Update a comment describing bpf_iflist to indicate that the BPF interface

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:
Robert Watson 2005-02-28 12:35:52 +00:00
parent 1d0a237660
commit d1a67300e2
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=142787

View File

@ -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 */