diff options
| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2008-10-07 13:46:07 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-10-08 17:24:16 -0700 |
| commit | 396138f03f4521c55ecc3a5dd75d4c56e6323244 (patch) | |
| tree | 61dc43e540c861a4b05753da56a9fe2a19bea206 /include | |
| parent | 2e5f032095ff101274dfb03d5fd5e06d9aeb83cd (diff) | |
dsa: add support for Trailer tagging format
This adds support for the Trailer switch tagging format. This is
another tagging that doesn't explicitly mark tagged packets with a
distinct ethertype, so that we need to add a similar hack in the
receive path as for the Original DSA tagging format.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Tested-by: Byron Bradley <byron.bbradley@gmail.com>
Tested-by: Tim Ellis <tim.ellis@mac.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/if_ether.h | 1 | ||||
| -rw-r--r-- | include/linux/netdevice.h | 10 | ||||
| -rw-r--r-- | include/net/dsa.h | 1 |
3 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index 32b9dcda68c..a0099e98b5c 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -102,6 +102,7 @@ #define ETH_P_HDLC 0x0019 /* HDLC frames */ #define ETH_P_ARCNET 0x001A /* 1A for ArcNet :-) */ #define ETH_P_DSA 0x001B /* Distributed Switch Arch. */ +#define ETH_P_TRAILER 0x001C /* Trailer switch tagging */ #define ETH_P_PHONET 0x00F5 /* Nokia Phonet frames */ /* diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 97f0c64c152..d3ea3de70a8 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -812,6 +812,16 @@ static inline bool netdev_uses_dsa_tags(struct net_device *dev) return 0; } +static inline bool netdev_uses_trailer_tags(struct net_device *dev) +{ +#ifdef CONFIG_NET_DSA_TAG_TRAILER + if (dev->dsa_ptr != NULL) + return dsa_uses_trailer_tags(dev->dsa_ptr); +#endif + + return 0; +} + /** * netdev_priv - access network device private data * @dev: network device diff --git a/include/net/dsa.h b/include/net/dsa.h index 72e509b6a12..52e97bfca5a 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -31,6 +31,7 @@ struct dsa_platform_data { }; extern bool dsa_uses_dsa_tags(void *dsa_ptr); +extern bool dsa_uses_trailer_tags(void *dsa_ptr); #endif |