LXR linux/include/linux/qed/tcp

   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 __TCP_COMMON__
  34#define __TCP_COMMON__
  35
  36/********************/
  37/* TCP FW CONSTANTS */
  38/********************/
  39
  40#define TCP_INVALID_TIMEOUT_VAL -1
  41
  42/* OOO opaque data received from LL2 */
  43struct ooo_opaque {
  44        __le32 cid;
  45        u8 drop_isle;
  46        u8 drop_size;
  47        u8 ooo_opcode;
  48        u8 ooo_isle;
  49};
  50
  51/* tcp connect mode enum */
  52enum tcp_connect_mode {
  53        TCP_CONNECT_ACTIVE,
  54        TCP_CONNECT_PASSIVE,
  55        MAX_TCP_CONNECT_MODE
  56};
  57
  58/* tcp function init parameters */
  59struct tcp_init_params {
  60        __le32 two_msl_timer;
  61        __le16 tx_sws_timer;
  62        u8 max_fin_rt;
  63        u8 reserved[9];
  64};
  65
  66/* tcp IPv4/IPv6 enum */
  67enum tcp_ip_version {
  68        TCP_IPV4,
  69        TCP_IPV6,
  70        MAX_TCP_IP_VERSION
  71};
  72
  73/* tcp offload parameters */
  74struct tcp_offload_params {
  75        __le16 local_mac_addr_lo;
  76        __le16 local_mac_addr_mid;
  77        __le16 local_mac_addr_hi;
  78        __le16 remote_mac_addr_lo;
  79        __le16 remote_mac_addr_mid;
  80        __le16 remote_mac_addr_hi;
  81        __le16 vlan_id;
  82        __le16 flags;
  83#define TCP_OFFLOAD_PARAMS_TS_EN_MASK                   0x1
  84#define TCP_OFFLOAD_PARAMS_TS_EN_SHIFT                  0
  85#define TCP_OFFLOAD_PARAMS_DA_EN_MASK                   0x1
  86#define TCP_OFFLOAD_PARAMS_DA_EN_SHIFT                  1
  87#define TCP_OFFLOAD_PARAMS_KA_EN_MASK                   0x1
  88#define TCP_OFFLOAD_PARAMS_KA_EN_SHIFT                  2
  89#define TCP_OFFLOAD_PARAMS_ECN_SENDER_EN_MASK           0x1
  90#define TCP_OFFLOAD_PARAMS_ECN_SENDER_EN_SHIFT          3
  91#define TCP_OFFLOAD_PARAMS_ECN_RECEIVER_EN_MASK         0x1
  92#define TCP_OFFLOAD_PARAMS_ECN_RECEIVER_EN_SHIFT        4
  93#define TCP_OFFLOAD_PARAMS_NAGLE_EN_MASK                0x1
  94#define TCP_OFFLOAD_PARAMS_NAGLE_EN_SHIFT               5
  95#define TCP_OFFLOAD_PARAMS_DA_CNT_EN_MASK               0x1
  96#define TCP_OFFLOAD_PARAMS_DA_CNT_EN_SHIFT              6
  97#define TCP_OFFLOAD_PARAMS_FIN_SENT_MASK                0x1
  98#define TCP_OFFLOAD_PARAMS_FIN_SENT_SHIFT               7
  99#define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_MASK            0x1
 100#define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_SHIFT           8
 101#define TCP_OFFLOAD_PARAMS_RESERVED_MASK                0x7F
 102#define TCP_OFFLOAD_PARAMS_RESERVED_SHIFT               9
 103        u8 ip_version;
 104        u8 reserved0[3];
 105        __le32 remote_ip[4];
 106        __le32 local_ip[4];
 107        __le32 flow_label;
 108        u8 ttl;
 109        u8 tos_or_tc;
 110        __le16 remote_port;
 111        __le16 local_port;
 112        __le16 mss;
 113        u8 rcv_wnd_scale;
 114        u8 connect_mode;
 115        __le16 srtt;
 116        __le32 ss_thresh;
 117        __le32 rcv_wnd;
 118        __le32 cwnd;
 119        u8 ka_max_probe_cnt;
 120        u8 dup_ack_theshold;
 121        __le16 reserved1;
 122        __le32 ka_timeout;
 123        __le32 ka_interval;
 124        __le32 max_rt_time;
 125        __le32 initial_rcv_wnd;
 126        __le32 rcv_next;
 127        __le32 snd_una;
 128        __le32 snd_next;
 129        __le32 snd_max;
 130        __le32 snd_wnd;
 131        __le32 snd_wl1;
 132        __le32 ts_recent;
 133        __le32 ts_recent_age;
 134        __le32 total_rt;
 135        __le32 ka_timeout_delta;
 136        __le32 rt_timeout_delta;
 137        u8 dup_ack_cnt;
 138        u8 snd_wnd_probe_cnt;
 139        u8 ka_probe_cnt;
 140        u8 rt_cnt;
 141        __le16 rtt_var;
 142        __le16 fw_internal;
 143        u8 snd_wnd_scale;
 144        u8 ack_frequency;
 145        __le16 da_timeout_value;
 146        __le32 reserved3;
 147};
 148
 149/* tcp offload parameters */
 150struct tcp_offload_params_opt2 {
 151        __le16 local_mac_addr_lo;
 152        __le16 local_mac_addr_mid;
 153        __le16 local_mac_addr_hi;
 154        __le16 remote_mac_addr_lo;
 155        __le16 remote_mac_addr_mid;
 156        __le16 remote_mac_addr_hi;
 157        __le16 vlan_id;
 158        __le16 flags;
 159#define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_MASK      0x1
 160#define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_SHIFT     0
 161#define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_MASK      0x1
 162#define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_SHIFT     1
 163#define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_MASK      0x1
 164#define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_SHIFT     2
 165#define TCP_OFFLOAD_PARAMS_OPT2_ECN_EN_MASK     0x1
 166#define TCP_OFFLOAD_PARAMS_OPT2_ECN_EN_SHIFT    3
 167#define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_MASK  0xFFF
