Remove NXAST_DROP_SPOOFED_ARP action.

[sliver-openvswitch.git] / datapath / actions.c

diff --git a/datapath/actions.c b/datapath/actions.c
index de98d99..6c1ca49 100644 (file)
--- a/datapath/actions.c
+++ b/datapath/actions.c
@@ -216,34 +216,6 @@ static struct sk_buff *set_tp_port(struct sk_buff *skb, const struct nlattr *a)
        return skb;
 }
 
-/**
- * is_spoofed_arp - check for invalid ARP packet
- *
- * @skb: skbuff containing an Ethernet packet, with network header pointing
- * just past the Ethernet and optional 802.1Q header.
- *
- * Returns true if @skb 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 is_spoofed_arp(struct sk_buff *skb)
-{
-       struct arp_eth_header *arp;
-
-       if (OVS_CB(skb)->flow->key.eth.type != htons(ETH_P_ARP))
-               return false;
-
-       if (skb_network_offset(skb) + sizeof(struct arp_eth_header) > skb->len)
-               return true;
-
-       arp = (struct arp_eth_header *)skb_network_header(skb);
-       return (arp->ar_hrd != htons(ARPHRD_ETHER) ||
-               arp->ar_pro != htons(ETH_P_IP) ||
-               arp->ar_hln != ETH_ALEN ||
-               arp->ar_pln != 4 ||
-               compare_ether_addr(arp->ar_sha, eth_hdr(skb)->h_source));
-}
-
 static void do_output(struct datapath *dp, struct sk_buff *skb, int out_port)
 {
        struct vport *p;
@@ -359,16 +331,11 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb,
                case ODP_ACTION_ATTR_POP_PRIORITY:
                        skb->priority = priority;
                        break;
-
-               case ODP_ACTION_ATTR_DROP_SPOOFED_ARP:
-                       if (unlikely(is_spoofed_arp(skb)))
-                               goto exit;
-                       break;
                }
                if (!skb)
                        return -ENOMEM;
        }
-exit:
+
        if (prev_port != -1)
                do_output(dp, skb, prev_port);
        else