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 struct qed_dev_eth_info {
  65         struct qed_dev_info common;
  66
  67         u8      num_queues;
  68         u8      num_tc;
  69
  70         u8      port_mac[ETH_ALEN];
  71         u16     num_vlan_filters;
  72         u16     num_mac_filters;
  73
  74         /* Legacy VF - this affects the datapath, so qede has to know */
  75         bool is_legacy;
  76
  77         /* Might depend on available resources [in case of VF] */
  78         bool xdp_supported;
  79 };
  80
  81 struct qed_update_vport_rss_params {
  82         void    *rss_ind_table[128];
  83         u32     rss_key[10];
  84         u8      rss_caps;
  85 };
  86
  87 struct qed_update_vport_params {
  88         u8 vport_id;
  89         u8 update_vport_active_flg;
  90         u8 vport_active_flg;
  91         u8 update_tx_switching_flg;
  92         u8 tx_switching_flg;
  93         u8 update_accept_any_vlan_flg;
  94         u8 accept_any_vlan;
  95         u8 update_rss_flg;
  96         struct qed_update_vport_rss_params rss_params;
  97 };
  98
  99 struct qed_start_vport_params {
 100         bool remove_inner_vlan;
 101         bool handle_ptp_pkts;
 102         bool gro_enable;
 103         bool drop_ttl0;
 104         u8 vport_id;
 105         u16 mtu;
 106         bool clear_stats;
 107 };
 108
 109 enum qed_filter_rx_mode_type {
 110         QED_FILTER_RX_MODE_TYPE_REGULAR,
 111         QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC,
 112         QED_FILTER_RX_MODE_TYPE_PROMISC,
 113 };
 114
 115 enum qed_filter_xcast_params_type {
 116         QED_FILTER_XCAST_TYPE_ADD,
 117         QED_FILTER_XCAST_TYPE_DEL,
 118         QED_FILTER_XCAST_TYPE_REPLACE,
 119 };
 120
 121 struct qed_filter_ucast_params {
 122         enum qed_filter_xcast_params_type type;
 123         u8 vlan_valid;
 124         u16 vlan;
 125         u8 mac_valid;
 126         unsigned char mac[ETH_ALEN];
 127 };
 128
 129 struct qed_filter_mcast_params {
 130         enum qed_filter_xcast_params_type type;
 131         u8 num;
 132         unsigned char mac[64][ETH_ALEN];
 133 };
 134
 135 union qed_filter_type_params {
 136         enum qed_filter_rx_mode_type accept_flags;
 137         struct qed_filter_ucast_params ucast;
 138         struct qed_filter_mcast_params mcast;
 139 };
 140
 141 enum qed_filter_type {
 142         QED_FILTER_TYPE_UCAST,
 143         QED_FILTER_TYPE_MCAST,
 144         QED_FILTER_TYPE_RX_MODE,
 145         QED_MAX_FILTER_TYPES,
 146 };
 147
 148 struct qed_filter_params {
 149         enum qed_filter_type type;
 150         union qed_filter_type_params filter;
 151 };
 152
 153 struct qed_tunn_params {
 154         u16 vxlan_port;
 155         u8 update_vxlan_port;
 156         u16 geneve_port;
 157         u8 update_geneve_port;
 158 };
 159
 160 struct qed_eth_cb_ops {
 161         struct qed_common_cb_ops common;
 162         void (*force_mac) (void *dev, u8 *mac, bool forced);
 163         void (*ports_update)(void *dev, u16 vxlan_port, u16 geneve_port);
 164 };
 165
 166 #define QED_MAX_PHC_DRIFT_PPB   291666666
 167
 168 enum qed_ptp_filter_type {
 169         QED_PTP_FILTER_NONE,
 170         QED_PTP_FILTER_ALL,
 171         QED_PTP_FILTER_V1_L4_EVENT,
 172         QED_PTP_FILTER_V1_L4_GEN,
 173         QED_PTP_FILTER_V2_L4_EVENT,
 174         QED_PTP_FILTER_V2_L4_GEN,
 175         QED_PTP_FILTER_V2_L2_EVENT,
 176         QED_PTP_FILTER_V2_L2_GEN,
 177         QED_PTP_FILTER_V2_EVENT,
 178         QED_PTP_FILTER_V2_GEN
 179 };
 180
 181 enum qed_ptp_hwtstamp_tx_type {
 182         QED_PTP_HWTSTAMP_TX_OFF,
 183         QED_PTP_HWTSTAMP_TX_ON,
 184 };
 185
 186 #ifdef CONFIG_DCB
 187 /* Prototype declaration of qed_eth_dcbnl_ops should match with the declaration
 188  * of dcbnl_rtnl_ops structure.
