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774df9928fd150d9d7cc0c1924ece04591cb4652
i2som-imx-linux/include/net
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Eric Dumazet 94caec8ce7 ipv4: tcp: get rid of ugly unicast_sock 
[ Upstream commit bdbbb8527b ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-02-26 17:50:12 -08:00
..
9p
Merge tag 'for-linus-3.12-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
2013-09-11 12:34:13 -07:00
bluetooth
Bluetooth: Add quirk for disabling Delete Stored Link Key command
2014-01-04 20:10:40 +02:00
caif
caif_hsi.h: Remove extern from function prototypes
2013-09-23 16:29:41 -04:00
irda
include/net/: Fix FSF address in file headers
2013-12-06 12:37:56 -05:00
iucv
…
netfilter
netfilter: nf_conntrack: reserve two bytes for nf_ct_ext->len
2014-05-31 13:20:27 -07:00
netns
ipv4: tcp: get rid of ugly unicast_sock
2015-02-26 17:50:12 -08:00
nfc
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
2014-01-17 14:43:17 -05:00
phonet
…
sctp
net: sctp: fix skb_over_panic when receiving malformed ASCONF chunks
2014-11-21 09:23:06 -08:00
tc_act
include/net/: Fix FSF address in file headers
2013-12-06 12:37:56 -05:00
act_api.h
net_sched: act: export tcf_hash_search() instead of tcf_hash_lookup()
2014-01-21 14:43:16 -08:00
addrconf.h
ipv6: enable anycast addresses as source addresses for datagrams
2014-01-22 21:57:05 -08:00
af_ieee802154.h
…
af_rxrpc.h
…
af_unix.h
…
af_vsock.h
vsock: Make transport the proto owner
2014-05-31 13:20:36 -07:00
ah.h
…
arp.h
arp: make arp_invalidate static
2013-12-28 17:02:46 -05:00
atmclip.h
…
ax25.h
…
ax88796.h
…
busy_poll.h
sched, net: Fixup busy_loop_us_clock()
2014-01-13 17:39:11 +01:00
cfg80211-wext.h
…
cfg80211.h
cfg80211: add cfg80211_sched_scan_stopped_rtnl
2014-06-07 10:28:10 -07:00
checksum.h
net: checksum: fix warning in skb_checksum
2013-11-04 15:27:08 -05:00
cipso_ipv4.h
cipso: cleanup cipso_v4_translate() when !CONFIG_NETLABEL
2013-12-10 17:56:54 -05:00
cls_cgroup.h
net: net_cls: move cgroupfs classid handling into core
2014-01-03 23:41:41 +01:00
codel.h
net: introduce reciprocal_scale helper and convert users
2014-01-21 23:17:20 -08:00
compat.h
compat.h: Remove extern from function prototypes
2013-09-20 14:49:32 -04:00
datalink.h
net: Move prototype declaration to header file include/net/datalink.h from net/ipx/af_ipx.c
2014-02-09 17:32:50 -08:00
dcbevent.h
include/net/: Fix FSF address in file headers
2013-12-06 12:37:56 -05:00
dcbnl.h
include/net/: Fix FSF address in file headers
2013-12-06 12:37:56 -05:00
dn_dev.h
dn_dev: add support for IFA_FLAGS nl attribute
2013-12-10 21:50:00 -05:00
dn_fib.h
decnet (dn*.h): Remove extern from function prototypes
2013-09-20 14:49:32 -04:00
dn_neigh.h
decnet (dn*.h): Remove extern from function prototypes
2013-09-20 14:49:32 -04:00
dn_nsp.h
decnet (dn*.h): Remove extern from function prototypes
2013-09-20 14:49:32 -04:00
dn_route.h
net: Move prototype declaration to appropriate header file from decnet/af_decnet.c
2014-02-09 17:32:49 -08:00
dn.h
net: Move prototype declaration to header file include/net/dn.h from net/decnet/af_decnet.c
2014-02-09 17:32:49 -08:00
dsa.h
…
dsfield.h
…
dst_ops.h
…
dst.h
xfrm: Generate queueing routes only from route lookup functions
2014-10-15 08:36:42 +02:00
esp.h
net: move pskb_put() to core code
2013-11-07 19:28:58 -05:00
ethoc.h
net: ethoc: set up MII management bus clock
2014-02-04 20:19:51 -08:00
fib_rules.h
fib_rules.h: Remove extern from function prototypes
2013-09-20 14:49:33 -04:00
firewire.h
…
flow_keys.h
flow_dissector: factor out the ports extraction in skb_flow_get_ports
2013-10-03 15:36:37 -04:00
flow.h
net: Remove FLOWI_FLAG_CAN_SLEEP
2013-12-06 07:24:39 +01:00
garp.h
garp.h: Remove extern from function prototypes
