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2011-10-03bridge: allow updating existing fdb entriesGravatar stephen hemminger 1-7/+16
Need to allow application to update existing fdb entries that already exist. This makes bridge netlink neighbor API have same flags and semantics as ip neighbor table. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-03bridge: fix ordering of NEWLINK and NEWNEIGH eventsGravatar stephen hemminger 1-8/+7
When port is added to a bridge, the old code would send the new neighbor netlink message before the subsequent new link message. This bug makes it difficult to use the monitoring API in an application. This code changes the ordering to add the forwarding entry after the port is setup. One of the error checks (for invalid address) is moved earlier in the process to avoid having to do unwind. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-22Merge branch 'master' of github.com:davem330/netGravatar David S. Miller 3-9/+20
Conflicts: MAINTAINERS drivers/net/Kconfig drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c drivers/net/ethernet/broadcom/tg3.c drivers/net/wireless/iwlwifi/iwl-pci.c drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c drivers/net/wireless/rt2x00/rt2800usb.c drivers/net/wireless/wl12xx/main.c
2011-09-15net: consolidate and fix ethtool_ops->get_settings callingGravatar Jiri Pirko 1-1/+1
This patch does several things: - introduces __ethtool_get_settings which is called from ethtool code and from drivers as well. Put ASSERT_RTNL there. - dev_ethtool_get_settings() is replaced by __ethtool_get_settings() - changes calling in drivers so rtnl locking is respected. In iboe_get_rate was previously ->get_settings() called unlocked. This fixes it. Also prb_calc_retire_blk_tmo() in af_packet.c had the same problem. Also fixed by calling __dev_get_by_index() instead of dev_get_by_index() and holding rtnl_lock for both calls. - introduces rtnl_lock in bnx2fc_vport_create() and fcoe_vport_create() so bnx2fc_if_create() and fcoe_if_create() are called locked as they are from other places. - use __ethtool_get_settings() in bonding code Signed-off-by: Jiri Pirko <jpirko@redhat.com> v2->v3: -removed dev_ethtool_get_settings() -added ASSERT_RTNL into __ethtool_get_settings() -prb_calc_retire_blk_tmo - use __dev_get_by_index() and lock around it and __ethtool_get_settings() call v1->v2: add missing export_symbol Reviewed-by: Ben Hutchings <bhutchings@solarflare.com> [except FCoE bits] Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-09-15br: remove redundant check and initGravatar Jiri Pirko 1-14/+12
Since these checks and initialization are done in dev_ethtool_get_settings called later on, remove this redundancy. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-30Merge branch 'master' of ↵Gravatar David S. Miller 1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2011-08-24bridge: fix a possible use after freeGravatar Eric Dumazet 1-4/+4
br_multicast_ipv6_rcv() can call pskb_trim_rcsum() and therefore skb head can be reallocated. Cache icmp6_type field instead of dereferencing twice the struct icmp6hdr pointer. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-24bridge: Pseudo-header required for the checksum of ICMPv6Gravatar Yan, Zheng 1-3/+10
Checksum of ICMPv6 is not properly computed because the pseudo header is not used. Thus, the MLD packet gets dropped by the bridge. Signed-off-by: Zheng Yan <zheng.z.yan@intel.com> Reported-by: Ang Way Chuang <wcang@sfc.wide.ad.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-22bridge: fix a possible net_device leakGravatar Eric Dumazet 1-1/+5
Jan Beulich reported a possible net_device leak in bridge code after commit bb900b27a2f4 (bridge: allow creating bridge devices with netlink) Reported-by: Jan Beulich <JBeulich@novell.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-20Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/netGravatar David S. Miller 3-3/+13
2011-08-17net: remove use of ndo_set_multicast_list in driversGravatar Jiri Pirko 1-1/+1
