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authorVlad Yasevich <vyasevic@redhat.com>2012-11-15 08:49:19 +0000
committerDavid S. Miller <davem@davemloft.net>2012-11-15 17:36:18 -0500
commit2207afc8bfd80d596b524d4feb6b27f5ce359d59 (patch)
treed49e698603a536b4b88ec6482eecd15e01ef2533 /net
parentipv6: Separate out UDP offload functionality (diff)
downloadlinux-dev-2207afc8bfd80d596b524d4feb6b27f5ce359d59.tar.xz
linux-dev-2207afc8bfd80d596b524d4feb6b27f5ce359d59.zip
ipv6: Move exthdr offload support into separate file
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>
Diffstat (limited to '')
-rw-r--r--net/ipv6/Makefile2
-rw-r--r--net/ipv6/exthdrs.c40
-rw-r--r--net/ipv6/exthdrs_offload.c47
-rw-r--r--net/ipv6/ip6_offload.h3
4 files changed, 55 insertions, 37 deletions
diff --git a/net/ipv6/Makefile b/net/ipv6/Makefile
index 04b5c9657f83..7f250773ecc9 100644
--- a/net/ipv6/Makefile
+++ b/net/ipv6/Makefile
@@ -10,7 +10,7 @@ ipv6-objs := af_inet6.o anycast.o ip6_output.o ip6_input.o addrconf.o \
raw.o protocol.o icmp.o mcast.o reassembly.o tcp_ipv6.o \
exthdrs.o datagram.o ip6_flowlabel.o inet6_connection_sock.o
-ipv6-offload := ip6_offload.o tcpv6_offload.o udp_offload.o
+ipv6-offload := ip6_offload.o tcpv6_offload.o udp_offload.o exthdrs_offload.o
ipv6-$(CONFIG_SYSCTL) = sysctl_net_ipv6.o
ipv6-$(CONFIG_IPV6_MROUTE) += ip6mr.o
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index de6559e3aa0a..70fbf6bc5a87 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -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);
diff --git a/net/ipv6/exthdrs_offload.c b/net/ipv6/exthdrs_offload.c
new file mode 100644
index 000000000000..271bf4a97023
--- /dev/null
+++ b/net/ipv6/exthdrs_offload.c
@@ -0,0 +1,47 @@
+/*
+ * IPV6 GSO/GRO offload support
+ * Linux INET6 implementation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * IPV6 Extension Header GSO/GRO support
+ */
+#include <net/protocol.h>
+#include "ip6_offload.h"
+
+static const struct net_offload rthdr_offload = {
+ .flags = INET6_PROTO_GSO_EXTHDR,
+};
+
+static const struct net_offload dstopt_offload = {
+ .flags = INET6_PROTO_GSO_EXTHDR,
+};
+
+int __init 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;
+}
+
+void ipv6_exthdrs_offload_exit(void)
+{
+ inet_del_offload(&rthdr_offload, IPPROTO_ROUTING);
+ inet_del_offload(&rthdr_offload, IPPROTO_DSTOPTS);
+}
diff --git a/net/ipv6/ip6_offload.h b/net/ipv6/ip6_offload.h
index dff79362ad04..4e88ddb52a2c 100644
--- a/net/ipv6/ip6_offload.h
+++ b/net/ipv6/ip6_offload.h
@@ -11,6 +11,9 @@
#ifndef __ip6_offload_h
#define __ip6_offload_h
+int ipv6_exthdrs_offload_init(void);
+void ipv6_exthdrs_offload_exit(void);
+
int udp_offload_init(void);
void udp_offload_cleanup(void);