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),
85 MEMWIN0_APERTURE = 2048,
86 MEMWIN0_BASE = 0x1b800,
87 MEMWIN1_APERTURE = 32768,
88 MEMWIN1_BASE = 0x28000,
89 MEMWIN1_BASE_T5 = 0x52000,
90 MEMWIN2_APERTURE = 65536,
91 MEMWIN2_BASE = 0x30000,
92 MEMWIN2_APERTURE_T5 = 131072,
93 MEMWIN2_BASE_T5 = 0x60000,
111 PAUSE_AUTONEG = 1 << 2
115 FEC_AUTO = 1 << 0, /* IEEE 802.3 "automatic" */
116 FEC_RS = 1 << 1, /* Reed-Solomon */
117 FEC_BASER_RS = 1 << 2 /* BaseR/Reed-Solomon */
121 u64 tx_octets; /* total # of octets in good frames */
122 u64 tx_frames; /* all good frames */
123 u64 tx_bcast_frames; /* all broadcast frames */
124 u64 tx_mcast_frames; /* all multicast frames */
125 u64 tx_ucast_frames; /* all unicast frames */
126 u64 tx_error_frames; /* all error frames */
128 u64 tx_frames_64; /* # of Tx frames in a particular range */
129 u64 tx_frames_65_127;
130 u64 tx_frames_128_255;
131 u64 tx_frames_256_511;
132 u64 tx_frames_512_1023;
133 u64 tx_frames_1024_1518;
134 u64 tx_frames_1519_max;
136 u64 tx_drop; /* # of dropped Tx frames */
137 u64 tx_pause; /* # of transmitted pause frames */
138 u64 tx_ppp0; /* # of transmitted PPP prio 0 frames */
139 u64 tx_ppp1; /* # of transmitted PPP prio 1 frames */
140 u64 tx_ppp2; /* # of transmitted PPP prio 2 frames */
141 u64 tx_ppp3; /* # of transmitted PPP prio 3 frames */
142 u64 tx_ppp4; /* # of transmitted PPP prio 4 frames */
143 u64 tx_ppp5; /* # of transmitted PPP prio 5 frames */
144 u64 tx_ppp6; /* # of transmitted PPP prio 6 frames */
145 u64 tx_ppp7; /* # of transmitted PPP prio 7 frames */
147 u64 rx_octets; /* total # of octets in good frames */
148 u64 rx_frames; /* all good frames */
149 u64 rx_bcast_frames; /* all broadcast frames */
150 u64 rx_mcast_frames; /* all multicast frames */
151 u64 rx_ucast_frames; /* all unicast frames */
152 u64 rx_too_long; /* # of frames exceeding MTU */
153 u64 rx_jabber; /* # of jabber frames */
154 u64 rx_fcs_err; /* # of received frames with bad FCS */
155 u64 rx_len_err; /* # of received frames with length error */
156 u64 rx_symbol_err; /* symbol errors */
157 u64 rx_runt; /* # of short frames */
159 u64 rx_frames_64; /* # of Rx frames in a particular range */
160 u64 rx_frames_65_127;
161 u64 rx_frames_128_255;
162 u64 rx_frames_256_511;
163 u64 rx_frames_512_1023;
164 u64 rx_frames_1024_1518;
165 u64 rx_frames_1519_max;
167 u64 rx_pause; /* # of received pause frames */
168 u64 rx_ppp0; /* # of received PPP prio 0 frames */
169 u64 rx_ppp1; /* # of received PPP prio 1 frames */
170 u64 rx_ppp2; /* # of received PPP prio 2 frames */
171 u64 rx_ppp3; /* # of received PPP prio 3 frames */
172 u64 rx_ppp4; /* # of received PPP prio 4 frames */
173 u64 rx_ppp5; /* # of received PPP prio 5 frames */
174 u64 rx_ppp6; /* # of received PPP prio 6 frames */
175 u64 rx_ppp7; /* # of received PPP prio 7 frames */
177 u64 rx_ovflow0; /* drops due to buffer-group 0 overflows */
178 u64 rx_ovflow1; /* drops due to buffer-group 1 overflows */
179 u64 rx_ovflow2; /* drops due to buffer-group 2 overflows */
180 u64 rx_ovflow3; /* drops due to buffer-group 3 overflows */
181 u64 rx_trunc0; /* buffer-group 0 truncated packets */
182 u64 rx_trunc1; /* buffer-group 1 truncated packets */
183 u64 rx_trunc2; /* buffer-group 2 truncated packets */
184 u64 rx_trunc3; /* buffer-group 3 truncated packets */
187 struct lb_port_stats {
200 u64 frames_1024_1518;
215 struct tp_tcp_stats {
219 u64 tcp_retrans_segs;
222 struct tp_usm_stats {
228 struct tp_fcoe_stats {
234 struct tp_err_stats {
238 u32 tnl_cong_drops[4];
239 u32 ofld_chan_drops[4];
241 u32 ofld_vlan_drops[4];
247 struct tp_cpl_stats {
252 struct tp_rdma_stats {
258 u32 hps; /* host page size for our PF/VF */
259 u32 eq_qpp; /* egress queues/page for our PF/VF */
260 u32 iq_qpp; /* egress queues/page for our PF/VF */
264 unsigned int tre; /* log2 of core clocks per TP tick */
265 unsigned int la_mask; /* what events are recorded by TP LA */
266 unsigned short tx_modq_map; /* TX modulation scheduler queue to */
269 uint32_t dack_re; /* DACK timer resolution */
270 unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */
272 u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */
273 u32 ingress_config; /* cached TP_INGRESS_CONFIG */
275 /* cached TP_OUT_CONFIG compressed error vector
276 * and passing outer header info for encapsulated packets.
