Lines Matching refs:call
24 struct rxrpc_call *call, in rxrpc_wait_for_tx_window_intr() argument
29 if (call->tx_top - call->tx_hard_ack < in rxrpc_wait_for_tx_window_intr()
30 min_t(unsigned int, call->tx_winsize, in rxrpc_wait_for_tx_window_intr()
31 call->cong_cwnd + call->cong_extra)) in rxrpc_wait_for_tx_window_intr()
34 if (call->state >= RXRPC_CALL_COMPLETE) in rxrpc_wait_for_tx_window_intr()
35 return call->error; in rxrpc_wait_for_tx_window_intr()
40 trace_rxrpc_transmit(call, rxrpc_transmit_wait); in rxrpc_wait_for_tx_window_intr()
41 mutex_unlock(&call->user_mutex); in rxrpc_wait_for_tx_window_intr()
43 if (mutex_lock_interruptible(&call->user_mutex) < 0) in rxrpc_wait_for_tx_window_intr()
53 struct rxrpc_call *call) in rxrpc_wait_for_tx_window_nonintr() argument
59 rtt = READ_ONCE(call->peer->rtt); in rxrpc_wait_for_tx_window_nonintr()
65 tx_start = READ_ONCE(call->tx_hard_ack); in rxrpc_wait_for_tx_window_nonintr()
70 tx_win = READ_ONCE(call->tx_hard_ack); in rxrpc_wait_for_tx_window_nonintr()
71 if (call->tx_top - tx_win < in rxrpc_wait_for_tx_window_nonintr()
72 min_t(unsigned int, call->tx_winsize, in rxrpc_wait_for_tx_window_nonintr()
73 call->cong_cwnd + call->cong_extra)) in rxrpc_wait_for_tx_window_nonintr()
76 if (call->state >= RXRPC_CALL_COMPLETE) in rxrpc_wait_for_tx_window_nonintr()
77 return call->error; in rxrpc_wait_for_tx_window_nonintr()
79 if (test_bit(RXRPC_CALL_IS_INTR, &call->flags) && in rxrpc_wait_for_tx_window_nonintr()
89 trace_rxrpc_transmit(call, rxrpc_transmit_wait); in rxrpc_wait_for_tx_window_nonintr()
99 struct rxrpc_call *call, in rxrpc_wait_for_tx_window() argument
107 call->tx_hard_ack, call->tx_top, call->tx_winsize); in rxrpc_wait_for_tx_window()
109 add_wait_queue(&call->waitq, &myself); in rxrpc_wait_for_tx_window()
112 ret = rxrpc_wait_for_tx_window_nonintr(rx, call); in rxrpc_wait_for_tx_window()
114 ret = rxrpc_wait_for_tx_window_intr(rx, call, timeo); in rxrpc_wait_for_tx_window()
116 remove_wait_queue(&call->waitq, &myself); in rxrpc_wait_for_tx_window()
125 static inline void rxrpc_instant_resend(struct rxrpc_call *call, int ix) in rxrpc_instant_resend() argument
127 spin_lock_bh(&call->lock); in rxrpc_instant_resend()
129 if (call->state < RXRPC_CALL_COMPLETE) { in rxrpc_instant_resend()
130 call->rxtx_annotations[ix] = in rxrpc_instant_resend()
131 (call->rxtx_annotations[ix] & RXRPC_TX_ANNO_LAST) | in rxrpc_instant_resend()
133 if (!test_and_set_bit(RXRPC_CALL_EV_RESEND, &call->events)) in rxrpc_instant_resend()
134 rxrpc_queue_call(call); in rxrpc_instant_resend()
137 spin_unlock_bh(&call->lock); in rxrpc_instant_resend()
144 static void rxrpc_notify_end_tx(struct rxrpc_sock *rx, struct rxrpc_call *call, in rxrpc_notify_end_tx() argument
148 notify_end_tx(&rx->sk, call, call->user_call_ID); in rxrpc_notify_end_tx()
156 static int rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call, in rxrpc_queue_packet() argument
168 ASSERTCMP(seq, ==, call->tx_top + 1); in rxrpc_queue_packet()
180 call->rxtx_annotations[ix] = annotation; in rxrpc_queue_packet()
182 call->rxtx_buffer[ix] = skb; in rxrpc_queue_packet()
