X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=target%2Flinux%2Fgeneric%2Fpatches-3.10%2F630-packet_socket_type.patch;fp=target%2Flinux%2Fgeneric%2Fpatches-3.10%2F630-packet_socket_type.patch;h=0000000000000000000000000000000000000000;hp=88ede891897f0ebb6dc8bc6433fac2c64e71caed;hb=ab80ca56fa4e990903f344b90d540fafef0fbfce;hpb=100e4d9a4e20f6bb43c91554b8bc79437679a279

diff --git a/target/linux/generic/patches-3.10/630-packet_socket_type.patch b/target/linux/generic/patches-3.10/630-packet_socket_type.patch
deleted file mode 100644
index 88ede89189..0000000000
--- a/target/linux/generic/patches-3.10/630-packet_socket_type.patch
+++ /dev/null
@@ -1,134 +0,0 @@
-This patch allows the user to specify desired packet types (outgoing,
-broadcast, unicast, etc.) on packet sockets via setsockopt.
-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>
-
---- a/include/uapi/linux/if_packet.h
-+++ b/include/uapi/linux/if_packet.h
-@@ -29,6 +29,8 @@ struct sockaddr_ll {
- /* These ones are invisible by user level */
- #define PACKET_LOOPBACK		5		/* MC/BRD frame looped back */
- #define PACKET_FASTROUTE	6		/* Fastrouted frame	*/
-+#define PACKET_MASK_ANY		0xffffffff	/* mask for packet type bits */
-+
- 
- /* Packet socket options */
- 
-@@ -51,6 +53,7 @@ struct sockaddr_ll {
- #define PACKET_TIMESTAMP		17
- #define PACKET_FANOUT			18
- #define PACKET_TX_HAS_OFF		19
-+#define PACKET_RECV_TYPE		20
- 
- #define PACKET_FANOUT_HASH		0
- #define PACKET_FANOUT_LB		1
---- a/net/packet/af_packet.c
-+++ b/net/packet/af_packet.c
-@@ -1404,6 +1404,7 @@ static int packet_rcv_spkt(struct sk_buf
- {
- 	struct sock *sk;
- 	struct sockaddr_pkt *spkt;
-+	struct packet_sock *po;
- 
- 	/*
- 	 *	When we registered the protocol we saved the socket in the data
-@@ -1411,6 +1412,7 @@ static int packet_rcv_spkt(struct sk_buf
- 	 */
- 
- 	sk = pt->af_packet_priv;
-+	po = pkt_sk(sk);
- 
- 	/*
- 	 *	Yank back the headers [hope the device set this
-@@ -1423,7 +1425,7 @@ static int packet_rcv_spkt(struct sk_buf
- 	 *	so that this procedure is noop.
- 	 */
- 
--	if (skb->pkt_type == PACKET_LOOPBACK)
-+	if (!(po->pkt_type & (1 << skb->pkt_type)))
- 		goto out;
- 
- 	if (!net_eq(dev_net(dev), sock_net(sk)))
-@@ -1630,12 +1632,12 @@ static int packet_rcv(struct sk_buff *sk
- 	int skb_len = skb->len;
- 	unsigned int snaplen, res;
- 
--	if (skb->pkt_type == PACKET_LOOPBACK)
--		goto drop;
--
- 	sk = pt->af_packet_priv;
- 	po = pkt_sk(sk);
- 
-+	if (!(po->pkt_type & (1 << skb->pkt_type)))
-+		goto drop;
-+
- 	if (!net_eq(dev_net(dev), sock_net(sk)))
- 		goto drop;
- 
-@@ -1748,12 +1750,12 @@ static int tpacket_rcv(struct sk_buff *s
- 	struct timespec ts;
- 	__u32 ts_status;
- 
--	if (skb->pkt_type == PACKET_LOOPBACK)
--		goto drop;
--
- 	sk = pt->af_packet_priv;
- 	po = pkt_sk(sk);
- 
-+	if (!(po->pkt_type & (1 << skb->pkt_type)))
-+		goto drop;
-+
- 	if (!net_eq(dev_net(dev), sock_net(sk)))
- 		goto drop;
- 
-@@ -2654,6 +2656,7 @@ 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;
-+	po->pkt_type = PACKET_MASK_ANY & ~(1 << PACKET_LOOPBACK);
- 
- 	if (sock->type == SOCK_PACKET)
- 		po->prot_hook.func = packet_rcv_spkt;
-@@ -3264,6 +3267,16 @@ packet_setsockopt(struct socket *sock, i
- 		po->tp_tx_has_off = !!val;
- 		return 0;
- 	}
-+        case PACKET_RECV_TYPE:
-+        {
-+                unsigned int val;
-+                if (optlen != sizeof(val))
-+                        return -EINVAL;
-+                if (copy_from_user(&val, optval, sizeof(val)))
-+                        return -EFAULT;
-+                po->pkt_type = val & ~BIT(PACKET_LOOPBACK);
-+                return 0;
-+        }
- 	default:
- 		return -ENOPROTOOPT;
- 	}
-@@ -3315,6 +3328,13 @@ static int packet_getsockopt(struct sock
- 	case PACKET_VNET_HDR:
- 		val = po->has_vnet_hdr;
- 		break;
-+	case PACKET_RECV_TYPE:
-+		if (len > sizeof(unsigned int))
-+			len = sizeof(unsigned int);
-+		val = po->pkt_type;
-+
-+		data = &val;
-+		break;
- 	case PACKET_VERSION:
- 		val = po->tp_version;
- 		break;
---- a/net/packet/internal.h
-+++ b/net/packet/internal.h
-@@ -116,6 +116,7 @@ struct packet_sock {
- 	unsigned int		tp_tstamp;
- 	struct net_device __rcu	*cached_dev;
- 	struct packet_type	prot_hook ____cacheline_aligned_in_smp;
-+	unsigned int		pkt_type;
- };
- 
- static struct packet_sock *pkt_sk(struct sock *sk)