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path: root/include/linux/if_vlan.h
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* vlan: introduce functions to do mass addition/deletion of vids by another deviceJiri Pirko2011-12-08
| | | | | | | | Introduce functions handy to copy vlan ids from one driver's list to another. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: introduce vid list with reference countingJiri Pirko2011-12-08
| | | | | | | | | | | | | This allows to keep track of vids needed to be in rx vlan filters of devices even if they are used in bond/team etc. vlan_info as well as vlan_group previously was, is allocated when first vid is added and dealocated whan last vid is deleted. vlan_group definition is moved to private header. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: introduce vlan_vid_[add/del] and use them instead of direct ↵Jiri Pirko2011-12-08
| | | | | | | | | | | [add/kill]_vid ndo calls This patch adds wrapper for ndo_vlan_rx_add_vid/ndo_vlan_rx_kill_vid functions. Check for NETIF_F_HW_VLAN_FILTER feature is done in this wrapper. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: rename vlan_dev_info to vlan_dev_privJiri Pirko2011-12-08
| | | | | | | | As this structure is priv, name it approprietely. Also for pointer to it use name "vlan". Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: Move vlan_set_encap_proto() to vlan header filePravin B Shelar2011-12-03
| | | | | | | Open vSwitch needs this function for vlan handling. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
* vlan: allow nested vlan_do_receive()Eric Dumazet2011-10-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 2425717b27eb (net: allow vlan traffic to be received under bond) broke ARP processing on vlan on top of bonding. +-------+ eth0 --| bond0 |---bond0.103 eth1 --| | +-------+ 52870.115435: skb_gro_reset_offset <-napi_gro_receive 52870.115435: dev_gro_receive <-napi_gro_receive 52870.115435: napi_skb_finish <-napi_gro_receive 52870.115435: netif_receive_skb <-napi_skb_finish 52870.115435: get_rps_cpu <-netif_receive_skb 52870.115435: __netif_receive_skb <-netif_receive_skb 52870.115436: vlan_do_receive <-__netif_receive_skb 52870.115436: bond_handle_frame <-__netif_receive_skb 52870.115436: vlan_do_receive <-__netif_receive_skb 52870.115436: arp_rcv <-__netif_receive_skb 52870.115436: kfree_skb <-arp_rcv Packet is dropped in arp_rcv() because its pkt_type was set to PACKET_OTHERHOST in the first vlan_do_receive() call, since no eth0.103 exists. We really need to change pkt_type only if no more rx_handler is about to be called for the packet. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Reviewed-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: move vlan_group_[gs]et_device to public headerJiri Pirko2011-07-21
| | | | | | | there are no users outside vlan code Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: kill vlan_gro_frags and vlan_gro_receiveJiri Pirko2011-07-21
| | | | | Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: kill __vlan_hwaccel_rx and vlan_hwaccel_rxJiri Pirko2011-07-21
| | | | | Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: kill vlan_hwaccel_receive_skbJiri Pirko2011-07-21
| | | | | Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: introduce __vlan_find_dev_deep()Jiri Pirko2011-07-21
| | | | | | | | Since vlan_group_get_device and vlan_group is not going to be accessible from device drivers, introduce function which substitutes it. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: finish removing vlan_find_dev from public headerJiri Pirko2011-07-21
| | | | | | | else case remained forgotten. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: vlan, qlcnic: make vlan_find_dev privateDavid Lamparter2011-07-17
| | | | | | | | | | | | | | | | there is only one user of vlan_find_dev outside of the actual vlan code: qlcnic uses it to iterate over some VLANs it knows. let's just make vlan_find_dev private to the VLAN code and have the iteration in qlcnic be a bit more direct. (a few rcu dereferences less too) Signed-off-by: David Lamparter <equinox@diac24.net> Cc: Patrick McHardy <kaber@trash.net> Cc: Amit Kumar Salecha <amit.salecha@qlogic.com> Cc: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Cc: linux-driver@qlogic.com Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: Fix the ingress VLAN_FLAG_REORDER_HDR checkJiri Pirko2011-06-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | Testing of VLAN_FLAG_REORDER_HDR does not belong in vlan_untag but rather in vlan_do_receive. Otherwise the vlan header will not be properly put on the packet in the case of vlan header accelleration. As we remove the check from vlan_check_reorder_header rename it vlan_reorder_header to keep the naming clean. Fix up the skb->pkt_type early so we don't look at the packet after adding the vlan tag, which guarantees we don't goof and look at the wrong field. Use a simple if statement instead of a complicated switch statement to decided that we need to increment rx_stats for a multicast packet. Hopefully at somepoint we will just declare the case where VLAN_FLAG_REORDER_HDR is cleared as unsupported and remove the code. Until then this keeps it working correctly. