Lines Matching refs:inc
43 void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn, in rds_inc_init() argument
48 refcount_set(&inc->i_refcount, 1); in rds_inc_init()
49 INIT_LIST_HEAD(&inc->i_item); in rds_inc_init()
50 inc->i_conn = conn; in rds_inc_init()
51 inc->i_saddr = *saddr; in rds_inc_init()
52 inc->i_rdma_cookie = 0; in rds_inc_init()
53 inc->i_rx_tstamp.tv_sec = 0; in rds_inc_init()
54 inc->i_rx_tstamp.tv_usec = 0; in rds_inc_init()
57 inc->i_rx_lat_trace[i] = 0; in rds_inc_init()
61 void rds_inc_path_init(struct rds_incoming *inc, struct rds_conn_path *cp, in rds_inc_path_init() argument
64 refcount_set(&inc->i_refcount, 1); in rds_inc_path_init()
65 INIT_LIST_HEAD(&inc->i_item); in rds_inc_path_init()
66 inc->i_conn = cp->cp_conn; in rds_inc_path_init()
67 inc->i_conn_path = cp; in rds_inc_path_init()
68 inc->i_saddr = *saddr; in rds_inc_path_init()
69 inc->i_rdma_cookie = 0; in rds_inc_path_init()
70 inc->i_rx_tstamp.tv_sec = 0; in rds_inc_path_init()
71 inc->i_rx_tstamp.tv_usec = 0; in rds_inc_path_init()
75 static void rds_inc_addref(struct rds_incoming *inc) in rds_inc_addref() argument
77 rdsdebug("addref inc %p ref %d\n", inc, refcount_read(&inc->i_refcount)); in rds_inc_addref()
78 refcount_inc(&inc->i_refcount); in rds_inc_addref()
81 void rds_inc_put(struct rds_incoming *inc) in rds_inc_put() argument
83 rdsdebug("put inc %p ref %d\n", inc, refcount_read(&inc->i_refcount)); in rds_inc_put()
84 if (refcount_dec_and_test(&inc->i_refcount)) { in rds_inc_put()
85 BUG_ON(!list_empty(&inc->i_item)); in rds_inc_put()
87 inc->i_conn->c_trans->inc_free(inc); in rds_inc_put()
170 static void rds_recv_incoming_exthdrs(struct rds_incoming *inc, struct rds_sock *rs) in rds_recv_incoming_exthdrs() argument
172 struct rds_header *hdr = &inc->i_hdr; in rds_recv_incoming_exthdrs()
194 inc->i_rdma_cookie = rds_rdma_make_cookie( in rds_recv_incoming_exthdrs()
289 struct rds_incoming *inc, gfp_t gfp) in rds_recv_incoming() argument
296 inc->i_conn = conn; in rds_recv_incoming()
297 inc->i_rx_jiffies = jiffies; in rds_recv_incoming()
299 cp = inc->i_conn_path; in rds_recv_incoming()
306 inc, in rds_recv_incoming()
307 (unsigned long long)be64_to_cpu(inc->i_hdr.h_sequence), in rds_recv_incoming()
308 be32_to_cpu(inc->i_hdr.h_len), in rds_recv_incoming()
309 be16_to_cpu(inc->i_hdr.h_sport), in rds_recv_incoming()
310 be16_to_cpu(inc->i_hdr.h_dport), in rds_recv_incoming()
311 inc->i_hdr.h_flags, in rds_recv_incoming()
312 inc->i_rx_jiffies); in rds_recv_incoming()
334 if (be64_to_cpu(inc->i_hdr.h_sequence) < cp->cp_next_rx_seq && in rds_recv_incoming()
335 (inc->i_hdr.h_flags & RDS_FLAG_RETRANSMITTED)) { in rds_recv_incoming()
