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linux-hardened/net/ipv4
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Pravin B Shelar c9af6db4c1 net: Fix possible wrong checksum generation. 
Patch cef401de7b (net: fix possible wrong checksum
generation) fixed wrong checksum calculation but it broke TSO by
defining new GSO type but not a netdev feature for that type.
net_gso_ok() would not allow hardware checksum/segmentation
offload of such packets without the feature.

Following patch fixes TSO and wrong checksum. This patch uses
same logic that Eric Dumazet used. Patch introduces new flag
SKBTX_SHARED_FRAG if at least one frag can be modified by
the user. but SKBTX_SHARED_FRAG flag is kept in skb shared
info tx_flags rather than gso_type.

tx_flags is better compared to gso_type since we can have skb with
shared frag without gso packet. It does not link SHARED_FRAG to
GSO, So there is no need to define netdev feature for this.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-13 13:30:10 -05:00
..
netfilter net: remove redundant check for timer pending state before del_timer 2013-02-04 13:26:49 -05:00
af_inet.c net: Fix possible wrong checksum generation. 2013-02-13 13:30:10 -05:00
ah4.c xfrm4: Invalidate all ipv4 routes on IPsec pmtu events 2013-01-21 12:43:54 +01:00
arp.c arp: fix possible crash in arp_rcv() 2013-02-10 20:39:39 -05:00
cipso_ipv4.c cipso: don't follow a NULL pointer when setsockopt() is called 2012-07-18 09:01:12 -07:00
datagram.c ipv4: Add a socket release callback for datagram sockets 2013-01-21 14:17:05 -05:00
devinet.c ipv4: introduce address lifetime 2013-01-29 13:59:57 -05:00
esp4.c xfrm4: Invalidate all ipv4 routes on IPsec pmtu events 2013-01-21 12:43:54 +01:00
fib_frontend.c ipv4: fib: fix a comment. 2013-01-11 15:58:08 -08:00
fib_lookup.h ipv4: Fix nexthop caching wrt. scoping. 2011-03-24 18:06:47 -07:00
fib_rules.c sections: fix section conflicts in net 2012-10-06 03:04:45 +09:00
fib_semantics.c ipv4: 16 slots in initial fib_info hash table 2012-10-22 14:29:06 -04:00
fib_trie.c ipv4/route: arg delay is useless in rt_cache_flush() 2012-09-18 15:44:34 -04:00
gre.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00
icmp.c ipv4: avoid passing NULL to inet_putpeer() in icmpv4_xrlim_allow() 2012-11-26 17:24:41 -05:00
igmp.c igmp: export symbol ip_mc_leave_group 2012-10-01 18:39:44 -04:00
inet_connection_sock.c soreuseport: fix use of uid in tb->fastuid 2013-01-27 01:01:42 -05:00
inet_diag.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-12-12 18:07:07 -08:00
inet_fragment.c net: frag, move LRU list maintenance outside of rwlock 2013-01-29 13:36:24 -05:00
inet_hashtables.c soreuseport: TCP/IPv4 implementation 2013-01-23 13:44:01 -05:00
inet_lro.c net: add skb frag size accessors 2011-10-19 03:10:46 -04:00
inet_timewait_sock.c net: ipv4 and ipv6: Convert printk(KERN_DEBUG to pr_debug 2012-05-16 01:01:03 -04:00
inetpeer.c Merge branch 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 2012-10-02 09:54:49 -07:00
ip_forward.c ipv4: introduce rt_uses_gateway 2012-10-08 17:42:36 -04:00
ip_fragment.c net: frag, move LRU list maintenance outside of rwlock 2013-01-29 13:36:24 -05:00
ip_gre.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-01-29 15:32:13 -05:00
ip_input.c ipv4: Disallow non-namespace aware protocols to register. 2013-02-05 14:42:23 -05:00
ip_options.c net: Allow userns root to control ipv4 2012-11-18 20:32:45 -05:00
ip_output.c net: Fix possible wrong checksum generation. 2013-02-13 13:30:10 -05:00
ip_sockglue.c net: prevent setting ttl=0 via IP_TTL 2013-01-08 17:57:10 -08:00
ip_vti.c net: Allow userns root to control ipv4 2012-11-18 20:32:45 -05:00
ipcomp.c ipcomp: Mark as netns_ok. 2013-02-04 15:46:15 -05:00
ipconfig.c net/ipv4/ipconfig: really display the BOOTP/DHCP server's address. 2013-01-04 15:14:14 -08:00
