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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 07:55:01 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 07:55:01 -0800 |
commit | d7fc02c7bae7b1cf69269992cf880a43a350cdaa (patch) | |
tree | a43d56fa72913a1cc98a0bbebe054d08581b3a7c /net/sctp/output.c | |
parent | ee1262dbc65ce0b6234a915d8432171e8d77f518 (diff) | |
parent | 28b4d5cc17c20786848cdc07b7ea237a309776bb (diff) | |
download | op-kernel-dev-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.zip op-kernel-dev-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1815 commits)
mac80211: fix reorder buffer release
iwmc3200wifi: Enable wimax core through module parameter
iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter
iwmc3200wifi: Coex table command does not expect a response
iwmc3200wifi: Update wiwi priority table
iwlwifi: driver version track kernel version
iwlwifi: indicate uCode type when fail dump error/event log
iwl3945: remove duplicated event logging code
b43: fix two warnings
ipw2100: fix rebooting hang with driver loaded
cfg80211: indent regulatory messages with spaces
iwmc3200wifi: fix NULL pointer dereference in pmkid update
mac80211: Fix TX status reporting for injected data frames
ath9k: enable 2GHz band only if the device supports it
airo: Fix integer overflow warning
rt2x00: Fix padding bug on L2PAD devices.
WE: Fix set events not propagated
b43legacy: avoid PPC fault during resume
b43: avoid PPC fault during resume
tcp: fix a timewait refcnt race
...
Fix up conflicts due to sysctl cleanups (dead sysctl_check code and
CTL_UNNUMBERED removed) in
kernel/sysctl_check.c
net/ipv4/sysctl_net_ipv4.c
net/ipv6/addrconf.c
net/sctp/sysctl.c
Diffstat (limited to 'net/sctp/output.c')
-rw-r--r-- | net/sctp/output.c | 50 |
1 files changed, 13 insertions, 37 deletions
diff --git a/net/sctp/output.c b/net/sctp/output.c index 5cbda8f..7c55893 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -429,23 +429,22 @@ int sctp_packet_transmit(struct sctp_packet *packet) list_del_init(&chunk->list); if (sctp_chunk_is_data(chunk)) { - if (!chunk->has_tsn) { - sctp_chunk_assign_ssn(chunk); - sctp_chunk_assign_tsn(chunk); - - /* 6.3.1 C4) When data is in flight and when allowed - * by rule C5, a new RTT measurement MUST be made each - * round trip. Furthermore, new RTT measurements - * SHOULD be made no more than once per round-trip - * for a given destination transport address. - */ + if (!chunk->resent) { + + /* 6.3.1 C4) When data is in flight and when allowed + * by rule C5, a new RTT measurement MUST be made each + * round trip. Furthermore, new RTT measurements + * SHOULD be made no more than once per round-trip + * for a given destination transport address. + */ if (!tp->rto_pending) { chunk->rtt_in_progress = 1; tp->rto_pending = 1; } - } else - chunk->resent = 1; + } + + chunk->resent = 1; has_data = 1; } @@ -557,8 +556,6 @@ int sctp_packet_transmit(struct sctp_packet *packet) struct timer_list *timer; unsigned long timeout; - tp->last_time_used = jiffies; - /* Restart the AUTOCLOSE timer when sending data. */ if (sctp_state(asoc, ESTABLISHED) && asoc->autoclose) { timer = &asoc->timers[SCTP_EVENT_TIMEOUT_AUTOCLOSE]; @@ -617,7 +614,6 @@ static sctp_xmit_t sctp_packet_can_append_data(struct sctp_packet *packet, sctp_xmit_t retval = SCTP_XMIT_OK; size_t datasize, rwnd, inflight, flight_size; struct sctp_transport *transport = packet->transport; - __u32 max_burst_bytes; struct sctp_association *asoc = transport->asoc; struct sctp_outq *q = &asoc->outqueue; @@ -650,28 +646,6 @@ static sctp_xmit_t sctp_packet_can_append_data(struct sctp_packet *packet, } } - /* sctpimpguide-05 2.14.2 - * D) When the time comes for the sender to - * transmit new DATA chunks, the protocol parameter Max.Burst MUST - * first be applied to limit how many new DATA chunks may be sent. - * The limit is applied by adjusting cwnd as follows: - * if ((flightsize + Max.Burst * MTU) < cwnd) - * cwnd = flightsize + Max.Burst * MTU - */ - max_burst_bytes = asoc->max_burst * asoc->pathmtu; - if ((flight_size + max_burst_bytes) < transport->cwnd) { - transport->cwnd = flight_size + max_burst_bytes; - SCTP_DEBUG_PRINTK("%s: cwnd limited by max_burst: " - "transport: %p, cwnd: %d, " - "ssthresh: %d, flight_size: %d, " - "pba: %d\n", - __func__, transport, - transport->cwnd, - transport->ssthresh, - transport->flight_size, - transport->partial_bytes_acked); - } - /* RFC 2960 6.1 Transmission of DATA Chunks * * B) At any given time, the sender MUST NOT transmit new data @@ -747,6 +721,8 @@ static void sctp_packet_append_data(struct sctp_packet *packet, /* Has been accepted for transmission. */ if (!asoc->peer.prsctp_capable) chunk->msg->can_abandon = 0; + sctp_chunk_assign_tsn(chunk); + sctp_chunk_assign_ssn(chunk); } static sctp_xmit_t sctp_packet_will_fit(struct sctp_packet *packet, |