 168#define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_SHIFT 4
 169        u8 ip_version;
 170        u8 reserved1[3];
 171        __le32 remote_ip[4];
 172        __le32 local_ip[4];
 173        __le32 flow_label;
 174        u8 ttl;
 175        u8 tos_or_tc;
 176        __le16 remote_port;
 177        __le16 local_port;
 178        __le16 mss;
 179        u8 rcv_wnd_scale;
 180        u8 connect_mode;
 181        __le16 syn_ip_payload_length;
 182        __le32 syn_phy_addr_lo;
 183        __le32 syn_phy_addr_hi;
 184        __le32 cwnd;
 185        u8 ka_max_probe_cnt;
 186        u8 reserved2[3];
 187        __le32 ka_timeout;
 188        __le32 ka_interval;
 189        __le32 max_rt_time;
 190        __le32 reserved3[16];
 191};
 192
 193/* tcp IPv4/IPv6 enum */
 194enum tcp_seg_placement_event {
 195        TCP_EVENT_ADD_PEN,
 196        TCP_EVENT_ADD_NEW_ISLE,
 197        TCP_EVENT_ADD_ISLE_RIGHT,
 198        TCP_EVENT_ADD_ISLE_LEFT,
 199        TCP_EVENT_JOIN,
 200        TCP_EVENT_DELETE_ISLES,
 201        TCP_EVENT_NOP,
 202        MAX_TCP_SEG_PLACEMENT_EVENT
 203};
 204
 205/* tcp init parameters */
 206struct tcp_update_params {
 207        __le16 flags;
 208#define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_MASK          0x1
 209#define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_SHIFT         0
 210#define TCP_UPDATE_PARAMS_MSS_CHANGED_MASK                      0x1
 211#define TCP_UPDATE_PARAMS_MSS_CHANGED_SHIFT                     1
 212#define TCP_UPDATE_PARAMS_TTL_CHANGED_MASK                      0x1
 213#define TCP_UPDATE_PARAMS_TTL_CHANGED_SHIFT                     2
 214#define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_MASK                0x1
 215#define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_SHIFT               3
 216#define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_MASK               0x1
 217#define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_SHIFT              4
 218#define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_MASK              0x1
 219#define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_SHIFT             5
 220#define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_MASK              0x1
 221#define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_SHIFT             6
 222#define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_MASK               0x1
 223#define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_SHIFT              7
 224#define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_MASK          0x1
 225#define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_SHIFT         8
 226#define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_MASK         0x1
 227#define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_SHIFT        9
 228#define TCP_UPDATE_PARAMS_KA_EN_CHANGED_MASK                    0x1
 229#define TCP_UPDATE_PARAMS_KA_EN_CHANGED_SHIFT                   10
 230#define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_MASK                 0x1
 231#define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_SHIFT                11
 232#define TCP_UPDATE_PARAMS_KA_EN_MASK                            0x1
 233#define TCP_UPDATE_PARAMS_KA_EN_SHIFT                           12
 234#define TCP_UPDATE_PARAMS_NAGLE_EN_MASK                         0x1
 235#define TCP_UPDATE_PARAMS_NAGLE_EN_SHIFT                        13
 236#define TCP_UPDATE_PARAMS_KA_RESTART_MASK                       0x1
 237#define TCP_UPDATE_PARAMS_KA_RESTART_SHIFT                      14
 238#define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_MASK               0x1
 239#define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_SHIFT              15
 240        __le16 remote_mac_addr_lo;
 241        __le16 remote_mac_addr_mid;
 242        __le16 remote_mac_addr_hi;
 243        __le16 mss;
 244        u8 ttl;
 245        u8 tos_or_tc;
 246        __le32 ka_timeout;
 247        __le32 ka_interval;
 248        __le32 max_rt_time;
 249        __le32 flow_label;
 250        __le32 initial_rcv_wnd;
 251        u8 ka_max_probe_cnt;
 252        u8 reserved1[7];
 253};
 254
 255/* toe upload parameters */
 256struct tcp_upload_params {
 257        __le32 rcv_next;
 258        __le32 snd_una;
 259        __le32 snd_next;
 260        __le32 snd_max;
 261        __le32 snd_wnd;
 262        __le32 rcv_wnd;
 263        __le32 snd_wl1;
 264        __le32 cwnd;
 265        __le32 ss_thresh;
 266        __le16 srtt;
 267        __le16 rtt_var;
 268        __le32 ts_time;
 269        __le32 ts_recent;
 270        __le32 ts_recent_age;
 271        __le32 total_rt;
 272        __le32 ka_timeout_delta;
 273        __le32 rt_timeout_delta;
 274        u8 dup_ack_cnt;
 275        u8 snd_wnd_probe_cnt;
 276        u8 ka_probe_cnt;
 277        u8 rt_cnt;
 278        __le32 reserved;
 279};
 280
 281#endif /* __TCP_COMMON__ */
 282