280 /* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets. This is a
281 * subset of the set of fields which may be present in the Compressed
282 * Filter Tuple portion of filters and TCP TCB connections. The
283 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
284 * Since a variable number of fields may or may not be present, their
285 * shifted field positions within the Compressed Filter Tuple may
286 * vary, or not even be present if the field isn't selected in
287 * TP_VLAN_PRI_MAP. Since some of these fields are needed in various
288 * places we store their offsets here, or a -1 if the field isn't
302 u64 hash_filter_mask;
308 u8 sn[SERNUM_LEN + 1];
311 u8 na[MACADDR_LEN + 1];
319 struct devlog_params {
320 u32 memtype; /* which memory (EDC0, EDC1, MC) */
321 u32 start; /* start of log in firmware memory */
322 u32 size; /* size of log */
325 /* Stores chip specific parameters */
326 struct arch_specific_params {
329 u8 cng_ch_bits_log; /* congestion channel map bits width */
336 struct adapter_params {
337 struct sge_params sge;
339 struct vpd_params vpd;
340 struct pci_params pci;
341 struct devlog_params devlog;
342 enum pcie_memwin drv_memwin;
344 unsigned int cim_la_size;
346 unsigned int sf_size; /* serial flash size in bytes */
347 unsigned int sf_nsec; /* # of flash sectors */
348 unsigned int sf_fw_start; /* start of FW image in flash */
350 unsigned int fw_vers; /* firmware version */
351 unsigned int bs_vers; /* bootstrap version */
352 unsigned int tp_vers; /* TP microcode version */
353 unsigned int er_vers; /* expansion ROM version */
354 unsigned int scfg_vers; /* Serial Configuration version */
355 unsigned int vpd_vers; /* VPD Version */
358 unsigned short mtus[NMTUS];
359 unsigned short a_wnd[NCCTRL_WIN];
360 unsigned short b_wnd[NCCTRL_WIN];
362 unsigned char nports; /* # of ethernet ports */
363 unsigned char portvec;
364 enum chip_type chip; /* chip code */
365 struct arch_specific_params arch; /* chip specific params */
366 unsigned char offload;
367 unsigned char crypto; /* HW capability for crypto */
369 unsigned char bypass;
370 unsigned char hash_filter;
372 unsigned int ofldq_wr_cred;
373 bool ulptx_memwrite_dsgl; /* use of T5 DSGL allowed */
375 unsigned int nsched_cls; /* number of traffic classes */
376 unsigned int max_ordird_qp; /* Max read depth per RDMA QP */
377 unsigned int max_ird_adapter; /* Max read depth per adapter */
378 bool fr_nsmr_tpte_wr_support; /* FW support for FR_NSMR_TPTE_WR */
379 u8 fw_caps_support; /* 32-bit Port Capabilities */
380 bool filter2_wr_support; /* FW support for FILTER2_WR */
382 /* MPS Buffer Group Map[per Port]. Bit i is set if buffer group i is
385 u8 mps_bg_map[MAX_NPORTS]; /* MPS Buffer Group Map */
388 /* State needed to monitor the forward progress of SGE Ingress DMA activities
389 * and possible hangs.
391 struct sge_idma_monitor_state {
392 unsigned int idma_1s_thresh; /* 1s threshold in Core Clock ticks */
393 unsigned int idma_stalled[2]; /* synthesized stalled timers in HZ */
394 unsigned int idma_state[2]; /* IDMA Hang detect state */
395 unsigned int idma_qid[2]; /* IDMA Hung Ingress Queue ID */
396 unsigned int idma_warn[2]; /* time to warning in HZ */
399 /* Firmware Mailbox Command/Reply log. All values are in Host-Endian format.
400 * The access and execute times are signed in order to accommodate negative
404 u64 cmd[MBOX_LEN / 8]; /* a Firmware Mailbox Command/Reply */
405 u64 timestamp; /* OS-dependent timestamp */
406 u32 seqno; /* sequence number */
407 s16 access; /* time (ms) to access mailbox */
408 s16 execute; /* time (ms) to execute */
411 struct mbox_cmd_log {
412 unsigned int size; /* number of entries in the log */
413 unsigned int cursor; /* next position in the log to write */
414 u32 seqno; /* next sequence number */
415 /* variable length mailbox command log starts here */
418 /* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
419 * return a pointer to the specified entry.
421 static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
422 unsigned int entry_idx)
424 return &((struct mbox_cmd *)&(log)[1])[entry_idx];
427 #include "t4fw_api.h"
429 #define FW_VERSION(chip) ( \
430 FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
431 FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
432 FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
433 FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
434 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
440 struct fw_hdr fw_hdr;
443 struct trace_params {
444 u32 data[TRACE_LEN / 4];
445 u32 mask[TRACE_LEN / 4];
446 unsigned short snap_len;
447 unsigned short min_len;
448 unsigned char skip_ofst;
449 unsigned char skip_len;
450 unsigned char invert;
454 /* Firmware Port Capabilities types. */
456 typedef u16 fw_port_cap16_t; /* 16-bit Port Capabilities integral value */
457 typedef u32 fw_port_cap32_t; /* 32-bit Port Capabilities integral value */
460 FW_CAPS_UNKNOWN = 0, /* 0'ed out initial state */
461 FW_CAPS16 = 1, /* old Firmware: 16-bit Port Capabilities */
462 FW_CAPS32 = 2, /* new Firmware: 32-bit Port Capabilities */
466 fw_port_cap32_t pcaps; /* link capabilities */
467 fw_port_cap32_t def_acaps; /* default advertised capabilities */
468 fw_port_cap32_t acaps; /* advertised capabilities */
469 fw_port_cap32_t lpacaps; /* peer advertised capabilities */
471 fw_port_cap32_t speed_caps; /* speed(s) user has requested */
472 unsigned int speed; /* actual link speed (Mb/s) */
474 enum cc_pause requested_fc; /* flow control user has requested */
475 enum cc_pause fc; /* actual link flow control */
477 enum cc_fec requested_fec; /* Forward Error Correction: */
478 enum cc_fec fec; /* requested and actual in use */
480 unsigned char autoneg; /* autonegotiating? */
482 unsigned char link_ok; /* link up? */
483 unsigned char link_down_rc; /* link down reason */
486 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
489 MAX_ETH_QSETS = 32, /* # of Ethernet Tx/Rx queue sets */
490 MAX_OFLD_QSETS = 16, /* # of offload Tx, iscsi Rx queue sets */
