drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h

   1 /*
   2  * This file is part of the Chelsio T4 Ethernet driver for Linux.
   3  *
   4  * Copyright (c) 2003-2016 Chelsio Communications, Inc. All rights reserved.
   5  *
   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:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  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.
  24  *
  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
  32  * SOFTWARE.
  33  */
  34
  35 #ifndef __CXGB4_ULD_H
  36 #define __CXGB4_ULD_H
  37
  38 #include <linux/cache.h>
  39 #include <linux/spinlock.h>
  40 #include <linux/skbuff.h>
  41 #include <linux/inetdevice.h>
  42 #include <linux/atomic.h>
  43 #include <net/tls.h>
  44 #include "cxgb4.h"
  45
  46 #define MAX_ULD_QSETS 16
  47 #define MAX_ULD_NPORTS 4
  48
  49 /* CPL message priority levels */
  50 enum {
  51         CPL_PRIORITY_DATA     = 0,  /* data messages */
  52         CPL_PRIORITY_SETUP    = 1,  /* connection setup messages */
  53         CPL_PRIORITY_TEARDOWN = 0,  /* connection teardown messages */
  54         CPL_PRIORITY_LISTEN   = 1,  /* listen start/stop messages */
  55         CPL_PRIORITY_ACK      = 1,  /* RX ACK messages */
  56         CPL_PRIORITY_CONTROL  = 1   /* control messages */
  57 };
  58
  59 #define INIT_TP_WR(w, tid) do { \
  60         (w)->wr.wr_hi = htonl(FW_WR_OP_V(FW_TP_WR) | \
  61                               FW_WR_IMMDLEN_V(sizeof(*w) - sizeof(w->wr))); \
  62         (w)->wr.wr_mid = htonl(FW_WR_LEN16_V(DIV_ROUND_UP(sizeof(*w), 16)) | \
  63                                FW_WR_FLOWID_V(tid)); \
  64         (w)->wr.wr_lo = cpu_to_be64(0); \
  65 } while (0)
  66
  67 #define INIT_TP_WR_CPL(w, cpl, tid) do { \
  68         INIT_TP_WR(w, tid); \
  69         OPCODE_TID(w) = htonl(MK_OPCODE_TID(cpl, tid)); \
  70 } while (0)
  71
  72 #define INIT_ULPTX_WR(w, wrlen, atomic, tid) do { \
  73         (w)->wr.wr_hi = htonl(FW_WR_OP_V(FW_ULPTX_WR) | \
  74                               FW_WR_ATOMIC_V(atomic)); \
  75         (w)->wr.wr_mid = htonl(FW_WR_LEN16_V(DIV_ROUND_UP(wrlen, 16)) | \
  76                                FW_WR_FLOWID_V(tid)); \
  77         (w)->wr.wr_lo = cpu_to_be64(0); \
  78 } while (0)
  79
  80 /* Special asynchronous notification message */
  81 #define CXGB4_MSG_AN ((void *)1)
  82 #define TX_ULD(uld)(((uld) != CXGB4_ULD_CRYPTO) ? CXGB4_TX_OFLD :\
  83                       CXGB4_TX_CRYPTO)
  84
  85 struct serv_entry {
  86         void *data;
  87 };
  88
  89 union aopen_entry {
  90         void *data;
  91         union aopen_entry *next;
  92 };
  93
  94 struct eotid_entry {
  95         void *data;
  96 };
  97
  98 /*
  99  * Holds the size, base address, free list start, etc of the TID, server TID,
 100  * and active-open TID tables.  The tables themselves are allocated dynamically.
