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* gro: Fix vlan/netpoll check againHerbert Xu2009-03-17
| | | | | | | | | | | Jarek Poplawski pointed out that my previous fix is broken for VLAN+netpoll as if netpoll is enabled we'd end up in the normal receive path instead of the VLAN receive path. This patch fixes it by calling the VLAN receive hook. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* GRO: Move netpoll checks to correct locationHerbert Xu2009-03-16
| | | | | | | | | | | | | | | | | | | | | As my netpoll fix for net doesn't really work for net-next, we need this update to move the checks into the right place. As it stands we may pass freed skbs to netpoll_receive_skb. This patch also introduces a netpoll_rx_on function to avoid GRO completely if we're invoked through netpoll. This might seem paranoid but as netpoll may have an external receive hook it's better to be safe than sorry. I don't think we need this for 2.6.29 though since there's nothing immediately broken by it. This patch also moves the GRO_* return values to netdevice.h since VLAN needs them too (I tried to avoid this originally but alas this seems to be the easiest way out). This fixes a bug in VLAN where it continued to use the old return value 2 instead of the correct GRO_DROP. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: convert usage of packet_type to read_mostlyStephen Hemminger2009-03-10
| | | | | | | | Protocols that use packet_type can be __read_mostly section for better locality. Elminate any unnecessary initializations of NULL. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2009-03-05
|\ | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/tokenring/tmspci.c drivers/net/ucc_geth_mii.c
| * vlan: Fix vlan-in-vlan crashes.David S. Miller2009-03-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As analyzed by Patrick McHardy, vlan needs to reset it's netdev_ops pointer in it's ->init() function but this leaves the compat method pointers stale. Add a netdev_resync_ops() and call it from the vlan code. Any other driver which changes ->netdev_ops after register_netdevice() will need to call this new function after doing so too. With help from Patrick McHardy. Tested-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'master' of ↵David S. Miller2009-03-02
|\| | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/iwlwifi/iwl-tx.c net/8021q/vlan_core.c net/core/dev.c
| * netpoll: Add drop checks to all entry pointsHerbert Xu2009-03-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The netpoll entry checks are required to ensure that we don't receive normal packets when invoked via netpoll. Unfortunately it only ever worked for the netif_receive_skb/netif_rx entry points. The VLAN (and subsequently GRO) entry point didn't have the check and therefore can trigger all sorts of weird problems. This patch adds the netpoll check to all entry points. I'm still uneasy with receiving at all under netpoll (which apparently is only used by the out-of-tree kdump code). The reason is it is perfectly legal to receive all data including headers into highmem if netpoll is off, but if you try to do that with netpoll on and someone gets a printk in an IRQ handler you're going to get a nice BUG_ON. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | gro: Optimise Ethernet header comparisonHerbert Xu2009-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch optimises the Ethernet header comparison to use 2-byte and 4-byte xors instead of memcmp. In order to facilitate this, the actual comparison is now carried out by the callers of the shared dev_gro_receive function. This has a significant impact when receiving 1500B packets through 10GbE. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: replace uses of __constant_{endian}Harvey Harrison2009-02-01
| | | | | | | | | | | | | | Base versions handle constant folding now. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | gro: Avoid copying headers of unmerged packetsHerbert Xu2009-01-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unfortunately simplicity isn't always the best. The fraginfo interface turned out to be suboptimal. The problem was quite obvious. For every packet, we have to copy the headers from the frags structure into skb->head, even though for 99% of the packets this part is immediately thrown away after the merge. LRO didn't have this problem because it directly read the headers from the frags structure. This patch attempts to address this by creating an interface that allows GRO to access the headers in the first frag without having to copy it. Because all drivers that use frags place the headers in the first frag this optimisation should be enough. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | gro: Move common completion code into helpersHerbert Xu2009-01-29
|/ | | | | | | | | Currently VLAN still has a bit of common code handling the aftermath of GRO that's shared with the common path. This patch moves them into shared helpers to reduce code duplication. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: Export symbols as non GPL symbols.Ben Greear2009-01-26