 189  */
 190 struct qed_eth_dcbnl_ops {
 191         /* IEEE 802.1Qaz std */
 192         int (*ieee_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
 193         int (*ieee_setpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
 194         int (*ieee_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
 195         int (*ieee_setets)(struct qed_dev *cdev, struct ieee_ets *ets);
 196         int (*ieee_peer_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
 197         int (*ieee_peer_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
 198         int (*ieee_getapp)(struct qed_dev *cdev, struct dcb_app *app);
 199         int (*ieee_setapp)(struct qed_dev *cdev, struct dcb_app *app);
 200
 201         /* CEE std */
 202         u8 (*getstate)(struct qed_dev *cdev);
 203         u8 (*setstate)(struct qed_dev *cdev, u8 state);
 204         void (*getpgtccfgtx)(struct qed_dev *cdev, int prio, u8 *prio_type,
 205                              u8 *pgid, u8 *bw_pct, u8 *up_map);
 206         void (*getpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
 207         void (*getpgtccfgrx)(struct qed_dev *cdev, int prio, u8 *prio_type,
 208                              u8 *pgid, u8 *bw_pct, u8 *up_map);
 209         void (*getpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
 210         void (*getpfccfg)(struct qed_dev *cdev, int prio, u8 *setting);
 211         void (*setpfccfg)(struct qed_dev *cdev, int prio, u8 setting);
 212         u8 (*getcap)(struct qed_dev *cdev, int capid, u8 *cap);
 213         int (*getnumtcs)(struct qed_dev *cdev, int tcid, u8 *num);
 214         u8 (*getpfcstate)(struct qed_dev *cdev);
 215         int (*getapp)(struct qed_dev *cdev, u8 idtype, u16 id);
 216         u8 (*getfeatcfg)(struct qed_dev *cdev, int featid, u8 *flags);
 217
 218         /* DCBX configuration */
 219         u8 (*getdcbx)(struct qed_dev *cdev);
 220         void (*setpgtccfgtx)(struct qed_dev *cdev, int prio,
 221                              u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
 222         void (*setpgtccfgrx)(struct qed_dev *cdev, int prio,
 223                              u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
 224         void (*setpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
 225         void (*setpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
 226         u8 (*setall)(struct qed_dev *cdev);
 227         int (*setnumtcs)(struct qed_dev *cdev, int tcid, u8 num);
 228         void (*setpfcstate)(struct qed_dev *cdev, u8 state);
 229         int (*setapp)(struct qed_dev *cdev, u8 idtype, u16 idval, u8 up);
 230         u8 (*setdcbx)(struct qed_dev *cdev, u8 state);
 231         u8 (*setfeatcfg)(struct qed_dev *cdev, int featid, u8 flags);
 232
 233         /* Peer apps */
 234         int (*peer_getappinfo)(struct qed_dev *cdev,
 235                                struct dcb_peer_app_info *info,
 236                                u16 *app_count);
 237         int (*peer_getapptable)(struct qed_dev *cdev, struct dcb_app *table);
 238
 239         /* CEE peer */
 240         int (*cee_peer_getpfc)(struct qed_dev *cdev, struct cee_pfc *pfc);
 241         int (*cee_peer_getpg)(struct qed_dev *cdev, struct cee_pg *pg);
 242 };
 243 #endif
 244
 245 struct qed_eth_ptp_ops {
 246         int (*cfg_filters)(struct qed_dev *, enum qed_ptp_filter_type,
 247                            enum qed_ptp_hwtstamp_tx_type);
 248         int (*read_rx_ts)(struct qed_dev *, u64 *);
