Adding upstream version 6.8.0.upstream/6.8.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 488 insertions, 0 deletions

diff --git a/ip/iplink_bridge_slave.c b/ip/iplink_bridge_slave.c
new file mode 100644
index 0000000..3821923
--- /dev/null
+++ b/ip/iplink_bridge_slave.c
@@ -0,0 +1,488 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * iplink_bridge_slave.c	Bridge slave device support
+ *
+ * Authors:     Jiri Pirko <jiri@resnulli.us>
+ */
+
+#include <stdio.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <linux/if_link.h>
+#include <linux/if_bridge.h>
+
+#include "rt_names.h"
+#include "utils.h"
+#include "ip_common.h"
+
+static void print_explain(FILE *f)
+{
+	fprintf(f,
+		"Usage: ... bridge_slave [ fdb_flush ]\n"
+		"			[ state STATE ]\n"
+		"			[ priority PRIO ]\n"
+		"			[ cost COST ]\n"
+		"			[ guard {on | off} ]\n"
+		"			[ hairpin {on | off} ]\n"
+		"			[ fastleave {on | off} ]\n"
+		"			[ root_block {on | off} ]\n"
+		"			[ learning {on | off} ]\n"
+		"			[ flood {on | off} ]\n"
+		"			[ proxy_arp {on | off} ]\n"
+		"			[ proxy_arp_wifi {on | off} ]\n"
+		"			[ mcast_router MULTICAST_ROUTER ]\n"
+		"			[ mcast_fast_leave {on | off} ]\n"
+		"			[ mcast_flood {on | off} ]\n"
+		"			[ bcast_flood {on | off} ]\n"
+		"			[ mcast_to_unicast {on | off} ]\n"
+		"			[ group_fwd_mask MASK ]\n"
+		"			[ neigh_suppress {on | off} ]\n"
+		"			[ neigh_vlan_suppress {on | off} ]\n"
+		"			[ vlan_tunnel {on | off} ]\n"
+		"			[ isolated {on | off} ]\n"
+		"			[ locked {on | off} ]\n"
+		"			[ mab {on | off} ]\n"
+		"			[ backup_port DEVICE ] [ nobackup_port ]\n"
+		"			[ backup_nhid NHID ]\n"
+	);
+}
+
+static void explain(void)
+{
+	print_explain(stderr);
+}
+
+static const char *port_states[] = {
+	[BR_STATE_DISABLED] = "disabled",
+	[BR_STATE_LISTENING] = "listening",
+	[BR_STATE_LEARNING] = "learning",
+	[BR_STATE_FORWARDING] = "forwarding",
+	[BR_STATE_BLOCKING] = "blocking",
+};
+
+static const char *fwd_mask_tbl[16] = {
+	[0]	= "stp",
+	[2]	= "lacp",
+	[14]	= "lldp"
+};
+
+static void print_portstate(FILE *f, __u8 state)
+{
+	if (state <= BR_STATE_BLOCKING)
+		print_string(PRINT_ANY,
+			     "state",
+			     "state %s ",
+			     port_states[state]);
+	else
+		print_int(PRINT_ANY, "state_index", "state (%d) ", state);
+}
+
+static void _print_timer(FILE *f, const char *attr, struct rtattr *timer)
+{
+	struct timeval tv;
+
+	__jiffies_to_tv(&tv, rta_getattr_u64(timer));
+	if (is_json_context()) {
+		json_writer_t *jw = get_json_writer();
+
+		jsonw_name(jw, attr);
+		jsonw_printf(jw, "%i.%.2i",
+			     (int)tv.tv_sec, (int)tv.tv_usec / 10000);
+	} else {
+		fprintf(f, "%s %4i.%.2i ", attr, (int)tv.tv_sec,
+			(int)tv.tv_usec / 10000);
+	}
+}
+
+static void _bitmask2str(__u16 bitmask, char *dst, size_t dst_size,
+			 const char **tbl)
+{
+	int len, i;
+
+	for (i = 0, len = 0; bitmask; i++, bitmask >>= 1) {
+		int n;
+
+		if (bitmask & 0x1) {
+			if (tbl[i])
+				n = snprintf(dst + len, dst_size - len, "%s,",
+						tbl[i]);
+			else
