Herbert Xu 843925f33f tcp: Do not apply TSO segment limit to non-TSO packets ... Thomas Jarosch reported IPsec TCP stalls when a PMTU event occurs. In fact the problem was completely unrelated to IPsec. The bug is also reproducible if you just disable TSO/GSO. The problem is that when the MSS goes down, existing queued packet on the TX queue that have not been transmitted yet all look like TSO packets and get treated as such. This then triggers a bug where tcp_mss_split_point tells us to generate a zero-sized packet on the TX queue. Once that happens we're screwed because the zero-sized packet can never be removed by ACKs. Fixes: 1485348d24 ("tcp: Apply device TSO segment limit earlier") Reported-by: Thomas Jarosch <thomas.jarosch@intra2net.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Cheers, Signed-off-by: David S. Miller <davem@davemloft.net>		2015-01-02 16:13:20 -05:00
..
netfilter	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2014-12-11 14:27:06 -08:00
Kconfig	net: Move fou_build_header into fou.c and refactor	2014-11-05 16:30:02 -05:00
Makefile	net: Add Geneve tunneling protocol driver	2014-10-06 00:32:20 -04:00
af_inet.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2014-11-29 20:47:48 -08:00
ah4.c	…
arp.c	neigh: remove dynamic neigh table registration support	2014-11-11 15:23:54 -05:00
cipso_ipv4.c	cipso: remove NULL assignment on static	2014-11-04 15:09:52 -05:00
datagram.c	…
devinet.c	…
esp4.c	net: esp: Convert NETDEBUG to pr_info	2014-11-06 15:11:10 -05:00
fib_frontend.c	…
fib_lookup.h	…
fib_rules.c	ipv4: Fix incorrect error code when adding an unreachable route	2014-11-16 14:11:45 -05:00
fib_semantics.c	ipv4: fix nexthop attlen check in fib_nh_match	2014-10-14 15:59:37 -04:00
fib_trie.c	fib_trie: Fix trie balancing issue if new node pushes down existing node	2014-12-12 10:58:53 -05:00
fou.c	gue: Call remcsum_adjust	2014-11-26 12:25:44 -05:00
geneve.c	openvswitch: Fix vport_send double free	2014-12-23 23:57:31 -05:00
gre_demux.c	…
gre_offload.c	gre: Set inner mac header in gro complete	2014-12-05 21:18:34 -08:00
icmp.c	icmp: Remove some spurious dropped packet profile hits from the ICMP path	2014-11-18 15:28:28 -05:00
igmp.c	ipv6: mld: fix add_grhead skb_over_panic for devs with large MTUs	2014-11-16 16:55:06 -05:00
inet_connection_sock.c	…
inet_diag.c	…
inet_fragment.c	net: Convert LIMIT_NETDEBUG to net_dbg_ratelimited	2014-11-11 14:10:31 -05:00
inet_hashtables.c	…
inet_lro.c	…
inet_timewait_sock.c	…
inetpeer.c	…
ip_forward.c	…
ip_fragment.c	net: Convert LIMIT_NETDEBUG to net_dbg_ratelimited	2014-11-11 14:10:31 -05:00
ip_gre.c	gre: fix the inner mac header in nbma tunnel xmit path	2014-12-15 11:46:04 -05:00
ip_input.c	…
ip_options.c	ipv4: rename ip_options_echo to __ip_options_echo()	2014-09-28 16:35:42 -04:00
ip_output.c	put iov_iter into msghdr	2014-12-09 16:29:03 -05:00
ip_sockglue.c	net: introduce helper macro for_each_cmsghdr	2014-12-10 22:41:55 -05:00
