2 * This file is part of the Chelsio T4 Ethernet driver for Linux.
4 * Copyright (c) 2003-2014 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>
52 #include "t4_chip_type.h"
53 #include "cxgb4_uld.h"
55 #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
58 MAX_NPORTS = 4, /* max # of ports */
59 SERNUM_LEN = 24, /* Serial # length */
60 EC_LEN = 16, /* E/C length */
61 ID_LEN = 16, /* ID length */
62 PN_LEN = 16, /* Part Number length */
63 MACADDR_LEN = 12, /* MAC Address length */
67 T4_REGMAP_SIZE = (160 * 1024),
68 T5_REGMAP_SIZE = (332 * 1024),
80 MEMWIN0_APERTURE = 2048,
81 MEMWIN0_BASE = 0x1b800,
82 MEMWIN1_APERTURE = 32768,
83 MEMWIN1_BASE = 0x28000,
84 MEMWIN1_BASE_T5 = 0x52000,
85 MEMWIN2_APERTURE = 65536,
86 MEMWIN2_BASE = 0x30000,
87 MEMWIN2_APERTURE_T5 = 131072,
88 MEMWIN2_BASE_T5 = 0x60000,
106 PAUSE_AUTONEG = 1 << 2
110 u64 tx_octets; /* total # of octets in good frames */
111 u64 tx_frames; /* all good frames */
112 u64 tx_bcast_frames; /* all broadcast frames */
113 u64 tx_mcast_frames; /* all multicast frames */
114 u64 tx_ucast_frames; /* all unicast frames */
115 u64 tx_error_frames; /* all error frames */
117 u64 tx_frames_64; /* # of Tx frames in a particular range */
118 u64 tx_frames_65_127;
119 u64 tx_frames_128_255;
120 u64 tx_frames_256_511;
121 u64 tx_frames_512_1023;
122 u64 tx_frames_1024_1518;
123 u64 tx_frames_1519_max;
125 u64 tx_drop; /* # of dropped Tx frames */
126 u64 tx_pause; /* # of transmitted pause frames */
127 u64 tx_ppp0; /* # of transmitted PPP prio 0 frames */
128 u64 tx_ppp1; /* # of transmitted PPP prio 1 frames */
129 u64 tx_ppp2; /* # of transmitted PPP prio 2 frames */
130 u64 tx_ppp3; /* # of transmitted PPP prio 3 frames */
131 u64 tx_ppp4; /* # of transmitted PPP prio 4 frames */
132 u64 tx_ppp5; /* # of transmitted PPP prio 5 frames */
133 u64 tx_ppp6; /* # of transmitted PPP prio 6 frames */
134 u64 tx_ppp7; /* # of transmitted PPP prio 7 frames */
136 u64 rx_octets; /* total # of octets in good frames */
137 u64 rx_frames; /* all good frames */
138 u64 rx_bcast_frames; /* all broadcast frames */
139 u64 rx_mcast_frames; /* all multicast frames */
140 u64 rx_ucast_frames; /* all unicast frames */
141 u64 rx_too_long; /* # of frames exceeding MTU */
142 u64 rx_jabber; /* # of jabber frames */
143 u64 rx_fcs_err; /* # of received frames with bad FCS */
144 u64 rx_len_err; /* # of received frames with length error */
145 u64 rx_symbol_err; /* symbol errors */
146 u64 rx_runt; /* # of short frames */
148 u64 rx_frames_64; /* # of Rx frames in a particular range */
149 u64 rx_frames_65_127;
150 u64 rx_frames_128_255;
151 u64 rx_frames_256_511;
152 u64 rx_frames_512_1023;
153 u64 rx_frames_1024_1518;
154 u64 rx_frames_1519_max;
156 u64 rx_pause; /* # of received pause frames */
157 u64 rx_ppp0; /* # of received PPP prio 0 frames */
158 u64 rx_ppp1; /* # of received PPP prio 1 frames */
159 u64 rx_ppp2; /* # of received PPP prio 2 frames */
160 u64 rx_ppp3; /* # of received PPP prio 3 frames */
161 u64 rx_ppp4; /* # of received PPP prio 4 frames */
162 u64 rx_ppp5; /* # of received PPP prio 5 frames */
163 u64 rx_ppp6; /* # of received PPP prio 6 frames */
164 u64 rx_ppp7; /* # of received PPP prio 7 frames */
166 u64 rx_ovflow0; /* drops due to buffer-group 0 overflows */
167 u64 rx_ovflow1; /* drops due to buffer-group 1 overflows */
168 u64 rx_ovflow2; /* drops due to buffer-group 2 overflows */
169 u64 rx_ovflow3; /* drops due to buffer-group 3 overflows */
170 u64 rx_trunc0; /* buffer-group 0 truncated packets */
171 u64 rx_trunc1; /* buffer-group 1 truncated packets */
172 u64 rx_trunc2; /* buffer-group 2 truncated packets */
173 u64 rx_trunc3; /* buffer-group 3 truncated packets */
176 struct lb_port_stats {
189 u64 frames_1024_1518;
204 struct tp_tcp_stats {
208 u64 tcp_retrans_segs;
211 struct tp_usm_stats {
217 struct tp_fcoe_stats {
223 struct tp_err_stats {
227 u32 tnl_cong_drops[4];
228 u32 ofld_chan_drops[4];
230 u32 ofld_vlan_drops[4];
236 struct tp_cpl_stats {
241 struct tp_rdma_stats {
247 u32 hps; /* host page size for our PF/VF */
248 u32 eq_qpp; /* egress queues/page for our PF/VF */
249 u32 iq_qpp; /* egress queues/page for our PF/VF */
253 unsigned int tre; /* log2 of core clocks per TP tick */
254 unsigned int la_mask; /* what events are recorded by TP LA */
255 unsigned short tx_modq_map; /* TX modulation scheduler queue to */
258 uint32_t dack_re; /* DACK timer resolution */
259 unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */
261 u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */
262 u32 ingress_config; /* cached TP_INGRESS_CONFIG */
264 /* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets. This is a
265 * subset of the set of fields which may be present in the Compressed
266 * Filter Tuple portion of filters and TCP TCB connections. The
267 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
268 * Since a variable number of fields may or may not be present, their
269 * shifted field positions within the Compressed Filter Tuple may
270 * vary, or not even be present if the field isn't selected in
