int ovs_flow_key_extract(const struct ovs_tunnel_info *tun_info,
struct sk_buff *skb, struct sw_flow_key *key)
{
/* Extract metadata from packet. */
if (tun_info) {
memcpy(&key->tun_key, &tun_info->tunnel, sizeof(key->tun_key));
BUILD_BUG_ON(((1 << (sizeof(tun_info->options_len) * 8)) - 1) >
sizeof(key->tun_opts));
if (tun_info->options) {
memcpy(GENEVE_OPTS(key, tun_info->options_len),
tun_info->options, tun_info->options_len);
key->tun_opts_len = tun_info->options_len;
} else {
key->tun_opts_len = 0;
}
} else {
key->tun_opts_len = 0;
memset(&key->tun_key, 0, sizeof(key->tun_key));
}
key->phy.priority = skb->priority;
key->phy.in_port = OVS_CB(skb)->input_vport->port_no;
key->phy.skb_mark = skb->mark;
key->ovs_flow_hash = 0;
key->recirc_id = 0;
return key_extract(skb, key);
}
int ovs_flow_key_extract_recirc(u32 recirc_id,
const struct sw_flow_key *key,
struct sk_buff *skb,
struct sw_flow_key *new_key)
{
memset(new_key, 0, sizeof(*new_key));
memcpy(new_key, key, OVS_SW_FLOW_KEY_METADATA_SIZE);
new_key->recirc_id = recirc_id;
return key_extract(skb, new_key);
}
int ovs_flow_key_extract_userspace(const struct nlattr *attr,
struct sk_buff *skb,
struct sw_flow_key *key, bool log)
{
int err;
/* Extract metadata from netlink attributes. */
err = ovs_nla_get_flow_metadata(attr, key, log);
if (err)
return err;
return key_extract(skb, key);
}
int ovs_flow_key_extract(struct sk_buff *skb, struct sw_flow_key *key)
{
/* Extract metadata from packet. */
memset(key, 0, sizeof(*key));
if (OVS_CB(skb)->tun_key)
memcpy(&key->tun_key, OVS_CB(skb)->tun_key, sizeof(key->tun_key));
key->phy.priority = skb->priority;
key->phy.in_port = OVS_CB(skb)->input_vport->port_no;
key->phy.skb_mark = skb->mark;
return key_extract(skb, key);
}
int ovs_flow_key_extract_userspace(const struct nlattr *attr,
struct sk_buff *skb,
struct sw_flow_key *key, bool log)
{
int err;
memset(key, 0, OVS_SW_FLOW_KEY_METADATA_SIZE);
/* Extract metadata from netlink attributes. */
err = ovs_nla_get_flow_metadata(attr, key, log);
if (err)
return err;
return key_extract(skb, key);
}
int ovs_flow_key_update(struct sk_buff *skb, struct sw_flow_key *key)
{
return key_extract(skb, key);
}
bool operator()(const Value& lhs, const Value& rhs) const
{
KeyOfValue key_extract;
return Compare::operator()(key_extract(lhs), key_extract(rhs));
}