+				n = snprintf(dst + len, dst_size - len, "0x%x,",
+						(1 << i));
+
+			if (n < 0 || n >= dst_size - len)
+				break;
+
+			len += n;
+		}
+	}
+
+	if (!len)
+		snprintf(dst, dst_size, "0x0");
+	else
+		dst[len - 1] = 0;
+}
+
+static void bridge_slave_print_opt(struct link_util *lu, FILE *f,
+				   struct rtattr *tb[])
+{
+	if (!tb)
+		return;
+
+	if (tb[IFLA_BRPORT_STATE])
+		print_portstate(f, rta_getattr_u8(tb[IFLA_BRPORT_STATE]));
+
+	if (tb[IFLA_BRPORT_PRIORITY])
+		print_int(PRINT_ANY,
+			  "priority",
+			  "priority %d ",
+			  rta_getattr_u16(tb[IFLA_BRPORT_PRIORITY]));
+
+	if (tb[IFLA_BRPORT_COST])
+		print_int(PRINT_ANY,
+			  "cost",
+			  "cost %d ",
+			  rta_getattr_u32(tb[IFLA_BRPORT_COST]));
+
+	if (tb[IFLA_BRPORT_MODE])
+		print_on_off(PRINT_ANY, "hairpin", "hairpin %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_MODE]));
+
+	if (tb[IFLA_BRPORT_GUARD])
+		print_on_off(PRINT_ANY, "guard", "guard %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_GUARD]));
+
+	if (tb[IFLA_BRPORT_PROTECT])
+		print_on_off(PRINT_ANY, "root_block", "root_block %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_PROTECT]));
+
+	if (tb[IFLA_BRPORT_FAST_LEAVE])
+		print_on_off(PRINT_ANY, "fastleave", "fastleave %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_FAST_LEAVE]));
+
+	if (tb[IFLA_BRPORT_LEARNING])
+		print_on_off(PRINT_ANY, "learning", "learning %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_LEARNING]));
+
+	if (tb[IFLA_BRPORT_UNICAST_FLOOD])
+		print_on_off(PRINT_ANY, "flood", "flood %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_UNICAST_FLOOD]));
+
+	if (tb[IFLA_BRPORT_ID])
+		print_0xhex(PRINT_ANY, "id", "port_id %#llx ",
+			    rta_getattr_u16(tb[IFLA_BRPORT_ID]));
+
+	if (tb[IFLA_BRPORT_NO])
+		print_0xhex(PRINT_ANY, "no", "port_no %#llx ",
+			   rta_getattr_u16(tb[IFLA_BRPORT_NO]));
+
+	if (tb[IFLA_BRPORT_DESIGNATED_PORT])
+		print_uint(PRINT_ANY,
+			   "designated_port",
+			   "designated_port %u ",
+			   rta_getattr_u16(tb[IFLA_BRPORT_DESIGNATED_PORT]));
+
+	if (tb[IFLA_BRPORT_DESIGNATED_COST])
+		print_uint(PRINT_ANY,
+			   "designated_cost",
+			   "designated_cost %u ",
+			   rta_getattr_u16(tb[IFLA_BRPORT_DESIGNATED_COST]));
+
+	if (tb[IFLA_BRPORT_BRIDGE_ID]) {
+		char bridge_id[32];
+
+		br_dump_bridge_id(RTA_DATA(tb[IFLA_BRPORT_BRIDGE_ID]),
+				  bridge_id, sizeof(bridge_id));
+		print_string(PRINT_ANY,
+			     "bridge_id",
+			     "designated_bridge %s ",
+			     bridge_id);
+	}
+
+	if (tb[IFLA_BRPORT_ROOT_ID]) {
+		char root_id[32];
+
+		br_dump_bridge_id(RTA_DATA(tb[IFLA_BRPORT_ROOT_ID]),
+				  root_id, sizeof(root_id));
+		print_string(PRINT_ANY,
+			     "root_id",
+			     "designated_root %s ", root_id);
+	}
+
+	if (tb[IFLA_BRPORT_HOLD_TIMER])
+		_print_timer(f, "hold_timer", tb[IFLA_BRPORT_HOLD_TIMER]);
+
+	if (tb[IFLA_BRPORT_MESSAGE_AGE_TIMER])
+		_print_timer(f, "message_age_timer",
+			     tb[IFLA_BRPORT_MESSAGE_AGE_TIMER]);
+
+	if (tb[IFLA_BRPORT_FORWARD_DELAY_TIMER])
