diff options
Diffstat (limited to 'sys/net/bpf.c')
| -rw-r--r-- | sys/net/bpf.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/net/bpf.c b/sys/net/bpf.c index dbf177d52bc1..0927b3de2f4f 100644 --- a/sys/net/bpf.c +++ b/sys/net/bpf.c @@ -159,6 +159,9 @@ struct bpf_dltlist32 { #define BIOCSETFNR32 _IOW('B', 130, struct bpf_program32) #endif +#define BPF_LOCK() sx_xlock(&bpf_sx) +#define BPF_UNLOCK() sx_xunlock(&bpf_sx) +#define BPF_LOCK_ASSERT() sx_assert(&bpf_sx, SA_XLOCKED) /* * bpf_iflist is a list of BPF interface structures, each corresponding to a * specific DLT. The same network interface might have several BPF interface @@ -166,7 +169,7 @@ struct bpf_dltlist32 { * frames, ethernet frames, etc). */ static LIST_HEAD(, bpf_if) bpf_iflist, bpf_freelist; -static struct mtx bpf_mtx; /* bpf global lock */ +static struct sx bpf_sx; /* bpf global lock */ static int bpf_bpfd_cnt; static void bpf_attachd(struct bpf_d *, struct bpf_if *); @@ -2821,7 +2824,7 @@ bpf_drvinit(void *unused) { struct cdev *dev; - mtx_init(&bpf_mtx, "bpf global lock", NULL, MTX_DEF); + sx_init(&bpf_sx, "bpf global lock"); LIST_INIT(&bpf_iflist); LIST_INIT(&bpf_freelist); |