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-rw-r--r--config.c2
-rw-r--r--config/network3
-rw-r--r--interface.c11
-rw-r--r--interface.h4
-rw-r--r--proto.c67
-rw-r--r--proto.h10
6 files changed, 83 insertions, 14 deletions
diff --git a/config.c b/config.c
index 2442eff..94a7fdb 100644
--- a/config.c
+++ b/config.c
@@ -34,7 +34,7 @@ config_parse_interface(struct uci_section *s)
DPRINTF("Create interface '%s'\n", s->e.name);
- iface = alloc_interface(s->e.name);
+ iface = alloc_interface(s->e.name, s);
if (!iface)
return;
diff --git a/config/network b/config/network
index 0a02e89..1f803a0 100644
--- a/config/network
+++ b/config/network
@@ -21,6 +21,9 @@ config interface lan
option ipaddr 192.168.1.1
option netmask 255.255.255.0
+config interface dummy
+ option ifname eth0.4
+ option proto none
config interface lan2
option ifname eth0.3
diff --git a/interface.c b/interface.c
index 06a36ed..ef176f6 100644
--- a/interface.c
+++ b/interface.c
@@ -175,7 +175,7 @@ void interface_set_proto_state(struct interface *iface, struct interface_proto_s
}
struct interface *
-alloc_interface(const char *name)
+alloc_interface(const char *name, struct uci_section *s)
{
struct interface *iface;
@@ -184,19 +184,14 @@ alloc_interface(const char *name)
return iface;
iface = calloc(1, sizeof(*iface));
-
- interface_set_proto_state(iface, get_default_proto());
- if (!iface->proto) {
- free(iface);
- return NULL;
- }
-
iface->main_dev.cb = interface_cb;
iface->l3_iface = &iface->main_dev;
strncpy(iface->name, name, sizeof(iface->name) - 1);
list_add(&iface->list, &interfaces);
INIT_LIST_HEAD(&iface->errors);
+ proto_attach_interface(iface, s);
+
netifd_ubus_add_interface(iface);
return iface;
diff --git a/interface.h b/interface.h
index 92bae5a..e3b5ff7 100644
--- a/interface.h
+++ b/interface.h
@@ -55,9 +55,11 @@ struct interface {
};
struct interface *get_interface(const char *name);
-struct interface *alloc_interface(const char *name);
+struct interface *alloc_interface(const char *name, struct uci_section *s);
void free_interface(struct interface *iface);
+void interface_set_proto_state(struct interface *iface, struct interface_proto_state *state);
+
int set_interface_up(struct interface *iface);
int set_interface_down(struct interface *iface);
diff --git a/proto.c b/proto.c
index b16600c..ea6e138 100644
--- a/proto.c
+++ b/proto.c
@@ -6,6 +6,20 @@
#include "interface.h"
#include "proto.h"
+static struct avl_tree handlers;
+
+void add_proto_handler(struct proto_handler *p)
+{
+ if (!handlers.comp)
+ avl_init(&handlers, avl_strcmp, false, NULL);
+
+ if (p->avl.key)
+ return;
+
+ p->avl.key = p->name;
+ avl_insert(&handlers, &p->avl);
+}
+
static void
default_proto_free(struct interface_proto_state *proto)
{
@@ -13,24 +27,71 @@ default_proto_free(struct interface_proto_state *proto)
}
static int
-default_proto_handler(struct interface_proto_state *proto,
+invalid_proto_handler(struct interface_proto_state *proto,
+ enum interface_proto_cmd cmd, bool force)
+{
+ return -1;
+}
+
+static int
+no_proto_handler(struct interface_proto_state *proto,
enum interface_proto_cmd cmd, bool force)
{
return 0;
}
-struct interface_proto_state *get_default_proto(void)
+static struct interface_proto_state *get_default_proto(void)
{
struct interface_proto_state *proto;
proto = calloc(1, sizeof(*proto));
- proto->handler = default_proto_handler;
proto->free = default_proto_free;
proto->flags = PROTO_FLAG_IMMEDIATE;
return proto;
}
+void proto_attach_interface(struct interface *iface, struct uci_section *s)
+{
+ struct interface_proto_state *state = NULL;
+ struct proto_handler *proto = NULL;
+ const char *proto_name;
+ const char *error = NULL;
+
+ proto_name = uci_lookup_option_string(uci_ctx, s, "proto");
+ if (!proto_name) {
+ error = "NO_PROTO";
+ goto error;
+ }
+
+ if (!strcmp(proto_name, "none")) {
+ state = get_default_proto();
+ state->handler = no_proto_handler;
+ goto out;
+ }
+
+ if (handlers.comp)
+ proto = avl_find_element(&handlers, proto_name, proto, avl);
+
+ if (!proto) {
+ error = "INVALID_PROTO";
+ goto error;
+ }
+
+ state = proto->attach(proto, iface);
+
+error:
+ if (error) {
+ interface_add_error(iface, "proto", error, NULL, 0);
+ state = get_default_proto();
+ state->handler = invalid_proto_handler;
+ }
+
+out:
+ interface_set_proto_state(iface, state);
+}
+
+
int interface_proto_event(struct interface_proto_state *proto,
enum interface_proto_cmd cmd, bool force)
{
diff --git a/proto.h b/proto.h
index d94b992..776cc36 100644
--- a/proto.h
+++ b/proto.h
@@ -29,7 +29,15 @@ struct interface_proto_state {
void (*free)(struct interface_proto_state *);
};
-struct interface_proto_state *get_default_proto(void);
+struct proto_handler {
+ struct avl_node avl;
+
+ const char *name;
+ struct interface_proto_state * (*attach)(struct proto_handler *h, struct interface *);
+};
+
+void add_proto_handler(struct proto_handler *p);
+void proto_attach_interface(struct interface *iface, struct uci_section *s);
int interface_proto_event(struct interface_proto_state *proto,
enum interface_proto_cmd cmd, bool force);