ip_tunnel.c	ip_tunnel: Add missing validation of encap type to ip_tunnel_encap_setup()	2014-12-16 15:20:41 -05:00
ip_tunnel_core.c	ipv4: fix a potential use after free in ip_tunnel_core.c	2014-10-17 23:45:26 -04:00
ip_vti.c	ip_tunnel: the lack of vti_link_ops' dellink() cause kernel panic	2014-11-23 21:11:17 -05:00
ipcomp.c	…
ipconfig.c	ipv4: remove 0/NULL assignment on static	2014-11-04 15:09:52 -05:00
ipip.c	fou: Fix typo in returning flags in netlink	2014-11-05 22:18:20 -05:00
ipmr.c	…
netfilter.c	…
ping.c	put iov_iter into msghdr	2014-12-09 16:29:03 -05:00
proc.c	tcp_cubic: add SNMP counters to track how effective is Hystart	2014-12-09 14:58:23 -05:00
protocol.c	net: Export inet_offloads and inet6_offloads	2014-09-19 17:15:31 -04:00
raw.c	put iov_iter into msghdr	2014-12-09 16:29:03 -05:00
route.c	ipv4: Do not cache routing failures due to disabled forwarding.	2014-10-30 19:20:40 -04:00
syncookies.c	net: allow setting ecn via routing table	2014-11-04 16:06:09 -05:00
sysctl_net_ipv4.c	tcp: allow for bigger reordering level	2014-10-29 15:05:15 -04:00
tcp.c	Merge branch 'for-davem-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2014-12-10 13:17:23 -05:00
tcp_bic.c	…
tcp_cong.c	tcp: spelling s/plugable/pluggable	2014-11-04 15:09:52 -05:00
tcp_cubic.c	tcp_cubic: refine Hystart delay threshold	2014-12-09 14:58:23 -05:00
tcp_dctcp.c	net: tcp: add DCTCP congestion control algorithm	2014-09-29 00:13:10 -04:00
tcp_diag.c	…
tcp_fastopen.c	tcp: remove unnecessary assignment.	2014-09-29 12:31:12 -04:00
tcp_highspeed.c	…
tcp_htcp.c	…
tcp_hybla.c	…
tcp_illinois.c	…
tcp_input.c	switch tcp_sock->ucopy from iovec (ucopy.iov) to msghdr (ucopy.msg)	2014-12-09 16:28:22 -05:00
tcp_ipv4.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2014-12-10 15:48:20 -05:00
tcp_lp.c	…
tcp_memcontrol.c	mm: memcontrol: lockless page counters	2014-12-10 17:41:04 -08:00
tcp_metrics.c	…
tcp_minisocks.c	tcp: change TCP_ECN prefixes to lower case	2014-09-29 14:41:22 -04:00
tcp_offload.c	net: Remove MPLS GSO feature.	2014-11-05 23:52:33 -08:00
tcp_output.c	tcp: Do not apply TSO segment limit to non-TSO packets	2015-01-02 16:13:20 -05:00
tcp_probe.c	…
tcp_scalable.c	…
tcp_timer.c	net: Convert LIMIT_NETDEBUG to net_dbg_ratelimited	2014-11-11 14:10:31 -05:00
tcp_vegas.c	…
tcp_vegas.h	…
tcp_veno.c	…
tcp_westwood.c	net: tcp: split ack slow/fast events from cwnd_event	2014-09-29 00:13:10 -04:00
tcp_yeah.c	…
tunnel4.c	…
udp.c	ip_generic_getfrag, udplite_getfrag: switch to passing msghdr	2014-12-09 16:28:22 -05:00
udp_diag.c	…
udp_impl.h	…
udp_offload.c	net: Remove MPLS GSO feature.	2014-11-05 23:52:33 -08:00
udp_tunnel.c	udp-tunnel: Add a few more UDP tunnel APIs	2014-09-19 15:57:15 -04:00
udplite.c	…
xfrm4_input.c	…
xfrm4_mode_beet.c	…
xfrm4_mode_transport.c	…
xfrm4_mode_tunnel.c	…
xfrm4_output.c	…
xfrm4_policy.c	…
xfrm4_protocol.c	…
xfrm4_state.c	…
xfrm4_tunnel.c	…