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bdbbb8527b
linux/net
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Eric Dumazet bdbbb8527b ipv4: tcp: get rid of ugly unicast_sock 
In commit be9f4a44e7 ("ipv4: tcp: remove per net tcp_sock")
I tried to address contention on a socket lock, but the solution
I chose was horrible :

commit 3a7c384ffd ("ipv4: tcp: unicast_sock should not land outside
of TCP stack") addressed a selinux regression.

commit 0980e56e50 ("ipv4: tcp: set unicast_sock uc_ttl to -1")
took care of another regression.

commit b5ec8eeac4 ("ipv4: fix ip_send_skb()") fixed another regression.

commit 811230cd85 ("tcp: ipv4: initialize unicast_sock sk_pacing_rate")
was another shot in the dark.

Really, just use a proper socket per cpu, and remove the skb_orphan()
call, to re-enable flow control.

This solves a serious problem with FQ packet scheduler when used in
hostile environments, as we do not want to allocate a flow structure
for every RST packet sent in response to a spoofed packet.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-01 23:06:19 -08:00
..
6lowpan net/6lowpan: Remove FSF address from GPL statement. 2014-12-05 12:43:04 +01:00
9p 9p/trans_virtio: enable VQs early 2014-10-15 10:25:04 +10:30
802
8021q vlan: Add ability to always enable TSO/UFO 2014-12-12 10:58:53 -05:00
appletalk new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
atm put iov_iter into msghdr 2014-12-09 16:29:03 -05:00
ax25 new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
batman-adv batman-adv: fix potential TT client + orig-node memory leak 2015-01-06 11:07:01 +01:00
bluetooth Bluetooth: Fix accepting connections when not using mgmt 2014-12-24 20:02:00 +01:00
bridge bridge: only provide proxy ARP when CONFIG_INET is enabled 2015-01-14 15:08:02 -05:00
caif caif: remove wrong dev_net_set() call 2015-01-29 14:20:02 -08:00
can can: fix spelling errors 2014-12-07 21:22:05 +01:00
ceph libceph: fix sparse endianness warnings 2015-01-08 20:36:57 +03:00
core net: Fix vlan_get_protocol for stacked vlan 2015-01-30 18:03:47 -08:00
dcb dcbnl : Disable software interrupts before taking dcb_lock 2014-11-16 14:50:52 -05:00
dccp net: introduce helper macro for_each_cmsghdr 2014-12-10 22:41:55 -05:00
decnet new helper: memcpy_to_msg() 2014-11-24 04:28:51 -05:00
dns_resolver Merge commit 'v3.16' into next 2014-10-01 00:44:04 +10:00
dsa net: dsa: set slave MII bus PHY mask 2015-01-25 16:00:54 -08:00
ethernet net: Add function for parsing the header length out of linear ethernet frames 2014-09-05 17:47:02 -07:00
hsr
ieee802154 Merge tag 'master-2014-12-08' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next 2014-12-09 18:12:03 -05:00
ipv4 ipv4: tcp: get rid of ugly unicast_sock 2015-02-01 23:06:19 -08:00
ipv6 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2015-01-27 00:28:38 -08:00
ipx switch ipxrtr_route_packet() from iovec to msghdr 2014-11-24 04:28:49 -05:00
irda irda: Convert function pointer arrays and uses to const 2014-12-10 15:33:16 -05:00
iucv net: introduce helper macro for_each_cmsghdr 2014-12-10 22:41:55 -05:00
key new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
l2tp ip_generic_getfrag, udplite_getfrag: switch to passing msghdr 2014-12-09 16:28:22 -05:00
lapb lapb: move EXPORT_SYMBOL after functions. 2014-10-24 15:51:42 -04:00
llc net: llc: use correct size for sysctl timeout entries 2015-01-25 00:23:21 -08:00
mac80211 mac80211: properly set CCK flag in radiotap 2015-01-23 10:53:58 +01:00
mac802154 mac802154: use goto label on failure 2014-12-05 14:18:42 +01:00
mpls mpls: Fix allowed protocols for mpls gso 2014-12-23 23:57:31 -05:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2015-01-12 00:14:49 -05:00
netlabel netlabel: kernel-doc warning fix 2014-10-09 01:40:05 -04:00
netlink netlink: fix wrong subscription bitmask to group mapping in 2015-01-30 17:43:47 -08:00
netrom new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
nfc Merge tag 'master-2014-12-08' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next 2014-12-09 18:12:03 -05:00
openvswitch openvswitch: packet messages need their own probe attribtue 2015-01-14 16:49:44 -05:00
packet packet: bail out of packet_snd() if L2 header creation fails 2015-01-11 21:54:03 -05:00
phonet new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
rds rds: Fix min() warning in rds_message_inc_copy_to_user() 2014-12-15 11:49:09 -05:00
rfkill Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
rose new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
rxrpc net: introduce helper macro for_each_cmsghdr 2014-12-10 22:41:55 -05:00
sched net: cls_bpf: fix auto generation of per list handles 2015-01-26 15:50:19 -08:00
sctp net: sctp: fix passing wrong parameter header to param_type2af in sctp_process_param 2015-01-30 17:45:23 -08:00
sunrpc rpc: fix xdr_truncate_encode to handle buffer ending on page boundary 2015-01-07 14:03:58 -05:00
switchdev bridge: call netdev_sw_port_stp_update when bridge port STP status changes 2014-12-02 20:01:22 -08:00
tipc tipc: fix bug in broadcast retransmit code 2015-01-12 16:01:59 -05:00
unix put iov_iter into msghdr 2014-12-09 16:29:03 -05:00
vmw_vsock put iov_iter into msghdr 2014-12-09 16:29:03 -05:00
wimax wimax: convert printk to pr_foo() 2014-10-07 20:28:44 -04:00
wireless Another set of last-minute fixes: 2015-01-26 17:32:24 -08:00
x25 new helper: memcpy_from_msg() 2014-11-24 04:28:48 -05:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2014-12-08 21:30:21 -05:00
compat.c put iov_iter into msghdr 2014-12-09 16:29:03 -05:00
Kconfig net: introduce generic switch devices support 2014-12-02 20:01:20 -08:00
Makefile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-16 15:53:03 -08:00
socket.c net: don't OOPS on socket aio 2015-01-27 12:25:33 -08:00
sysctl_net.c