break;
case ODP_ACTION_ATTR_CONTROLLER:
- case ODP_ACTION_ATTR_DROP_SPOOFED_ARP:
break;
case ODP_ACTION_ATTR_SET_DL_TCI:
return 0;
}
-/* Returns true if 'packet' is an invalid Ethernet+IPv4 ARP packet: one with
- * screwy or truncated header fields or one whose inner and outer Ethernet
- * address differ. */
-static bool
-dp_netdev_is_spoofed_arp(struct ofpbuf *packet, const struct flow *key)
-{
- struct arp_eth_header *arp;
- struct eth_header *eth;
- ptrdiff_t l3_size;
-
- if (key->dl_type != htons(ETH_TYPE_ARP)) {
- return false;
- }
-
- l3_size = (char *) ofpbuf_end(packet) - (char *) packet->l3;
- if (l3_size < sizeof(struct arp_eth_header)) {
- return true;
- }
-
- eth = packet->l2;
- arp = packet->l3;
- return (arp->ar_hrd != htons(ARP_HRD_ETHERNET)
- || arp->ar_pro != htons(ARP_PRO_IP)
- || arp->ar_hln != ETH_HEADER_LEN
- || arp->ar_pln != 4
- || !eth_addr_equals(arp->ar_sha, eth->eth_src));
-}
-
static int
dp_netdev_execute_actions(struct dp_netdev *dp,
struct ofpbuf *packet, struct flow *key,
case ODP_ACTION_ATTR_SET_TP_DST:
dp_netdev_set_tp_port(packet, key, a);
break;
-
- case ODP_ACTION_ATTR_DROP_SPOOFED_ARP:
- if (dp_netdev_is_spoofed_arp(packet, key)) {
- return 0;
- }
}
}
return 0;