/*** This file is part of systemd. Copyright 2014 Tom Gundersen Copyright 2014 Susant Sahani systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ #include #include "missing.h" #include "netlink-util.h" #include "networkd.h" #include "netdev/bridge.h" /* callback for brige netdev's parameter set */ static int netdev_bridge_set_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_netdev_unref_ NetDev *netdev = userdata; int r; assert(netdev); assert(m); r = sd_netlink_message_get_errno(m); if (r < 0) { log_netdev_warning_errno(netdev, r, "Bridge parameters could not be set: %m"); return 1; } log_netdev_debug(netdev, "Bridge parameters set success"); return 1; } static int netdev_bridge_post_create(NetDev *netdev, Link *link, sd_netlink_message *m) { _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; Bridge *b; int r; assert(netdev); b = BRIDGE(netdev); assert(b); r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_NEWLINK, netdev->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not allocate RTM_SETLINK message: %m"); r = sd_netlink_message_set_flags(req, NLM_F_REQUEST | NLM_F_ACK); if (r < 0) return log_link_error_errno(link, r, "Could not set netlink flags: %m"); r = sd_netlink_message_open_container(req, IFLA_LINKINFO); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_PROTINFO attribute: %m"); r = sd_netlink_message_open_container_union(req, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m"); /* convert to jiffes */ if (b->forward_delay > 0) { r = sd_netlink_message_append_u32(req, IFLA_BR_FORWARD_DELAY, usec_to_jiffies(b->forward_delay)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_FORWARD_DELAY attribute: %m"); } if (b->hello_time > 0) { r = sd_netlink_message_append_u32(req, IFLA_BR_HELLO_TIME, usec_to_jiffies(b->hello_time)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_HELLO_TIME attribute: %m"); } if (b->max_age > 0) { r = sd_netlink_message_append_u32(req, IFLA_BR_MAX_AGE, usec_to_jiffies(b->max_age)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MAX_AGE attribute: %m"); } if (b->ageing_time > 0) { r = sd_netlink_message_append_u32(req, IFLA_BR_AGEING_TIME, usec_to_jiffies(b->ageing_time)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_AGEING_TIME attribute: %m"); } if (b->priority > 0) { r = sd_netlink_message_append_u16(req, IFLA_BR_PRIORITY, b->priority); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_PRIORITY attribute: %m"); } if (b->default_pvid > 0) { r = sd_netlink_message_append_u16(req, IFLA_BR_VLAN_DEFAULT_PVID, b->default_pvid); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_VLAN_DEFAULT_PVID attribute: %m"); } if (b->mcast_querier >= 0) { r = sd_netlink_message_append_u8(req, IFLA_BR_MCAST_QUERIER, b->mcast_querier); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MCAST_QUERIER attribute: %m"); } if (b->mcast_snooping >= 0) { r = sd_netlink_message_append_u8(req, IFLA_BR_MCAST_SNOOPING, b->mcast_snooping); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MCAST_SNOOPING attribute: %m"); } if (b->vlan_filtering >= 0) { r = sd_netlink_message_append_u8(req, IFLA_BR_VLAN_FILTERING, b->vlan_filtering); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_VLAN_FILTERING attribute: %m"); } if (b->stp >= 0) { r = sd_netlink_message_append_u32(req, IFLA_BR_STP_STATE, b->stp); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_STP_STATE attribute: %m"); } r = sd_netlink_message_close_container(req); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m"); r = sd_netlink_message_close_container(req); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m"); r = sd_netlink_call_async(netdev->manager->rtnl, req, netdev_bridge_set_handler, netdev, 0, NULL); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not send rtnetlink message: %m"); netdev_ref(netdev); return r; } static void bridge_init(NetDev *n) { Bridge *b; b = BRIDGE(n); assert(b); b->mcast_querier = -1; b->mcast_snooping = -1; b->vlan_filtering = -1; b->stp = -1; } const NetDevVTable bridge_vtable = { .object_size = sizeof(Bridge), .init = bridge_init, .sections = "Match\0NetDev\0Bridge\0", .post_create = netdev_bridge_post_create, .create_type = NETDEV_CREATE_MASTER, };