diff options
| -rw-r--r-- | include/net/dst.h | 1 | ||||
| -rw-r--r-- | net/core/dst.c | 3 | ||||
| -rw-r--r-- | net/decnet/dn_route.c | 13 | ||||
| -rw-r--r-- | net/ipv4/route.c | 11 | ||||
| -rw-r--r-- | net/ipv6/exthdrs.c | 13 | ||||
| -rw-r--r-- | net/ipv6/route.c | 21 |
6 files changed, 13 insertions, 49 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index 69888f1502b..7a0b1bde8e2 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -179,6 +179,7 @@ static inline struct dst_entry *dst_pop(struct dst_entry *dst) return child; } +extern int dst_discard(struct sk_buff *skb); extern void * dst_alloc(struct dst_ops * ops); extern void __dst_free(struct dst_entry * dst); extern struct dst_entry *dst_destroy(struct dst_entry * dst); diff --git a/net/core/dst.c b/net/core/dst.c index 03daead3592..f538061f4b9 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -153,11 +153,12 @@ loop: #endif } -static int dst_discard(struct sk_buff *skb) +int dst_discard(struct sk_buff *skb) { kfree_skb(skb); return 0; } +EXPORT_SYMBOL(dst_discard); void * dst_alloc(struct dst_ops * ops) { diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 23aa3556e56..2a5bb0714c7 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -765,17 +765,6 @@ drop: } /* - * Drop packet. This is used for endnodes and for - * when we should not be forwarding packets from - * this dest. - */ -static int dn_blackhole(struct sk_buff *skb) -{ - kfree_skb(skb); - return NET_RX_DROP; -} - -/* * Used to catch bugs. This should never normally get * called. */ @@ -1396,7 +1385,7 @@ make_route: default: case RTN_UNREACHABLE: case RTN_BLACKHOLE: - rt->u.dst.input = dn_blackhole; + rt->u.dst.input = dst_discard; } rt->rt_flags = flags; if (rt->u.dst.dev) diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 49e008568dd..137b8eb666b 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -92,6 +92,7 @@ #include <linux/jhash.h> #include <linux/rcupdate.h> #include <linux/times.h> +#include <net/dst.h> #include <net/net_namespace.h> #include <net/protocol.h> #include <net/ip.h> @@ -2357,12 +2358,6 @@ static struct dst_ops ipv4_dst_blackhole_ops = { }; -static int ipv4_blackhole_output(struct sk_buff *skb) -{ - kfree_skb(skb); - return 0; -} - static int ipv4_dst_blackhole(struct rtable **rp, struct flowi *flp, struct sock *sk) { struct rtable *ort = *rp; @@ -2374,8 +2369,8 @@ static int ipv4_dst_blackhole(struct rtable **rp, struct flowi *flp, struct sock atomic_set(&new->__refcnt, 1); new->__use = 1; - new->input = ipv4_blackhole_output; - new->output = ipv4_blackhole_output; + new->input = dst_discard; + new->output = dst_discard; memcpy(new->metrics, ort->u.dst.metrics, RTAX_MAX*sizeof(u32)); new->dev = ort->u.dst.dev; diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 1e89efd38a0..cee06b1655c 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -32,6 +32,7 @@ #include <linux/in6.h> #include <linux/icmpv6.h> +#include <net/dst.h> #include <net/sock.h> #include <net/snmp.h> @@ -318,18 +319,8 @@ void __init ipv6_destopt_init(void) printk(KERN_ERR "ipv6_destopt_init: Could not register protocol\n"); } -/******************************** - NONE header. No data in packet. - ********************************/ - -static int ipv6_nodata_rcv(struct sk_buff *skb) -{ - kfree_skb(skb); - return 0; -} - static struct inet6_protocol nodata_protocol = { - .handler = ipv6_nodata_rcv, + .handler = dst_discard, .flags = INET6_PROTO_NOPOLICY, }; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 20083e0d399..ac70e2d3b10 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -152,7 +152,6 @@ struct rt6_info ip6_null_entry = { static int ip6_pkt_prohibit(struct sk_buff *skb); static int ip6_pkt_prohibit_out(struct sk_buff *skb); -static int ip6_pkt_blk_hole(struct sk_buff *skb); struct rt6_info ip6_prohibit_entry = { .u = { @@ -181,8 +180,8 @@ struct rt6_info ip6_blk_hole_entry = { .obsolete = -1, .error = -EINVAL, .metrics = { [RTAX_HOPLIMIT - 1] = 255, }, - .input = ip6_pkt_blk_hole, - .output = ip6_pkt_blk_hole, + .input = dst_discard, + .output = dst_discard, .ops = &ip6_dst_ops, .path = (struct dst_entry*)&ip6_blk_hole_entry, } @@ -782,12 +781,6 @@ struct dst_entry * ip6_route_output(struct sock *sk, struct flowi *fl) EXPORT_SYMBOL(ip6_route_output); -static int ip6_blackhole_output(struct sk_buff *skb) -{ - kfree_skb(skb); - return 0; -} - int ip6_dst_blackhole(struct sock *sk, struct dst_entry **dstp, struct flowi *fl) { struct rt6_info *ort = (struct rt6_info *) *dstp; @@ -800,8 +793,8 @@ int ip6_dst_blackhole(struct sock *sk, struct dst_entry **dstp, struct flowi *fl atomic_set(&new->__refcnt, 1); new->__use = 1; - new->input = ip6_blackhole_output; - new->output = ip6_blackhole_output; + new->input = dst_discard; + new->output = dst_discard; memcpy(new->metrics, ort->u.dst.metrics, RTAX_MAX*sizeof(u32)); new->dev = ort->u.dst.dev; @@ -1811,12 +1804,6 @@ static int ip6_pkt_prohibit_out(struct sk_buff *skb) return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES); } -static int ip6_pkt_blk_hole(struct sk_buff *skb) -{ - kfree_skb(skb); - return 0; -} - #endif /* |