linux/net
lucien 8a0d19c5ed sctp: start t5 timer only when peer rwnd is 0 and local state is SHUTDOWN_PENDING
when A sends a data to B, then A close() and enter into SHUTDOWN_PENDING
state, if B neither claim his rwnd is 0 nor send SACK for this data, A
will keep retransmitting this data until t5 timeout, Max.Retrans times
can't work anymore, which is bad.

if B's rwnd is not 0, it should send abort after Max.Retrans times, only
when B's rwnd == 0 and A's retransmitting beyonds Max.Retrans times, A
will start t5 timer, which is also commit f8d9605243 ("sctp: Enforce
retransmission limit during shutdown") means, but it lacks the condition
peer rwnd == 0.

so fix it by adding a bit (zero_window_announced) in peer to record if
the last rwnd is 0. If it was, zero_window_announced will be set. and use
this bit to decide if start t5 timer when local.state is SHUTDOWN_PENDING.

Fixes: commit f8d9605243 ("sctp: Enforce retransmission limit during shutdown")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-06 22:31:51 -05:00
..
6lowpan 6lowpan: put mcast compression in an own function 2015-10-21 00:49:25 +02:00
9p IB/cma: Add support for network namespaces 2015-10-28 12:32:48 -04:00
802
8021q vlan: Do not put vlan headers back on bridge and macvlan ports 2015-11-17 14:38:35 -05:00
appletalk
atm atm: deal with setting entry before mkip was called 2015-09-17 22:13:32 -07:00
ax25 NET: AX.25: Stop heartbeat timer on disconnect. 2015-07-15 15:59:58 -07:00
batman-adv batman-adv: turn batadv_neigh_node_get() into local function 2015-08-27 20:15:34 +02:00
bluetooth Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth 2015-12-03 12:04:05 -05:00
bridge switchdev: bridge: Check return code is not EOPNOTSUPP 2015-11-16 14:56:03 -05:00
caif net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
can can: avoid using timeval for uapi 2015-10-13 17:42:34 +02:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2015-11-13 09:24:40 -08:00
core sctp: update the netstamp_needed counter when copying sockets 2015-12-05 22:23:22 -05:00
dcb net/dcb: make dcbnl.c explicitly non-modular 2015-10-09 07:52:27 -07:00
dccp ipv6: kill sk_dst_lock 2015-12-03 11:32:06 -05:00
decnet net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
dns_resolver net: dns_resolver: convert time_t to time64_t 2015-11-18 16:27:46 -05:00
dsa net: dsa: use switchdev obj for VLAN add/del ops 2015-11-01 15:56:11 -05:00
ethernet net: help compiler generate better code in eth_get_headlen 2015-09-28 22:51:15 -07:00
hsr net/hsr: fix a warning message 2015-11-23 14:56:15 -05:00
ieee802154 net: fix percpu memory leaks 2015-11-02 22:47:14 -05:00
ipv4 ipv4: igmp: Allow removing groups from a removed interface 2015-12-03 12:07:05 -05:00
ipv6 ipv6: keep existing flags when setting IFA_F_OPTIMISTIC 2015-12-05 18:09:46 -05:00
ipx
irda TTY/Serial driver patches for 4.4-rc1 2015-11-04 21:35:12 -08:00
iucv net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
key af_key: fix two typos 2015-10-23 03:05:19 -07:00
l2tp ipv6: add complete rcu protection around np->opt 2015-12-02 23:37:16 -05:00
l3mdev net: Add netif_is_l3_slave 2015-10-07 04:27:43 -07:00
lapb
llc tcp: fix recv with flags MSG_WAITALL | MSG_PEEK 2015-07-27 01:06:53 -07:00
mac80211 mac80211: fix off-channel mgmt-tx uninitialized variable usage 2015-12-02 22:27:53 +01:00
mac802154 mac802154: llsec: use kzfree 2015-10-21 00:49:24 +02:00
mpls mpls: reduce memory usage of routes 2015-10-27 19:52:59 -07:00
netfilter ipvs: use skb_to_full_sk() helper 2015-11-15 18:39:48 -05:00
netlabel
netlink mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
netrom netfilter: Remove spurios included of netfilter.h 2015-06-18 21:14:32 +02:00
nfc net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
openvswitch openvswitch: fix hangup on vxlan/gre/geneve device deletion 2015-12-03 14:29:25 -05:00
packet packet: Allow packets with only a header (but no payload) 2015-11-29 22:17:17 -05:00
phonet
rds RDS: fix race condition when sending a message on unbound socket 2015-11-24 17:20:09 -05:00
rfkill rfkill: Copy "all" global state to other types 2015-09-04 14:26:56 +02:00
rose Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-06-24 02:58:51 -07:00
rxrpc net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
sched net_sched: fix qdisc_tree_decrease_qlen() races 2015-12-03 14:59:05 -05:00
sctp sctp: start t5 timer only when peer rwnd is 0 and local state is SHUTDOWN_PENDING 2015-12-06 22:31:51 -05:00
sunrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-12-03 16:02:46 -08:00
switchdev switchdev: respect SKIP_EOPNOTSUPP flag in case there is no recursion 2015-11-03 13:39:21 -05:00
tipc tipc: fix error handling of expanding buffer headroom 2015-11-24 11:26:19 -05:00
unix net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
vmw_vsock VSOCK: call sk->sk_data_ready() on accept() 2015-11-04 22:03:10 -05:00
wimax net:wimax: Fix doucble word "the the" in networking.xml 2015-08-09 22:43:52 -07:00
wireless cfg80211: allow AID/listen interval changes for unassociated station 2015-11-03 11:20:29 +01:00
x25
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2015-10-30 20:51:56 +09:00
compat.c
Kconfig net: Introduce L3 Master device abstraction 2015-09-29 20:40:32 -07:00
Makefile net: Introduce L3 Master device abstraction 2015-09-29 20:40:32 -07:00
socket.c net: fix sock_wake_async() rcu protection 2015-12-01 15:45:05 -05:00
sysctl_net.c net: sysctl: fix a kmemleak warning 2015-10-23 06:22:08 -07:00