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Diffstat (limited to 'src/network/networkd-link.c')
-rw-r--r--src/network/networkd-link.c164
1 files changed, 92 insertions, 72 deletions
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 447b2a91e6..cc5441bc3f 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -120,6 +120,9 @@ int link_add(Manager *m, struct udev_device *device) {
}
static int link_enter_configured(Link *link) {
+ assert(link);
+ assert(link->state == LINK_STATE_SETTING_ROUTES);
+
log_info("Link '%s' configured", link->ifname);
link->state = LINK_STATE_CONFIGURED;
@@ -127,10 +130,10 @@ static int link_enter_configured(Link *link) {
return 0;
}
-static int link_enter_failed(Link *link) {
- link->state = LINK_STATE_FAILED;
+static void link_enter_failed(Link *link) {
+ assert(link);
- return 0;
+ link->state = LINK_STATE_FAILED;
}
static int route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
@@ -138,7 +141,7 @@ static int route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
int r;
assert(link->rtnl_messages > 0);
- assert(link->state == LINK_STATE_SET_ROUTES || link->state == LINK_STATE_FAILED);
+ assert(link->state == LINK_STATE_SETTING_ROUTES || link->state == LINK_STATE_FAILED);
link->rtnl_messages --;
@@ -165,9 +168,9 @@ static int link_enter_set_routes(Link *link) {
assert(link);
assert(link->network);
assert(link->rtnl_messages == 0);
- assert(link->state == LINK_STATE_ADDRESSES_SET);
+ assert(link->state == LINK_STATE_SETTING_ADDRESSES);
- link->state = LINK_STATE_SET_ROUTES;
+ link->state = LINK_STATE_SETTING_ROUTES;
if (!link->network->routes)
return link_enter_configured(link);
@@ -176,7 +179,8 @@ static int link_enter_set_routes(Link *link) {
r = route_configure(route, link, &route_handler);
if (r < 0) {
log_warning("Could not set routes for link '%s'", link->ifname);
- return link_enter_failed(link);
+ link_enter_failed(link);
+ return r;
}
link->rtnl_messages ++;
@@ -185,18 +189,12 @@ static int link_enter_set_routes(Link *link) {
return 0;
}
-static int link_enter_addresses_set(Link *link) {
- link->state = LINK_STATE_ADDRESSES_SET;
-
- return link_enter_set_routes(link);
-}
-
static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
Link *link = userdata;
int r;
assert(link->rtnl_messages > 0);
- assert(link->state == LINK_STATE_SET_ADDRESSES || link->state == LINK_STATE_FAILED);
+ assert(link->state == LINK_STATE_SETTING_ADDRESSES || link->state == LINK_STATE_FAILED);
link->rtnl_messages --;
@@ -210,7 +208,7 @@ static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
if (link->rtnl_messages == 0) {
log_info("Addresses set for link '%s'", link->ifname);
- link_enter_addresses_set(link);
+ link_enter_set_routes(link);
}
return 1;
@@ -222,18 +220,20 @@ static int link_enter_set_addresses(Link *link) {
assert(link);
assert(link->network);
+ assert(link->state == LINK_STATE_JOINING_BRIDGE);
assert(link->rtnl_messages == 0);
- if (!link->network->addresses)
- return link_enter_addresses_set(link);
+ link->state = LINK_STATE_SETTING_ADDRESSES;
- link->state = LINK_STATE_SET_ADDRESSES;
+ if (!link->network->addresses)
+ return link_enter_set_routes(link);
LIST_FOREACH(addresses, address, link->network->addresses) {
r = address_configure(address, link, &address_handler);
if (r < 0) {
log_warning("Could not set addresses for link '%s'", link->ifname);
- return link_enter_failed(link);
+ link_enter_failed(link);
+ return r;
}
link->rtnl_messages ++;
@@ -242,43 +242,6 @@ static int link_enter_set_addresses(Link *link) {
return 0;
}
-static int link_get_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- Link *link = userdata;
- int r;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0) {
- log_warning("Could not get state of interface '%s': %s",
- link->ifname, strerror(-r));
- link_enter_failed(link);
- }
-
- return 1;
-}
-
-static int link_get(Link *link) {
