include/linux/qed/tcp_common.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 __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 */
  43 struct 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 */
  52 enum tcp_connect_mode {
  53         TCP_CONNECT_ACTIVE,
  54         TCP_CONNECT_PASSIVE,
  55         MAX_TCP_CONNECT_MODE
  56 };
  57
  58 /* tcp function init parameters */
  59 struct 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 */
  67 enum tcp_ip_version {
  68         TCP_IPV4,
  69         TCP_IPV6,
  70         MAX_TCP_IP_VERSION
  71 };
  72
  73 /* tcp offload parameters */
  74 struct 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 */
 150 struct 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 */
 194 enum 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 */
 206 struct 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 */
 256 struct 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__ */