+		_print_timer(f, "forward_delay_timer",
+			     tb[IFLA_BRPORT_FORWARD_DELAY_TIMER]);
+
+	if (tb[IFLA_BRPORT_TOPOLOGY_CHANGE_ACK])
+		print_uint(PRINT_ANY,
+			   "topology_change_ack",
+			   "topology_change_ack %u ",
+			   rta_getattr_u8(tb[IFLA_BRPORT_TOPOLOGY_CHANGE_ACK]));
+
+	if (tb[IFLA_BRPORT_CONFIG_PENDING])
+		print_uint(PRINT_ANY,
+			   "config_pending",
+			   "config_pending %u ",
+			   rta_getattr_u8(tb[IFLA_BRPORT_CONFIG_PENDING]));
+
+	if (tb[IFLA_BRPORT_PROXYARP])
+		print_on_off(PRINT_ANY, "proxy_arp", "proxy_arp %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_PROXYARP]));
+
+	if (tb[IFLA_BRPORT_PROXYARP_WIFI])
+		print_on_off(PRINT_ANY, "proxy_arp_wifi", "proxy_arp_wifi %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_PROXYARP_WIFI]));
+
+	if (tb[IFLA_BRPORT_MULTICAST_ROUTER])
+		print_uint(PRINT_ANY,
+			   "multicast_router",
+			   "mcast_router %u ",
+			   rta_getattr_u8(tb[IFLA_BRPORT_MULTICAST_ROUTER]));
+
+	if (tb[IFLA_BRPORT_FAST_LEAVE])
+		// not printing any json here because
+		// we already printed fast_leave before
+		print_string(PRINT_FP,
+			     NULL,
+			     "mcast_fast_leave %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_FAST_LEAVE]) ? "on" : "off");
+
+	if (tb[IFLA_BRPORT_MCAST_FLOOD])
+		print_on_off(PRINT_ANY, "mcast_flood", "mcast_flood %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_MCAST_FLOOD]));
+
+	if (tb[IFLA_BRPORT_BCAST_FLOOD])
+		print_on_off(PRINT_ANY, "bcast_flood", "bcast_flood %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_BCAST_FLOOD]));
+
+	if (tb[IFLA_BRPORT_MCAST_TO_UCAST])
+		print_on_off(PRINT_ANY, "mcast_to_unicast", "mcast_to_unicast %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_MCAST_TO_UCAST]));
+
+	if (tb[IFLA_BRPORT_NEIGH_SUPPRESS])
+		print_on_off(PRINT_ANY, "neigh_suppress", "neigh_suppress %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_NEIGH_SUPPRESS]));
+
+	if (tb[IFLA_BRPORT_NEIGH_VLAN_SUPPRESS])
+		print_on_off(PRINT_ANY, "neigh_vlan_suppress",
+			     "neigh_vlan_suppress %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_NEIGH_VLAN_SUPPRESS]));
+
+	if (tb[IFLA_BRPORT_GROUP_FWD_MASK]) {
+		char convbuf[256];
+		__u16 fwd_mask;
+
+		fwd_mask = rta_getattr_u16(tb[IFLA_BRPORT_GROUP_FWD_MASK]);
+		print_0xhex(PRINT_ANY, "group_fwd_mask",
+			    "group_fwd_mask %#llx ", fwd_mask);
+		_bitmask2str(fwd_mask, convbuf, sizeof(convbuf), fwd_mask_tbl);
+		print_string(PRINT_ANY, "group_fwd_mask_str",
+			     "group_fwd_mask_str %s ", convbuf);
+	}
+
+	if (tb[IFLA_BRPORT_VLAN_TUNNEL])
+		print_on_off(PRINT_ANY, "vlan_tunnel", "vlan_tunnel %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_VLAN_TUNNEL]));
+
+	if (tb[IFLA_BRPORT_ISOLATED])
+		print_on_off(PRINT_ANY, "isolated", "isolated %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_ISOLATED]));
+
+	if (tb[IFLA_BRPORT_LOCKED])
+		print_on_off(PRINT_ANY, "locked", "locked %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_LOCKED]));
+
+	if (tb[IFLA_BRPORT_MAB])
+		print_on_off(PRINT_ANY, "mab", "mab %s ",
