static int dp_netdev_output_userspace(struct dp_netdev *, const struct ofpbuf *,
int queue_no, const struct flow *,
const struct nlattr *userdata);
-static void dp_netdev_execute_actions(struct dp_netdev *,
- struct ofpbuf *, struct flow *,
+static void dp_netdev_execute_actions(struct dp_netdev *, const struct flow *,
+ struct ofpbuf *,
const struct nlattr *actions,
size_t actions_len);
static void dp_netdev_port_input(struct dp_netdev *dp,
dp->queues[i].head = dp->queues[i].tail = 0;
}
dp->queue_seq = seq_create();
- classifier_init(&dp->cls);
+ classifier_init(&dp->cls, NULL);
hmap_init(&dp->flow_table);
list_init(&dp->port_list);
dp->port_seq = seq_create();
dpif_netdev_execute(struct dpif *dpif, const struct dpif_execute *execute)
{
struct dp_netdev *dp = get_dp_netdev(dpif);
- struct ofpbuf copy;
- struct flow key;
+ struct flow md;
int error;
if (execute->packet->size < ETH_HEADER_LEN ||
return EINVAL;
}
- /* Make a deep copy of 'packet', because we might modify its data. */
- ofpbuf_init(©, DP_NETDEV_HEADROOM + execute->packet->size);
- ofpbuf_reserve(©, DP_NETDEV_HEADROOM);
- ofpbuf_put(©, execute->packet->data, execute->packet->size);
-
- flow_extract(©, 0, 0, NULL, NULL, &key);
- error = dpif_netdev_flow_from_nlattrs(execute->key, execute->key_len,
- &key);
+ /* Get packet metadata. */
+ error = dpif_netdev_flow_from_nlattrs(execute->key, execute->key_len, &md);
if (!error) {
+ struct ofpbuf *copy;
+ struct flow key;
+
+ /* Make a deep copy of 'packet', because we might modify its data. */
+ copy = ofpbuf_clone_with_headroom(execute->packet, DP_NETDEV_HEADROOM);
+
+ /* Extract flow key. */
+ flow_extract(copy, md.skb_priority, md.pkt_mark, &md.tunnel,
+ &md.in_port, &key);
ovs_mutex_lock(&dp_netdev_mutex);
- dp_netdev_execute_actions(dp, ©, &key,
+ dp_netdev_execute_actions(dp, &key, copy,
execute->actions, execute->actions_len);
ovs_mutex_unlock(&dp_netdev_mutex);
+ ofpbuf_delete(copy);
}
-
- ofpbuf_uninit(©);
return error;
}
netdev_flow = dp_netdev_lookup_flow(dp, &key);
if (netdev_flow) {
dp_netdev_flow_used(netdev_flow, packet);
- dp_netdev_execute_actions(dp, packet, &key,
+ dp_netdev_execute_actions(dp, &key, packet,
netdev_flow->actions,
netdev_flow->actions_len);
dp->n_hit++;
ovs_mutex_unlock(&dp_netdev_mutex);
}
-static void
-dp_netdev_output_port(void *dp_, struct ofpbuf *packet,
- const struct flow *flow OVS_UNUSED, odp_port_t out_port)
-{
- struct dp_netdev *dp = dp_;
- struct dp_netdev_port *p = dp->ports[odp_to_u32(out_port)];
- if (p) {
- netdev_send(p->netdev, packet);
- }
-}
-
static int
dp_netdev_output_userspace(struct dp_netdev *dp, const struct ofpbuf *packet,
int queue_no, const struct flow *flow,
}
}
+struct dp_netdev_execute_aux {
+ struct dp_netdev *dp;
+ const struct flow *key;
+};
+
static void
-dp_netdev_action_userspace(void *dp, struct ofpbuf *packet,
- const struct flow *key,
+dp_netdev_action_output(void *aux_, struct ofpbuf *packet,
+ const struct flow *flow OVS_UNUSED,
+ odp_port_t out_port)
+{
+ struct dp_netdev_execute_aux *aux = aux_;
+ struct dp_netdev_port *p = aux->dp->ports[odp_to_u32(out_port)];
+ if (p) {
+ netdev_send(p->netdev, packet);
+ }
+}
+
+static void
+dp_netdev_action_userspace(void *aux_, struct ofpbuf *packet,
+ const struct flow *flow OVS_UNUSED,
const struct nlattr *a)
{
+ struct dp_netdev_execute_aux *aux = aux_;
const struct nlattr *userdata;
userdata = nl_attr_find_nested(a, OVS_USERSPACE_ATTR_USERDATA);
- dp_netdev_output_userspace(dp, packet, DPIF_UC_ACTION, key, userdata);
+ dp_netdev_output_userspace(aux->dp, packet, DPIF_UC_ACTION, aux->key,
+ userdata);
}
static void
-dp_netdev_execute_actions(struct dp_netdev *dp,
- struct ofpbuf *packet, struct flow *key,
- const struct nlattr *actions,
- size_t actions_len)
+dp_netdev_execute_actions(struct dp_netdev *dp, const struct flow *key,
+ struct ofpbuf *packet,
+ const struct nlattr *actions, size_t actions_len)
{
- odp_execute_actions(dp, packet, key, actions, actions_len,
- dp_netdev_output_port, dp_netdev_action_userspace);
+ struct dp_netdev_execute_aux aux = {dp, key};
+ struct flow md = *key; /* Packet metadata, may be modified by actions. */
+
+ odp_execute_actions(&aux, packet, &md, actions, actions_len,
+ dp_netdev_action_output, dp_netdev_action_userspace);
}
const struct dpif_class dpif_netdev_class = {