271 * TP_VLAN_PRI_MAP. Since some of these fields are needed in various
272 * places we store their offsets here, or a -1 if the field isn't
284 u8 sn[SERNUM_LEN + 1];
287 u8 na[MACADDR_LEN + 1];
295 struct devlog_params {
296 u32 memtype; /* which memory (EDC0, EDC1, MC) */
297 u32 start; /* start of log in firmware memory */
298 u32 size; /* size of log */
301 /* Stores chip specific parameters */
302 struct arch_specific_params {
305 u8 cng_ch_bits_log; /* congestion channel map bits width */
312 struct adapter_params {
313 struct sge_params sge;
315 struct vpd_params vpd;
316 struct pci_params pci;
317 struct devlog_params devlog;
318 enum pcie_memwin drv_memwin;
320 unsigned int cim_la_size;
322 unsigned int sf_size; /* serial flash size in bytes */
323 unsigned int sf_nsec; /* # of flash sectors */
324 unsigned int sf_fw_start; /* start of FW image in flash */
326 unsigned int fw_vers;
327 unsigned int bs_vers; /* bootstrap version */
328 unsigned int tp_vers;
329 unsigned int er_vers; /* expansion ROM version */
332 unsigned short mtus[NMTUS];
333 unsigned short a_wnd[NCCTRL_WIN];
334 unsigned short b_wnd[NCCTRL_WIN];
336 unsigned char nports; /* # of ethernet ports */
337 unsigned char portvec;
338 enum chip_type chip; /* chip code */
339 struct arch_specific_params arch; /* chip specific params */
340 unsigned char offload;
342 unsigned char bypass;
344 unsigned int ofldq_wr_cred;
345 bool ulptx_memwrite_dsgl; /* use of T5 DSGL allowed */
347 unsigned int max_ordird_qp; /* Max read depth per RDMA QP */
348 unsigned int max_ird_adapter; /* Max read depth per adapter */
351 /* State needed to monitor the forward progress of SGE Ingress DMA activities
352 * and possible hangs.
354 struct sge_idma_monitor_state {
355 unsigned int idma_1s_thresh; /* 1s threshold in Core Clock ticks */
356 unsigned int idma_stalled[2]; /* synthesized stalled timers in HZ */
357 unsigned int idma_state[2]; /* IDMA Hang detect state */
358 unsigned int idma_qid[2]; /* IDMA Hung Ingress Queue ID */
359 unsigned int idma_warn[2]; /* time to warning in HZ */
362 /* Firmware Mailbox Command/Reply log. All values are in Host-Endian format.
363 * The access and execute times are signed in order to accommodate negative
367 u64 cmd[MBOX_LEN / 8]; /* a Firmware Mailbox Command/Reply */
368 u64 timestamp; /* OS-dependent timestamp */
369 u32 seqno; /* sequence number */
370 s16 access; /* time (ms) to access mailbox */
371 s16 execute; /* time (ms) to execute */
374 struct mbox_cmd_log {
375 unsigned int size; /* number of entries in the log */
376 unsigned int cursor; /* next position in the log to write */
377 u32 seqno; /* next sequence number */
378 /* variable length mailbox command log starts here */
381 /* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
382 * return a pointer to the specified entry.
384 static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
385 unsigned int entry_idx)
387 return &((struct mbox_cmd *)&(log)[1])[entry_idx];
390 #include "t4fw_api.h"
392 #define FW_VERSION(chip) ( \
393 FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
394 FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
395 FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
396 FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
397 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
403 struct fw_hdr fw_hdr;
407 struct trace_params {
408 u32 data[TRACE_LEN / 4];
409 u32 mask[TRACE_LEN / 4];
410 unsigned short snap_len;
411 unsigned short min_len;
412 unsigned char skip_ofst;
413 unsigned char skip_len;
414 unsigned char invert;
419 unsigned short supported; /* link capabilities */
420 unsigned short advertising; /* advertised capabilities */
421 unsigned short lp_advertising; /* peer advertised capabilities */
422 unsigned short requested_speed; /* speed user has requested */
423 unsigned short speed; /* actual link speed */
424 unsigned char requested_fc; /* flow control user has requested */
425 unsigned char fc; /* actual link flow control */
426 unsigned char autoneg; /* autonegotiating? */
427 unsigned char link_ok; /* link up? */
428 unsigned char link_down_rc; /* link down reason */
431 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
434 MAX_ETH_QSETS = 32, /* # of Ethernet Tx/Rx queue sets */
435 MAX_OFLD_QSETS = 16, /* # of offload Tx, iscsi Rx queue sets */
436 MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */
437 MAX_RDMA_QUEUES = NCHAN, /* # of streaming RDMA Rx queues */
438 MAX_RDMA_CIQS = 32, /* # of RDMA concentrator IQs */
440 /* # of streaming iSCSIT Rx queues */
441 MAX_ISCSIT_QUEUES = MAX_OFLD_QSETS,
445 MAX_TXQ_ENTRIES = 16384,
446 MAX_CTRL_TXQ_ENTRIES = 1024,
447 MAX_RSPQ_ENTRIES = 16384,
448 MAX_RX_BUFFERS = 16384,
449 MIN_TXQ_ENTRIES = 32,
450 MIN_CTRL_TXQ_ENTRIES = 32,
451 MIN_RSPQ_ENTRIES = 128,
456 INGQ_EXTRAS = 2, /* firmware event queue and */
457 /* forwarded interrupts */
458 MAX_INGQ = MAX_ETH_QSETS + MAX_OFLD_QSETS + MAX_RDMA_QUEUES +
459 MAX_RDMA_CIQS + MAX_ISCSIT_QUEUES + INGQ_EXTRAS,
465 #include "cxgb4_dcb.h"
