diff options
-rw-r--r-- | include/linux/inetdevice.h | 2 | ||||
-rw-r--r-- | net/ipv4/arp.c | 11 | ||||
-rw-r--r-- | net/ipv4/devinet.c | 17 |
3 files changed, 12 insertions, 18 deletions
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h index b3c5081de02d..45f373107530 100644 --- a/include/linux/inetdevice.h +++ b/include/linux/inetdevice.h | |||
@@ -135,7 +135,7 @@ extern int devinet_ioctl(unsigned int cmd, void __user *); | |||
135 | extern void devinet_init(void); | 135 | extern void devinet_init(void); |
136 | extern struct in_device *inetdev_by_index(int); | 136 | extern struct in_device *inetdev_by_index(int); |
137 | extern __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope); | 137 | extern __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope); |
138 | extern __be32 inet_confirm_addr(const struct net_device *dev, __be32 dst, __be32 local, int scope); | 138 | extern __be32 inet_confirm_addr(struct in_device *in_dev, __be32 dst, __be32 local, int scope); |
139 | extern struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix, __be32 mask); | 139 | extern struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix, __be32 mask); |
140 | 140 | ||
141 | static __inline__ int inet_ifa_match(__be32 addr, struct in_ifaddr *ifa) | 141 | static __inline__ int inet_ifa_match(__be32 addr, struct in_ifaddr *ifa) |
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 357e8987146b..6f0827b2b154 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c | |||
@@ -382,8 +382,7 @@ static void arp_solicit(struct neighbour *neigh, struct sk_buff *skb) | |||
382 | read_unlock_bh(&neigh->lock); | 382 | read_unlock_bh(&neigh->lock); |
383 | } | 383 | } |
384 | 384 | ||
385 | static int arp_ignore(struct in_device *in_dev, struct net_device *dev, | 385 | static int arp_ignore(struct in_device *in_dev, __be32 sip, __be32 tip) |
386 | __be32 sip, __be32 tip) | ||
387 | { | 386 | { |
388 | int scope; | 387 | int scope; |
389 | 388 | ||
@@ -403,7 +402,7 @@ static int arp_ignore(struct in_device *in_dev, struct net_device *dev, | |||
403 | case 3: /* Do not reply for scope host addresses */ | 402 | case 3: /* Do not reply for scope host addresses */ |
404 | sip = 0; | 403 | sip = 0; |
405 | scope = RT_SCOPE_LINK; | 404 | scope = RT_SCOPE_LINK; |
406 | dev = NULL; | 405 | in_dev = NULL; |
407 | break; | 406 | break; |
408 | case 4: /* Reserved */ | 407 | case 4: /* Reserved */ |
409 | case 5: | 408 | case 5: |
@@ -415,7 +414,7 @@ static int arp_ignore(struct in_device *in_dev, struct net_device *dev, | |||
415 | default: | 414 | default: |
416 | return 0; | 415 | return 0; |
417 | } | 416 | } |
418 | return !inet_confirm_addr(dev, sip, tip, scope); | 417 | return !inet_confirm_addr(in_dev, sip, tip, scope); |
419 | } | 418 | } |
420 | 419 | ||
421 | static int arp_filter(__be32 sip, __be32 tip, struct net_device *dev) | 420 | static int arp_filter(__be32 sip, __be32 tip, struct net_device *dev) |
@@ -807,7 +806,7 @@ static int arp_process(struct sk_buff *skb) | |||
807 | if (sip == 0) { | 806 | if (sip == 0) { |
808 | if (arp->ar_op == htons(ARPOP_REQUEST) && | 807 | if (arp->ar_op == htons(ARPOP_REQUEST) && |
809 | inet_addr_type(&init_net, tip) == RTN_LOCAL && | 808 | inet_addr_type(&init_net, tip) == RTN_LOCAL && |
810 | !arp_ignore(in_dev,dev,sip,tip)) | 809 | !arp_ignore(in_dev, sip, tip)) |
811 | arp_send(ARPOP_REPLY, ETH_P_ARP, sip, dev, tip, sha, | 810 | arp_send(ARPOP_REPLY, ETH_P_ARP, sip, dev, tip, sha, |
812 | dev->dev_addr, sha); | 811 | dev->dev_addr, sha); |
813 | goto out; | 812 | goto out; |
@@ -825,7 +824,7 @@ static int arp_process(struct sk_buff *skb) | |||
825 | int dont_send = 0; | 824 | int dont_send = 0; |
826 | 825 | ||
827 | if (!dont_send) | 826 | if (!dont_send) |
828 | dont_send |= arp_ignore(in_dev,dev,sip,tip); | 827 | dont_send |= arp_ignore(in_dev,sip,tip); |
829 | if (!dont_send && IN_DEV_ARPFILTER(in_dev)) | 828 | if (!dont_send && IN_DEV_ARPFILTER(in_dev)) |
830 | dont_send |= arp_filter(sip,tip,dev); | 829 | dont_send |= arp_filter(sip,tip,dev); |
831 | if (!dont_send) | 830 | if (!dont_send) |
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 03db15b10309..dc1665a2b075 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c | |||
@@ -968,24 +968,19 @@ static __be32 confirm_addr_indev(struct in_device *in_dev, __be32 dst, | |||
968 | 968 | ||
969 | /* | 969 | /* |
970 | * Confirm that local IP address exists using wildcards: | 970 | * Confirm that local IP address exists using wildcards: |
971 | * - dev: only on this interface, 0=any interface | 971 | * - in_dev: only on this interface, 0=any interface |
972 | * - dst: only in the same subnet as dst, 0=any dst | 972 | * - dst: only in the same subnet as dst, 0=any dst |
973 | * - local: address, 0=autoselect the local address | 973 | * - local: address, 0=autoselect the local address |
974 | * - scope: maximum allowed scope value for the local address | 974 | * - scope: maximum allowed scope value for the local address |
975 | */ | 975 | */ |
976 | __be32 inet_confirm_addr(const struct net_device *dev, __be32 dst, __be32 local, int scope) | 976 | __be32 inet_confirm_addr(struct in_device *in_dev, |
977 | __be32 dst, __be32 local, int scope) | ||
977 | { | 978 | { |
978 | __be32 addr = 0; | 979 | __be32 addr = 0; |
979 | struct in_device *in_dev; | 980 | struct net_device *dev; |
980 | |||
981 | if (dev) { | ||
982 | rcu_read_lock(); | ||
983 | if ((in_dev = __in_dev_get_rcu(dev))) | ||
984 | addr = confirm_addr_indev(in_dev, dst, local, scope); | ||
985 | rcu_read_unlock(); | ||
986 | 981 | ||
987 | return addr; | 982 | if (in_dev != NULL) |
988 | } | 983 | return confirm_addr_indev(in_dev, dst, local, scope); |
989 | 984 | ||
990 | read_lock(&dev_base_lock); | 985 | read_lock(&dev_base_lock); |
991 | rcu_read_lock(); | 986 | rcu_read_lock(); |