path: root/net/dsa/dsa.c
diff options
authorLennert Buytenhek <buytenh@wantstofly.org>2008-10-07 13:46:07 +0000
committerDavid S. Miller <davem@davemloft.net>2008-10-08 17:24:16 -0700
commit396138f03f4521c55ecc3a5dd75d4c56e6323244 (patch)
tree61dc43e540c861a4b05753da56a9fe2a19bea206 /net/dsa/dsa.c
parent2e5f032095ff101274dfb03d5fd5e06d9aeb83cd (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 'net/dsa/dsa.c')
1 files changed, 7 insertions, 0 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index f8c549281c30..33e99462023a 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -217,6 +217,13 @@ bool dsa_uses_dsa_tags(void *dsa_ptr)
return !!(ds->tag_protocol == htons(ETH_P_DSA));
+bool dsa_uses_trailer_tags(void *dsa_ptr)
+ struct dsa_switch *ds = dsa_ptr;
+ return !!(ds->tag_protocol == htons(ETH_P_TRAILER));
/* link polling *************************************************************/
static void dsa_link_poll_work(struct work_struct *ugly)

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