Eric Dumazet 719f835853 udp: add rehash on connect() ... commit 30fff923 introduced in linux-2.6.33 (udp: bind() optimisation) added a secondary hash on UDP, hashed on (local addr, local port). Problem is that following sequence : fd = socket(...) connect(fd, &remote, ...) not only selects remote end point (address and port), but also sets local address, while UDP stack stored in secondary hash table the socket while its local address was INADDR_ANY (or ipv6 equivalent) Sequence is : - autobind() : choose a random local port, insert socket in hash tables [while local address is INADDR_ANY] - connect() : set remote address and port, change local address to IP given by a route lookup. When an incoming UDP frame comes, if more than 10 sockets are found in primary hash table, we switch to secondary table, and fail to find socket because its local address changed. One solution to this problem is to rehash datagram socket if needed. We add a new rehash(struct socket *) method in "struct proto", and implement this method for UDP v4 & v6, using a common helper. This rehashing only takes care of secondary hash table, since primary hash (based on local port only) is not changed. Reported-by: Krzysztof Piotr Oledzki <ole@ans.pl> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Tested-by: Krzysztof Piotr Oledzki <ole@ans.pl> Signed-off-by: David S. Miller <davem@davemloft.net>		2010-09-08 21:45:01 -07:00
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9p	net/9p: Implement TXATTRCREATE 9p call	2010-08-02 14:28:34 -05:00
bluetooth	Bluetooth: Use 3-DH5 payload size for default ERTM max PDU size	2010-08-10 07:59:11 -04:00
caif
irda	irda: Use __packed annotation instead IRDA_PACKED macro	2010-07-21 14:44:29 -07:00
iucv
netfilter	netfilter: nf_nat: make unique_tuple return void	2010-08-02 17:20:54 +02:00
netns
phonet
sctp
tc_act	net sched: fix race in mirred device removal	2010-07-24 21:04:20 -07:00
tipc
act_api.h
addrconf.h
af_ieee802154.h
af_rxrpc.h
af_unix.h
ah.h
arp.h
atmclip.h
ax25.h
ax88796.h
cfg80211.h	cfg80211: fix dev <-> wiphy typo	2010-07-29 12:55:00 -04:00
checksum.h
cipso_ipv4.h
cls_cgroup.h	cls_cgroup: Fix rcu lockdep warning	2010-09-03 09:55:24 -07:00
compat.h
datalink.h
dcbnl.h
dn_dev.h
dn_fib.h
dn_neigh.h
dn_nsp.h
dn_route.h
dn.h
dsa.h
dsfield.h
dst_ops.h
dst.h
esp.h
ethoc.h
fib_rules.h
flow.h
garp.h
gen_stats.h
genetlink.h
icmp.h
ieee80211_radiotap.h
ieee802154_netdev.h
ieee802154.h
if_inet6.h
inet6_connection_sock.h
inet6_hashtables.h
inet_common.h
inet_connection_sock.h
inet_ecn.h
inet_frag.h
inet_hashtables.h
inet_sock.h
inet_timewait_sock.h
inetpeer.h
ip6_checksum.h
ip6_fib.h
ip6_route.h
ip6_tunnel.h
ip_fib.h
ip_vs.h	ipvs: fix active FTP	2010-09-08 10:39:57 -07:00
ip.h
ipcomp.h
ipconfig.h
ipip.h
ipv6.h
ipx.h
iw_handler.h
lapb.h
lib80211.h	lib80211: remove unused host_build_iv option	2010-07-26 15:09:04 -04:00
llc_c_ac.h
llc_c_ev.h
llc_c_st.h
llc_conn.h
llc_if.h
llc_pdu.h
llc_s_ac.h
llc_s_ev.h
llc_s_st.h
llc_sap.h
llc.h
mac80211.h	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem	2010-07-29 14:47:07 -04:00
mip6.h
mld.h
ndisc.h
neighbour.h
net_namespace.h
netdma.h
netevent.h
netlabel.h
netlink.h
netrom.h
nexthop.h
nl802154.h
p8022.h
pkt_cls.h
pkt_sched.h
protocol.h
psnap.h
raw.h
rawv6.h
red.h
regulatory.h
request_sock.h
rose.h
route.h
rtnetlink.h
sch_generic.h
scm.h
slhc_vj.h
snmp.h
sock.h	udp: add rehash on connect()	2010-09-08 21:45:01 -07:00
stp.h
tcp_states.h
tcp.h	tcp: Combat per-cpu skew in orphan tests.	2010-08-25 02:27:49 -07:00
timewait_sock.h
transp_v6.h
udp.h	udp: add rehash on connect()	2010-09-08 21:45:01 -07:00
udplite.h
wext.h
wimax.h
wpan-phy.h
x25.h
x25device.h
xfrm.h