491 MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */
495 MAX_TXQ_ENTRIES = 16384,
496 MAX_CTRL_TXQ_ENTRIES = 1024,
497 MAX_RSPQ_ENTRIES = 16384,
498 MAX_RX_BUFFERS = 16384,
499 MIN_TXQ_ENTRIES = 32,
500 MIN_CTRL_TXQ_ENTRIES = 32,
501 MIN_RSPQ_ENTRIES = 128,
506 INGQ_EXTRAS = 2, /* firmware event queue and */
507 /* forwarded interrupts */
508 MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS,
514 #include "cxgb4_dcb.h"
516 #ifdef CONFIG_CHELSIO_T4_FCOE
517 #include "cxgb4_fcoe.h"
518 #endif /* CONFIG_CHELSIO_T4_FCOE */
521 struct adapter *adapter;
523 s16 xact_addr_filt; /* index of exact MAC address filter */
524 u16 rss_size; /* size of VI's RSS table slice */
526 enum fw_port_type port_type;
530 u8 lport; /* associated offload logical port */
531 u8 nqsets; /* # of qsets */
532 u8 first_qset; /* index of first qset */
534 struct link_config link_cfg;
536 struct port_stats stats_base;
537 #ifdef CONFIG_CHELSIO_T4_DCB
538 struct port_dcb_info dcb; /* Data Center Bridging support */
540 #ifdef CONFIG_CHELSIO_T4_FCOE
541 struct cxgb_fcoe fcoe;
542 #endif /* CONFIG_CHELSIO_T4_FCOE */
543 bool rxtstamp; /* Enable TS */
544 struct hwtstamp_config tstamp_config;
546 struct sched_table *sched_tbl;
552 enum { /* adapter flags */
553 FULL_INIT_DONE = (1 << 0),
554 DEV_ENABLED = (1 << 1),
555 USING_MSI = (1 << 2),
556 USING_MSIX = (1 << 3),
558 RSS_TNLALLLOOKUP = (1 << 5),
559 USING_SOFT_PARAMS = (1 << 6),
560 MASTER_PF = (1 << 7),
561 FW_OFLD_CONN = (1 << 9),
562 ROOT_NO_RELAXED_ORDERING = (1 << 10),
563 SHUTTING_DOWN = (1 << 11),
567 ULP_CRYPTO_LOOKASIDE = 1 << 0,
572 struct sge_fl { /* SGE free-buffer queue state */
573 unsigned int avail; /* # of available Rx buffers */
574 unsigned int pend_cred; /* new buffers since last FL DB ring */
575 unsigned int cidx; /* consumer index */
576 unsigned int pidx; /* producer index */
577 unsigned long alloc_failed; /* # of times buffer allocation failed */
578 unsigned long large_alloc_failed;
579 unsigned long mapping_err; /* # of RX Buffer DMA Mapping failures */
580 unsigned long low; /* # of times momentarily starving */
581 unsigned long starving;
583 unsigned int cntxt_id; /* SGE context id for the free list */
584 unsigned int size; /* capacity of free list */
585 struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */
586 __be64 *desc; /* address of HW Rx descriptor ring */
587 dma_addr_t addr; /* bus address of HW ring start */
588 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
589 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
592 /* A packet gather list */
594 u64 sgetstamp; /* SGE Time Stamp for Ingress Packet */
595 struct page_frag frags[MAX_SKB_FRAGS];
596 void *va; /* virtual address of first byte */
597 unsigned int nfrags; /* # of fragments */
598 unsigned int tot_len; /* total length of fragments */
601 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
602 const struct pkt_gl *gl);
603 typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
604 /* LRO related declarations for ULD */
606 #define MAX_LRO_SESSIONS 64
607 u8 lro_session_cnt; /* # of sessions to aggregate */
608 unsigned long lro_pkts; /* # of LRO super packets */
609 unsigned long lro_merged; /* # of wire packets merged by LRO */
610 struct sk_buff_head lroq; /* list of aggregated sessions */
613 struct sge_rspq { /* state for an SGE response queue */
614 struct napi_struct napi;
615 const __be64 *cur_desc; /* current descriptor in queue */
616 unsigned int cidx; /* consumer index */
617 u8 gen; /* current generation bit */
618 u8 intr_params; /* interrupt holdoff parameters */
619 u8 next_intr_params; /* holdoff params for next interrupt */
621 u8 pktcnt_idx; /* interrupt packet threshold */
622 u8 uld; /* ULD handling this queue */
623 u8 idx; /* queue index within its group */
624 int offset; /* offset into current Rx buffer */
625 u16 cntxt_id; /* SGE context id for the response q */
626 u16 abs_id; /* absolute SGE id for the response q */
627 __be64 *desc; /* address of HW response ring */
628 dma_addr_t phys_addr; /* physical address of the ring */
629 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
630 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
631 unsigned int iqe_len; /* entry size */
632 unsigned int size; /* capacity of response queue */
633 struct adapter *adap;
634 struct net_device *netdev; /* associated net device */
635 rspq_handler_t handler;
636 rspq_flush_handler_t flush_handler;
637 struct t4_lro_mgr lro_mgr;
640 struct sge_eth_stats { /* Ethernet queue statistics */
641 unsigned long pkts; /* # of ethernet packets */
642 unsigned long lro_pkts; /* # of LRO super packets */
643 unsigned long lro_merged; /* # of wire packets merged by LRO */
644 unsigned long rx_cso; /* # of Rx checksum offloads */
645 unsigned long vlan_ex; /* # of Rx VLAN extractions */
646 unsigned long rx_drops; /* # of packets dropped due to no mem */
649 struct sge_eth_rxq { /* SW Ethernet Rx queue */
650 struct sge_rspq rspq;
652 struct sge_eth_stats stats;
653 } ____cacheline_aligned_in_smp;
655 struct sge_ofld_stats { /* offload queue statistics */
656 unsigned long pkts; /* # of packets */
657 unsigned long imm; /* # of immediate-data packets */
658 unsigned long an; /* # of asynchronous notifications */
659 unsigned long nomem; /* # of responses deferred due to no mem */
662 struct sge_ofld_rxq { /* SW offload Rx queue */
663 struct sge_rspq rspq;
665 struct sge_ofld_stats stats;
666 } ____cacheline_aligned_in_smp;
675 unsigned int in_use; /* # of in-use Tx descriptors */
676 unsigned int q_type; /* Q type Eth/Ctrl/Ofld */
677 unsigned int size; /* # of descriptors */
678 unsigned int cidx; /* SW consumer index */
679 unsigned int pidx; /* producer index */
680 unsigned long stops; /* # of times q has been stopped */
681 unsigned long restarts; /* # of queue restarts */
682 unsigned int cntxt_id; /* SGE context id for the Tx q */
683 struct tx_desc *desc; /* address of HW Tx descriptor ring */
684 struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */
