diff options
Diffstat (limited to 'freebsd/sys/net/bpf.c')
| -rw-r--r-- | freebsd/sys/net/bpf.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/freebsd/sys/net/bpf.c b/freebsd/sys/net/bpf.c index 57aff5b8..357fd1b1 100644 --- a/freebsd/sys/net/bpf.c +++ b/freebsd/sys/net/bpf.c @@ -124,6 +124,11 @@ struct bpf_if { CTASSERT(offsetof(struct bpf_if, bif_ext) == 0); +#define BPFIF_RLOCK(bif) rw_rlock(&(bif)->bif_lock) +#define BPFIF_RUNLOCK(bif) rw_runlock(&(bif)->bif_lock) +#define BPFIF_WLOCK(bif) rw_wlock(&(bif)->bif_lock) +#define BPFIF_WUNLOCK(bif) rw_wunlock(&(bif)->bif_lock) + #if defined(DEV_BPF) || defined(NETGRAPH_BPF) #define PRINET 26 /* interruptible */ @@ -217,7 +222,7 @@ SYSCTL_INT(_net_bpf, OID_AUTO, zerocopy_enable, CTLFLAG_RW, static SYSCTL_NODE(_net_bpf, OID_AUTO, stats, CTLFLAG_MPSAFE | CTLFLAG_RW, bpf_stats_sysctl, "bpf statistics portal"); -static VNET_DEFINE(int, bpf_optimize_writers) = 0; +VNET_DEFINE_STATIC(int, bpf_optimize_writers) = 0; #define V_bpf_optimize_writers VNET(bpf_optimize_writers) SYSCTL_INT(_net_bpf, OID_AUTO, optimize_writers, CTLFLAG_VNET | CTLFLAG_RW, &VNET_NAME(bpf_optimize_writers), 0, @@ -1974,8 +1979,13 @@ bpf_setf(struct bpf_d *d, struct bpf_program *fp, u_long cmd) return (EINVAL); } #ifdef BPF_JITTER - /* Filter is copied inside fcode and is perfectly valid. */ - jfunc = bpf_jitter(fcode, flen); + if (cmd != BIOCSETWF) { + /* + * Filter is copied inside fcode and is + * perfectly valid. + */ + jfunc = bpf_jitter(fcode, flen); + } #endif } |