Lines Matching refs:inc
44 void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn, in rds_inc_init() argument
47 refcount_set(&inc->i_refcount, 1); in rds_inc_init()
48 INIT_LIST_HEAD(&inc->i_item); in rds_inc_init()
49 inc->i_conn = conn; in rds_inc_init()
50 inc->i_conn_path = NULL; in rds_inc_init()
51 inc->i_saddr = *saddr; in rds_inc_init()
52 inc->i_usercopy.rdma_cookie = 0; in rds_inc_init()
53 inc->i_usercopy.rx_tstamp = ktime_set(0, 0); in rds_inc_init()
55 memset(inc->i_rx_lat_trace, 0, sizeof(inc->i_rx_lat_trace)); in rds_inc_init()
59 void rds_inc_path_init(struct rds_incoming *inc, struct rds_conn_path *cp, in rds_inc_path_init() argument
62 refcount_set(&inc->i_refcount, 1); in rds_inc_path_init()
63 INIT_LIST_HEAD(&inc->i_item); in rds_inc_path_init()
64 inc->i_conn = cp->cp_conn; in rds_inc_path_init()
65 inc->i_conn_path = cp; in rds_inc_path_init()
66 inc->i_saddr = *saddr; in rds_inc_path_init()
67 inc->i_usercopy.rdma_cookie = 0; in rds_inc_path_init()
68 inc->i_usercopy.rx_tstamp = ktime_set(0, 0); in rds_inc_path_init()
70 memset(inc->i_rx_lat_trace, 0, sizeof(inc->i_rx_lat_trace)); in rds_inc_path_init()
74 static void rds_inc_addref(struct rds_incoming *inc) in rds_inc_addref() argument
76 rdsdebug("addref inc %p ref %d\n", inc, refcount_read(&inc->i_refcount)); in rds_inc_addref()
77 refcount_inc(&inc->i_refcount); in rds_inc_addref()
80 void rds_inc_put(struct rds_incoming *inc) in rds_inc_put() argument
82 rdsdebug("put inc %p ref %d\n", inc, refcount_read(&inc->i_refcount)); in rds_inc_put()
83 if (refcount_dec_and_test(&inc->i_refcount)) { in rds_inc_put()
84 BUG_ON(!list_empty(&inc->i_item)); in rds_inc_put()
86 inc->i_conn->c_trans->inc_free(inc); in rds_inc_put()
169 static void rds_recv_incoming_exthdrs(struct rds_incoming *inc, struct rds_sock *rs) in rds_recv_incoming_exthdrs() argument
171 struct rds_header *hdr = &inc->i_hdr; in rds_recv_incoming_exthdrs()
193 inc->i_usercopy.rdma_cookie = rds_rdma_make_cookie( in rds_recv_incoming_exthdrs()
321 struct rds_incoming *inc, gfp_t gfp) in rds_recv_incoming() argument
328 inc->i_conn = conn; in rds_recv_incoming()
329 inc->i_rx_jiffies = jiffies; in rds_recv_incoming()
331 cp = inc->i_conn_path; in rds_recv_incoming()
338 inc, in rds_recv_incoming()
339 (unsigned long long)be64_to_cpu(inc->i_hdr.h_sequence), in rds_recv_incoming()
340 be32_to_cpu(inc->i_hdr.h_len), in rds_recv_incoming()
341 be16_to_cpu(inc->i_hdr.h_sport), in rds_recv_incoming()
342 be16_to_cpu(inc->i_hdr.h_dport), in rds_recv_incoming()
343 inc->i_hdr.h_flags, in rds_recv_incoming()
344 inc->i_rx_jiffies); in rds_recv_incoming()
366 if (be64_to_cpu(inc->i_hdr.h_sequence) < cp->cp_next_rx_seq && in rds_recv_incoming()
367 (inc->i_hdr.h_flags & RDS_FLAG_RETRANSMITTED)) { in rds_recv_incoming()
371 cp->cp_next_rx_seq = be64_to_cpu(inc->i_hdr.h_sequence) + 1; in rds_recv_incoming()