467 #ifdef CONFIG_CHELSIO_T4_FCOE
468 #include "cxgb4_fcoe.h"
469 #endif /* CONFIG_CHELSIO_T4_FCOE */
472 struct adapter *adapter;
474 s16 xact_addr_filt; /* index of exact MAC address filter */
475 u16 rss_size; /* size of VI's RSS table slice */
477 enum fw_port_type port_type;
481 u8 lport; /* associated offload logical port */
482 u8 nqsets; /* # of qsets */
483 u8 first_qset; /* index of first qset */
485 struct link_config link_cfg;
487 struct port_stats stats_base;
488 #ifdef CONFIG_CHELSIO_T4_DCB
489 struct port_dcb_info dcb; /* Data Center Bridging support */
491 #ifdef CONFIG_CHELSIO_T4_FCOE
492 struct cxgb_fcoe fcoe;
493 #endif /* CONFIG_CHELSIO_T4_FCOE */
494 bool rxtstamp; /* Enable TS */
495 struct hwtstamp_config tstamp_config;
501 enum { /* adapter flags */
502 FULL_INIT_DONE = (1 << 0),
503 DEV_ENABLED = (1 << 1),
504 USING_MSI = (1 << 2),
505 USING_MSIX = (1 << 3),
507 RSS_TNLALLLOOKUP = (1 << 5),
508 USING_SOFT_PARAMS = (1 << 6),
509 MASTER_PF = (1 << 7),
510 FW_OFLD_CONN = (1 << 9),
515 struct sge_fl { /* SGE free-buffer queue state */
516 unsigned int avail; /* # of available Rx buffers */
517 unsigned int pend_cred; /* new buffers since last FL DB ring */
518 unsigned int cidx; /* consumer index */
519 unsigned int pidx; /* producer index */
520 unsigned long alloc_failed; /* # of times buffer allocation failed */
521 unsigned long large_alloc_failed;
522 unsigned long mapping_err; /* # of RX Buffer DMA Mapping failures */
523 unsigned long low; /* # of times momentarily starving */
524 unsigned long starving;
526 unsigned int cntxt_id; /* SGE context id for the free list */
527 unsigned int size; /* capacity of free list */
528 struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */
529 __be64 *desc; /* address of HW Rx descriptor ring */
530 dma_addr_t addr; /* bus address of HW ring start */
531 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
532 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
535 /* A packet gather list */
537 u64 sgetstamp; /* SGE Time Stamp for Ingress Packet */
538 struct page_frag frags[MAX_SKB_FRAGS];
539 void *va; /* virtual address of first byte */
540 unsigned int nfrags; /* # of fragments */
541 unsigned int tot_len; /* total length of fragments */
544 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
545 const struct pkt_gl *gl);
546 typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
547 /* LRO related declarations for ULD */
549 #define MAX_LRO_SESSIONS 64
550 u8 lro_session_cnt; /* # of sessions to aggregate */
551 unsigned long lro_pkts; /* # of LRO super packets */
552 unsigned long lro_merged; /* # of wire packets merged by LRO */
553 struct sk_buff_head lroq; /* list of aggregated sessions */
556 struct sge_rspq { /* state for an SGE response queue */
557 struct napi_struct napi;
558 const __be64 *cur_desc; /* current descriptor in queue */
559 unsigned int cidx; /* consumer index */
560 u8 gen; /* current generation bit */
561 u8 intr_params; /* interrupt holdoff parameters */
562 u8 next_intr_params; /* holdoff params for next interrupt */
564 u8 pktcnt_idx; /* interrupt packet threshold */
565 u8 uld; /* ULD handling this queue */
566 u8 idx; /* queue index within its group */
567 int offset; /* offset into current Rx buffer */
568 u16 cntxt_id; /* SGE context id for the response q */
569 u16 abs_id; /* absolute SGE id for the response q */
570 __be64 *desc; /* address of HW response ring */
571 dma_addr_t phys_addr; /* physical address of the ring */
572 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
573 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
574 unsigned int iqe_len; /* entry size */
575 unsigned int size; /* capacity of response queue */
576 struct adapter *adap;
577 struct net_device *netdev; /* associated net device */
578 rspq_handler_t handler;
579 rspq_flush_handler_t flush_handler;
580 struct t4_lro_mgr lro_mgr;
581 #ifdef CONFIG_NET_RX_BUSY_POLL
582 #define CXGB_POLL_STATE_IDLE 0
583 #define CXGB_POLL_STATE_NAPI BIT(0) /* NAPI owns this poll */
584 #define CXGB_POLL_STATE_POLL BIT(1) /* poll owns this poll */
585 #define CXGB_POLL_STATE_NAPI_YIELD BIT(2) /* NAPI yielded this poll */
586 #define CXGB_POLL_STATE_POLL_YIELD BIT(3) /* poll yielded this poll */
587 #define CXGB_POLL_YIELD (CXGB_POLL_STATE_NAPI_YIELD | \
588 CXGB_POLL_STATE_POLL_YIELD)
589 #define CXGB_POLL_LOCKED (CXGB_POLL_STATE_NAPI | \
590 CXGB_POLL_STATE_POLL)
591 #define CXGB_POLL_USER_PEND (CXGB_POLL_STATE_POLL | \
592 CXGB_POLL_STATE_POLL_YIELD)
593 unsigned int bpoll_state;
594 spinlock_t bpoll_lock; /* lock for busy poll */
595 #endif /* CONFIG_NET_RX_BUSY_POLL */
599 struct sge_eth_stats { /* Ethernet queue statistics */
600 unsigned long pkts; /* # of ethernet packets */
601 unsigned long lro_pkts; /* # of LRO super packets */
602 unsigned long lro_merged; /* # of wire packets merged by LRO */
603 unsigned long rx_cso; /* # of Rx checksum offloads */
604 unsigned long vlan_ex; /* # of Rx VLAN extractions */
605 unsigned long rx_drops; /* # of packets dropped due to no mem */