685 struct sge_qstat *stat; /* queue status entry */
686 dma_addr_t phys_addr; /* physical address of the ring */
689 unsigned short db_pidx;
690 unsigned short db_pidx_inc;
691 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
692 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
695 struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */
697 struct netdev_queue *txq; /* associated netdev TX queue */
698 #ifdef CONFIG_CHELSIO_T4_DCB
699 u8 dcb_prio; /* DCB Priority bound to queue */
701 unsigned long tso; /* # of TSO requests */
702 unsigned long tx_cso; /* # of Tx checksum offloads */
703 unsigned long vlan_ins; /* # of Tx VLAN insertions */
704 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
705 } ____cacheline_aligned_in_smp;
707 struct sge_uld_txq { /* state for an SGE offload Tx queue */
709 struct adapter *adap;
710 struct sk_buff_head sendq; /* list of backpressured packets */
711 struct tasklet_struct qresume_tsk; /* restarts the queue */
712 bool service_ofldq_running; /* service_ofldq() is processing sendq */
713 u8 full; /* the Tx ring is full */
714 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
715 } ____cacheline_aligned_in_smp;
717 struct sge_ctrl_txq { /* state for an SGE control Tx queue */
719 struct adapter *adap;
720 struct sk_buff_head sendq; /* list of backpressured packets */
721 struct tasklet_struct qresume_tsk; /* restarts the queue */
722 u8 full; /* the Tx ring is full */
723 } ____cacheline_aligned_in_smp;
725 struct sge_uld_rxq_info {
726 char name[IFNAMSIZ]; /* name of ULD driver */
727 struct sge_ofld_rxq *uldrxq; /* Rxq's for ULD */
728 u16 *msix_tbl; /* msix_tbl for uld */
729 u16 *rspq_id; /* response queue id's of rxq */
730 u16 nrxq; /* # of ingress uld queues */
731 u16 nciq; /* # of completion queues */
732 u8 uld; /* uld type */
735 struct sge_uld_txq_info {
736 struct sge_uld_txq *uldtxq; /* Txq's for ULD */
737 atomic_t users; /* num users */
738 u16 ntxq; /* # of egress uld queues */
742 struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
743 struct sge_eth_txq ptptxq;
744 struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
746 struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
747 struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
748 struct sge_uld_rxq_info **uld_rxq_info;
749 struct sge_uld_txq_info **uld_txq_info;
751 struct sge_rspq intrq ____cacheline_aligned_in_smp;
752 spinlock_t intrq_lock;
754 u16 max_ethqsets; /* # of available Ethernet queue sets */
755 u16 ethqsets; /* # of active Ethernet queue sets */
756 u16 ethtxq_rover; /* Tx queue to clean up next */
757 u16 ofldqsets; /* # of active ofld queue sets */
758 u16 nqs_per_uld; /* # of Rx queues per ULD */
759 u16 timer_val[SGE_NTIMERS];
760 u8 counter_val[SGE_NCOUNTERS];
761 u32 fl_pg_order; /* large page allocation size */
762 u32 stat_len; /* length of status page at ring end */
763 u32 pktshift; /* padding between CPL & packet data */
764 u32 fl_align; /* response queue message alignment */
765 u32 fl_starve_thres; /* Free List starvation threshold */
767 struct sge_idma_monitor_state idma_monitor;
768 unsigned int egr_start;
770 unsigned int ingr_start;
771 unsigned int ingr_sz;
772 void **egr_map; /* qid->queue egress queue map */
773 struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
774 unsigned long *starving_fl;
775 unsigned long *txq_maperr;
776 unsigned long *blocked_fl;
777 struct timer_list rx_timer; /* refills starving FLs */
778 struct timer_list tx_timer; /* checks Tx queues */
781 #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
782 #define for_each_ofldtxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++)
786 #ifdef CONFIG_PCI_IOV
788 /* T4 supports SRIOV on PF0-3 and T5 on PF0-7. However, the Serial
789 * Configuration initialization for T5 only has SR-IOV functionality enabled
790 * on PF0-3 in order to simplify everything.
792 #define NUM_OF_PF_WITH_SRIOV 4
796 struct doorbell_stats {
802 struct hash_mac_addr {
803 struct list_head list;
807 struct uld_msix_bmap {
808 unsigned long *msix_bmap;
809 unsigned int mapsize;
810 spinlock_t lock; /* lock for acquiring bitmap */
813 struct uld_msix_info {
815 char desc[IFNAMSIZ + 10];
820 unsigned char vf_mac_addr[ETH_ALEN];
821 unsigned int tx_rate;
826 struct list_head list;
833 struct pci_dev *pdev;
834 struct device *pdev_dev;
839 unsigned int adap_idx;
844 struct adapter_params params;
845 struct cxgb4_virt_res vres;
850 char desc[IFNAMSIZ + 10];
851 } msix_info[MAX_INGQ + 1];
852 struct uld_msix_info *msix_info_ulds; /* msix info for uld's */
853 struct uld_msix_bmap msix_bmap_ulds; /* msix bitmap for all uld */
856 struct doorbell_stats db_stats;
859 struct net_device *port[MAX_NPORTS];
860 u8 chan_map[NCHAN]; /* channel -> port map */
862 struct vf_info *vfinfo;
866 unsigned int l2t_start;
867 unsigned int l2t_end;
868 struct l2t_data *l2t;
869 unsigned int clipt_start;
870 unsigned int clipt_end;
871 struct clip_tbl *clipt;
872 struct smt_data *smt;
873 struct cxgb4_uld_info *uld;
874 void *uld_handle[CXGB4_ULD_MAX];
875 unsigned int num_uld;
876 unsigned int num_ofld_uld;
877 struct list_head list_node;
878 struct list_head rcu_node;
879 struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
883 struct tid_info tids;
884 void **tid_release_head;
885 spinlock_t tid_release_lock;
886 struct workqueue_struct *workq;
887 struct work_struct tid_release_task;
888 struct work_struct db_full_task;
889 struct work_struct db_drop_task;
890 bool tid_release_task_busy;
892 /* lock for mailbox cmd list */
893 spinlock_t mbox_lock;
894 struct mbox_list mlist;
896 /* support for mailbox command/reply logging */
897 #define T4_OS_LOG_MBOX_CMDS 256
898 struct mbox_cmd_log *mbox_log;
900 struct mutex uld_mutex;
902 struct dentry *debugfs_root;
903 bool use_bd; /* Use SGE Back Door intfc for reading SGE Contexts */
904 bool trace_rss; /* 1 implies that different RSS flit per filter is
905 * used per filter else if 0 default RSS flit is
906 * used for all 4 filters.
