X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Flinux%2Fnetfilter_bridge.h;h=499aa937590128650c2846b0347fb344550bd342;hb=69d44a1835ec8163a82c4ee57367f87ae0f85c2e;hp=19060030bac9791344330556bbdda668b1d0cac0;hpb=98b96173c777c67daaa7d163a35e591e1928a164;p=linux-2.6-omap-h63xx.git diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h index 19060030bac..499aa937590 100644 --- a/include/linux/netfilter_bridge.h +++ b/include/linux/netfilter_bridge.h @@ -50,23 +50,31 @@ enum nf_br_hook_priorities { extern int nf_bridge_copy_header(struct sk_buff *skb); static inline int nf_bridge_maybe_copy_header(struct sk_buff *skb) { - if (skb->nf_bridge) + if (skb->nf_bridge && + skb->nf_bridge->mask & (BRNF_BRIDGED | BRNF_BRIDGED_DNAT)) return nf_bridge_copy_header(skb); return 0; } +static inline unsigned int nf_bridge_encap_header_len(const struct sk_buff *skb) +{ + switch (skb->protocol) { + case __constant_htons(ETH_P_8021Q): + return VLAN_HLEN; + case __constant_htons(ETH_P_PPP_SES): + return PPPOE_SES_HLEN; + default: + return 0; + } +} + /* This is called by the IP fragmenting code and it ensures there is * enough room for the encapsulating header (if there is one). */ -static inline int nf_bridge_pad(const struct sk_buff *skb) +static inline unsigned int nf_bridge_pad(const struct sk_buff *skb) { - int padding = 0; - - if (skb->nf_bridge && skb->protocol == htons(ETH_P_8021Q)) - padding = VLAN_HLEN; - else if (skb->nf_bridge && skb->protocol == htons(ETH_P_PPP_SES)) - padding = PPPOE_SES_HLEN; - - return padding; + if (skb->nf_bridge) + return nf_bridge_encap_header_len(skb); + return 0; } struct bridge_skb_cb {