2 * This file is part of the Chelsio T4 Ethernet driver for Linux.
4 * Copyright (c) 2003-2016 Chelsio Communications, Inc. All rights reserved.
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
40 #include <linux/bitops.h>
41 #include <linux/cache.h>
42 #include <linux/interrupt.h>
43 #include <linux/list.h>
44 #include <linux/netdevice.h>
45 #include <linux/pci.h>
46 #include <linux/spinlock.h>
47 #include <linux/timer.h>
48 #include <linux/vmalloc.h>
49 #include <linux/rhashtable.h>
50 #include <linux/etherdevice.h>
51 #include <linux/net_tstamp.h>
52 #include <linux/ptp_clock_kernel.h>
53 #include <linux/ptp_classify.h>
54 #include <linux/crash_dump.h>
55 #include <linux/thermal.h>
57 #include "t4_chip_type.h"
58 #include "cxgb4_uld.h"
61 #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
62 extern struct list_head adapter_list;
63 extern struct mutex uld_mutex;
65 /* Suspend an Ethernet Tx queue with fewer available descriptors than this.
66 * This is the same as calc_tx_descs() for a TSO packet with
67 * nr_frags == MAX_SKB_FRAGS.
69 #define ETHTXQ_STOP_THRES \
70 (1 + DIV_ROUND_UP((3 * MAX_SKB_FRAGS) / 2 + (MAX_SKB_FRAGS & 1), 8))
72 #define FW_PARAM_DEV(param) \
73 (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) | \
74 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_##param))
76 #define FW_PARAM_PFVF(param) \
77 (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) | \
78 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_##param) | \
79 FW_PARAMS_PARAM_Y_V(0) | \
80 FW_PARAMS_PARAM_Z_V(0))
83 MAX_NPORTS = 4, /* max # of ports */
84 SERNUM_LEN = 24, /* Serial # length */
85 EC_LEN = 16, /* E/C length */
86 ID_LEN = 16, /* ID length */
87 PN_LEN = 16, /* Part Number length */
88 MACADDR_LEN = 12, /* MAC Address length */
92 T4_REGMAP_SIZE = (160 * 1024),
93 T5_REGMAP_SIZE = (332 * 1024),
106 MEMWIN0_APERTURE = 2048,
107 MEMWIN0_BASE = 0x1b800,
108 MEMWIN1_APERTURE = 32768,
109 MEMWIN1_BASE = 0x28000,
110 MEMWIN1_BASE_T5 = 0x52000,
111 MEMWIN2_APERTURE = 65536,
112 MEMWIN2_BASE = 0x30000,
113 MEMWIN2_APERTURE_T5 = 131072,
114 MEMWIN2_BASE_T5 = 0x60000,
132 PAUSE_AUTONEG = 1 << 2
136 FEC_AUTO = 1 << 0, /* IEEE 802.3 "automatic" */
137 FEC_RS = 1 << 1, /* Reed-Solomon */
138 FEC_BASER_RS = 1 << 2 /* BaseR/Reed-Solomon */
142 u64 tx_octets; /* total # of octets in good frames */
143 u64 tx_frames; /* all good frames */
144 u64 tx_bcast_frames; /* all broadcast frames */
145 u64 tx_mcast_frames; /* all multicast frames */
146 u64 tx_ucast_frames; /* all unicast frames */
147 u64 tx_error_frames; /* all error frames */
149 u64 tx_frames_64; /* # of Tx frames in a particular range */
150 u64 tx_frames_65_127;
151 u64 tx_frames_128_255;
152 u64 tx_frames_256_511;
153 u64 tx_frames_512_1023;
154 u64 tx_frames_1024_1518;
155 u64 tx_frames_1519_max;
157 u64 tx_drop; /* # of dropped Tx frames */
158 u64 tx_pause; /* # of transmitted pause frames */
159 u64 tx_ppp0; /* # of transmitted PPP prio 0 frames */
160 u64 tx_ppp1; /* # of transmitted PPP prio 1 frames */
161 u64 tx_ppp2; /* # of transmitted PPP prio 2 frames */
162 u64 tx_ppp3; /* # of transmitted PPP prio 3 frames */
163 u64 tx_ppp4; /* # of transmitted PPP prio 4 frames */
164 u64 tx_ppp5; /* # of transmitted PPP prio 5 frames */
165 u64 tx_ppp6; /* # of transmitted PPP prio 6 frames */
166 u64 tx_ppp7; /* # of transmitted PPP prio 7 frames */
168 u64 rx_octets; /* total # of octets in good frames */
169 u64 rx_frames; /* all good frames */
170 u64 rx_bcast_frames; /* all broadcast frames */
171 u64 rx_mcast_frames; /* all multicast frames */
172 u64 rx_ucast_frames; /* all unicast frames */
173 u64 rx_too_long; /* # of frames exceeding MTU */
174 u64 rx_jabber; /* # of jabber frames */
175 u64 rx_fcs_err; /* # of received frames with bad FCS */
176 u64 rx_len_err; /* # of received frames with length error */
177 u64 rx_symbol_err; /* symbol errors */
178 u64 rx_runt; /* # of short frames */
180 u64 rx_frames_64; /* # of Rx frames in a particular range */
181 u64 rx_frames_65_127;
182 u64 rx_frames_128_255;
183 u64 rx_frames_256_511;
184 u64 rx_frames_512_1023;
185 u64 rx_frames_1024_1518;
186 u64 rx_frames_1519_max;
188 u64 rx_pause; /* # of received pause frames */
189 u64 rx_ppp0; /* # of received PPP prio 0 frames */
190 u64 rx_ppp1; /* # of received PPP prio 1 frames */
191 u64 rx_ppp2; /* # of received PPP prio 2 frames */
192 u64 rx_ppp3; /* # of received PPP prio 3 frames */
193 u64 rx_ppp4; /* # of received PPP prio 4 frames */
194 u64 rx_ppp5; /* # of received PPP prio 5 frames */
195 u64 rx_ppp6; /* # of received PPP prio 6 frames */
196 u64 rx_ppp7; /* # of received PPP prio 7 frames */
198 u64 rx_ovflow0; /* drops due to buffer-group 0 overflows */
199 u64 rx_ovflow1; /* drops due to buffer-group 1 overflows */
200 u64 rx_ovflow2; /* drops due to buffer-group 2 overflows */
201 u64 rx_ovflow3; /* drops due to buffer-group 3 overflows */
202 u64 rx_trunc0; /* buffer-group 0 truncated packets */
203 u64 rx_trunc1; /* buffer-group 1 truncated packets */
204 u64 rx_trunc2; /* buffer-group 2 truncated packets */
205 u64 rx_trunc3; /* buffer-group 3 truncated packets */
208 struct lb_port_stats {
221 u64 frames_1024_1518;
236 struct tp_tcp_stats {
240 u64 tcp_retrans_segs;
243 struct tp_usm_stats {
249 struct tp_fcoe_stats {
255 struct tp_err_stats {
259 u32 tnl_cong_drops[4];
260 u32 ofld_chan_drops[4];
262 u32 ofld_vlan_drops[4];
268 struct tp_cpl_stats {
273 struct tp_rdma_stats {
279 u32 hps; /* host page size for our PF/VF */
280 u32 eq_qpp; /* egress queues/page for our PF/VF */
281 u32 iq_qpp; /* egress queues/page for our PF/VF */
285 unsigned int tre; /* log2 of core clocks per TP tick */
286 unsigned int la_mask; /* what events are recorded by TP LA */
287 unsigned short tx_modq_map; /* TX modulation scheduler queue to */
290 uint32_t dack_re; /* DACK timer resolution */
291 unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */
293 u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */
295 u32 ingress_config; /* cached TP_INGRESS_CONFIG */
297 /* cached TP_OUT_CONFIG compressed error vector
298 * and passing outer header info for encapsulated packets.
302 /* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets. This is a
303 * subset of the set of fields which may be present in the Compressed
304 * Filter Tuple portion of filters and TCP TCB connections. The
305 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
306 * Since a variable number of fields may or may not be present, their
307 * shifted field positions within the Compressed Filter Tuple may
308 * vary, or not even be present if the field isn't selected in
309 * TP_VLAN_PRI_MAP. Since some of these fields are needed in various
310 * places we store their offsets here, or a -1 if the field isn't
324 u64 hash_filter_mask;
330 u8 sn[SERNUM_LEN + 1];
333 u8 na[MACADDR_LEN + 1];
336 /* Maximum resources provisioned for a PCI PF.
