From 8055a89cfa533f70bea5970727a50e220bb7d18e Mon Sep 17 00:00:00 2001 From: Thomas Graf Date: Fri, 13 Dec 2013 15:22:20 +0100 Subject: openvswitch: Pass datapath into userspace queue functions Allows removing the net and dp_ifindex argument and simplify the code. Signed-off-by: Thomas Graf Signed-off-by: Jesse Gross --- net/openvswitch/datapath.c | 34 ++++++++++++++-------------------- 1 file changed, 14 insertions(+), 20 deletions(-) (limited to 'net/openvswitch') diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 497b2fd36df4..235acaeaedc7 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -108,10 +108,9 @@ int lockdep_ovsl_is_held(void) #endif static struct vport *new_vport(const struct vport_parms *); -static int queue_gso_packets(struct net *, int dp_ifindex, struct sk_buff *, +static int queue_gso_packets(struct datapath *dp, struct sk_buff *, const struct dp_upcall_info *); -static int queue_userspace_packet(struct net *, int dp_ifindex, - struct sk_buff *, +static int queue_userspace_packet(struct datapath *dp, struct sk_buff *, const struct dp_upcall_info *); /* Must be called with rcu_read_lock or ovs_mutex. */ @@ -277,7 +276,6 @@ int ovs_dp_upcall(struct datapath *dp, struct sk_buff *skb, const struct dp_upcall_info *upcall_info) { struct dp_stats_percpu *stats; - int dp_ifindex; int err; if (upcall_info->portid == 0) { @@ -285,16 +283,10 @@ int ovs_dp_upcall(struct datapath *dp, struct sk_buff *skb, goto err; } - dp_ifindex = get_dpifindex(dp); - if (!dp_ifindex) { - err = -ENODEV; - goto err; - } - if (!skb_is_gso(skb)) - err = queue_userspace_packet(ovs_dp_get_net(dp), dp_ifindex, skb, upcall_info); + err = queue_userspace_packet(dp, skb, upcall_info); else - err = queue_gso_packets(ovs_dp_get_net(dp), dp_ifindex, skb, upcall_info); + err = queue_gso_packets(dp, skb, upcall_info); if (err) goto err; @@ -310,8 +302,7 @@ err: return err; } -static int queue_gso_packets(struct net *net, int dp_ifindex, - struct sk_buff *skb, +static int queue_gso_packets(struct datapath *dp, struct sk_buff *skb, const struct dp_upcall_info *upcall_info) { unsigned short gso_type = skb_shinfo(skb)->gso_type; @@ -327,7 +318,7 @@ static int queue_gso_packets(struct net *net, int dp_ifindex, /* Queue all of the segments. */ skb = segs; do { - err = queue_userspace_packet(net, dp_ifindex, skb, upcall_info); + err = queue_userspace_packet(dp, skb, upcall_info); if (err) break; @@ -394,8 +385,7 @@ static size_t upcall_msg_size(const struct sk_buff *skb, return size; } -static int queue_userspace_packet(struct net *net, int dp_ifindex, - struct sk_buff *skb, +static int queue_userspace_packet(struct datapath *dp, struct sk_buff *skb, const struct dp_upcall_info *upcall_info) { struct ovs_header *upcall; @@ -403,11 +393,15 @@ static int queue_userspace_packet(struct net *net, int dp_ifindex, struct sk_buff *user_skb; /* to be queued to userspace */ struct nlattr *nla; struct genl_info info = { - .dst_sk = net->genl_sock, + .dst_sk = ovs_dp_get_net(dp)->genl_sock, .snd_portid = upcall_info->portid, }; size_t len; - int err; + int err, dp_ifindex; + + dp_ifindex = get_dpifindex(dp); + if (!dp_ifindex) + return -ENODEV; if (vlan_tx_tag_present(skb)) { nskb = skb_clone(skb, GFP_ATOMIC); @@ -452,7 +446,7 @@ static int queue_userspace_packet(struct net *net, int dp_ifindex, skb_copy_and_csum_dev(skb, nla_data(nla)); genlmsg_end(user_skb, upcall); - err = genlmsg_unicast(net, user_skb, upcall_info->portid); + err = genlmsg_unicast(ovs_dp_get_net(dp), user_skb, upcall_info->portid); out: kfree_skb(nskb); -- cgit v1.2.3