+			     rta_getattr_u8(tb[IFLA_BRPORT_MAB]));
+
+	if (tb[IFLA_BRPORT_BACKUP_PORT]) {
+		int backup_p = rta_getattr_u32(tb[IFLA_BRPORT_BACKUP_PORT]);
+
+		print_string(PRINT_ANY, "backup_port", "backup_port %s ",
+			     ll_index_to_name(backup_p));
+	}
+
+	if (tb[IFLA_BRPORT_BACKUP_NHID])
+		print_uint(PRINT_ANY, "backup_nhid", "backup_nhid %u ",
+			   rta_getattr_u32(tb[IFLA_BRPORT_BACKUP_NHID]));
+}
+
+static void bridge_slave_parse_on_off(char *arg_name, char *arg_val,
+				      struct nlmsghdr *n, int type)
+{
+	int ret;
+	__u8 val = parse_on_off(arg_name, arg_val, &ret);
+
+	if (ret)
+		exit(1);
+	addattr8(n, 1024, type, val);
+}
+
+static int bridge_slave_parse_opt(struct link_util *lu, int argc, char **argv,
+				  struct nlmsghdr *n)
+{
+	__u8 state;
+	__u16 priority;
+	__u32 cost;
+
+	while (argc > 0) {
+		if (matches(*argv, "fdb_flush") == 0) {
+			addattr(n, 1024, IFLA_BRPORT_FLUSH);
+		} else if (matches(*argv, "state") == 0) {
+			NEXT_ARG();
+			if (get_u8(&state, *argv, 0))
+				invarg("state is invalid", *argv);
+			addattr8(n, 1024, IFLA_BRPORT_STATE, state);
+		} else if (matches(*argv, "priority") == 0) {
+			NEXT_ARG();
+			if (get_u16(&priority, *argv, 0))
+				invarg("priority is invalid", *argv);
+			addattr16(n, 1024, IFLA_BRPORT_PRIORITY, priority);
+		} else if (matches(*argv, "cost") == 0) {
+			NEXT_ARG();
+			if (get_u32(&cost, *argv, 0))
+				invarg("cost is invalid", *argv);
+			addattr32(n, 1024, IFLA_BRPORT_COST, cost);
+		} else if (matches(*argv, "hairpin") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("hairpin", *argv, n,
+						  IFLA_BRPORT_MODE);
+		} else if (matches(*argv, "guard") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("guard", *argv, n,
+						  IFLA_BRPORT_GUARD);
+		} else if (matches(*argv, "root_block") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("root_block", *argv, n,
+						  IFLA_BRPORT_PROTECT);
+		} else if (matches(*argv, "fastleave") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("fastleave", *argv, n,
+						  IFLA_BRPORT_FAST_LEAVE);
+		} else if (matches(*argv, "learning") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("learning", *argv, n,
+						  IFLA_BRPORT_LEARNING);
+		} else if (matches(*argv, "flood") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("flood", *argv, n,
+						  IFLA_BRPORT_UNICAST_FLOOD);
+		} else if (matches(*argv, "mcast_flood") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("mcast_flood", *argv, n,
+						  IFLA_BRPORT_MCAST_FLOOD);
+		} else if (matches(*argv, "bcast_flood") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("bcast_flood", *argv, n,
+						  IFLA_BRPORT_BCAST_FLOOD);
+		} else if (matches(*argv, "mcast_to_unicast") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("mcast_to_unicast", *argv, n,
+						  IFLA_BRPORT_MCAST_TO_UCAST);
+		} else if (matches(*argv, "proxy_arp") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("proxy_arp", *argv, n,
+						  IFLA_BRPORT_PROXYARP);