replace it by ndo_set_rx_mode Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-11net/bridge/netfilter/ebtables.c: use available error handling codeGravatar Julia Lawall 1-1/+2
Free the locally allocated table and newinfo as done in adjacent error handling code. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-09Bridge: Always send NETDEV_CHANGEADDR up on br MAC change.Gravatar Andrei Warkentin 2-2/+11
This ensures the neighbor entries associated with the bridge dev are flushed, also invalidating the associated cached L2 headers. This means we br_add_if/br_del_if ports to implement hand-over and not wind up with bridge packets going out with stale MAC. This means we can also change MAC of port device and also not wind up with bridge packets going out with stale MAC. This builds on Stephen Hemminger's patch, also handling the br_del_if case and the port MAC change case. Cc: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Andrei Warkentin <andreiw@motorola.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-02rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTERGravatar Stephen Hemminger 1-2/+2
When assigning a NULL value to an RCU protected pointer, no barrier is needed. The rcu_assign_pointer, used to handle that but will soon change to not handle the special case. Convert all rcu_assign_pointer of NULL value. //smpl @@ expression P; @@ - rcu_assign_pointer(P, NULL) + RCU_INIT_POINTER(P, NULL) // </smpl> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-29netfilter: ebtables: fix ebtables build dependencyGravatar Bart De Schuymer 1-1/+1
The configuration of ebtables shouldn't depend on CONFIG_BRIDGE_NETFILTER, only on CONFIG_NETFILTER. Reported-by: Sébastien Laveze <slaveze@gmail.com> Signed-off-by: Bart De Schuymer <bdschuym@pandora.be> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-07-26atomic: use <linux/atomic.h>Gravatar Arun Sharma 1-1/+1
This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by: Arun Sharma <asharma@fb.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25Merge branch 'for-linus' of ↵Gravatar Linus Torvalds 1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits) fs: Merge split strings treewide: fix potentially dangerous trailing ';' in #defined values/expressions uwb: Fix misspelling of neighbourhood in comment net, netfilter: Remove redundant goto in ebt_ulog_packet trivial: don't touch files that are removed in the staging tree lib/vsprintf: replace link to Draft by final RFC number doc: Kconfig: `to be' -> `be' doc: Kconfig: Typo: square -> squared doc: Konfig: Documentation/power/{pm => apm-acpi}.txt drivers/net: static should be at beginning of declaration drivers/media: static should be at beginning of declaration drivers/i2c: static should be at beginning of declaration XTENSA: static should be at beginning of declaration SH: static should be at beginning of declaration MIPS: static should be at beginning of declaration ARM: static should be at beginning of declaration rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check Update my e-mail address PCIe ASPM: forcedly -> forcibly gma500: push through device driver tree ... Fix up trivial conflicts: - arch/arm/mach-ep93xx/dma-m2p.c (deleted) - drivers/gpio/gpio-ep93xx.c (renamed and context nearby) - drivers/net/r8169.c (just context changes)
2011-07-22bridge: minor cleanupsGravatar stephen hemminger 3-16/+14
Some minor cleanups that won't impact code: 1. Remove inline from non-critical functions; compiler will most likely inline them anyway. 2. Make function args const where possible. 3. Whitespace cleanup Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22bridge: add notification over netlink when STP changes stateGravatar stephen hemminger 4-1/+9
When STP changes state of interface need to send a new link message to reflect that change. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22bridge: notifier called with the wrong deviceGravatar stephen hemminger 1-1/+1