339 cp->cp_next_rx_seq = be64_to_cpu(inc->i_hdr.h_sequence) + 1; in rds_recv_incoming()
341 if (rds_sysctl_ping_enable && inc->i_hdr.h_dport == 0) { in rds_recv_incoming()
342 if (inc->i_hdr.h_sport == 0) { in rds_recv_incoming()
348 rds_send_pong(cp, inc->i_hdr.h_sport); in rds_recv_incoming()
350 if (RDS_HS_PROBE(be16_to_cpu(inc->i_hdr.h_sport), in rds_recv_incoming()
351 be16_to_cpu(inc->i_hdr.h_dport))) { in rds_recv_incoming()
352 rds_recv_hs_exthdrs(&inc->i_hdr, cp->cp_conn); in rds_recv_incoming()
358 if (be16_to_cpu(inc->i_hdr.h_dport) == RDS_FLAG_PROBE_PORT && in rds_recv_incoming()
359 inc->i_hdr.h_sport == 0) { in rds_recv_incoming()
360 rds_recv_hs_exthdrs(&inc->i_hdr, cp->cp_conn); in rds_recv_incoming()
367 rs = rds_find_bound(daddr, inc->i_hdr.h_dport, conn->c_bound_if); in rds_recv_incoming()
374 rds_recv_incoming_exthdrs(inc, rs); in rds_recv_incoming()
382 rdsdebug("adding inc %p to rs %p's recv queue\n", inc, rs); in rds_recv_incoming()
384 rds_recv_rcvbuf_delta(rs, sk, inc->i_conn->c_lcong, in rds_recv_incoming()
385 be32_to_cpu(inc->i_hdr.h_len), in rds_recv_incoming()
386 inc->i_hdr.h_dport); in rds_recv_incoming()
388 do_gettimeofday(&inc->i_rx_tstamp); in rds_recv_incoming()
389 rds_inc_addref(inc); in rds_recv_incoming()
390 inc->i_rx_lat_trace[RDS_MSG_RX_END] = local_clock(); in rds_recv_incoming()
391 list_add_tail(&inc->i_item, &rs->rs_recv_queue); in rds_recv_incoming()
408 static int rds_next_incoming(struct rds_sock *rs, struct rds_incoming **inc) in rds_next_incoming() argument
412 if (!*inc) { in rds_next_incoming()
415 *inc = list_entry(rs->rs_recv_queue.next, in rds_next_incoming()
418 rds_inc_addref(*inc); in rds_next_incoming()
423 return *inc != NULL; in rds_next_incoming()
426 static int rds_still_queued(struct rds_sock *rs, struct rds_incoming *inc, in rds_still_queued() argument
434 if (!list_empty(&inc->i_item)) { in rds_still_queued()
438 rds_recv_rcvbuf_delta(rs, sk, inc->i_conn->c_lcong, in rds_still_queued()
439 -be32_to_cpu(inc->i_hdr.h_len), in rds_still_queued()
440 inc->i_hdr.h_dport); in rds_still_queued()
441 list_del_init(&inc->i_item); in rds_still_queued()
442 rds_inc_put(inc); in rds_still_queued()
447 rdsdebug("inc %p rs %p still %d dropped %d\n", inc, rs, ret, drop); in rds_still_queued()
543 static int rds_cmsg_recv(struct rds_incoming *inc, struct msghdr *msg, in rds_cmsg_recv() argument
548 if (inc->i_rdma_cookie) { in rds_cmsg_recv()
550 sizeof(inc->i_rdma_cookie), &inc->i_rdma_cookie); in rds_cmsg_recv()
555 if ((inc->i_rx_tstamp.tv_sec != 0) && in rds_cmsg_recv()
559 &inc->i_rx_tstamp); in rds_cmsg_recv()
569 inc->i_rx_lat_trace[RDS_MSG_RX_CMSG] = local_clock(); in rds_cmsg_recv()
