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dsa: add support for Trailer tagging format

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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>
This commit is contained in:
Lennert Buytenhek 2008-10-07 13:46:07 +00:00 • committed by David S. Miller
parent 2e5f032095
commit 396138f03f
10 changed files with 164 additions and 0 deletions
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5
net/dsa/slave.c
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@ -248,6 +248,11 @@ dsa_slave_create(struct dsa_switch *ds, struct device *parent,
case htons(ETH_P_EDSA):
slave_dev->hard_start_xmit = edsa_xmit;
break;
#endif
#ifdef CONFIG_NET_DSA_TAG_TRAILER
case htons(ETH_P_TRAILER):
slave_dev->hard_start_xmit = trailer_xmit;
break;
#endif
default:
BUG();