include/linux/qed/qed_eth_if.h

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #ifndef _QED_ETH_IF_H
  34 #define _QED_ETH_IF_H
  35
  36 #include <linux/list.h>
  37 #include <linux/if_link.h>
  38 #include <linux/qed/eth_common.h>
  39 #include <linux/qed/qed_if.h>
  40 #include <linux/qed/qed_iov_if.h>
  41
  42 struct qed_queue_start_common_params {
  43         /* Should always be relative to entity sending this. */
  44         u8 vport_id;
  45         u16 queue_id;
  46
  47         /* Relative, but relevant only for PFs */
  48         u8 stats_id;
  49
  50         struct qed_sb_info *p_sb;
  51         u8 sb_idx;
  52 };
  53
  54 struct qed_rxq_start_ret_params {
  55         void __iomem *p_prod;
  56         void *p_handle;
  57 };
  58
  59 struct qed_txq_start_ret_params {
  60         void __iomem *p_doorbell;
  61         void *p_handle;
  62 };
  63
  64 enum qed_filter_config_mode {
  65         QED_FILTER_CONFIG_MODE_DISABLE,
  66         QED_FILTER_CONFIG_MODE_5_TUPLE,
  67         QED_FILTER_CONFIG_MODE_L4_PORT,
  68         QED_FILTER_CONFIG_MODE_IP_DEST,
  69 };
  70
  71 struct qed_ntuple_filter_params {
  72         /* Physically mapped address containing header of buffer to be used
  73          * as filter.
  74          */
  75         dma_addr_t addr;
  76
  77         /* Length of header in bytes */
  78         u16 length;
  79
  80         /* Relative queue-id to receive classified packet */
  81 #define QED_RFS_NTUPLE_QID_RSS ((u16)-1)
  82         u16 qid;
  83
  84         /* Identifier can either be according to vport-id or vfid */
  85         bool b_is_vf;
  86         u8 vport_id;
  87         u8 vf_id;
  88
  89         /* true iff this filter is to be added. Else to be removed */
  90         bool b_is_add;
  91 };
  92
  93 struct qed_dev_eth_info {
  94         struct qed_dev_info common;
  95
  96         u8      num_queues;
  97         u8      num_tc;
  98
  99         u8      port_mac[ETH_ALEN];
 100         u16     num_vlan_filters;
 101         u16     num_mac_filters;
 102
 103         /* Legacy VF - this affects the datapath, so qede has to know */
 104         bool is_legacy;
 105
 106         /* Might depend on available resources [in case of VF] */
 107         bool xdp_supported;
 108 };
 109
 110 struct qed_update_vport_rss_params {
 111         void    *rss_ind_table[128];
 112         u32     rss_key[10];
 113         u8      rss_caps;
 114 };
 115
 116 struct qed_update_vport_params {
 117         u8 vport_id;
 118         u8 update_vport_active_flg;
 119         u8 vport_active_flg;
 120         u8 update_tx_switching_flg;
 121         u8 tx_switching_flg;
 122         u8 update_accept_any_vlan_flg;
 123         u8 accept_any_vlan;
 124         u8 update_rss_flg;
 125         struct qed_update_vport_rss_params rss_params;
 126 };
 127
 128 struct qed_start_vport_params {
 129         bool remove_inner_vlan;
 130         bool handle_ptp_pkts;
 131         bool gro_enable;
 132         bool drop_ttl0;
 133         u8 vport_id;
 134         u16 mtu;
 135         bool clear_stats;
 136 };
 137
 138 enum qed_filter_rx_mode_type {
 139         QED_FILTER_RX_MODE_TYPE_REGULAR,
 140         QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC,
 141         QED_FILTER_RX_MODE_TYPE_PROMISC,
 142 };
 143
 144 enum qed_filter_xcast_params_type {
 145         QED_FILTER_XCAST_TYPE_ADD,
 146         QED_FILTER_XCAST_TYPE_DEL,
 147         QED_FILTER_XCAST_TYPE_REPLACE,
 148 };
 149
 150 struct qed_filter_ucast_params {
 151         enum qed_filter_xcast_params_type type;
 152         u8 vlan_valid;
 153         u16 vlan;
 154         u8 mac_valid;
 155         unsigned char mac[ETH_ALEN];
 156 };
 157
 158 struct qed_filter_mcast_params {
 159         enum qed_filter_xcast_params_type type;
 160         u8 num;
 161         unsigned char mac[64][ETH_ALEN];
 162 };
 163
 164 union qed_filter_type_params {
 165         enum qed_filter_rx_mode_type accept_flags;
 166         struct qed_filter_ucast_params ucast;
 167         struct qed_filter_mcast_params mcast;
 168 };
 169
 170 enum qed_filter_type {
 171         QED_FILTER_TYPE_UCAST,
