net: use indirect calls helpers for ptype hook
authorPaolo Abeni <pabeni@redhat.com>
Fri, 3 May 2019 15:01:36 +0000 (17:01 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sun, 5 May 2019 17:38:04 +0000 (10:38 -0700)
This avoids an indirect call per RX IPv6/IPv4 packet.
Note that we don't want to use the indirect calls helper for taps.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/dev.c

index 22f2640..108ac81 100644 (file)
@@ -4987,7 +4987,8 @@ static int __netif_receive_skb_one_core(struct sk_buff *skb, bool pfmemalloc)
 
        ret = __netif_receive_skb_core(skb, pfmemalloc, &pt_prev);
        if (pt_prev)
-               ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
+               ret = INDIRECT_CALL_INET(pt_prev->func, ipv6_rcv, ip_rcv, skb,
+                                        skb->dev, pt_prev, orig_dev);
        return ret;
 }
 
@@ -5033,7 +5034,8 @@ static inline void __netif_receive_skb_list_ptype(struct list_head *head,
        else
                list_for_each_entry_safe(skb, next, head, list) {
                        skb_list_del_init(skb);
-                       pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
+                       INDIRECT_CALL_INET(pt_prev->func, ipv6_rcv, ip_rcv, skb,
+                                          skb->dev, pt_prev, orig_dev);
                }
 }