- _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(link);
- assert(link->manager);
- assert(link->manager->rtnl);
-
- r = sd_rtnl_message_link_new(RTM_GETLINK, link->ifindex, &req);
- if (r < 0) {
- log_error("Could not allocate RTM_GETLINK message");
- return r;
- }
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, link_get_handler, link, 0, NULL);
- if (r < 0) {
- log_error("Could not send rtnetlink message: %s", strerror(-r));
- return r;
- }
-
- return 0;
-}
-
static int link_up_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
Link *link = userdata;
int r;
@@ -322,36 +285,48 @@ static int link_up(Link *link) {
return 0;
}
-static int link_enter_bridge_joined(Link *link) {
+static int link_bridge_joined(Link *link) {
int r;
- link->state = LINK_STATE_BRIDGE_JOINED;
+ assert(link);
+ assert(link->state == LINK_STATE_JOINING_BRIDGE);
r = link_up(link);
- if (r < 0)
- return link_enter_failed(link);
+ if (r < 0) {
+ link_enter_failed(link);
+ return r;
+ }
- return link_enter_set_addresses(link);
+ r = link_enter_set_addresses(link);
+ if (r < 0) {
+ link_enter_failed(link);
+ return r;
+ }
+
+ return 0;
}
static int bridge_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
Link *link = userdata;
int r;
- assert(link->state == LINK_STATE_JOIN_BRIDGE || link->state == LINK_STATE_FAILED);
+ assert(link->state == LINK_STATE_JOINING_BRIDGE || link->state == LINK_STATE_FAILED);
+ assert(link->network);
if (link->state == LINK_STATE_FAILED)
return 1;
r = sd_rtnl_message_get_errno(m);
- if (r < 0)
+ if (r < 0) {
log_warning("Could not join interface '%s' to bridge '%s': %s",
link->ifname, link->network->bridge->name, strerror(-r));
- else
+ link_enter_failed(link);
+ return 1;
+ } else
log_info("Join interface '%s' to bridge: %s",
link->ifname, link->network->bridge->name);
- link_enter_bridge_joined(link);
+ link_bridge_joined(link);
return 1;
}
@@ -361,17 +336,56 @@ static int link_enter_join_bridge(Link *link) {
assert(link);
assert(link->network);
+ assert(link->state == _LINK_STATE_INVALID);
- if (!link->network->bridge)
- return link_enter_bridge_joined(link);
+ link->state = LINK_STATE_JOINING_BRIDGE;
- link->state = LINK_STATE_JOIN_BRIDGE;
+ if (!link->network->bridge)
+ return link_bridge_joined(link);
r = bridge_join(link->network->bridge, link, &bridge_handler);
if (r < 0) {
log_warning("Could not join link '%s' to bridge '%s'", link->ifname,
link->network->bridge->name);
- return link_enter_failed(link);
+ link_enter_failed(link);
+ return r;
+ }
+
+ return 0;
+}
+
+static int link_get_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
+ Link *link = userdata;
+ int r;
+
+ r = sd_rtnl_message_get_errno(m);
+ if (r < 0) {
+ log_warning("Could not get state of interface '%s': %s",
+ link->ifname, strerror(-r));
+ link_enter_failed(link);
+ }
+
+ return 1;
+}
+
+static int link_get(Link *link) {
+ _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
+ int r;
+
+ assert(link);
+ assert(link->manager);
+ assert(link->manager->rtnl);
+
+ r = sd_rtnl_message_link_new(RTM_GETLINK, link->ifindex, &req);
+ if (r < 0) {
+ log_error("Could not allocate RTM_GETLINK message");
+ return r;
+ }
+
+ r = sd_rtnl_call_async(link->manager->rtnl, req, link_get_handler, link, 0, NULL);
+ if (r < 0) {
+ log_error("Could not send rtnetlink message: %s", strerror(-r));
+ return r;
}
return 0;
@@ -380,13 +394,19 @@ static int link_enter_join_bridge(Link *link) {
int link_configure(Link *link) {
int r;
+ assert(link);
+ assert(link->network);
+ assert(link->state == _LINK_STATE_INVALID);
+
r = link_get(link);
- if (r < 0)
- return link_enter_failed(link);
+ if (r < 0) {
+ link_enter_failed(link);
+ return r;
+ }
r = link_enter_join_bridge(link);
if (r < 0)
- return link_enter_failed(link);
+ return r;
return 0;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-27 22:50:23 +0000