373 if (rds_sysctl_ping_enable && inc->i_hdr.h_dport == 0) { in rds_recv_incoming()
374 if (inc->i_hdr.h_sport == 0) { in rds_recv_incoming()
380 rds_send_pong(cp, inc->i_hdr.h_sport); in rds_recv_incoming()
382 if (RDS_HS_PROBE(be16_to_cpu(inc->i_hdr.h_sport), in rds_recv_incoming()
383 be16_to_cpu(inc->i_hdr.h_dport))) { in rds_recv_incoming()
384 rds_recv_hs_exthdrs(&inc->i_hdr, cp->cp_conn); in rds_recv_incoming()
390 if (be16_to_cpu(inc->i_hdr.h_dport) == RDS_FLAG_PROBE_PORT && in rds_recv_incoming()
391 inc->i_hdr.h_sport == 0) { in rds_recv_incoming()
392 rds_recv_hs_exthdrs(&inc->i_hdr, cp->cp_conn); in rds_recv_incoming()
399 rs = rds_find_bound(daddr, inc->i_hdr.h_dport, conn->c_bound_if); in rds_recv_incoming()
421 rds_recv_incoming_exthdrs(inc, rs); in rds_recv_incoming()
429 rdsdebug("adding inc %p to rs %p's recv queue\n", inc, rs); in rds_recv_incoming()
431 rds_recv_rcvbuf_delta(rs, sk, inc->i_conn->c_lcong, in rds_recv_incoming()
432 be32_to_cpu(inc->i_hdr.h_len), in rds_recv_incoming()
433 inc->i_hdr.h_dport); in rds_recv_incoming()
435 inc->i_usercopy.rx_tstamp = ktime_get_real(); in rds_recv_incoming()
436 rds_inc_addref(inc); in rds_recv_incoming()
437 inc->i_rx_lat_trace[RDS_MSG_RX_END] = local_clock(); in rds_recv_incoming()
438 list_add_tail(&inc->i_item, &rs->rs_recv_queue); in rds_recv_incoming()
455 static int rds_next_incoming(struct rds_sock *rs, struct rds_incoming **inc) in rds_next_incoming() argument
459 if (!*inc) { in rds_next_incoming()
462 *inc = list_entry(rs->rs_recv_queue.next, in rds_next_incoming()
465 rds_inc_addref(*inc); in rds_next_incoming()
470 return *inc != NULL; in rds_next_incoming()
473 static int rds_still_queued(struct rds_sock *rs, struct rds_incoming *inc, in rds_still_queued() argument
482 if (!list_empty(&inc->i_item)) { in rds_still_queued()
486 rds_recv_rcvbuf_delta(rs, sk, inc->i_conn->c_lcong, in rds_still_queued()
487 -be32_to_cpu(inc->i_hdr.h_len), in rds_still_queued()
488 inc->i_hdr.h_dport); in rds_still_queued()
489 list_del_init(&inc->i_item); in rds_still_queued()
490 to_drop = inc; in rds_still_queued()
498 rdsdebug("inc %p rs %p still %d dropped %d\n", inc, rs, ret, drop); in rds_still_queued()
595 static int rds_cmsg_recv(struct rds_incoming *inc, struct msghdr *msg, in rds_cmsg_recv() argument
600 if (inc->i_usercopy.rdma_cookie) { in rds_cmsg_recv()
602 sizeof(inc->i_usercopy.rdma_cookie), in rds_cmsg_recv()
603 &inc->i_usercopy.rdma_cookie); in rds_cmsg_recv()
608 if ((inc->i_usercopy.rx_tstamp != 0) && in rds_cmsg_recv()
611 ns_to_kernel_old_timeval(inc->i_usercopy.rx_tstamp); in rds_cmsg_recv()
635 inc->i_rx_lat_trace[RDS_MSG_RX_CMSG] = local_clock(); in rds_cmsg_recv()
640 t.rx_trace[i] = inc->i_rx_lat_trace[j + 1] - in rds_cmsg_recv()
641 inc->i_rx_lat_trace[j]; in rds_cmsg_recv()
