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networkd: allow setting of multicast querier for linux bridge (#3051)

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This commit is contained in:
Susant Sahani 2016-04-18 17:15:52 +05:30 committed by Lennart Poettering
parent c9d73e83f5
commit 3fef7a3fcd
6 changed files with 102 additions and 7 deletions
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11
man/systemd.netdev.xml
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@ -310,6 +310,17 @@
of the Listening and Learning states before the Forwarding state is entered.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>MulticastQuerier=</varname></term>
<listitem>
<para>A boolean. This setting controls the IFLA_BR_MCAST_QUERIER option in the kernel.
If enabled, the kernel will send general ICMP queries from a zero source address.
This feature should allow faster convergence on startup, but it causes some
multicast-aware switches to misbehave and disrupt forwarding of multicast packets.
When unset, the kernel's default setting applies.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>

35
src/basic/missing.h
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@ -746,7 +746,40 @@ struct btrfs_ioctl_quota_ctl_args {
#define IFLA_BR_AGEING_TIME 4
#define IFLA_BR_STP_STATE 5
#define IFLA_BR_PRIORITY 6
#define __IFLA_BR_MAX 7
#define IFLA_BR_VLAN_FILTERING 7
#define IFLA_BR_VLAN_PROTOCOL 8
#define IFLA_BR_GROUP_FWD_MASK 9
#define IFLA_BR_ROOT_ID 10
#define IFLA_BR_BRIDGE_ID 11
#define IFLA_BR_ROOT_PORT 12
#define IFLA_BR_ROOT_PATH_COST 13
#define IFLA_BR_TOPOLOGY_CHANGE 14
#define IFLA_BR_TOPOLOGY_CHANGE_DETECTED 15
#define IFLA_BR_HELLO_TIMER 16
#define IFLA_BR_TCN_TIMER 17
#define IFLA_BR_TOPOLOGY_CHANGE_TIMER 18
#define IFLA_BR_GC_TIMER 19
#define IFLA_BR_GROUP_ADDR 20
#define IFLA_BR_FDB_FLUSH 21
#define IFLA_BR_MCAST_ROUTER 22
#define IFLA_BR_MCAST_SNOOPING 23
#define IFLA_BR_MCAST_QUERY_USE_IFADDR 24
#define IFLA_BR_MCAST_QUERIER 25
#define IFLA_BR_MCAST_HASH_ELASTICITY 26
#define IFLA_BR_MCAST_HASH_MAX 27
#define IFLA_BR_MCAST_LAST_MEMBER_CNT 28
#define IFLA_BR_MCAST_STARTUP_QUERY_CNT 29
#define IFLA_BR_MCAST_LAST_MEMBER_INTVL 30
#define IFLA_BR_MCAST_MEMBERSHIP_INTVL 31
#define IFLA_BR_MCAST_QUERIER_INTVL 32
#define IFLA_BR_MCAST_QUERY_INTVL 33
#define IFLA_BR_MCAST_QUERY_RESPONSE_INTVL 34
#define IFLA_BR_MCAST_STARTUP_QUERY_INTVL 35
#define IFLA_BR_NF_CALL_IPTABLES 36
#define IFLA_BR_NF_CALL_IP6TABLES 37
#define IFLA_BR_NF_CALL_ARPTABLES 38
#define IFLA_BR_VLAN_DEFAULT_PVID 39
#define __IFLA_BR_MAX 40
#define IFLA_BR_MAX (__IFLA_BR_MAX - 1)
#endif

