From 1855b8e48d95289cc9f0a6e339f2148d64ac705c Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Wed, 11 Jul 2018 10:31:26 -0700 Subject: IP directed broadcast with ip direct broadcast enable a packet to the interface's subnet broadcast address with be sent L2 broadcast on the interface. dissabled, it will be dropped. it is disabled by default, which preserves current behaviour Change-Id: If154cb92e64834e97a541b32624354348a0eafb3 Signed-off-by: Neale Ranns --- src/vnet/interface_cli.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) (limited to 'src/vnet/interface_cli.c') diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c index 264c1f34e18..91725b6a688 100644 --- a/src/vnet/interface_cli.c +++ b/src/vnet/interface_cli.c @@ -1273,6 +1273,46 @@ VLIB_CLI_COMMAND (clear_tag_command, static) = { }; /* *INDENT-ON* */ +static clib_error_t * +set_ip_directed_broadcast (vlib_main_t * vm, + unformat_input_t * input, vlib_cli_command_t * cmd) +{ + vnet_main_t *vnm = vnet_get_main (); + u32 sw_if_index = ~0; + u8 enable = 0; + + if (!unformat (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index)); + else if (unformat (input, "enable")) + enable = 1; + else if (unformat (input, "disable")) + enable = 0; + else + return clib_error_return (0, "unknown input: `%U'", + format_unformat_error, input); + + if (~0 == sw_if_index) + return clib_error_return (0, "specify an interface: `%U'", + format_unformat_error, input); + + vnet_sw_interface_ip_directed_broadcast (vnm, sw_if_index, enable); + + return 0; +} + +/*? + * This command is used to enable/disable IP directed broadcast + * If directed broadcast is enabled a packet sent to the interface's + * subnet broadcast address will be sent L2 broadcast on the interface, + * otherwise it is dropped. + ?*/ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (set_ip_directed_broadcast_command, static) = { + .path = "set interface ip directed-broadcast", + .short_help = "set interface enable ", + .function = set_ip_directed_broadcast, +}; +/* *INDENT-ON* */ + static clib_error_t * set_hw_interface_rx_mode (vnet_main_t * vnm, u32 hw_if_index, u32 queue_id, vnet_hw_interface_rx_mode mode) -- cgit 1.2.3-korg