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authorOle Troan <ot@cisco.com>2018-03-27 14:48:39 +0200
committerNeale Ranns <nranns@cisco.com>2018-04-13 13:27:44 +0000
commit70083ee74c3141bbefb185525315f1b34497dcaa (patch)
tree2b93f23b853239152864ad5ee0db073d37c341ea /src/vnet/interface_cli.c
parent25b049484fcf9161edb2c19250066b893c38c264 (diff)
MTU: Setting of MTU on software interface (instead of hardware interface)
Change-Id: I98bd454a761a1032738a21edeb0fe847e801f901 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/vnet/interface_cli.c')
-rw-r--r--src/vnet/interface_cli.c43
1 files changed, 20 insertions, 23 deletions
diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c
index d151335aa1f..fe17c823b36 100644
--- a/src/vnet/interface_cli.c
+++ b/src/vnet/interface_cli.c
@@ -1103,32 +1103,29 @@ static clib_error_t *
mtu_cmd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
{
vnet_main_t *vnm = vnet_get_main ();
- u32 hw_if_index, mtu;
- ethernet_main_t *em = &ethernet_main;
+ u32 sw_if_index, mtu;
- if (unformat (input, "%d %U", &mtu,
- unformat_vnet_hw_interface, vnm, &hw_if_index))
+ if (unformat (input, "%d %U", &mtu, unformat_vnet_sw_interface, vnm,
+ &sw_if_index))
{
- vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
- ethernet_interface_t *eif = ethernet_get_interface (em, hw_if_index);
-
- if (!eif)
- return clib_error_return (0, "not supported");
-
- if (mtu < hi->min_supported_packet_bytes)
- return clib_error_return (0, "Invalid mtu (%d): "
- "must be >= min pkt bytes (%d)", mtu,
- hi->min_supported_packet_bytes);
-
- if (mtu > hi->max_supported_packet_bytes)
- return clib_error_return (0, "Invalid mtu (%d): must be <= (%d)", mtu,
- hi->max_supported_packet_bytes);
-
- vnet_hw_interface_set_mtu (vnm, hw_if_index, mtu);
+ ;
}
else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
+ {
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ int rv = vnet_sw_interface_set_mtu (vnm, sw_if_index, mtu);
+ if (rv < 0)
+ {
+ vnet_hw_interface_t *hi = vnet_get_sw_hw_interface (vnm, sw_if_index);
+ ASSERT (hi);
+ return clib_error_return (0, "Invalid mtu (%d): "
+ "must be between min pkt bytes (%d) and max pkt bytes (%d)",
+ mtu, hi->min_packet_bytes,
+ hi->max_packet_bytes);
+ }
return 0;
}
@@ -1406,7 +1403,7 @@ set_interface_rx_mode (vlib_main_t * vm, unformat_input_t * input,
* @cliexend
?*/
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (cmd_set_if_rx_mode,static) = {
+VLIB_CLI_COMMAND (cmd_set_if_rx_mode, static) = {
.path = "set interface rx-mode",
.short_help = "set interface rx-mode <interface> [queue <n>] [polling | interrupt | adaptive]",
.function = set_interface_rx_mode,