164 lines
6.2 KiB
C
164 lines
6.2 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include <net/if.h>
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#include "missing.h"
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#include "netlink-util.h"
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#include "netdev/bridge.h"
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#include "networkd-manager.h"
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#include "vlan-util.h"
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/* callback for bridge netdev's parameter set */
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static int netdev_bridge_set_handler(sd_netlink *rtnl, sd_netlink_message *m, NetDev *netdev) {
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int r;
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assert(netdev);
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assert(m);
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r = sd_netlink_message_get_errno(m);
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if (r < 0) {
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log_netdev_warning_errno(netdev, r, "Bridge parameters could not be set: %m");
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return 1;
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}
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log_netdev_debug(netdev, "Bridge parameters set success");
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return 1;
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}
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static int netdev_bridge_post_create(NetDev *netdev, Link *link, sd_netlink_message *m) {
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_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
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Bridge *b;
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int r;
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assert(netdev);
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b = BRIDGE(netdev);
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assert(b);
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r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_NEWLINK, netdev->ifindex);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not allocate RTM_SETLINK message: %m");
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r = sd_netlink_message_set_flags(req, NLM_F_REQUEST | NLM_F_ACK);
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if (r < 0)
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return log_link_error_errno(link, r, "Could not set netlink flags: %m");
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r = sd_netlink_message_open_container(req, IFLA_LINKINFO);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m");
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r = sd_netlink_message_open_container_union(req, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind));
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m");
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/* convert to jiffes */
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if (b->forward_delay != USEC_INFINITY) {
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r = sd_netlink_message_append_u32(req, IFLA_BR_FORWARD_DELAY, usec_to_jiffies(b->forward_delay));
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_FORWARD_DELAY attribute: %m");
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}
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if (b->hello_time > 0) {
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r = sd_netlink_message_append_u32(req, IFLA_BR_HELLO_TIME, usec_to_jiffies(b->hello_time));
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_HELLO_TIME attribute: %m");
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}
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if (b->max_age > 0) {
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r = sd_netlink_message_append_u32(req, IFLA_BR_MAX_AGE, usec_to_jiffies(b->max_age));
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MAX_AGE attribute: %m");
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}
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if (b->ageing_time != USEC_INFINITY) {
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r = sd_netlink_message_append_u32(req, IFLA_BR_AGEING_TIME, usec_to_jiffies(b->ageing_time));
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_AGEING_TIME attribute: %m");
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}
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if (b->priority > 0) {
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r = sd_netlink_message_append_u16(req, IFLA_BR_PRIORITY, b->priority);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_PRIORITY attribute: %m");
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}
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if (b->group_fwd_mask > 0) {
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r = sd_netlink_message_append_u16(req, IFLA_BR_GROUP_FWD_MASK, b->group_fwd_mask);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_GROUP_FWD_MASK attribute: %m");
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}
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if (b->default_pvid != VLANID_INVALID) {
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r = sd_netlink_message_append_u16(req, IFLA_BR_VLAN_DEFAULT_PVID, b->default_pvid);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_VLAN_DEFAULT_PVID attribute: %m");
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}
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if (b->mcast_querier >= 0) {
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r = sd_netlink_message_append_u8(req, IFLA_BR_MCAST_QUERIER, b->mcast_querier);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MCAST_QUERIER attribute: %m");
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}
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if (b->mcast_snooping >= 0) {
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r = sd_netlink_message_append_u8(req, IFLA_BR_MCAST_SNOOPING, b->mcast_snooping);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MCAST_SNOOPING attribute: %m");
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}
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if (b->vlan_filtering >= 0) {
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r = sd_netlink_message_append_u8(req, IFLA_BR_VLAN_FILTERING, b->vlan_filtering);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_VLAN_FILTERING attribute: %m");
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}
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if (b->stp >= 0) {
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r = sd_netlink_message_append_u32(req, IFLA_BR_STP_STATE, b->stp);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_STP_STATE attribute: %m");
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}
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r = sd_netlink_message_close_container(req);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m");
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r = sd_netlink_message_close_container(req);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m");
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r = netlink_call_async(netdev->manager->rtnl, NULL, req, netdev_bridge_set_handler,
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netdev_destroy_callback, netdev);
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if (r < 0)
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return log_netdev_error_errno(netdev, r, "Could not send rtnetlink message: %m");
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netdev_ref(netdev);
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return r;
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}
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static void bridge_init(NetDev *n) {
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Bridge *b;
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b = BRIDGE(n);
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assert(b);
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b->mcast_querier = -1;
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b->mcast_snooping = -1;
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b->vlan_filtering = -1;
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b->stp = -1;
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b->default_pvid = VLANID_INVALID;
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b->forward_delay = USEC_INFINITY;
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b->ageing_time = USEC_INFINITY;
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}
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const NetDevVTable bridge_vtable = {
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.object_size = sizeof(Bridge),
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.init = bridge_init,
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.sections = "Match\0NetDev\0Bridge\0",
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.post_create = netdev_bridge_post_create,
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.create_type = NETDEV_CREATE_MASTER,
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};
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