608 struct sge_eth_rxq { /* SW Ethernet Rx queue */
609 struct sge_rspq rspq;
611 struct sge_eth_stats stats;
612 } ____cacheline_aligned_in_smp;
614 struct sge_ofld_stats { /* offload queue statistics */
615 unsigned long pkts; /* # of packets */
616 unsigned long imm; /* # of immediate-data packets */
617 unsigned long an; /* # of asynchronous notifications */
618 unsigned long nomem; /* # of responses deferred due to no mem */
621 struct sge_ofld_rxq { /* SW offload Rx queue */
622 struct sge_rspq rspq;
624 struct sge_ofld_stats stats;
625 } ____cacheline_aligned_in_smp;
634 unsigned int in_use; /* # of in-use Tx descriptors */
635 unsigned int size; /* # of descriptors */
636 unsigned int cidx; /* SW consumer index */
637 unsigned int pidx; /* producer index */
638 unsigned long stops; /* # of times q has been stopped */
639 unsigned long restarts; /* # of queue restarts */
640 unsigned int cntxt_id; /* SGE context id for the Tx q */
641 struct tx_desc *desc; /* address of HW Tx descriptor ring */
642 struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */
643 struct sge_qstat *stat; /* queue status entry */
644 dma_addr_t phys_addr; /* physical address of the ring */
647 unsigned short db_pidx;
648 unsigned short db_pidx_inc;
649 void __iomem *bar2_addr; /* address of BAR2 Queue registers */
650 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */
653 struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */
655 struct netdev_queue *txq; /* associated netdev TX queue */
656 #ifdef CONFIG_CHELSIO_T4_DCB
657 u8 dcb_prio; /* DCB Priority bound to queue */
659 unsigned long tso; /* # of TSO requests */
660 unsigned long tx_cso; /* # of Tx checksum offloads */
661 unsigned long vlan_ins; /* # of Tx VLAN insertions */
662 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
663 } ____cacheline_aligned_in_smp;
665 struct sge_ofld_txq { /* state for an SGE offload Tx queue */
667 struct adapter *adap;
668 struct sk_buff_head sendq; /* list of backpressured packets */
669 struct tasklet_struct qresume_tsk; /* restarts the queue */
670 bool service_ofldq_running; /* service_ofldq() is processing sendq */
671 u8 full; /* the Tx ring is full */
672 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
673 } ____cacheline_aligned_in_smp;
675 struct sge_ctrl_txq { /* state for an SGE control Tx queue */
677 struct adapter *adap;
678 struct sk_buff_head sendq; /* list of backpressured packets */
679 struct tasklet_struct qresume_tsk; /* restarts the queue */
680 u8 full; /* the Tx ring is full */
681 } ____cacheline_aligned_in_smp;
684 struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
685 struct sge_ofld_txq ofldtxq[MAX_OFLD_QSETS];
686 struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
688 struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
689 struct sge_ofld_rxq iscsirxq[MAX_OFLD_QSETS];
690 struct sge_ofld_rxq iscsitrxq[MAX_ISCSIT_QUEUES];
691 struct sge_ofld_rxq rdmarxq[MAX_RDMA_QUEUES];
692 struct sge_ofld_rxq rdmaciq[MAX_RDMA_CIQS];
693 struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
695 struct sge_rspq intrq ____cacheline_aligned_in_smp;
696 spinlock_t intrq_lock;
698 u16 max_ethqsets; /* # of available Ethernet queue sets */
699 u16 ethqsets; /* # of active Ethernet queue sets */
700 u16 ethtxq_rover; /* Tx queue to clean up next */
701 u16 iscsiqsets; /* # of active iSCSI queue sets */
702 u16 niscsitq; /* # of available iSCST Rx queues */
703 u16 rdmaqs; /* # of available RDMA Rx queues */
704 u16 rdmaciqs; /* # of available RDMA concentrator IQs */
705 u16 iscsi_rxq[MAX_OFLD_QSETS];
706 u16 iscsit_rxq[MAX_ISCSIT_QUEUES];
707 u16 rdma_rxq[MAX_RDMA_QUEUES];
708 u16 rdma_ciq[MAX_RDMA_CIQS];
709 u16 timer_val[SGE_NTIMERS];
710 u8 counter_val[SGE_NCOUNTERS];
711 u32 fl_pg_order; /* large page allocation size */
712 u32 stat_len; /* length of status page at ring end */
713 u32 pktshift; /* padding between CPL & packet data */
714 u32 fl_align; /* response queue message alignment */
715 u32 fl_starve_thres; /* Free List starvation threshold */
717 struct sge_idma_monitor_state idma_monitor;
718 unsigned int egr_start;
720 unsigned int ingr_start;
721 unsigned int ingr_sz;
722 void **egr_map; /* qid->queue egress queue map */
723 struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
724 unsigned long *starving_fl;
725 unsigned long *txq_maperr;
726 unsigned long *blocked_fl;
727 struct timer_list rx_timer; /* refills starving FLs */
728 struct timer_list tx_timer; /* checks Tx queues */
731 #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
732 #define for_each_iscsirxq(sge, i) for (i = 0; i < (sge)->iscsiqsets; i++)
733 #define for_each_iscsitrxq(sge, i) for (i = 0; i < (sge)->niscsitq; i++)
734 #define for_each_rdmarxq(sge, i) for (i = 0; i < (sge)->rdmaqs; i++)
735 #define for_each_rdmaciq(sge, i) for (i = 0; i < (sge)->rdmaciqs; i++)
739 #ifdef CONFIG_PCI_IOV
741 /* T4 supports SRIOV on PF0-3 and T5 on PF0-7. However, the Serial
742 * Configuration initialization for T5 only has SR-IOV functionality enabled
743 * on PF0-3 in order to simplify everything.
