WIL_MAX_ETH_MTU
if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU)
WIL_MAX_ETH_MTU : TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD;
WIL_MAX_ETH_MTU : WIL_EDMA_RX_BUF_LEN_DEFAULT;
.max_msdu_size = cpu_to_le16(wil_mtu2macbuf(WIL_MAX_ETH_MTU)),