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Diffstat (limited to 'src/network/networkd-fdb.c')
-rw-r--r--src/network/networkd-fdb.c261
1 files changed, 0 insertions, 261 deletions
diff --git a/src/network/networkd-fdb.c b/src/network/networkd-fdb.c
deleted file mode 100644
index ed5a47589e..0000000000
--- a/src/network/networkd-fdb.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright (C) 2014 Intel Corporation. All rights reserved.
-
- 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 <http://www.gnu.org/licenses/>.
-***/
-
-#include <net/ethernet.h>
-#include <net/if.h>
-
-#include "alloc-util.h"
-#include "conf-parser.h"
-#include "netlink-util.h"
-#include "networkd-fdb.h"
-#include "networkd.h"
-#include "util.h"
-#include "vlan-util.h"
-
-#define STATIC_FDB_ENTRIES_PER_NETWORK_MAX 1024U
-
-/* create a new FDB entry or get an existing one. */
-int fdb_entry_new_static(
- Network *network,
- unsigned section,
- FdbEntry **ret) {
-
- _cleanup_fdbentry_free_ FdbEntry *fdb_entry = NULL;
- struct ether_addr *mac_addr = NULL;
-
- assert(network);
- assert(ret);
-
- /* search entry in hashmap first. */
- if (section) {
- fdb_entry = hashmap_get(network->fdb_entries_by_section, UINT_TO_PTR(section));
- if (fdb_entry) {
- *ret = fdb_entry;
- fdb_entry = NULL;
-
- return 0;
- }
- }
-
- if (network->n_static_fdb_entries >= STATIC_FDB_ENTRIES_PER_NETWORK_MAX)
- return -E2BIG;
-
- /* allocate space for MAC address. */
- mac_addr = new0(struct ether_addr, 1);
- if (!mac_addr)
- return -ENOMEM;
-
- /* allocate space for and FDB entry. */
- fdb_entry = new0(FdbEntry, 1);
- if (!fdb_entry) {
- /* free previously allocated space for mac_addr. */
- free(mac_addr);
- return -ENOMEM;
- }
-
- /* init FDB structure. */
- fdb_entry->network = network;
- fdb_entry->mac_addr = mac_addr;
-
- LIST_PREPEND(static_fdb_entries, network->static_fdb_entries, fdb_entry);
- network->n_static_fdb_entries++;
-
- if (section) {
- fdb_entry->section = section;
- hashmap_put(network->fdb_entries_by_section,
- UINT_TO_PTR(fdb_entry->section), fdb_entry);
- }
-
- /* return allocated FDB structure. */
- *ret = fdb_entry;
- fdb_entry = NULL;
-
- return 0;
-}
-
-static int set_fdb_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) {
- Link *link = userdata;
- int r;
-
- assert(link);
-
- r = sd_netlink_message_get_errno(m);
- if (r < 0 && r != -EEXIST)
- log_link_error_errno(link, r, "Could not add FDB entry: %m");
-
- return 1;
-}
-
-/* send a request to the kernel to add a FDB entry in its static MAC table. */
-int fdb_entry_configure(Link *link, FdbEntry *fdb_entry) {
- _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
- sd_netlink *rtnl;
- int r;
- uint8_t flags;
- Bridge *bridge;
-
- assert(link);
- assert(link->network);
- assert(link->manager);
- assert(fdb_entry);
-
- rtnl = link->manager->rtnl;
- bridge = BRIDGE(link->network->bridge);
-
- /* create new RTM message */
- r = sd_rtnl_message_new_neigh(rtnl, &req, RTM_NEWNEIGH, link->ifindex, PF_BRIDGE);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- if (bridge)
- flags = NTF_MASTER;
- else
- flags = NTF_SELF;
-
- r = sd_rtnl_message_neigh_set_flags(req, flags);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- /* only NUD_PERMANENT state supported. */
- r = sd_rtnl_message_neigh_set_state(req, NUD_NOARP | NUD_PERMANENT);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- r = sd_netlink_message_append_ether_addr(req, NDA_LLADDR, fdb_entry->mac_addr);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- /* VLAN Id is optional. We'll add VLAN Id only if it's specified. */
- if (0 != fdb_entry->vlan_id) {
- r = sd_netlink_message_append_u16(req, NDA_VLAN, fdb_entry->vlan_id);
- if (r < 0)
- return rtnl_log_create_error(r);
- }
-
- /* send message to the kernel to update its internal static MAC table. */
- r = sd_netlink_call_async(rtnl, req, set_fdb_handler, link, 0, NULL);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not send rtnetlink message: %m");
-
- return 0;
-}
-
-/* remove and FDB entry. */
-void fdb_entry_free(FdbEntry *fdb_entry) {
- if (!fdb_entry)
- return;
-
- if (fdb_entry->network) {
- LIST_REMOVE(static_fdb_entries, fdb_entry->network->static_fdb_entries, fdb_entry);
-
- assert(fdb_entry->network->n_static_fdb_entries > 0);
- fdb_entry->network->n_static_fdb_entries--;
-
- if (fdb_entry->section)
- hashmap_remove(fdb_entry->network->fdb_entries_by_section, UINT_TO_PTR(fdb_entry->section));
- }
-
- free(fdb_entry->mac_addr);
-
- free(fdb_entry);
-}
-
-/* parse the HW address from config files. */
-int config_parse_fdb_hwaddr(
- const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Network *network = userdata;
- _cleanup_fdbentry_free_ FdbEntry *fdb_entry = NULL;
- int r;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = fdb_entry_new_static(network, section_line, &fdb_entry);
- if (r < 0)
- return log_oom();
-
- /* read in the MAC address for the FDB table. */
- r = sscanf(rvalue, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
- &fdb_entry->mac_addr->ether_addr_octet[0],
- &fdb_entry->mac_addr->ether_addr_octet[1],
- &fdb_entry->mac_addr->ether_addr_octet[2],
- &fdb_entry->mac_addr->ether_addr_octet[3],
- &fdb_entry->mac_addr->ether_addr_octet[4],
- &fdb_entry->mac_addr->ether_addr_octet[5]);
-
- if (ETHER_ADDR_LEN != r) {
- log_syntax(unit, LOG_ERR, filename, line, 0, "Not a valid MAC address, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- fdb_entry = NULL;
-
- return 0;
-}
-
-/* parse the VLAN Id from config files. */
-int config_parse_fdb_vlan_id(
- const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Network *network = userdata;
- _cleanup_fdbentry_free_ FdbEntry *fdb_entry = NULL;
- int r;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = fdb_entry_new_static(network, section_line, &fdb_entry);
- if (r < 0)
- return log_oom();
-
- r = config_parse_vlanid(unit, filename, line, section,
- section_line, lvalue, ltype,
- rvalue, &fdb_entry->vlan_id, userdata);
- if (r < 0)
- return r;
-
- fdb_entry = NULL;
-
- return 0;
-}
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