745 #define NUM_OF_PF_WITH_SRIOV 4
749 struct doorbell_stats {
755 struct hash_mac_addr {
756 struct list_head list;
764 struct pci_dev *pdev;
765 struct device *pdev_dev;
774 struct adapter_params params;
775 struct cxgb4_virt_res vres;
780 char desc[IFNAMSIZ + 10];
781 } msix_info[MAX_INGQ + 1];
783 struct doorbell_stats db_stats;
786 struct net_device *port[MAX_NPORTS];
787 u8 chan_map[NCHAN]; /* channel -> port map */
790 unsigned int l2t_start;
791 unsigned int l2t_end;
792 struct l2t_data *l2t;
793 unsigned int clipt_start;
794 unsigned int clipt_end;
795 struct clip_tbl *clipt;
796 void *uld_handle[CXGB4_ULD_MAX];
797 struct list_head list_node;
798 struct list_head rcu_node;
799 struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
803 struct tid_info tids;
804 void **tid_release_head;
805 spinlock_t tid_release_lock;
806 struct workqueue_struct *workq;
807 struct work_struct tid_release_task;
808 struct work_struct db_full_task;
809 struct work_struct db_drop_task;
810 bool tid_release_task_busy;
812 /* support for mailbox command/reply logging */
813 #define T4_OS_LOG_MBOX_CMDS 256
814 struct mbox_cmd_log *mbox_log;
816 struct dentry *debugfs_root;
817 bool use_bd; /* Use SGE Back Door intfc for reading SGE Contexts */
818 bool trace_rss; /* 1 implies that different RSS flit per filter is
819 * used per filter else if 0 default RSS flit is
820 * used for all 4 filters.
823 spinlock_t stats_lock;
824 spinlock_t win0_lock ____cacheline_aligned_in_smp;
827 /* Defined bit width of user definable filter tuples
829 #define ETHTYPE_BITWIDTH 16
830 #define FRAG_BITWIDTH 1
831 #define MACIDX_BITWIDTH 9
832 #define FCOE_BITWIDTH 1
833 #define IPORT_BITWIDTH 3
834 #define MATCHTYPE_BITWIDTH 3
835 #define PROTO_BITWIDTH 8
836 #define TOS_BITWIDTH 8
837 #define PF_BITWIDTH 8
838 #define VF_BITWIDTH 8
839 #define IVLAN_BITWIDTH 16
840 #define OVLAN_BITWIDTH 16
842 /* Filter matching rules. These consist of a set of ingress packet field
843 * (value, mask) tuples. The associated ingress packet field matches the
844 * tuple when ((field & mask) == value). (Thus a wildcard "don't care" field
845 * rule can be constructed by specifying a tuple of (0, 0).) A filter rule
846 * matches an ingress packet when all of the individual individual field
847 * matching rules are true.
849 * Partial field masks are always valid, however, while it may be easy to
850 * understand their meanings for some fields (e.g. IP address to match a
851 * subnet), for others making sensible partial masks is less intuitive (e.g.
852 * MPS match type) ...
854 * Most of the following data structures are modeled on T4 capabilities.
855 * Drivers for earlier chips use the subsets which make sense for those chips.
856 * We really need to come up with a hardware-independent mechanism to
857 * represent hardware filter capabilities ...
859 struct ch_filter_tuple {
860 /* Compressed header matching field rules. The TP_VLAN_PRI_MAP
861 * register selects which of these fields will participate in the
862 * filter match rules -- up to a maximum of 36 bits. Because
863 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
866 uint32_t ethtype:ETHTYPE_BITWIDTH; /* Ethernet type */
867 uint32_t frag:FRAG_BITWIDTH; /* IP fragmentation header */
868 uint32_t ivlan_vld:1; /* inner VLAN valid */
869 uint32_t ovlan_vld:1; /* outer VLAN valid */
870 uint32_t pfvf_vld:1; /* PF/VF valid */
871 uint32_t macidx:MACIDX_BITWIDTH; /* exact match MAC index */
872 uint32_t fcoe:FCOE_BITWIDTH; /* FCoE packet */
873 uint32_t iport:IPORT_BITWIDTH; /* ingress port */
874 uint32_t matchtype:MATCHTYPE_BITWIDTH; /* MPS match type */
875 uint32_t proto:PROTO_BITWIDTH; /* protocol type */
876 uint32_t tos:TOS_BITWIDTH; /* TOS/Traffic Type */
877 uint32_t pf:PF_BITWIDTH; /* PCI-E PF ID */
878 uint32_t vf:VF_BITWIDTH; /* PCI-E VF ID */
879 uint32_t ivlan:IVLAN_BITWIDTH; /* inner VLAN */
880 uint32_t ovlan:OVLAN_BITWIDTH; /* outer VLAN */
882 /* Uncompressed header matching field rules. These are always
883 * available for field rules.
