diff options
| author | harti <harti@FreeBSD.org> | 2003-07-24 08:15:20 +0000 |
|---|---|---|
| committer | harti <harti@FreeBSD.org> | 2003-07-24 08:15:20 +0000 |
| commit | 21804925b22e8dfdb24c092b7313df2d2b7d2097 (patch) | |
| tree | 5d865fdd2aacd3d8716334448a4da6bb899eafae /sys/netatm/atm_cm.c | |
| parent | e6af3a1393324f87f4f4865c1bbb1065e3bfc667 (diff) | |
| download | FreeBSD-src-21804925b22e8dfdb24c092b7313df2d2b7d2097.zip FreeBSD-src-21804925b22e8dfdb24c092b7313df2d2b7d2097.tar.gz | |
Add BPF support to HARP network interfaces. This allows one to see
the traffic on LLC multiplexed connections (like CLIP).
PR: kern/51831
Submitted by: Vincent Jardin <vjardin@wanadoo.fr>
MFC after: 2 weeks
Diffstat (limited to 'sys/netatm/atm_cm.c')
| -rw-r--r-- | sys/netatm/atm_cm.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/netatm/atm_cm.c b/sys/netatm/atm_cm.c index 8ca491f..f21db37 100644 --- a/sys/netatm/atm_cm.c +++ b/sys/netatm/atm_cm.c @@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$"); #include <sys/socketvar.h> #include <sys/syslog.h> #include <net/if.h> +#include <net/bpf.h> #include <netatm/port.h> #include <netatm/queue.h> #include <netatm/atm.h> @@ -2900,6 +2901,17 @@ atm_cm_cpcs_upper(cmd, tok, arg1, arg2) case ATM_ENC_LLC: /* + * Send the packet to the interface's bpf if this + * vc has one. + */ + if (cvp->cvc_vcc != NULL && + cvp->cvc_vcc->vc_nif != NULL) { + struct ifnet *ifp = + (struct ifnet *)cvp->cvc_vcc->vc_nif; + + BPF_MTAP(ifp, m); + } + /* * Find connection with matching LLC header */ if (KB_LEN(m) < T_ATM_LLC_MAX_LEN) { |
