X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd-link.c;h=94683a54036b729eecfaca95986051a3a3e7aeb1;hp=660efedc61b0d0dd515b1ab1cae219e735cde7d8;hb=a2ba62c719224a4b47751623ca5e8b0333f49721;hpb=fecc80c1ba2eed9dadb9a10c15508c356bcc5fc1 diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c index 660efedc6..94683a540 100644 --- a/src/network/networkd-link.c +++ b/src/network/networkd-link.c @@ -24,6 +24,7 @@ #include #include "networkd.h" +#include "networkd-netdev.h" #include "libudev-private.h" #include "udev-util.h" #include "util.h" @@ -400,20 +401,18 @@ static int route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { static int link_set_dhcp_routes(Link *link) { struct sd_dhcp_route *static_routes; - size_t static_routes_size; - int r; - unsigned i; + int r, n, i; assert(link); - r = sd_dhcp_lease_get_routes(link->dhcp_lease, &static_routes, &static_routes_size); - if (r < 0) { - if (r != -ENOENT) - log_warning_link(link, "DHCP error: could not get routes: %s", strerror(-r)); - return r; + n = sd_dhcp_lease_get_routes(link->dhcp_lease, &static_routes); + if (n < 0) { + if (n != -ENOENT) + log_warning_link(link, "DHCP error: could not get routes: %s", strerror(-n)); + return n; } - for (i = 0; i < static_routes_size; i++) { + for (i = 0; i < n; i++) { _cleanup_route_free_ Route *route = NULL; r = route_new_dynamic(&route); @@ -427,7 +426,7 @@ static int link_set_dhcp_routes(Link *link) { route->in_addr.in = static_routes[i].gw_addr; route->dst_addr.in = static_routes[i].dst_addr; route->dst_prefixlen = static_routes[i].dst_prefixlen; - route->metrics = DHCP_STATIC_ROUTE_METRIC; + route->metrics = DHCP_ROUTE_METRIC; r = route_configure(route, link, &route_handler); if (r < 0) { @@ -436,7 +435,6 @@ static int link_set_dhcp_routes(Link *link) { return r; } - link_ref(link); link->route_messages ++; } @@ -468,7 +466,6 @@ static int link_enter_set_routes(Link *link) { return r; } - link_ref(link); link->route_messages ++; } @@ -493,7 +490,7 @@ static int link_enter_set_routes(Link *link) { route->family = AF_INET; route->scope = RT_SCOPE_LINK; - route->metrics = 99; + route->metrics = IPV4LL_ROUTE_METRIC; r = route_configure(route, link, &route_handler); if (r < 0) { @@ -503,7 +500,6 @@ static int link_enter_set_routes(Link *link) { return r; } - link_ref(link); link->route_messages ++; } } @@ -542,7 +538,7 @@ static int link_enter_set_routes(Link *link) { route_gw->dst_addr.in = gateway; route_gw->dst_prefixlen = 32; route_gw->scope = RT_SCOPE_LINK; - route_gw->metrics = DHCP_STATIC_ROUTE_METRIC; + route_gw->metrics = DHCP_ROUTE_METRIC; r = route_configure(route_gw, link, &route_handler); if (r < 0) { @@ -551,12 +547,11 @@ static int link_enter_set_routes(Link *link) { return r; } - link_ref(link); link->route_messages ++; route->family = AF_INET; route->in_addr.in = gateway; - route->metrics = DHCP_STATIC_ROUTE_METRIC; + route->metrics = DHCP_ROUTE_METRIC; r = route_configure(route, link, &route_handler); if (r < 0) { @@ -566,7 +561,6 @@ static int link_enter_set_routes(Link *link) { return r; } - link_ref(link); link->route_messages ++; } @@ -601,13 +595,38 @@ static int route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) "ERRNO=%d", -r, NULL); - return 0; + return 1; +} + +static int link_get_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { + _cleanup_link_unref_ Link *link = userdata; + int r; + + assert(rtnl); + assert(m); + assert(link); + assert(link->manager); + + for (; m; m = sd_rtnl_message_next(m)) { + r = sd_rtnl_message_get_errno(m); + if (r < 0) { + log_debug_link(link, "getting address failed: %s", strerror(-r)); + continue; + } + + r = link_rtnl_process_address(rtnl, m, link->manager); + if (r < 0) + log_warning_link(link, "could not process address: %s", strerror(-r)); + } + + return 