ipip.c net: fix possible wrong checksum generation 2013-01-28 00:27:15 -05:00
ipmr.c ipmr: fix sparse warning when testing origin or group 2013-01-22 14:24:29 -05:00
Kconfig net/ipv4: VTI support new module for ip_vti. 2012-07-18 09:36:12 -07:00
Makefile memcg: rename config variables 2012-07-31 18:42:43 -07:00
netfilter.c netfilter: properly annotate ipv4_netfilter_{init,fini}() 2012-09-03 13:56:04 +02:00
ping.c ipv4: Add a socket release callback for datagram sockets 2013-01-21 14:17:05 -05:00
proc.c tcp: TCP Fast Open Server - header & support functions 2012-08-31 20:02:18 -04:00
protocol.c ipv4: Disallow non-namespace aware protocols to register. 2013-02-05 14:42:23 -05:00
raw.c ipv4: Add a socket release callback for datagram sockets 2013-01-21 14:17:05 -05:00
route.c ipv4: Fix route refcount on pmtu discovery 2013-01-22 14:23:17 -05:00
syncookies.c tcp: make sysctl_tcp_ecn namespace aware 2013-01-06 21:09:56 -08:00
sysctl_net_ipv4.c tcp: remove Appropriate Byte Count support 2013-02-05 14:51:16 -05:00
tcp.c net: Fix possible wrong checksum generation. 2013-02-13 13:30:10 -05:00
tcp_bic.c tcp: fix undo after RTO for BIC 2012-01-20 14:17:26 -05:00
tcp_cong.c tcp: remove Appropriate Byte Count support 2013-02-05 14:51:16 -05:00
tcp_cubic.c tcp: fix undo after RTO for CUBIC 2012-01-20 14:17:26 -05:00
tcp_diag.c inet_diag: Rename inet_diag_req into inet_diag_req_v2 2012-01-11 12:56:06 -08:00
tcp_fastopen.c tcp: TCP Fast Open Server - header & support functions 2012-08-31 20:02:18 -04:00
tcp_highspeed.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_htcp.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_hybla.c tcp: bool conversions 2012-05-17 14:59:59 -04:00
tcp_illinois.c net: fix divide by zero in tcp algorithm illinois 2012-11-01 11:55:59 -04:00
tcp_input.c net: Fix possible wrong checksum generation. 2013-02-13 13:30:10 -05:00
tcp_ipv4.c tcp: send packets with a socket timestamp 2013-02-13 13:22:16 -05:00
tcp_lp.c Fix common misspellings 2011-03-31 11:26:23 -03:00
tcp_memcontrol.c memcg: decrement static keys at real destroy time 2012-05-29 16:22:28 -07:00
tcp_metrics.c tcp: handle tcp_net_metrics_init() order-5 memory allocation failures 2012-11-16 13:36:27 -05:00
tcp_minisocks.c tcp: send packets with a socket timestamp 2013-02-13 13:22:16 -05:00
tcp_output.c net: Fix possible wrong checksum generation. 2013-02-13 13:30:10 -05:00
tcp_probe.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
tcp_scalable.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_timer.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-11-10 18:32:51 -05:00
tcp_vegas.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_vegas.h
tcp_veno.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_westwood.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_yeah.c Fix common misspellings 2011-03-31 11:26:23 -03:00
tunnel4.c net: Convert printks to pr_<level> 2012-03-11 23:42:51 -07:00
udp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-01-29 15:32:13 -05:00
udp_diag.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
udp_impl.h ipv4: fix checkpatch errors 2012-04-15 12:37:19 -04:00
udplite.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00
xfrm4_input.c ipv4: Fix input route performance regression. 2012-07-26 15:50:39 -07:00
xfrm4_mode_beet.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c net/ipv4: VTI support rx-path hook in xfrm4_mode_tunnel. 2012-07-18 09:36:12 -07:00
xfrm4_output.c xfrm4: Don't call icmp_send on local error 2011-07-01 17:33:19 -07:00
xfrm4_policy.c xfrm: Fix the gc threshold value for ipv4 2012-11-13 09:15:07 +01:00
xfrm4_state.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
xfrm4_tunnel.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00