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net: skb->dst accessors

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Define three accessors to get/set dst attached to a skb

struct dst_entry *skb_dst(const struct sk_buff *skb)

void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst)

void skb_dst_drop(struct sk_buff *skb)
This one should replace occurrences of :
dst_release(skb->dst)
skb->dst = NULL;

Delete skb->dst field

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2009-06-02 05:19:30 +00:00
committed by David S. Miller
parent 511c3f92ad
commit adf30907d6
83 changed files with 414 additions and 390 deletions
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8
net/sched/cls_flow.c
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@@ -84,7 +84,7 @@ static u32 flow_get_dst(const struct sk_buff *skb)
case htons(ETH_P_IPV6):
return ntohl(ipv6_hdr(skb)->daddr.s6_addr32[3]);
default:
return addr_fold(skb->dst) ^ (__force u16)skb->protocol;
return addr_fold(skb_dst(skb)) ^ (__force u16)skb->protocol;
}
}
@@ -163,7 +163,7 @@ static u32 flow_get_proto_dst(const struct sk_buff *skb)
break;
}
default:
res = addr_fold(skb->dst) ^ (__force u16)skb->protocol;
res = addr_fold(skb_dst(skb)) ^ (__force u16)skb->protocol;
}
return res;
@@ -251,8 +251,8 @@ fallback:
static u32 flow_get_rtclassid(const struct sk_buff *skb)
{
#ifdef CONFIG_NET_CLS_ROUTE
if (skb->dst)
return skb->dst->tclassid;
if (skb_dst(skb))
return skb_dst(skb)->tclassid;
#endif
return 0;
}