This can reduce the load in situations where only a limited number
of packet types are necessary
-Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/include/uapi/linux/if_packet.h
+++ b/include/uapi/linux/if_packet.h
goto out;
if (!net_eq(dev_net(dev), sock_net(sk)))
-@@ -1756,12 +1758,12 @@ static int packet_rcv(struct sk_buff *sk
+@@ -1748,12 +1750,12 @@ static int packet_rcv(struct sk_buff *sk
int skb_len = skb->len;
unsigned int snaplen, res;
if (!net_eq(dev_net(dev), sock_net(sk)))
goto drop;
-@@ -1881,12 +1883,12 @@ static int tpacket_rcv(struct sk_buff *s
+@@ -1873,12 +1875,12 @@ static int tpacket_rcv(struct sk_buff *s
BUILD_BUG_ON(TPACKET_ALIGN(sizeof(*h.h2)) != 32);
BUILD_BUG_ON(TPACKET_ALIGN(sizeof(*h.h3)) != 48);
if (!net_eq(dev_net(dev), sock_net(sk)))
goto drop;
-@@ -2823,6 +2825,7 @@ static int packet_create(struct net *net
+@@ -2828,6 +2830,7 @@ static int packet_create(struct net *net
spin_lock_init(&po->bind_lock);
mutex_init(&po->pg_vec_lock);
po->prot_hook.func = packet_rcv;
if (sock->type == SOCK_PACKET)
po->prot_hook.func = packet_rcv_spkt;
-@@ -3403,6 +3406,16 @@ packet_setsockopt(struct socket *sock, i
+@@ -3409,6 +3412,16 @@ packet_setsockopt(struct socket *sock, i
po->xmit = val ? packet_direct_xmit : dev_queue_xmit;
return 0;
}
default:
return -ENOPROTOOPT;
}
-@@ -3454,6 +3467,13 @@ static int packet_getsockopt(struct sock
+@@ -3460,6 +3473,13 @@ static int packet_getsockopt(struct sock
case PACKET_VNET_HDR:
val = po->has_vnet_hdr;
break;