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Jiri Pirko <jpirko@redhat.com> Acked-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: move is_vlan_dev into public header file (v2)Neil Horman2011-05-25
| | | | | | | | | Migrate is_vlan_dev() to if_vlan.h so that core networkig can use it Signed-off-by: Neil Horman <nhorman@tuxdriver.com> CC: davem@davemloft.net CC: bhutchings@solarflare.com Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: remove one synchronize_net() callEric Dumazet2011-05-09
| | | | | | | | | | | | | | | | | | At VLAN dismantle phase, unregister_vlan_dev() makes one synchronize_net() call after vlan_group_set_device(grp, vlan_id, NULL). This call can be safely removed because we are calling unregister_netdevice_queue() to queue device for deletion, and this process needs at least one rcu grace period to complete. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ben Greear <greearb@candelatech.com> Cc: Patrick McHardy <kaber@trash.net> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Jesse Gross <jesse@nicira.com> Cc: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Missing 'inline' in vlan-disabled vlan_untag()David S. Miller2011-04-12
| | | | | Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: vlan: make non-hw-accel rx path similar to hw-accelJiri Pirko2011-04-12
| | | | | | | | | | | | | | | | | | | Now there are 2 paths for rx vlan frames. When rx-vlan-hw-accel is enabled, skb is untagged by NIC, vlan_tci is set and the skb gets into vlan code in __netif_receive_skb - vlan_hwaccel_do_receive. For non-rx-vlan-hw-accel however, tagged skb goes thru whole __netif_receive_skb, it's untagged in ptype_base hander and reinjected This incosistency is fixed by this patch. Vlan untagging happens early in __netif_receive_skb so the rest of code (ptype_all handlers, rx_handlers) see the skb like it was untagged by hw. Signed-off-by: Jiri Pirko <jpirko@redhat.com> v1->v2: remove "inline" from vlan_core.c functions Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: Add function to retrieve EtherType from vlan packets.Hao Zheng2010-11-12
| | | | | | | | | | | Depending on how a packet is vlan tagged (i.e. hardware accelerated or not), the encapsulated protocol is stored in different locations. This provides a consistent method of accessing that protocol, which is needed by drivers, security checks, etc. Signed-off-by: Hao Zheng <hzheng@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: Calling vlan_hwaccel_do_receive() is always valid.Jesse Gross2010-10-21
| | | | | | | | | | | It is now acceptable to receive vlan tagged packets at any time, even if CONFIG_VLAN_8021Q is not set. This means that calling vlan_hwaccel_do_receive() should not result in BUG() but rather just behave as if there were no vlan devices configured. Reported-by: Vladislav Zolotarov <vladz@broadcom.com> Signed-off-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: Centralize handling of hardware acceleration.Jesse Gross2010-10-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently each driver that is capable of vlan hardware acceleration must be aware of the vlan groups that are configured and then pass the stripped tag to a specialized receive function. This is different from other types of hardware offload in that it places a significant amount of knowledge in the driver itself rather keeping it in the networking core. This makes vlan offloading function more similarly to other forms of offloading (such as checksum offloading or TSO) by doing the following: * On receive, stripped vlans are passed directly to the network core, without attempting to check for vlan groups or reconstructing the header if no group * vlans are made less special by folding the logic into the main receive routines * On transmit, the device layer will add the vlan header in software if the hardware doesn't support it, instead of spreading that logic out in upper layers, such as bonding. There are a number of advantages to this: * Fixes all bugs with drivers incorrectly dropping vlan headers at once. * Avoids having to disable VLAN acceleration when in promiscuous mode (good for bridging since it always puts devices in promiscuous mode). * Keeps VLAN tag separate until given to ultimate consumer, which avoids needing to do header reconstruction as in tg3 unless absolutely necessary. * Consolidates common code in core networking. Signed-off-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: Avoid hash table lookup to find group.Jesse Gross2010-10-21
