diff options
| author |   Damjan Marion <damarion@cisco.com> | 2022-01-06 21:14:08 +0100 |
|---|---|---|
| committer | Damjan Marion <damarion@cisco.com> | 2022-01-17 12:41:24 +0100 |
| commit | 88a9c0e02ab919cadd4e035133995a6afb4d1c32 (patch) | |
| tree | 15741e8bbe6c9d7077fa2a62b6ac369a17836cfb /src/plugins/af_xdp/device.c | |
| parent | 81bb6fc611d321a92ad2218e1b852db67980768a (diff) | |
interface: improve MTU handling
- per hw-interface-class handlers
- ethernet set_mtu callback
- driver can now refuse MTU change
Type: improvement
Change-Id: I3d37c9129930ebec7bb70caf4263025413873048
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/af_xdp/device.c')
| -rw-r--r-- | src/plugins/af_xdp/device.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/plugins/af_xdp/device.c b/src/plugins/af_xdp/device.c index 4aa36d95dd5..a5e0b739300 100644 --- a/src/plugins/af_xdp/device.c +++ b/src/plugins/af_xdp/device.c @@ -67,6 +67,15 @@ af_xdp_mac_change (vnet_hw_interface_t * hw, const u8 * old, const u8 * new) return 0; } +static clib_error_t * +af_xdp_set_mtu (vnet_main_t *vnm, vnet_hw_interface_t *hw, u32 mtu) +{ + af_xdp_main_t *am = &af_xdp_main; + af_xdp_device_t *ad = vec_elt_at_index (am->devices, hw->dev_instance); + af_xdp_log (VLIB_LOG_LEVEL_ERR, ad, "set mtu not supported yet"); + return vnet_error (VNET_ERR_UNSUPPORTED, 0); +} + static u32 af_xdp_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hw, u32 flags) { @@ -82,9 +91,6 @@ af_xdp_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hw, u32 flags) af_xdp_log (VLIB_LOG_LEVEL_ERR, ad, "set promiscuous not supported yet"); return ~0; - case ETHERNET_INTERFACE_FLAG_MTU: - af_xdp_log (VLIB_LOG_LEVEL_ERR, ad, "set mtu not supported yet"); - return ~0; } af_xdp_log (VLIB_LOG_LEVEL_ERR, ad, "unknown flag %x requested", flags); @@ -651,6 +657,7 @@ af_xdp_create_if (vlib_main_t * vm, af_xdp_create_if_args_t * args) eir.dev_instance = ad->dev_instance; eir.address = ad->hwaddr; eir.cb.flag_change = af_xdp_flag_change; + eir.cb.set_mtu = af_xdp_set_mtu; ad->hw_if_index = vnet_eth_register_interface (vnm, &eir); sw = vnet_get_hw_sw_interface (vnm, ad->hw_if_index); |