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net-ipv4: remove 2 always zero parameters from ipv4_update_pmtu()

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(the parameters in question are mark and flow_flags)

Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maciej Żenczykowski 2018-09-25 20:56:26 -07:00 committed by David S. Miller
parent da58a931f2
commit d888f39666
12 changed files with 14 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/net/route.h
View File

@ -201,7 +201,7 @@ static inline int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src,
}
void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu, int oif,
u32 mark, u8 protocol, int flow_flags);
u8 protocol);
void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu);
void ipv4_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark,
u8 protocol, int flow_flags);

2
net/ipv4/ah4.c
View File

@ -461,7 +461,7 @@ static int ah4_err(struct sk_buff *skb, u32 info)
return 0;
if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_AH, 0);
ipv4_update_pmtu(skb, net, info, 0, IPPROTO_AH);
else
ipv4_redirect(skb, net, 0, 0, IPPROTO_AH, 0);
xfrm_state_put(x);

2
net/ipv4/esp4.c
View File

@ -820,7 +820,7 @@ static int esp4_err(struct sk_buff *skb, u32 info)
return 0;
if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_ESP, 0);
ipv4_update_pmtu(skb, net, info, 0, IPPROTO_ESP);
else
ipv4_redirect(skb, net, 0, 0, IPPROTO_ESP, 0);
xfrm_state_put(x);

2
net/ipv4/icmp.c
View File

@ -1098,7 +1098,7 @@ void icmp_err(struct sk_buff *skb, u32 info)
}
if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED)
ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_ICMP, 0);
ipv4_update_pmtu(skb, net, info, 0, IPPROTO_ICMP);
else if (type == ICMP_REDIRECT)
ipv4_redirect(skb, net, 0, 0, IPPROTO_ICMP, 0);
}

2
net/ipv4/ip_gre.c
View File

@ -239,7 +239,7 @@ static void gre_err(struct sk_buff *skb, u32 info)
if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED) {
ipv4_update_pmtu(skb, dev_net(skb->dev), info,
skb->dev->ifindex, 0, IPPROTO_GRE, 0);
skb->dev->ifindex, IPPROTO_GRE);
return;
}
if (type == ICMP_REDIRECT) {

2
net/ipv4/ip_vti.c
View File

@ -318,7 +318,7 @@ static int vti4_err(struct sk_buff *skb, u32 info)
return 0;
if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
ipv4_update_pmtu(skb, net, info, 0, 0, protocol, 0);
ipv4_update_pmtu(skb, net, info, 0, protocol);
else
ipv4_redirect(skb, net, 0, 0, protocol, 0);
xfrm_state_put(x);

2
net/ipv4/ipcomp.c
View File

@ -48,7 +48,7 @@ static int ipcomp4_err(struct sk_buff *skb, u32 info)
return 0;
if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_COMP, 0);
ipv4_update_pmtu(skb, net, info, 0, IPPROTO_COMP);
else
ipv4_redirect(skb, net, 0, 0, IPPROTO_COMP, 0);
xfrm_state_put(x);

3
net/ipv4/ipip.c
View File

@ -175,8 +175,7 @@ static int ipip_err(struct sk_buff *skb, u32 info)
}
if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED) {
ipv4_update_pmtu(skb, net, info, t->parms.link, 0,
iph->protocol, 0);
ipv4_update_pmtu(skb, net, info, t->parms.link, iph->protocol);
goto out;
}

8
net/ipv4/route.c
View File

@ -1040,17 +1040,15 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, struct sock *sk,
}
void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu,
int oif, u32 mark, u8 protocol, int flow_flags)
int oif, u8 protocol)
{
const struct iphdr *iph = (const struct iphdr *) skb->data;
struct flowi4 fl4;
struct rtable *rt;
if (!mark)
mark = IP4_REPLY_MARK(net, skb->mark);
u32 mark = IP4_REPLY_MARK(net, skb->mark);
__build_flow_key(net, &fl4, NULL, iph, oif,
RT_TOS(iph->tos), protocol, mark, flow_flags);
RT_TOS(iph->tos), protocol, mark, 0);
rt = __ip_route_output_key(net, &fl4);
if (!IS_ERR(rt)) {
__ip_rt_update_pmtu(rt, &fl4, mtu);

2
net/ipv6/sit.c
View File

@ -534,7 +534,7 @@ static int ipip6_err(struct sk_buff *skb, u32 info)
if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED) {
ipv4_update_pmtu(skb, dev_net(skb->dev), info,
t->parms.link, 0, iph->protocol, 0);
t->parms.link, iph->protocol);
err = 0;
goto out;
}

3
net/netfilter/ipvs/ip_vs_core.c
View File

@ -1686,8 +1686,7 @@ ip_vs_in_icmp(struct netns_ipvs *ipvs, struct sk_buff *skb, int *related,
skb_reset_network_header(skb);
IP_VS_DBG(12, "ICMP for IPIP %pI4->%pI4: mtu=%u\n",
&ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr, mtu);
ipv4_update_pmtu(skb, ipvs->net,
mtu, 0, 0, 0, 0);
ipv4_update_pmtu(skb, ipvs->net, mtu, 0, 0);
/* Client uses PMTUD? */
if (!(frag_off & htons(IP_DF)))
goto ignore_ipip;

2
net/xfrm/xfrm_interface.c
View File

@ -469,7 +469,7 @@ static int xfrmi4_err(struct sk_buff *skb, u32 info)
}
if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
ipv4_update_pmtu(skb, net, info, 0, 0, protocol, 0);
ipv4_update_pmtu(skb, net, info, 0, protocol);
else
ipv4_redirect(skb, net, 0, 0, protocol, 0);
xfrm_state_put(x);