| | | | | | | | | | | | | | | In previous kernels, any kernel module could get access to the 'real-device' and the VLAN-ID for a particular VLAN. In more recent kernels, the code was restructured such that this is hard to do without accessing private .h files for any module that cannot use GPL-only symbols. Attached is a patch to once again allow non-GPL modules the ability to access the real-device and VLAN id for VLANs. Signed-off-by: Ben Greear <greearb@candelatech.com> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: add neigh_setupFrank Blaschka2009-01-08
| | | | | | | | In case the real device has a neigh_setup function, this neigh_setup function should be used for the vlan device. Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: Add GRO interfacesHerbert Xu2009-01-06
| | | | | | | | | | | | | | | | This patch adds GRO interfaces for hardware-assisted VLAN reception. With this in place we're now at parity with LRO as far as the interface is concerned. That is, you can now take any LRO driver and convert it over to GRO. As the CB memory clashes with GRO's use of CB, I've removed it entirely by storing dev in skb->dev. This is OK because VLAN gets called first thing in netif_receive_skb and skb->dev is not used in between us calling netif_rx and netif_receive_skb getting called. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: fix convertion to net_device_opsEric Dumazet2008-12-25
| | | | | | | | | | | | | | commit 656299f706e52e0409733d704c2761f1b12d6954 (vlan: convert to net_device_ops) added a net_device_ops with a NULL ndo_start_xmit field. This gives a crash in dev_hard_start_xmit() Fix it using two net_device_ops structures, one for hwaccel vlan, one for non hwaccel vlan. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: convert to net_device_opsStephen Hemminger2008-11-20
| | | | | | | Convert vlan devices and function pointers to net_device_ops. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2008-11-11
|\ | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/message/fusion/mptlan.c drivers/net/sfc/ethtool.c net/mac80211/debugfs_sta.c
| * vlan: Fix typos in proc output stringFerenc Wagner2008-11-10
| | | | | | | | | | Signed-off-by: Ferenc Wagner <wferi@niif.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'master' of ↵David S. Miller2008-11-07
|\| | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/ath5k/base.c net/8021q/vlan_core.c
| * net: fix packet socket delivery in rx irq handlerPatrick McHardy2008-11-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The changes to deliver hardware accelerated VLAN packets to packet sockets (commit bc1d0411) caused a warning for non-NAPI drivers. The __vlan_hwaccel_rx() function is called directly from the drivers RX function, for non-NAPI drivers that means its still in RX IRQ context: [ 27.779463] ------------[ cut here ]------------ [ 27.779509] WARNING: at kernel/softirq.c:136 local_bh_enable+0x37/0x81() ... [ 27.782520] [<c0264755>] netif_nit_deliver+0x5b/0x75 [ 27.782590] [<c02bba83>] __vlan_hwaccel_rx+0x79/0x162 [ 27.782664] [<f8851c1d>] atl1_intr+0x9a9/0xa7c [atl1] [ 27.782738] [<c0155b17>] handle_IRQ_event+0x23/0x51 [ 27.782808] [<c015692e>] handle_edge_irq+0xc2/0x102 [ 27.782878] [<c0105fd5>] do_IRQ+0x4d/0x64 Split hardware accelerated VLAN reception into two parts to fix this: - __vlan_hwaccel_rx just stores the VLAN TCI and performs the VLAN device lookup, then calls netif_receive_skb()/netif_rx() - vlan_hwaccel_do_receive(), which is invoked by netif_receive_skb() in softirq context, performs the real reception and delivery to packet sockets. Reported-and-tested-by: Ramon Casellas <ramon.casellas@cttc.es> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net/: Kill now superfluous ->last_rx stores.David S. Miller2008-11-04
| | | | | | | | | | | | | | | | The generic packet receive code takes care of setting netdev->last_rx when necessary, for the sake of the bonding ARP monitor. Signed-off-by: David S. Miller <davem@davemloft.net>
* | vlan: propogate ethtool speed valuesStephen Hemminger2008-10-29
|/ | | | | | | | | | | | This enables more ethtool information. The speed and settings of the underlying device are propagated up. This makes services like SNMP that use ethtool to get speed setting, work when managing a vlan, without adding silly heurtistics into SNMP daemon. For the driver info, just use existing driver strings. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Use hton[sl]() instead of __constant_hton[sl]() where applicableArnaldo Carvalho de Melo2008-09-21
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: vlan device not reading gso max size of parent.Alexander Duyck2008-09-11
| | | | | | | | | | | | | The vlan devices are not reading the gso max size of the parent device. As a result devices that do not support 64K max gso size are currently failing. This issue is seen on 2.6.26 kernels as well and the same patch should be able to be applied without any issues. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: Handle ->addr_list_lock just like ->_xmit_lock for lockdep.David S. Miller2008-07-22
| | | | | | | | | The new address list lock needs to handle the same device layering issues that the _xmit_lock one does. This integrates work done by Patrick McHardy. Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2008-07-18
