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Message-Id: <20170803155515.99226-12-julien@cumulusnetworks.com>
Date: Thu, 3 Aug 2017 17:54:59 +0200
From: Julien Fortin <julien@...ulusnetworks.com>
To: netdev@...r.kernel.org
Cc: roopa@...ulusnetworks.com, nikolay@...ulusnetworks.com,
dsa@...ulusnetworks.com, Julien Fortin <julien@...ulusnetworks.com>
Subject: [PATCH 11/27] ip: iplink_bridge_slave.c: add json output support
From: Julien Fortin <julien@...ulusnetworks.com>
Schema:
bridge_slave: IFLA_INFO_SLAVE_DATA
{
"state": {
"type": "string",
"attr": "IFLA_BRPORT_STATE",
"mutually_exclusive": {
"state_index": {
"type": "uint",
"comment": "if (state > BR_STATE_BLOCKING)"
}
}
},
"priority": {
"type": "int",
"attr": "IFLA_BRPORT_PRIORITY"
},
"cost": {
"type": "int",
"attr": "IFLA_BRPORT_COST"
},
"mode": {
"type": "bool",
"attr": "IFLA_BRPORT_MODE"
},
"guard": {
"type": "bool",
"attr": "IFLA_BRPORT_GUARD"
},
"protect": {
"type": "bool",
"attr": "IFLA_BRPORT_PROTECT"
},
"fast_leave": {
"type": "bool",
"attr": "IFLA_BRPORT_FAST_LEAVE"
},
"learning": {
"type": "bool",
"attr": "IFLA_BRPORT_LEARNING"
},
"unicast_flood": {
"type": "bool",
"attr": "IFLA_BRPORT_UNICAST_FLOOD"
},
"id": {
"type": "string",
"attr": "IFLA_BRPORT_ID"
},
"no": {
"type": "string",
"attr": "IFLA_BRPORT_NO"
},
"designated_port": {
"type": "uint",
"attr": "IFLA_BRPORT_DESIGNATED_PORT"
},
"designated_cost": {
"type": "uint",
"attr": "IFLA_BRPORT_DESIGNATED_COST"
},
"bridge_id": {
"type": "string",
"attr": "IFLA_BRPORT_BRIDGE_ID"
},
"root_id": {
"type": "string",
"attr": "IFLA_BRPORT_ROOT_ID"
},
"hold_timer": {
"type": "float",
"attr": "IFLA_BRPORT_HOLD_TIMER"
},
"message_age_timer": {
"type": "float",
"attr": "IFLA_BRPORT_MESSAGE_AGE_TIMER"
},
"forward_delay_timer": {
"type": "float",
"attr": "IFLA_BRPORT_FORWARD_DELAY_TIMER"
},
"topology_change_ack": {
"type": "uint",
"attr": "IFLA_BRPORT_TOPOLOGY_CHANGE_ACK"
},
"config_pending": {
"type": "uint",
"attr": "IFLA_BRPORT_CONFIG_PENDING"
},
"proxyarp": {
"type": "bool",
"attr": "IFLA_BRPORT_PROXYARP"
},
"proxyarp_wifi": {
"type": "bool",
"attr": "IFLA_BRPORT_PROXYARP_WIFI"
},
"multicast_router": {
"type": "uint",
"attr": "IFLA_BRPORT_MULTICAST_ROUTER"
},
"mcast_flood": {
"type": "bool",
"attr": "IFLA_BRPORT_MCAST_FLOOD"
}
}
$ ip link add dev br42 type bridge
$ ip link add dev bond42 type bond
$ ip link set dev bond42 master br42
$ ip link set dev bond42 up
$ ip link set dev br42 up
$ ip -details link show
$ ip -details link show
15: br42: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP mode DEFAULT group default
link/ether 22:8f:91:bb:9f:09 brd ff:ff:ff:ff:ff:ff promiscuity 0
bridge forward_delay 1500 hello_time 200 max_age 2000 ageing_time
30000 stp_state 0 priority 32768 vlan_filtering 0 vlan_protocol 802.1Q
bridge_id 8000.22:8f:91:bb:9f:9 designated_root 8000.22:8f:91:bb:9f:9