1; } static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; + assert(rtnl); assert(m); assert(link); assert(link->ifname); @@ -628,6 +647,11 @@ static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { link->ifname, strerror(-r), "ERRNO=%d", -r, NULL); + else if (r >= 0) { + /* calling handler directly so take a ref */ + link_ref(link); + link_get_address_handler(rtnl, m, link); + } if (link->addr_messages == 0) { log_debug_link(link, "addresses set"); @@ -663,7 +687,6 @@ static int link_enter_set_addresses(Link *link) { return r; } - link_ref(link); link->addr_messages ++; } @@ -699,7 +722,6 @@ static int link_enter_set_addresses(Link *link) { return r; } - link_ref(link); link->addr_messages ++; } } @@ -760,7 +782,6 @@ static int link_enter_set_addresses(Link *link) { return r; } - link_ref(link); link->addr_messages ++; } @@ -787,7 +808,7 @@ static int address_update_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userd "ERRNO=%d", -r, NULL); - return 0; + return 1; } static int address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { @@ -810,7 +831,7 @@ static int address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdat "ERRNO=%d", -r, NULL); - return 0; + return 1; } static int set_hostname_handler(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { @@ -932,7 +953,6 @@ static int dhcp_lease_lost(Link *link) { struct in_addr netmask; struct in_addr gateway; unsigned prefixlen; - unsigned i; int r; assert(link); @@ -942,11 +962,11 @@ static int dhcp_lease_lost(Link *link) { if (link->network->dhcp_routes) { struct sd_dhcp_route *routes; - size_t routes_size; + int n, i; - r = sd_dhcp_lease_get_routes(link->dhcp_lease, &routes, &routes_size); - if (r >= 0) { - for (i = 0; i < routes_size; i++) { + n = sd_dhcp_lease_get_routes(link->dhcp_lease, &routes); + if (n >= 0) { + for (i = 0; i < n; i++) { _cleanup_route_free_ Route *route = NULL; r = route_new_dynamic(&route); @@ -957,7 +977,6 @@ static int dhcp_lease_lost(Link *link) { route->dst_prefixlen = routes[i].dst_prefixlen; route_drop(route, link, &route_drop_handler); - link_ref(link); } } } @@ -978,7 +997,6 @@ static int dhcp_lease_lost(Link *link) { route_gw->scope = RT_SCOPE_LINK; route_drop(route_gw, link, &route_drop_handler); - link_ref(link); } r = route_new_dynamic(&route); @@ -987,7 +1005,6 @@ static int dhcp_lease_lost(Link *link) { route->in_addr.in = gateway; route_drop(route, link, &route_drop_handler); - link_ref(link); } } @@ -1000,7 +1017,6 @@ static int dhcp_lease_lost(Link *link) { address->prefixlen = prefixlen; address_drop(address, link, &address_drop_handler); - link_ref(link); } if (link->network->dhcp_mtu) { @@ -1267,7 +1283,6 @@ static int ipv4ll_address_update(Link *link, bool deprecate) { address->broadcast.s_addr = address->in_addr.in.s_addr | htonl(0xfffffffflu >> address->prefixlen); address_update(address, link, &address_update_handler); - link_ref(link); } return 0; @@ -1300,7 +1315,6 @@ static int ipv4ll_address_lost(Link *link) { address->scope = RT_SCOPE_LINK; address_drop(address, link, &address_drop_handler); - link_ref(link); r = route_new_dynamic(&route); if (r < 0) { @@ -1314,7 +1328,6 @@ static int ipv4ll_address_lost(Link *link) { route->metrics = 99; route_drop(route, link, &route_drop_handler); - link_ref(link); } return 0; @@ -1717,14 +1730,14 @@ static int link_up(Link *link) { return 0; } -static int link_enslaved(Link *link) { +static int link_joined(Link *link) { int r; assert(link); assert(link->state == LINK_STATE_ENSLAVING); assert(link->network); - log_debug_link(link, "enslaved"); + log_debug_link(link, "joined netdev"); if (!