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-rw-r--r--net/ipv6/exthdrs.c8
-rw-r--r--net/ipv6/protocol.c21
-rw-r--r--net/ipv6/tcp_ipv6.c7
-rw-r--r--net/ipv6/udp.c5
4 files changed, 41 insertions, 0 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index f005acc58b2..cb6f0828ca4 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -531,11 +531,19 @@ static const struct inet6_protocol rthdr_protocol = {
.flags = INET6_PROTO_NOPOLICY | INET6_PROTO_GSO_EXTHDR,
};
+static const struct net_offload rthdr_offload = {
+ .flags = INET6_PROTO_GSO_EXTHDR,
+};
+
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,
+};
+
static const struct inet6_protocol nodata_protocol = {
.handler = dst_discard,
.flags = INET6_PROTO_NOPOLICY,
diff --git a/net/ipv6/protocol.c b/net/ipv6/protocol.c
index 053082dfc93..f7c53a7d5cb 100644
--- a/net/ipv6/protocol.c
+++ b/net/ipv6/protocol.c
@@ -26,6 +26,7 @@
#include <net/protocol.h>
const struct inet6_protocol __rcu *inet6_protos[MAX_INET_PROTOS] __read_mostly;
+const struct net_offload __rcu *inet6_offloads[MAX_INET_PROTOS] __read_mostly;
int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char protocol)
{
@@ -34,6 +35,13 @@ int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char protocol
}
EXPORT_SYMBOL(inet6_add_protocol);
+int inet6_add_offload(const struct net_offload *prot, unsigned char protocol)
+{
+ return !cmpxchg((const struct net_offload **)&inet6_offloads[protocol],
+ NULL, prot) ? 0 : -1;
+}
+EXPORT_SYMBOL(inet6_add_offload);
+
/*
* Remove a protocol from the hash tables.
*/
@@ -50,3 +58,16 @@ int inet6_del_protocol(const struct inet6_protocol *prot, unsigned char protocol
return ret;
}
EXPORT_SYMBOL(inet6_del_protocol);
+
+int inet6_del_offload(const struct net_offload *prot, unsigned char protocol)
+{
+ int ret;
+
+ ret = (cmpxchg((const struct net_offload **)&inet6_offloads[protocol],
+ prot, NULL) == prot) ? 0 : -1;
+
+ synchronize_net();
+
+ return ret;
+}
+EXPORT_SYMBOL(inet6_del_offload);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index c73d0ebde9c..6884a95be43 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -2073,6 +2073,13 @@ static const struct inet6_protocol tcpv6_protocol = {
.flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
};
+static const struct net_offload tcpv6_offload = {
+ .gso_send_check = tcp_v6_gso_send_check,
+ .gso_segment = tcp_tso_segment,
+ .gro_receive = tcp6_gro_receive,
+ .gro_complete = tcp6_gro_complete,
+};
+
static struct inet_protosw tcpv6_protosw = {
.type = SOCK_STREAM,
.protocol = IPPROTO_TCP,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index fc9997260a6..3ad44e17650 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1443,6 +1443,11 @@ static const struct inet6_protocol udpv6_protocol = {
.flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
};
+static const struct net_offload udpv6_offload = {
+ .gso_send_check = udp6_ufo_send_check,
+ .gso_segment = udp6_ufo_fragment,
+};
+
/* ------------------------------------------------------------------------ */
#ifdef CONFIG_PROC_FS