909 struct ptp_clock *ptp_clock;
910 struct ptp_clock_info ptp_clock_info;
911 struct sk_buff *ptp_tx_skb;
914 spinlock_t stats_lock;
915 spinlock_t win0_lock ____cacheline_aligned_in_smp;
918 struct cxgb4_tc_u32_table *tc_u32;
919 struct chcr_stats_debug chcr_stats;
921 /* TC flower offload */
922 struct rhashtable flower_tbl;
923 struct rhashtable_params flower_ht_params;
924 struct timer_list flower_stats_timer;
925 struct work_struct flower_stats_work;
928 struct ethtool_dump eth_dump;
931 /* Support for "sched-class" command to allow a TX Scheduling Class to be
932 * programmed with various parameters.
934 struct ch_sched_params {
935 s8 type; /* packet or flow */
938 s8 level; /* scheduler hierarchy level */
939 s8 mode; /* per-class or per-flow */
940 s8 rateunit; /* bit or packet rate */
941 s8 ratemode; /* %port relative or kbps absolute */
942 s8 channel; /* scheduler channel [0..N] */
943 s8 class; /* scheduler class [0..N] */
944 s32 minrate; /* minimum rate */
945 s32 maxrate; /* maximum rate */
946 s16 weight; /* percent weight */
947 s16 pktsize; /* average packet size */
953 SCHED_CLASS_TYPE_PACKET = 0, /* class type */
957 SCHED_CLASS_LEVEL_CL_RL = 0, /* class rate limiter */
961 SCHED_CLASS_MODE_CLASS = 0, /* per-class scheduling */
965 SCHED_CLASS_RATEUNIT_BITS = 0, /* bit rate scheduling */
969 SCHED_CLASS_RATEMODE_ABS = 1, /* Kb/s */
972 /* Support for "sched_queue" command to allow one or more NIC TX Queues
973 * to be bound to a TX Scheduling Class.
975 struct ch_sched_queue {
976 s8 queue; /* queue index */
977 s8 class; /* class index */
980 /* Defined bit width of user definable filter tuples
982 #define ETHTYPE_BITWIDTH 16
983 #define FRAG_BITWIDTH 1
984 #define MACIDX_BITWIDTH 9
985 #define FCOE_BITWIDTH 1
986 #define IPORT_BITWIDTH 3
987 #define MATCHTYPE_BITWIDTH 3
988 #define PROTO_BITWIDTH 8
989 #define TOS_BITWIDTH 8
990 #define PF_BITWIDTH 8
991 #define VF_BITWIDTH 8
992 #define IVLAN_BITWIDTH 16
993 #define OVLAN_BITWIDTH 16
995 /* Filter matching rules. These consist of a set of ingress packet field
996 * (value, mask) tuples. The associated ingress packet field matches the
997 * tuple when ((field & mask) == value). (Thus a wildcard "don't care" field
998 * rule can be constructed by specifying a tuple of (0, 0).) A filter rule
999 * matches an ingress packet when all of the individual individual field
1000 * matching rules are true.
1002 * Partial field masks are always valid, however, while it may be easy to
1003 * understand their meanings for some fields (e.g. IP address to match a
1004 * subnet), for others making sensible partial masks is less intuitive (e.g.
1005 * MPS match type) ...
1007 * Most of the following data structures are modeled on T4 capabilities.
1008 * Drivers for earlier chips use the subsets which make sense for those chips.
1009 * We really need to come up with a hardware-independent mechanism to
1010 * represent hardware filter capabilities ...
1012 struct ch_filter_tuple {
1013 /* Compressed header matching field rules. The TP_VLAN_PRI_MAP
1014 * register selects which of these fields will participate in the
1015 * filter match rules -- up to a maximum of 36 bits. Because
1016 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
1019 uint32_t ethtype:ETHTYPE_BITWIDTH; /* Ethernet type */
1020 uint32_t frag:FRAG_BITWIDTH; /* IP fragmentation header */
1021 uint32_t ivlan_vld:1; /* inner VLAN valid */
1022 uint32_t ovlan_vld:1; /* outer VLAN valid */
1023 uint32_t pfvf_vld:1; /* PF/VF valid */
1024 uint32_t macidx:MACIDX_BITWIDTH; /* exact match MAC index */
1025 uint32_t fcoe:FCOE_BITWIDTH; /* FCoE packet */
1026 uint32_t iport:IPORT_BITWIDTH; /* ingress port */
1027 uint32_t matchtype:MATCHTYPE_BITWIDTH; /* MPS match type */
1028 uint32_t proto:PROTO_BITWIDTH; /* protocol type */
1029 uint32_t tos:TOS_BITWIDTH; /* TOS/Traffic Type */
1030 uint32_t pf:PF_BITWIDTH; /* PCI-E PF ID */
1031 uint32_t vf:VF_BITWIDTH; /* PCI-E VF ID */
1032 uint32_t ivlan:IVLAN_BITWIDTH; /* inner VLAN */
1033 uint32_t ovlan:OVLAN_BITWIDTH; /* outer VLAN */
1035 /* Uncompressed header matching field rules. These are always
1036 * available for field rules.
1038 uint8_t lip[16]; /* local IP address (IPv4 in [3:0]) */
1039 uint8_t fip[16]; /* foreign IP address (IPv4 in [3:0]) */
1040 uint16_t lport; /* local port */
1041 uint16_t fport; /* foreign port */
1044 /* A filter ioctl command.
1046 struct ch_filter_specification {
1047 /* Administrative fields for filter.
1049 uint32_t hitcnts:1; /* count filter hits in TCB */
1050 uint32_t prio:1; /* filter has priority over active/server */
1052 /* Fundamental filter typing. This is the one element of filter
1053 * matching that doesn't exist as a (value, mask) tuple.