(link->flags & IFF_UP)) { r = link_up(link); @@ -1737,7 +1750,7 @@ static int link_enslaved(Link *link) { return link_enter_set_addresses(link); } -static int enslave_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { +static int netdev_join_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; @@ -1754,7 +1767,7 @@ static int enslave_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { r = sd_rtnl_message_get_errno(m); if (r < 0 && r != -EEXIST) { log_struct_link(LOG_ERR, link, - "MESSAGE=%-*s: could not enslave: %s", + "MESSAGE=%-*s: could not join netdev: %s", IFNAMSIZ, link->ifname, strerror(-r), "ERRNO=%d", -r, @@ -1764,12 +1777,12 @@ static int enslave_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { } if (link->enslaving <= 0) - link_enslaved(link); + link_joined(link); return 1; } -static int link_enter_enslave(Link *link) { +static int link_enter_join_netdev(Link *link) { NetDev *vlan, *macvlan, *vxlan; Iterator i; int r; @@ -1788,7 +1801,7 @@ static int link_enter_enslave(Link *link) { hashmap_isempty(link->network->vlans) && hashmap_isempty(link->network->macvlans) && hashmap_isempty(link->network->vxlans)) - return link_enslaved(link); + return link_joined(link); if (link->network->bond) { log_struct_link(LOG_DEBUG, link, @@ -1798,10 +1811,10 @@ static int link_enter_enslave(Link *link) { NETDEV(link->network->bond), NULL); - r = netdev_enslave(link->network->bond, link, &enslave_handler); + r = netdev_join(link->network->bond, link, &netdev_join_handler); if (r < 0) { log_struct_link(LOG_WARNING, link, - "MESSAGE=%-*s: could not enslave by '%s': %s", + "MESSAGE=%-*s: could not join netdev '%s': %s", IFNAMSIZ, link->ifname, link->network->bond->ifname, strerror(-r), NETDEV(link->network->bond), @@ -1810,7 +1823,6 @@ static int link_enter_enslave(Link *link) { return r; } - link_ref(link); link->enslaving ++; } @@ -1822,10 +1834,10 @@ static int link_enter_enslave(Link *link) { NETDEV(link->network->bridge), NULL); - r = netdev_enslave(link->network->bridge, link, &enslave_handler); + r = netdev_join(link->network->bridge, link, &netdev_join_handler); if (r < 0) { log_struct_link(LOG_WARNING, link, - "MESSAGE=%-*s: could not enslave by '%s': %s", + "MESSAGE=%-*s: could not join netdev '%s': %s", IFNAMSIZ, link->ifname, link->network->bridge->ifname, strerror(-r), NETDEV(link->network->bridge), @@ -1834,7 +1846,6 @@ static int link_enter_enslave(Link *link) { return r; } - link_ref(link); link->enslaving ++; } @@ -1846,10 +1857,10 @@ static int link_enter_enslave(Link *link) { NETDEV(link->network->tunnel), NULL); - r = netdev_enslave(link->network->tunnel, link, &enslave_handler); + r = netdev_join(link->network->tunnel, link, &netdev_join_handler); if (r < 0) { log_struct_link(LOG_WARNING, link, - "MESSAGE=%-*s: could not enslave by '%s': %s", + "MESSAGE=%-*s: could not join netdev '%s': %s", IFNAMSIZ, link->ifname, link->network->tunnel->ifname, strerror(-r), NETDEV(link->network->tunnel), @@ -1858,7 +1869,6 @@ static int link_enter_enslave(Link *link) { return r; } - link_ref(link); link->enslaving ++; } @@ -1868,10 +1878,10 @@ static int link_enter_enslave(Link *link) { IFNAMSIZ, link->ifname, vlan->ifname, NETDEV(vlan), NULL); - r = netdev_enslave(vlan, link, &enslave_handler); + r = netdev_join(vlan, link, &netdev_join_handler); if (r < 0) { log_struct_link(LOG_WARNING, link, - "MESSAGE=%-*s: could not enslave by '%s': %s", + "MESSAGE=%-*s: could not join netdev '%s': %s", IFNAMSIZ, link->ifname, vlan->ifname, strerror(-r), NETDEV(vlan), NULL); @@ -1879,7 +1889,6 @@ static int link_enter_enslave(Link *link) { return r; } - link_ref(link); link->enslaving ++; } @@ -1889,10 +1898,10 @@ static int link_enter_enslave(Link *link) { IFNAMSIZ, link->ifname, macvlan->ifname, NETDEV(macvlan), NULL); - r = netdev_enslave(macvlan, link, &enslave_handler); + r = netdev_join(macvlan, link, &netdev_join_handler); if (r < 