|\ | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
| * Merge branch 'linus' into core/rcuIngo Molnar2008-06-16
| |\
| * | rcu: split list.h and move rcu-protected lists into rculist.hFranck Bui-Huu2008-05-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move rcu-protected lists from list.h into a new header file rculist.h. This is done because list are a very used primitive structure all over the kernel and it's currently impossible to include other header files in this list.h without creating some circular dependencies. For example, list.h implements rcu-protected list and uses rcu_dereference() without including rcupdate.h. It actually compiles because users of rcu_dereference() are macros. Others RCU functions could be used too but aren't probably because of this. Therefore this patch creates rculist.h which includes rcupdates without to many changes/troubles. Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Josh Triplett <josh@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | netdev: Allocate multiple queues for TX.David S. Miller2008-07-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | alloc_netdev_mq() now allocates an array of netdev_queue structures for TX, based upon the queue_count argument. Furthermore, all accesses to the TX queues are now vectored through the netdev_get_tx_queue() and netdev_for_each_tx_queue() interfaces. This makes it easy to grep the tree for all things that want to get to a TX queue of a net device. Problem spots which are not really multiqueue aware yet, and only work with one queue, can easily be spotted by grepping for all netdev_get_tx_queue() calls that pass in a zero index. Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: remove unnecessary include statementsPatrick McHardy2008-07-15
| | | | | | | | | | | | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: clean up hard_start_xmit functionsPatrick McHardy2008-07-15
| | | | | | | | | | | | | | | | | | | | | | | | Remove excessive comments and debugging, use NETDEV_TX codes, remove some empty lines. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: clean up vlan_dev_hard_header()Patrick McHardy2008-07-15
| | | | | | | | | | | | | | | | | | | | | | | | Remove some debugging and excessive comments, merge the two dev_hard_header calls into one. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: ethtool ->get_flags supportPatrick McHardy2008-07-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow to query LRO settings of underlying device when VLAN RX acceleration is used. Suggested by Ben Hutchings <bhutchings@solarflare.com>. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: deliver packets received with VLAN acceleration to network tapsPatrick McHardy2008-07-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When VLAN header stripping is used, packets currently bypass packet sockets (and other network taps) completely. For locally existing VLANs, they appear directly on the VLAN device, for unknown VLANs they are silently dropped. Add a new function netif_nit_deliver() to deliver incoming packets to all network interface taps and use it in __vlan_hwaccel_rx() to make VLAN packets visible on the underlying device. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | 8021q: Check return of dev_set_promiscuity/allmultiWang Chen2008-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dev_set_promiscuity/allmulti might overflow. Commit: "netdevice: Fix promiscuity and allmulti overflow" in net-next makes dev_set_promiscuity/allmulti return error number if overflow happened. Here, we check all positive increment for promiscuity and allmulti to get error return. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | netdev: Move _xmit_lock and xmit_lock_owner into netdev_queue.David S. Miller2008-07-09
| | | | | | | | | | | | | | | | | | | | | Accesses are mostly structured such that when there are multiple TX queues the code transformations will be a little bit simpler. Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: avoid header copying and linearisation where possiblePatrick McHardy2008-07-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - vlan_dev_reorder_header() is only called on the receive path after calling skb_share_check(). This means we can use skb_cow() since all we need is a writable header. - vlan_dev_hard_header() includes a work-around for some apparently broken out of tree MPLS code. The hard_header functions can expect to always have a headroom of at least there own hard_header_len available, so the reallocation check is unnecessary. - __vlan_put_tag() can use skb_cow_head() to avoid the skb_unshare() copy when the header is writable. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: TCI related type and naming cleanupsPatrick McHardy2008-07-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The VLAN code contains multiple spots that use tag, id and tci as identifiers for arguments and variables incorrectly and they actually contain or are expected to contain something different. Additionally types are used inconsistently (unsigned short vs u16) and identifiers are sometimes capitalized. - consistently use u16 for storing TCI, ID or QoS values - consistently use vlan_id and vlan_tci for storing the respective values - remove capitalization - add kdoc comment to netif_hwaccel_{rx,receive_skb} Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: move struct vlan_dev_info to private headerPatrick McHardy2008-07-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | Hide struct vlan_dev_info from drivers to prevent them from growing more creative ways to use it. Provide accessors for the two drivers that currently use it. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: uninline __vlan_hwaccel_rxPatrick McHardy2008-07-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The function is huge and included at least once in every VLAN acceleration capable driver. Uninline it; to avoid having drivers depend on the VLAN module, the function is always built in statically when VLAN is enabled. With all VLAN acceleration capable drivers that build on x86_64 enabled, this results in: text data bss dec hex filename 6515227 854044 343968 7713239 75b1d7 vmlinux.inlined 6505637 854044 343968 7703649 758c61 vmlinux.uninlined ---------------------------------------------------------- -9590 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: Add ethtool supportPatrick McHardy2008-07-08
| | | | | | | | | | | | | | | | | | | | | Add ethtool support for querying the device for offload settings. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: Use is_vlan_dev()Joonwoo Park2008-07-08
| | | | | | | | | | | | | | | | | | | | | | | | Use simplified is_vlan_dev function. Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: fix network_header/mac_header adjustmentsPatrick McHardy2008-07-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Lennert Buytenhek points out that the VLAN code incorrectly adjusts skb->network_header to point in the middle of the VLAN header and additionally tries to adjust skb->mac_header without checking for validity. The network_header should not be touched at all since we're only adding headers in front of it, mac_header adjustments are not necessary at all. Based on patch by Lennert Buytenhek <buytenh@wantstofly.org>. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: Add GVRP supportPatrick McHardy2008-07-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add GVRP support for dynamically registering VLANs with switches. By default GVRP is disabled because we only support the applicant-only participant model, which means it should not be enabled on vlans that are members of a bridge. Since there is currently no way to cleanly determine that, the user is responsible for enabling it. The code is pretty small and low impact, its wrapped in a config option though because it depends on the GARP implementation and the STP core. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: Move device unregistration before lower dev cleanupPatrick McHardy2008-07-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | Move the unregister_netdevice() call for the VLAN device before cleanup for the lower device. This is needed by GVRP so it can send a leave message before the applicant on the lower device is cleaned up. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | vlan: Change vlan_dev_set_vlan_flag() to handle multiple flags at oncePatrick McHardy2008-07-06
| |/ |/| | | | | | | | | | | | | | | | | Change vlan_dev_set_vlan_flag() to handle multiple flags at once and rename to vlan_dev_change_flags(). This allows to to use it from the netlink interface, which in turn allows to handle necessary adjustments when changing flags centrally. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | vlan: Use bitmask of feature flags instead of seperate feature bitsPatrick McHardy2008-05-23
| | | | | | | | | | | | | | | | | | | | | | Herbert Xu points out that the use of seperate feature bits for features to be propagated to VLAN devices is going to get messy real soon. Replace the VLAN feature bits by a bitmask of feature flags to be propagated and restore the old GSO_SHIFT/MASK values. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [VLAN]: Propagate selected feature bits to VLAN devicesPatrick McHardy2008-05-20
| | | | | | | | | | | | | | | | | | | | Propagate feature bits from the NETDEV_FEAT_CHANGE notifier. For now only TSO is propagated for devices that announce their ability to support TSO in combination with VLAN accel by setting the NETIF_F_VLAN_TSO flag. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | vlan: Correctly handle device notifications for layered VLAN devicesPatrick McHardy2008-05-20
|/ | | | | | | | | | | | Commit 30688a9 ([VLAN]: Handle vlan devices net namespace changing) changed the device notifier to special-case notifications for VLAN devices, effectively disabling state propagation to underlying VLAN devices. This is needed for layered VLANs though, so restore the original behaviour. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: assign PDE->data before gluing PDE into /proc treeDenis V. Lunev2008-05-02
| | | | | | | | Simply replace proc_create and further data assigned with proc_create_data. Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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