diff options
Diffstat (limited to 'net/sctp/output.c')
| -rw-r--r-- | net/sctp/output.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/net/sctp/output.c b/net/sctp/output.c index f5320a87341e..85406d5f8f41 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -81,8 +81,8 @@ static void sctp_packet_reset(struct sctp_packet *packet) /* Config a packet. * This appears to be a followup set of initializations. */ -struct sctp_packet *sctp_packet_config(struct sctp_packet *packet, - __u32 vtag, int ecn_capable) +void sctp_packet_config(struct sctp_packet *packet, __u32 vtag, + int ecn_capable) { struct sctp_transport *tp = packet->transport; struct sctp_association *asoc = tp->asoc; @@ -123,14 +123,12 @@ struct sctp_packet *sctp_packet_config(struct sctp_packet *packet, if (chunk) sctp_packet_append_chunk(packet, chunk); } - - return packet; } /* Initialize the packet structure. */ -struct sctp_packet *sctp_packet_init(struct sctp_packet *packet, - struct sctp_transport *transport, - __u16 sport, __u16 dport) +void sctp_packet_init(struct sctp_packet *packet, + struct sctp_transport *transport, + __u16 sport, __u16 dport) { struct sctp_association *asoc = transport->asoc; size_t overhead; @@ -151,8 +149,6 @@ struct sctp_packet *sctp_packet_init(struct sctp_packet *packet, packet->overhead = overhead; sctp_packet_reset(packet); packet->vtag = 0; - - return packet; } /* Free a packet. */ @@ -550,6 +546,7 @@ int sctp_packet_transmit(struct sctp_packet *packet, gfp_t gfp) struct sctp_association *asoc = tp->asoc; struct sctp_chunk *chunk, *tmp; int pkt_count, gso = 0; + int confirm; struct dst_entry *dst; struct sk_buff *head; struct sctphdr *sh; @@ -628,7 +625,14 @@ int sctp_packet_transmit(struct sctp_packet *packet, gfp_t gfp) asoc->peer.last_sent_to = tp; } head->ignore_df = packet->ipfragok; - tp->af_specific->sctp_xmit(head, tp); + confirm = tp->dst_pending_confirm; + if (confirm) + skb_set_dst_pending_confirm(head, 1); + /* neighbour should be confirmed on successful transmission or + * positive error + */ + if (tp->af_specific->sctp_xmit(head, tp) >= 0 && confirm) + tp->dst_pending_confirm = 0; out: list_for_each_entry_safe(chunk, tmp, &packet->chunk_list, list) { @@ -700,18 +704,15 @@ static sctp_xmit_t sctp_packet_can_append_data(struct sctp_packet *packet, * unacknowledged. */ - if (sctp_sk(asoc->base.sk)->nodelay) - /* Nagle disabled */ + if ((sctp_sk(asoc->base.sk)->nodelay || inflight == 0) && + !chunk->msg->force_delay) + /* Nothing unacked */ return SCTP_XMIT_OK; if (!sctp_packet_empty(packet)) /* Append to packet */ return SCTP_XMIT_OK; - if (inflight == 0) - /* Nothing unacked */ - return SCTP_XMIT_OK; - if (!sctp_state(asoc, ESTABLISHED)) return SCTP_XMIT_OK; |