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/etherdevice.h>
50 #include <linux/net_tstamp.h>
51 #include <linux/ptp_clock_kernel.h>
52 #include <linux/ptp_classify.h>
54 #include "t4_chip_type.h"
55 #include "cxgb4_uld.h"
57 #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
58 extern struct list_head adapter_list;
59 extern struct mutex uld_mutex;
62 MAX_NPORTS = 4, /* max # of ports */
63 SERNUM_LEN = 24, /* Serial # length */
64 EC_LEN = 16, /* E/C length */
65 ID_LEN = 16, /* ID length */
66 PN_LEN = 16, /* Part Number length */
67 MACADDR_LEN = 12, /* MAC Address length */
71 T4_REGMAP_SIZE = (160 * 1024),
72 T5_REGMAP_SIZE = (332 * 1024),
84 MEMWIN0_APERTURE = 2048,
85 MEMWIN0_BASE = 0x1b800,
86 MEMWIN1_APERTURE = 32768,
87 MEMWIN1_BASE = 0x28000,
88 MEMWIN1_BASE_T5 = 0x52000,
89 MEMWIN2_APERTURE = 65536,
90 MEMWIN2_BASE = 0x30000,
91 MEMWIN2_APERTURE_T5 = 131072,
92 MEMWIN2_BASE_T5 = 0x60000,
110 PAUSE_AUTONEG = 1 << 2
114 FEC_AUTO = 1 << 0, /* IEEE 802.3 "automatic" */
115 FEC_RS = 1 << 1, /* Reed-Solomon */
116 FEC_BASER_RS = 1 << 2 /* BaseR/Reed-Solomon */
120 u64 tx_octets; /* total # of octets in good frames */
121 u64 tx_frames; /* all good frames */
122 u64 tx_bcast_frames; /* all broadcast frames */
123 u64 tx_mcast_frames; /* all multicast frames */
124 u64 tx_ucast_frames; /* all unicast frames */
125 u64 tx_error_frames; /* all error frames */
127 u64 tx_frames_64; /* # of Tx frames in a particular range */
128 u64 tx_frames_65_127;
129 u64 tx_frames_128_255;
130 u64 tx_frames_256_511;
131 u64 tx_frames_512_1023;
132 u64 tx_frames_1024_1518;
133 u64 tx_frames_1519_max;
135 u64 tx_drop; /* # of dropped Tx frames */
136 u64 tx_pause; /* # of transmitted pause frames */
137 u64 tx_ppp0; /* # of transmitted PPP prio 0 frames */
138 u64 tx_ppp1; /* # of transmitted PPP prio 1 frames */
139 u64 tx_ppp2; /* # of transmitted PPP prio 2 frames */
140 u64 tx_ppp3; /* # of transmitted PPP prio 3 frames */
141 u64 tx_ppp4; /* # of transmitted PPP prio 4 frames */
142 u64 tx_ppp5; /* # of transmitted PPP prio 5 frames */
143 u64 tx_ppp6; /* # of transmitted PPP prio 6 frames */
144 u64 tx_ppp7; /* # of transmitted PPP prio 7 frames */
146 u64 rx_octets; /* total # of octets in good frames */
147 u64 rx_frames; /* all good frames */
148 u64 rx_bcast_frames; /* all broadcast frames */
149 u64 rx_mcast_frames; /* all multicast frames */
150 u64 rx_ucast_frames; /* all unicast frames */
151 u64 rx_too_long; /* # of frames exceeding MTU */
152 u64 rx_jabber; /* # of jabber frames */
153 u64 rx_fcs_err; /* # of received frames with bad FCS */
154 u64 rx_len_err; /* # of received frames with length error */
155 u64 rx_symbol_err; /* symbol errors */
156 u64 rx_runt; /* # of short frames */
158 u64 rx_frames_64; /* # of Rx frames in a particular range */
159 u64 rx_frames_65_127;
160 u64 rx_frames_128_255;
161 u64 rx_frames_256_511;
162 u64 rx_frames_512_1023;
163 u64 rx_frames_1024_1518;
164 u64 rx_frames_1519_max;
166 u64 rx_pause; /* # of received pause frames */
167 u64 rx_ppp0; /* # of received PPP prio 0 frames */
168 u64 rx_ppp1; /* # of received PPP prio 1 frames */
169 u64 rx_ppp2; /* # of received PPP prio 2 frames */
170 u64 rx_ppp3; /* # of received PPP prio 3 frames */
171 u64 rx_ppp4; /* # of received PPP prio 4 frames */
172 u64 rx_ppp5; /* # of received PPP prio 5 frames */
173 u64 rx_ppp6; /* # of received PPP prio 6 frames */
174 u64 rx_ppp7; /* # of received PPP prio 7 frames */
176 u64 rx_ovflow0; /* drops due to buffer-group 0 overflows */
177 u64 rx_ovflow1; /* drops due to buffer-group 1 overflows */
178 u64 rx_ovflow2; /* drops due to buffer-group 2 overflows */
179 u64 rx_ovflow3; /* drops due to buffer-group 3 overflows */
180 u64 rx_trunc0; /* buffer-group 0 truncated packets */
181 u64 rx_trunc1; /* buffer-group 1 truncated packets */
182 u64 rx_trunc2; /* buffer-group 2 truncated packets */
183 u64 rx_trunc3; /* buffer-group 3 truncated packets */
186 struct lb_port_stats {
199 u64 frames_1024_1518;
214 struct tp_tcp_stats {
218 u64 tcp_retrans_segs;
221 struct tp_usm_stats {
227 struct tp_fcoe_stats {
233 struct tp_err_stats {
237 u32 tnl_cong_drops[4];
238 u32 ofld_chan_drops[4];
240 u32 ofld_vlan_drops[4];
246 struct tp_cpl_stats {
251 struct tp_rdma_stats {
257 u32 hps; /* host page size for our PF/VF */
258 u32 eq_qpp; /* egress queues/page for our PF/VF */
259 u32 iq_qpp; /* egress queues/page for our PF/VF */
263 unsigned int tre; /* log2 of core clocks per TP tick */
264 unsigned int la_mask; /* what events are recorded by TP LA */
265 unsigned short tx_modq_map; /* TX modulation scheduler queue to */
268 uint32_t dack_re; /* DACK timer resolution */
269 unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */
271 u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */
272 u32 ingress_config; /* cached TP_INGRESS_CONFIG */
274 /* cached TP_OUT_CONFIG compressed error vector
275 * and passing outer header info for encapsulated packets.