 101  */
 102 struct tid_info {
 103         void **tid_tab;
 104         unsigned int tid_base;
 105         unsigned int ntids;
 106
 107         struct serv_entry *stid_tab;
 108         unsigned long *stid_bmap;
 109         unsigned int nstids;
 110         unsigned int stid_base;
 111
 112         unsigned int nhash;
 113         unsigned int hash_base;
 114
 115         union aopen_entry *atid_tab;
 116         unsigned int natids;
 117         unsigned int atid_base;
 118
 119         struct filter_entry *hpftid_tab;
 120         unsigned long *hpftid_bmap;
 121         unsigned int nhpftids;
 122         unsigned int hpftid_base;
 123
 124         struct filter_entry *ftid_tab;
 125         unsigned long *ftid_bmap;
 126         unsigned int nftids;
 127         unsigned int ftid_base;
 128         unsigned int aftid_base;
 129         unsigned int aftid_end;
 130         /* Server filter region */
 131         unsigned int sftid_base;
 132         unsigned int nsftids;
 133
 134         spinlock_t atid_lock ____cacheline_aligned_in_smp;
 135         union aopen_entry *afree;
 136         unsigned int atids_in_use;
 137
 138         spinlock_t stid_lock;
 139         unsigned int stids_in_use;
 140         unsigned int v6_stids_in_use;
 141         unsigned int sftids_in_use;
 142
 143         /* ETHOFLD range */
 144         struct eotid_entry *eotid_tab;
 145         unsigned long *eotid_bmap;
 146         unsigned int eotid_base;
 147         unsigned int neotids;
 148
 149         /* TIDs in the TCAM */
 150         atomic_t tids_in_use;
 151         /* TIDs in the HASH */
 152         atomic_t hash_tids_in_use;
 153         atomic_t conns_in_use;
 154         /* ETHOFLD TIDs used for rate limiting */
 155         atomic_t eotids_in_use;
 156
 157         /* lock for setting/clearing filter bitmap */
 158         spinlock_t ftid_lock;
 159
 160         unsigned int tc_hash_tids_max_prio;
 161 };
 162
 163 static inline void *lookup_tid(const struct tid_info *t, unsigned int tid)
 164 {
 165         tid -= t->tid_base;
 166         return tid < t->ntids ? t->tid_tab[tid] : NULL;
 167 }
 168
 169 static inline bool tid_out_of_range(const struct tid_info *t, unsigned int tid)
 170 {
 171         return ((tid - t->tid_base) >= t->ntids);
 172 }
 173
 174 static inline void *lookup_atid(const struct tid_info *t, unsigned int atid)
 175 {
 176         return atid < t->natids ? t->atid_tab[atid].data : NULL;
 177 }
 178
 179 static inline void *lookup_stid(const struct tid_info *t, unsigned int stid)
 180 {
 181         /* Is it a server filter TID? */
 182         if (t->nsftids && (stid >= t->sftid_base)) {
 183                 stid -= t->sftid_base;
 184                 stid += t->nstids;
 185         } else {
 186                 stid -= t->stid_base;
 187         }
 188
 189         return stid < (t->nstids + t->nsftids) ? t->stid_tab[stid].data : NULL;
 190 }
 191
 192 static inline void cxgb4_insert_tid(struct tid_info *t, void *data,
 193                                     unsigned int tid, unsigned short family)
 194 {
 195         t->tid_tab[tid - t->tid_base] = data;
 196         if (t->hash_base && (tid >= t->hash_base)) {
 197                 if (family == AF_INET6)
 198                         atomic_add(2, &t->hash_tids_in_use);
 199                 else
 200                         atomic_inc(&t->hash_tids_in_use);
 201         } else {
 202                 if (family == AF_INET6)
 203                         atomic_add(2, &t->tids_in_use);
 204                 else
 205                         atomic_inc(&t->tids_in_use);
 206         }
 207         atomic_inc(&t->conns_in_use);
 208 }
 209
 210 static inline struct eotid_entry *cxgb4_lookup_eotid(struct tid_info *t,
