diff options
| author | Susant Sahani <ssahani@users.noreply.github.com> | 2016-05-15 18:45:20 +0530 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2016-05-15 09:15:20 -0400 |
| commit | 6df6d89879b1fc390196b5638804e2c11fed9024 (patch) | |
| tree | 501aeda99f4801c9d9ac74a614d3fd163a992547 | |
| parent | 17fd746098bb451f4e9a1485374540eeafd11fda (diff) | |
| download | systemd-6df6d89879b1fc390196b5638804e2c11fed9024.tar.gz | |
networkd: bridge add support to configure multicast snooping (#3223)
This patch implements support for the IFLA_BR_MCAST_SNOOPING attribute
it can change the multicast snooping value.
IGMP snooping monitors the Internet Group Management Protocol (IGMP)
traffic between hosts and multicast routers.
| -rw-r--r-- | man/systemd.netdev.xml | 9 | ||||
| -rw-r--r-- | src/network/networkd-netdev-bridge.c | 7 | ||||
| -rw-r--r-- | src/network/networkd-netdev-bridge.h | 1 | ||||
| -rw-r--r-- | src/network/networkd-netdev-gperf.gperf | 1 |
4 files changed, 18 insertions, 0 deletions
diff --git a/man/systemd.netdev.xml b/man/systemd.netdev.xml index 48c283c8df..8d12c305d2 100644 --- a/man/systemd.netdev.xml +++ b/man/systemd.netdev.xml @@ -321,6 +321,15 @@ </para> </listitem> </varlistentry> + <varlistentry> + <term><varname>MulticastSnooping=</varname></term> + <listitem> + <para>A boolean. This setting controls the IFLA_BR_MCAST_SNOOPING option in the kernel. + If enabled, IGMP snooping monitors the Internet Group Management Protocol (IGMP) traffic + between hosts and multicast routers. When unset, the kernel's default setting applies. + </para> + </listitem> + </varlistentry> </variablelist> </refsect1> diff --git a/src/network/networkd-netdev-bridge.c b/src/network/networkd-netdev-bridge.c index 3e44dd7960..4cfd00413f 100644 --- a/src/network/networkd-netdev-bridge.c +++ b/src/network/networkd-netdev-bridge.c @@ -96,6 +96,12 @@ 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_MCAST_QUERIER attribute: %m"); } + if (b->mcast_snooping >= 0) { + r = sd_netlink_message_append_u8(req, IFLA_BR_MCAST_SNOOPING, b->mcast_snooping); + if (r < 0) + return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MCAST_SNOOPING 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"); @@ -121,6 +127,7 @@ static void bridge_init(NetDev *n) { assert(b); b->mcast_querier = -1; + b->mcast_snooping = -1; } const NetDevVTable bridge_vtable = { diff --git a/src/network/networkd-netdev-bridge.h b/src/network/networkd-netdev-bridge.h index b921439f02..f2ae21fc50 100644 --- a/src/network/networkd-netdev-bridge.h +++ b/src/network/networkd-netdev-bridge.h @@ -25,6 +25,7 @@ typedef struct Bridge { NetDev meta; int mcast_querier; + int mcast_snooping; usec_t forward_delay; usec_t hello_time; diff --git a/src/network/networkd-netdev-gperf.gperf b/src/network/networkd-netdev-gperf.gperf index 1ebd0fdf20..ba04bb0165 100644 --- a/src/network/networkd-netdev-gperf.gperf +++ b/src/network/networkd-netdev-gperf.gperf @@ -99,3 +99,4 @@ Bridge.HelloTimeSec, config_parse_sec, 0, 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) +Bridge.MulticastSnooping, config_parse_tristate, 0, offsetof(Bridge, mcast_snooping) |