279 /* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets. This is a
280 * subset of the set of fields which may be present in the Compressed
281 * Filter Tuple portion of filters and TCP TCB connections. The
282 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
283 * Since a variable number of fields may or may not be present, their
284 * shifted field positions within the Compressed Filter Tuple may
285 * vary, or not even be present if the field isn't selected in
286 * TP_VLAN_PRI_MAP. Since some of these fields are needed in various
287 * places we store their offsets here, or a -1 if the field isn't
301 u64 hash_filter_mask;
307 u8 sn[SERNUM_LEN + 1];
310 u8 na[MACADDR_LEN + 1];
318 struct devlog_params {
319 u32 memtype; /* which memory (EDC0, EDC1, MC) */
320 u32 start; /* start of log in firmware memory */
321 u32 size; /* size of log */
324 /* Stores chip specific parameters */
325 struct arch_specific_params {
328 u8 cng_ch_bits_log; /* congestion channel map bits width */
335 struct adapter_params {
336 struct sge_params sge;
338 struct vpd_params vpd;
339 struct pci_params pci;
340 struct devlog_params devlog;
341 enum pcie_memwin drv_memwin;
343 unsigned int cim_la_size;
345 unsigned int sf_size; /* serial flash size in bytes */
346 unsigned int sf_nsec; /* # of flash sectors */
347 unsigned int sf_fw_start; /* start of FW image in flash */
349 unsigned int fw_vers; /* firmware version */
350 unsigned int bs_vers; /* bootstrap version */
351 unsigned int tp_vers; /* TP microcode version */
352 unsigned int er_vers; /* expansion ROM version */
353 unsigned int scfg_vers; /* Serial Configuration version */
354 unsigned int vpd_vers; /* VPD Version */
357 unsigned short mtus[NMTUS];
358 unsigned short a_wnd[NCCTRL_WIN];
359 unsigned short b_wnd[NCCTRL_WIN];
361 unsigned char nports; /* # of ethernet ports */
362 unsigned char portvec;
363 enum chip_type chip; /* chip code */
364 struct arch_specific_params arch; /* chip specific params */
365 unsigned char offload;
366 unsigned char crypto; /* HW capability for crypto */
368 unsigned char bypass;
369 unsigned char hash_filter;
371 unsigned int ofldq_wr_cred;
372 bool ulptx_memwrite_dsgl; /* use of T5 DSGL allowed */
374 unsigned int nsched_cls; /* number of traffic classes */
375 unsigned int max_ordird_qp; /* Max read depth per RDMA QP */
376 unsigned int max_ird_adapter; /* Max read depth per adapter */
377 bool fr_nsmr_tpte_wr_support; /* FW support for FR_NSMR_TPTE_WR */
378 u8 fw_caps_support; /* 32-bit Port Capabilities */
379 bool filter2_wr_support; /* FW support for FILTER2_WR */
381 /* MPS Buffer Group Map[per Port]. Bit i is set if buffer group i is
384 u8 mps_bg_map[MAX_NPORTS]; /* MPS Buffer Group Map */
387 /* State needed to monitor the forward progress of SGE Ingress DMA activities
388 * and possible hangs.
390 struct sge_idma_monitor_state {
391 unsigned int idma_1s_thresh; /* 1s threshold in Core Clock ticks */
392 unsigned int idma_stalled[2]; /* synthesized stalled timers in HZ */
393 unsigned int idma_state[2]; /* IDMA Hang detect state */
394 unsigned int idma_qid[2]; /* IDMA Hung Ingress Queue ID */
395 unsigned int idma_warn[2]; /* time to warning in HZ */
398 /* Firmware Mailbox Command/Reply log. All values are in Host-Endian format.
399 * The access and execute times are signed in order to accommodate negative
403 u64 cmd[MBOX_LEN / 8]; /* a Firmware Mailbox Command/Reply */
404 u64 timestamp; /* OS-dependent timestamp */
405 u32 seqno; /* sequence number */
406 s16 access; /* time (ms) to access mailbox */
407 s16 execute; /* time (ms) to execute */
410 struct mbox_cmd_log {
411 unsigned int size; /* number of entries in the log */
412 unsigned int cursor; /* next position in the log to write */
413 u32 seqno; /* next sequence number */
414 /* variable length mailbox command log starts here */
417 /* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
418 * return a pointer to the specified entry.
420 static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
421 unsigned int entry_idx)
423 return &((struct mbox_cmd *)&(log)[1])[entry_idx];
426 #include "t4fw_api.h"
428 #define FW_VERSION(chip) ( \
429 FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
430 FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
431 FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
432 FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
433 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
439 struct fw_hdr fw_hdr;
442 struct trace_params {
443 u32 data[TRACE_LEN / 4];
444 u32 mask[TRACE_LEN / 4];
445 unsigned short snap_len;
446 unsigned short min_len;
447 unsigned char skip_ofst;
448 unsigned char skip_len;
449 unsigned char invert;
453 /* Firmware Port Capabilities types. */
455 typedef u16 fw_port_cap16_t; /* 16-bit Port Capabilities integral value */
456 typedef u32 fw_port_cap32_t; /* 32-bit Port Capabilities integral value */
459 FW_CAPS_UNKNOWN = 0, /* 0'ed out initial state */
460 FW_CAPS16 = 1, /* old Firmware: 16-bit Port Capabilities */
461 FW_CAPS32 = 2, /* new Firmware: 32-bit Port Capabilities */
465 fw_port_cap32_t pcaps; /* link capabilities */
466 fw_port_cap32_t def_acaps; /* default advertised capabilities */
467 fw_port_cap32_t acaps; /* advertised capabilities */
468 fw_port_cap32_t lpacaps; /* peer advertised capabilities */
470 fw_port_cap32_t speed_caps; /* speed(s) user has requested */
471 unsigned int speed; /* actual link speed (Mb/s) */
473 enum cc_pause requested_fc; /* flow control user has requested */
474 enum cc_pause fc; /* actual link flow control */
476 enum cc_fec requested_fec; /* Forward Error Correction: */
477 enum cc_fec fec; /* requested and actual in use */
479 unsigned char autoneg; /* autonegotiating? */
481 unsigned char link_ok; /* link up? */
482 unsigned char link_down_rc; /* link down reason */
485 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
488 MAX_ETH_QSETS = 32, /* # of Ethernet Tx/Rx queue sets */
489 MAX_OFLD_QSETS = 16, /* # of offload Tx, iscsi Rx queue sets */