1055 uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */
1056 u32 hash:1; /* 0 => wild-card, 1 => exact-match */
1058 /* Packet dispatch information. Ingress packets which match the
1059 * filter rules will be dropped, passed to the host or switched back
1060 * out as egress packets.
1062 uint32_t action:2; /* drop, pass, switch */
1064 uint32_t rpttid:1; /* report TID in RSS hash field */
1066 uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */
1067 uint32_t iq:10; /* ingress queue */
1069 uint32_t maskhash:1; /* dirsteer=0: store RSS hash in TCB */
1070 uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
1071 /* 1 => TCB contains IQ ID */
1073 /* Switch proxy/rewrite fields. An ingress packet which matches a
1074 * filter with "switch" set will be looped back out as an egress
1075 * packet -- potentially with some Ethernet header rewriting.
1077 uint32_t eport:2; /* egress port to switch packet out */
1078 uint32_t newdmac:1; /* rewrite destination MAC address */
1079 uint32_t newsmac:1; /* rewrite source MAC address */
1080 uint32_t newvlan:2; /* rewrite VLAN Tag */
1081 uint32_t nat_mode:3; /* specify NAT operation mode */
1082 uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
1083 uint8_t smac[ETH_ALEN]; /* new source MAC address */
1084 uint16_t vlan; /* VLAN Tag to insert */
1086 u8 nat_lip[16]; /* local IP to use after NAT'ing */
1087 u8 nat_fip[16]; /* foreign IP to use after NAT'ing */
1088 u16 nat_lport; /* local port to use after NAT'ing */
1089 u16 nat_fport; /* foreign port to use after NAT'ing */
1091 /* reservation for future additions */
1094 /* Filter rule value/mask pairs.
1096 struct ch_filter_tuple val;
1097 struct ch_filter_tuple mask;
1101 FILTER_PASS = 0, /* default */
1107 VLAN_NOCHANGE = 0, /* default */
1114 NAT_MODE_NONE = 0, /* No NAT performed */
1115 NAT_MODE_DIP, /* NAT on Dst IP */
1116 NAT_MODE_DIP_DP, /* NAT on Dst IP, Dst Port */
1117 NAT_MODE_DIP_DP_SIP, /* NAT on Dst IP, Dst Port and Src IP */
1118 NAT_MODE_DIP_DP_SP, /* NAT on Dst IP, Dst Port and Src Port */
1119 NAT_MODE_SIP_SP, /* NAT on Src IP and Src Port */
1120 NAT_MODE_DIP_SIP_SP, /* NAT on Dst IP, Src IP and Src Port */
1121 NAT_MODE_ALL /* NAT on entire 4-tuple */
1124 /* Host shadow copy of ingress filter entry. This is in host native format
1125 * and doesn't match the ordering or bit order, etc. of the hardware of the
1126 * firmware command. The use of bit-field structure elements is purely to
1127 * remind ourselves of the field size limitations and save memory in the case
1128 * where the filter table is large.
1130 struct filter_entry {
1131 /* Administrative fields for filter. */
1132 u32 valid:1; /* filter allocated and valid */
1133 u32 locked:1; /* filter is administratively locked */
1135 u32 pending:1; /* filter action is pending firmware reply */
1136 struct filter_ctx *ctx; /* Caller's completion hook */
1137 struct l2t_entry *l2t; /* Layer Two Table entry for dmac */
1138 struct smt_entry *smt; /* Source Mac Table entry for smac */
1139 struct net_device *dev; /* Associated net device */
1140 u32 tid; /* This will store the actual tid */
1142 /* The filter itself. Most of this is a straight copy of information
1143 * provided by the extended ioctl(). Some fields are translated to
1144 * internal forms -- for instance the Ingress Queue ID passed in from
1145 * the ioctl() is translated into the Absolute Ingress Queue ID.
1147 struct ch_filter_specification fs;
1150 static inline int is_offload(const struct adapter *adap)
1152 return adap->params.offload;
1155 static inline int is_hashfilter(const struct adapter *adap)
1157 return adap->params.hash_filter;
1160 static inline int is_pci_uld(const struct adapter *adap)
1162 return adap->params.crypto;
1165 static inline int is_uld(const struct adapter *adap)
1167 return (adap->params.offload || adap->params.crypto);
1170 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
1172 return readl(adap->regs + reg_addr);
1175 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
1177 writel(val, adap->regs + reg_addr);
1181 static inline u64 readq(const volatile void __iomem *addr)
1183 return readl(addr) + ((u64)readl(addr + 4) << 32);
1186 static inline void writeq(u64 val, volatile void __iomem *addr)
1189 writel(val >> 32, addr + 4);
1193 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
1195 return readq(adap->regs + reg_addr);
1198 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
1200 writeq(val, adap->regs + reg_addr);
1204 * t4_set_hw_addr - store a port's MAC address in SW
1205 * @adapter: the adapter
1206 * @port_idx: the port index
1207 * @hw_addr: the Ethernet address
1209 * Store the Ethernet address of the given port in SW. Called by the common
1210 * code when it retrieves a port's Ethernet address from EEPROM.
1212 static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
1215 ether_addr_copy(adapter->port[port_idx]->dev_addr, hw_addr);
1216 ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr);
1220 * netdev2pinfo - return the port_info structure associated with a net_device
1223 * Return the struct port_info associated with a net_device
1225 static inline struct port_info *netdev2pinfo(const struct net_device *dev)
1227 return netdev_priv(dev);
1231 * adap2pinfo - return the port_info of a port
1232 * @adap: the adapter
1233 * @idx: the port index
1235 * Return the port_info structure for the port of the given index.
