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fib_validate_source(): pass sk_buff instead of mark 

This makes sk_buff available for other use in fib_validate_source().

Signed-off-by: Michael Smith <msmith@cbnco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Smith 2011-04-07 04:51:50 +00:00 committed by David S. Miller
parent 5325e92f33
commit 5c04c819a2
3 changed files with 15 additions and 17 deletions
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6
include/net/ip_fib.h
View File

@ -227,9 +227,9 @@ extern struct fib_table *fib_get_table(struct net *net, u32 id);
/* Exported by fib_frontend.c */
extern const struct nla_policy rtm_ipv4_policy[];
extern void ip_fib_init(void);
extern int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
struct net_device *dev, __be32 *spec_dst,
u32 *itag, u32 mark);
extern int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst,
u8 tos, int oif, struct net_device *dev,
__be32 *spec_dst, u32 *itag);
extern void fib_select_default(struct fib_result *res);
/* Exported by fib_semantics.c */

10
net/ipv4/fib_frontend.c
View File

@ -188,9 +188,9 @@ EXPORT_SYMBOL(inet_dev_addr_type);
* - check, that packet arrived from expected physical interface.
* called with rcu_read_lock()
*/
int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
struct net_device *dev, __be32 *spec_dst,
u32 *itag, u32 mark)
int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, u8 tos,
int oif, struct net_device *dev, __be32 *spec_dst,
u32 *itag)
{
struct in_device *in_dev;
struct flowi4 fl4;
@ -202,7 +202,6 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
fl4.flowi4_oif = 0;
fl4.flowi4_iif = oif;
fl4.flowi4_mark = mark;
fl4.daddr = src;
fl4.saddr = dst;
fl4.flowi4_tos = tos;
@ -214,8 +213,7 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
no_addr = in_dev->ifa_list == NULL;
rpf = IN_DEV_RPFILTER(in_dev);
accept_local = IN_DEV_ACCEPT_LOCAL(in_dev);
if (mark && !IN_DEV_SRC_VMARK(in_dev))
fl4.flowi4_mark = 0;
fl4.flowi4_mark = IN_DEV_SRC_VMARK(in_dev) ? skb->mark : 0;
}
if (in_dev == NULL)

16
net/ipv4/route.c
View File

@ -1871,8 +1871,8 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
goto e_inval;
spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
} else {
err = fib_validate_source(saddr, 0, tos, 0, dev, &spec_dst,
&itag, 0);
err = fib_validate_source(skb, saddr, 0, tos, 0, dev, &spec_dst,
&itag);
if (err < 0)
goto e_err;
}
@ -1981,8 +1981,8 @@ static int __mkroute_input(struct sk_buff *skb,
}
err = fib_validate_source(saddr, daddr, tos, FIB_RES_OIF(*res),
in_dev->dev, &spec_dst, &itag, skb->mark);
err = fib_validate_source(skb, saddr, daddr, tos, FIB_RES_OIF(*res),
in_dev->dev, &spec_dst, &itag);
if (err < 0) {
ip_handle_martian_source(in_dev->dev, in_dev, skb, daddr,
saddr);
@ -2150,9 +2150,9 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
goto brd_input;
if (res.type == RTN_LOCAL) {
err = fib_validate_source(saddr, daddr, tos,
err = fib_validate_source(skb, saddr, daddr, tos,
net->loopback_dev->ifindex,
dev, &spec_dst, &itag, skb->mark);
dev, &spec_dst, &itag);
if (err < 0)
goto martian_source_keep_err;
if (err)
@ -2176,8 +2176,8 @@ brd_input:
if (ipv4_is_zeronet(saddr))
spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
else {
err = fib_validate_source(saddr, 0, tos, 0, dev, &spec_dst,
&itag, skb->mark);
err = fib_validate_source(skb, saddr, 0, tos, 0, dev, &spec_dst,
&itag);
if (err < 0)
goto martian_source_keep_err;
if (err)