include/linux/qed/tcp_common.h

   1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
   2 /* QLogic qed NIC Driver
   3  * Copyright (c) 2015-2017  QLogic Corporation
   4  * Copyright (c) 2019-2020 Marvell International Ltd.
   5  */
   6
   7 #ifndef __TCP_COMMON__
   8 #define __TCP_COMMON__
   9
  10 /********************/
  11 /* TCP FW CONSTANTS */
  12 /********************/
  13
  14 #define TCP_INVALID_TIMEOUT_VAL -1
  15
  16 /* OOO opaque data received from LL2 */
  17 struct ooo_opaque {
  18         __le32 cid;
  19         u8 drop_isle;
  20         u8 drop_size;
  21         u8 ooo_opcode;
  22         u8 ooo_isle;
  23 };
  24
  25 /* tcp connect mode enum */
  26 enum tcp_connect_mode {
  27         TCP_CONNECT_ACTIVE,
  28         TCP_CONNECT_PASSIVE,
  29         MAX_TCP_CONNECT_MODE
  30 };
  31
  32 /* tcp function init parameters */
  33 struct tcp_init_params {
  34         __le32 two_msl_timer;
  35         __le16 tx_sws_timer;
  36         u8 max_fin_rt;
  37         u8 reserved[9];
  38 };
  39
  40 /* tcp IPv4/IPv6 enum */
  41 enum tcp_ip_version {
  42         TCP_IPV4,
  43         TCP_IPV6,
  44         MAX_TCP_IP_VERSION
  45 };
  46
  47 /* tcp offload parameters */
  48 struct tcp_offload_params {
  49         __le16 local_mac_addr_lo;
  50         __le16 local_mac_addr_mid;
  51         __le16 local_mac_addr_hi;
  52         __le16 remote_mac_addr_lo;
  53         __le16 remote_mac_addr_mid;
  54         __le16 remote_mac_addr_hi;
  55         __le16 vlan_id;
  56         __le16 flags;
  57 #define TCP_OFFLOAD_PARAMS_TS_EN_MASK                   0x1
  58 #define TCP_OFFLOAD_PARAMS_TS_EN_SHIFT                  0
  59 #define TCP_OFFLOAD_PARAMS_DA_EN_MASK                   0x1
  60 #define TCP_OFFLOAD_PARAMS_DA_EN_SHIFT                  1
  61 #define TCP_OFFLOAD_PARAMS_KA_EN_MASK                   0x1
  62 #define TCP_OFFLOAD_PARAMS_KA_EN_SHIFT                  2
  63 #define TCP_OFFLOAD_PARAMS_ECN_SENDER_EN_MASK           0x1
  64 #define TCP_OFFLOAD_PARAMS_ECN_SENDER_EN_SHIFT          3
  65 #define TCP_OFFLOAD_PARAMS_ECN_RECEIVER_EN_MASK         0x1
  66 #define TCP_OFFLOAD_PARAMS_ECN_RECEIVER_EN_SHIFT        4
  67 #define TCP_OFFLOAD_PARAMS_NAGLE_EN_MASK                0x1
  68 #define TCP_OFFLOAD_PARAMS_NAGLE_EN_SHIFT               5
  69 #define TCP_OFFLOAD_PARAMS_DA_CNT_EN_MASK               0x1
  70 #define TCP_OFFLOAD_PARAMS_DA_CNT_EN_SHIFT              6
  71 #define TCP_OFFLOAD_PARAMS_FIN_SENT_MASK                0x1
  72 #define TCP_OFFLOAD_PARAMS_FIN_SENT_SHIFT               7
  73 #define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_MASK            0x1
  74 #define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_SHIFT           8
  75 #define TCP_OFFLOAD_PARAMS_RESERVED_MASK                0x7F
  76 #define TCP_OFFLOAD_PARAMS_RESERVED_SHIFT               9
  77         u8 ip_version;
  78         u8 reserved0[3];
  79         __le32 remote_ip[4];
  80         __le32 local_ip[4];
  81         __le32 flow_label;
  82         u8 ttl;
  83         u8 tos_or_tc;
  84         __le16 remote_port;
  85         __le16 local_port;
  86         __le16 mss;
  87         u8 rcv_wnd_scale;
  88         u8 connect_mode;
  89         __le16 srtt;
  90         __le32 ss_thresh;
  91         __le32 rcv_wnd;
  92         __le32 cwnd;
  93         u8 ka_max_probe_cnt;
  94         u8 dup_ack_theshold;
  95         __le16 reserved1;
  96         __le32 ka_timeout;
  97         __le32 ka_interval;
  98         __le32 max_rt_time;
  99         __le32 initial_rcv_wnd;
 100         __le32 rcv_next;
 101         __le32 snd_una;
 102         __le32 snd_next;
 103         __le32 snd_max;
 104         __le32 snd_wnd;
 105         __le32 snd_wl1;
 106         __le32 ts_recent;
 107         __le32 ts_recent_age;
 108         __le32 total_rt;
 109         __le32 ka_timeout_delta;
 110         __le32 rt_timeout_delta;
 111         u8 dup_ack_cnt;
 112         u8 snd_wnd_probe_cnt;
 113         u8 ka_probe_cnt;
 114         u8 rt_cnt;
 115         __le16 rtt_var;
 116         __le16 fw_internal;
 117         u8 snd_wnd_scale;
 118         u8 ack_frequency;
 119         __le16 da_timeout_value;
 120         __le32 reserved3;
 121 };
 122
 123 /* tcp offload parameters */
 124 struct tcp_offload_params_opt2 {
 125         __le16 local_mac_addr_lo;
 126         __le16 local_mac_addr_mid;
 127         __le16 local_mac_addr_hi;
 128         __le16 remote_mac_addr_lo;
 129         __le16 remote_mac_addr_mid;
 130         __le16 remote_mac_addr_hi;
 131         __le16 vlan_id;
 132         __le16 flags;
 133 #define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_MASK      0x1
 134 #define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_SHIFT     0
 135 #define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_MASK      0x1
 136 #define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_SHIFT     1
 137 #define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_MASK      0x1
 138 #define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_SHIFT     2
 139 #define TCP_OFFLOAD_PARAMS_OPT2_ECN_EN_MASK     0x1