490 MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */
494 MAX_TXQ_ENTRIES = 16384,
495 MAX_CTRL_TXQ_ENTRIES = 1024,
496 MAX_RSPQ_ENTRIES = 16384,
497 MAX_RX_BUFFERS = 16384,
498 MIN_TXQ_ENTRIES = 32,
499 MIN_CTRL_TXQ_ENTRIES = 32,
500 MIN_RSPQ_ENTRIES = 128,
505 INGQ_EXTRAS = 2, /* firmware event queue and */
506 /* forwarded interrupts */
507 MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS,
513 #include "cxgb4_dcb.h"
515 #ifdef CONFIG_CHELSIO_T4_FCOE
516 #include "cxgb4_fcoe.h"
517 #endif /* CONFIG_CHELSIO_T4_FCOE */
520 struct adapter *adapter;
522 s16 xact_addr_filt; /* index of exact MAC address filter */
523 u16 rss_size; /* size of VI's RSS table slice */
525 enum fw_port_type port_type;
529 u8 lport; /* associated offload logical port */
530 u8 nqsets; /* # of qsets */
531 u8 first_qset; /* index of first qset */
533 struct link_config link_cfg;
535 struct port_stats stats_base;
536 #ifdef CONFIG_CHELSIO_T4_DCB
537 struct port_dcb_info dcb; /* Data Center Bridging support */
539 #ifdef CONFIG_CHELSIO_T4_FCOE
540 struct cxgb_fcoe fcoe;
541 #endif /* CONFIG_CHELSIO_T4_FCOE */
542 bool rxtstamp; /* Enable TS */
543 struct hwtstamp_config tstamp_config;
545 struct sched_table *sched_tbl;
551 enum { /* adapter flags */
552 FULL_INIT_DONE = (1 << 0),
553 DEV_ENABLED = (1 << 1),
554 USING_MSI = (1 << 2),
555 USING_MSIX = (1 << 3),
557 RSS_TNLALLLOOKUP = (1 << 5),
558 USING_SOFT_PARAMS = (1 << 6),
559 MASTER_PF = (1 << 7),
560 FW_OFLD_CONN = (1 << 9),
561 ROOT_NO_RELAXED_ORDERING = (1 << 10),
562 SHUTTING_DOWN = (1 << 11),
566 ULP_CRYPTO_LOOKASIDE = 1 << 0,
571 struct sge_fl { /* SGE free-buffer queue state */
572 unsigned int avail; /* # of available Rx buffers */
573 unsigned int pend_cred; /* new buffers since last FL DB ring */
574 unsigned int cidx; /* consumer index */
575 unsigned int pidx; /* producer index */
576 unsigned long alloc_failed; /* # of times buffer allocation failed */
577 unsigned long large_alloc_failed;
578 unsigned long mapping_err; /* # of RX Buffer DMA Mapping failures */
579 unsigned long low; /* # of times momentarily starving */
580 unsigned long starving;
582 unsigned int cntxt_id; /* SGE context id for the free list */
583 unsigned int size; /* capacity of free list */
584 struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */
585 __be64 *desc; /* address of HW Rx descriptor ring */
586 dma_addr_t addr; /* bus address of HW ring start */
587 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
588 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
591 /* A packet gather list */
593 u64 sgetstamp; /* SGE Time Stamp for Ingress Packet */
594 struct page_frag frags[MAX_SKB_FRAGS];
595 void *va; /* virtual address of first byte */
596 unsigned int nfrags; /* # of fragments */
597 unsigned int tot_len; /* total length of fragments */
600 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
601 const struct pkt_gl *gl);
602 typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
603 /* LRO related declarations for ULD */
605 #define MAX_LRO_SESSIONS 64
606 u8 lro_session_cnt; /* # of sessions to aggregate */
607 unsigned long lro_pkts; /* # of LRO super packets */
608 unsigned long lro_merged; /* # of wire packets merged by LRO */
609 struct sk_buff_head lroq; /* list of aggregated sessions */
612 struct sge_rspq { /* state for an SGE response queue */
613 struct napi_struct napi;
614 const __be64 *cur_desc; /* current descriptor in queue */
615 unsigned int cidx; /* consumer index */
616 u8 gen; /* current generation bit */
617 u8 intr_params; /* interrupt holdoff parameters */
618 u8 next_intr_params; /* holdoff params for next interrupt */
620 u8 pktcnt_idx; /* interrupt packet threshold */
621 u8 uld; /* ULD handling this queue */
622 u8 idx; /* queue index within its group */
623 int offset; /* offset into current Rx buffer */
624 u16 cntxt_id; /* SGE context id for the response q */
625 u16 abs_id; /* absolute SGE id for the response q */
626 __be64 *desc; /* address of HW response ring */
627 dma_addr_t phys_addr; /* physical address of the ring */
628 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
629 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
630 unsigned int iqe_len; /* entry size */
631 unsigned int size; /* capacity of response queue */
632 struct adapter *adap;
633 struct net_device *netdev; /* associated net device */
634 rspq_handler_t handler;
635 rspq_flush_handler_t flush_handler;
636 struct t4_lro_mgr lro_mgr;
639 struct sge_eth_stats { /* Ethernet queue statistics */
640 unsigned long pkts; /* # of ethernet packets */
641 unsigned long lro_pkts; /* # of LRO super packets */
642 unsigned long lro_merged; /* # of wire packets merged by LRO */
643 unsigned long rx_cso; /* # of Rx checksum offloads */
644 unsigned long vlan_ex; /* # of Rx VLAN extractions */
645 unsigned long rx_drops; /* # of packets dropped due to no mem */
648 struct sge_eth_rxq { /* SW Ethernet Rx queue */
649 struct sge_rspq rspq;
651 struct sge_eth_stats stats;
652 } ____cacheline_aligned_in_smp;
654 struct sge_ofld_stats { /* offload queue statistics */
655 unsigned long pkts; /* # of packets */
656 unsigned long imm; /* # of immediate-data packets */
657 unsigned long an; /* # of asynchronous notifications */
658 unsigned long nomem; /* # of responses deferred due to no mem */
661 struct sge_ofld_rxq { /* SW offload Rx queue */
662 struct sge_rspq rspq;
664 struct sge_ofld_stats stats;
665 } ____cacheline_aligned_in_smp;
674 unsigned int in_use; /* # of in-use Tx descriptors */
675 unsigned int q_type; /* Q type Eth/Ctrl/Ofld */
676 unsigned int size; /* # of descriptors */
677 unsigned int cidx; /* SW consumer index */
678 unsigned int pidx; /* producer index */
679 unsigned long stops; /* # of times q has been stopped */
680 unsigned long restarts; /* # of queue restarts */
681 unsigned int cntxt_id; /* SGE context id for the Tx q */
682 struct tx_desc *desc; /* address of HW Tx descriptor ring */
683 struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */
684 struct sge_qstat *stat; /* queue status entry */
685 dma_addr_t phys_addr; /* physical address of the ring */
688 unsigned short db_pidx;
689 unsigned short db_pidx_inc;
690 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
691 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
694 struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */
696 struct netdev_queue *txq; /* associated netdev TX queue */
697 #ifdef CONFIG_CHELSIO_T4_DCB
698 u8 dcb_prio; /* DCB Priority bound to queue */
700 unsigned long tso; /* # of TSO requests */
701 unsigned long tx_cso; /* # of Tx checksum offloads */
702 unsigned long vlan_ins; /* # of Tx VLAN insertions */
703 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
704 } ____cacheline_aligned_in_smp;
706 struct sge_uld_txq { /* state for an SGE offload Tx queue */
708 struct adapter *adap;
709 struct sk_buff_head sendq; /* list of backpressured packets */
710 struct tasklet_struct qresume_tsk; /* restarts the queue */
711 bool service_ofldq_running; /* service_ofldq() is processing sendq */
712 u8 full; /* the Tx ring is full */
713 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
714 } ____cacheline_aligned_in_smp;
716 struct sge_ctrl_txq { /* state for an SGE control Tx queue */
718 struct adapter *adap;
719 struct sk_buff_head sendq; /* list of backpressured packets */
720 struct tasklet_struct qresume_tsk; /* restarts the queue */
721 u8 full; /* the Tx ring is full */
722 } ____cacheline_aligned_in_smp;
724 struct sge_uld_rxq_info {
725 char name[IFNAMSIZ]; /* name of ULD driver */
726 struct sge_ofld_rxq *uldrxq; /* Rxq's for ULD */
727 u16 *msix_tbl; /* msix_tbl for uld */
728 u16 *rspq_id; /* response queue id's of rxq */
729 u16 nrxq; /* # of ingress uld queues */
730 u16 nciq; /* # of completion queues */
731 u8 uld; /* uld type */
734 struct sge_uld_txq_info {
735 struct sge_uld_txq *uldtxq; /* Txq's for ULD */
736 atomic_t users; /* num users */
737 u16 ntxq; /* # of egress uld queues */
741 struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
742 struct sge_eth_txq ptptxq;
743 struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
745 struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
746 struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
747 struct sge_uld_rxq_info **uld_rxq_info;
748 struct sge_uld_txq_info **uld_txq_info;
750 struct sge_rspq intrq ____cacheline_aligned_in_smp;
751 spinlock_t intrq_lock;
753 u16 max_ethqsets; /* # of available Ethernet queue sets */
754 u16 ethqsets; /* # of active Ethernet queue sets */
755 u16 ethtxq_rover; /* Tx queue to clean up next */
756 u16 ofldqsets; /* # of active ofld queue sets */
757 u16 nqs_per_uld; /* # of Rx queues per ULD */
758 u16 timer_val[SGE_NTIMERS];
759 u8 counter_val[SGE_NCOUNTERS];
760 u32 fl_pg_order; /* large page allocation size */
761 u32 stat_len; /* length of status page at ring end */
762 u32 pktshift; /* padding between CPL & packet data */
763 u32 fl_align; /* response queue message alignment */
764 u32 fl_starve_thres; /* Free List starvation threshold */
766 struct sge_idma_monitor_state idma_monitor;
767 unsigned int egr_start;
769 unsigned int ingr_start;
770 unsigned int ingr_sz;
771 void **egr_map; /* qid->queue egress queue map */
772 struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
773 unsigned long *starving_fl;
774 unsigned long *txq_maperr;
775 unsigned long *blocked_fl;
776 struct timer_list rx_timer; /* refills starving FLs */
777 struct timer_list tx_timer; /* checks Tx queues */
780 #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
781 #define for_each_ofldtxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++)
785 #ifdef CONFIG_PCI_IOV
787 /* T4 supports SRIOV on PF0-3 and T5 on PF0-7. However, the Serial
788 * Configuration initialization for T5 only has SR-IOV functionality enabled
789 * on PF0-3 in order to simplify everything.
791 #define NUM_OF_PF_WITH_SRIOV 4
795 struct doorbell_stats {
801 struct hash_mac_addr {
802 struct list_head list;
806 struct uld_msix_bmap {
807 unsigned long *msix_bmap;
808 unsigned int mapsize;
809 spinlock_t lock; /* lock for acquiring bitmap */
812 struct uld_msix_info {
814 char desc[IFNAMSIZ + 10];
819 unsigned char vf_mac_addr[ETH_ALEN];
820 unsigned int tx_rate;
825 struct list_head list;
832 struct pci_dev *pdev;
833 struct device *pdev_dev;
838 unsigned int adap_idx;
843 struct adapter_params params;
844 struct cxgb4_virt_res vres;
849 char desc[IFNAMSIZ + 10];
850 } msix_info[MAX_INGQ + 1];
851 struct uld_msix_info *msix_info_ulds; /* msix info for uld's */
852 struct uld_msix_bmap msix_bmap_ulds; /* msix bitmap for all uld */
855 struct doorbell_stats db_stats;
858 struct net_device *port[MAX_NPORTS];
859 u8 chan_map[NCHAN]; /* channel -> port map */
861 struct vf_info *vfinfo;
865 unsigned int l2t_start;
866 unsigned int l2t_end;
867 struct l2t_data *l2t;
868 unsigned int clipt_start;
869 unsigned int clipt_end;
870 struct clip_tbl *clipt;
871 struct smt_data *smt;
872 struct cxgb4_uld_info *uld;
873 void *uld_handle[CXGB4_ULD_MAX];
874 unsigned int num_uld;
875 unsigned int num_ofld_uld;
876 struct list_head list_node;
877 struct list_head rcu_node;
878 struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
882 struct tid_info tids;
883 void **tid_release_head;
884 spinlock_t tid_release_lock;
885 struct workqueue_struct *workq;
886 struct work_struct tid_release_task;
887 struct work_struct db_full_task;
888 struct work_struct db_drop_task;
889 bool tid_release_task_busy;
891 /* lock for mailbox cmd list */
892 spinlock_t mbox_lock;
893 struct mbox_list mlist;
895 /* support for mailbox command/reply logging */
896 #define T4_OS_LOG_MBOX_CMDS 256
897 struct mbox_cmd_log *mbox_log;
899 struct mutex uld_mutex;
901 struct dentry *debugfs_root;
902 bool use_bd; /* Use SGE Back Door intfc for reading SGE Contexts */
903 bool trace_rss; /* 1 implies that different RSS flit per filter is
904 * used per filter else if 0 default RSS flit is
905 * used for all 4 filters.
