802 int i40e_set_mac(struct net_device *netdev, void *p);
803 void i40e_set_rx_mode(struct net_device *netdev);
805 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
807 void i40e_tx_timeout(struct net_device *netdev);
808 int i40e_vlan_rx_add_vid(struct net_device *netdev,
809 __always_unused __be16 proto, u16 vid);
810 int i40e_vlan_rx_kill_vid(struct net_device *netdev,
811 __always_unused __be16 proto, u16 vid);
813 int i40e_open(struct net_device *netdev);
814 int i40e_vsi_open(struct i40e_vsi *vsi);
815 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
816 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
817 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
818 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
819 bool is_vf, bool is_netdev);
820 int i40e_del_mac_all_vlan(struct i40e_vsi *vsi, u8 *macaddr,
821 bool is_vf, bool is_netdev);
822 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
823 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
824 bool is_vf, bool is_netdev);
826 int i40e_close(struct net_device *netdev);
827 int __i40e_setup_tc(struct net_device *netdev, u32 handle, __be16 proto,
828 struct tc_to_netdev *tc);
829 void i40e_netpoll(struct net_device *netdev);
830 int i40e_fcoe_enable(struct net_device *netdev);
831 int i40e_fcoe_disable(struct net_device *netdev);
832 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
833 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
834 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
835 void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
836 void i40e_init_pf_fcoe(struct i40e_pf *pf);
837 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
838 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
839 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
840 union i40e_rx_desc *rx_desc,
841 struct sk_buff *skb);
842 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
843 union i40e_rx_desc *rx_desc, u8 prog_id);
844 #endif /* I40E_FCOE */
845 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
846 #ifdef CONFIG_I40E_DCB
847 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
848 struct i40e_dcbx_config *old_cfg,
849 struct i40e_dcbx_config *new_cfg);
850 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
851 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
852 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
853 struct i40e_dcbx_config *old_cfg,
854 struct i40e_dcbx_config *new_cfg);
855 #endif /* CONFIG_I40E_DCB */
856 void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
857 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
858 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
859 void i40e_ptp_set_increment(struct i40e_pf *pf);
860 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
861 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
862 void i40e_ptp_init(struct i40e_pf *pf);
863 void i40e_ptp_stop(struct i40e_pf *pf);
864 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
865 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf);
866 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf);
867 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf);
868 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
869 #endif /* _I40E_H_ */