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dc4eb53a99
linux/net
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Linus Lüssing dc4eb53a99 bridge: adhere to querier election mechanism specified by RFCs 
MLDv1 (RFC2710 section 6), MLDv2 (RFC3810 section 7.6.2), IGMPv2
(RFC2236 section 3) and IGMPv3 (RFC3376 section 6.6.2) specify that the
querier with lowest source address shall become the selected
querier.

So far the bridge stopped its querier as soon as it heard another
querier regardless of its source address. This results in the "wrong"
querier potentially becoming the active querier or a potential,
unnecessary querying delay.

With this patch the bridge memorizes the source address of the currently
selected querier and ignores queries from queriers with a higher source
address than the currently selected one. This slight optimization is
supposed to make it more RFC compliant (but is rather uncritical and
therefore probably not necessary to be queued for stable kernels).

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-10 23:50:47 -07:00
..
9p A bunch of updates and cleanup within the transport layer, 2014-04-11 14:14:57 -07:00
802
8021q Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-05-24 00:32:30 -04:00
appletalk net: Split sk_no_check into sk_no_check_{rx,tx} 2014-05-23 16:28:53 -04:00
atm atm: remove commented out check 2014-05-30 17:17:04 -07:00
ax25 net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-06-03 23:32:12 -07:00
bluetooth Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2014-06-05 14:10:07 -04:00
bridge bridge: adhere to querier election mechanism specified by RFCs 2014-06-10 23:50:47 -07:00
caif net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
can can: add hash based access to single EFF frame filters 2014-05-19 09:38:24 +02:00
ceph crush: decode and initialize chooseleaf_vary_r 2014-05-16 21:29:55 +04:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-06-05 16:22:02 -07:00
dcb net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-04-24 13:44:54 -04:00
dccp net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
decnet net: Split sk_no_check into sk_no_check_{rx,tx} 2014-05-23 16:28:53 -04:00
dns_resolver dns_resolver: Do not accept domain names longer than 255 chars 2014-06-05 00:05:53 -07:00
dsa Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-05-24 00:32:30 -04:00
ethernet
hsr hsr: replace del_timer by del_timer_sync 2014-03-27 15:28:06 -04:00
ieee802154 6lowpan_rtnl: fix off by one while fragmentation 2014-06-02 10:39:42 -07:00
ipv4 gre: allow changing mac address when device is up 2014-06-10 22:46:42 -07:00
ipv6 ipv6: Shrink udp_v6_mcast_next() to one socket variable 2014-06-05 16:23:08 -07:00
ipx net: Split sk_no_check into sk_no_check_{rx,tx} 2014-05-23 16:28:53 -04:00
irda
iucv af_iucv: correct cleanup if listen backlog is full 2014-05-30 17:35:23 -07:00
key af_key: Replace comma with semicolon 2014-05-30 17:48:58 -07:00
l2tp l2tp: call udp{6}_set_csum 2014-06-04 22:46:38 -07:00
lapb
llc
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2014-05-29 12:55:38 -04:00
mac802154 mac802154: llsec: add forgotten list_del_rcu in key removal 2014-06-06 16:25:37 -07:00
mpls gre: Call gso_make_checksum 2014-06-04 22:46:38 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2014-06-05 15:35:04 -07:00
netlabel
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-06-03 23:32:12 -07:00
netrom net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
nfc NFC: nfc_sock_link() can be static 2014-05-26 00:53:10 +02:00
openvswitch vxlan: Add support for UDP checksums (v4 sending, v6 zero csums) 2014-06-04 22:46:39 -07:00
packet net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-04-24 13:44:54 -04:00
phonet net: Use netlink_ns_capable to verify the permisions of netlink messages 2014-04-24 13:44:54 -04:00
rds rds/tcp_listen: Replace comma with semicolon 2014-05-30 17:48:58 -07:00
rfkill Merge git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2014-05-22 13:58:36 -04:00
rose net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
rxrpc af_rxrpc: Fix XDR length check in rxrpc key demarshalling. 2014-05-16 15:24:47 -04:00
sched net: use the new API kvfree() 2014-06-05 00:49:51 -07:00
sctp net: Split sk_no_check into sk_no_check_{rx,tx} 2014-05-23 16:28:53 -04:00
sunrpc sunrpc: Remove sk_no_check setting 2014-05-23 16:28:53 -04:00
tipc tipc: Don't reset the timeout when restarting 2014-05-24 14:11:41 -04:00
unix net: unix: Align send data_len up to PAGE_SIZE 2014-05-16 16:04:03 -04:00
vmw_vsock vsock: Make transport the proto owner 2014-05-05 13:13:50 -04:00
wimax
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2014-05-29 12:55:38 -04:00
x25 net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-06-03 23:32:12 -07:00
compat.c net/compat: convert to COMPAT_SYSCALL_DEFINE with changing parameter types 2014-03-06 16:30:45 +01:00
Kconfig Merge branch 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2014-04-03 13:05:42 -07:00
Makefile
nonet.c
socket.c net: use SYSCALL_DEFINEx for sys_recv 2014-04-16 15:15:05 -04:00
sysctl_net.c