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Rename all ah_* functions to ah_esp_* (and adjust comments). Move ESP
protocol definition into ip_vs_proto_ah.c and remove all usage of
ip_vs_proto_esp.c.
Make the compilation of ip_vs_proto_ah.c dependent on a new config
variable, IP_VS_PROTO_AH_ESP, which is selected either by
IP_VS_PROTO_ESP or IP_VS_PROTO_AH. Only compile the selected protocols'
structures within this file.
Signed-off-by: Julius Volz <juliusv@xxxxxxxxxx>
3 files changed, 54 insertions(+), 24 deletions(-)
diff --git a/net/ipv4/ipvs/Kconfig b/net/ipv4/ipvs/Kconfig
index 09d0c3f..2e48a7e 100644
--- a/net/ipv4/ipvs/Kconfig
+++ b/net/ipv4/ipvs/Kconfig
@@ -71,14 +71,20 @@ config IP_VS_PROTO_UDP
This option enables support for load balancing UDP transport
protocol. Say Y if unsure.
+config IP_VS_PROTO_AH_ESP
+ bool
+ depends on UNDEFINED
+
config IP_VS_PROTO_ESP
bool "ESP load balancing support"
+ select IP_VS_PROTO_AH_ESP
---help---
This option enables support for load balancing ESP (Encapsulation
Security Payload) transport protocol. Say Y if unsure.
config IP_VS_PROTO_AH
bool "AH load balancing support"
+ select IP_VS_PROTO_AH_ESP
---help---
This option enables support for load balancing AH (Authentication
Header) transport protocol. Say Y if unsure.
diff --git a/net/ipv4/ipvs/Makefile b/net/ipv4/ipvs/Makefile
index 30e85de..cda3e08 100644
--- a/net/ipv4/ipvs/Makefile
+++ b/net/ipv4/ipvs/Makefile
@@ -6,8 +6,7 @@
ip_vs_proto-objs-y :=
ip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_TCP) += ip_vs_proto_tcp.o
ip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_UDP) += ip_vs_proto_udp.o
-ip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_ESP) += ip_vs_proto_esp.o
-ip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_AH) += ip_vs_proto_ah.o
+ip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_AH_ESP) += ip_vs_proto_ah.o
ip_vs-objs := ip_vs_conn.o ip_vs_core.o ip_vs_ctl.o ip_vs_sched.o \
ip_vs_xmit.o ip_vs_app.o ip_vs_sync.o \
diff --git a/net/ipv4/ipvs/ip_vs_proto_ah.c b/net/ipv4/ipvs/ip_vs_proto_ah.c
index 73e0ea8..3f9ebd7 100644
--- a/net/ipv4/ipvs/ip_vs_proto_ah.c
+++ b/net/ipv4/ipvs/ip_vs_proto_ah.c
@@ -1,5 +1,5 @@
/*
- * ip_vs_proto_ah.c: AH IPSec load balancing support for IPVS
+ * ip_vs_proto_ah_esp.c: AH/ESP IPSec load balancing support for IPVS
*
* Authors: Julian Anastasov <ja@xxxxxx>, February 2002
* Wensong Zhang <wensong@xxxxxxxxxxxxxxxxxxxxxx>
@@ -39,11 +39,11 @@ struct isakmp_hdr {
static struct ip_vs_conn *
-ah_conn_in_get(const struct sk_buff *skb,
- struct ip_vs_protocol *pp,
- const struct iphdr *iph,
- unsigned int proto_off,
- int inverse)
+ah_esp_conn_in_get(const struct sk_buff *skb,
+ struct ip_vs_protocol *pp,
+ const struct iphdr *iph,
+ unsigned int proto_off,
+ int inverse)
{
struct ip_vs_conn *cp;
@@ -79,8 +79,8 @@ ah_conn_in_get(const struct sk_buff *skb,
static struct ip_vs_conn *
-ah_conn_out_get(const struct sk_buff *skb, struct ip_vs_protocol *pp,
- const struct iphdr *iph, unsigned int proto_off, int inverse)
+ah_esp_conn_out_get(const struct sk_buff *skb, struct ip_vs_protocol *pp,
+ const struct iphdr *iph, unsigned int proto_off, int
inverse)
{
struct ip_vs_conn *cp;
@@ -112,12 +112,12 @@ ah_conn_out_get(const struct sk_buff *skb, struct
ip_vs_protocol *pp,
static int
-ah_conn_schedule(struct sk_buff *skb,
- struct ip_vs_protocol *pp,
- int *verdict, struct ip_vs_conn **cpp)
+ah_esp_conn_schedule(struct sk_buff *skb,
+ struct ip_vs_protocol *pp,
+ int *verdict, struct ip_vs_conn **cpp)
{
/*
- * AH is only related traffic. Pass the packet to IP stack.