| | | | | | | | | | A struct net_device always maps to zero or one vlan groups and we always know the device when we are looking up a group. We currently do a hash table lookup on the device to find the group but it is much simpler to just store a pointer. Signed-off-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: Rename VLAN_GROUP_ARRAY_LEN to VLAN_N_VID.Jesse Gross2010-10-21
| | | | | | | | | | VLAN_GROUP_ARRAY_LEN is simply the number of possible vlan VIDs. Since vlan groups will soon be more of an implementation detail for vlan devices, rename the constant to be descriptive of its actual purpose. Signed-off-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: 802.1q: make vlan_hwaccel_do_receive() return voidChangli Gao2010-08-23
| | | | | | | vlan_hwaccel_do_receive() always returns 0, so make it return void. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: support "loose binding" to the underlying network devicePatrick McHardy2009-11-26
| | | | | | | | | | | | Currently the UP/DOWN state of VLANs is synchronized to the state of the underlying device, meaning all VLANs are set down once the underlying device is set down. This causes all routes to the VLAN devices to vanish. Add a flag to specify a "loose binding" mode, in which only the operstate is transfered, but the VLAN device state is independant. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* gro: Change all receive functions to return GRO result codesBen Hutchings2009-10-30
| | | | | | | | | | | | This will allow drivers to adjust their receive path dynamically based on whether GRO is being applied successfully. Currently all in-tree callers ignore the return values of these functions and do not need to be changed. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: Optimize multiple unregistrationEric Dumazet2009-10-28
| | | | | | | Use unregister_netdevice_many() to speedup master device unregister. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: allow null VLAN ID to be usedEric Dumazet2009-10-27
| | | | | | | | | | | | | | | | | | | | | | | | | We currently use a 16 bit field (vlan_tci) to store VLAN ID/PRIO on a skb. Null value is used as a special value, meaning vlan tagging not enabled. This forbids use of null vlan ID. As pointed by David, some drivers use the 3 high order bits (PRIO) As VLAN ID is 12 bits, we can use the remaining bit (CFI) as a flag, and allow null VLAN ID. In case future code really wants to use VLAN_CFI_MASK, we'll have to use a bit outside of vlan_tci. #define VLAN_PRIO_MASK 0xe000 /* Priority Code Point */ #define VLAN_PRIO_SHIFT 13 #define VLAN_CFI_MASK 0x1000 /* Canonical Format Indicator */ #define VLAN_TAG_PRESENT VLAN_CFI_MASK #define VLAN_VID_MASK 0x0fff /* VLAN Identifier */ Reported-by: Gertjan Hofman <gertjan_hofman@yahoo.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* gro: New frags interface to avoid copying shinfoHerbert Xu2009-04-16
| | | | | | | | | | | It turns out that copying a 16-byte area at ~800k times a second can be really expensive :) This patch redesigns the frags GRO interface to avoid copying that area twice. The two disciples of the frags interface have been converted. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* vlan: Update skb->mac_header in __vlan_put_tag().Jarek Poplawski2009-02-19
| | | | | | | | | After moving mac addresses in __vlan_put_tag() skb->mac_header needs to be updated. Reported-by: Karl Hiramoto <karl@hiramoto.org> Signed-off-by: Jarek Poplawski <jarkao2@gmail.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>
* 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>
