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>

diff --git a/net/ipv6/Makefile b/net/ipv6/Makefile
index 04b5c9657f8382563089f3260e3532443afee89a..7f250773ecc934b23abf5196e965887a75523239 100644 (file)
--- 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 de6559e3aa0ace735175fdc13188969328a181d0..70fbf6bc5a877c44fdbcedd5c76f65635685c0dd 100644 (file)
--- 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 (file)
index 0000000..271bf4a
--- /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 dff79362ad042cfcd352e8cff53e2945af4aeb14..4e88ddb52a2cf2d324930b736b4274874db21868 100644 (file)
--- 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);