1237 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
1239 return netdev_priv(adap->port[idx]);
1243 * netdev2adap - return the adapter structure associated with a net_device
1246 * Return the struct adapter associated with a net_device
1248 static inline struct adapter *netdev2adap(const struct net_device *dev)
1250 return netdev2pinfo(dev)->adapter;
1253 /* Return a version number to identify the type of adapter. The scheme is:
1254 * - bits 0..9: chip version
1255 * - bits 10..15: chip revision
1256 * - bits 16..23: register dump version
1258 static inline unsigned int mk_adap_vers(struct adapter *ap)
1260 return CHELSIO_CHIP_VERSION(ap->params.chip) |
1261 (CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
1264 /* Return a queue's interrupt hold-off time in us. 0 means no timer. */
1265 static inline unsigned int qtimer_val(const struct adapter *adap,
1266 const struct sge_rspq *q)
1268 unsigned int idx = q->intr_params >> 1;
1270 return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
1273 /* driver version & name used for ethtool_drvinfo */
1274 extern char cxgb4_driver_name[];
1275 extern const char cxgb4_driver_version[];
1277 void t4_os_portmod_changed(const struct adapter *adap, int port_id);
1278 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1280 void t4_free_sge_resources(struct adapter *adap);
1281 void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
1282 irq_handler_t t4_intr_handler(struct adapter *adap);
1283 netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev);
1284 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1285 const struct pkt_gl *gl);
1286 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1287 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1288 int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
1289 struct net_device *dev, int intr_idx,
1290 struct sge_fl *fl, rspq_handler_t hnd,
1291 rspq_flush_handler_t flush_handler, int cong);
1292 int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
1293 struct net_device *dev, struct netdev_queue *netdevq,
1295 int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
1296 struct net_device *dev, unsigned int iqid,
1297 unsigned int cmplqid);
1298 int t4_sge_mod_ctrl_txq(struct adapter *adap, unsigned int eqid,
1299 unsigned int cmplqid);
1300 int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq,
1301 struct net_device *dev, unsigned int iqid,
1302 unsigned int uld_type);
1303 irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1304 int t4_sge_init(struct adapter *adap);
1305 void t4_sge_start(struct adapter *adap);
1306 void t4_sge_stop(struct adapter *adap);
1307 void cxgb4_set_ethtool_ops(struct net_device *netdev);
1308 int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1309 extern int dbfifo_int_thresh;
1311 #define for_each_port(adapter, iter) \
1312 for (iter = 0; iter < (adapter)->params.nports; ++iter)
1314 static inline int is_bypass(struct adapter *adap)
1316 return adap->params.bypass;
1319 static inline int is_bypass_device(int device)
1321 /* this should be set based upon device capabilities */
1331 static inline int is_10gbt_device(int device)
1333 /* this should be set based upon device capabilities */
1344 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1346 return adap->params.vpd.cclk / 1000;
1349 static inline unsigned int us_to_core_ticks(const struct adapter *adap,
1352 return (us * adap->params.vpd.cclk) / 1000;
1355 static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
1358 /* add Core Clock / 2 to round ticks to nearest uS */
1359 return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
1360 adapter->params.vpd.cclk);
1363 static inline unsigned int dack_ticks_to_usec(const struct adapter *adap,
1366 return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap);
1369 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1372 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1373 int size, void *rpl, bool sleep_ok, int timeout);
1374 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1375 void *rpl, bool sleep_ok);
1377 static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox,
1378 const void *cmd, int size, void *rpl,
1381 return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true,
1385 static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
1386 int size, void *rpl)
1388 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
1391 static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
1392 int size, void *rpl)
1394 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
1398 * hash_mac_addr - return the hash value of a MAC address
1399 * @addr: the 48-bit Ethernet MAC address
1401 * Hashes a MAC address according to the hash function used by HW inexact
1402 * (hash) address matching.
1404 static inline int hash_mac_addr(const u8 *addr)
1406 u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
1407 u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
1415 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1417 static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
1418 unsigned int us, unsigned int cnt,
1419 unsigned int size, unsigned int iqe_size)
1422 cxgb4_set_rspq_intr_params(q, us, cnt);
1423 q->iqe_len = iqe_size;
1427 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
1428 unsigned int data_reg, const u32 *vals,
1429 unsigned int nregs, unsigned int start_idx);
1430 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
1431 unsigned int data_reg, u32 *vals, unsigned int nregs,
1432 unsigned int start_idx);
1433 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1435 struct fw_filter_wr;
1437 void t4_intr_enable(struct adapter *adapter);
1438 void t4_intr_disable(struct adapter *adapter);
1439 int t4_slow_intr_handler(struct adapter *adapter);
1441 int t4_wait_dev_ready(void __iomem *regs);
1442 int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port,
1443 struct link_config *lc);
1444 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1446 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
1447 u32 t4_get_util_window(struct adapter *adap);
1448 void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
1450 #define T4_MEMORY_WRITE 0
1451 #define T4_MEMORY_READ 1
1452 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1453 void *buf, int dir);
1454 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
1455 u32 len, __be32 *buf)
1457 return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
1460 unsigned int t4_get_regs_len(struct adapter *adapter);
1461 void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1463 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz);
1464 int t4_seeprom_wp(struct adapter *adapter, bool enable);
1465 int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
1466 int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1467 int t4_read_flash(struct adapter *adapter, unsigned int addr,
1468 unsigned int nwords, u32 *data, int byte_oriented);
1469 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1470 int t4_load_phy_fw(struct adapter *adap,
1471 int win, spinlock_t *lock,
1472 int (*phy_fw_version)(const u8 *, size_t),
1473 const u8 *phy_fw_data, size_t phy_fw_size);
1474 int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
1475 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1476 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1477 const u8 *fw_data, unsigned int size, int force);
1478 int t4_fl_pkt_align(struct adapter *adap);
1479 unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1480 int t4_check_fw_version(struct adapter *adap);
1481 int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
1482 int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1483 int t4_get_bs_version(struct adapter *adapter, u32 *vers);
1484 int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1485 int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1486 int t4_get_scfg_version(struct adapter *adapter, u32 *vers);
1487 int t4_get_vpd_version(struct adapter *adapter, u32 *vers);
1488 int t4_get_version_info(struct adapter *adapter);
1489 void t4_dump_version_info(struct adapter *adapter);
1490 int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1491 const u8 *fw_data, unsigned int fw_size,
1492 struct fw_hdr *card_fw, enum dev_state state, int *reset);
1493 int t4_prep_adapter(struct adapter *adapter);
1494 int t4_shutdown_adapter(struct adapter *adapter);
1496 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1497 int t4_bar2_sge_qregs(struct adapter *adapter,
1499 enum t4_bar2_qtype qtype,
1502 unsigned int *pbar2_qid);
1504 unsigned int qtimer_val(const struct adapter *adap,
1505 const struct sge_rspq *q);
1507 int t4_init_devlog_params(struct adapter *adapter);
1508 int t4_init_sge_params(struct adapter *adapter);
1509 int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
1510 int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1511 int t4_init_rss_mode(struct adapter *adap, int mbox);
1512 int t4_init_portinfo(struct port_info *pi, int mbox,
1513 int port, int pf, int vf, u8 mac[]);