 172         QED_FILTER_TYPE_MCAST,
 173         QED_FILTER_TYPE_RX_MODE,
 174         QED_MAX_FILTER_TYPES,
 175 };
 176
 177 struct qed_filter_params {
 178         enum qed_filter_type type;
 179         union qed_filter_type_params filter;
 180 };
 181
 182 struct qed_tunn_params {
 183         u16 vxlan_port;
 184         u8 update_vxlan_port;
 185         u16 geneve_port;
 186         u8 update_geneve_port;
 187 };
 188
 189 struct qed_eth_cb_ops {
 190         struct qed_common_cb_ops common;
 191         void (*force_mac) (void *dev, u8 *mac, bool forced);
 192         void (*ports_update)(void *dev, u16 vxlan_port, u16 geneve_port);
 193 };
 194
 195 #define QED_MAX_PHC_DRIFT_PPB   291666666
 196
 197 enum qed_ptp_filter_type {
 198         QED_PTP_FILTER_NONE,
 199         QED_PTP_FILTER_ALL,
 200         QED_PTP_FILTER_V1_L4_EVENT,
 201         QED_PTP_FILTER_V1_L4_GEN,
 202         QED_PTP_FILTER_V2_L4_EVENT,
 203         QED_PTP_FILTER_V2_L4_GEN,
 204         QED_PTP_FILTER_V2_L2_EVENT,
 205         QED_PTP_FILTER_V2_L2_GEN,
 206         QED_PTP_FILTER_V2_EVENT,
 207         QED_PTP_FILTER_V2_GEN
 208 };
 209
 210 enum qed_ptp_hwtstamp_tx_type {
 211         QED_PTP_HWTSTAMP_TX_OFF,
 212         QED_PTP_HWTSTAMP_TX_ON,
 213 };
 214
 215 #ifdef CONFIG_DCB
 216 /* Prototype declaration of qed_eth_dcbnl_ops should match with the declaration
 217  * of dcbnl_rtnl_ops structure.
 218  */
 219 struct qed_eth_dcbnl_ops {
 220         /* IEEE 802.1Qaz std */
 221         int (*ieee_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
 222         int (*ieee_setpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
 223         int (*ieee_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
 224         int (*ieee_setets)(struct qed_dev *cdev, struct ieee_ets *ets);
 225         int (*ieee_peer_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
 226         int (*ieee_peer_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
 227         int (*ieee_getapp)(struct qed_dev *cdev, struct dcb_app *app);
 228         int (*ieee_setapp)(struct qed_dev *cdev, struct dcb_app *app);
 229
 230         /* CEE std */
 231         u8 (*getstate)(struct qed_dev *cdev);
 232         u8 (*setstate)(struct qed_dev *cdev, u8 state);
 233         void (*getpgtccfgtx)(struct qed_dev *cdev, int prio, u8 *prio_type,
 234                              u8 *pgid, u8 *bw_pct, u8 *up_map);
 235         void (*getpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
 236         void (*getpgtccfgrx)(struct qed_dev *cdev, int prio, u8 *prio_type,
 237                              u8 *pgid, u8 *bw_pct, u8 *up_map);
 238         void (*getpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
 239         void (*getpfccfg)(struct qed_dev *cdev, int prio, u8 *setting);
 240         void (*setpfccfg)(struct qed_dev *cdev, int prio, u8 setting);
 241         u8 (*getcap)(struct qed_dev *cdev, int capid, u8 *cap);
 242         int (*getnumtcs)(struct qed_dev *cdev, int tcid, u8 *num);
 243         u8 (*getpfcstate)(struct qed_dev *cdev);
 244         int (*getapp)(struct qed_dev *cdev, u8 idtype, u16 id);
 245         u8 (*getfeatcfg)(struct qed_dev *cdev, int featid, u8 *flags);
 246
 247         /* DCBX configuration */
 248         u8 (*getdcbx)(struct qed_dev *cdev);
 249         void (*setpgtccfgtx)(struct qed_dev *cdev, int prio,
 250                              u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
 251         void (*setpgtccfgrx)(struct qed_dev *cdev, int prio,
 252                              u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
 253         void (*setpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
 254         void (*setpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
 255         u8 (*setall)(struct qed_dev *cdev);
 256         int (*setnumtcs)(struct qed_dev *cdev, int tcid, u8 num);
 257         void (*setpfcstate)(struct qed_dev *cdev, u8 state);
 258         int (*setapp)(struct qed_dev *cdev, u8 idtype, u16 idval, u8 up);
 259         u8 (*setdcbx)(struct qed_dev *cdev, u8 state);
 260         u8 (*setfeatcfg)(struct qed_dev *cdev, int featid, u8 flags);
 261
 262         /* Peer apps */