698 struct rds_incoming *inc = NULL; in rds_recvmsg() local
722 if (!rds_next_incoming(rs, &inc)) { in rds_recvmsg()
733 rds_next_incoming(rs, &inc)), timeo); in rds_recvmsg()
734 rdsdebug("recvmsg woke inc %p timeo %ld\n", inc, in rds_recvmsg()
745 rdsdebug("copying inc %p from %pI6c:%u to user\n", inc, in rds_recvmsg()
746 &inc->i_conn->c_faddr, in rds_recvmsg()
747 ntohs(inc->i_hdr.h_sport)); in rds_recvmsg()
748 ret = inc->i_conn->c_trans->inc_copy_to_user(inc, &msg->msg_iter); in rds_recvmsg()
757 if (!rds_still_queued(rs, inc, !(msg_flags & MSG_PEEK))) { in rds_recvmsg()
758 rds_inc_put(inc); in rds_recvmsg()
759 inc = NULL; in rds_recvmsg()
765 if (ret < be32_to_cpu(inc->i_hdr.h_len)) { in rds_recvmsg()
767 ret = be32_to_cpu(inc->i_hdr.h_len); in rds_recvmsg()
771 if (rds_cmsg_recv(inc, msg, rs)) { in rds_recvmsg()
780 if (ipv6_addr_v4mapped(&inc->i_saddr)) { in rds_recvmsg()
782 sin->sin_port = inc->i_hdr.h_sport; in rds_recvmsg()
784 inc->i_saddr.s6_addr32[3]; in rds_recvmsg()
789 sin6->sin6_port = inc->i_hdr.h_sport; in rds_recvmsg()
790 sin6->sin6_addr = inc->i_saddr; in rds_recvmsg()
799 if (inc) in rds_recvmsg()
800 rds_inc_put(inc); in rds_recvmsg()
814 struct rds_incoming *inc, *tmp; in rds_clear_recv_queue() local
819 list_for_each_entry_safe(inc, tmp, &rs->rs_recv_queue, i_item) { in rds_clear_recv_queue()
820 rds_recv_rcvbuf_delta(rs, sk, inc->i_conn->c_lcong, in rds_clear_recv_queue()
821 -be32_to_cpu(inc->i_hdr.h_len), in rds_clear_recv_queue()
822 inc->i_hdr.h_dport); in rds_clear_recv_queue()
823 list_move(&inc->i_item, &to_drop); in rds_clear_recv_queue()
827 list_for_each_entry_safe(inc, tmp, &to_drop, i_item) { in rds_clear_recv_queue()
828 list_del_init(&inc->i_item); in rds_clear_recv_queue()
829 rds_inc_put(inc); in rds_clear_recv_queue()
837 void rds_inc_info_copy(struct rds_incoming *inc, in rds_inc_info_copy() argument
843 minfo.seq = be64_to_cpu(inc->i_hdr.h_sequence); in rds_inc_info_copy()
844 minfo.len = be32_to_cpu(inc->i_hdr.h_len); in rds_inc_info_copy()
845 minfo.tos = inc->i_conn->c_tos; in rds_inc_info_copy()
850 minfo.lport = inc->i_hdr.h_dport; in rds_inc_info_copy()
851 minfo.fport = inc->i_hdr.h_sport; in rds_inc_info_copy()
855 minfo.lport = inc->i_hdr.h_sport; in rds_inc_info_copy()
856 minfo.fport = inc->i_hdr.h_dport; in rds_inc_info_copy()
865 void rds6_inc_info_copy(struct rds_incoming *inc, in rds6_inc_info_copy() argument
872 minfo6.seq = be64_to_cpu(inc->i_hdr.h_sequence); in rds6_inc_info_copy()
873 minfo6.len = be32_to_cpu(inc->i_hdr.h_len); in rds6_inc_info_copy()
874 minfo6.tos = inc->i_conn->c_tos; in rds6_inc_info_copy()
879 minfo6.lport = inc->i_hdr.h_dport; in rds6_inc_info_copy()
880 minfo6.fport = inc->i_hdr.h_sport; in rds6_inc_info_copy()
884 minfo6.lport = inc->i_hdr.h_sport; in rds6_inc_info_copy()
885 minfo6.fport = inc->i_hdr.h_dport; in rds6_inc_info_copy()