2013-09-20 14:49:33 -04:00
gen_stats.h
gen_stats.h: Remove extern from function prototypes
2013-09-20 14:49:33 -04:00
genetlink.h
genl: Add genlmsg_new_unicast() for unicast message allocation
2014-01-06 15:51:53 -08:00
gre.h
gre_offload: statically build GRE offloading support
2014-01-06 20:28:34 -05:00
gro_cells.h
…
icmp.h
icmp.h: Remove extern from function prototypes
2013-09-20 14:49:33 -04:00
ieee80211_radiotap.h
…
ieee802154_netdev.h
…
ieee802154.h
…
if_inet6.h
ipv6: move DAD and addrconf_verify processing to workqueue
2014-03-28 16:54:50 -04:00
inet6_connection_sock.h
inet*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
inet6_hashtables.h
ipv6: split inet6_ehashfn to hash functions per compilation unit
2013-10-19 19:45:34 -04:00
inet_common.h
inet*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
inet_connection_sock.h
tcp: fix tcp_release_cb() to dispatch via address family for mtu_reduced()
2014-10-15 08:36:40 +02:00
inet_ecn.h
…
inet_frag.h
inet: remove old fragmentation hash initializing
2013-10-23 17:01:41 -04:00
inet_hashtables.h
tcp/dccp: remove twchain
2013-10-08 23:19:24 -04:00
inet_sock.h
inet: convert inet_ehash_secret and ipv6_hash_secret to net_get_random_once
2013-10-19 19:45:35 -04:00
inet_timewait_sock.h
ipv6: tcp: fix flowlabel value in ACK messages send from TIME_WAIT
2014-01-17 17:56:33 -08:00
inetpeer.h
inetpeer: get rid of ip_id_count
2014-08-14 09:38:23 +08:00
ip6_checksum.h
net: fix build errors if ipv6 is disabled
2013-10-09 13:04:03 -04:00
ip6_fib.h
ipv6: remove prune parameter for fib6_clean_all
2014-01-02 03:30:35 -05:00
ip6_route.h
ipv6: Limit mtu to 65575 bytes
2014-05-31 13:20:33 -07:00
ip6_tunnel.h
net: unify the pcpu_tstats and br_cpu_netstats as one
2014-01-04 20:10:24 -05:00
ip_fib.h
ip*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
ip_tunnels.h
ip_tunnel(ipv4): fix tunnels with "local any remote $remote_ip"
2014-08-14 09:38:23 +08:00
ip_vs.h
netfilter: push reasm skb through instead of original frag skbs
2013-11-11 00:19:35 -05:00
ip.h
ipv4: tcp: get rid of ugly unicast_sock
2015-02-26 17:50:12 -08:00
ipcomp.h
…
ipconfig.h
…
ipv6.h
drivers/net, ipv6: Select IPv6 fragment idents for virtio UFO packets
2014-11-14 08:59:44 -08:00
ipx.h
net: Move prototype declaration to header file include/net/ipx.h from net/ipx/af_ipx.c
2014-02-09 17:32:50 -08:00
iw_handler.h
iw_handler.h: Remove extern from function prototypes
2013-09-21 14:01:39 -04:00
lapb.h
lapb.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
lib80211.h
…
llc_c_ac.h
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
llc_c_ev.h
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
llc_c_st.h
…
llc_conn.h
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
llc_if.h
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
llc_pdu.h
net: llc: fix order of evaluation in llc_conn_ac_inc_vr_by_1
2014-01-01 22:22:43 -05:00
llc_s_ac.h
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
llc_s_ev.h
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
llc_s_st.h
…
llc_sap.h
llc*.h: Remove extern from function prototypes
2013-09-21 14:01:38 -04:00
llc.h
llc: make lock static
2014-01-03 20:56:48 -05:00
mac80211.h
mac80211: handle MMPDUs at EOSP correctly
2014-01-10 09:50:02 +01:00
mac802154.h
mac802154: correct a typo in ieee802154_alloc_device() prototype
2013-10-21 18:56:23 -04:00
mip6.h
include/net/: Fix FSF address in file headers
2013-12-06 12:37:56 -05:00
mld.h
net: ipv6: mld: get rid of MLDV2_MRC and simplify calculation
2013-09-04 14:53:20 -04:00
mrp.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-10-01 17:06:14 -04:00
ndisc.h
ndisc.h: Remove extern from function prototypes
2013-09-21 14:01:39 -04:00
neighbour.h
neigh: use NEIGH_VAR_INIT in ndo_neigh_setup functions.
