From 88a9c0e02ab919cadd4e035133995a6afb4d1c32 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Thu, 6 Jan 2022 21:14:08 +0100 Subject: 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 --- src/plugins/rdma/device.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) (limited to 'src/plugins/rdma') diff --git a/src/plugins/rdma/device.c b/src/plugins/rdma/device.c index cad5fdb541f..167a23213cc 100644 --- a/src/plugins/rdma/device.c +++ b/src/plugins/rdma/device.c @@ -183,11 +183,10 @@ rdma_mac_change (vnet_hw_interface_t * hw, const u8 * old, const u8 * new) return 0; } -static u32 -rdma_dev_change_mtu (rdma_device_t * rd) +static clib_error_t * +rdma_set_mtu (vnet_main_t *vnm, vnet_hw_interface_t *hw, u32 mtu) { - rdma_log__ (VLIB_LOG_LEVEL_ERR, rd, "MTU change not supported"); - return ~0; + return vnet_error (VNET_ERR_UNSUPPORTED, 0); } static u32 @@ -202,8 +201,6 @@ rdma_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hw, u32 flags) return rdma_dev_set_ucast (rd); case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL: return rdma_dev_set_promisc (rd); - case ETHERNET_INTERFACE_FLAG_MTU: - return rdma_dev_change_mtu (rd); } rdma_log__ (VLIB_LOG_LEVEL_ERR, rd, "unknown flag %x requested", flags); @@ -361,6 +358,7 @@ rdma_register_interface (vnet_main_t * vnm, rdma_device_t * rd) eir.dev_instance = rd->dev_instance; eir.address = rd->hwaddr.bytes; eir.cb.flag_change = rdma_flag_change; + eir.cb.set_mtu = rdma_set_mtu; rd->hw_if_index = vnet_eth_register_interface (vnm, &eir); /* Indicate ability to support L3 DMAC filtering and * initialize interface to L3 non-promisc mode */ -- cgit 1.2.3-korg