 211                                                      u32 eotid)
 212 {
 213         return eotid < t->neotids ? &t->eotid_tab[eotid] : NULL;
 214 }
 215
 216 static inline int cxgb4_get_free_eotid(struct tid_info *t)
 217 {
 218         int eotid;
 219
 220         eotid = find_first_zero_bit(t->eotid_bmap, t->neotids);
 221         if (eotid >= t->neotids)
 222                 eotid = -1;
 223
 224         return eotid;
 225 }
 226
 227 static inline void cxgb4_alloc_eotid(struct tid_info *t, u32 eotid, void *data)
 228 {
 229         set_bit(eotid, t->eotid_bmap);
 230         t->eotid_tab[eotid].data = data;
 231         atomic_inc(&t->eotids_in_use);
 232 }
 233
 234 static inline void cxgb4_free_eotid(struct tid_info *t, u32 eotid)
 235 {
 236         clear_bit(eotid, t->eotid_bmap);
 237         t->eotid_tab[eotid].data = NULL;
 238         atomic_dec(&t->eotids_in_use);
 239 }
 240
 241 int cxgb4_alloc_atid(struct tid_info *t, void *data);
 242 int cxgb4_alloc_stid(struct tid_info *t, int family, void *data);
 243 int cxgb4_alloc_sftid(struct tid_info *t, int family, void *data);
 244 void cxgb4_free_atid(struct tid_info *t, unsigned int atid);
 245 void cxgb4_free_stid(struct tid_info *t, unsigned int stid, int family);
 246 void cxgb4_remove_tid(struct tid_info *t, unsigned int qid, unsigned int tid,
 247                       unsigned short family);
 248 struct in6_addr;
 249
 250 int cxgb4_create_server(const struct net_device *dev, unsigned int stid,
 251                         __be32 sip, __be16 sport, __be16 vlan,
 252                         unsigned int queue);
 253 int cxgb4_create_server6(const struct net_device *dev, unsigned int stid,
 254                          const struct in6_addr *sip, __be16 sport,
 255                          unsigned int queue);
 256 int cxgb4_remove_server(const struct net_device *dev, unsigned int stid,
 257                         unsigned int queue, bool ipv6);
 258 int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid,
 259                                __be32 sip, __be16 sport, __be16 vlan,
 260                                unsigned int queue,
 261                                unsigned char port, unsigned char mask);
 262 int cxgb4_remove_server_filter(const struct net_device *dev, unsigned int stid,
 263                                unsigned int queue, bool ipv6);
 264
 265 /* Filter operation context to allow callers of cxgb4_set_filter() and
 266  * cxgb4_del_filter() to wait for an asynchronous completion.
 267  */
 268 struct filter_ctx {
 269         struct completion completion;   /* completion rendezvous */
 270         void *closure;                  /* caller's opaque information */
 271         int result;                     /* result of operation */
 272         u32 tid;                        /* to store tid */
 273 };
 274
 275 struct chcr_ktls {
 276         refcount_t ktls_refcount;
 277 };
 278
 279 struct ch_filter_specification;
 280
 281 int cxgb4_get_free_ftid(struct net_device *dev, u8 family, bool hash_en,
 282                         u32 tc_prio);
 283 int __cxgb4_set_filter(struct net_device *dev, int filter_id,
 284                        struct ch_filter_specification *fs,
 285                        struct filter_ctx *ctx);
 286 int __cxgb4_del_filter(struct net_device *dev, int filter_id,
 287                        struct ch_filter_specification *fs,
 288                        struct filter_ctx *ctx);
 289 int cxgb4_set_filter(struct net_device *dev, int filter_id,
 290                      struct ch_filter_specification *fs);
 291 int cxgb4_del_filter(struct net_device *dev, int filter_id,
 292                      struct ch_filter_specification *fs);
 293 int cxgb4_get_filter_counters(struct net_device *dev, unsigned int fidx,