root_port 0 root_path_cost 0 topology_change 0 topology_change_detected 0
hello_timer 0.00 tcn_timer 0.00 topology_change_timer 0.00
gc_timer 199.11 vlan_default_pvid 1 vlan_stats_enabled 0 group_fwd_mask 0
group_address 01:80:c2:00:00:00 mcast_snooping 1 mcast_router 1
mcast_query_use_ifaddr 0 mcast_querier 0 mcast_hash_elasticity 4096
mcast_hash_max 4096 mcast_last_member_count 2 mcast_startup_query_count 2
mcast_last_member_interval 100 mcast_membership_interval 26000
mcast_querier_interval 25500 mcast_query_interval 12500
mcast_query_response_interval 1000 mcast_startup_query_interval 3125
mcast_stats_enabled 0 mcast_igmp_version 2 mcast_mld_version 1
nf_call_iptables 0 nf_call_ip6tables 0 nf_call_arptables 0 addrgenmode
eui64
16: bond42: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc
noqueue master br42 state UNKNOWN mode DEFAULT group default
link/ether 22:8f:91:bb:9f:09 brd ff:ff:ff:ff:ff:ff promiscuity 1
bond mode 802.3ad miimon 100 updelay 0 downdelay 0 use_carrier 1
arp_interval 0 arp_validate none arp_all_targets any primary_reselect
always fail_over_mac none xmit_hash_policy layer3+4 resend_igmp 1
num_grat_arp 1 all_slaves_active 0 min_links 1 lp_interval 1
packets_per_slave 1 lacp_rate fast ad_select stable ad_actor_sys_prio
65535 ad_user_port_key 0 ad_actor_system 00:00:00:00:00:00
bridge_slave state forwarding priority 8 cost 100 hairpin off guard
off root_block off fastleave off learning on flood on port_id 0x8001
port_no 0x1 designated_port 32769 designated_cost 0 designated_bridge
8000.22:8f:91:bb:9f:9 designated_root 8000.22:8f:91:bb:9f:9 hold_timer
0.00 message_age_timer 0.00 forward_delay_timer 0.00
topology_change_ack 0 config_pending 0 proxy_arp off proxy_arp_wifi off
mcast_router 1 mcast_fast_leave off mcast_flood on neigh_suppress off
addrgenmode eui64
$ ip -details -json link show
[{
"ifindex": 15,
"ifname": "br42",
"flags": ["BROADCAST","MULTICAST","UP","LOWER_UP"],
"mtu": 1500,
"qdisc": "noqueue",
"operstate": "UP",
"linkmode": "DEFAULT",
"group": "default",
"link_type": "ether",
"address": "22:8f:91:bb:9f:09",
"broadcast": "ff:ff:ff:ff:ff:ff",
"promiscuity": 0,
"linkinfo": {
"info_kind": "bridge",
"info_data": {
"forward_delay": 1500,
"hello_time": 200,
"max_age": 2000,
"ageing_time": 30000,
"stp_state": 0,
"priority": 32768,
"vlan_filtering": 0,
"vlan_protocol": "802.1Q",
"bridge_id": "8000.22:8f:91:bb:9f:9",
"root_id": "8000.22:8f:91:bb:9f:9",
"root_port": 0,
"root_path_cost": 0,
"topology_change": 0,
"topology_change_detected": 0,
"hello_timer": 0.00,
"tcn_timer": 0.00,
"topology_change_timer": 0.00,
"gc_timer": 298.27,
"vlan_default_pvid": 1,
"vlan_stats_enabled": 0,
"group_fwd_mask": "0",
"group_addr": "01:80:c2:00:00:00",
"mcast_snooping": 1,
"mcast_router": 1,
"mcast_query_use_ifaddr": 0,
"mcast_querier": 0,
