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__ */
256
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