2014-01-16 11:31:58 -08:00
net_namespace.h
net: Move prototype declaration to header file include/net/net_namespace.h from net/ipx/af_ipx.c
2014-02-09 17:32:50 -08:00
net_ratelimit.h
…
netdma.h
…
netevent.h
netevent/netlink.h: Remove extern from function prototypes
2013-09-21 14:01:39 -04:00
netlabel.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2014-01-25 11:17:34 -08:00
netlink.h
netevent/netlink.h: Remove extern from function prototypes
2013-09-21 14:01:39 -04:00
netprio_cgroup.h
net: netprio: rename config to be more consistent with cgroup configs
2014-01-03 23:41:42 +01:00
netrom.h
netrom.h: Remove extern from function prototypes
2013-09-21 14:01:39 -04:00
nexthop.h
…
nl802154.h
…
p8022.h
p8022.h: Remove extern from function prototypes
2013-09-21 14:01:39 -04:00
ping.h
ipv6: make IPV6_RECVPKTINFO work for ipv4 datagrams
2014-01-19 19:53:18 -08:00
pkt_cls.h
net_sched: optimize tcf_match_indev()
2014-01-13 11:50:15 -08:00
pkt_sched.h
pkt_sched: give visibility to mq slave qdiscs
2013-12-09 19:54:47 -05:00
protocol.h
net: Add GRO support for UDP encapsulating protocols
2014-01-21 18:05:04 -08:00
psnap.h
psnap.h: Remove extern from function prototypes
2013-09-23 01:51:08 -04:00
raw.h
raw/rawv6.h: Remove extern from function prototypes
2013-09-23 01:51:08 -04:00
rawv6.h
raw/rawv6.h: Remove extern from function prototypes
2013-09-23 01:51:08 -04:00
red.h
reciprocal_divide: update/correction of the algorithm
2014-01-21 23:17:20 -08:00
regulatory.h
regulatory: add NUL to alpha2
2014-10-05 14:52:20 -07:00
request_sock.h
inet: includes a sock_common in request_sock
2013-10-10 00:08:07 -04:00
rose.h
rose.h: Remove extern from function prototypes
2013-09-23 01:51:08 -04:00
route.h
ipv4: introduce ip_dst_mtu_maybe_forward and protect forwarding path against pmtu spoofing
2014-01-13 11:22:54 -08:00
rtnetlink.h
rtnetlink: provide api for getting and setting slave info
2014-01-22 21:57:05 -08:00
sch_generic.h
net_sched: add struct net pointer to tcf_proto_ops->dump
2014-01-13 11:50:14 -08:00
scm.h
scm.h: Remove extern from function prototypes
2013-09-23 01:51:09 -04:00
secure_seq.h
inetpeer: get rid of ip_id_count
2014-08-14 09:38:23 +08:00
slhc_vj.h
…
snmp.h
…
sock.h
tcp: fix tcp_release_cb() to dispatch via address family for mtu_reduced()
2014-10-15 08:36:40 +02:00
Space.h
drivers: net: Include new header file in sbni.c
2013-12-19 18:51:20 -05:00
stp.h
stp.h: Remove extern from function prototypes
2013-09-23 01:51:09 -04:00
tcp_memcontrol.h
tcp_memcontrol: Kill struct tcp_memcontrol
2013-10-21 18:43:02 -04:00
tcp_states.h
…
tcp.h
tcp: fix tcp_release_cb() to dispatch via address family for mtu_reduced()
2014-10-15 08:36:40 +02:00
timewait_sock.h
…
transp_v6.h
ipv6: make IPV6_RECVPKTINFO work for ipv4 datagrams
2014-01-19 19:53:18 -08:00
udp.h
udp: Remove unnecessary semicolon from do{}while (0) macro
2013-11-07 02:14:33 -05:00
udplite.h
udplite.h: Remove extern from function prototypes
2013-09-23 16:29:40 -04:00
vsock_addr.h
…
vxlan.h
net: Add GRO support for vxlan traffic
2014-01-21 18:05:04 -08:00
wext.h
wext.h: Remove extern from function prototypes
2013-09-23 16:29:40 -04:00
wimax.h
wimax.h: Remove extern from function prototypes
2013-09-23 16:29:41 -04:00
wpan-phy.h
…
x25.h
x25.h: Remove extern from function prototypes
2013-09-23 16:29:41 -04:00
x25device.h
…
xfrm.h
xfrm: Clone states properly on migration
2014-02-20 14:30:10 +01:00