183 call->tx_top = seq; in rxrpc_queue_packet()
185 trace_rxrpc_transmit(call, rxrpc_transmit_queue_last); in rxrpc_queue_packet()
187 trace_rxrpc_transmit(call, rxrpc_transmit_queue); in rxrpc_queue_packet()
189 if (last || call->state == RXRPC_CALL_SERVER_ACK_REQUEST) { in rxrpc_queue_packet()
191 write_lock_bh(&call->state_lock); in rxrpc_queue_packet()
192 switch (call->state) { in rxrpc_queue_packet()
194 call->state = RXRPC_CALL_CLIENT_AWAIT_REPLY; in rxrpc_queue_packet()
195 rxrpc_notify_end_tx(rx, call, notify_end_tx); in rxrpc_queue_packet()
198 call->state = RXRPC_CALL_SERVER_SEND_REPLY; in rxrpc_queue_packet()
200 WRITE_ONCE(call->ack_at, now + MAX_JIFFY_OFFSET); in rxrpc_queue_packet()
201 if (call->ackr_reason == RXRPC_ACK_DELAY) in rxrpc_queue_packet()
202 call->ackr_reason = 0; in rxrpc_queue_packet()
203 trace_rxrpc_timer(call, rxrpc_timer_init_for_send_reply, now); in rxrpc_queue_packet()
208 call->state = RXRPC_CALL_SERVER_AWAIT_ACK; in rxrpc_queue_packet()
209 rxrpc_notify_end_tx(rx, call, notify_end_tx); in rxrpc_queue_packet()
214 write_unlock_bh(&call->state_lock); in rxrpc_queue_packet()
217 if (seq == 1 && rxrpc_is_client_call(call)) in rxrpc_queue_packet()
218 rxrpc_expose_client_call(call); in rxrpc_queue_packet()
220 ret = rxrpc_send_data_packet(call, skb, false); in rxrpc_queue_packet()
226 rxrpc_set_call_completion(call, in rxrpc_queue_packet()
229 rxrpc_notify_socket(call); in rxrpc_queue_packet()
233 rxrpc_instant_resend(call, ix); in rxrpc_queue_packet()
237 if (call->peer->rtt_usage > 1) in rxrpc_queue_packet()
238 resend_at = nsecs_to_jiffies(call->peer->rtt * 3 / 2); in rxrpc_queue_packet()
245 WRITE_ONCE(call->resend_at, resend_at); in rxrpc_queue_packet()
246 rxrpc_reduce_call_timer(call, resend_at, now, in rxrpc_queue_packet()
262 struct rxrpc_call *call, in rxrpc_send_data() argument
283 if (call->tx_total_len != -1) { in rxrpc_send_data()
284 if (len > call->tx_total_len) in rxrpc_send_data()
286 if (!more && len != call->tx_total_len) in rxrpc_send_data()
290 skb = call->tx_pending; in rxrpc_send_data()
291 call->tx_pending = NULL; in rxrpc_send_data()
297 if (call->ackr_reason == RXRPC_ACK_PING_RESPONSE) in rxrpc_send_data()
298 rxrpc_send_ack_packet(call, false, NULL); in rxrpc_send_data()
305 if (call->tx_top - call->tx_hard_ack >= in rxrpc_send_data()
306 min_t(unsigned int, call->tx_winsize, in rxrpc_send_data()
307 call->cong_cwnd + call->cong_extra)) { in rxrpc_send_data()
311 ret = rxrpc_wait_for_tx_window(rx, call, in rxrpc_send_data()
319 max -= call->conn->security_size; in rxrpc_send_data()
320 max &= ~(call->conn->size_align - 1UL); in rxrpc_send_data()
326 space = chunk + call->conn->size_align; in rxrpc_send_data()
327 space &= ~(call->conn->size_align - 1UL); in rxrpc_send_data()
329 size = space + call->conn->security_size; in rxrpc_send_data()
347 _debug("HS: %u", call->conn->security_size); in rxrpc_send_data()
348 skb_reserve(skb, call->conn->security_size); in rxrpc_send_data()
349 skb->len += call->conn->security_size; in rxrpc_send_data()
