X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=datapath%2Fdatapath.c;h=1a5bffb8f6d992f81252bcb5e5b828be990659b6;hb=68eadcf05acd17097ba9161910a7265c5812cc89;hp=75edd178daa76158f4217a8872cb6d71cedf3149;hpb=6c75562d49e87237cfaafc82d786c8c4f0823326;p=sliver-openvswitch.git

diff --git a/datapath/datapath.c b/datapath/datapath.c
index 75edd178d..1a5bffb8f 100644
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -404,6 +404,13 @@ static int queue_userspace_packet(struct net *net, int dp_ifindex,
 	struct sk_buff *nskb = NULL;
 	struct sk_buff *user_skb; /* to be queued to userspace */
 	struct nlattr *nla;
+	struct genl_info info = {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)
+		.dst_sk = net->genl_sock,
+#endif
+		.snd_portid = upcall_info->portid,
+	};
+	size_t len;
 	int err;
 
 	if (vlan_tx_tag_present(skb)) {
@@ -425,7 +432,8 @@ static int queue_userspace_packet(struct net *net, int dp_ifindex,
 		goto out;
 	}
 
-	user_skb = genlmsg_new(upcall_msg_size(skb, upcall_info->userdata), GFP_ATOMIC);
+	len = upcall_msg_size(skb, upcall_info->userdata);
+	user_skb = genlmsg_new_unicast(len, &info, GFP_ATOMIC);
 	if (!user_skb) {
 		err = -ENOMEM;
 		goto out;
@@ -719,27 +727,30 @@ error:
 	return err;
 }
 
-static struct sk_buff *ovs_flow_cmd_alloc_info(struct sw_flow *flow)
+static struct sk_buff *ovs_flow_cmd_alloc_info(struct sw_flow *flow,
+					       struct genl_info *info)
 {
-	const struct sw_flow_actions *sf_acts;
+	size_t len;
 
-	sf_acts = ovsl_dereference(flow->sf_acts);
+	len = ovs_flow_cmd_msg_size(ovsl_dereference(flow->sf_acts));
 
-	return genlmsg_new(ovs_flow_cmd_msg_size(sf_acts), GFP_KERNEL);
+	return genlmsg_new_unicast(len, info, GFP_KERNEL);
 }
 
 static struct sk_buff *ovs_flow_cmd_build_info(struct sw_flow *flow,
 					       struct datapath *dp,
-					       u32 portid, u32 seq, u8 cmd)
+					       struct genl_info *info,
+					       u8 cmd)
 {
 	struct sk_buff *skb;
 	int retval;
 
-	skb = ovs_flow_cmd_alloc_info(flow);
+	skb = ovs_flow_cmd_alloc_info(flow, info);
 	if (!skb)
 		return ERR_PTR(-ENOMEM);
 
-	retval = ovs_flow_cmd_fill_info(flow, dp, skb, portid, seq, 0, cmd);
+	retval = ovs_flow_cmd_fill_info(flow, dp, skb, info->snd_portid,
+					info->snd_seq, 0, cmd);
 	BUG_ON(retval < 0);
 	return skb;
 }
@@ -819,8 +830,7 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info)
 			goto err_flow_free;
 		}
 
-		reply = ovs_flow_cmd_build_info(flow, dp, info->snd_portid,
-						info->snd_seq, OVS_FLOW_CMD_NEW);
+		reply = ovs_flow_cmd_build_info(flow, dp, info, OVS_FLOW_CMD_NEW);
 	} else {
 		/* We found a matching flow. */
 		struct sw_flow_actions *old_acts;
@@ -848,8 +858,7 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info)
 		rcu_assign_pointer(flow->sf_acts, acts);
 		ovs_nla_free_flow_actions(old_acts);
 
-		reply = ovs_flow_cmd_build_info(flow, dp, info->snd_portid,
-					       info->snd_seq, OVS_FLOW_CMD_NEW);
+		reply = ovs_flow_cmd_build_info(flow, dp, info, OVS_FLOW_CMD_NEW);
 
 		/* Clear stats. */
 		if (a[OVS_FLOW_ATTR_CLEAR])
@@ -908,8 +917,7 @@ static int ovs_flow_cmd_get(struct sk_buff *skb, struct genl_info *info)
 		goto unlock;
 	}
 
