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This may be necessary when the SKB is passed to other layers on the go, which check the protocol field on their own. An example is a VLAN packet sent out using AF_PACKET on a bridge interface. The bridging code checks the SKB size, accounting for any VLAN header only if the protocol field is set accordingly. Note that eth_type_trans() sets skb->dev to the passed argument, so this can be skipped in packet_snd() for ethernet frames, as well. Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| af_packet.c | ||
| diag.c | ||
| internal.h | ||
| Kconfig | ||
| Makefile | ||