* vlan: Don't store VLAN tag in cbPatrick McHardy2008-07-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use a real skb member to store the skb to avoid clashes with qdiscs, which are allowed to use the cb area themselves. As currently only real devices that consume the skb set the NETIF_F_HW_VLAN_TX flag, no explicit invalidation is neccessary. The new member fills a hole on 64 bit, the skb layout changes from: __u32 mark; /* 172 4 */ sk_buff_data_t transport_header; /* 176 4 */ sk_buff_data_t network_header; /* 180 4 */ sk_buff_data_t mac_header; /* 184 4 */ sk_buff_data_t tail; /* 188 4 */ /* --- cacheline 3 boundary (192 bytes) --- */ sk_buff_data_t end; /* 192 4 */ /* XXX 4 bytes hole, try to pack */ to __u32 mark; /* 172 4 */ __u16 vlan_tci; /* 176 2 */ /* XXX 2 bytes hole, try to pack */ sk_buff_data_t transport_header; /* 180 4 */ sk_buff_data_t network_header; /* 184 4 */ Signed-off-by: Patrick McHardy <kaber@trash.net> 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: remove useless struct hlist_node declaration from if_vlan.hPatrick McHardy2008-07-08
| | | | | 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: 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]: Tag vlan_group_device with net device, not ifindex.Pavel Emelyanov2008-04-16
| | | | | | | | | | | | | | Currently vlan group is searched using one key - the ifindex. We'll have to lookup the vlan_group by two keys - ifindex and net. Turning the vlan_group lookup key to struct net_device pointer will make this process easier. Besides, this will eliminate one more place in the networking, that assumes that indexes are unique in the kernel. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN]: Reduce memory consumed by vlan_groupsPavel Emelyanov2008-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently each vlan_groupd contains 8 pointers on arrays with 512 pointers on struct net_device each :) Such a construction "in many cases ... wastes memory". My proposal is to allow for some of these arrays pointers be NULL, meaning that there are no devices in it. When a new device is added to the vlan_group, the appropriate array is allocated. The check in vlan_group_get_device's is safe, since the pointer vg->vlan_devices_arrays[x] can only switch from NULL to not-NULL. The vlan_group_prealloc_vid() is guarded with rtnl lock and is also safe. I've checked (I hope that) all the places, that use these arrays and found, that the register_vlan_dev is the only place, that can put a vlan device on an empty vlan_group. Rough calculations shows, that after the patch a setup with a single vlan dev (or up to 512 vlans with sequential vids) will occupy approximately 8 times less memory. The question I have is - does this patch makes sense, or a totally new structures are required to store the vlan_devs? Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
* [VLAN]: Constify skb argument to vlan_get_tag()Patrick McHardy2008-02-05
| | | | | | | Required by next patch to use it from the flow classifier. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN]: Turn __constant_htons into htons where possiblePatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN]: Turn VLAN_DEV_INFO into inline functionPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN]: Simplify vlan unregistrationPatrick McHardy2008-01-28
| | | | | | | | | | | | | | | Keep track of the number of VLAN devices in a vlan group. This allows to have the caller sense when the group is going to be destroyed and stop using it, which in turn allows to remove the wrapper around unregister_vlan_dev for the NETDEV_UNREGISTER notifier and avoid iterating over all possible VLAN ids whenever a device in unregistered. Also fix what looks like a use-after-free (but is actually safe since we're holding the RTNL), the real_dev reference should not be dropped while we still use it. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN]: Use dev->statsPatrick McHardy2008-01-28
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN]: Kill useless VLAN_NAME definePatrick McHardy2008-01-28
| | | | | | | | The only user already includes __FUNCTION__ (vlan_proto_init) in the output, which is enough to identify what the message is about. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN]: Clean up vlan_hdr/vlan_ethhdr structsPatrick McHardy2008-01-28
| | | | | | | | Fix 3 space indentation and some overly long lines by moving the comments to a kdoc structure description. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN]: Remove unnecessary structure declarationsPatrick McHardy2008-01-28
| | | | | | | | | | | - struct packet_type is not used - struct vlan_group is declared later in the file before the first use - struct net_device is not needed since netdevice.h is included - struct vlan_collection does not exist - struct vlan_dev_info is declared later in the file before the first use Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-12 18:22:05 -0500