This source file includes following definitions.
- sk_in_state
- chtls_rsk_destructor
- chtls_init_rsk_ops
- chtls_reqsk_free
- sk_wakeup_sleepers
- chtls_set_req_port
- chtls_set_req_addr
- chtls_free_skb
- chtls_kfree_skb
- chtls_reset_wr_list
- enqueue_wr
- dequeue_wr
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5
6 #ifndef __CHTLS_CM_H__
7 #define __CHTLS_CM_H__
8
9
10
11
12
13 #define TCB_ULP_TYPE_W 0
14 #define TCB_ULP_TYPE_S 0
15 #define TCB_ULP_TYPE_M 0xfULL
16 #define TCB_ULP_TYPE_V(x) ((x) << TCB_ULP_TYPE_S)
17
18
19 #define TCB_ULP_RAW_W 0
20 #define TCB_ULP_RAW_S 4
21 #define TCB_ULP_RAW_M 0xffULL
22 #define TCB_ULP_RAW_V(x) ((x) << TCB_ULP_RAW_S)
23
24 #define TF_TLS_KEY_SIZE_S 7
25 #define TF_TLS_KEY_SIZE_V(x) ((x) << TF_TLS_KEY_SIZE_S)
26
27 #define TF_TLS_CONTROL_S 2
28 #define TF_TLS_CONTROL_V(x) ((x) << TF_TLS_CONTROL_S)
29
30 #define TF_TLS_ACTIVE_S 1
31 #define TF_TLS_ACTIVE_V(x) ((x) << TF_TLS_ACTIVE_S)
32
33 #define TF_TLS_ENABLE_S 0
34 #define TF_TLS_ENABLE_V(x) ((x) << TF_TLS_ENABLE_S)
35
36 #define TF_RX_QUIESCE_S 15
37 #define TF_RX_QUIESCE_V(x) ((x) << TF_RX_QUIESCE_S)
38
39
40
41
42
43 #define MAX_RCV_WND ((1U << 27) - 1)
44 #define MAX_MSS 65536
45
46
47
48
49
50 #define MIN_RCV_WND (24 * 1024U)
51 #define LOOPBACK(x) (((x) & htonl(0xff000000)) == htonl(0x7f000000))
52
53
54 #define MAX_IMM_ULPTX_WR_LEN (32 + 8 + 256 + 8)
55
56
57 #define TX_HEADER_LEN \
58 (sizeof(struct fw_ofld_tx_data_wr) + sizeof(struct sge_opaque_hdr))
59 #define TX_TLSHDR_LEN \
60 (sizeof(struct fw_tlstx_data_wr) + sizeof(struct cpl_tx_tls_sfo) + \
61 sizeof(struct sge_opaque_hdr))
62 #define TXDATA_SKB_LEN 128
63
64 enum {
65 CPL_TX_TLS_SFO_TYPE_CCS,
66 CPL_TX_TLS_SFO_TYPE_ALERT,
67 CPL_TX_TLS_SFO_TYPE_HANDSHAKE,
68 CPL_TX_TLS_SFO_TYPE_DATA,
69 CPL_TX_TLS_SFO_TYPE_HEARTBEAT,
70 };
71
72 enum {
73 TLS_HDR_TYPE_CCS = 20,
74 TLS_HDR_TYPE_ALERT,
75 TLS_HDR_TYPE_HANDSHAKE,
76 TLS_HDR_TYPE_RECORD,
77 TLS_HDR_TYPE_HEARTBEAT,
78 };
79
80 typedef void (*defer_handler_t)(struct chtls_dev *dev, struct sk_buff *skb);
81 extern struct request_sock_ops chtls_rsk_ops;
82
83 struct deferred_skb_cb {
84 defer_handler_t handler;
85 struct chtls_dev *dev;
86 };
87
88 #define DEFERRED_SKB_CB(skb) ((struct deferred_skb_cb *)(skb)->cb)
89 #define failover_flowc_wr_len offsetof(struct fw_flowc_wr, mnemval[3])
90 #define WR_SKB_CB(skb) ((struct wr_skb_cb *)(skb)->cb)
91 #define ACCEPT_QUEUE(sk) (&inet_csk(sk)->icsk_accept_queue.rskq_accept_head)
92
93 #define SND_WSCALE(tp) ((tp)->rx_opt.snd_wscale)
94 #define RCV_WSCALE(tp) ((tp)->rx_opt.rcv_wscale)
95 #define USER_MSS(tp) ((tp)->rx_opt.user_mss)
96 #define TS_RECENT_STAMP(tp) ((tp)->rx_opt.ts_recent_stamp)
97 #define WSCALE_OK(tp) ((tp)->rx_opt.wscale_ok)
98 #define TSTAMP_OK(tp) ((tp)->rx_opt.tstamp_ok)
99 #define SACK_OK(tp) ((tp)->rx_opt.sack_ok)
100 #define INC_ORPHAN_COUNT(sk) percpu_counter_inc((sk)->sk_prot->orphan_count)
101
102
103 #define skb_ulp_tls_inline(skb) (ULP_SKB_CB(skb)->ulp.tls.ofld)
104 #define skb_ulp_tls_iv_imm(skb) (ULP_SKB_CB(skb)->ulp.tls.iv)
