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openvswitch: Pass datapath into userspace queue functions

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Allows removing the net and dp_ifindex argument and simplify the
code.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Thomas Graf 2013-12-13 15:22:20 +01:00 committed by Jesse Gross
parent 44da5ae5fb
commit 8055a89cfa
1 changed files with 14 additions and 20 deletions
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34
net/openvswitch/datapath.c
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@ -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);