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9#ifndef __TCP_COMMON__
10#define __TCP_COMMON__
11
12#define TCP_INVALID_TIMEOUT_VAL -1
13
14struct ooo_opaque {
15 __le32 cid;
16 u8 drop_isle;
17 u8 drop_size;
18 u8 ooo_opcode;
19 u8 ooo_isle;
20};
21
22enum tcp_connect_mode {
23 TCP_CONNECT_ACTIVE,
24 TCP_CONNECT_PASSIVE,
25 MAX_TCP_CONNECT_MODE
26};
27
28struct tcp_init_params {
29 __le32 two_msl_timer;
30 __le16 tx_sws_timer;
31 u8 maxfinrt;
32 u8 reserved[9];
33};
34
35enum tcp_ip_version {
36 TCP_IPV4,
37 TCP_IPV6,
38 MAX_TCP_IP_VERSION
39};
40
41struct tcp_offload_params {
42 __le16 local_mac_addr_lo;
43 __le16 local_mac_addr_mid;
44 __le16 local_mac_addr_hi;
45 __le16 remote_mac_addr_lo;
46 __le16 remote_mac_addr_mid;
47 __le16 remote_mac_addr_hi;
48 __le16 vlan_id;
49 u8 flags;
50#define TCP_OFFLOAD_PARAMS_TS_EN_MASK 0x1
51#define TCP_OFFLOAD_PARAMS_TS_EN_SHIFT 0
52#define TCP_OFFLOAD_PARAMS_DA_EN_MASK 0x1
53#define TCP_OFFLOAD_PARAMS_DA_EN_SHIFT 1
54#define TCP_OFFLOAD_PARAMS_KA_EN_MASK 0x1
55#define TCP_OFFLOAD_PARAMS_KA_EN_SHIFT 2
56#define TCP_OFFLOAD_PARAMS_NAGLE_EN_MASK 0x1
57#define TCP_OFFLOAD_PARAMS_NAGLE_EN_SHIFT 3
58#define TCP_OFFLOAD_PARAMS_DA_CNT_EN_MASK 0x1
59#define TCP_OFFLOAD_PARAMS_DA_CNT_EN_SHIFT 4
60#define TCP_OFFLOAD_PARAMS_FIN_SENT_MASK 0x1
61#define TCP_OFFLOAD_PARAMS_FIN_SENT_SHIFT 5
62#define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_MASK 0x1
63#define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_SHIFT 6
64#define TCP_OFFLOAD_PARAMS_RESERVED0_MASK 0x1
65#define TCP_OFFLOAD_PARAMS_RESERVED0_SHIFT 7
66 u8 ip_version;
67 __le32 remote_ip[4];
68 __le32 local_ip[4];
69 __le32 flow_label;
70 u8 ttl;
71 u8 tos_or_tc;
72 __le16 remote_port;
73 __le16 local_port;
74 __le16 mss;
75 u8 rcv_wnd_scale;
76 u8 connect_mode;
77 __le16 srtt;
78 __le32 cwnd;
79 __le32 ss_thresh;
80 __le16 reserved1;
81 u8 ka_max_probe_cnt;
82 u8 dup_ack_theshold;
83 __le32 rcv_next;
84 __le32 snd_una;
85 __le32 snd_next;
86 __le32 snd_max;
87 __le32 snd_wnd;
88 __le32 rcv_wnd;
89 __le32 snd_wl1;
90 __le32 ts_time;
91 __le32 ts_recent;
92 __le32 ts_recent_age;
93 __le32 total_rt;
94 __le32 ka_timeout_delta;
95 __le32 rt_timeout_delta;
96 u8 dup_ack_cnt;
97 u8 snd_wnd_probe_cnt;
98 u8 ka_probe_cnt;
99 u8 rt_cnt;
100 __le16 rtt_var;
101 __le16 reserved2;
102 __le32 ka_timeout;
103 __le32 ka_interval;
104 __le32 max_rt_time;
105 __le32 initial_rcv_wnd;
106 u8 snd_wnd_scale;
107 u8 ack_frequency;
108 __le16 da_timeout_value;
109 __le32 ts_ticks_per_second;
110};
111
112struct tcp_offload_params_opt2 {
113 __le16 local_mac_addr_lo;
114 __le16 local_mac_addr_mid;
115 __le16 local_mac_addr_hi;
116 __le16 remote_mac_addr_lo;
117 __le16 remote_mac_addr_mid;
118 __le16 remote_mac_addr_hi;
119 __le16 vlan_id;
120 u8 flags;
121#define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_MASK 0x1
122#define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_SHIFT 0
123#define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_MASK 0x1
124#define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_SHIFT 1
125#define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_MASK 0x1
126#define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_SHIFT 2
127#define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_MASK 0x1F
128#define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_SHIFT 3
129 u8 ip_version;
130 __le32 remote_ip[4];
131 __le32 local_ip[4];