338 struct pf_resources {
339 unsigned int nvi; /* N virtual interfaces */
340 unsigned int neq; /* N egress Qs */
341 unsigned int nethctrl; /* N egress ETH or CTRL Qs */
342 unsigned int niqflint; /* N ingress Qs/w free list(s) & intr */
343 unsigned int niq; /* N ingress Qs */
344 unsigned int tc; /* PCI-E traffic class */
345 unsigned int pmask; /* port access rights mask */
346 unsigned int nexactf; /* N exact MPS filters */
347 unsigned int r_caps; /* read capabilities */
348 unsigned int wx_caps; /* write/execute capabilities */
352 unsigned int vpd_cap_addr;
357 struct devlog_params {
358 u32 memtype; /* which memory (EDC0, EDC1, MC) */
359 u32 start; /* start of log in firmware memory */
360 u32 size; /* size of log */
363 /* Stores chip specific parameters */
364 struct arch_specific_params {
367 u8 cng_ch_bits_log; /* congestion channel map bits width */
374 struct adapter_params {
375 struct sge_params sge;
377 struct vpd_params vpd;
378 struct pf_resources pfres;
379 struct pci_params pci;
380 struct devlog_params devlog;
381 enum pcie_memwin drv_memwin;
383 unsigned int cim_la_size;
385 unsigned int sf_size; /* serial flash size in bytes */
386 unsigned int sf_nsec; /* # of flash sectors */
388 unsigned int fw_vers; /* firmware version */
389 unsigned int bs_vers; /* bootstrap version */
390 unsigned int tp_vers; /* TP microcode version */
391 unsigned int er_vers; /* expansion ROM version */
392 unsigned int scfg_vers; /* Serial Configuration version */
393 unsigned int vpd_vers; /* VPD Version */
396 unsigned short mtus[NMTUS];
397 unsigned short a_wnd[NCCTRL_WIN];
398 unsigned short b_wnd[NCCTRL_WIN];
400 unsigned char nports; /* # of ethernet ports */
401 unsigned char portvec;
402 enum chip_type chip; /* chip code */
403 struct arch_specific_params arch; /* chip specific params */
404 unsigned char offload;
405 unsigned char crypto; /* HW capability for crypto */
406 unsigned char ethofld; /* QoS support */
408 unsigned char bypass;
409 unsigned char hash_filter;
411 unsigned int ofldq_wr_cred;
412 bool ulptx_memwrite_dsgl; /* use of T5 DSGL allowed */
414 unsigned int nsched_cls; /* number of traffic classes */
415 unsigned int max_ordird_qp; /* Max read depth per RDMA QP */
416 unsigned int max_ird_adapter; /* Max read depth per adapter */
417 bool fr_nsmr_tpte_wr_support; /* FW support for FR_NSMR_TPTE_WR */
418 u8 fw_caps_support; /* 32-bit Port Capabilities */
419 bool filter2_wr_support; /* FW support for FILTER2_WR */
420 unsigned int viid_smt_extn_support:1; /* FW returns vin and smt index */
422 /* MPS Buffer Group Map[per Port]. Bit i is set if buffer group i is
425 u8 mps_bg_map[MAX_NPORTS]; /* MPS Buffer Group Map */
426 bool write_w_imm_support; /* FW supports WRITE_WITH_IMMEDIATE */
427 bool write_cmpl_support; /* FW supports WRITE_CMPL */
430 /* State needed to monitor the forward progress of SGE Ingress DMA activities
431 * and possible hangs.
433 struct sge_idma_monitor_state {
434 unsigned int idma_1s_thresh; /* 1s threshold in Core Clock ticks */
435 unsigned int idma_stalled[2]; /* synthesized stalled timers in HZ */
436 unsigned int idma_state[2]; /* IDMA Hang detect state */
437 unsigned int idma_qid[2]; /* IDMA Hung Ingress Queue ID */
438 unsigned int idma_warn[2]; /* time to warning in HZ */
441 /* Firmware Mailbox Command/Reply log. All values are in Host-Endian format.
442 * The access and execute times are signed in order to accommodate negative
446 u64 cmd[MBOX_LEN / 8]; /* a Firmware Mailbox Command/Reply */
447 u64 timestamp; /* OS-dependent timestamp */
448 u32 seqno; /* sequence number */
449 s16 access; /* time (ms) to access mailbox */
450 s16 execute; /* time (ms) to execute */
453 struct mbox_cmd_log {
454 unsigned int size; /* number of entries in the log */
455 unsigned int cursor; /* next position in the log to write */
456 u32 seqno; /* next sequence number */
457 /* variable length mailbox command log starts here */
460 /* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
461 * return a pointer to the specified entry.
463 static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
464 unsigned int entry_idx)
466 return &((struct mbox_cmd *)&(log)[1])[entry_idx];
469 #define FW_VERSION(chip) ( \
470 FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
471 FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
472 FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
473 FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
474 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
480 struct fw_hdr fw_hdr;
483 struct trace_params {
484 u32 data[TRACE_LEN / 4];
485 u32 mask[TRACE_LEN / 4];
486 unsigned short snap_len;
487 unsigned short min_len;
488 unsigned char skip_ofst;
489 unsigned char skip_len;
490 unsigned char invert;
494 /* Firmware Port Capabilities types. */
496 typedef u16 fw_port_cap16_t; /* 16-bit Port Capabilities integral value */
497 typedef u32 fw_port_cap32_t; /* 32-bit Port Capabilities integral value */
500 FW_CAPS_UNKNOWN = 0, /* 0'ed out initial state */
501 FW_CAPS16 = 1, /* old Firmware: 16-bit Port Capabilities */
502 FW_CAPS32 = 2, /* new Firmware: 32-bit Port Capabilities */
506 fw_port_cap32_t pcaps; /* link capabilities */
507 fw_port_cap32_t def_acaps; /* default advertised capabilities */
508 fw_port_cap32_t acaps; /* advertised capabilities */
509 fw_port_cap32_t lpacaps; /* peer advertised capabilities */
511 fw_port_cap32_t speed_caps; /* speed(s) user has requested */
512 unsigned int speed; /* actual link speed (Mb/s) */
514 enum cc_pause requested_fc; /* flow control user has requested */
515 enum cc_pause fc; /* actual link flow control */
516 enum cc_pause advertised_fc; /* actual advertised flow control */
518 enum cc_fec requested_fec; /* Forward Error Correction: */
519 enum cc_fec fec; /* requested and actual in use */
521 unsigned char autoneg; /* autonegotiating? */
523 unsigned char link_ok; /* link up? */
524 unsigned char link_down_rc; /* link down reason */
526 bool new_module; /* ->OS Transceiver Module inserted */
527 bool redo_l1cfg; /* ->CC redo current "sticky" L1 CFG */
530 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
533 MAX_ETH_QSETS = 32, /* # of Ethernet Tx/Rx queue sets */
534 MAX_OFLD_QSETS = 16, /* # of offload Tx, iscsi Rx queue sets */
535 MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */
539 MAX_TXQ_ENTRIES = 16384,
540 MAX_CTRL_TXQ_ENTRIES = 1024,
541 MAX_RSPQ_ENTRIES = 16384,
542 MAX_RX_BUFFERS = 16384,
543 MIN_TXQ_ENTRIES = 32,
544 MIN_CTRL_TXQ_ENTRIES = 32,
545 MIN_RSPQ_ENTRIES = 128,
550 MAX_TXQ_DESC_SIZE = 64,
551 MAX_RXQ_DESC_SIZE = 128,
552 MAX_FL_DESC_SIZE = 8,
553 MAX_CTRL_TXQ_DESC_SIZE = 64,
557 INGQ_EXTRAS = 2, /* firmware event queue and */
558 /* forwarded interrupts */
559 MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS,
563 PRIV_FLAG_PORT_TX_VM_BIT,
566 #define PRIV_FLAG_PORT_TX_VM BIT(PRIV_FLAG_PORT_TX_VM_BIT)
568 #define PRIV_FLAGS_ADAP 0
569 #define PRIV_FLAGS_PORT PRIV_FLAG_PORT_TX_VM
574 #include "cxgb4_dcb.h"
576 #ifdef CONFIG_CHELSIO_T4_FCOE
577 #include "cxgb4_fcoe.h"
578 #endif /* CONFIG_CHELSIO_T4_FCOE */
581 struct adapter *adapter;
583 int xact_addr_filt; /* index of exact MAC address filter */
584 u16 rss_size; /* size of VI's RSS table slice */
586 enum fw_port_type port_type;
590 u8 lport; /* associated offload logical port */
591 u8 nqsets; /* # of qsets */
592 u8 first_qset; /* index of first qset */
594 struct link_config link_cfg;
596 struct port_stats stats_base;
597 #ifdef CONFIG_CHELSIO_T4_DCB
598 struct port_dcb_info dcb; /* Data Center Bridging support */
600 #ifdef CONFIG_CHELSIO_T4_FCOE
601 struct cxgb_fcoe fcoe;
602 #endif /* CONFIG_CHELSIO_T4_FCOE */
603 bool rxtstamp; /* Enable TS */
604 struct hwtstamp_config tstamp_config;
606 struct sched_table *sched_tbl;
609 /* viid and smt fields either returned by fw
610 * or decoded by parsing viid by driver.
