From d2a33f3f0fe704e4396fa2ada08401cb955ba7cb Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 11 Apr 2014 15:41:15 +0200 Subject: [PATCH] interface: add support for a parameter to force setup without a carrier on the underlying device Signed-off-by: Felix Fietkau --- interface.c | 11 +++++++++-- interface.h | 1 + 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/interface.c b/interface.c index 7104750..c861b7d 100644 --- a/interface.c +++ b/interface.c @@ -43,6 +43,7 @@ enum { IFACE_ATTR_IP6TABLE, IFACE_ATTR_IP6CLASS, IFACE_ATTR_DELEGATE, + IFACE_ATTR_FORCE_LINK, IFACE_ATTR_MAX }; @@ -62,6 +63,7 @@ static const struct blobmsg_policy iface_attrs[IFACE_ATTR_MAX] = { [IFACE_ATTR_IP6TABLE] = { .name = "ip6table", .type = BLOBMSG_TYPE_STRING }, [IFACE_ATTR_IP6CLASS] = { .name = "ip6class", .type = BLOBMSG_TYPE_ARRAY }, [IFACE_ATTR_DELEGATE] = { .name = "delegate", .type = BLOBMSG_TYPE_BOOL }, + [IFACE_ATTR_FORCE_LINK] = { .name = "force_link", .type = BLOBMSG_TYPE_BOOL }, }; static const struct uci_blob_param_info iface_attr_info[IFACE_ATTR_MAX] = { @@ -265,15 +267,17 @@ __interface_set_up(struct interface *iface) static void interface_check_state(struct interface *iface) { + bool link_state = iface->link_state || iface->force_link; + switch (iface->state) { case IFS_UP: - if (!iface->enabled || !iface->link_state) { + if (!iface->enabled || !link_state) { mark_interface_down(iface); interface_proto_event(iface->proto, PROTO_CMD_TEARDOWN, false); } break; case IFS_DOWN: - if (iface->autostart && iface->enabled && iface->link_state && !config_init) + if (iface->autostart && iface->enabled && link_state && !config_init) __interface_set_up(iface); break; default: @@ -656,6 +660,7 @@ interface_alloc(const char *name, struct blob_attr *config) proto_attach_interface(iface, proto_name); iface->autostart = blobmsg_get_bool_default(tb[IFACE_ATTR_AUTO], true); + iface->force_link = blobmsg_get_bool_default(tb[IFACE_ATTR_FORCE_LINK], false); iface->proto_ip.no_defaultroute = !blobmsg_get_bool_default(tb[IFACE_ATTR_DEFAULTROUTE], true); iface->proto_ip.no_dns = @@ -986,6 +991,7 @@ interface_change_config(struct interface *if_old, struct interface *if_new) if_old->ifname = if_new->ifname; if_old->parent_ifname = if_new->parent_ifname; if_old->proto_handler = if_new->proto_handler; + if_old->force_link = if_new->force_link; if_old->proto_ip.no_dns = if_new->proto_ip.no_dns; interface_replace_dns(&if_old->config_ip, &if_new->config_ip); @@ -1014,6 +1020,7 @@ interface_change_config(struct interface *if_old, struct interface *if_new) } interface_write_resolv_conf(); + interface_check_state(if_old); out: if_new->config = NULL; diff --git a/interface.h b/interface.h index 9a7bb3d..6cfe264 100644 --- a/interface.h +++ b/interface.h @@ -104,6 +104,7 @@ struct interface { bool device_config; bool enabled; bool link_state; + bool force_link; bool dynamic; time_t start_time; -- 2.25.1