"mcast_hash_elasticity": 4096,
"mcast_hash_max": 4096,
"mcast_last_member_cnt": 2,
"mcast_startup_query_cnt": 2,
"mcast_last_member_intvl": 100,
"mcast_membership_intvl": 26000,
"mcast_querier_intvl": 25500,
"mcast_query_intvl": 12500,
"mcast_query_response_intvl": 1000,
"mcast_startup_query_intvl": 3125,
"mcast_stats_enabled": 0,
"mcast_igmp_version": 2,
"mcast_mld_version": 1,
"nf_call_iptables": 0,
"nf_call_ip6tables": 0,
"nf_call_arptables": 0
}
},
"inet6_addr_gen_mode": "eui64",
"num_tx_queues": 1,
"num_rx_queues": 1,
"gso_max_size": 65536,
"gso_max_segs": 65535
},{
"ifindex": 16,
"ifname": "bond42",
"flags": ["BROADCAST","MULTICAST","MASTER","UP","LOWER_UP"],
"mtu": 1500,
"qdisc": "noqueue",
"master": "br42",
"operstate": "UNKNOWN",
"linkmode": "DEFAULT",
"group": "default",
"link_type": "ether",
"address": "22:8f:91:bb:9f:09",
"broadcast": "ff:ff:ff:ff:ff:ff",
"promiscuity": 1,
"linkinfo": {
"info_kind": "bond",
"info_data": {
"mode": "802.3ad",
"miimon": 100,
"updelay": 0,
"downdelay": 0,
"use_carrier": 1,
"arp_interval": 0,
"arp_validate": null,
"arp_all_targets": "any",
"primary_reselect": "always",
"fail_over_mac": "none",
"xmit_hash_policy": "layer3+4",
"resend_igmp": 1,
"num_peer_notif": 1,
"all_slaves_active": 0,
"min_links": 1,
"lp_interval": 1,
"packets_per_slave": 1,
"ad_lacp_rate": "fast",
"ad_select": "stable",
"ad_actor_sys_prio": 65535,
"ad_user_port_key": 0,
"ad_actor_system": "00:00:00:00:00:00"
},
"info_slave_kind": "bridge",
"info_slave_data": {
"state": "forwarding",
"priority": 8,
"cost": 100,
"hairpin": false,
"guard": false,
"root_block": false,
"fastleave": false,
"learning": true,
"flood": true,
"id": "0x8001",
"no": "0x1",
"designated_port": 32769,
"designated_cost": 0,
"bridge_id": "8000.22:8f:91:bb:9f:9",
"root_id": "8000.22:8f:91:bb:9f:9",
"hold_timer": 0.00,
"message_age_timer": 0.00,
"forward_delay_timer": 11.97,
"topology_change_ack": 0,
"config_pending": 0,
"proxy_arp": false,
"proxy_arp_wifi": false,
"multicast_router": 1,
"mcast_flood": true
}
},
"inet6_addr_gen_mode": "eui64",
"num_tx_queues": 16,
"num_rx_queues": 16,
"gso_max_size": 65536,
"gso_max_segs": 65535
}
]
Signed-off-by: Julien Fortin <julien@...ulusnetworks.com>
---
ip/iplink_bridge_slave.c | 185 +++++++++++++++++++++++++++++------------------
1 file changed, 114 insertions(+), 71 deletions(-)
diff --git a/ip/iplink_bridge_slave.c b/ip/iplink_bridge_slave.c
index 3e883328..80272b09 100644
--- a/ip/iplink_bridge_slave.c
+++ b/ip/iplink_bridge_slave.c
@@ -56,14 +56,52 @@ static const char *port_states[] = {
static void print_portstate(FILE *f, __u8 state)
{
if (state <= BR_STATE_BLOCKING)
- fprintf(f, "state %s ", port_states[state]);
+ print_string(PRINT_ANY,
+ "state",
+ "state %s ",
+ port_states[state]);
else
- fprintf(f, "state (%d) ", state);
+ print_int(PRINT_ANY, "state_index", "state (%d) ", state);
