Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 86a0a1e5 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont Committed by David S. Miller
Browse files

Phonet: forward incoming packets 



Signed-off-by: default avatarRémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent aa6c45f3

net/phonet/af_phonet.c

+32 −0
Original line number Diff line number Diff line
@@ -394,6 +394,38 @@ static int phonet_rcv(struct sk_buff *skb, struct net_device *dev, 
			send_obj_unreachable(skb);

			send_reset_indications(skb);

		}

	} else if (unlikely(skb->pkt_type == PACKET_LOOPBACK))

		goto out; /* Race between address deletion and loopback */

	else {

		/* Phonet packet routing */

		struct net_device *out_dev;



		out_dev = phonet_route_output(net, pn_sockaddr_get_addr(&sa));

		if (!out_dev) {

			LIMIT_NETDEBUG(KERN_WARNING"No Phonet route to %02X\n",

					pn_sockaddr_get_addr(&sa));

			goto out;

		}



		__skb_push(skb, sizeof(struct phonethdr));

		skb->dev = out_dev;

		if (out_dev == dev) {

			LIMIT_NETDEBUG(KERN_ERR"Phonet loop to %02X on %s\n",

					pn_sockaddr_get_addr(&sa), dev->name);

			goto out_dev;

		}

		/* Some drivers (e.g. TUN) do not allocate HW header space */

		if (skb_cow_head(skb, out_dev->hard_header_len))

			goto out_dev;



		if (dev_hard_header(skb, out_dev, ETH_P_PHONET, NULL, NULL,

					skb->len) < 0)

			goto out_dev;

		dev_queue_xmit(skb);

		dev_put(out_dev);

		return NET_RX_SUCCESS;

out_dev:

		dev_put(out_dev);

	}



out: