diff options
-rw-r--r-- | src/network/networkd-link.c | 164 | ||||
-rw-r--r-- | src/network/networkd.h | 8 |
2 files changed, 95 insertions, 77 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; } diff --git a/src/network/networkd.h b/src/network/networkd.h index d1bc348913..c28c90f0e3 100644 --- a/src/network/networkd.h +++ b/src/network/networkd.h @@ -133,11 +133,9 @@ struct Route { }; typedef enum LinkState { - LINK_STATE_JOIN_BRIDGE, - LINK_STATE_BRIDGE_JOINED, - LINK_STATE_SET_ADDRESSES, - LINK_STATE_ADDRESSES_SET, - LINK_STATE_SET_ROUTES, + LINK_STATE_JOINING_BRIDGE, + LINK_STATE_SETTING_ADDRESSES, + LINK_STATE_SETTING_ROUTES, LINK_STATE_CONFIGURED, LINK_STATE_FAILED, _LINK_STATE_MAX, |