}
-static void print_onoff(FILE *f, char *flag, __u8 val)
+static void _print_onoff(FILE *f, char *json_flag, char *flag, __u8 val)
{
- fprintf(f, "%s %s ", flag, val ? "on" : "off");
+ if (is_json_context())
+ print_bool(PRINT_JSON, flag, NULL, val);
+ else
+ fprintf(f, "%s %s ", flag, val ? "on" : "off");
+}
+
+static void _print_hex(FILE *f,
+ const char *json_attr,
+ const char *attr,
+ __u16 val)
+{
+ if (is_json_context()) {
+ SPRINT_BUF(b1);
+
+ snprintf(b1, sizeof(b1), "0x%x", val);
+ print_string(PRINT_JSON, json_attr, NULL, b1);
+ } else {
+ fprintf(f, "%s 0x%x ", attr, val);
+ }
+}
+
+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 bridge_slave_print_opt(struct link_util *lu, FILE *f,
@@ -76,59 +114,70 @@ static void bridge_slave_print_opt(struct link_util *lu, FILE *f,
print_portstate(f, rta_getattr_u8(tb[IFLA_BRPORT_STATE]));
if (tb[IFLA_BRPORT_PRIORITY])
- fprintf(f, "priority %d ",
- rta_getattr_u16(tb[IFLA_BRPORT_PRIORITY]));
+ print_int(PRINT_ANY,
+ "priority",
+ "priority %d ",
+ rta_getattr_u16(tb[IFLA_BRPORT_PRIORITY]));
if (tb[IFLA_BRPORT_COST])
- fprintf(f, "cost %d ",
- rta_getattr_u32(tb[IFLA_BRPORT_COST]));
+ print_int(PRINT_ANY,
+ "cost",
+ "cost %d ",
+ rta_getattr_u32(tb[IFLA_BRPORT_COST]));
if (tb[IFLA_BRPORT_MODE])
- print_onoff(f, "hairpin",
- rta_getattr_u8(tb[IFLA_BRPORT_MODE]));
+ _print_onoff(f, "mode", "hairpin",
+ rta_getattr_u8(tb[IFLA_BRPORT_MODE]));
if (tb[IFLA_BRPORT_GUARD])
- print_onoff(f, "guard",
- rta_getattr_u8(tb[IFLA_BRPORT_GUARD]));
+ _print_onoff(f, "guard", "guard",
+ rta_getattr_u8(tb[IFLA_BRPORT_GUARD]));
if (tb[IFLA_BRPORT_PROTECT])
- print_onoff(f, "root_block",
- rta_getattr_u8(tb[IFLA_BRPORT_PROTECT]));
+ _print_onoff(f, "protect", "root_block",
+ rta_getattr_u8(tb[IFLA_BRPORT_PROTECT]));
if (tb[IFLA_BRPORT_FAST_LEAVE])
- print_onoff(f, "fastleave",
- rta_getattr_u8(tb[IFLA_BRPORT_FAST_LEAVE]));
+ _print_onoff(f, "fast_leave", "fastleave",
+ rta_getattr_u8(tb[IFLA_BRPORT_FAST_LEAVE]));
if (tb[IFLA_BRPORT_LEARNING])
- print_onoff(f, "learning",
- rta_getattr_u8(tb[IFLA_BRPORT_LEARNING]));
+ _print_onoff(f, "learning", "learning",
+ rta_getattr_u8(tb[IFLA_BRPORT_LEARNING]));
if (tb[IFLA_BRPORT_UNICAST_FLOOD])
- print_onoff(f, "flood",
- rta_getattr_u8(tb[IFLA_BRPORT_UNICAST_FLOOD]));
+ _print_onoff(f, "unicast_flood", "flood",
+ rta_getattr_u8(tb[IFLA_BRPORT_UNICAST_FLOOD]));
if (tb[IFLA_BRPORT_ID])
- fprintf(f, "port_id 0x%x ",
- rta_getattr_u16(tb[IFLA_BRPORT_ID]));
+ _print_hex(f, "id", "port_id",
+ rta_getattr_u16(tb[IFLA_BRPORT_ID]));
if (tb[IFLA_BRPORT_NO])
- fprintf(f, "port_no 0x%x ",
- rta_getattr_u16(tb[IFLA_BRPORT_NO]));
+ _print_hex(f, "no", "port_no",
+ rta_getattr_u16(tb[IFLA_BRPORT_NO]));
if (tb[IFLA_BRPORT_DESIGNATED_PORT])
- fprintf(f, "designated_port %u ",