908 struct ptp_clock *ptp_clock;
909 struct ptp_clock_info ptp_clock_info;
910 struct sk_buff *ptp_tx_skb;
913 spinlock_t stats_lock;
914 spinlock_t win0_lock ____cacheline_aligned_in_smp;
917 struct cxgb4_tc_u32_table *tc_u32;
918 struct chcr_stats_debug chcr_stats;
920 /* TC flower offload */
921 struct rhashtable flower_tbl;
922 struct rhashtable_params flower_ht_params;
923 struct timer_list flower_stats_timer;
924 struct work_struct flower_stats_work;
927 struct ethtool_dump eth_dump;
930 /* Support for "sched-class" command to allow a TX Scheduling Class to be
931 * programmed with various parameters.
933 struct ch_sched_params {
934 s8 type; /* packet or flow */
937 s8 level; /* scheduler hierarchy level */
938 s8 mode; /* per-class or per-flow */
939 s8 rateunit; /* bit or packet rate */
940 s8 ratemode; /* %port relative or kbps absolute */
941 s8 channel; /* scheduler channel [0..N] */
942 s8 class; /* scheduler class [0..N] */
943 s32 minrate; /* minimum rate */
944 s32 maxrate; /* maximum rate */
945 s16 weight; /* percent weight */
946 s16 pktsize; /* average packet size */
952 SCHED_CLASS_TYPE_PACKET = 0, /* class type */
956 SCHED_CLASS_LEVEL_CL_RL = 0, /* class rate limiter */
960 SCHED_CLASS_MODE_CLASS = 0, /* per-class scheduling */
964 SCHED_CLASS_RATEUNIT_BITS = 0, /* bit rate scheduling */
968 SCHED_CLASS_RATEMODE_ABS = 1, /* Kb/s */
971 /* Support for "sched_queue" command to allow one or more NIC TX Queues
972 * to be bound to a TX Scheduling Class.
974 struct ch_sched_queue {
975 s8 queue; /* queue index */
976 s8 class; /* class index */
979 /* Defined bit width of user definable filter tuples
981 #define ETHTYPE_BITWIDTH 16
982 #define FRAG_BITWIDTH 1
983 #define MACIDX_BITWIDTH 9
984 #define FCOE_BITWIDTH 1
985 #define IPORT_BITWIDTH 3
986 #define MATCHTYPE_BITWIDTH 3
987 #define PROTO_BITWIDTH 8
988 #define TOS_BITWIDTH 8
989 #define PF_BITWIDTH 8
990 #define VF_BITWIDTH 8
991 #define IVLAN_BITWIDTH 16
992 #define OVLAN_BITWIDTH 16
994 /* Filter matching rules. These consist of a set of ingress packet field
995 * (value, mask) tuples. The associated ingress packet field matches the
996 * tuple when ((field & mask) == value). (Thus a wildcard "don't care" field
997 * rule can be constructed by specifying a tuple of (0, 0).) A filter rule
998 * matches an ingress packet when all of the individual individual field
999 * matching rules are true.
1001 * Partial field masks are always valid, however, while it may be easy to
1002 * understand their meanings for some fields (e.g. IP address to match a
1003 * subnet), for others making sensible partial masks is less intuitive (e.g.
1004 * MPS match type) ...
1006 * Most of the following data structures are modeled on T4 capabilities.
1007 * Drivers for earlier chips use the subsets which make sense for those chips.
1008 * We really need to come up with a hardware-independent mechanism to
1009 * represent hardware filter capabilities ...
1011 struct ch_filter_tuple {
1012 /* Compressed header matching field rules. The TP_VLAN_PRI_MAP
1013 * register selects which of these fields will participate in the
1014 * filter match rules -- up to a maximum of 36 bits. Because
1015 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
1018 uint32_t ethtype:ETHTYPE_BITWIDTH; /* Ethernet type */
1019 uint32_t frag:FRAG_BITWIDTH; /* IP fragmentation header */
1020 uint32_t ivlan_vld:1; /* inner VLAN valid */
1021 uint32_t ovlan_vld:1; /* outer VLAN valid */
1022 uint32_t pfvf_vld:1; /* PF/VF valid */
1023 uint32_t macidx:MACIDX_BITWIDTH; /* exact match MAC index */
1024 uint32_t fcoe:FCOE_BITWIDTH; /* FCoE packet */
1025 uint32_t iport:IPORT_BITWIDTH; /* ingress port */
1026 uint32_t matchtype:MATCHTYPE_BITWIDTH; /* MPS match type */
1027 uint32_t proto:PROTO_BITWIDTH; /* protocol type */
1028 uint32_t tos:TOS_BITWIDTH; /* TOS/Traffic Type */
1029 uint32_t pf:PF_BITWIDTH; /* PCI-E PF ID */
1030 uint32_t vf:VF_BITWIDTH; /* PCI-E VF ID */
1031 uint32_t ivlan:IVLAN_BITWIDTH; /* inner VLAN */
1032 uint32_t ovlan:OVLAN_BITWIDTH; /* outer VLAN */
1034 /* Uncompressed header matching field rules. These are always
1035 * available for field rules.
1037 uint8_t lip[16]; /* local IP address (IPv4 in [3:0]) */
1038 uint8_t fip[16]; /* foreign IP address (IPv4 in [3:0]) */
1039 uint16_t lport; /* local port */
1040 uint16_t fport; /* foreign port */
1043 /* A filter ioctl command.
