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ipv6: Move exthdr offload support into separate file

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Move the exthdr offload functionality into a separeate
file in preparate for moving it out of the module

Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich
2012-11-15 08:49:19 +00:00
committed by David S. Miller
parent 5edbb07dc9
commit 2207afc8bf
4 changed files with 55 additions and 37 deletions
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40
net/ipv6/exthdrs.c
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@@ -48,6 +48,7 @@
#endif
#include <asm/uaccess.h>
#include "ip6_offload.h"
int ipv6_find_tlv(struct sk_buff *skb, int offset, int type)
{
@@ -528,20 +529,12 @@ unknown_rh:
static const struct inet6_protocol rthdr_protocol = {
.handler = ipv6_rthdr_rcv,
.flags = INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR,
};
static const struct net_offload rthdr_offload = {
.flags = INET6_PROTO_GSO_EXTHDR,
.flags = INET6_PROTO_NOPOLICY,
};
static const struct inet6_protocol destopt_protocol = {
.handler = ipv6_destopt_rcv,
.flags = INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR,
};
static const struct net_offload dstopt_offload = {
.flags = INET6_PROTO_GSO_EXTHDR,
.flags = INET6_PROTO_NOPOLICY,
};
static const struct inet6_protocol nodata_protocol = {
@@ -549,32 +542,6 @@ static const struct inet6_protocol nodata_protocol = {
.flags = INET6_PROTO_NOPOLICY,
};
static int ipv6_exthdrs_offload_init(void)
{
int ret;
ret = inet6_add_offload(&rthdr_offload, IPPROTO_ROUTING);
if (!ret)
goto out;
ret = inet6_add_offload(&dstopt_offload, IPPROTO_DSTOPTS);
if (!ret)
goto out_rt;
out:
return ret;
out_rt:
inet_del_offload(&rthdr_offload, IPPROTO_ROUTING);
goto out;
}
static void ipv6_exthdrs_offload_exit(void)
{
inet_del_offload(&rthdr_offload, IPPROTO_ROUTING);
inet_del_offload(&rthdr_offload, IPPROTO_DSTOPTS);
}
int __init ipv6_exthdrs_init(void)
{
int ret;
@@ -608,6 +575,7 @@ out_offload:
void ipv6_exthdrs_exit(void)
{
ipv6_exthdrs_offload_exit();
inet6_del_protocol(&nodata_protocol, IPPROTO_NONE);
inet6_del_protocol(&destopt_protocol, IPPROTO_DSTOPTS);
inet6_del_protocol(&rthdr_protocol, IPPROTO_ROUTING);