574 t.rx_trace[i] = inc->i_rx_lat_trace[j + 1] - in rds_cmsg_recv()
575 inc->i_rx_lat_trace[j]; in rds_cmsg_recv()
632 struct rds_incoming *inc = NULL; in rds_recvmsg() local
656 if (!rds_next_incoming(rs, &inc)) { in rds_recvmsg()
667 rds_next_incoming(rs, &inc)), timeo); in rds_recvmsg()
668 rdsdebug("recvmsg woke inc %p timeo %ld\n", inc, in rds_recvmsg()
679 rdsdebug("copying inc %p from %pI6c:%u to user\n", inc, in rds_recvmsg()
680 &inc->i_conn->c_faddr, in rds_recvmsg()
681 ntohs(inc->i_hdr.h_sport)); in rds_recvmsg()
682 ret = inc->i_conn->c_trans->inc_copy_to_user(inc, &msg->msg_iter); in rds_recvmsg()
691 if (!rds_still_queued(rs, inc, !(msg_flags & MSG_PEEK))) { in rds_recvmsg()
692 rds_inc_put(inc); in rds_recvmsg()
693 inc = NULL; in rds_recvmsg()
699 if (ret < be32_to_cpu(inc->i_hdr.h_len)) { in rds_recvmsg()
701 ret = be32_to_cpu(inc->i_hdr.h_len); in rds_recvmsg()
705 if (rds_cmsg_recv(inc, msg, rs)) { in rds_recvmsg()
714 if (ipv6_addr_v4mapped(&inc->i_saddr)) { in rds_recvmsg()
718 sin->sin_port = inc->i_hdr.h_sport; in rds_recvmsg()
720 inc->i_saddr.s6_addr32[3]; in rds_recvmsg()
727 sin6->sin6_port = inc->i_hdr.h_sport; in rds_recvmsg()
728 sin6->sin6_addr = inc->i_saddr; in rds_recvmsg()
737 if (inc) in rds_recvmsg()
738 rds_inc_put(inc); in rds_recvmsg()
752 struct rds_incoming *inc, *tmp; in rds_clear_recv_queue() local
756 list_for_each_entry_safe(inc, tmp, &rs->rs_recv_queue, i_item) { in rds_clear_recv_queue()
757 rds_recv_rcvbuf_delta(rs, sk, inc->i_conn->c_lcong, in rds_clear_recv_queue()
758 -be32_to_cpu(inc->i_hdr.h_len), in rds_clear_recv_queue()
759 inc->i_hdr.h_dport); in rds_clear_recv_queue()
760 list_del_init(&inc->i_item); in rds_clear_recv_queue()
761 rds_inc_put(inc); in rds_clear_recv_queue()
770 void rds_inc_info_copy(struct rds_incoming *inc, in rds_inc_info_copy() argument
776 minfo.seq = be64_to_cpu(inc->i_hdr.h_sequence); in rds_inc_info_copy()
777 minfo.len = be32_to_cpu(inc->i_hdr.h_len); in rds_inc_info_copy()
782 minfo.lport = inc->i_hdr.h_dport; in rds_inc_info_copy()
783 minfo.fport = inc->i_hdr.h_sport; in rds_inc_info_copy()
787 minfo.lport = inc->i_hdr.h_sport; in rds_inc_info_copy()
788 minfo.fport = inc->i_hdr.h_dport; in rds_inc_info_copy()
797 void rds6_inc_info_copy(struct rds_incoming *inc, in rds6_inc_info_copy() argument
804 minfo6.seq = be64_to_cpu(inc->i_hdr.h_sequence); in rds6_inc_info_copy()
805 minfo6.len = be32_to_cpu(inc->i_hdr.h_len); in rds6_inc_info_copy()
810 minfo6.lport = inc->i_hdr.h_dport; in rds6_inc_info_copy()
811 minfo6.fport = inc->i_hdr.h_sport; in rds6_inc_info_copy()
815 minfo6.lport = inc->i_hdr.h_sport; in rds6_inc_info_copy()
816 minfo6.fport = inc->i_hdr.h_dport; in rds6_inc_info_copy()