617 bool tc_block_shared;
623 enum { /* adapter flags */
624 CXGB4_FULL_INIT_DONE = (1 << 0),
625 CXGB4_DEV_ENABLED = (1 << 1),
626 CXGB4_USING_MSI = (1 << 2),
627 CXGB4_USING_MSIX = (1 << 3),
628 CXGB4_FW_OK = (1 << 4),
629 CXGB4_RSS_TNLALLLOOKUP = (1 << 5),
630 CXGB4_USING_SOFT_PARAMS = (1 << 6),
631 CXGB4_MASTER_PF = (1 << 7),
632 CXGB4_FW_OFLD_CONN = (1 << 9),
633 CXGB4_ROOT_NO_RELAXED_ORDERING = (1 << 10),
634 CXGB4_SHUTTING_DOWN = (1 << 11),
635 CXGB4_SGE_DBQ_TIMER = (1 << 12),
639 ULP_CRYPTO_LOOKASIDE = 1 << 0,
640 ULP_CRYPTO_IPSEC_INLINE = 1 << 1,
641 ULP_CRYPTO_KTLS_INLINE = 1 << 3,
646 struct sge_fl { /* SGE free-buffer queue state */
647 unsigned int avail; /* # of available Rx buffers */
648 unsigned int pend_cred; /* new buffers since last FL DB ring */
649 unsigned int cidx; /* consumer index */
650 unsigned int pidx; /* producer index */
651 unsigned long alloc_failed; /* # of times buffer allocation failed */
652 unsigned long large_alloc_failed;
653 unsigned long mapping_err; /* # of RX Buffer DMA Mapping failures */
654 unsigned long low; /* # of times momentarily starving */
655 unsigned long starving;
657 unsigned int cntxt_id; /* SGE context id for the free list */
658 unsigned int size; /* capacity of free list */
659 struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */
660 __be64 *desc; /* address of HW Rx descriptor ring */
661 dma_addr_t addr; /* bus address of HW ring start */
662 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
663 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
666 /* A packet gather list */
668 u64 sgetstamp; /* SGE Time Stamp for Ingress Packet */
669 struct page_frag frags[MAX_SKB_FRAGS];
670 void *va; /* virtual address of first byte */
671 unsigned int nfrags; /* # of fragments */
672 unsigned int tot_len; /* total length of fragments */
675 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
676 const struct pkt_gl *gl);
677 typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
678 /* LRO related declarations for ULD */
680 #define MAX_LRO_SESSIONS 64
681 u8 lro_session_cnt; /* # of sessions to aggregate */
682 unsigned long lro_pkts; /* # of LRO super packets */
683 unsigned long lro_merged; /* # of wire packets merged by LRO */
684 struct sk_buff_head lroq; /* list of aggregated sessions */
687 struct sge_rspq { /* state for an SGE response queue */
688 struct napi_struct napi;
689 const __be64 *cur_desc; /* current descriptor in queue */
690 unsigned int cidx; /* consumer index */
691 u8 gen; /* current generation bit */
692 u8 intr_params; /* interrupt holdoff parameters */
693 u8 next_intr_params; /* holdoff params for next interrupt */
695 u8 pktcnt_idx; /* interrupt packet threshold */
696 u8 uld; /* ULD handling this queue */
697 u8 idx; /* queue index within its group */
698 int offset; /* offset into current Rx buffer */
699 u16 cntxt_id; /* SGE context id for the response q */
700 u16 abs_id; /* absolute SGE id for the response q */
701 __be64 *desc; /* address of HW response ring */
702 dma_addr_t phys_addr; /* physical address of the ring */
703 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
704 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
705 unsigned int iqe_len; /* entry size */
706 unsigned int size; /* capacity of response queue */
707 struct adapter *adap;
708 struct net_device *netdev; /* associated net device */
709 rspq_handler_t handler;
710 rspq_flush_handler_t flush_handler;
711 struct t4_lro_mgr lro_mgr;
714 struct sge_eth_stats { /* Ethernet queue statistics */
715 unsigned long pkts; /* # of ethernet packets */
716 unsigned long lro_pkts; /* # of LRO super packets */
717 unsigned long lro_merged; /* # of wire packets merged by LRO */
718 unsigned long rx_cso; /* # of Rx checksum offloads */
719 unsigned long vlan_ex; /* # of Rx VLAN extractions */
720 unsigned long rx_drops; /* # of packets dropped due to no mem */
721 unsigned long bad_rx_pkts; /* # of packets with err_vec!=0 */
724 struct sge_eth_rxq { /* SW Ethernet Rx queue */
725 struct sge_rspq rspq;
727 struct sge_eth_stats stats;
728 struct msix_info *msix;
729 } ____cacheline_aligned_in_smp;
731 struct sge_ofld_stats { /* offload queue statistics */
732 unsigned long pkts; /* # of packets */
733 unsigned long imm; /* # of immediate-data packets */
734 unsigned long an; /* # of asynchronous notifications */
735 unsigned long nomem; /* # of responses deferred due to no mem */
738 struct sge_ofld_rxq { /* SW offload Rx queue */
739 struct sge_rspq rspq;
741 struct sge_ofld_stats stats;
742 struct msix_info *msix;
743 } ____cacheline_aligned_in_smp;
752 struct sk_buff *skb; /* SKB to free after getting completion */
753 dma_addr_t addr[MAX_SKB_FRAGS + 1]; /* DMA mapped addresses */
757 unsigned int in_use; /* # of in-use Tx descriptors */
758 unsigned int q_type; /* Q type Eth/Ctrl/Ofld */
759 unsigned int size; /* # of descriptors */
760 unsigned int cidx; /* SW consumer index */
761 unsigned int pidx; /* producer index */
762 unsigned long stops; /* # of times q has been stopped */
763 unsigned long restarts; /* # of queue restarts */
764 unsigned int cntxt_id; /* SGE context id for the Tx q */
765 struct tx_desc *desc; /* address of HW Tx descriptor ring */
766 struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */
767 struct sge_qstat *stat; /* queue status entry */
768 dma_addr_t phys_addr; /* physical address of the ring */
771 unsigned short db_pidx;
772 unsigned short db_pidx_inc;
773 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
774 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
777 struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */
779 struct netdev_queue *txq; /* associated netdev TX queue */
780 #ifdef CONFIG_CHELSIO_T4_DCB
781 u8 dcb_prio; /* DCB Priority bound to queue */
783 u8 dbqt; /* SGE Doorbell Queue Timer in use */
784 unsigned int dbqtimerix; /* SGE Doorbell Queue Timer Index */
785 unsigned long tso; /* # of TSO requests */
786 unsigned long uso; /* # of USO requests */
787 unsigned long tx_cso; /* # of Tx checksum offloads */
788 unsigned long vlan_ins; /* # of Tx VLAN insertions */
789 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
790 } ____cacheline_aligned_in_smp;
792 struct sge_uld_txq { /* state for an SGE offload Tx queue */
794 struct adapter *adap;
795 struct sk_buff_head sendq; /* list of backpressured packets */
796 struct tasklet_struct qresume_tsk; /* restarts the queue */
797 bool service_ofldq_running; /* service_ofldq() is processing sendq */
798 u8 full; /* the Tx ring is full */
799 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
800 } ____cacheline_aligned_in_smp;
802 struct sge_ctrl_txq { /* state for an SGE control Tx queue */
804 struct adapter *adap;
805 struct sk_buff_head sendq; /* list of backpressured packets */
806 struct tasklet_struct qresume_tsk; /* restarts the queue */
807 u8 full; /* the Tx ring is full */
808 } ____cacheline_aligned_in_smp;
810 struct sge_uld_rxq_info {
811 char name[IFNAMSIZ]; /* name of ULD driver */
812 struct sge_ofld_rxq *uldrxq; /* Rxq's for ULD */
