diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-08 14:25:41 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-08 14:25:41 -0800 |
commit | 5fbbf5f648a9c4ef99276854f05b2255d1b004d3 (patch) | |
tree | 59c9ae762c3df2800e894001b3de58c5f1972486 /net/8021q/vlan_core.c | |
parent | ce279e6ec91c49f2c5f59f7492e19d39edbf8bbd (diff) | |
parent | 56cf391a9462a4897ea660a6af3662dda5ae8c84 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (84 commits)
wimax: fix kernel-doc for debufs_dentry member of struct wimax_dev
net: convert pegasus driver to net_device_ops
bnx2x: Prevent eeprom set when driver is down
net: switch kaweth driver to netdevops
pcnet32: round off carrier watch timer
i2400m/usb: wrap USB power saving in #ifdef CONFIG_PM
wimax: testing for rfkill support should also test for CONFIG_RFKILL_MODULE
wimax: fix kconfig interactions with rfkill and input layers
wimax: fix '#ifndef CONFIG_BUG' layout to avoid warning
r6040: bump release number to 0.20
r6040: warn about MAC address being unset
r6040: check PHY status when bringing interface up
r6040: make printks consistent with DRV_NAME
gianfar: Fixup use of BUS_ID_SIZE
mlx4_en: Returning real Max in get_ringparam
mlx4_en: Consider inline packets on completion
netdev: bfin_mac: enable bfin_mac net dev driver for BF51x
qeth: convert to net_device_ops
vlan: add neigh_setup
dm9601: warn on invalid mac address
...
Diffstat (limited to 'net/8021q/vlan_core.c')
-rw-r--r-- | net/8021q/vlan_core.c | 111 |
1 files changed, 88 insertions, 23 deletions
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index dd86a1dc4cd..6c132394026 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -3,46 +3,35 @@ #include <linux/if_vlan.h> #include "vlan.h" -struct vlan_hwaccel_cb { - struct net_device *dev; -}; - -static inline struct vlan_hwaccel_cb *vlan_hwaccel_cb(struct sk_buff *skb) -{ - return (struct vlan_hwaccel_cb *)skb->cb; -} - /* VLAN rx hw acceleration helper. This acts like netif_{rx,receive_skb}(). */ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp, u16 vlan_tci, int polling) { - struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb); - - if (skb_bond_should_drop(skb)) { - dev_kfree_skb_any(skb); - return NET_RX_DROP; - } + if (skb_bond_should_drop(skb)) + goto drop; skb->vlan_tci = vlan_tci; - cb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK); + skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK); + + if (!skb->dev) + goto drop; return (polling ? netif_receive_skb(skb) : netif_rx(skb)); + +drop: + dev_kfree_skb_any(skb); + return NET_RX_DROP; } EXPORT_SYMBOL(__vlan_hwaccel_rx); int vlan_hwaccel_do_receive(struct sk_buff *skb) { - struct vlan_hwaccel_cb *cb = vlan_hwaccel_cb(skb); - struct net_device *dev = cb->dev; + struct net_device *dev = skb->dev; struct net_device_stats *stats; + skb->dev = vlan_dev_info(dev)->real_dev; netif_nit_deliver(skb); - if (dev == NULL) { - kfree_skb(skb); - return -1; - } - skb->dev = dev; skb->priority = vlan_get_ingress_priority(dev, skb->vlan_tci); skb->vlan_tci = 0; @@ -80,3 +69,79 @@ u16 vlan_dev_vlan_id(const struct net_device *dev) return vlan_dev_info(dev)->vlan_id; } EXPORT_SYMBOL_GPL(vlan_dev_vlan_id); + +static int vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp, + unsigned int vlan_tci, struct sk_buff *skb) +{ + struct sk_buff *p; + + if (skb_bond_should_drop(skb)) + goto drop; + + skb->vlan_tci = vlan_tci; + skb->dev = vlan_group_get_device(grp, vlan_tci & VLAN_VID_MASK); + + if (!skb->dev) + goto drop; + + for (p = napi->gro_list; p; p = p->next) { + NAPI_GRO_CB(p)->same_flow = p->dev == skb->dev; + NAPI_GRO_CB(p)->flush = 0; + } + + return dev_gro_receive(napi, skb); + +drop: + return 2; +} + +int vlan_gro_receive(struct napi_struct *napi, struct vlan_group *grp, + unsigned int vlan_tci, struct sk_buff *skb) +{ + int err = NET_RX_SUCCESS; + + switch (vlan_gro_common(napi, grp, vlan_tci, skb)) { + case -1: + return netif_receive_skb(skb); + + case 2: + err = NET_RX_DROP; + /* fall through */ + + case 1: + kfree_skb(skb); + break; + } + + return err; +} +EXPORT_SYMBOL(vlan_gro_receive); + +int vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp, + unsigned int vlan_tci, struct napi_gro_fraginfo *info) +{ + struct sk_buff *skb = napi_fraginfo_skb(napi, info); + int err = NET_RX_DROP; + + if (!skb) + goto out; + + err = NET_RX_SUCCESS; + + switch (vlan_gro_common(napi, grp, vlan_tci, skb)) { + case -1: + return netif_receive_skb(skb); + + case 2: + err = NET_RX_DROP; + /* fall through */ + + case 1: + napi_reuse_skb(napi, skb); + break; + } + +out: + return err; +} +EXPORT_SYMBOL(vlan_gro_frags); |