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encapsulates
2007 Apr 18
2
[Bridge] bridge netfilter question
Hi,
I found this block of code in br_dev_queue_xmit() @
br_forward.c, after applying 'netfilter' patch for
2.4.21 kernel
Can someone explain what this block of code is doin?
#ifdef CONFIG_NETFILTER
if (skb->nf_bridge)
memcpy(skb->data - 16,
skb->nf_bridge->hh, 16);
#endif
1. What is 16 bytes here...? Ethernet hdr is just 14
bytes
2. Why the ethernet