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IP directed broadcast

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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 <nranns@cisco.com>
This commit is contained in:
Neale Ranns
2018-07-11 10:31:26 -07:00
committed by Damjan Marion
parent 631de0dffe
commit 1855b8e48d
18 changed files with 366 additions and 34 deletions
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40
src/vnet/interface_cli.c
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@ -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 <interface> <enable|disable>",
.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)