-	reply = ovs_flow_cmd_build_info(flow, dp, info->snd_portid,
-					info->snd_seq, OVS_FLOW_CMD_NEW);
+	reply = ovs_flow_cmd_build_info(flow, dp, info, OVS_FLOW_CMD_NEW);
 	if (IS_ERR(reply)) {
 		err = PTR_ERR(reply);
 		goto unlock;
@@ -956,7 +964,7 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct genl_info *info)
 		goto unlock;
 	}
 
-	reply = ovs_flow_cmd_alloc_info(flow);
+	reply = ovs_flow_cmd_alloc_info(flow, info);
 	if (!reply) {
 		err = -ENOMEM;
 		goto unlock;
@@ -1108,17 +1116,17 @@ error:
 	return -EMSGSIZE;
 }
 
-static struct sk_buff *ovs_dp_cmd_build_info(struct datapath *dp, u32 portid,
-					     u32 seq, u8 cmd)
+static struct sk_buff *ovs_dp_cmd_build_info(struct datapath *dp,
+					     struct genl_info *info, u8 cmd)
 {
 	struct sk_buff *skb;
 	int retval;
 
-	skb = genlmsg_new(ovs_dp_cmd_msg_size(), GFP_KERNEL);
+	skb = genlmsg_new_unicast(ovs_dp_cmd_msg_size(), info, GFP_KERNEL);
 	if (!skb)
 		return ERR_PTR(-ENOMEM);
 
-	retval = ovs_dp_cmd_fill_info(dp, skb, portid, seq, 0, cmd);
+	retval = ovs_dp_cmd_fill_info(dp, skb, info->snd_portid, info->snd_seq, 0, cmd);
 	if (retval < 0) {
 		kfree_skb(skb);
 		return ERR_PTR(retval);
@@ -1207,8 +1215,7 @@ static int ovs_dp_cmd_new(struct sk_buff *skb, struct genl_info *info)
 		goto err_destroy_ports_array;
 	}
 
-	reply = ovs_dp_cmd_build_info(dp, info->snd_portid,
-				      info->snd_seq, OVS_DP_CMD_NEW);
+	reply = ovs_dp_cmd_build_info(dp, info, OVS_DP_CMD_NEW);
 	err = PTR_ERR(reply);
 	if (IS_ERR(reply))
 		goto err_destroy_local_port;
@@ -1274,8 +1281,7 @@ static int ovs_dp_cmd_del(struct sk_buff *skb, struct genl_info *info)
 	if (IS_ERR(dp))
 		goto unlock;
 
-	reply = ovs_dp_cmd_build_info(dp, info->snd_portid,
-				      info->snd_seq, OVS_DP_CMD_DEL);
+	reply = ovs_dp_cmd_build_info(dp, info, OVS_DP_CMD_DEL);
 	err = PTR_ERR(reply);
 	if (IS_ERR(reply))
 		goto unlock;
@@ -1303,8 +1309,7 @@ static int ovs_dp_cmd_set(struct sk_buff *skb, struct genl_info *info)
 	if (IS_ERR(dp))
 		goto unlock;
 
-	reply = ovs_dp_cmd_build_info(dp, info->snd_portid,
-				      info->snd_seq, OVS_DP_CMD_NEW);
+	reply = ovs_dp_cmd_build_info(dp, info, OVS_DP_CMD_NEW);
 	if (IS_ERR(reply)) {
 		err = PTR_ERR(reply);
 		netlink_set_err(sock_net(skb->sk)->genl_sock, 0,
@@ -1335,8 +1340,7 @@ static int ovs_dp_cmd_get(struct sk_buff *skb, struct genl_info *info)
 		goto unlock;
 	}
 
-	reply = ovs_dp_cmd_build_info(dp, info->snd_portid,
-				      info->snd_seq, OVS_DP_CMD_NEW);
+	reply = ovs_dp_cmd_build_info(dp, info, OVS_DP_CMD_NEW);
 	if (IS_ERR(reply)) {
 		err = PTR_ERR(reply);
 		goto unlock;