 249         int (*read_tx_ts)(struct qed_dev *, u64 *);
 250         int (*read_cc)(struct qed_dev *, u64 *);
 251         int (*disable)(struct qed_dev *);
 252         int (*adjfreq)(struct qed_dev *, s32);
 253         int (*enable)(struct qed_dev *);
 254 };
 255
 256 struct qed_eth_ops {
 257         const struct qed_common_ops *common;
 258 #ifdef CONFIG_QED_SRIOV
 259         const struct qed_iov_hv_ops *iov;
 260 #endif
 261 #ifdef CONFIG_DCB
 262         const struct qed_eth_dcbnl_ops *dcb;
 263 #endif
 264         const struct qed_eth_ptp_ops *ptp;
 265
 266         int (*fill_dev_info)(struct qed_dev *cdev,
 267                              struct qed_dev_eth_info *info);
 268
 269         void (*register_ops)(struct qed_dev *cdev,
 270                              struct qed_eth_cb_ops *ops,
 271                              void *cookie);
 272
 273          bool(*check_mac) (struct qed_dev *cdev, u8 *mac);
 274
 275         int (*vport_start)(struct qed_dev *cdev,
 276                            struct qed_start_vport_params *params);
 277
 278         int (*vport_stop)(struct qed_dev *cdev,
 279                           u8 vport_id);
 280
 281         int (*vport_update)(struct qed_dev *cdev,
 282                             struct qed_update_vport_params *params);
 283
 284         int (*q_rx_start)(struct qed_dev *cdev,
 285                           u8 rss_num,
 286                           struct qed_queue_start_common_params *params,
 287                           u16 bd_max_bytes,
 288                           dma_addr_t bd_chain_phys_addr,
 289                           dma_addr_t cqe_pbl_addr,
 290                           u16 cqe_pbl_size,
 291                           struct qed_rxq_start_ret_params *ret_params);
 292
 293         int (*q_rx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
 294
 295         int (*q_tx_start)(struct qed_dev *cdev,
 296                           u8 rss_num,
 297                           struct qed_queue_start_common_params *params,
 298                           dma_addr_t pbl_addr,
 299                           u16 pbl_size,
 300                           struct qed_txq_start_ret_params *ret_params);
 301
 302         int (*q_tx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
 303
 304         int (*filter_config)(struct qed_dev *cdev,
 305                              struct qed_filter_params *params);
 306
 307         int (*fastpath_stop)(struct qed_dev *cdev);
 308
 309         int (*eth_cqe_completion)(struct qed_dev *cdev,
 310                                   u8 rss_id,
 311                                   struct eth_slow_path_rx_cqe *cqe);
 312
 313         void (*get_vport_stats)(struct qed_dev *cdev,
 314                                 struct qed_eth_stats *stats);
 315
 316         int (*tunn_config)(struct qed_dev *cdev,
 317                            struct qed_tunn_params *params);
 318
 319         int (*ntuple_filter_config)(struct qed_dev *cdev, void *cookie,
 320                                     dma_addr_t mapping, u16 length,
 321                                     u16 vport_id, u16 rx_queue_id,
 322                                     bool add_filter);
 323
 324         int (*configure_arfs_searcher)(struct qed_dev *cdev,
 325                                        bool en_searcher);
 326         int (*get_coalesce)(struct qed_dev *cdev, u16 *coal, void *handle);
 327 };
 328
 329 const struct qed_eth_ops *qed_get_eth_ops(void);
 330 void qed_put_eth_ops(void);
 331
 332 #endif