0) { log_struct_link(LOG_WARNING, link, - "MESSAGE=%-*s: could not enslave by '%s': %s", + "MESSAGE=%-*s: could not join netdev '%s': %s", IFNAMSIZ, link->ifname, macvlan->ifname, strerror(-r), NETDEV(macvlan), NULL); @@ -1900,7 +1909,6 @@ static int link_enter_enslave(Link *link) { return r; } - link_ref(link); link->enslaving ++; } @@ -1910,10 +1918,10 @@ static int link_enter_enslave(Link *link) { IFNAMSIZ, link->ifname, vxlan->ifname, NETDEV(vxlan), NULL); - r = netdev_enslave(vxlan, link, &enslave_handler); + r = netdev_join(vxlan, link, &netdev_join_handler); if (r < 0) { log_struct_link(LOG_WARNING, link, - "MESSAGE=%*s: could not enslave by '%s': %s", + "MESSAGE=%*s: could not join netdev '%s': %s", IFNAMSIZ, link->ifname, vxlan->ifname, strerror(-r), NETDEV(vxlan), NULL); @@ -1921,7 +1929,6 @@ static int link_enter_enslave(Link *link) { return r; } - link_ref(link); link->enslaving ++; } @@ -1988,6 +1995,10 @@ static int link_configure(Link *link) { if (r < 0) return r; + r = sd_dhcp_client_set_request_broadcast(link->dhcp_client, link->network->dhcp_broadcast); + if (r < 0) + return r; + if (link->network->dhcp_mtu) { r = sd_dhcp_client_set_request_option(link->dhcp_client, 26); if (r < 0) @@ -2014,6 +2025,13 @@ static int link_configure(Link *link) { return r; } } + + if (link->network->dhcp_vendor_class_identifier) { + r = sd_dhcp_client_set_vendor_class_identifier(link->dhcp_client, + link->network->dhcp_vendor_class_identifier); + if (r < 0) + return r; + } } if (link->network->dhcp_server) { @@ -2058,7 +2076,7 @@ static int link_configure(Link *link) { return r; } - return link_enter_enslave(link); + return link_enter_join_netdev(link); } static int link_initialized_and_synced(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { @@ -2105,6 +2123,9 @@ int link_initialized(Link *link, struct udev_device *device) { if (link->state != LINK_STATE_INITIALIZING) return 0; + if (link->udev_device) + return 0; + log_debug_link(link, "udev initialized link"); link->udev_device = udev_device_ref(device); @@ -2161,7 +2182,7 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use r = address_new_dynamic(&address); if (r < 0) - return 0; + return r; r = sd_rtnl_message_addr_get_family(message, &address->family); if (r < 0 || !IN_SET(address->family, AF_INET, AF_INET6)) { @@ -2225,7 +2246,10 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use case RTM_NEWADDR: if (!address_dropped) log_debug_link(link, "added address: %s/%u", buf, - address->prefixlen); + address->prefixlen); + else + log_debug_link(link, "updated address: %s/%u", buf, + address->prefixlen); LIST_PREPEND(addresses, link->addresses, address); address = NULL; @@ -2236,10 +2260,12 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use case RTM_DELADDR: if (address_dropped) { log_debug_link(link, "removed address: %s/%u", buf, - address->prefixlen); + address->prefixlen); link_save(link); - } + } else + log_warning_link(link, "removing non-existent address: %s/%u", + buf, address->prefixlen); break; default: @@ -2249,30 +2275,6 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use return 1; } -static int link_get_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { - _cleanup_link_unref_ Link *link = userdata; - int r; - - assert(rtnl); - assert(m); - assert(link); - assert(link->manager); - - for (; m; m = sd_rtnl_message_next(m)) { - r = sd_rtnl_message_get_errno(m); - if (r < 0) { - log_debug_link(link, "getting address failed: %s", strerror(-r)); - continue; - } - - r = link_rtnl_process_address(rtnl, m, link->manager); - if (r < 0) - log_warning_link(link, "could not process address: %s", strerror(-r)); - } - - return 1; -} - int link_add(Manager *m, sd_rtnl_message *message, Link **ret) { Link *link; _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;