384 if (call->tx_total_len != -1) in rxrpc_send_data()
385 call->tx_total_len -= copy; in rxrpc_send_data()
390 if (call->state == RXRPC_CALL_COMPLETE) in rxrpc_send_data()
396 struct rxrpc_connection *conn = call->conn; in rxrpc_send_data()
410 seq = call->tx_top + 1; in rxrpc_send_data()
418 else if (call->tx_top - call->tx_hard_ack < in rxrpc_send_data()
419 call->tx_winsize) in rxrpc_send_data()
422 ret = call->security->secure_packet( in rxrpc_send_data()
423 call, skb, skb->mark, skb->head); in rxrpc_send_data()
427 ret = rxrpc_queue_packet(rx, call, skb, in rxrpc_send_data()
438 call->tx_pending = skb; in rxrpc_send_data()
444 _leave(" = %d", call->error); in rxrpc_send_data()
445 return call->error; in rxrpc_send_data()
485 p->call.user_call_ID = *(u32 *)CMSG_DATA(cmsg); in rxrpc_sendmsg_cmsg()
489 p->call.user_call_ID = *(unsigned long *) in rxrpc_sendmsg_cmsg()
527 if (p->call.tx_total_len != -1 || len != sizeof(__s64)) in rxrpc_sendmsg_cmsg()
529 p->call.tx_total_len = *(__s64 *)CMSG_DATA(cmsg); in rxrpc_sendmsg_cmsg()
530 if (p->call.tx_total_len < 0) in rxrpc_sendmsg_cmsg()
537 memcpy(&p->call.timeouts, CMSG_DATA(cmsg), len); in rxrpc_sendmsg_cmsg()
538 p->call.nr_timeouts = len / 4; in rxrpc_sendmsg_cmsg()
539 if (p->call.timeouts.hard > INT_MAX / HZ) in rxrpc_sendmsg_cmsg()
541 if (p->call.nr_timeouts >= 2 && p->call.timeouts.idle > 60 * 60 * 1000) in rxrpc_sendmsg_cmsg()
543 if (p->call.nr_timeouts >= 3 && p->call.timeouts.normal > 60 * 60 * 1000) in rxrpc_sendmsg_cmsg()
554 if (p->call.tx_total_len != -1 && p->command != RXRPC_CMD_SEND_DATA) in rxrpc_sendmsg_cmsg()
569 __acquires(&call->user_mutex) in rxrpc_new_client_call_for_sendmsg()
572 struct rxrpc_call *call; in rxrpc_new_client_call_for_sendmsg() local
595 call = rxrpc_new_client_call(rx, &cp, srx, &p->call, GFP_KERNEL, in rxrpc_new_client_call_for_sendmsg()
600 _leave(" = %p\n", call); in rxrpc_new_client_call_for_sendmsg()
601 return call; in rxrpc_new_client_call_for_sendmsg()
611 __releases(&call->user_mutex) in rxrpc_do_sendmsg()
614 struct rxrpc_call *call; in rxrpc_do_sendmsg() local
619 .call.tx_total_len = -1, in rxrpc_do_sendmsg()
620 .call.user_call_ID = 0, in rxrpc_do_sendmsg()
621 .call.nr_timeouts = 0, in rxrpc_do_sendmsg()
622 .call.intr = true, in rxrpc_do_sendmsg()
639 call = rxrpc_accept_call(rx, p.call.user_call_ID, NULL); in rxrpc_do_sendmsg()
641 if (IS_ERR(call)) in rxrpc_do_sendmsg()
642 return PTR_ERR(call); in rxrpc_do_sendmsg()
647 call = rxrpc_find_call_by_user_ID(rx, p.call.user_call_ID); in rxrpc_do_sendmsg()
648 if (!call) { in rxrpc_do_sendmsg()
652 call = rxrpc_new_client_call_for_sendmsg(rx, msg, &p); in rxrpc_do_sendmsg()
654 if (IS_ERR(call)) in rxrpc_do_sendmsg()
655 return PTR_ERR(call); in rxrpc_do_sendmsg()
658 switch (READ_ONCE(call->state)) { in rxrpc_do_sendmsg()
664 rxrpc_put_call(call, rxrpc_call_put); in rxrpc_do_sendmsg()
671 ret = mutex_lock_interruptible(&call->user_mutex); in rxrpc_do_sendmsg()
678 if (p.call.tx_total_len != -1) { in rxrpc_do_sendmsg()
680 if (call->tx_total_len != -1 || in rxrpc_do_sendmsg()
681 call->tx_pending || in rxrpc_do_sendmsg()