43
src/libsystemd/sd-netlink/netlink-types.c
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@ -95,12 +95,43 @@ static const NLType rtnl_link_info_data_macvlan_types[] = {
};
static const NLType rtnl_link_info_data_bridge_types[] = {
[IFLA_BR_FORWARD_DELAY] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_HELLO_TIME] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_MAX_AGE] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_AGEING_TIME] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_STP_STATE] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_PRIORITY] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_FORWARD_DELAY] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_HELLO_TIME] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_MAX_AGE] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_AGEING_TIME] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_STP_STATE] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_PRIORITY] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_VLAN_FILTERING] = { .type = NETLINK_TYPE_U8 },
[IFLA_BR_VLAN_PROTOCOL] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_GROUP_FWD_MASK] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_ROOT_PORT] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_ROOT_PATH_COST] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_TOPOLOGY_CHANGE] = { .type = NETLINK_TYPE_U8 },
[IFLA_BR_TOPOLOGY_CHANGE_DETECTED] = { .type = NETLINK_TYPE_U8 },
[IFLA_BR_HELLO_TIMER] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_TCN_TIMER] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_TOPOLOGY_CHANGE_TIMER] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_GC_TIMER] = { .type = NETLINK_TYPE_U64 },
[IFLA_BR_GROUP_ADDR] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_FDB_FLUSH] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_MCAST_ROUTER] = { .type = NETLINK_TYPE_U8 },
[IFLA_BR_MCAST_SNOOPING] = { .type = NETLINK_TYPE_U8 },
[IFLA_BR_MCAST_QUERY_USE_IFADDR] = { .type = NETLINK_TYPE_U8 },
[IFLA_BR_MCAST_QUERIER] = { .type = NETLINK_TYPE_U8 },
[IFLA_BR_MCAST_HASH_ELASTICITY] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_MCAST_HASH_MAX] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_MCAST_LAST_MEMBER_CNT] = { .type = NETLINK_TYPE_U32 },
[IFLA_BR_MCAST_STARTUP_QUERY_CNT] = { .type = NETLINK_TYPE_U16 },
[IFLA_BR_MCAST_LAST_MEMBER_INTVL] = { .type = NETLINK_TYPE_U64 },
[IFLA_BR_MCAST_MEMBERSHIP_INTVL] = { .type = NETLINK_TYPE_U64 },
[IFLA_BR_MCAST_QUERIER_INTVL] = { .type = NETLINK_TYPE_U64 },
[IFLA_BR_MCAST_QUERY_INTVL] = { .type = NETLINK_TYPE_U64 },
[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL] = { .type = NETLINK_TYPE_U64 },
[IFLA_BR_MCAST_STARTUP_QUERY_INTVL] = { .type = NETLINK_TYPE_U64 },
[IFLA_BR_NF_CALL_IPTABLES] = { .type = NETLINK_TYPE_U8 },
[IFLA_BR_NF_CALL_IP6TABLES] = { .type = NETLINK_TYPE_U8 },
[IFLA_BR_NF_CALL_ARPTABLES] = { .type = NETLINK_TYPE_U8 },
[IFLA_BR_VLAN_DEFAULT_PVID] = { .type = NETLINK_TYPE_U16 },
};
static const NLType rtnl_link_info_data_vlan_types[] = {

17
src/network/networkd-netdev-bridge.c
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@ -89,6 +89,12 @@ static int netdev_bridge_post_create(NetDev *netdev, Link *link, sd_netlink_mess
return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MAX_AGE attribute: %m");
}
if (b->mcast_querier >= 0) {
r = sd_netlink_message_append_u8(req, IFLA_BR_MCAST_QUERIER, b->mcast_querier);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MCAST_QUERIER attribute: %m");
}
r = sd_netlink_message_close_container(req);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m");
@ -106,8 +112,19 @@ static int netdev_bridge_post_create(NetDev *netdev, Link *link, sd_netlink_mess
return r;
}
static void bridge_init(NetDev *n) {
Bridge *b;
b = BRIDGE(n);
assert(b);
b->mcast_querier = -1;
}
const NetDevVTable bridge_vtable = {
.object_size = sizeof(Bridge),
.init = bridge_init,
.sections = "Match\0NetDev\0Bridge\0",
.post_create = netdev_bridge_post_create,
.create_type = NETDEV_CREATE_MASTER,

2
src/network/networkd-netdev-bridge.h
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@ -26,6 +26,8 @@ typedef struct Bridge Bridge;
struct Bridge {
NetDev meta;
int mcast_querier;
usec_t forward_delay;
usec_t hello_time;
usec_t max_age;

1
src/network/networkd-netdev-gperf.gperf
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@ -92,3 +92,4 @@ Bond.LearnPacketIntervalSec, config_parse_sec, 0,
Bridge.HelloTimeSec, config_parse_sec, 0, offsetof(Bridge, hello_time)
Bridge.MaxAgeSec, config_parse_sec, 0, offsetof(Bridge, max_age)
Bridge.ForwardDelaySec, config_parse_sec, 0, offsetof(Bridge, forward_delay)
Bridge.MulticastQuerier, config_parse_tristate, 0, offsetof(Bridge, mcast_querier)