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| author | Pravin B Shelar <pshelar@nicira.com> | 2014-09-15 19:20:31 -0700 |
|---|---|---|
| committer | Pravin B Shelar <pshelar@nicira.com> | 2014-09-15 23:28:13 -0700 |
| commit | 83c8df26a3b654871c0503fcf6eac61777e12ea1 (patch) | |
| tree | a3746dd3c1a08342635b654cd56df432490fa25f /net/openvswitch/flow_netlink.c | |
| parent | 2ff3e4e4868675da1024175215991fa6d9856731 (diff) | |
| download | linux-83c8df26a3b654871c0503fcf6eac61777e12ea1.tar.gz | |
openvswitch: refactor ovs flow extract API.
OVS flow extract is called on packet receive or packet execute code path. Following patch defines separate API for extracting flow-key in packet execute code path. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Andy Zhou <azhou@nicira.com>
Diffstat (limited to 'net/openvswitch/flow_netlink.c')
| -rw-r--r-- | net/openvswitch/flow_netlink.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c index d757848da89c..630b320fbf3e 100644 --- a/net/openvswitch/flow_netlink.c +++ b/net/openvswitch/flow_netlink.c @@ -836,7 +836,7 @@ int ovs_nla_get_match(struct sw_flow_match *match, /** * ovs_nla_get_flow_metadata - parses Netlink attributes into a flow key. - * @flow: Receives extracted in_port, priority, tun_key and skb_mark. + * @key: Receives extracted in_port, priority, tun_key and skb_mark. * @attr: Netlink attribute holding nested %OVS_KEY_ATTR_* Netlink attribute * sequence. * @@ -846,32 +846,24 @@ int ovs_nla_get_match(struct sw_flow_match *match, * extracted from the packet itself. */ -int ovs_nla_get_flow_metadata(struct sw_flow *flow, - const struct nlattr *attr) +int ovs_nla_get_flow_metadata(const struct nlattr *attr, + struct sw_flow_key *key) { - struct ovs_key_ipv4_tunnel *tun_key = &flow->key.tun_key; const struct nlattr *a[OVS_KEY_ATTR_MAX + 1]; + struct sw_flow_match match; u64 attrs = 0; int err; - struct sw_flow_match match; - - flow->key.phy.in_port = DP_MAX_PORTS; - flow->key.phy.priority = 0; - flow->key.phy.skb_mark = 0; - memset(tun_key, 0, sizeof(flow->key.tun_key)); err = parse_flow_nlattrs(attr, a, &attrs); if (err) return -EINVAL; memset(&match, 0, sizeof(match)); - match.key = &flow->key; + match.key = key; - err = metadata_from_nlattrs(&match, &attrs, a, false); - if (err) - return err; + key->phy.in_port = DP_MAX_PORTS; - return 0; + return metadata_from_nlattrs(&match, &attrs, a, false); } int ovs_nla_put_flow(const struct sw_flow_key *swkey, |