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提交 f8a26028 编写于 作者: S Stephen Hemminger 提交者： David S. Miller
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[BRIDGE]: netfilter dont use __constant_htons 

Only use__constant_htons() for initializers and switch cases.
For other uses, it is just as efficient and clearer to use htons
Signed-off-by: NStephen Hemminger <shemminger@osdl.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 789bc3e5
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Showing with 25 addition and 25 deletion
net/bridge/br_netfilter.c
浏览文件 @ f8a26028
......@@ -61,14 +61,14 @@ static int brnf_filter_vlan_tagged = 1;
#define brnf_filter_vlan_tagged 1
#endif
#define IS_VLAN_IP (skb->protocol == __constant_htons(ETH_P_8021Q) && \
hdr->h_vlan_encapsulated_proto == __constant_htons(ETH_P_IP) && \
#define IS_VLAN_IP (skb->protocol == htons(ETH_P_8021Q) && \
hdr->h_vlan_encapsulated_proto == htons(ETH_P_IP) && \
brnf_filter_vlan_tagged)
#define IS_VLAN_IPV6 (skb->protocol == __constant_htons(ETH_P_8021Q) && \
hdr->h_vlan_encapsulated_proto == __constant_htons(ETH_P_IPV6) && \
#define IS_VLAN_IPV6 (skb->protocol == htons(ETH_P_8021Q) && \
hdr->h_vlan_encapsulated_proto == htons(ETH_P_IPV6) && \
brnf_filter_vlan_tagged)
#define IS_VLAN_ARP (skb->protocol == __constant_htons(ETH_P_8021Q) && \
hdr->h_vlan_encapsulated_proto == __constant_htons(ETH_P_ARP) && \
#define IS_VLAN_ARP (skb->protocol == htons(ETH_P_8021Q) && \
hdr->h_vlan_encapsulated_proto == htons(ETH_P_ARP) && \
brnf_filter_vlan_tagged)
/* We need these fake structures to make netfilter happy --
......@@ -120,7 +120,7 @@ static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb)
dst_hold(skb->dst);
skb->dev = nf_bridge->physindev;
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_push(skb, VLAN_HLEN);
skb->nh.raw -= VLAN_HLEN;
}
......@@ -196,7 +196,7 @@ static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb)
if (!skb->dev)
kfree_skb(skb);
else {
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_pull(skb, VLAN_HLEN);
skb->nh.raw += VLAN_HLEN;
}
......@@ -252,7 +252,7 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
nf_bridge->mask |= BRNF_BRIDGED_DNAT;
skb->dev = nf_bridge->physindev;
if (skb->protocol ==
__constant_htons(ETH_P_8021Q)) {
htons(ETH_P_8021Q)) {
skb_push(skb, VLAN_HLEN);
skb->nh.raw -= VLAN_HLEN;
}
......@@ -271,7 +271,7 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
}
skb->dev = nf_bridge->physindev;
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_push(skb, VLAN_HLEN);
skb->nh.raw -= VLAN_HLEN;
}
......@@ -421,7 +421,7 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff **pskb,
struct nf_bridge_info *nf_bridge;
struct vlan_ethhdr *hdr = vlan_eth_hdr(*pskb);
if (skb->protocol == __constant_htons(ETH_P_IPV6) || IS_VLAN_IPV6) {
if (skb->protocol == htons(ETH_P_IPV6) || IS_VLAN_IPV6) {
#ifdef CONFIG_SYSCTL
if (!brnf_call_ip6tables)
return NF_ACCEPT;
......@@ -429,7 +429,7 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff **pskb,
if ((skb = skb_share_check(*pskb, GFP_ATOMIC)) == NULL)
goto out;
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_pull_rcsum(skb, VLAN_HLEN);
skb->nh.raw += VLAN_HLEN;
}
......@@ -440,13 +440,13 @@ static unsigned int br_nf_pre_routing(unsigned int hook, struct sk_buff **pskb,
return NF_ACCEPT;
#endif
if (skb->protocol != __constant_htons(ETH_P_IP) && !IS_VLAN_IP)