1045 struct ch_filter_specification {
1046 /* Administrative fields for filter.
1048 uint32_t hitcnts:1; /* count filter hits in TCB */
1049 uint32_t prio:1; /* filter has priority over active/server */
1051 /* Fundamental filter typing. This is the one element of filter
1052 * matching that doesn't exist as a (value, mask) tuple.
1054 uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */
1055 u32 hash:1; /* 0 => wild-card, 1 => exact-match */
1057 /* Packet dispatch information. Ingress packets which match the
1058 * filter rules will be dropped, passed to the host or switched back
1059 * out as egress packets.
1061 uint32_t action:2; /* drop, pass, switch */
1063 uint32_t rpttid:1; /* report TID in RSS hash field */
1065 uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */
1066 uint32_t iq:10; /* ingress queue */
1068 uint32_t maskhash:1; /* dirsteer=0: store RSS hash in TCB */
1069 uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
1070 /* 1 => TCB contains IQ ID */
1072 /* Switch proxy/rewrite fields. An ingress packet which matches a
1073 * filter with "switch" set will be looped back out as an egress
1074 * packet -- potentially with some Ethernet header rewriting.
1076 uint32_t eport:2; /* egress port to switch packet out */
1077 uint32_t newdmac:1; /* rewrite destination MAC address */
1078 uint32_t newsmac:1; /* rewrite source MAC address */
1079 uint32_t newvlan:2; /* rewrite VLAN Tag */
1080 uint32_t nat_mode:3; /* specify NAT operation mode */
1081 uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
1082 uint8_t smac[ETH_ALEN]; /* new source MAC address */
1083 uint16_t vlan; /* VLAN Tag to insert */
1085 u8 nat_lip[16]; /* local IP to use after NAT'ing */
1086 u8 nat_fip[16]; /* foreign IP to use after NAT'ing */
1087 u16 nat_lport; /* local port to use after NAT'ing */
1088 u16 nat_fport; /* foreign port to use after NAT'ing */
1090 /* reservation for future additions */
1093 /* Filter rule value/mask pairs.
1095 struct ch_filter_tuple val;
1096 struct ch_filter_tuple mask;
1100 FILTER_PASS = 0, /* default */
1106 VLAN_NOCHANGE = 0, /* default */
1113 NAT_MODE_NONE = 0, /* No NAT performed */
1114 NAT_MODE_DIP, /* NAT on Dst IP */
1115 NAT_MODE_DIP_DP, /* NAT on Dst IP, Dst Port */
1116 NAT_MODE_DIP_DP_SIP, /* NAT on Dst IP, Dst Port and Src IP */
1117 NAT_MODE_DIP_DP_SP, /* NAT on Dst IP, Dst Port and Src Port */
1118 NAT_MODE_SIP_SP, /* NAT on Src IP and Src Port */
1119 NAT_MODE_DIP_SIP_SP, /* NAT on Dst IP, Src IP and Src Port */
1120 NAT_MODE_ALL /* NAT on entire 4-tuple */
1123 /* Host shadow copy of ingress filter entry. This is in host native format
1124 * and doesn't match the ordering or bit order, etc. of the hardware of the
1125 * firmware command. The use of bit-field structure elements is purely to
1126 * remind ourselves of the field size limitations and save memory in the case
1127 * where the filter table is large.
1129 struct filter_entry {
1130 /* Administrative fields for filter. */
1131 u32 valid:1; /* filter allocated and valid */
1132 u32 locked:1; /* filter is administratively locked */
1134 u32 pending:1; /* filter action is pending firmware reply */
1135 struct filter_ctx *ctx; /* Caller's completion hook */
1136 struct l2t_entry *l2t; /* Layer Two Table entry for dmac */
1137 struct smt_entry *smt; /* Source Mac Table entry for smac */
1138 struct net_device *dev; /* Associated net device */
1139 u32 tid; /* This will store the actual tid */
1141 /* The filter itself. Most of this is a straight copy of information
1142 * provided by the extended ioctl(). Some fields are translated to
1143 * internal forms -- for instance the Ingress Queue ID passed in from
1144 * the ioctl() is translated into the Absolute Ingress Queue ID.
1146 struct ch_filter_specification fs;
1149 static inline int is_offload(const struct adapter *adap)
1151 return adap->params.offload;
1154 static inline int is_hashfilter(const struct adapter *adap)
1156 return adap->params.hash_filter;
1159 static inline int is_pci_uld(const struct adapter *adap)
1161 return adap->params.crypto;
1164 static inline int is_uld(const struct adapter *adap)
1166 return (adap->params.offload || adap->params.crypto);
1169 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
1171 return readl(adap->regs + reg_addr);
1174 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
1176 writel(val, adap->regs + reg_addr);
1180 static inline u64 readq(const volatile void __iomem *addr)
1182 return readl(addr) + ((u64)readl(addr + 4) << 32);
1185 static inline void writeq(u64 val, volatile void __iomem *addr)
1188 writel(val >> 32, addr + 4);
1192 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
1194 return readq(adap->regs + reg_addr);
1197 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
1199 writeq(val, adap->regs + reg_addr);
1203 * t4_set_hw_addr - store a port's MAC address in SW
1204 * @adapter: the adapter
1205 * @port_idx: the port index
1206 * @hw_addr: the Ethernet address
1208 * Store the Ethernet address of the given port in SW. Called by the common
1209 * code when it retrieves a port's Ethernet address from EEPROM.
1211 static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
1214 ether_addr_copy(adapter->port[port_idx]->dev_addr, hw_addr);
1215 ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr);
1219 * netdev2pinfo - return the port_info structure associated with a net_device
1222 * Return the struct port_info associated with a net_device
1224 static inline struct port_info *netdev2pinfo(const struct net_device *dev)
1226 return netdev_priv(dev);
1230 * adap2pinfo - return the port_info of a port
1231 * @adap: the adapter
1232 * @idx: the port index
1234 * Return the port_info structure for the port of the given index.