885 uint8_t lip[16]; /* local IP address (IPv4 in [3:0]) */
886 uint8_t fip[16]; /* foreign IP address (IPv4 in [3:0]) */
887 uint16_t lport; /* local port */
888 uint16_t fport; /* foreign port */
891 /* A filter ioctl command.
893 struct ch_filter_specification {
894 /* Administrative fields for filter.
896 uint32_t hitcnts:1; /* count filter hits in TCB */
897 uint32_t prio:1; /* filter has priority over active/server */
899 /* Fundamental filter typing. This is the one element of filter
900 * matching that doesn't exist as a (value, mask) tuple.
902 uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */
904 /* Packet dispatch information. Ingress packets which match the
905 * filter rules will be dropped, passed to the host or switched back
906 * out as egress packets.
908 uint32_t action:2; /* drop, pass, switch */
910 uint32_t rpttid:1; /* report TID in RSS hash field */
912 uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */
913 uint32_t iq:10; /* ingress queue */
915 uint32_t maskhash:1; /* dirsteer=0: store RSS hash in TCB */
916 uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
917 /* 1 => TCB contains IQ ID */
919 /* Switch proxy/rewrite fields. An ingress packet which matches a
920 * filter with "switch" set will be looped back out as an egress
921 * packet -- potentially with some Ethernet header rewriting.
923 uint32_t eport:2; /* egress port to switch packet out */
924 uint32_t newdmac:1; /* rewrite destination MAC address */
925 uint32_t newsmac:1; /* rewrite source MAC address */
926 uint32_t newvlan:2; /* rewrite VLAN Tag */
927 uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
928 uint8_t smac[ETH_ALEN]; /* new source MAC address */
929 uint16_t vlan; /* VLAN Tag to insert */
931 /* Filter rule value/mask pairs.
933 struct ch_filter_tuple val;
934 struct ch_filter_tuple mask;
938 FILTER_PASS = 0, /* default */
944 VLAN_NOCHANGE = 0, /* default */
950 static inline int is_offload(const struct adapter *adap)
952 return adap->params.offload;
955 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
957 return readl(adap->regs + reg_addr);
960 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
962 writel(val, adap->regs + reg_addr);
966 static inline u64 readq(const volatile void __iomem *addr)
968 return readl(addr) + ((u64)readl(addr + 4) << 32);
971 static inline void writeq(u64 val, volatile void __iomem *addr)
974 writel(val >> 32, addr + 4);
978 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
980 return readq(adap->regs + reg_addr);
983 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
985 writeq(val, adap->regs + reg_addr);
989 * t4_set_hw_addr - store a port's MAC address in SW
990 * @adapter: the adapter
991 * @port_idx: the port index
992 * @hw_addr: the Ethernet address
994 * Store the Ethernet address of the given port in SW. Called by the common
995 * code when it retrieves a port's Ethernet address from EEPROM.
997 static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
1000 ether_addr_copy(adapter->port[port_idx]->dev_addr, hw_addr);
1001 ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr);
1005 * netdev2pinfo - return the port_info structure associated with a net_device
1008 * Return the struct port_info associated with a net_device
1010 static inline struct port_info *netdev2pinfo(const struct net_device *dev)
1012 return netdev_priv(dev);
1016 * adap2pinfo - return the port_info of a port
1017 * @adap: the adapter
1018 * @idx: the port index
1020 * Return the port_info structure for the port of the given index.
1022 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
1024 return netdev_priv(adap->port[idx]);
1028 * netdev2adap - return the adapter structure associated with a net_device
1031 * Return the struct adapter associated with a net_device
1033 static inline struct adapter *netdev2adap(const struct net_device *dev)
1035 return netdev2pinfo(dev)->adapter;
1038 #ifdef CONFIG_NET_RX_BUSY_POLL
1039 static inline void cxgb_busy_poll_init_lock(struct sge_rspq *q)
1041 spin_lock_init(&q->bpoll_lock);
1042 q->bpoll_state = CXGB_POLL_STATE_IDLE;
1045 static inline bool cxgb_poll_lock_napi(struct sge_rspq *q)
1049 spin_lock(&q->bpoll_lock);
1050 if (q->bpoll_state & CXGB_POLL_LOCKED) {
1051 q->bpoll_state |= CXGB_POLL_STATE_NAPI_YIELD;
1054 q->bpoll_state = CXGB_POLL_STATE_NAPI;
1056 spin_unlock(&q->bpoll_lock);
1060 static inline bool cxgb_poll_unlock_napi(struct sge_rspq *q)
1064 spin_lock(&q->bpoll_lock);
1065 if (q->bpoll_state & CXGB_POLL_STATE_POLL_YIELD)
1067 q->bpoll_state = CXGB_POLL_STATE_IDLE;
1068 spin_unlock(&q->bpoll_lock);
1072 static inline bool cxgb_poll_lock_poll(struct sge_rspq *q)
1076 spin_lock_bh(&q->bpoll_lock);
1077 if (q->bpoll_state & CXGB_POLL_LOCKED) {
1078 q->bpoll_state |= CXGB_POLL_STATE_POLL_YIELD;
1081 q->bpoll_state |= CXGB_POLL_STATE_POLL;
1083 spin_unlock_bh(&q->bpoll_lock);
1087 static inline bool cxgb_poll_unlock_poll(struct sge_rspq *q)
1091 spin_lock_bh(&q->bpoll_lock);
1092 if (q->bpoll_state & CXGB_POLL_STATE_POLL_YIELD)
1094 q->bpoll_state = CXGB_POLL_STATE_IDLE;
1095 spin_unlock_bh(&q->bpoll_lock);
1099 static inline bool cxgb_poll_busy_polling(struct sge_rspq *q)
1101 return q->bpoll_state & CXGB_POLL_USER_PEND;
1104 static inline void cxgb_busy_poll_init_lock(struct sge_rspq *q)
1108 static inline bool cxgb_poll_lock_napi(struct sge_rspq *q)
1113 static inline bool cxgb_poll_unlock_napi(struct sge_rspq *q)
1118 static inline bool cxgb_poll_lock_poll(struct sge_rspq *q)
1123 static inline bool cxgb_poll_unlock_poll(struct sge_rspq *q)
1128 static inline bool cxgb_poll_busy_polling(struct sge_rspq *q)
1132 #endif /* CONFIG_NET_RX_BUSY_POLL */
1134 /* Return a version number to identify the type of adapter. The scheme is:
1135 * - bits 0..9: chip version
1136 * - bits 10..15: chip revision
1137 * - bits 16..23: register dump version
1139 static inline unsigned int mk_adap_vers(struct adapter *ap)
1141 return CHELSIO_CHIP_VERSION(ap->params.chip) |
1142 (CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
1145 /* Return a queue's interrupt hold-off time in us. 0 means no timer. */
1146 static inline unsigned int qtimer_val(const struct adapter *adap,
1147 const struct sge_rspq *q)
1149 unsigned int idx = q->intr_params >> 1;
1151 return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
1154 /* driver version & name used for ethtool_drvinfo */
1155 extern char cxgb4_driver_name[];
1156 extern const char cxgb4_driver_version[];
1158 void t4_os_portmod_changed(const struct adapter *adap, int port_id);
1159 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1161 void *t4_alloc_mem(size_t size);
1163 void t4_free_sge_resources(struct adapter *adap);
1164 void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
1165 irq_handler_t t4_intr_handler(struct adapter *adap);
1166 netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev);
1167 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1168 const struct pkt_gl *gl);