if (skb->protocol != htons(ETH_P_IP) && !IS_VLAN_IP)
return NF_ACCEPT;
if ((skb = skb_share_check(*pskb, GFP_ATOMIC)) == NULL)
goto out;
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_pull_rcsum(skb, VLAN_HLEN);
skb->nh.raw += VLAN_HLEN;
}
......@@ -523,7 +523,7 @@ static int br_nf_forward_finish(struct sk_buff *skb)
struct net_device *in;
struct vlan_ethhdr *hdr = vlan_eth_hdr(skb);
if (skb->protocol != __constant_htons(ETH_P_ARP) && !IS_VLAN_ARP) {
if (skb->protocol != htons(ETH_P_ARP) && !IS_VLAN_ARP) {
in = nf_bridge->physindev;
if (nf_bridge->mask & BRNF_PKT_TYPE) {
skb->pkt_type = PACKET_OTHERHOST;
......@@ -532,7 +532,7 @@ static int br_nf_forward_finish(struct sk_buff *skb)
} else {
in = *((struct net_device **)(skb->cb));
}
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_push(skb, VLAN_HLEN);
skb->nh.raw -= VLAN_HLEN;
}
......@@ -564,12 +564,12 @@ static unsigned int br_nf_forward_ip(unsigned int hook, struct sk_buff **pskb,
if (!parent)
return NF_DROP;
if (skb->protocol == __constant_htons(ETH_P_IP) || IS_VLAN_IP)
if (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP)
pf = PF_INET;
else
pf = PF_INET6;
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_pull(*pskb, VLAN_HLEN);
(*pskb)->nh.raw += VLAN_HLEN;
}
......@@ -604,7 +604,7 @@ static unsigned int br_nf_forward_arp(unsigned int hook, struct sk_buff **pskb,
return NF_ACCEPT;
#endif
if (skb->protocol != __constant_htons(ETH_P_ARP)) {
if (skb->protocol != htons(ETH_P_ARP)) {
if (!IS_VLAN_ARP)
return NF_ACCEPT;
skb_pull(*pskb, VLAN_HLEN);
......@@ -628,7 +628,7 @@ static unsigned int br_nf_forward_arp(unsigned int hook, struct sk_buff **pskb,
/* PF_BRIDGE/LOCAL_OUT ***********************************************/
static int br_nf_local_out_finish(struct sk_buff *skb)
{
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_push(skb, VLAN_HLEN);
skb->nh.raw -= VLAN_HLEN;
}
......@@ -673,7 +673,7 @@ static unsigned int br_nf_local_out(unsigned int hook, struct sk_buff **pskb,
if (!skb->nf_bridge)
return NF_ACCEPT;
if (skb->protocol == __constant_htons(ETH_P_IP) || IS_VLAN_IP)
if (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP)
pf = PF_INET;
else
pf = PF_INET6;
......@@ -699,7 +699,7 @@ static unsigned int br_nf_local_out(unsigned int hook, struct sk_buff **pskb,
skb->pkt_type = PACKET_OTHERHOST;
nf_bridge->mask ^= BRNF_PKT_TYPE;
}
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_push(skb, VLAN_HLEN);
skb->nh.raw -= VLAN_HLEN;
}
......@@ -717,7 +717,7 @@ static unsigned int br_nf_local_out(unsigned int hook, struct sk_buff **pskb,
if (nf_bridge->netoutdev)
realoutdev = nf_bridge->netoutdev;
#endif
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_pull(skb, VLAN_HLEN);
(*pskb)->nh.raw += VLAN_HLEN;
}
......@@ -772,7 +772,7 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff **pskb,
if (!realoutdev)
return NF_DROP;
if (skb->protocol == __constant_htons(ETH_P_IP) || IS_VLAN_IP)
if (skb->protocol == htons(ETH_P_IP) || IS_VLAN_IP)
pf = PF_INET;
else
pf = PF_INET6;
......@@ -791,7 +791,7 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff **pskb,
nf_bridge->mask |= BRNF_PKT_TYPE;
}
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
if (skb->protocol == htons(ETH_P_8021Q)) {
skb_pull(skb, VLAN_HLEN);
skb->nh.raw += VLAN_HLEN;
}
......
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