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authorNeale Ranns <nranns@cisco.com>2018-07-11 10:31:26 -0700
committerDamjan Marion <dmarion@me.com>2018-07-20 13:21:03 +0000
commit1855b8e48d95289cc9f0a6e339f2148d64ac705c (patch)
tree71e888d9aabc16a388c07a5f3c3089ade0fdadab /src/vnet/interface_cli.c
parent631de0dffebf2633e32b55c5c9b4663867a50371 (diff)
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 <nranns@cisco.com>
Diffstat (limited to 'src/vnet/interface_cli.c')
-rw-r--r--src/vnet/interface_cli.c40
1 files changed, 40 insertions, 0 deletions
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
@@ -1274,6 +1274,46 @@ 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)
{