813 u16 *rspq_id; /* response queue id's of rxq */
814 u16 nrxq; /* # of ingress uld queues */
815 u16 nciq; /* # of completion queues */
816 u8 uld; /* uld type */
819 struct sge_uld_txq_info {
820 struct sge_uld_txq *uldtxq; /* Txq's for ULD */
821 atomic_t users; /* num users */
822 u16 ntxq; /* # of egress uld queues */
825 enum sge_eosw_state {
826 CXGB4_EO_STATE_CLOSED = 0, /* Not ready to accept traffic */
827 CXGB4_EO_STATE_FLOWC_OPEN_SEND, /* Send FLOWC open request */
828 CXGB4_EO_STATE_FLOWC_OPEN_REPLY, /* Waiting for FLOWC open reply */
829 CXGB4_EO_STATE_ACTIVE, /* Ready to accept traffic */
830 CXGB4_EO_STATE_FLOWC_CLOSE_SEND, /* Send FLOWC close request */
831 CXGB4_EO_STATE_FLOWC_CLOSE_REPLY, /* Waiting for FLOWC close reply */
834 struct sge_eosw_txq {
835 spinlock_t lock; /* Per queue lock to synchronize completions */
836 enum sge_eosw_state state; /* Current ETHOFLD State */
837 struct tx_sw_desc *desc; /* Descriptor ring to hold packets */
838 u32 ndesc; /* Number of descriptors */
839 u32 pidx; /* Current Producer Index */
840 u32 last_pidx; /* Last successfully transmitted Producer Index */
841 u32 cidx; /* Current Consumer Index */
842 u32 last_cidx; /* Last successfully reclaimed Consumer Index */
843 u32 flowc_idx; /* Descriptor containing a FLOWC request */
844 u32 inuse; /* Number of packets held in ring */
846 u32 cred; /* Current available credits */
847 u32 ncompl; /* # of completions posted */
848 u32 last_compl; /* # of credits consumed since last completion req */
850 u32 eotid; /* Index into EOTID table in software */
851 u32 hwtid; /* Hardware EOTID index */
853 u32 hwqid; /* Underlying hardware queue index */
854 struct net_device *netdev; /* Pointer to netdevice */
855 struct tasklet_struct qresume_tsk; /* Restarts the queue */
856 struct completion completion; /* completion for FLOWC rendezvous */
859 struct sge_eohw_txq {
860 spinlock_t lock; /* Per queue lock */
861 struct sge_txq q; /* HW Txq */
862 struct adapter *adap; /* Backpointer to adapter */
863 unsigned long tso; /* # of TSO requests */
864 unsigned long uso; /* # of USO requests */
865 unsigned long tx_cso; /* # of Tx checksum offloads */
866 unsigned long vlan_ins; /* # of Tx VLAN insertions */
867 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
871 struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
872 struct sge_eth_txq ptptxq;
873 struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
875 struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
876 struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
877 struct sge_uld_rxq_info **uld_rxq_info;
878 struct sge_uld_txq_info **uld_txq_info;
880 struct sge_rspq intrq ____cacheline_aligned_in_smp;
881 spinlock_t intrq_lock;
883 struct sge_eohw_txq *eohw_txq;
884 struct sge_ofld_rxq *eohw_rxq;
886 u16 max_ethqsets; /* # of available Ethernet queue sets */
887 u16 ethqsets; /* # of active Ethernet queue sets */
888 u16 ethtxq_rover; /* Tx queue to clean up next */
889 u16 ofldqsets; /* # of active ofld queue sets */
890 u16 nqs_per_uld; /* # of Rx queues per ULD */
891 u16 eoqsets; /* # of ETHOFLD queues */
893 u16 timer_val[SGE_NTIMERS];
894 u8 counter_val[SGE_NCOUNTERS];
896 u16 dbqtimer_val[SGE_NDBQTIMERS];
897 u32 fl_pg_order; /* large page allocation size */
898 u32 stat_len; /* length of status page at ring end */
899 u32 pktshift; /* padding between CPL & packet data */
900 u32 fl_align; /* response queue message alignment */
901 u32 fl_starve_thres; /* Free List starvation threshold */
903 struct sge_idma_monitor_state idma_monitor;
904 unsigned int egr_start;
906 unsigned int ingr_start;
907 unsigned int ingr_sz;
908 void **egr_map; /* qid->queue egress queue map */
909 struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
910 unsigned long *starving_fl;
911 unsigned long *txq_maperr;
912 unsigned long *blocked_fl;
913 struct timer_list rx_timer; /* refills starving FLs */
914 struct timer_list tx_timer; /* checks Tx queues */
916 int fwevtq_msix_idx; /* Index to firmware event queue MSI-X info */
917 int nd_msix_idx; /* Index to non-data interrupts MSI-X info */
920 #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
921 #define for_each_ofldtxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++)
925 #ifdef CONFIG_PCI_IOV
927 /* T4 supports SRIOV on PF0-3 and T5 on PF0-7. However, the Serial
928 * Configuration initialization for T5 only has SR-IOV functionality enabled
929 * on PF0-3 in order to simplify everything.
931 #define NUM_OF_PF_WITH_SRIOV 4
935 struct doorbell_stats {
941 struct hash_mac_addr {
942 struct list_head list;
944 unsigned int iface_mac;
948 unsigned long *msix_bmap;
949 unsigned int mapsize;
950 spinlock_t lock; /* lock for acquiring bitmap */
955 char desc[IFNAMSIZ + 10];
957 cpumask_var_t aff_mask;
961 unsigned char vf_mac_addr[ETH_ALEN];
962 unsigned int tx_rate;
969 HMA_DMA_MAPPED_FLAG = 1
974 struct sg_table *sgt;
975 dma_addr_t *phy_addr; /* physical address of the page */
979 struct list_head list;
982 #if IS_ENABLED(CONFIG_THERMAL)
984 struct thermal_zone_device *tzdev;
990 struct mps_entries_ref {
991 struct list_head list;
1002 struct pci_dev *pdev;
1003 struct device *pdev_dev;
1008 unsigned int adap_idx;
1009 enum chip_type chip;
1018 struct adapter_params params;
1019 struct cxgb4_virt_res vres;
1020 unsigned int swintr;
1022 /* MSI-X Info for NIC and OFLD queues */
1023 struct msix_info *msix_info;
1024 struct msix_bmap msix_bmap;
1026 struct doorbell_stats db_stats;
1029 struct net_device *port[MAX_NPORTS];
1030 u8 chan_map[NCHAN]; /* channel -> port map */
1032 struct vf_info *vfinfo;
1036 unsigned int l2t_start;
1037 unsigned int l2t_end;
1038 struct l2t_data *l2t;
1039 unsigned int clipt_start;
1040 unsigned int clipt_end;
1041 struct clip_tbl *clipt;
1042 unsigned int rawf_start;
1043 unsigned int rawf_cnt;
1044 struct smt_data *smt;
1045 struct cxgb4_uld_info *uld;
1046 void *uld_handle[CXGB4_ULD_MAX];
1047 unsigned int num_uld;
1048 unsigned int num_ofld_uld;
1049 struct list_head list_node;
1050 struct list_head rcu_node;
1051 struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
1052 struct list_head mps_ref;
1053 spinlock_t mps_ref_lock; /* lock for syncing mps ref/def activities */
1057 struct tid_info tids;
1058 void **tid_release_head;
1059 spinlock_t tid_release_lock;
1060 struct workqueue_struct *workq;
1061 struct work_struct tid_release_task;
1062 struct work_struct db_full_task;
1063 struct work_struct db_drop_task;
1064 struct work_struct fatal_err_notify_task;
1065 bool tid_release_task_busy;
1067 /* lock for mailbox cmd list */
1068 spinlock_t mbox_lock;
1069 struct mbox_list mlist;
1071 /* support for mailbox command/reply logging */
1072 #define T4_OS_LOG_MBOX_CMDS 256
1073 struct mbox_cmd_log *mbox_log;
1075 struct mutex uld_mutex;
1077 struct dentry *debugfs_root;
1078 bool use_bd; /* Use SGE Back Door intfc for reading SGE Contexts */
1079 bool trace_rss; /* 1 implies that different RSS flit per filter is
1080 * used per filter else if 0 default RSS flit is
1081 * used for all 4 filters.
