+// SPDX-License-Identifier: GPL-2.0-or-later
/* Kernel communication using netlink interface.
* Copyright (C) 1999 Kunihiro Ishiguro
- *
- * This file is part of GNU Zebra.
- *
- * GNU Zebra is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * GNU Zebra 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
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; see the file COPYING; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
#include "table.h"
#include "memory.h"
#include "rib.h"
-#include "thread.h"
+#include "frrevent.h"
#include "privs.h"
#include "nexthop.h"
#include "vrf.h"
{RTM_NEWTFILTER, "RTM_NEWTFILTER"},
{RTM_DELTFILTER, "RTM_DELTFILTER"},
{RTM_GETTFILTER, "RTM_GETTFILTER"},
+ {RTM_NEWVLAN, "RTM_NEWVLAN"},
+ {RTM_DELVLAN, "RTM_DELVLAN"},
+ {RTM_GETVLAN, "RTM_GETVLAN"},
{0}};
static const struct message rtproto_str[] = {
{RTN_XRESOLVE, "resolver"},
{0}};
-extern struct thread_master *master;
+extern struct event_loop *master;
extern struct zebra_privs_t zserv_privs;
const struct zebra_dplane_info *zns;
- struct dplane_ctx_q ctx_list;
+ struct dplane_ctx_list_head ctx_list;
/*
* Pointer to the queue of completed contexts outbound back
* towards the dataplane module.
*/
- struct dplane_ctx_q *ctx_out_q;
+ struct dplane_ctx_list_head *ctx_out_q;
};
int netlink_config_write_helper(struct vty *vty)
return netlink_nexthop_change(h, ns_id, startup);
case RTM_DELNEXTHOP:
return netlink_nexthop_change(h, ns_id, startup);
+ case RTM_NEWQDISC:
+ case RTM_DELQDISC:
+ return netlink_qdisc_change(h, ns_id, startup);
+ case RTM_NEWTCLASS:
+ case RTM_DELTCLASS:
+ return netlink_tclass_change(h, ns_id, startup);
+ case RTM_NEWTFILTER:
+ case RTM_DELTFILTER:
+ return netlink_tfilter_change(h, ns_id, startup);
+ case RTM_NEWVLAN:
+ return netlink_vlan_change(h, ns_id, startup);
+ case RTM_DELVLAN:
+ return netlink_vlan_change(h, ns_id, startup);
/* Messages handled in the dplane thread */
case RTM_NEWADDR:
return 0;
}
-static void kernel_read(struct thread *thread)
+static void kernel_read(struct event *thread)
{
- struct zebra_ns *zns = (struct zebra_ns *)THREAD_ARG(thread);
+ struct zebra_ns *zns = (struct zebra_ns *)EVENT_ARG(thread);
struct zebra_dplane_info dp_info;
/* Capture key info from ns struct */
netlink_parse_info(netlink_information_fetch, &zns->netlink, &dp_info,
5, false);
- thread_add_read(zrouter.master, kernel_read, zns, zns->netlink.sock,
- &zns->t_netlink);
+ event_add_read(zrouter.master, kernel_read, zns, zns->netlink.sock,
+ &zns->t_netlink);
}
/*
return nl_attr_put(n, maxlen, type, &data, sizeof(uint32_t));
}
+bool nl_attr_put64(struct nlmsghdr *n, unsigned int maxlen, int type,
+ uint64_t data)
+{
+ return nl_attr_put(n, maxlen, type, &data, sizeof(uint64_t));
+}
+
struct rtattr *nl_attr_nest(struct nlmsghdr *n, unsigned int maxlen, int type)
{
struct rtattr *nest = NLMSG_TAIL(n);
nl_msg_type_to_str(msg_type), msg_type,
err->msg.nlmsg_seq, err->msg.nlmsg_pid);
} else {
- if ((msg_type != RTM_GETNEXTHOP) || !startup)
+ if ((msg_type != RTM_GETNEXTHOP && msg_type != RTM_GETVLAN) ||
+ !startup)
flog_err(EC_ZEBRA_UNEXPECTED_MESSAGE,
"%s error: %s, type=%s(%u), seq=%u, pid=%u",
nl->name, safe_strerror(-errnum),
bth->msgcnt = 0;
bth->zns = NULL;
- TAILQ_INIT(&(bth->ctx_list));
+ dplane_ctx_q_init(&(bth->ctx_list));
}
-static void nl_batch_init(struct nl_batch *bth, struct dplane_ctx_q *ctx_out_q)