If a new device is added to a bridge, the ethernet address of the bridge network device may change. When the address changes, the appropriate callback is called, but with the wrong device argument. The address of the bridge device (ie br0) changes not the address of the device being passed to add_if (ie eth0). Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22bridge: ignore bogus STP config packetsGravatar stephen hemminger 1-0/+11
If the message_age is already greater than the max_age, then the BPDU is bogus. Linux won't generate BPDU, but conformance tester or buggy implementation might. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-22bridge: send proper message_age in config BPDUGravatar stephen hemminger 2-2/+3
A bridge topology with three systems: +------+ +------+ | A(2) |--| B(1) | +------+ +------+ \ / +------+ | C(3) | +------+ What is supposed to happen: * bridge with the lowest ID is elected root (for example: B) * C detects that A->C is higher cost path and puts in blocking state What happens. Bridge with lowest id (B) is elected correctly as root and things start out fine initially. But then config BPDU doesn't get transmitted from A -> C. Because of that the link from A-C is transistioned to the forwarding state. The root cause of this is that the configuration messages is generated with bogus message age, and dropped before sending. In the standardmessage_age is supposed to be: the time since the generation of the Configuration BPDU by the Root that instigated the generation of this Configuration BPDU. Reimplement this by recording the timestamp (age + jiffies) when recording config information. The old code incorrectly used the time elapsed on the ageing timer which was incorrect. See also: https://bugzilla.vyatta.com/show_bug.cgi?id=7164 Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-21net, netfilter: Remove redundant goto in ebt_ulog_packetGravatar Jesper Juhl 1-1/+0
In net/bridge/netfilter/ebt_ulog.c:ebt_ulog_packet() the 'goto unlock' before the 'alloc_failure' label is completely redundant. This patch removes it. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-07-18net: Add ->neigh_lookup() operation to dst_opsGravatar David S. Miller 1-0/+6
In the future dst entries will be neigh-less. In that environment we need to have an easy transition point for current users of dst->neighbour outside of the packet output fast path. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-17net: Abstract dst->neighbour accesses behind helpers.Gravatar David S. Miller 1-1/+1
dst_{get,set}_neighbour() Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-17neigh: Pass neighbour entry to output ops.Gravatar David S. Miller 1-2/+2
This will get us closer to being able to do "neigh stuff" completely independent of the underlying dst_entry for protocols (ipv4/ipv6) that wish to do so. We will also be able to make dst entries neigh-less. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-14net: Embed hh_cache inside of struct neighbour.Gravatar David S. Miller 1-2/+4
Now that there is a one-to-one correspondance between neighbour and hh_cache entries, we no longer need: 1) dynamic allocation 2) attachment to dst->hh 3) refcounting Initialization of the hh_cache entry is indicated by hh_len being non-zero, and such initialization is always done with the neighbour's lock held as a writer. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-05Merge branch 'master' of ↵Gravatar David S. Miller 3-4/+11
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2011-07-05bridge: Always flood broadcast packetsGravatar Herbert Xu 2-3/+7
As is_multicast_ether_addr returns true on broadcast packets as well, we need to explicitly exclude broadcast packets so that they're always flooded. This wasn't an issue before as broadcast packets were considered to be an unregistered multicast group, which were always flooded. However, as we now only flood such packets to router ports, this is no longer acceptable. Reported-by: Michael Guntsche <mike@it-loops.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-24bridge: Only flood unregistered groups to routersGravatar Herbert Xu 1-1/+4
