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net: Add Transparent Ethernet Bridging GRO support.

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Currently the only tunnel protocol that supports GRO with encapsulated
Ethernet is VXLAN. This pulls out the Ethernet code into a proper layer
so that it can be used by other tunnel protocols such as GRE and Geneve.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesse Gross 2014-12-30 19:10:15 -08:00 • committed by David S. Miller
parent 05930b5ec1
commit 9b174d88c2
3 changed files with 102 additions and 47 deletions
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4
include/linux/etherdevice.h
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@ -52,6 +52,10 @@ struct net_device *alloc_etherdev_mqs(int sizeof_priv, unsigned int txqs,
#define alloc_etherdev(sizeof_priv) alloc_etherdev_mq(sizeof_priv, 1)
#define alloc_etherdev_mq(sizeof_priv, count) alloc_etherdev_mqs(sizeof_priv, count, count)
struct sk_buff **eth_gro_receive(struct sk_buff **head,
struct sk_buff *skb);
int eth_gro_complete(struct sk_buff *skb, int nhoff);
/* Reserved Ethernet Addresses per IEEE 802.1Q */
static const u8 eth_reserved_addr_base[ETH_ALEN] __aligned(2) =
{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x00 };