+		} else if (matches(*argv, "proxy_arp_wifi") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("proxy_arp_wifi", *argv, n,
+						  IFLA_BRPORT_PROXYARP_WIFI);
+		} else if (matches(*argv, "mcast_router") == 0) {
+			__u8 mcast_router;
+
+			NEXT_ARG();
+			if (get_u8(&mcast_router, *argv, 0))
+				invarg("invalid mcast_router", *argv);
+			addattr8(n, 1024, IFLA_BRPORT_MULTICAST_ROUTER,
+				 mcast_router);
+		} else if (matches(*argv, "mcast_fast_leave") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("mcast_fast_leave", *argv, n,
+						  IFLA_BRPORT_FAST_LEAVE);
+		} else if (matches(*argv, "neigh_suppress") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("neigh_suppress", *argv, n,
+						  IFLA_BRPORT_NEIGH_SUPPRESS);
+		} else if (strcmp(*argv, "neigh_vlan_suppress") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("neigh_vlan_suppress", *argv,
+						  n, IFLA_BRPORT_NEIGH_VLAN_SUPPRESS);
+		} else if (matches(*argv, "group_fwd_mask") == 0) {
+			__u16 mask;
+
+			NEXT_ARG();
+			if (get_u16(&mask, *argv, 0))
+				invarg("invalid group_fwd_mask", *argv);
+			addattr16(n, 1024, IFLA_BRPORT_GROUP_FWD_MASK, mask);
+		} else if (matches(*argv, "vlan_tunnel") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("vlan_tunnel", *argv, n,
+						  IFLA_BRPORT_VLAN_TUNNEL);
+		} else if (matches(*argv, "isolated") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("isolated", *argv, n,
+						  IFLA_BRPORT_ISOLATED);
+		} else if (matches(*argv, "locked") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("locked", *argv, n,
+						  IFLA_BRPORT_LOCKED);
+		} else if (strcmp(*argv, "mab") == 0) {
+			NEXT_ARG();
+			bridge_slave_parse_on_off("mab", *argv, n,
+						  IFLA_BRPORT_MAB);
+		} else if (matches(*argv, "backup_port") == 0) {
+			int ifindex;
+
+			NEXT_ARG();
+			ifindex = ll_name_to_index(*argv);
+			if (!ifindex)
+				invarg("Device does not exist\n", *argv);
+			addattr32(n, 1024, IFLA_BRPORT_BACKUP_PORT, ifindex);
+		} else if (matches(*argv, "nobackup_port") == 0) {
+			addattr32(n, 1024, IFLA_BRPORT_BACKUP_PORT, 0);
+		} else if (strcmp(*argv, "backup_nhid") == 0) {
+			__u32 backup_nhid;
+
+			NEXT_ARG();
+			if (get_u32(&backup_nhid, *argv, 0))
+				invarg("backup_nhid is invalid", *argv);
+			addattr32(n, 1024, IFLA_BRPORT_BACKUP_NHID,
+				  backup_nhid);
+		} else if (matches(*argv, "help") == 0) {
+			explain();
+			return -1;
+		} else {
+			fprintf(stderr, "bridge_slave: unknown option \"%s\"?\n",
+				*argv);
+			explain();
+			return -1;
+		}
+		argc--, argv++;
+	}
+
+	return 0;
+}
+
+static void bridge_slave_print_help(struct link_util *lu, int argc, char **argv,
+		FILE *f)
+{
+	print_explain(f);
+}
+
+struct link_util bridge_slave_link_util = {
+	.id		= "bridge_slave",
+	.maxattr	= IFLA_BRPORT_MAX,
+	.print_opt	= bridge_slave_print_opt,
+	.parse_opt	= bridge_slave_parse_opt,
+	.print_help     = bridge_slave_print_help,
+	.parse_ifla_xstats = bridge_parse_xstats,
+	.print_ifla_xstats = bridge_print_xstats,
+};