 294                               u64 *hitcnt, u64 *bytecnt, bool hash);
 295
 296 static inline void set_wr_txq(struct sk_buff *skb, int prio, int queue)
 297 {
 298         skb_set_queue_mapping(skb, (queue << 1) | prio);
 299 }
 300
 301 enum cxgb4_uld {
 302         CXGB4_ULD_INIT,
 303         CXGB4_ULD_RDMA,
 304         CXGB4_ULD_ISCSI,
 305         CXGB4_ULD_ISCSIT,
 306         CXGB4_ULD_CRYPTO,
 307         CXGB4_ULD_IPSEC,
 308         CXGB4_ULD_TLS,
 309         CXGB4_ULD_KTLS,
 310         CXGB4_ULD_MAX
 311 };
 312
 313 enum cxgb4_tx_uld {
 314         CXGB4_TX_OFLD,
 315         CXGB4_TX_CRYPTO,
 316         CXGB4_TX_MAX
 317 };
 318
 319 enum cxgb4_txq_type {
 320         CXGB4_TXQ_ETH,
 321         CXGB4_TXQ_ULD,
 322         CXGB4_TXQ_CTRL,
 323         CXGB4_TXQ_MAX
 324 };
 325
 326 enum cxgb4_state {
 327         CXGB4_STATE_UP,
 328         CXGB4_STATE_START_RECOVERY,
 329         CXGB4_STATE_DOWN,
 330         CXGB4_STATE_DETACH,
 331         CXGB4_STATE_FATAL_ERROR
 332 };
 333
 334 enum cxgb4_control {
 335         CXGB4_CONTROL_DB_FULL,
 336         CXGB4_CONTROL_DB_EMPTY,
 337         CXGB4_CONTROL_DB_DROP,
 338 };
 339
 340 struct adapter;
 341 struct pci_dev;
 342 struct l2t_data;
 343 struct net_device;
 344 struct pkt_gl;
 345 struct tp_tcp_stats;
 346 struct t4_lro_mgr;
 347
 348 struct cxgb4_range {
 349         unsigned int start;
 350         unsigned int size;
 351 };
 352
 353 struct cxgb4_virt_res {                      /* virtualized HW resources */
 354         struct cxgb4_range ddp;
 355         struct cxgb4_range iscsi;
 356         struct cxgb4_range stag;
 357         struct cxgb4_range rq;
 358         struct cxgb4_range srq;
 359         struct cxgb4_range pbl;
 360         struct cxgb4_range qp;
 361         struct cxgb4_range cq;
 362         struct cxgb4_range ocq;
 363         struct cxgb4_range key;
 364         unsigned int ncrypto_fc;
 365         struct cxgb4_range ppod_edram;
 366 };
 367
 368 #if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
 369 struct ch_ktls_port_stats_debug {
 370         atomic64_t ktls_tx_connection_open;
 371         atomic64_t ktls_tx_connection_fail;
 372         atomic64_t ktls_tx_connection_close;
 373         atomic64_t ktls_tx_encrypted_packets;
 374         atomic64_t ktls_tx_encrypted_bytes;
 375         atomic64_t ktls_tx_ctx;
 376         atomic64_t ktls_tx_ooo;
 377         atomic64_t ktls_tx_skip_no_sync_data;
 378         atomic64_t ktls_tx_drop_no_sync_data;
 379         atomic64_t ktls_tx_drop_bypass_req;
 380 };
 381
 382 struct ch_ktls_stats_debug {
 383         struct ch_ktls_port_stats_debug ktls_port[MAX_ULD_NPORTS];
 384         atomic64_t ktls_tx_send_records;
 385         atomic64_t ktls_tx_end_pkts;
 386         atomic64_t ktls_tx_start_pkts;
 387         atomic64_t ktls_tx_middle_pkts;
 388         atomic64_t ktls_tx_retransmit_pkts;
 389         atomic64_t ktls_tx_complete_pkts;
 390         atomic64_t ktls_tx_trimmed_pkts;
 391         atomic64_t ktls_tx_fallback;
 392 };
 393 #endif
 394
 395 struct chcr_stats_debug {
 396         atomic_t cipher_rqst;
 397         atomic_t digest_rqst;
 398         atomic_t aead_rqst;
 399         atomic_t complete;
 400         atomic_t error;
 401         atomic_t fallback;
 402         atomic_t tls_pdu_tx;
 403         atomic_t tls_pdu_rx;
 404         atomic_t tls_key;
 405 };
 406
 407 #if IS_ENABLED(CONFIG_CHELSIO_IPSEC_INLINE)
 408 struct ch_ipsec_stats_debug {
 409         atomic_t ipsec_cnt;
 410 };
 411 #endif
 412
 413 #define OCQ_WIN_OFFSET(pdev, vres) \
 414         (pci_resource_len((pdev), 2) - roundup_pow_of_two((vres)->ocq.size))
 415
 416 /*
 417  * Block of information the LLD provides to ULDs attaching to a device.
