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Update a comment describing bpf_iflist to indicate that the BPF interface

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structures correspond to specific link layers, so the same network
interface may appear more than once.

MFC after:	3 days
This commit is contained in:
rwatson 2005-02-28 12:35:52 +00:00
parent db4ae8e19d
commit 053b1d364d
1 changed files with 4 additions and 1 deletions
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5
sys/net/bpf.c
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@ -89,7 +89,10 @@ SYSCTL_INT(_debug, OID_AUTO, bpf_maxbufsize, CTLFLAG_RW,
&bpf_maxbufsize, 0, "");
/*
* bpf_iflist is the list of interfaces; each corresponds to an ifnet
* bpf_iflist is a list of BPF interface structures, each corresponding to a
* specific DLT. The same network interface might have several BPF interface
* structures registered by different layers in the stack (i.e., 802.11
* frames, ethernet frames, etc).
*/
static LIST_HEAD(, bpf_if) bpf_iflist;
static struct mtx bpf_mtx; /* bpf global lock */