1169 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1170 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1171 int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
1172 struct net_device *dev, int intr_idx,
1173 struct sge_fl *fl, rspq_handler_t hnd,
1174 rspq_flush_handler_t flush_handler, int cong);
1175 int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
1176 struct net_device *dev, struct netdev_queue *netdevq,
1178 int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
1179 struct net_device *dev, unsigned int iqid,
1180 unsigned int cmplqid);
1181 int t4_sge_alloc_ofld_txq(struct adapter *adap, struct sge_ofld_txq *txq,
1182 struct net_device *dev, unsigned int iqid);
1183 irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1184 int t4_sge_init(struct adapter *adap);
1185 void t4_sge_start(struct adapter *adap);
1186 void t4_sge_stop(struct adapter *adap);
1187 int cxgb_busy_poll(struct napi_struct *napi);
1188 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1190 void cxgb4_set_ethtool_ops(struct net_device *netdev);
1191 int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1192 extern int dbfifo_int_thresh;
1194 #define for_each_port(adapter, iter) \
1195 for (iter = 0; iter < (adapter)->params.nports; ++iter)
1197 static inline int is_bypass(struct adapter *adap)
1199 return adap->params.bypass;
1202 static inline int is_bypass_device(int device)
1204 /* this should be set based upon device capabilities */
1214 static inline int is_10gbt_device(int device)
1216 /* this should be set based upon device capabilities */
1227 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1229 return adap->params.vpd.cclk / 1000;
1232 static inline unsigned int us_to_core_ticks(const struct adapter *adap,
1235 return (us * adap->params.vpd.cclk) / 1000;
1238 static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
1241 /* add Core Clock / 2 to round ticks to nearest uS */
1242 return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
1243 adapter->params.vpd.cclk);
1246 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1249 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1250 int size, void *rpl, bool sleep_ok, int timeout);
1251 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1252 void *rpl, bool sleep_ok);
1254 static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox,
1255 const void *cmd, int size, void *rpl,
1258 return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true,
1262 static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
1263 int size, void *rpl)
1265 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
1268 static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
1269 int size, void *rpl)
1271 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
1275 * hash_mac_addr - return the hash value of a MAC address
1276 * @addr: the 48-bit Ethernet MAC address
1278 * Hashes a MAC address according to the hash function used by HW inexact
1279 * (hash) address matching.
1281 static inline int hash_mac_addr(const u8 *addr)
1283 u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
1284 u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
1292 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
1293 unsigned int data_reg, const u32 *vals,
1294 unsigned int nregs, unsigned int start_idx);
1295 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
1296 unsigned int data_reg, u32 *vals, unsigned int nregs,
1297 unsigned int start_idx);
1298 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1300 struct fw_filter_wr;
1302 void t4_intr_enable(struct adapter *adapter);
1303 void t4_intr_disable(struct adapter *adapter);
1304 int t4_slow_intr_handler(struct adapter *adapter);
1306 int t4_wait_dev_ready(void __iomem *regs);
1307 int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port,
1308 struct link_config *lc);
1309 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1311 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
1312 u32 t4_get_util_window(struct adapter *adap);
1313 void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
1315 #define T4_MEMORY_WRITE 0
1316 #define T4_MEMORY_READ 1
1317 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1318 void *buf, int dir);
1319 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
1320 u32 len, __be32 *buf)
1322 return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
1325 unsigned int t4_get_regs_len(struct adapter *adapter);
1326 void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1328 int t4_seeprom_wp(struct adapter *adapter, bool enable);
1329 int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
1330 int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1331 int t4_read_flash(struct adapter *adapter, unsigned int addr,
1332 unsigned int nwords, u32 *data, int byte_oriented);
1333 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1334 int t4_load_phy_fw(struct adapter *adap,
1335 int win, spinlock_t *lock,
1336 int (*phy_fw_version)(const u8 *, size_t),
1337 const u8 *phy_fw_data, size_t phy_fw_size);
1338 int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
1339 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1340 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1341 const u8 *fw_data, unsigned int size, int force);
1342 int t4_fl_pkt_align(struct adapter *adap);
1343 unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1344 int t4_check_fw_version(struct adapter *adap);
1345 int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1346 int t4_get_bs_version(struct adapter *adapter, u32 *vers);
1347 int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1348 int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1349 int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1350 const u8 *fw_data, unsigned int fw_size,
1351 struct fw_hdr *card_fw, enum dev_state state, int *reset);
1352 int t4_prep_adapter(struct adapter *adapter);
1354 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1355 int t4_bar2_sge_qregs(struct adapter *adapter,
1357 enum t4_bar2_qtype qtype,
1360 unsigned int *pbar2_qid);
1362 unsigned int qtimer_val(const struct adapter *adap,
1363 const struct sge_rspq *q);
1365 int t4_init_devlog_params(struct adapter *adapter);
1366 int t4_init_sge_params(struct adapter *adapter);
1367 int t4_init_tp_params(struct adapter *adap);
1368 int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1369 int t4_init_rss_mode(struct adapter *adap, int mbox);
1370 int t4_init_portinfo(struct port_info *pi, int mbox,
1371 int port, int pf, int vf, u8 mac[]);
1372 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1373 void t4_fatal_err(struct adapter *adapter);
1374 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1375 int start, int n, const u16 *rspq, unsigned int nrspq);
1376 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1377 unsigned int flags);
1378 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
1379 unsigned int flags, unsigned int defq);