 418  */
 419 struct cxgb4_lld_info {
 420         struct pci_dev *pdev;                /* associated PCI device */
 421         struct l2t_data *l2t;                /* L2 table */
 422         struct tid_info *tids;               /* TID table */
 423         struct net_device **ports;           /* device ports */
 424         const struct cxgb4_virt_res *vr;     /* assorted HW resources */
 425         const unsigned short *mtus;          /* MTU table */
 426         const unsigned short *rxq_ids;       /* the ULD's Rx queue ids */
 427         const unsigned short *ciq_ids;       /* the ULD's concentrator IQ ids */
 428         unsigned short nrxq;                 /* # of Rx queues */
 429         unsigned short ntxq;                 /* # of Tx queues */
 430         unsigned short nciq;                 /* # of concentrator IQ */
 431         unsigned char nchan:4;               /* # of channels */
 432         unsigned char nports:4;              /* # of ports */
 433         unsigned char wr_cred;               /* WR 16-byte credits */
 434         unsigned char adapter_type;          /* type of adapter */
 435         unsigned char fw_api_ver;            /* FW API version */
 436         unsigned char crypto;                /* crypto support */
 437         unsigned int fw_vers;                /* FW version */
 438         unsigned int iscsi_iolen;            /* iSCSI max I/O length */
 439         unsigned int cclk_ps;                /* Core clock period in psec */
 440         unsigned short udb_density;          /* # of user DB/page */
 441         unsigned short ucq_density;          /* # of user CQs/page */
 442         unsigned int sge_host_page_size;     /* SGE host page size */
 443         unsigned short filt_mode;            /* filter optional components */
 444         unsigned short tx_modq[NCHAN];       /* maps each tx channel to a */
 445                                              /* scheduler queue */
 446         void __iomem *gts_reg;               /* address of GTS register */
 447         void __iomem *db_reg;                /* address of kernel doorbell */
 448         int dbfifo_int_thresh;               /* doorbell fifo int threshold */
 449         unsigned int sge_ingpadboundary;     /* SGE ingress padding boundary */
 450         unsigned int sge_egrstatuspagesize;  /* SGE egress status page size */
 451         unsigned int sge_pktshift;           /* Padding between CPL and */
 452                                              /* packet data */
 453         unsigned int pf;                     /* Physical Function we're using */
 454         bool enable_fw_ofld_conn;            /* Enable connection through fw */
 455                                              /* WR */
 456         unsigned int max_ordird_qp;          /* Max ORD/IRD depth per RDMA QP */
 457         unsigned int max_ird_adapter;        /* Max IRD memory per adapter */
 458         bool ulptx_memwrite_dsgl;            /* use of T5 DSGL allowed */
 459         unsigned int iscsi_tagmask;          /* iscsi ddp tag mask */
 460         unsigned int iscsi_pgsz_order;       /* iscsi ddp page size orders */
 461         unsigned int iscsi_llimit;           /* chip's iscsi region llimit */
 462         unsigned int ulp_crypto;             /* crypto lookaside support */
 463         void **iscsi_ppm;                    /* iscsi page pod manager */
 464         int nodeid;                          /* device numa node id */
 465         bool fr_nsmr_tpte_wr_support;        /* FW supports FR_NSMR_TPTE_WR */
 466         bool write_w_imm_support;         /* FW supports WRITE_WITH_IMMEDIATE */
 467         bool write_cmpl_support;             /* FW supports WRITE_CMPL WR */
 468 };
 469
 470 struct cxgb4_uld_info {