 140 #define TCP_OFFLOAD_PARAMS_OPT2_ECN_EN_SHIFT    3
 141 #define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_MASK  0xFFF
 142 #define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_SHIFT 4
 143         u8 ip_version;
 144         u8 reserved1[3];
 145         __le32 remote_ip[4];
 146         __le32 local_ip[4];
 147         __le32 flow_label;
 148         u8 ttl;
 149         u8 tos_or_tc;
 150         __le16 remote_port;
 151         __le16 local_port;
 152         __le16 mss;
 153         u8 rcv_wnd_scale;
 154         u8 connect_mode;
 155         __le16 syn_ip_payload_length;
 156         __le32 syn_phy_addr_lo;
 157         __le32 syn_phy_addr_hi;
 158         __le32 cwnd;
 159         u8 ka_max_probe_cnt;
 160         u8 reserved2[3];
 161         __le32 ka_timeout;
 162         __le32 ka_interval;
 163         __le32 max_rt_time;
 164         __le32 reserved3[16];
 165 };
 166
 167 /* tcp IPv4/IPv6 enum */
 168 enum tcp_seg_placement_event {
 169         TCP_EVENT_ADD_PEN,
 170         TCP_EVENT_ADD_NEW_ISLE,
 171         TCP_EVENT_ADD_ISLE_RIGHT,
 172         TCP_EVENT_ADD_ISLE_LEFT,
 173         TCP_EVENT_JOIN,
 174         TCP_EVENT_DELETE_ISLES,
 175         TCP_EVENT_NOP,
 176         MAX_TCP_SEG_PLACEMENT_EVENT
 177 };
 178
 179 /* tcp init parameters */
 180 struct tcp_update_params {
 181         __le16 flags;
 182 #define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_MASK          0x1
 183 #define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_SHIFT         0
 184 #define TCP_UPDATE_PARAMS_MSS_CHANGED_MASK                      0x1
 185 #define TCP_UPDATE_PARAMS_MSS_CHANGED_SHIFT                     1
 186 #define TCP_UPDATE_PARAMS_TTL_CHANGED_MASK                      0x1
 187 #define TCP_UPDATE_PARAMS_TTL_CHANGED_SHIFT                     2
 188 #define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_MASK                0x1
 189 #define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_SHIFT               3
 190 #define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_MASK               0x1
 191 #define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_SHIFT              4
 192 #define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_MASK              0x1
 193 #define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_SHIFT             5
 194 #define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_MASK              0x1
 195 #define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_SHIFT             6
 196 #define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_MASK               0x1
 197 #define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_SHIFT              7
 198 #define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_MASK          0x1
 199 #define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_SHIFT         8
 200 #define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_MASK         0x1
 201 #define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_SHIFT        9
 202 #define TCP_UPDATE_PARAMS_KA_EN_CHANGED_MASK                    0x1
 203 #define TCP_UPDATE_PARAMS_KA_EN_CHANGED_SHIFT                   10
 204 #define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_MASK                 0x1
 205 #define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_SHIFT                11
 206 #define TCP_UPDATE_PARAMS_KA_EN_MASK                            0x1
 207 #define TCP_UPDATE_PARAMS_KA_EN_SHIFT                           12
 208 #define TCP_UPDATE_PARAMS_NAGLE_EN_MASK                         0x1
 209 #define TCP_UPDATE_PARAMS_NAGLE_EN_SHIFT                        13
 210 #define TCP_UPDATE_PARAMS_KA_RESTART_MASK                       0x1
 211 #define TCP_UPDATE_PARAMS_KA_RESTART_SHIFT                      14
 212 #define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_MASK               0x1
 213 #define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_SHIFT              15
 214         __le16 remote_mac_addr_lo;
 215         __le16 remote_mac_addr_mid;
 216         __le16 remote_mac_addr_hi;
 217         __le16 mss;
 218         u8 ttl;
 219         u8 tos_or_tc;
 220         __le32 ka_timeout;
 221         __le32 ka_interval;
 222         __le32 max_rt_time;
 223         __le32 flow_label;
 224         __le32 initial_rcv_wnd;
 225         u8 ka_max_probe_cnt;
 226         u8 reserved1[7];
 227 };
 228
 229 /* toe upload parameters */
 230 struct tcp_upload_params {
 231         __le32 rcv_next;
 232         __le32 snd_una;
 233         __le32 snd_next;
 234         __le32 snd_max;
 235         __le32 snd_wnd;
 236         __le32 rcv_wnd;
 237         __le32 snd_wl1;
 238         __le32 cwnd;
 239         __le32 ss_thresh;
 240         __le16 srtt;
 241         __le16 rtt_var;
 242         __le32 ts_time;
 243         __le32 ts_recent;
 244         __le32 ts_recent_age;
 245         __le32 total_rt;
 246         __le32 ka_timeout_delta;
 247         __le32 rt_timeout_delta;
 248         u8 dup_ack_cnt;
 249         u8 snd_wnd_probe_cnt;
 250         u8 ka_probe_cnt;
 251         u8 rt_cnt;
 252         __le32 reserved;
 253 };
 254
 255 #endif /* __TCP_COMMON__ */