1380 int t4_read_rss(struct adapter *adapter, u16 *entries);
1381 void t4_read_rss_key(struct adapter *adapter, u32 *key);
1382 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx);
1383 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1385 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1386 u32 *vfl, u32 *vfh);
1387 u32 t4_read_rss_pf_map(struct adapter *adapter);
1388 u32 t4_read_rss_pf_mask(struct adapter *adapter);
1390 unsigned int t4_get_mps_bg_map(struct adapter *adapter, int idx);
1391 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1392 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1393 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1395 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1397 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1398 unsigned int *valp);
1399 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1400 const unsigned int *valp);
1401 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1402 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
1403 unsigned int *pif_req_wrptr,
1404 unsigned int *pif_rsp_wrptr);
1405 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
1406 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1407 const char *t4_get_port_type_description(enum fw_port_type port_type);
1408 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1409 void t4_get_port_stats_offset(struct adapter *adap, int idx,
1410 struct port_stats *stats,
1411 struct port_stats *offset);
1412 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
1413 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1414 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1415 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1416 unsigned int mask, unsigned int val);
1417 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1418 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st);
1419 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st);
1420 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st);
1421 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st);
1422 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1423 struct tp_tcp_stats *v6);
1424 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
1425 struct tp_fcoe_stats *st);
1426 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1427 const unsigned short *alpha, const unsigned short *beta);
1429 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1431 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
1432 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1434 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
1436 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
1437 u64 mask0, u64 mask1, unsigned int crc, bool enable);
1439 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1440 enum dev_master master, enum dev_state *state);
1441 int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1442 int t4_early_init(struct adapter *adap, unsigned int mbox);
1443 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1444 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1445 unsigned int cache_line_size);
1446 int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1447 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1448 unsigned int vf, unsigned int nparams, const u32 *params,
1450 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
1451 unsigned int vf, unsigned int nparams, const u32 *params,
1453 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
1454 unsigned int pf, unsigned int vf,
1455 unsigned int nparams, const u32 *params,
1456 const u32 *val, int timeout);
1457 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1458 unsigned int vf, unsigned int nparams, const u32 *params,
1460 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1461 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1462 unsigned int rxqi, unsigned int rxq, unsigned int tc,
1463 unsigned int vi, unsigned int cmask, unsigned int pmask,
1464 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1465 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1466 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1467 unsigned int *rss_size);
1468 int t4_free_vi(struct adapter *adap, unsigned int mbox,
1469 unsigned int pf, unsigned int vf,
1471 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
1472 int mtu, int promisc, int all_multi, int bcast, int vlanex,
1474 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
1475 unsigned int viid, bool free, unsigned int naddr,
1476 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
1477 int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
1478 unsigned int viid, unsigned int naddr,
1479 const u8 **addr, bool sleep_ok);
1480 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
1481 int idx, const u8 *addr, bool persist, bool add_smt);
1482 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
1483 bool ucast, u64 vec, bool sleep_ok);
1484 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
1485 unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
1486 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
1487 bool rx_en, bool tx_en);
1488 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
1489 unsigned int nblinks);
1490 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1491 unsigned int mmd, unsigned int reg, u16 *valp);
1492 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1493 unsigned int mmd, unsigned int reg, u16 val);
1494 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
1495 unsigned int vf, unsigned int iqtype, unsigned int iqid,
1496 unsigned int fl0id, unsigned int fl1id);
1497 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1498 unsigned int vf, unsigned int iqtype, unsigned int iqid,
1499 unsigned int fl0id, unsigned int fl1id);
1500 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1501 unsigned int vf, unsigned int eqid);
1502 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1503 unsigned int vf, unsigned int eqid);
1504 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1505 unsigned int vf, unsigned int eqid);
1506 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox);
1507 void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
1508 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
1509 void t4_db_full(struct adapter *adapter);
1510 void t4_db_dropped(struct adapter *adapter);
1511 int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
1512 int filter_index, int enable);
1513 void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
1514 int filter_index, int *enabled);
1515 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
1517 void t4_sge_decode_idma_state(struct adapter *adapter, int state);
1518 void t4_free_mem(void *addr);
1519 void t4_idma_monitor_init(struct adapter *adapter,
1520 struct sge_idma_monitor_state *idma);
1521 void t4_idma_monitor(struct adapter *adapter,
1522 struct sge_idma_monitor_state *idma,
1524 #endif /* __CXGB4_H__ */