X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fdatapath.c;h=d607315edbc23f13c03021be31e976d3ed5f3a20;hb=045b2e5c77d02cd0d7bba046e2dbed72ec4828c8;hp=fc00d78788a567c35a77d5505bc2ab699b726c6e;hpb=007948177581f3b3dad188221593d0e4bdca6ba0;p=openvswitch diff --git a/datapath/datapath.c b/datapath/datapath.c index fc00d787..d607315e 100644 --- a/datapath/datapath.c +++ b/datapath/datapath.c @@ -273,10 +273,11 @@ void dp_process_received_packet(struct vport *p, struct sk_buff *skb) if (!OVS_CB(skb)->flow) { struct sw_flow_key key; struct tbl_node *flow_node; + int key_len; bool is_frag; /* Extract flow from 'skb' into 'key'. */ - error = flow_extract(skb, p->port_no, &key, &is_frag); + error = flow_extract(skb, p->port_no, &key, &key_len, &is_frag); if (unlikely(error)) { kfree_skb(skb); return; @@ -289,8 +290,8 @@ void dp_process_received_packet(struct vport *p, struct sk_buff *skb) } /* Look up flow. */ - flow_node = tbl_lookup(rcu_dereference(dp->table), &key, - flow_hash(&key), flow_cmp); + flow_node = tbl_lookup(rcu_dereference(dp->table), &key, key_len, + flow_hash(&key, key_len), flow_cmp); if (unlikely(!flow_node)) { struct dp_upcall_info upcall; @@ -651,9 +652,11 @@ static int odp_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info) bool is_frag; int len; int err; + int key_len; err = -EINVAL; - if (!a[ODP_PACKET_ATTR_PACKET] || !a[ODP_PACKET_ATTR_ACTIONS] || + if (!a[ODP_PACKET_ATTR_PACKET] || !a[ODP_PACKET_ATTR_KEY] || + !a[ODP_PACKET_ATTR_ACTIONS] || nla_len(a[ODP_PACKET_ATTR_PACKET]) < ETH_HLEN) goto err; @@ -687,10 +690,16 @@ static int odp_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info) if (IS_ERR(flow)) goto err_kfree_skb; - err = flow_extract(packet, -1, &flow->key, &is_frag); + err = flow_extract(packet, -1, &flow->key, &key_len, &is_frag); + if (err) + goto err_flow_put; + flow->tbl_node.hash = flow_hash(&flow->key, key_len); + + err = flow_metadata_from_nlattrs(&flow->key.eth.in_port, + &flow->key.eth.tun_id, + a[ODP_PACKET_ATTR_KEY]); if (err) goto err_flow_put; - flow->tbl_node.hash = flow_hash(&flow->key); acts = flow_actions_alloc(a[ODP_PACKET_ATTR_ACTIONS]); err = PTR_ERR(acts); @@ -723,6 +732,7 @@ err: static const struct nla_policy packet_policy[ODP_PACKET_ATTR_MAX + 1] = { [ODP_PACKET_ATTR_PACKET] = { .type = NLA_UNSPEC }, + [ODP_PACKET_ATTR_KEY] = { .type = NLA_NESTED }, [ODP_PACKET_ATTR_ACTIONS] = { .type = NLA_NESTED }, }; @@ -935,12 +945,13 @@ static int odp_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info) struct tbl *table; u32 hash; int error; + int key_len; /* Extract key. */ error = -EINVAL; if (!a[ODP_FLOW_ATTR_KEY]) goto error; - error = flow_from_nlattrs(&key, a[ODP_FLOW_ATTR_KEY]); + error = flow_from_nlattrs(&key, &key_len, a[ODP_FLOW_ATTR_KEY]); if (error) goto error; @@ -959,9 +970,9 @@ static int odp_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info) if (!dp) goto error; - hash = flow_hash(&key); + hash = flow_hash(&key, key_len); table = get_table_protected(dp); - flow_node = tbl_lookup(table, &key, hash, flow_cmp); + flow_node = tbl_lookup(table, &key, key_len, hash, flow_cmp); if (!flow_node) { struct sw_flow_actions *acts; @@ -1071,10 +1082,11 @@ static int odp_flow_cmd_get(struct sk_buff *skb, struct genl_info *info) struct datapath *dp; struct tbl *table; int err; + int key_len; if (!a[ODP_FLOW_ATTR_KEY]) return -EINVAL; - err = flow_from_nlattrs(&key, a[ODP_FLOW_ATTR_KEY]); + err = flow_from_nlattrs(&key, &key_len, a[ODP_FLOW_ATTR_KEY]); if (err) return err; @@ -1083,7 +1095,8 @@ static int odp_flow_cmd_get(struct sk_buff *skb, struct genl_info *info) return -ENODEV; table = get_table_protected(dp); - flow_node = tbl_lookup(table, &key, flow_hash(&key), flow_cmp); + flow_node = tbl_lookup(table, &key, key_len, flow_hash(&key, key_len), + flow_cmp); if (!flow_node) return -ENOENT; @@ -1106,10 +1119,11 @@ static int odp_flow_cmd_del(struct sk_buff *skb, struct genl_info *info) struct datapath *dp; struct tbl *table; int err; + int key_len; if (!a[ODP_FLOW_ATTR_KEY]) return flush_flows(odp_header->dp_ifindex); - err = flow_from_nlattrs(&key, a[ODP_FLOW_ATTR_KEY]); + err = flow_from_nlattrs(&key, &key_len, a[ODP_FLOW_ATTR_KEY]); if (err) return err; @@ -1118,7 +1132,8 @@ static int odp_flow_cmd_del(struct sk_buff *skb, struct genl_info *info) return -ENODEV; table = get_table_protected(dp); - flow_node = tbl_lookup(table, &key, flow_hash(&key), flow_cmp); + flow_node = tbl_lookup(table, &key, key_len, flow_hash(&key, key_len), + flow_cmp); if (!flow_node) return -ENOENT; flow = flow_cast(flow_node); @@ -1897,7 +1912,9 @@ static int odp_vport_cmd_get(struct sk_buff *skb, struct genl_info *info) if (IS_ERR(reply)) goto exit_unlock; - err = genlmsg_reply(reply, info); + rcu_read_unlock(); + + return genlmsg_reply(reply, info); exit_unlock: rcu_read_unlock();