+ * AH/ESP is only related traffic. Pass the packet to IP stack.
*/
*verdict = NF_ACCEPT;
return 0;
@@ -125,8 +125,8 @@ ah_conn_schedule(struct sk_buff *skb,
static void
-ah_debug_packet(struct ip_vs_protocol *pp, const struct sk_buff *skb,
- int offset, const char *msg)
+ah_esp_debug_packet(struct ip_vs_protocol *pp, const struct sk_buff *skb,
+ int offset, const char *msg)
{
char buf[256];
struct iphdr _iph, *ih;
@@ -143,28 +143,29 @@ ah_debug_packet(struct ip_vs_protocol *pp, const struct
sk_buff *skb,
}
-static void ah_init(struct ip_vs_protocol *pp)
+static void ah_esp_init(struct ip_vs_protocol *pp)
{
/* nothing to do now */
}
-static void ah_exit(struct ip_vs_protocol *pp)
+static void ah_esp_exit(struct ip_vs_protocol *pp)
{
/* nothing to do now */
}
+#ifdef CONFIG_IP_VS_PROTO_AH
struct ip_vs_protocol ip_vs_protocol_ah = {
.name = "AH",
.protocol = IPPROTO_AH,
.num_states = 1,
.dont_defrag = 1,
- .init = ah_init,
- .exit = ah_exit,
- .conn_schedule = ah_conn_schedule,
- .conn_in_get = ah_conn_in_get,
- .conn_out_get = ah_conn_out_get,
+ .init = ah_esp_init,
+ .exit = ah_esp_exit,
+ .conn_schedule = ah_esp_conn_schedule,
+ .conn_in_get = ah_esp_conn_in_get,
+ .conn_out_get = ah_esp_conn_out_get,
.snat_handler = NULL,
.dnat_handler = NULL,
.csum_check = NULL,
@@ -172,7 +173,31 @@ struct ip_vs_protocol ip_vs_protocol_ah = {
.register_app = NULL,
.unregister_app = NULL,
.app_conn_bind = NULL,
- .debug_packet = ah_debug_packet,
+ .debug_packet = ah_esp_debug_packet,
.timeout_change = NULL, /* ISAKMP */
.set_state_timeout = NULL,
};
+#endif
+
+#ifdef CONFIG_IP_VS_PROTO_ESP
+struct ip_vs_protocol ip_vs_protocol_esp = {
+ .name = "ESP",
+ .protocol = IPPROTO_ESP,
+ .num_states = 1,
+ .dont_defrag = 1,
+ .init = ah_esp_init,
+ .exit = ah_esp_exit,
+ .conn_schedule = ah_esp_conn_schedule,
+ .conn_in_get = ah_esp_conn_in_get,
+ .conn_out_get = ah_esp_conn_out_get,
+ .snat_handler = NULL,
+ .dnat_handler = NULL,
+ .csum_check = NULL,
+ .state_transition = NULL,
+ .register_app = NULL,
+ .unregister_app = NULL,
+ .app_conn_bind = NULL,
+ .debug_packet = ah_esp_debug_packet,
+ .timeout_change = NULL, /* ISAKMP */
+};
+#endif
--
1.5.4.5
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