1084 struct ptp_clock *ptp_clock;
1085 struct ptp_clock_info ptp_clock_info;
1086 struct sk_buff *ptp_tx_skb;
1088 spinlock_t ptp_lock;
1089 spinlock_t stats_lock;
1090 spinlock_t win0_lock ____cacheline_aligned_in_smp;
1092 /* TC u32 offload */
1093 struct cxgb4_tc_u32_table *tc_u32;
1094 struct chcr_stats_debug chcr_stats;
1096 /* TC flower offload */
1097 bool tc_flower_initialized;
1098 struct rhashtable flower_tbl;
1099 struct rhashtable_params flower_ht_params;
1100 struct timer_list flower_stats_timer;
1101 struct work_struct flower_stats_work;
1104 struct ethtool_dump eth_dump;
1107 struct hma_data hma;
1109 struct srq_data *srq;
1111 /* Dump buffer for collecting logs in kdump kernel */
1112 struct vmcoredd_data vmcoredd;
1113 #if IS_ENABLED(CONFIG_THERMAL)
1114 struct ch_thermal ch_thermal;
1117 /* TC MQPRIO offload */
1118 struct cxgb4_tc_mqprio *tc_mqprio;
1120 /* TC MATCHALL classifier offload */
1121 struct cxgb4_tc_matchall *tc_matchall;
1124 /* Support for "sched-class" command to allow a TX Scheduling Class to be
1125 * programmed with various parameters.
1127 struct ch_sched_params {
1128 s8 type; /* packet or flow */
1131 s8 level; /* scheduler hierarchy level */
1132 s8 mode; /* per-class or per-flow */
1133 s8 rateunit; /* bit or packet rate */
1134 s8 ratemode; /* %port relative or kbps absolute */
1135 s8 channel; /* scheduler channel [0..N] */
1136 s8 class; /* scheduler class [0..N] */
1137 s32 minrate; /* minimum rate */
1138 s32 maxrate; /* maximum rate */
1139 s16 weight; /* percent weight */
1140 s16 pktsize; /* average packet size */
1146 SCHED_CLASS_TYPE_PACKET = 0, /* class type */
1150 SCHED_CLASS_LEVEL_CL_RL = 0, /* class rate limiter */
1151 SCHED_CLASS_LEVEL_CH_RL = 2, /* channel rate limiter */
1155 SCHED_CLASS_MODE_CLASS = 0, /* per-class scheduling */
1156 SCHED_CLASS_MODE_FLOW, /* per-flow scheduling */
1160 SCHED_CLASS_RATEUNIT_BITS = 0, /* bit rate scheduling */
1164 SCHED_CLASS_RATEMODE_ABS = 1, /* Kb/s */
1167 /* Support for "sched_queue" command to allow one or more NIC TX Queues
1168 * to be bound to a TX Scheduling Class.
1170 struct ch_sched_queue {
1171 s8 queue; /* queue index */
1172 s8 class; /* class index */
1175 /* Support for "sched_flowc" command to allow one or more FLOWC
1176 * to be bound to a TX Scheduling Class.
1178 struct ch_sched_flowc {
1179 s32 tid; /* TID to bind */
1180 s8 class; /* class index */
1183 /* Defined bit width of user definable filter tuples
1185 #define ETHTYPE_BITWIDTH 16
1186 #define FRAG_BITWIDTH 1
1187 #define MACIDX_BITWIDTH 9
1188 #define FCOE_BITWIDTH 1
1189 #define IPORT_BITWIDTH 3
1190 #define MATCHTYPE_BITWIDTH 3
1191 #define PROTO_BITWIDTH 8
1192 #define TOS_BITWIDTH 8
1193 #define PF_BITWIDTH 8
1194 #define VF_BITWIDTH 8
1195 #define IVLAN_BITWIDTH 16
1196 #define OVLAN_BITWIDTH 16
1197 #define ENCAP_VNI_BITWIDTH 24
1199 /* Filter matching rules. These consist of a set of ingress packet field
1200 * (value, mask) tuples. The associated ingress packet field matches the
1201 * tuple when ((field & mask) == value). (Thus a wildcard "don't care" field
1202 * rule can be constructed by specifying a tuple of (0, 0).) A filter rule
1203 * matches an ingress packet when all of the individual individual field
1204 * matching rules are true.
1206 * Partial field masks are always valid, however, while it may be easy to
1207 * understand their meanings for some fields (e.g. IP address to match a
1208 * subnet), for others making sensible partial masks is less intuitive (e.g.
1209 * MPS match type) ...
1211 * Most of the following data structures are modeled on T4 capabilities.
1212 * Drivers for earlier chips use the subsets which make sense for those chips.
1213 * We really need to come up with a hardware-independent mechanism to
1214 * represent hardware filter capabilities ...
1216 struct ch_filter_tuple {
1217 /* Compressed header matching field rules. The TP_VLAN_PRI_MAP
1218 * register selects which of these fields will participate in the
1219 * filter match rules -- up to a maximum of 36 bits. Because
1220 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
1223 uint32_t ethtype:ETHTYPE_BITWIDTH; /* Ethernet type */
1224 uint32_t frag:FRAG_BITWIDTH; /* IP fragmentation header */
1225 uint32_t ivlan_vld:1; /* inner VLAN valid */
1226 uint32_t ovlan_vld:1; /* outer VLAN valid */
1227 uint32_t pfvf_vld:1; /* PF/VF valid */
1228 uint32_t encap_vld:1; /* Encapsulation valid */
1229 uint32_t macidx:MACIDX_BITWIDTH; /* exact match MAC index */
1230 uint32_t fcoe:FCOE_BITWIDTH; /* FCoE packet */
1231 uint32_t iport:IPORT_BITWIDTH; /* ingress port */
1232 uint32_t matchtype:MATCHTYPE_BITWIDTH; /* MPS match type */
1233 uint32_t proto:PROTO_BITWIDTH; /* protocol type */
1234 uint32_t tos:TOS_BITWIDTH; /* TOS/Traffic Type */
1235 uint32_t pf:PF_BITWIDTH; /* PCI-E PF ID */
1236 uint32_t vf:VF_BITWIDTH; /* PCI-E VF ID */
1237 uint32_t ivlan:IVLAN_BITWIDTH; /* inner VLAN */
1238 uint32_t ovlan:OVLAN_BITWIDTH; /* outer VLAN */
1239 uint32_t vni:ENCAP_VNI_BITWIDTH; /* VNI of tunnel */
1241 /* Uncompressed header matching field rules. These are always
1242 * available for field rules.
1244 uint8_t lip[16]; /* local IP address (IPv4 in [3:0]) */
1245 uint8_t fip[16]; /* foreign IP address (IPv4 in [3:0]) */
1246 uint16_t lport; /* local port */
1247 uint16_t fport; /* foreign port */
1250 /* A filter ioctl command.
1252 struct ch_filter_specification {
1253 /* Administrative fields for filter.
1255 uint32_t hitcnts:1; /* count filter hits in TCB */
1256 uint32_t prio:1; /* filter has priority over active/server */
1258 /* Fundamental filter typing. This is the one element of filter
1259 * matching that doesn't exist as a (value, mask) tuple.
1261 uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */
1262 u32 hash:1; /* 0 => wild-card, 1 => exact-match */
1264 /* Packet dispatch information. Ingress packets which match the
1265 * filter rules will be dropped, passed to the host or switched back
1266 * out as egress packets.