1236 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
1238 return netdev_priv(adap->port[idx]);
1242 * netdev2adap - return the adapter structure associated with a net_device
1245 * Return the struct adapter associated with a net_device
1247 static inline struct adapter *netdev2adap(const struct net_device *dev)
1249 return netdev2pinfo(dev)->adapter;
1252 /* Return a version number to identify the type of adapter. The scheme is:
1253 * - bits 0..9: chip version
1254 * - bits 10..15: chip revision
1255 * - bits 16..23: register dump version
1257 static inline unsigned int mk_adap_vers(struct adapter *ap)
1259 return CHELSIO_CHIP_VERSION(ap->params.chip) |
1260 (CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
1263 /* Return a queue's interrupt hold-off time in us. 0 means no timer. */
1264 static inline unsigned int qtimer_val(const struct adapter *adap,
1265 const struct sge_rspq *q)
1267 unsigned int idx = q->intr_params >> 1;
1269 return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
1272 /* driver version & name used for ethtool_drvinfo */
1273 extern char cxgb4_driver_name[];
1274 extern const char cxgb4_driver_version[];
1276 void t4_os_portmod_changed(const struct adapter *adap, int port_id);
1277 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1279 void t4_free_sge_resources(struct adapter *adap);
1280 void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
1281 irq_handler_t t4_intr_handler(struct adapter *adap);
1282 netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev);
1283 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1284 const struct pkt_gl *gl);
1285 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1286 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1287 int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
1288 struct net_device *dev, int intr_idx,
1289 struct sge_fl *fl, rspq_handler_t hnd,
1290 rspq_flush_handler_t flush_handler, int cong);
1291 int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
1292 struct net_device *dev, struct netdev_queue *netdevq,
1294 int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
1295 struct net_device *dev, unsigned int iqid,
1296 unsigned int cmplqid);
1297 int t4_sge_mod_ctrl_txq(struct adapter *adap, unsigned int eqid,
1298 unsigned int cmplqid);
1299 int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq,
1300 struct net_device *dev, unsigned int iqid,
1301 unsigned int uld_type);
1302 irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1303 int t4_sge_init(struct adapter *adap);
1304 void t4_sge_start(struct adapter *adap);
1305 void t4_sge_stop(struct adapter *adap);
1306 void cxgb4_set_ethtool_ops(struct net_device *netdev);
1307 int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1308 extern int dbfifo_int_thresh;
1310 #define for_each_port(adapter, iter) \
1311 for (iter = 0; iter < (adapter)->params.nports; ++iter)
1313 static inline int is_bypass(struct adapter *adap)
1315 return adap->params.bypass;
1318 static inline int is_bypass_device(int device)
1320 /* this should be set based upon device capabilities */
1330 static inline int is_10gbt_device(int device)
1332 /* this should be set based upon device capabilities */
1343 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1345 return adap->params.vpd.cclk / 1000;
1348 static inline unsigned int us_to_core_ticks(const struct adapter *adap,
1351 return (us * adap->params.vpd.cclk) / 1000;
1354 static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
1357 /* add Core Clock / 2 to round ticks to nearest uS */
1358 return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
1359 adapter->params.vpd.cclk);
1362 static inline unsigned int dack_ticks_to_usec(const struct adapter *adap,
1365 return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap);
1368 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1371 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1372 int size, void *rpl, bool sleep_ok, int timeout);
1373 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1374 void *rpl, bool sleep_ok);
1376 static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox,
1377 const void *cmd, int size, void *rpl,
1380 return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true,
1384 static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
1385 int size, void *rpl)
1387 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
1390 static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
1391 int size, void *rpl)
1393 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
1397 * hash_mac_addr - return the hash value of a MAC address
1398 * @addr: the 48-bit Ethernet MAC address
1400 * Hashes a MAC address according to the hash function used by HW inexact
1401 * (hash) address matching.
1403 static inline int hash_mac_addr(const u8 *addr)
1405 u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
1406 u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
1414 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1416 static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
1417 unsigned int us, unsigned int cnt,
1418 unsigned int size, unsigned int iqe_size)
1421 cxgb4_set_rspq_intr_params(q, us, cnt);
1422 q->iqe_len = iqe_size;
1426 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
1427 unsigned int data_reg, const u32 *vals,
1428 unsigned int nregs, unsigned int start_idx);
1429 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
1430 unsigned int data_reg, u32 *vals, unsigned int nregs,
1431 unsigned int start_idx);
1432 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1434 struct fw_filter_wr;
1436 void t4_intr_enable(struct adapter *adapter);
1437 void t4_intr_disable(struct adapter *adapter);
1438 int t4_slow_intr_handler(struct adapter *adapter);
1440 int t4_wait_dev_ready(void __iomem *regs);
1441 int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port,
1442 struct link_config *lc);
1443 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1445 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
1446 u32 t4_get_util_window(struct adapter *adap);
1447 void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
1449 #define T4_MEMORY_WRITE 0
1450 #define T4_MEMORY_READ 1
1451 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1452 void *buf, int dir);
1453 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
1454 u32 len, __be32 *buf)
1456 return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
1459 unsigned int t4_get_regs_len(struct adapter *adapter);
1460 void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1462 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz);
1463 int t4_seeprom_wp(struct adapter *adapter, bool enable);
1464 int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
1465 int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1466 int t4_read_flash(struct adapter *adapter, unsigned int addr,
1467 unsigned int nwords, u32 *data, int byte_oriented);
1468 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1469 int t4_load_phy_fw(struct adapter *adap,
1470 int win, spinlock_t *lock,
1471 int (*phy_fw_version)(const u8 *, size_t),
1472 const u8 *phy_fw_data, size_t phy_fw_size);
1473 int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
1474 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1475 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1476 const u8 *fw_data, unsigned int size, int force);
1477 int t4_fl_pkt_align(struct adapter *adap);
1478 unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1479 int t4_check_fw_version(struct adapter *adap);
1480 int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
1481 int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1482 int t4_get_bs_version(struct adapter *adapter, u32 *vers);
1483 int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1484 int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1485 int t4_get_scfg_version(struct adapter *adapter, u32 *vers);
1486 int t4_get_vpd_version(struct adapter *adapter, u32 *vers);
1487 int t4_get_version_info(struct adapter *adapter);
1488 void t4_dump_version_info(struct adapter *adapter);
1489 int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1490 const u8 *fw_data, unsigned int fw_size,
1491 struct fw_hdr *card_fw, enum dev_state state, int *reset);
1492 int t4_prep_adapter(struct adapter *adapter);
1493 int t4_shutdown_adapter(struct adapter *adapter);
1495 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1496 int t4_bar2_sge_qregs(struct adapter *adapter,
1498 enum t4_bar2_qtype qtype,
1501 unsigned int *pbar2_qid);
1503 unsigned int qtimer_val(const struct adapter *adap,
1504 const struct sge_rspq *q);
1506 int t4_init_devlog_params(struct adapter *adapter);
1507 int t4_init_sge_params(struct adapter *adapter);
1508 int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
1509 int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1510 int t4_init_rss_mode(struct adapter *adap, int mbox);
1511 int t4_init_portinfo(struct port_info *pi, int mbox,
1512 int port, int pf, int vf, u8 mac[]);