The bridge currently floods packets to groups that we have never seen before to all ports. This is not required by RFC4541 and in fact it is not desirable in environment where traffic to unregistered group is always present. This patch changes the behaviour so that we only send traffic to unregistered groups to ports marked as routers. The user can always force flooding behaviour to any given port by marking it as a router. Note that this change does not apply to traffic to 224.0.0.X as traffic to those groups must always be flooded to all ports. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-20Merge branch 'master' of ↵Gravatar David S. Miller 3-2/+9
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/iwlwifi/iwl-agn-rxon.c drivers/net/wireless/rtlwifi/pci.c net/netfilter/ipvs/ip_vs_core.c
2011-06-19netpoll: copy dev name of slaves to struct netpollGravatar WANG Cong 1-0/+1
Otherwise we will not see the name of the slave dev in error message: [ 388.469446] (null): doesn't support polling, aborting. Signed-off-by: WANG Cong <amwang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-16IGMP snooping: set mrouters_only flag for IPv6 traffic properlyGravatar Fernando Luis Vázquez Cao 1-1/+1
Upon reception of a MGM report packet the kernel sets the mrouters_only flag in a skb that is a clone of the original skb, which means that the bridge loses track of MGM packets (cb buffers are tied to a specific skb and not shared) and it ends up forwading join requests to the bridge interface. This can cause unexpected membership timeouts and intermitent/permanent loss of connectivity as described in RFC 4541 [2.1.1. IGMP Forwarding Rules]: A snooping switch should forward IGMP Membership Reports only to those ports where multicast routers are attached. [...] Sending membership reports to other hosts can result, for IGMPv1 and IGMPv2, in unintentionally preventing a host from joining a specific multicast group. Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-16IGMP snooping: set mrouters_only flag for IPv4 traffic properlyGravatar Fernando Luis Vázquez Cao 1-1/+1
Upon reception of a IGMP/IGMPv2 membership report the kernel sets the mrouters_only flag in a skb that may be a clone of the original skb, which means that sometimes the bridge loses track of membership report packets (cb buffers are tied to a specific skb and not shared) and it ends up forwading join requests to the bridge interface. This can cause unexpected membership timeouts and intermitent/permanent loss of connectivity as described in RFC 4541 [2.1.1. IGMP Forwarding Rules]: A snooping switch should forward IGMP Membership Reports only to those ports where multicast routers are attached. [...] Sending membership reports to other hosts can result, for IGMPv1 and IGMPv2, in unintentionally preventing a host from joining a specific multicast group. Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Tested-by: Hayato Kakuta <kakuta.hayato@oss.ntt.co.jp> Signed-off-by: David S. Miller <davem@conan.davemloft.net>
2011-06-09rtnetlink: Compute and store minimum ifinfo dump sizeGravatar Greg Rose 1-5/+10
The message size allocated for rtnl ifinfo dumps was limited to a single page. This is not enough for additional interface info available with devices that support SR-IOV and caused a bug in which VF info would not be displayed if more than approximately 40 VFs were created per interface. Implement a new function pointer for the rtnl_register service that will calculate the amount of data required for the ifinfo dump and allocate enough data to satisfy the request. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-06-07bridge: provide a cow_metrics method for fake_opsGravatar Alexander Holler 1-0/+6
