|
|
|
|
@ -11,7 +11,7 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
|
|
|
|
|
/* These ones are invisible by user level */
|
|
|
|
|
#define PACKET_LOOPBACK 5 /* MC/BRD frame looped back */
|
|
|
|
|
#define PACKET_FASTROUTE 6 /* Fastrouted frame */
|
|
|
|
|
+#define PACKET_ANY 0xffffffff
|
|
|
|
|
+#define PACKET_MASK_ANY 0xffffffff /* mask for packet type bits */
|
|
|
|
|
+
|
|
|
|
|
|
|
|
|
|
/* Packet socket options */
|
|
|
|
|
@ -30,7 +30,7 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
|
|
|
|
|
unsigned int tp_hdrlen;
|
|
|
|
|
unsigned int tp_reserve;
|
|
|
|
|
#endif
|
|
|
|
|
+ int pkt_type;
|
|
|
|
|
+ unsigned int pkt_type;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct packet_skb_cb {
|
|
|
|
|
@ -95,7 +95,7 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
|
|
|
|
|
spin_lock_init(&po->bind_lock);
|
|
|
|
|
mutex_init(&po->pg_vec_lock);
|
|
|
|
|
po->prot_hook.func = packet_rcv;
|
|
|
|
|
+ po->pkt_type = PACKET_ANY & ~PACKET_LOOPBACK;
|
|
|
|
|
+ po->pkt_type = PACKET_MASK_ANY & ~(1 << PACKET_LOOPBACK);
|
|
|
|
|
|
|
|
|
|
if (sock->type == SOCK_PACKET)
|
|
|
|
|
po->prot_hook.func = packet_rcv_spkt;
|
|
|
|
|
@ -105,7 +105,7 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
|
|
|
|
|
}
|
|
|
|
|
+ case PACKET_RECV_TYPE:
|
|
|
|
|
+ {
|
|
|
|
|
+ int val;
|
|
|
|
|
+ unsigned int val;
|
|
|
|
|
+ if (optlen != sizeof(val))
|
|
|
|
|
+ return -EINVAL;
|
|
|
|
|
+ if (copy_from_user(&val, optval, sizeof(val)))
|
|
|
|
|
@ -121,8 +121,8 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
|
|
|
|
|
data = &val;
|
|
|
|
|
break;
|
|
|
|
|
+ case PACKET_RECV_TYPE:
|
|
|
|
|
+ if (len > sizeof(int))
|
|
|
|
|
+ len = sizeof(int);
|
|
|
|
|
+ if (len > sizeof(unsigned int))
|
|
|
|
|
+ len = sizeof(unsigned int);
|
|
|
|
|
+ val = po->pkt_type;
|
|
|
|
|
+
|
|
|
|
|
+ data = &val;
|
|
|
|
|
|
Felix Fietkau
15 years ago