X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd-link.c;h=63c7a8bf248195f1aad1dd7298a7d6464925a4c7;hb=fbee1d8587458922dec3fd8a9e0f663313697029;hp=08f724e1279d5902f10f82cd1d7040d0da1885bc;hpb=5c79bd79839f1e50bd3c34a0670037f7965ca5a4;p=elogind.git diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c index 08f724e12..63c7a8bf2 100644 --- a/src/network/networkd-link.c +++ b/src/network/networkd-link.c @@ -75,6 +75,19 @@ static bool link_ipv4ll_enabled(Link *link) { return link->network->ipv4ll; } +static bool link_lldp_enabled(Link *link) { + if (link->flags & IFF_LOOPBACK) + return false; + + if (!link->network) + return false; + + if(link->network->bridge) + return false; + + return link->network->lldp; +} + #define FLAG_STRING(string, flag, old, new) \ (((old ^ new) & flag) \ ? ((old & flag) ? (" -" string) : (" +" string)) \ @@ -206,6 +219,12 @@ static int link_new(Manager *manager, sd_rtnl_message *message, Link **ret) { if (r < 0) return -ENOMEM; + r = asprintf(&link->lldp_file, "/run/systemd/netif/lldp/%d", + link->ifindex); + if (r < 0) + return -ENOMEM; + + r = hashmap_ensure_allocated(&manager->links, NULL); if (r < 0) return r; @@ -240,12 +259,16 @@ static void link_free(Link *link) { address_free(address); } + sd_dhcp_server_unref(link->dhcp_server); sd_dhcp_client_unref(link->dhcp_client); sd_dhcp_lease_unref(link->dhcp_lease); unlink(link->lease_file); free(link->lease_file); + unlink(link->lldp_file); + free(link->lldp_file); + sd_ipv4ll_unref(link->ipv4ll); sd_dhcp6_client_unref(link->dhcp6_client); sd_icmp6_nd_unref(link->icmp6_router_discovery); @@ -364,6 +387,16 @@ static int link_stop_clients(Link *link) { } } + if (link->lldp) { + + k = sd_lldp_stop(link->lldp); + if (k < 0) { + log_link_warning(link, "Could not stop LLDP : %s", + strerror(-r)); + r = k; + } + } + return r; } @@ -656,6 +689,21 @@ int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) return 1; } +static int link_set_bridge_fdb(const Link *const link) { + FdbEntry *fdb_entry; + int r = 0; + + LIST_FOREACH(static_fdb_entries, fdb_entry, link->network->static_fdb_entries) { + r = fdb_entry_configure(link->manager->rtnl, fdb_entry, link->ifindex); + if(r < 0) { + log_link_error(link, "Failed to add MAC entry to static MAC table: %s", strerror(-r)); + break; + } + } + + return r; +} + static int link_set_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; @@ -857,6 +905,23 @@ static int link_set_bridge(Link *link) { return r; } +static void lldp_handler(sd_lldp *lldp, int event, void *userdata) { + Link *link = userdata; + int r; + + assert(link); + assert(link->network); + assert(link->manager); + + if (event != UPDATE_INFO) + return; + + r = sd_lldp_save(link->lldp, link->lldp_file); + if (r < 0) + log_link_warning(link, "could not save LLDP"); + +} + static int link_acquire_conf(Link *link) { int r; @@ -904,6 +969,18 @@ static int link_acquire_conf(Link *link) { } } + if (link_lldp_enabled(link)) { + assert(link->lldp); + + log_link_debug(link, "Starting LLDP"); + + r = sd_lldp_start(link->lldp); + if (r < 0) { + log_link_warning(link, "could not start LLDP "); + return r; + } + } + return 0; } @@ -1147,6 +1224,10 @@ static int link_configure(Link *link) { assert(link->network); assert(link->state == LINK_STATE_PENDING); + r = link_set_bridge_fdb(link); + if (r < 0) + return r; + if (link_ipv4ll_enabled(link)) { r = ipv4ll_configure(link); if (r < 0) @@ -1175,6 +1256,21 @@ static int link_configure(Link *link) { return r; } + if (link_lldp_enabled(link)) { + r = sd_lldp_new(link->ifindex, link->ifname, &link->mac, &link->lldp); + if (r < 0) + return r; + + r = sd_lldp_attach_event(link->lldp, NULL, 0); + if (r < 0) + return r; + + r = sd_lldp_set_callback(link->lldp, + lldp_handler, link); + if (r < 0) + return r; + } + if (link_has_carrier(link)) { r = link_acquire_conf(link); if (r < 0) @@ -1791,6 +1887,19 @@ int link_save(Link *link) { } else unlink(link->lease_file); + if (link->lldp) { + assert(link->network); + + r = sd_lldp_save(link->lldp, link->lldp_file); + if (r < 0) + goto fail; + + fprintf(f, + "LLDP_FILE=%s\n", + link->lldp_file); + } else + unlink(link->lldp_file); + r = fflush_and_check(f); if (r < 0) goto fail;