132 __le32 flow_label;
133 u8 ttl;
134 u8 tos_or_tc;
135 __le16 remote_port;
136 __le16 local_port;
137 __le16 mss;
138 u8 rcv_wnd_scale;
139 u8 connect_mode;
140 __le16 syn_ip_payload_length;
141 __le32 syn_phy_addr_lo;
142 __le32 syn_phy_addr_hi;
143 __le32 reserved1[22];
144};
145
146enum tcp_seg_placement_event {
147 TCP_EVENT_ADD_PEN,
148 TCP_EVENT_ADD_NEW_ISLE,
149 TCP_EVENT_ADD_ISLE_RIGHT,
150 TCP_EVENT_ADD_ISLE_LEFT,
151 TCP_EVENT_JOIN,
152 TCP_EVENT_NOP,
153 MAX_TCP_SEG_PLACEMENT_EVENT
154};
155
156struct tcp_update_params {
157 __le16 flags;
158#define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_MASK 0x1
159#define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_SHIFT 0
160#define TCP_UPDATE_PARAMS_MSS_CHANGED_MASK 0x1
161#define TCP_UPDATE_PARAMS_MSS_CHANGED_SHIFT 1
162#define TCP_UPDATE_PARAMS_TTL_CHANGED_MASK 0x1
163#define TCP_UPDATE_PARAMS_TTL_CHANGED_SHIFT 2
164#define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_MASK 0x1
165#define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_SHIFT 3
166#define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_MASK 0x1
167#define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_SHIFT 4
168#define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_MASK 0x1
169#define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_SHIFT 5
170#define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_MASK 0x1
171#define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_SHIFT 6
172#define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_MASK 0x1
173#define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_SHIFT 7
174#define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_MASK 0x1
175#define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_SHIFT 8
176#define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_MASK 0x1
177#define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_SHIFT 9
178#define TCP_UPDATE_PARAMS_KA_EN_CHANGED_MASK 0x1
179#define TCP_UPDATE_PARAMS_KA_EN_CHANGED_SHIFT 10
180#define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_MASK 0x1
181#define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_SHIFT 11
182#define TCP_UPDATE_PARAMS_KA_EN_MASK 0x1
183#define TCP_UPDATE_PARAMS_KA_EN_SHIFT 12
184#define TCP_UPDATE_PARAMS_NAGLE_EN_MASK 0x1
185#define TCP_UPDATE_PARAMS_NAGLE_EN_SHIFT 13
186#define TCP_UPDATE_PARAMS_KA_RESTART_MASK 0x1
187#define TCP_UPDATE_PARAMS_KA_RESTART_SHIFT 14
188#define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_MASK 0x1
189#define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_SHIFT 15
190 __le16 remote_mac_addr_lo;
191 __le16 remote_mac_addr_mid;
192 __le16 remote_mac_addr_hi;
193 __le16 mss;
194 u8 ttl;
195 u8 tos_or_tc;
196 __le32 ka_timeout;
197 __le32 ka_interval;
198 __le32 max_rt_time;
199 __le32 flow_label;
200 __le32 initial_rcv_wnd;
201 u8 ka_max_probe_cnt;
202 u8 reserved1[7];
203};
204
205struct tcp_upload_params {
206 __le32 rcv_next;
207 __le32 snd_una;
208 __le32 snd_next;
209 __le32 snd_max;
210 __le32 snd_wnd;
211 __le32 rcv_wnd;
212 __le32 snd_wl1;
213 __le32 cwnd;
214 __le32 ss_thresh;
215 __le16 srtt;
216 __le16 rtt_var;
217 __le32 ts_time;
218 __le32 ts_recent;
219 __le32 ts_recent_age;
220 __le32 total_rt;
221 __le32 ka_timeout_delta;
222 __le32 rt_timeout_delta;
223 u8 dup_ack_cnt;
224 u8 snd_wnd_probe_cnt;
225 u8 ka_probe_cnt;
226 u8 rt_cnt;
227 __le32 reserved;
228};
229
230#endif
231