Like in commit 0972ddb237 (provide cow_metrics() methods to blackhole dst_ops), we must provide a cow_metrics for bridges fake_dst_ops as well. This fixes a regression coming from commits 62fa8a846d7d (net: Implement read-only protection and COW'ing of metrics.) and 33eb9873a28 (bridge: initialize fake_rtable metrics) ip link set mybridge mtu 1234 --> [ 136.546243] Pid: 8415, comm: ip Tainted: P 2.6.39.1-00006-g40545b7 #103 ASUSTeK Computer Inc. V1Sn /V1Sn [ 136.546256] EIP: 0060:[<00000000>] EFLAGS: 00010202 CPU: 0 [ 136.546268] EIP is at 0x0 [ 136.546273] EAX: f14a389c EBX: 000005d4 ECX: f80d32c0 EDX: f80d1da1 [ 136.546279] ESI: f14a3000 EDI: f255bf10 EBP: f15c3b54 ESP: f15c3b48 [ 136.546285] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 136.546293] Process ip (pid: 8415, ti=f15c2000 task=f4741f80 task.ti=f15c2000) [ 136.546297] Stack: [ 136.546301] f80c658f f14a3000 ffffffed f15c3b64 c12cb9c8 f80d1b80 ffffffa1 f15c3bbc [ 136.546315] c12da347 c12d9c7d 00000000 f7670b00 00000000 f80d1b80 ffffffa6 f15c3be4 [ 136.546329] 00000004 f14a3000 f255bf20 00000008 f15c3bbc c11d6cae 00000000 00000000 [ 136.546343] Call Trace: [ 136.546359] [<f80c658f>] ? br_change_mtu+0x5f/0x80 [bridge] [ 136.546372] [<c12cb9c8>] dev_set_mtu+0x38/0x80 [ 136.546381] [<c12da347>] do_setlink+0x1a7/0x860 [ 136.546390] [<c12d9c7d>] ? rtnl_fill_ifinfo+0x9bd/0xc70 [ 136.546400] [<c11d6cae>] ? nla_parse+0x6e/0xb0 [ 136.546409] [<c12db931>] rtnl_newlink+0x361/0x510 [ 136.546420] [<c1023240>] ? vmalloc_sync_all+0x100/0x100 [ 136.546429] [<c1362762>] ? error_code+0x5a/0x60 [ 136.546438] [<c12db5d0>] ? rtnl_configure_link+0x80/0x80 [ 136.546446] [<c12db27a>] rtnetlink_rcv_msg+0xfa/0x210 [ 136.546454] [<c12db180>] ? __rtnl_unlock+0x20/0x20 [ 136.546463] [<c12ee0fe>] netlink_rcv_skb+0x8e/0xb0 [ 136.546471] [<c12daf1c>] rtnetlink_rcv+0x1c/0x30 [ 136.546479] [<c12edafa>] netlink_unicast+0x23a/0x280 [ 136.546487] [<c12ede6b>] netlink_sendmsg+0x26b/0x2f0 [ 136.546497] [<c12bb828>] sock_sendmsg+0xc8/0x100 [ 136.546508] [<c10adf61>] ? __alloc_pages_nodemask+0xe1/0x750 [ 136.546517] [<c11d0602>] ? _copy_from_user+0x42/0x60 [ 136.546525] [<c12c5e4c>] ? verify_iovec+0x4c/0xc0 [ 136.546534] [<c12bd805>] sys_sendmsg+0x1c5/0x200 [ 136.546542] [<c10c2150>] ? __do_fault+0x310/0x410 [ 136.546549] [<c10c2c46>] ? do_wp_page+0x1d6/0x6b0 [ 136.546557] [<c10c47d1>] ? handle_pte_fault+0xe1/0x720 [ 136.546565] [<c12bd1af>] ? sys_getsockname+0x7f/0x90 [ 136.546574] [<c10c4ec1>] ? handle_mm_fault+0xb1/0x180 [ 136.546582] [<c1023240>] ? vmalloc_sync_all+0x100/0x100 [ 136.546589] [<c10233b3>] ? do_page_fault+0x173/0x3d0 [ 136.546596] [<c12bd87b>] ? sys_recvmsg+0x3b/0x60 [ 136.546605] [<c12bdd83>] sys_socketcall+0x293/0x2d0 [ 136.546614] [<c13629d0>] sysenter_do_call+0x12/0x26 [ 136.546619] Code: Bad EIP value. [ 136.546627] EIP: [<00000000>] 0x0 SS:ESP 0068:f15c3b48 [ 136.546645] CR2: 0000000000000000 [ 136.546652] ---[ end trace 6909b560e78934fa ]--- Signed-off-by: Alexander Holler <holler@ahsoftware.de> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-27Merge branch 'pablo/nf-2.6-updates' of git://1984.lsi.us.es/net-2.6Gravatar David S. Miller 1-2/+4
2011-05-26netfilter: Fix several warnings in compat_mtw_from_user().Gravatar David Miller 1-2/+4
Kill set but not used 'entry_offset'. Add a default case to the switch statement so the compiler can see that we always initialize off and size_kern before using them. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-05-24bridge: initialize fake_rtable metricsGravatar Eric Dumazet 1-1/+5
bridge netfilter code uses a fake_rtable, and we must init its _metric field or risk NULL dereference later. Ref: https://bugzilla.kernel.org/show_bug.cgi?id=35672 Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-22net: remove synchronize_net() from netdev_set_master()Gravatar Eric Dumazet 1-0/+1
In the old days, we used to access dev->master in __netif_receive_skb() in a rcu_read_lock section. So one synchronize_net() call was needed in netdev_set_master() to make sure another cpu could not use old master while/after we release it. We now use netdev_rx_handler infrastructure and added one synchronize_net() call in bond_release()/bond_release_all() Remove the obsolete synchronize_net() from netdev_set_master() and add one in bridge del_nbp() after its netdev_rx_handler_unregister() call. This makes enslave -d a bit faster. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Jiri Pirko <jpirko@redhat.com> CC: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-22bridge: call NETDEV_JOIN notifiers when add a slaveGravatar Amerigo Wang 1-0/+2