682 call->tx_top != 0) in rxrpc_do_sendmsg()
684 call->tx_total_len = p.call.tx_total_len; in rxrpc_do_sendmsg()
688 switch (p.call.nr_timeouts) { in rxrpc_do_sendmsg()
690 j = msecs_to_jiffies(p.call.timeouts.normal); in rxrpc_do_sendmsg()
691 if (p.call.timeouts.normal > 0 && j == 0) in rxrpc_do_sendmsg()
693 WRITE_ONCE(call->next_rx_timo, j); in rxrpc_do_sendmsg()
696 j = msecs_to_jiffies(p.call.timeouts.idle); in rxrpc_do_sendmsg()
697 if (p.call.timeouts.idle > 0 && j == 0) in rxrpc_do_sendmsg()
699 WRITE_ONCE(call->next_req_timo, j); in rxrpc_do_sendmsg()
702 if (p.call.timeouts.hard > 0) { in rxrpc_do_sendmsg()
703 j = msecs_to_jiffies(p.call.timeouts.hard); in rxrpc_do_sendmsg()
706 WRITE_ONCE(call->expect_term_by, j); in rxrpc_do_sendmsg()
707 rxrpc_reduce_call_timer(call, j, now, in rxrpc_do_sendmsg()
713 state = READ_ONCE(call->state); in rxrpc_do_sendmsg()
715 call->debug_id, call->user_call_ID, state, call->conn); in rxrpc_do_sendmsg()
722 if (rxrpc_abort_call("CMD", call, 0, p.abort_code, -ECONNABORTED)) in rxrpc_do_sendmsg()
723 ret = rxrpc_send_abort_packet(call); in rxrpc_do_sendmsg()
726 } else if (rxrpc_is_client_call(call) && in rxrpc_do_sendmsg()
730 } else if (rxrpc_is_service_call(call) && in rxrpc_do_sendmsg()
736 ret = rxrpc_send_data(rx, call, msg, len, NULL); in rxrpc_do_sendmsg()
740 mutex_unlock(&call->user_mutex); in rxrpc_do_sendmsg()
742 rxrpc_put_call(call, rxrpc_call_put); in rxrpc_do_sendmsg()
764 int rxrpc_kernel_send_data(struct socket *sock, struct rxrpc_call *call, in rxrpc_kernel_send_data() argument
770 _enter("{%d,%s},", call->debug_id, rxrpc_call_states[call->state]); in rxrpc_kernel_send_data()
775 mutex_lock(&call->user_mutex); in rxrpc_kernel_send_data()
778 call->debug_id, call->user_call_ID, call->state, call->conn); in rxrpc_kernel_send_data()
780 switch (READ_ONCE(call->state)) { in rxrpc_kernel_send_data()
784 ret = rxrpc_send_data(rxrpc_sk(sock->sk), call, msg, len, in rxrpc_kernel_send_data()
788 read_lock_bh(&call->state_lock); in rxrpc_kernel_send_data()
789 ret = call->error; in rxrpc_kernel_send_data()
790 read_unlock_bh(&call->state_lock); in rxrpc_kernel_send_data()
794 trace_rxrpc_rx_eproto(call, 0, tracepoint_string("late_send")); in rxrpc_kernel_send_data()
799 mutex_unlock(&call->user_mutex); in rxrpc_kernel_send_data()
816 bool rxrpc_kernel_abort_call(struct socket *sock, struct rxrpc_call *call, in rxrpc_kernel_abort_call() argument
821 _enter("{%d},%d,%d,%s", call->debug_id, abort_code, error, why); in rxrpc_kernel_abort_call()
823 mutex_lock(&call->user_mutex); in rxrpc_kernel_abort_call()
825 aborted = rxrpc_abort_call(why, call, 0, abort_code, error); in rxrpc_kernel_abort_call()
827 rxrpc_send_abort_packet(call); in rxrpc_kernel_abort_call()
829 mutex_unlock(&call->user_mutex); in rxrpc_kernel_abort_call()
846 void rxrpc_kernel_set_tx_length(struct socket *sock, struct rxrpc_call *call, in rxrpc_kernel_set_tx_length() argument
849 WARN_ON(call->tx_total_len != -1); in rxrpc_kernel_set_tx_length()
850 call->tx_total_len = tx_total_len; in rxrpc_kernel_set_tx_length()