 471         char name[IFNAMSIZ];
 472         void *handle;
 473         unsigned int nrxq;
 474         unsigned int rxq_size;
 475         unsigned int ntxq;
 476         bool ciq;
 477         bool lro;
 478         void *(*add)(const struct cxgb4_lld_info *p);
 479         int (*rx_handler)(void *handle, const __be64 *rsp,
 480                           const struct pkt_gl *gl);
 481         int (*state_change)(void *handle, enum cxgb4_state new_state);
 482         int (*control)(void *handle, enum cxgb4_control control, ...);
 483         int (*lro_rx_handler)(void *handle, const __be64 *rsp,
 484                               const struct pkt_gl *gl,
 485                               struct t4_lro_mgr *lro_mgr,
 486                               struct napi_struct *napi);
 487         void (*lro_flush)(struct t4_lro_mgr *);
 488         int (*tx_handler)(struct sk_buff *skb, struct net_device *dev);
 489 #if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
 490         const struct tlsdev_ops *tlsdev_ops;
 491 #endif
 492 #if IS_ENABLED(CONFIG_XFRM_OFFLOAD)
 493         const struct xfrmdev_ops *xfrmdev_ops;
 494 #endif
 495 };
 496
 497 static inline bool cxgb4_is_ktls_skb(struct sk_buff *skb)
 498 {
 499         return skb->sk && tls_is_sk_tx_device_offloaded(skb->sk);
 500 }
 501
 502 void cxgb4_uld_enable(struct adapter *adap);
 503 void cxgb4_register_uld(enum cxgb4_uld type, const struct cxgb4_uld_info *p);
 504 int cxgb4_unregister_uld(enum cxgb4_uld type);
 505 int cxgb4_ofld_send(struct net_device *dev, struct sk_buff *skb);
 506 int cxgb4_immdata_send(struct net_device *dev, unsigned int idx,
 507                        const void *src, unsigned int len);
 508 int cxgb4_crypto_send(struct net_device *dev, struct sk_buff *skb);
 509 unsigned int cxgb4_dbfifo_count(const struct net_device *dev, int lpfifo);
 510 unsigned int cxgb4_port_chan(const struct net_device *dev);
 511 unsigned int cxgb4_port_e2cchan(const struct net_device *dev);
 512 unsigned int cxgb4_port_viid(const struct net_device *dev);
 513 unsigned int cxgb4_tp_smt_idx(enum chip_type chip, unsigned int viid);
 514 unsigned int cxgb4_port_idx(const struct net_device *dev);
 515 unsigned int cxgb4_best_mtu(const unsigned short *mtus, unsigned short mtu,
 516                             unsigned int *idx);
 517 unsigned int cxgb4_best_aligned_mtu(const unsigned short *mtus,
 518                                     unsigned short header_size,
 519                                     unsigned short data_size_max,
 520                                     unsigned short data_size_align,
 521                                     unsigned int *mtu_idxp);
 522 void cxgb4_get_tcp_stats(struct pci_dev *pdev, struct tp_tcp_stats *v4,
 523                          struct tp_tcp_stats *v6);
 524 void cxgb4_iscsi_init(struct net_device *dev, unsigned int tag_mask,
 525                       const unsigned int *pgsz_order);
 526 struct sk_buff *cxgb4_pktgl_to_skb(const struct pkt_gl *gl,
 527                                    unsigned int skb_len, unsigned int pull_len);
 528 int cxgb4_sync_txq_pidx(struct net_device *dev, u16 qid, u16 pidx, u16 size);
 529 int cxgb4_flush_eq_cache(struct net_device *dev);
 530 int cxgb4_read_tpte(struct net_device *dev, u32 stag, __be32 *tpte);
 531 u64 cxgb4_read_sge_timestamp(struct net_device *dev);
 532
 533 enum cxgb4_bar2_qtype { CXGB4_BAR2_QTYPE_EGRESS, CXGB4_BAR2_QTYPE_INGRESS };
 534 int cxgb4_bar2_sge_qregs(struct net_device *dev,
 535                          unsigned int qid,
 536                          enum cxgb4_bar2_qtype qtype,
 537                          int user,
 538                          u64 *pbar2_qoffset,
 539                          unsigned int *pbar2_qid);
 540
 541 #endif  /* !__CXGB4_ULD_H */