1268 uint32_t action:2; /* drop, pass, switch */
1270 uint32_t rpttid:1; /* report TID in RSS hash field */
1272 uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */
1273 uint32_t iq:10; /* ingress queue */
1275 uint32_t maskhash:1; /* dirsteer=0: store RSS hash in TCB */
1276 uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
1277 /* 1 => TCB contains IQ ID */
1279 /* Switch proxy/rewrite fields. An ingress packet which matches a
1280 * filter with "switch" set will be looped back out as an egress
1281 * packet -- potentially with some Ethernet header rewriting.
1283 uint32_t eport:2; /* egress port to switch packet out */
1284 uint32_t newdmac:1; /* rewrite destination MAC address */
1285 uint32_t newsmac:1; /* rewrite source MAC address */
1286 uint32_t newvlan:2; /* rewrite VLAN Tag */
1287 uint32_t nat_mode:3; /* specify NAT operation mode */
1288 uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
1289 uint8_t smac[ETH_ALEN]; /* new source MAC address */
1290 uint16_t vlan; /* VLAN Tag to insert */
1292 u8 nat_lip[16]; /* local IP to use after NAT'ing */
1293 u8 nat_fip[16]; /* foreign IP to use after NAT'ing */
1294 u16 nat_lport; /* local port to use after NAT'ing */
1295 u16 nat_fport; /* foreign port to use after NAT'ing */
1297 u32 tc_prio; /* TC's filter priority index */
1298 u64 tc_cookie; /* Unique cookie identifying TC rules */
1300 /* reservation for future additions */
1303 /* Filter rule value/mask pairs.
1305 struct ch_filter_tuple val;
1306 struct ch_filter_tuple mask;
1310 FILTER_PASS = 0, /* default */
1316 VLAN_NOCHANGE = 0, /* default */
1323 NAT_MODE_NONE = 0, /* No NAT performed */
1324 NAT_MODE_DIP, /* NAT on Dst IP */
1325 NAT_MODE_DIP_DP, /* NAT on Dst IP, Dst Port */
1326 NAT_MODE_DIP_DP_SIP, /* NAT on Dst IP, Dst Port and Src IP */
1327 NAT_MODE_DIP_DP_SP, /* NAT on Dst IP, Dst Port and Src Port */
1328 NAT_MODE_SIP_SP, /* NAT on Src IP and Src Port */
1329 NAT_MODE_DIP_SIP_SP, /* NAT on Dst IP, Src IP and Src Port */
1330 NAT_MODE_ALL /* NAT on entire 4-tuple */
1333 /* Host shadow copy of ingress filter entry. This is in host native format
1334 * and doesn't match the ordering or bit order, etc. of the hardware of the
1335 * firmware command. The use of bit-field structure elements is purely to
1336 * remind ourselves of the field size limitations and save memory in the case
1337 * where the filter table is large.
1339 struct filter_entry {
1340 /* Administrative fields for filter. */
1341 u32 valid:1; /* filter allocated and valid */
1342 u32 locked:1; /* filter is administratively locked */
1344 u32 pending:1; /* filter action is pending firmware reply */
1345 struct filter_ctx *ctx; /* Caller's completion hook */
1346 struct l2t_entry *l2t; /* Layer Two Table entry for dmac */
1347 struct smt_entry *smt; /* Source Mac Table entry for smac */
1348 struct net_device *dev; /* Associated net device */
1349 u32 tid; /* This will store the actual tid */
1351 /* The filter itself. Most of this is a straight copy of information
1352 * provided by the extended ioctl(). Some fields are translated to
1353 * internal forms -- for instance the Ingress Queue ID passed in from
1354 * the ioctl() is translated into the Absolute Ingress Queue ID.
1356 struct ch_filter_specification fs;
1359 static inline int is_offload(const struct adapter *adap)
1361 return adap->params.offload;
1364 static inline int is_hashfilter(const struct adapter *adap)
1366 return adap->params.hash_filter;
1369 static inline int is_pci_uld(const struct adapter *adap)
1371 return adap->params.crypto;
1374 static inline int is_uld(const struct adapter *adap)
1376 return (adap->params.offload || adap->params.crypto);
1379 static inline int is_ethofld(const struct adapter *adap)
1381 return adap->params.ethofld;
1384 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
1386 return readl(adap->regs + reg_addr);
1389 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
1391 writel(val, adap->regs + reg_addr);
1395 static inline u64 readq(const volatile void __iomem *addr)
1397 return readl(addr) + ((u64)readl(addr + 4) << 32);
1400 static inline void writeq(u64 val, volatile void __iomem *addr)
1403 writel(val >> 32, addr + 4);
1407 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
1409 return readq(adap->regs + reg_addr);
1412 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
1414 writeq(val, adap->regs + reg_addr);
1418 * t4_set_hw_addr - store a port's MAC address in SW
1419 * @adapter: the adapter
1420 * @port_idx: the port index
1421 * @hw_addr: the Ethernet address
1423 * Store the Ethernet address of the given port in SW. Called by the common
1424 * code when it retrieves a port's Ethernet address from EEPROM.
1426 static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
1429 ether_addr_copy(adapter->port[port_idx]->dev_addr, hw_addr);
1430 ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr);
1434 * netdev2pinfo - return the port_info structure associated with a net_device
1437 * Return the struct port_info associated with a net_device
1439 static inline struct port_info *netdev2pinfo(const struct net_device *dev)
1441 return netdev_priv(dev);
1445 * adap2pinfo - return the port_info of a port
1446 * @adap: the adapter
1447 * @idx: the port index
1449 * Return the port_info structure for the port of the given index.
1451 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
1453 return netdev_priv(adap->port[idx]);
1457 * netdev2adap - return the adapter structure associated with a net_device
1460 * Return the struct adapter associated with a net_device
1462 static inline struct adapter *netdev2adap(const struct net_device *dev)
1464 return netdev2pinfo(dev)->adapter;
1467 /* Return a version number to identify the type of adapter. The scheme is:
1468 * - bits 0..9: chip version
1469 * - bits 10..15: chip revision
1470 * - bits 16..23: register dump version
1472 static inline unsigned int mk_adap_vers(struct adapter *ap)
1474 return CHELSIO_CHIP_VERSION(ap->params.chip) |
1475 (CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
1478 /* Return a queue's interrupt hold-off time in us. 0 means no timer. */
1479 static inline unsigned int qtimer_val(const struct adapter *adap,
1480 const struct sge_rspq *q)
1482 unsigned int idx = q->intr_params >> 1;
1484 return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
1487 /* driver name used for ethtool_drvinfo */
1488 extern char cxgb4_driver_name[];
1490 void t4_os_portmod_changed(struct adapter *adap, int port_id);
1491 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1493 void t4_free_sge_resources(struct adapter *adap);
1494 void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
1495 irq_handler_t t4_intr_handler(struct adapter *adap);
1496 netdev_tx_t t4_start_xmit(struct sk_buff *skb, struct net_device *dev);
1497 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1498 const struct pkt_gl *gl);
1499 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1500 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1501 int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
1502 struct net_device *dev, int intr_idx,
1503 struct sge_fl *fl, rspq_handler_t hnd,
1504 rspq_flush_handler_t flush_handler, int cong);
1505 int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
1506 struct net_device *dev, struct netdev_queue *netdevq,
1507 unsigned int iqid, u8 dbqt);
1508 int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
1509 struct net_device *dev, unsigned int iqid,
1510 unsigned int cmplqid);
1511 int t4_sge_mod_ctrl_txq(struct adapter *adap, unsigned int eqid,
1512 unsigned int cmplqid);
1513 int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq,
1514 struct net_device *dev, unsigned int iqid,
1515 unsigned int uld_type);
1516 int t4_sge_alloc_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq,
1517 struct net_device *dev, u32 iqid);
1518 void t4_sge_free_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq);
1519 irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1520 int t4_sge_init(struct adapter *adap);
1521 void t4_sge_start(struct adapter *adap);
1522 void t4_sge_stop(struct adapter *adap);
1523 int t4_sge_eth_txq_egress_update(struct adapter *adap, struct sge_eth_txq *q,
1525 void cxgb4_set_ethtool_ops(struct net_device *netdev);
1526 int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1527 enum cpl_tx_tnl_lso_type cxgb_encap_offload_supported(struct sk_buff *skb);
1528 extern int dbfifo_int_thresh;
1530 #define for_each_port(adapter, iter) \
1531 for (iter = 0; iter < (adapter)->params.nports; ++iter)
1533 static inline int is_bypass(struct adapter *adap)
1535 return adap->params.bypass;
1538 static inline int is_bypass_device(int device)
1540 /* this should be set based upon device capabilities */
1550 static inline int is_10gbt_device(int device)
1552 /* this should be set based upon device capabilities */
1563 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1565 return adap->params.vpd.cclk / 1000;
1568 static inline unsigned int us_to_core_ticks(const struct adapter *adap,
1571 return (us * adap->params.vpd.cclk) / 1000;
1574 static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
1577 /* add Core Clock / 2 to round ticks to nearest uS */
1578 return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
1579 adapter->params.vpd.cclk);
1582 static inline unsigned int dack_ticks_to_usec(const struct adapter *adap,
1585 return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap);
1588 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1591 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1592 int size, void *rpl, bool sleep_ok, int timeout);
1593 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1594 void *rpl, bool sleep_ok);
1596 static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox,
1597 const void *cmd, int size, void *rpl,
1600 return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true,
1604 static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
1605 int size, void *rpl)
1607 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
1610 static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
1611 int size, void *rpl)
1613 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
1617 * hash_mac_addr - return the hash value of a MAC address
1618 * @addr: the 48-bit Ethernet MAC address
1620 * Hashes a MAC address according to the hash function used by HW inexact
1621 * (hash) address matching.