105
106 void chtls_defer_reply(struct sk_buff *skb, struct chtls_dev *dev,
107 defer_handler_t handler);
108
109
110
111
112 static inline unsigned int sk_in_state(const struct sock *sk,
113 unsigned int states)
114 {
115 return states & (1 << sk->sk_state);
116 }
117
118 static void chtls_rsk_destructor(struct request_sock *req)
119 {
120
121 }
122
123 static inline void chtls_init_rsk_ops(struct proto *chtls_tcp_prot,
124 struct request_sock_ops *chtls_tcp_ops,
125 struct proto *tcp_prot, int family)
126 {
127 memset(chtls_tcp_ops, 0, sizeof(*chtls_tcp_ops));
128 chtls_tcp_ops->family = family;
129 chtls_tcp_ops->obj_size = sizeof(struct tcp_request_sock);
130 chtls_tcp_ops->destructor = chtls_rsk_destructor;
131 chtls_tcp_ops->slab = tcp_prot->rsk_prot->slab;
132 chtls_tcp_prot->rsk_prot = chtls_tcp_ops;
133 }
134
135 static inline void chtls_reqsk_free(struct request_sock *req)
136 {
137 if (req->rsk_listener)
138 sock_put(req->rsk_listener);
139 kmem_cache_free(req->rsk_ops->slab, req);
140 }
141
142 #define DECLARE_TASK_FUNC(task, task_param) \
143 static void task(struct work_struct *task_param)
144
145 static inline void sk_wakeup_sleepers(struct sock *sk, bool interruptable)
146 {
147 struct socket_wq *wq;
148
149 rcu_read_lock();
150 wq = rcu_dereference(sk->sk_wq);
151 if (skwq_has_sleeper(wq)) {
152 if (interruptable)
153 wake_up_interruptible(sk_sleep(sk));
154 else
155 wake_up_all(sk_sleep(sk));
156 }
157 rcu_read_unlock();
158 }
159
160 static inline void chtls_set_req_port(struct request_sock *oreq,
161 __be16 source, __be16 dest)
162 {
163 inet_rsk(oreq)->ir_rmt_port = source;
164 inet_rsk(oreq)->ir_num = ntohs(dest);
165 }
166
167 static inline void chtls_set_req_addr(struct request_sock *oreq,
168 __be32 local_ip, __be32 peer_ip)
169 {
170 inet_rsk(oreq)->ir_loc_addr = local_ip;
171 inet_rsk(oreq)->ir_rmt_addr = peer_ip;
172 }
173
174 static inline void chtls_free_skb(struct sock *sk, struct sk_buff *skb)
175 {
176 skb_dst_set(skb, NULL);
177 __skb_unlink(skb, &sk->sk_receive_queue);
178 __kfree_skb(skb);
179 }
180
181 static inline void chtls_kfree_skb(struct sock *sk, struct sk_buff *skb)
182 {
183 skb_dst_set(skb, NULL);
184 __skb_unlink(skb, &sk->sk_receive_queue);
185 kfree_skb(skb);
186 }
187
188 static inline void chtls_reset_wr_list(struct chtls_sock *csk)
189 {
190 csk->wr_skb_head = NULL;
191 csk->wr_skb_tail = NULL;
192 }
193
194 static inline void enqueue_wr(struct chtls_sock *csk, struct sk_buff *skb)
195 {
196 WR_SKB_CB(skb)->next_wr = NULL;
197
198 skb_get(skb);
199
200 if (!csk->wr_skb_head)
201 csk->wr_skb_head = skb;
202 else
203 WR_SKB_CB(csk->wr_skb_tail)->next_wr = skb;
204 csk->wr_skb_tail = skb;
205 }
206
207 static inline struct sk_buff *dequeue_wr(struct sock *sk)
208 {
209 struct chtls_sock *csk = rcu_dereference_sk_user_data(sk);
210 struct sk_buff *skb = NULL;
211
212 skb = csk->wr_skb_head;
213
214 if (likely(skb)) {
215
216 csk->wr_skb_head = WR_SKB_CB(skb)->next_wr;
217 WR_SKB_CB(skb)->next_wr = NULL;
218 }
219 return skb;
220 }
221 #endif