1513 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1514 void t4_fatal_err(struct adapter *adapter);
1515 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1516 int start, int n, const u16 *rspq, unsigned int nrspq);
1517 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1518 unsigned int flags);
1519 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
1520 unsigned int flags, unsigned int defq);
1521 int t4_read_rss(struct adapter *adapter, u16 *entries);
1522 void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
1523 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
1525 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1526 u32 *valp, bool sleep_ok);
1527 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1528 u32 *vfl, u32 *vfh, bool sleep_ok);
1529 u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
1530 u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
1532 unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx);
1533 unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx);
1534 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1535 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1536 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1538 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1540 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1541 unsigned int *valp);
1542 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1543 const unsigned int *valp);
1544 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1545 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
1546 unsigned int *pif_req_wrptr,
1547 unsigned int *pif_rsp_wrptr);
1548 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
1549 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1550 const char *t4_get_port_type_description(enum fw_port_type port_type);
1551 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1552 void t4_get_port_stats_offset(struct adapter *adap, int idx,
1553 struct port_stats *stats,
1554 struct port_stats *offset);
1555 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
1556 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1557 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1558 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1559 unsigned int mask, unsigned int val);
1560 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1561 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
1563 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
1565 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
1567 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
1569 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1570 struct tp_tcp_stats *v6, bool sleep_ok);
1571 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
1572 struct tp_fcoe_stats *st, bool sleep_ok);
1573 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1574 const unsigned short *alpha, const unsigned short *beta);
1576 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1578 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
1579 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1581 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
1583 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
1584 u64 mask0, u64 mask1, unsigned int crc, bool enable);
1586 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1587 enum dev_master master, enum dev_state *state);
1588 int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1589 int t4_early_init(struct adapter *adap, unsigned int mbox);
1590 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1591 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1592 unsigned int cache_line_size);
1593 int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1594 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1595 unsigned int vf, unsigned int nparams, const u32 *params,
1597 int t4_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf,
1598 unsigned int vf, unsigned int nparams, const u32 *params,
1600 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
1601 unsigned int vf, unsigned int nparams, const u32 *params,
1602 u32 *val, int rw, bool sleep_ok);
1603 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
1604 unsigned int pf, unsigned int vf,
1605 unsigned int nparams, const u32 *params,
1606 const u32 *val, int timeout);
1607 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1608 unsigned int vf, unsigned int nparams, const u32 *params,
1610 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1611 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1612 unsigned int rxqi, unsigned int rxq, unsigned int tc,
1613 unsigned int vi, unsigned int cmask, unsigned int pmask,
1614 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1615 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1616 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1617 unsigned int *rss_size);
1618 int t4_free_vi(struct adapter *adap, unsigned int mbox,
1619 unsigned int pf, unsigned int vf,
1621 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
1622 int mtu, int promisc, int all_multi, int bcast, int vlanex,
1624 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
1625 unsigned int viid, bool free, unsigned int naddr,
1626 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
1627 int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
1628 unsigned int viid, unsigned int naddr,
1629 const u8 **addr, bool sleep_ok);
1630 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
1631 int idx, const u8 *addr, bool persist, bool add_smt);
1632 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
1633 bool ucast, u64 vec, bool sleep_ok);
1634 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
1635 unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
1636 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
1637 bool rx_en, bool tx_en);
1638 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
1639 unsigned int nblinks);
1640 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1641 unsigned int mmd, unsigned int reg, u16 *valp);
1642 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1643 unsigned int mmd, unsigned int reg, u16 val);
1644 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
1645 unsigned int vf, unsigned int iqtype, unsigned int iqid,
1646 unsigned int fl0id, unsigned int fl1id);
1647 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1648 unsigned int vf, unsigned int iqtype, unsigned int iqid,
1649 unsigned int fl0id, unsigned int fl1id);
1650 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1651 unsigned int vf, unsigned int eqid);
1652 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1653 unsigned int vf, unsigned int eqid);
1654 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1655 unsigned int vf, unsigned int eqid);
1656 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox);
1657 void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
1658 int t4_update_port_info(struct port_info *pi);
1659 int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
1660 unsigned int *speedp, unsigned int *mtup);
1661 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
1662 void t4_db_full(struct adapter *adapter);
1663 void t4_db_dropped(struct adapter *adapter);
1664 int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
1665 int filter_index, int enable);
1666 void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
1667 int filter_index, int *enabled);
1668 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
1670 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
1671 void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
1672 unsigned int *kbps, unsigned int *ipg, bool sleep_ok);
1673 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
1674 enum ctxt_type ctype, u32 *data);
1675 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
1676 enum ctxt_type ctype, u32 *data);
1677 int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
1678 int rateunit, int ratemode, int channel, int class,
1679 int minrate, int maxrate, int weight, int pktsize);
1680 void t4_sge_decode_idma_state(struct adapter *adapter, int state);
1681 void t4_idma_monitor_init(struct adapter *adapter,
1682 struct sge_idma_monitor_state *idma);
1683 void t4_idma_monitor(struct adapter *adapter,
1684 struct sge_idma_monitor_state *idma,
1686 int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
1687 unsigned int naddr, u8 *addr);
1688 void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
1689 u32 start_index, bool sleep_ok);
1690 void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
1691 u32 start_index, bool sleep_ok);
1692 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
1693 u32 start_index, bool sleep_ok);
1695 void t4_uld_mem_free(struct adapter *adap);
1696 int t4_uld_mem_alloc(struct adapter *adap);
1697 void t4_uld_clean_up(struct adapter *adap);
1698 void t4_register_netevent_notifier(void);
1699 void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
1700 void free_tx_desc(struct adapter *adap, struct sge_txq *q,
1701 unsigned int n, bool unmap);
1702 void free_txq(struct adapter *adap, struct sge_txq *q);
1703 #endif /* __CXGB4_H__ */