1623 static inline int hash_mac_addr(const u8 *addr)
1625 u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
1626 u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
1634 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1636 static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
1637 unsigned int us, unsigned int cnt,
1638 unsigned int size, unsigned int iqe_size)
1641 cxgb4_set_rspq_intr_params(q, us, cnt);
1642 q->iqe_len = iqe_size;
1647 * t4_is_inserted_mod_type - is a plugged in Firmware Module Type
1648 * @fw_mod_type: the Firmware Mofule Type
1650 * Return whether the Firmware Module Type represents a real Transceiver
1651 * Module/Cable Module Type which has been inserted.
1653 static inline bool t4_is_inserted_mod_type(unsigned int fw_mod_type)
1655 return (fw_mod_type != FW_PORT_MOD_TYPE_NONE &&
1656 fw_mod_type != FW_PORT_MOD_TYPE_NOTSUPPORTED &&
1657 fw_mod_type != FW_PORT_MOD_TYPE_UNKNOWN &&
1658 fw_mod_type != FW_PORT_MOD_TYPE_ERROR);
1661 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
1662 unsigned int data_reg, const u32 *vals,
1663 unsigned int nregs, unsigned int start_idx);
1664 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
1665 unsigned int data_reg, u32 *vals, unsigned int nregs,
1666 unsigned int start_idx);
1667 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1669 struct fw_filter_wr;
1671 void t4_intr_enable(struct adapter *adapter);
1672 void t4_intr_disable(struct adapter *adapter);
1673 int t4_slow_intr_handler(struct adapter *adapter);
1675 int t4_wait_dev_ready(void __iomem *regs);
1677 fw_port_cap32_t t4_link_acaps(struct adapter *adapter, unsigned int port,
1678 struct link_config *lc);
1679 int t4_link_l1cfg_core(struct adapter *adap, unsigned int mbox,
1680 unsigned int port, struct link_config *lc,
1681 u8 sleep_ok, int timeout);
1683 static inline int t4_link_l1cfg(struct adapter *adapter, unsigned int mbox,
1684 unsigned int port, struct link_config *lc)
1686 return t4_link_l1cfg_core(adapter, mbox, port, lc,
1687 true, FW_CMD_MAX_TIMEOUT);
1690 static inline int t4_link_l1cfg_ns(struct adapter *adapter, unsigned int mbox,
1691 unsigned int port, struct link_config *lc)
1693 return t4_link_l1cfg_core(adapter, mbox, port, lc,
1694 false, FW_CMD_MAX_TIMEOUT);
1697 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1699 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
1700 u32 t4_get_util_window(struct adapter *adap);
1701 void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
1703 int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
1704 u32 *mem_base, u32 *mem_aperture);
1705 void t4_memory_update_win(struct adapter *adap, int win, u32 addr);
1706 void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf,
1708 #define T4_MEMORY_WRITE 0
1709 #define T4_MEMORY_READ 1
1710 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1711 void *buf, int dir);
1712 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
1713 u32 len, __be32 *buf)
1715 return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
1718 unsigned int t4_get_regs_len(struct adapter *adapter);
1719 void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1721 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz);
1722 int t4_seeprom_wp(struct adapter *adapter, bool enable);
1723 int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
1724 int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1725 int t4_get_pfres(struct adapter *adapter);
1726 int t4_read_flash(struct adapter *adapter, unsigned int addr,
1727 unsigned int nwords, u32 *data, int byte_oriented);
1728 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1729 int t4_load_phy_fw(struct adapter *adap,
1730 int win, spinlock_t *lock,
1731 int (*phy_fw_version)(const u8 *, size_t),
1732 const u8 *phy_fw_data, size_t phy_fw_size);
1733 int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
1734 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1735 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1736 const u8 *fw_data, unsigned int size, int force);
1737 int t4_fl_pkt_align(struct adapter *adap);
1738 unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1739 int t4_check_fw_version(struct adapter *adap);
1740 int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
1741 int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1742 int t4_get_bs_version(struct adapter *adapter, u32 *vers);
1743 int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1744 int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1745 int t4_get_scfg_version(struct adapter *adapter, u32 *vers);
1746 int t4_get_vpd_version(struct adapter *adapter, u32 *vers);
1747 int t4_get_version_info(struct adapter *adapter);
1748 void t4_dump_version_info(struct adapter *adapter);
1749 int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1750 const u8 *fw_data, unsigned int fw_size,
1751 struct fw_hdr *card_fw, enum dev_state state, int *reset);
1752 int t4_prep_adapter(struct adapter *adapter);
1753 int t4_shutdown_adapter(struct adapter *adapter);
1755 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1756 int t4_bar2_sge_qregs(struct adapter *adapter,
1758 enum t4_bar2_qtype qtype,
1761 unsigned int *pbar2_qid);
1763 unsigned int qtimer_val(const struct adapter *adap,
1764 const struct sge_rspq *q);
1766 int t4_init_devlog_params(struct adapter *adapter);
1767 int t4_init_sge_params(struct adapter *adapter);
1768 int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
1769 int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1770 int t4_init_rss_mode(struct adapter *adap, int mbox);
1771 int t4_init_portinfo(struct port_info *pi, int mbox,
1772 int port, int pf, int vf, u8 mac[]);
1773 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1774 void t4_fatal_err(struct adapter *adapter);
1775 unsigned int t4_chip_rss_size(struct adapter *adapter);
1776 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1777 int start, int n, const u16 *rspq, unsigned int nrspq);
1778 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1779 unsigned int flags);
1780 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
1781 unsigned int flags, unsigned int defq);
1782 int t4_read_rss(struct adapter *adapter, u16 *entries);
1783 void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
1784 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
1786 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1787 u32 *valp, bool sleep_ok);
1788 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1789 u32 *vfl, u32 *vfh, bool sleep_ok);
1790 u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
1791 u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
1793 unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx);
1794 unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx);
1795 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1796 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1797 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1799 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1801 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1802 unsigned int *valp);
1803 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1804 const unsigned int *valp);
1805 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1806 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
1807 unsigned int *pif_req_wrptr,
1808 unsigned int *pif_rsp_wrptr);
1809 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
1810 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1811 const char *t4_get_port_type_description(enum fw_port_type port_type);
1812 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1813 void t4_get_port_stats_offset(struct adapter *adap, int idx,
1814 struct port_stats *stats,
1815 struct port_stats *offset);
1816 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
1817 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1818 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1819 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1820 unsigned int mask, unsigned int val);
1821 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1822 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
1824 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
1826 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
1828 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
1830 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1831 struct tp_tcp_stats *v6, bool sleep_ok);
1832 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
1833 struct tp_fcoe_stats *st, bool sleep_ok);
1834 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1835 const unsigned short *alpha, const unsigned short *beta);
1837 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1839 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
1840 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1842 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
1844 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
1845 u64 mask0, u64 mask1, unsigned int crc, bool enable);
1847 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1848 enum dev_master master, enum dev_state *state);
1849 int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1850 int t4_early_init(struct adapter *adap, unsigned int mbox);