1514 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1515 void t4_fatal_err(struct adapter *adapter);
1516 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1517 int start, int n, const u16 *rspq, unsigned int nrspq);
1518 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1519 unsigned int flags);
1520 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
1521 unsigned int flags, unsigned int defq);
1522 int t4_read_rss(struct adapter *adapter, u16 *entries);
1523 void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
1524 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
1526 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1527 u32 *valp, bool sleep_ok);
1528 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1529 u32 *vfl, u32 *vfh, bool sleep_ok);
1530 u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
1531 u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
1533 unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx);
1534 unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx);
1535 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1536 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1537 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1539 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1541 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1542 unsigned int *valp);
1543 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1544 const unsigned int *valp);
1545 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1546 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
1547 unsigned int *pif_req_wrptr,
1548 unsigned int *pif_rsp_wrptr);
1549 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
1550 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1551 const char *t4_get_port_type_description(enum fw_port_type port_type);
1552 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1553 void t4_get_port_stats_offset(struct adapter *adap, int idx,
1554 struct port_stats *stats,
1555 struct port_stats *offset);
1556 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
1557 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1558 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1559 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1560 unsigned int mask, unsigned int val);
1561 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1562 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
1564 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
1566 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
1568 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
1570 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1571 struct tp_tcp_stats *v6, bool sleep_ok);
1572 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
1573 struct tp_fcoe_stats *st, bool sleep_ok);
1574 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1575 const unsigned short *alpha, const unsigned short *beta);
1577 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1579 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
1580 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1582 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
1584 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
1585 u64 mask0, u64 mask1, unsigned int crc, bool enable);
1587 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1588 enum dev_master master, enum dev_state *state);
1589 int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1590 int t4_early_init(struct adapter *adap, unsigned int mbox);
1591 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1592 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1593 unsigned int cache_line_size);
1594 int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1595 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1596 unsigned int vf, unsigned int nparams, const u32 *params,
1598 int t4_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf,
1599 unsigned int vf, unsigned int nparams, const u32 *params,
1601 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
1602 unsigned int vf, unsigned int nparams, const u32 *params,
1603 u32 *val, int rw, bool sleep_ok);
1604 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
1605 unsigned int pf, unsigned int vf,
1606 unsigned int nparams, const u32 *params,
1607 const u32 *val, int timeout);
1608 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1609 unsigned int vf, unsigned int nparams, const u32 *params,
1611 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1612 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1613 unsigned int rxqi, unsigned int rxq, unsigned int tc,
1614 unsigned int vi, unsigned int cmask, unsigned int pmask,
1615 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1616 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1617 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1618 unsigned int *rss_size);
1619 int t4_free_vi(struct adapter *adap, unsigned int mbox,
1620 unsigned int pf, unsigned int vf,
1622 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
1623 int mtu, int promisc, int all_multi, int bcast, int vlanex,
1625 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
1626 unsigned int viid, bool free, unsigned int naddr,
1627 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
1628 int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
1629 unsigned int viid, unsigned int naddr,
1630 const u8 **addr, bool sleep_ok);
1631 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
1632 int idx, const u8 *addr, bool persist, bool add_smt);
1633 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
1634 bool ucast, u64 vec, bool sleep_ok);
1635 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
1636 unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
1637 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
1638 bool rx_en, bool tx_en);
1639 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
1640 unsigned int nblinks);
1641 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1642 unsigned int mmd, unsigned int reg, u16 *valp);
1643 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1644 unsigned int mmd, unsigned int reg, u16 val);
1645 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
1646 unsigned int vf, unsigned int iqtype, unsigned int iqid,
1647 unsigned int fl0id, unsigned int fl1id);
1648 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1649 unsigned int vf, unsigned int iqtype, unsigned int iqid,
1650 unsigned int fl0id, unsigned int fl1id);
1651 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1652 unsigned int vf, unsigned int eqid);
1653 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1654 unsigned int vf, unsigned int eqid);
1655 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1656 unsigned int vf, unsigned int eqid);
1657 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type);
1658 void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
1659 int t4_update_port_info(struct port_info *pi);
1660 int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
1661 unsigned int *speedp, unsigned int *mtup);
1662 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
1663 void t4_db_full(struct adapter *adapter);
1664 void t4_db_dropped(struct adapter *adapter);
1665 int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
1666 int filter_index, int enable);
1667 void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
1668 int filter_index, int *enabled);
1669 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
1671 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
1672 void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
1673 unsigned int *kbps, unsigned int *ipg, bool sleep_ok);
1674 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
1675 enum ctxt_type ctype, u32 *data);
1676 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
1677 enum ctxt_type ctype, u32 *data);
1678 int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
1679 int rateunit, int ratemode, int channel, int class,
1680 int minrate, int maxrate, int weight, int pktsize);
1681 void t4_sge_decode_idma_state(struct adapter *adapter, int state);
1682 void t4_idma_monitor_init(struct adapter *adapter,
1683 struct sge_idma_monitor_state *idma);
1684 void t4_idma_monitor(struct adapter *adapter,
1685 struct sge_idma_monitor_state *idma,
1687 int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
1688 unsigned int naddr, u8 *addr);
1689 void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
1690 u32 start_index, bool sleep_ok);
1691 void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
1692 u32 start_index, bool sleep_ok);
1693 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
1694 u32 start_index, bool sleep_ok);
1696 void t4_uld_mem_free(struct adapter *adap);
1697 int t4_uld_mem_alloc(struct adapter *adap);
1698 void t4_uld_clean_up(struct adapter *adap);
1699 void t4_register_netevent_notifier(void);
1700 void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
1701 void free_tx_desc(struct adapter *adap, struct sge_txq *q,
1702 unsigned int n, bool unmap);
1703 void free_txq(struct adapter *adap, struct sge_txq *q);
1704 #endif /* __CXGB4_H__ */