+static void nl_batch_init(struct nl_batch *bth,
+ struct dplane_ctx_list_head *ctx_out_q)
{
/*
* If the size of the buffer has changed, free and then allocate a new
case DPLANE_OP_INTF_DELETE:
return netlink_put_intf_update_msg(bth, ctx);
- case DPLANE_OP_TC_INSTALL:
- case DPLANE_OP_TC_UPDATE:
- case DPLANE_OP_TC_DELETE:
- return netlink_put_tc_update_msg(bth, ctx);
+ case DPLANE_OP_TC_QDISC_INSTALL:
+ case DPLANE_OP_TC_QDISC_UNINSTALL:
+ return netlink_put_tc_qdisc_update_msg(bth, ctx);
+ case DPLANE_OP_TC_CLASS_ADD:
+ case DPLANE_OP_TC_CLASS_DELETE:
+ case DPLANE_OP_TC_CLASS_UPDATE:
+ return netlink_put_tc_class_update_msg(bth, ctx);
+ case DPLANE_OP_TC_FILTER_ADD:
+ case DPLANE_OP_TC_FILTER_DELETE:
+ case DPLANE_OP_TC_FILTER_UPDATE:
+ return netlink_put_tc_filter_update_msg(bth, ctx);
}
return FRR_NETLINK_ERROR;
}
-void kernel_update_multi(struct dplane_ctx_q *ctx_list)
+void kernel_update_multi(struct dplane_ctx_list_head *ctx_list)
{
struct nl_batch batch;
struct zebra_dplane_ctx *ctx;
- struct dplane_ctx_q handled_list;
+ struct dplane_ctx_list_head handled_list;
enum netlink_msg_status res;
- TAILQ_INIT(&handled_list);
+ dplane_ctx_q_init(&handled_list);
nl_batch_init(&batch, &handled_list);
while (true) {
nl_batch_send(&batch);
- TAILQ_INIT(ctx_list);
+ dplane_ctx_q_init(ctx_list);
dplane_ctx_list_append(ctx_list, &handled_list);
}
{
uint32_t groups, dplane_groups, ext_groups;
#if defined SOL_NETLINK
- int one, ret;
+ int one, ret, grp;
#endif
/*
* keeping track of all the different values would
* lead to confusion, so we need to convert the
* RTNLGRP_XXX to a bit position for ourself
+ *
+ *
+ * NOTE: If the bit is >= 32, you must use setsockopt(). Those
+ * groups are added further below after SOL_NETLINK is verified to
+ * exist.
*/
groups = RTMGRP_LINK |
- RTMGRP_IPV4_ROUTE |
- RTMGRP_IPV4_IFADDR |
- RTMGRP_IPV6_ROUTE |
- RTMGRP_IPV6_IFADDR |
- RTMGRP_IPV4_MROUTE |
- RTMGRP_NEIGH |
- ((uint32_t) 1 << (RTNLGRP_IPV4_RULE - 1)) |
- ((uint32_t) 1 << (RTNLGRP_IPV6_RULE - 1)) |
- ((uint32_t) 1 << (RTNLGRP_NEXTHOP - 1));
+ RTMGRP_IPV4_ROUTE |
+ RTMGRP_IPV4_IFADDR |
+ RTMGRP_IPV6_ROUTE |
+ RTMGRP_IPV6_IFADDR |
+ RTMGRP_IPV4_MROUTE |
+ RTMGRP_NEIGH |
+ ((uint32_t) 1 << (RTNLGRP_IPV4_RULE - 1)) |
+ ((uint32_t) 1 << (RTNLGRP_IPV6_RULE - 1)) |
+ ((uint32_t) 1 << (RTNLGRP_NEXTHOP - 1)) |
+ ((uint32_t) 1 << (RTNLGRP_TC - 1));
dplane_groups = (RTMGRP_LINK |
RTMGRP_IPV4_IFADDR |
* sure that we want to pull into our build system.
*/
#if defined SOL_NETLINK
+
+ /*
+ * setsockopt multicast group subscriptions that don't fit in nl_groups
+ */
+ grp = RTNLGRP_BRVLAN;
+ ret = setsockopt(zns->netlink.sock, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP,
+ &grp, sizeof(grp));
+
+ if (ret < 0)
+ zlog_notice(
+ "Registration for RTNLGRP_BRVLAN Membership failed : %d %s",
+ errno, safe_strerror(errno));
/*
* Let's tell the kernel that we want to receive extended
* ACKS over our command socket(s)
zns->t_netlink = NULL;
- thread_add_read(zrouter.master, kernel_read, zns,
- zns->netlink.sock, &zns->t_netlink);
+ event_add_read(zrouter.master, kernel_read, zns, zns->netlink.sock,
+ &zns->t_netlink);
rt_netlink_init();
}
void kernel_terminate(struct zebra_ns *zns, bool complete)
{
- THREAD_OFF(zns->t_netlink);
+ EVENT_OFF(zns->t_netlink);
kernel_nlsock_fini(&zns->netlink);