In the previous patch I added NETDEV_JOIN, now we can notify netconsole when adding a device to a bridge too. Signed-off-by: WANG Cong <amwang@redhat.com> Cc: Neil Horman <nhorman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-17Merge branch 'master' of ↵Gravatar David S. Miller 1-1/+1
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/vmxnet3/vmxnet3_ethtool.c net/core/dev.c
2011-05-13bridge: fix forwarding of IPv6Gravatar Stephen Hemminger 1-1/+1
The commit 6b1e960fdbd75dcd9bcc3ba5ff8898ff1ad30b6e bridge: Reset IPCB when entering IP stack on NF_FORWARD broke forwarding of IPV6 packets in bridge because it would call bp_parse_ip_options with an IPV6 packet. Reported-by: Noah Meyerhans <noahm@debian.org> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-11Merge branch 'master' of ↵Gravatar David S. Miller 1-53/+11
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-3.6 Conflicts: drivers/net/benet/be_main.c
2011-05-10netfilter: ebtables: only call xt_compat_add_offset once per ruleGravatar Florian Westphal 1-52/+9
The optimizations in commit 255d0dc34068a976 (netfilter: x_table: speedup compat operations) assume that xt_compat_add_offset is called once per rule. ebtables however called it for each match/target found in a rule. The match/watcher/target parser already returns the needed delta, so it is sufficient to move the xt_compat_add_offset call to a more reasonable location. While at it, also get rid of the unused COMPAT iterator macros. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-05-10netfilter: fix ebtables compat supportGravatar Eric Dumazet 1-1/+2
commit 255d0dc34068a976 (netfilter: x_table: speedup compat operations) made ebtables not working anymore. 1) xt_compat_calc_jump() is not an exact match lookup 2) compat_table_info() has a typo in xt_compat_init_offsets() call 3) compat_do_replace() misses a xt_compat_init_offsets() call Reported-by: dann frazier <dannf@dannf.org> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-05-02net: dont hold rtnl mutex during netlink dump callbacksGravatar Eric Dumazet 1-3/+4
Four years ago, Patrick made a change to hold rtnl mutex during netlink dump callbacks. I believe it was a wrong move. This slows down concurrent dumps, making good old /proc/net/ files faster than rtnetlink in some situations. This occurred to me because one "ip link show dev ..." was _very_ slow on a workload adding/removing network devices in background. All dump callbacks are able to use RCU locking now, so this patch does roughly a revert of commits : 1c2d670f366 : [RTNETLINK]: Hold rtnl_mutex during netlink dump callbacks 6313c1e0992 : [RTNETLINK]: Remove unnecessary locking in dump callbacks This let writers fight for rtnl mutex and readers going full speed. It also takes care of phonet : phonet_route_get() is now called from rcu read section. I renamed it to phonet_route_get_rcu() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Patrick McHardy <kaber@trash.net> Cc: Remi Denis-Courmont <remi.denis-courmont@nokia.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-29ethtool: Use full 32 bit speed range in ethtool's set_settingsGravatar David Decotigny 1-2/+2
This makes sure the ethtool's set_settings() callback of network drivers don't ignore the 16 most significant bits when ethtool calls their set_settings(). All drivers compiled with make allyesconfig on x86_64 have been updated. Signed-off-by: David Decotigny <decot@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-28bridge: convert br_features_recompute() to ndo_fix_featuresGravatar Michał Mirosław 4-67/+19
Note: netdev_update_features() needs only rtnl_lock as br->port_list is only changed while holding it. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-26Merge branch 'master' of ↵Gravatar David S. Miller 1-1/+1
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Resolved logic conflicts causing a build failure due to drivers/net/r8169.c changes using a patch from Stephen Rothwell. Signed-off-by: David S. Miller <davem@davemloft.net>
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