1851 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1852 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1853 unsigned int cache_line_size);
1854 int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1855 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1856 unsigned int vf, unsigned int nparams, const u32 *params,
1858 int t4_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf,
1859 unsigned int vf, unsigned int nparams, const u32 *params,
1861 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
1862 unsigned int vf, unsigned int nparams, const u32 *params,
1863 u32 *val, int rw, bool sleep_ok);
1864 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
1865 unsigned int pf, unsigned int vf,
1866 unsigned int nparams, const u32 *params,
1867 const u32 *val, int timeout);
1868 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1869 unsigned int vf, unsigned int nparams, const u32 *params,
1871 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1872 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1873 unsigned int rxqi, unsigned int rxq, unsigned int tc,
1874 unsigned int vi, unsigned int cmask, unsigned int pmask,
1875 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1876 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1877 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1878 unsigned int *rss_size, u8 *vivld, u8 *vin);
1879 int t4_free_vi(struct adapter *adap, unsigned int mbox,
1880 unsigned int pf, unsigned int vf,
1882 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
1883 int mtu, int promisc, int all_multi, int bcast, int vlanex,
1885 int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
1886 const u8 *addr, const u8 *mask, unsigned int idx,
1887 u8 lookup_type, u8 port_id, bool sleep_ok);
1888 int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx,
1890 int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
1891 const u8 *addr, const u8 *mask, unsigned int vni,
1892 unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
1894 int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
1895 const u8 *addr, const u8 *mask, unsigned int idx,
1896 u8 lookup_type, u8 port_id, bool sleep_ok);
1897 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
1898 unsigned int viid, bool free, unsigned int naddr,
1899 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
1900 int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
1901 unsigned int viid, unsigned int naddr,
1902 const u8 **addr, bool sleep_ok);
1903 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
1904 int idx, const u8 *addr, bool persist, u8 *smt_idx);
1905 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
1906 bool ucast, u64 vec, bool sleep_ok);
1907 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
1908 unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
1909 int t4_enable_pi_params(struct adapter *adap, unsigned int mbox,
1910 struct port_info *pi,
1911 bool rx_en, bool tx_en, bool dcb_en);
1912 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
1913 bool rx_en, bool tx_en);
1914 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
1915 unsigned int nblinks);
1916 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1917 unsigned int mmd, unsigned int reg, u16 *valp);
1918 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1919 unsigned int mmd, unsigned int reg, u16 val);
1920 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
1921 unsigned int vf, unsigned int iqtype, unsigned int iqid,
1922 unsigned int fl0id, unsigned int fl1id);
1923 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1924 unsigned int vf, unsigned int iqtype, unsigned int iqid,
1925 unsigned int fl0id, unsigned int fl1id);
1926 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1927 unsigned int vf, unsigned int eqid);
1928 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1929 unsigned int vf, unsigned int eqid);
1930 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1931 unsigned int vf, unsigned int eqid);
1932 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type);
1933 int t4_read_sge_dbqtimers(struct adapter *adap, unsigned int ndbqtimers,
1935 void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
1936 int t4_update_port_info(struct port_info *pi);
1937 int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
1938 unsigned int *speedp, unsigned int *mtup);
1939 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
1940 void t4_db_full(struct adapter *adapter);
1941 void t4_db_dropped(struct adapter *adapter);
1942 int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
1943 int filter_index, int enable);
1944 void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
1945 int filter_index, int *enabled);
1946 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
1948 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
1949 void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
1950 unsigned int *kbps, unsigned int *ipg, bool sleep_ok);
1951 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
1952 enum ctxt_type ctype, u32 *data);
1953 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
1954 enum ctxt_type ctype, u32 *data);
1955 int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
1956 int rateunit, int ratemode, int channel, int class,
1957 int minrate, int maxrate, int weight, int pktsize);
1958 void t4_sge_decode_idma_state(struct adapter *adapter, int state);
1959 void t4_idma_monitor_init(struct adapter *adapter,
1960 struct sge_idma_monitor_state *idma);
1961 void t4_idma_monitor(struct adapter *adapter,
1962 struct sge_idma_monitor_state *idma,
1964 int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
1965 unsigned int naddr, u8 *addr);
1966 void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
1967 u32 start_index, bool sleep_ok);
1968 void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
1969 u32 start_index, bool sleep_ok);
1970 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
1971 u32 start_index, bool sleep_ok);
1973 void t4_uld_mem_free(struct adapter *adap);
1974 int t4_uld_mem_alloc(struct adapter *adap);
1975 void t4_uld_clean_up(struct adapter *adap);
1976 void t4_register_netevent_notifier(void);
1977 int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port,
1978 unsigned int devid, unsigned int offset,
1979 unsigned int len, u8 *buf);
1980 void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
1981 void free_tx_desc(struct adapter *adap, struct sge_txq *q,
1982 unsigned int n, bool unmap);
1983 void cxgb4_eosw_txq_free_desc(struct adapter *adap, struct sge_eosw_txq *txq,
1985 int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc);
1986 void cxgb4_ethofld_restart(unsigned long data);
1987 int cxgb4_ethofld_rx_handler(struct sge_rspq *q, const __be64 *rsp,
1988 const struct pkt_gl *si);
1989 void free_txq(struct adapter *adap, struct sge_txq *q);
1990 void cxgb4_reclaim_completed_tx(struct adapter *adap,
1991 struct sge_txq *q, bool unmap);
1992 int cxgb4_map_skb(struct device *dev, const struct sk_buff *skb,
1994 void cxgb4_inline_tx_skb(const struct sk_buff *skb, const struct sge_txq *q,
1996 void cxgb4_write_sgl(const struct sk_buff *skb, struct sge_txq *q,
1997 struct ulptx_sgl *sgl, u64 *end, unsigned int start,
1998 const dma_addr_t *addr);
1999 void cxgb4_ring_tx_db(struct adapter *adap, struct sge_txq *q, int n);
2000 int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
2002 int cxgb4_dcb_enabled(const struct net_device *dev);
2004 int cxgb4_thermal_init(struct adapter *adap);
2005 int cxgb4_thermal_remove(struct adapter *adap);
2006 int cxgb4_set_msix_aff(struct adapter *adap, unsigned short vec,
2007 cpumask_var_t *aff_mask, int idx);
2008 void cxgb4_clear_msix_aff(unsigned short vec, cpumask_var_t aff_mask);
2010 int cxgb4_change_mac(struct port_info *pi, unsigned int viid,
2011 int *tcam_idx, const u8 *addr,
2012 bool persistent, u8 *smt_idx);
2014 int cxgb4_alloc_mac_filt(struct adapter *adap, unsigned int viid,
2015 bool free, unsigned int naddr,
2016 const u8 **addr, u16 *idx,
2017 u64 *hash, bool sleep_ok);
2018 int cxgb4_free_mac_filt(struct adapter *adap, unsigned int viid,
2019 unsigned int naddr, const u8 **addr, bool sleep_ok);
2020 int cxgb4_init_mps_ref_entries(struct adapter *adap);
2021 void cxgb4_free_mps_ref_entries(struct adapter *adap);
2022 int cxgb4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
2023 const u8 *addr, const u8 *mask,
2024 unsigned int vni, unsigned int vni_mask,
2025 u8 dip_hit, u8 lookup_type, bool sleep_ok);
2026 int cxgb4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
2027 int idx, bool sleep_ok);
2028 int cxgb4_free_raw_mac_filt(struct adapter *adap,
2036 int cxgb4_alloc_raw_mac_filt(struct adapter *adap,
2044 int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid,
2045 int *tcam_idx, const u8 *addr,
2046 bool persistent, u8 *smt_idx);
2047 int cxgb4_get_msix_idx_from_bmap(struct adapter *adap);
2048 void cxgb4_free_msix_idx_in_bmap(struct adapter *adap, u32 msix_idx);
2049 int cxgb_open(struct net_device *dev);
2050 int cxgb_close(struct net_device *dev);
2051 void cxgb4_enable_rx(struct adapter *adap, struct sge_rspq *q);
2052 void cxgb4_quiesce_rx(struct sge_rspq *q);
2053 #endif /* __CXGB4_H__ */