 263         int (*peer_getappinfo)(struct qed_dev *cdev,
 264                                struct dcb_peer_app_info *info,
 265                                u16 *app_count);
 266         int (*peer_getapptable)(struct qed_dev *cdev, struct dcb_app *table);
 267
 268         /* CEE peer */
 269         int (*cee_peer_getpfc)(struct qed_dev *cdev, struct cee_pfc *pfc);
 270         int (*cee_peer_getpg)(struct qed_dev *cdev, struct cee_pg *pg);
 271 };
 272 #endif
 273
 274 struct qed_eth_ptp_ops {
 275         int (*cfg_filters)(struct qed_dev *, enum qed_ptp_filter_type,
 276                            enum qed_ptp_hwtstamp_tx_type);
 277         int (*read_rx_ts)(struct qed_dev *, u64 *);
 278         int (*read_tx_ts)(struct qed_dev *, u64 *);
 279         int (*read_cc)(struct qed_dev *, u64 *);
 280         int (*disable)(struct qed_dev *);
 281         int (*adjfreq)(struct qed_dev *, s32);
 282         int (*enable)(struct qed_dev *);
 283 };
 284
 285 struct qed_eth_ops {
 286         const struct qed_common_ops *common;
 287 #ifdef CONFIG_QED_SRIOV
 288         const struct qed_iov_hv_ops *iov;
 289 #endif
 290 #ifdef CONFIG_DCB
 291         const struct qed_eth_dcbnl_ops *dcb;
 292 #endif
 293         const struct qed_eth_ptp_ops *ptp;
 294
 295         int (*fill_dev_info)(struct qed_dev *cdev,
 296                              struct qed_dev_eth_info *info);
 297
 298         void (*register_ops)(struct qed_dev *cdev,
 299                              struct qed_eth_cb_ops *ops,
 300                              void *cookie);
 301
 302          bool(*check_mac) (struct qed_dev *cdev, u8 *mac);
 303
 304         int (*vport_start)(struct qed_dev *cdev,
 305                            struct qed_start_vport_params *params);
 306
 307         int (*vport_stop)(struct qed_dev *cdev,
 308                           u8 vport_id);
 309
 310         int (*vport_update)(struct qed_dev *cdev,
 311                             struct qed_update_vport_params *params);
 312
 313         int (*q_rx_start)(struct qed_dev *cdev,
 314                           u8 rss_num,
 315                           struct qed_queue_start_common_params *params,
 316                           u16 bd_max_bytes,
 317                           dma_addr_t bd_chain_phys_addr,
 318                           dma_addr_t cqe_pbl_addr,
 319                           u16 cqe_pbl_size,
 320                           struct qed_rxq_start_ret_params *ret_params);
 321
 322         int (*q_rx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
 323
 324         int (*q_tx_start)(struct qed_dev *cdev,
 325                           u8 rss_num,
 326                           struct qed_queue_start_common_params *params,
 327                           dma_addr_t pbl_addr,
 328                           u16 pbl_size,
 329                           struct qed_txq_start_ret_params *ret_params);
 330
 331         int (*q_tx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
 332
 333         int (*filter_config)(struct qed_dev *cdev,
 334                              struct qed_filter_params *params);
 335
 336         int (*fastpath_stop)(struct qed_dev *cdev);
 337
 338         int (*eth_cqe_completion)(struct qed_dev *cdev,
 339                                   u8 rss_id,
 340                                   struct eth_slow_path_rx_cqe *cqe);
 341
 342         void (*get_vport_stats)(struct qed_dev *cdev,
 343                                 struct qed_eth_stats *stats);
 344
 345         int (*tunn_config)(struct qed_dev *cdev,
 346                            struct qed_tunn_params *params);
 347
 348         int (*ntuple_filter_config)(struct qed_dev *cdev,
 349                                     void *cookie,
 350                                     struct qed_ntuple_filter_params *params);
 351
 352         int (*configure_arfs_searcher)(struct qed_dev *cdev,
 353                                        enum qed_filter_config_mode mode);
 354         int (*get_coalesce)(struct qed_dev *cdev, u16 *coal, void *handle);
 355 };
 356
 357 const struct qed_eth_ops *qed_get_eth_ops(void);
 358 void qed_put_eth_ops(void);
 359
 360 #endif