- rta_getattr_u16(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])
- fprintf(f, "designated_cost %u ",
- rta_getattr_u16(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));
- fprintf(f, "designated_bridge %s ", bridge_id);
+ print_string(PRINT_ANY,
+ "bridge_id",
+ "designated_bridge %s ",
+ bridge_id);
}
if (tb[IFLA_BRPORT_ROOT_ID]) {
@@ -136,65 +185,59 @@ static void bridge_slave_print_opt(struct link_util *lu, FILE *f,
br_dump_bridge_id(RTA_DATA(tb[IFLA_BRPORT_ROOT_ID]),
root_id, sizeof(root_id));
- fprintf(f, "designated_root %s ", root_id);
- }
-
- if (tb[IFLA_BRPORT_HOLD_TIMER]) {
- struct timeval tv;
- __u64 htimer;
-
- htimer = rta_getattr_u64(tb[IFLA_BRPORT_HOLD_TIMER]);
- __jiffies_to_tv(&tv, htimer);
- fprintf(f, "hold_timer %4i.%.2i ", (int)tv.tv_sec,
- (int)tv.tv_usec/10000);
+ print_string(PRINT_ANY,
+ "root_id",
+ "designated_root %s ", root_id);
}
- if (tb[IFLA_BRPORT_MESSAGE_AGE_TIMER]) {
- struct timeval tv;
- __u64 agetimer;
+ if (tb[IFLA_BRPORT_HOLD_TIMER])
+ _print_timer(f, "hold_timer", tb[IFLA_BRPORT_HOLD_TIMER]);
- agetimer = rta_getattr_u64(tb[IFLA_BRPORT_MESSAGE_AGE_TIMER]);
- __jiffies_to_tv(&tv, agetimer);
- fprintf(f, "message_age_timer %4i.%.2i ", (int)tv.tv_sec,
- (int)tv.tv_usec/10000);
- }
-
- if (tb[IFLA_BRPORT_FORWARD_DELAY_TIMER]) {
- struct timeval tv;
- __u64 fwdtimer;
+ if (tb[IFLA_BRPORT_MESSAGE_AGE_TIMER])
+ _print_timer(f, "message_age_timer",
+ tb[IFLA_BRPORT_MESSAGE_AGE_TIMER]);
- fwdtimer = rta_getattr_u64(tb[IFLA_BRPORT_FORWARD_DELAY_TIMER]);
- __jiffies_to_tv(&tv, fwdtimer);
- fprintf(f, "forward_delay_timer %4i.%.2i ", (int)tv.tv_sec,
- (int)tv.tv_usec/10000);
- }
+ 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])
- fprintf(f, "topology_change_ack %u ",
- rta_getattr_u8(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])
- fprintf(f, "config_pending %u ",
- rta_getattr_u8(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_onoff(f, "proxy_arp",
- rta_getattr_u8(tb[IFLA_BRPORT_PROXYARP]));
+ _print_onoff(f, "proxyarp", "proxy_arp",
+ rta_getattr_u8(tb[IFLA_BRPORT_PROXYARP]));
if (tb[IFLA_BRPORT_PROXYARP_WIFI])
- print_onoff(f, "proxy_arp_wifi",
- rta_getattr_u8(tb[IFLA_BRPORT_PROXYARP_WIFI]));
+ _print_onoff(f, "proxyarp_wifi", "proxy_arp_wifi",
+ rta_getattr_u8(tb[IFLA_BRPORT_PROXYARP_WIFI]));
if (tb[IFLA_BRPORT_MULTICAST_ROUTER])
- fprintf(f, "mcast_router %u ",
- rta_getattr_u8(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])
- print_onoff(f, "mcast_fast_leave",
- rta_getattr_u8(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_onoff(f, "mcast_flood",
- rta_getattr_u8(tb[IFLA_BRPORT_MCAST_FLOOD]));
+ _print_onoff(f, "mcast_flood", "mcast_flood",
+ rta_getattr_u8(tb[IFLA_BRPORT_MCAST_FLOOD]));
}
static void bridge_slave_parse_on_off(char *arg_name, char *arg_val,
--
2.13.3
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