diff options
| author | mindchasers <privateisland@mindchasers.com> | 2020-11-16 18:12:45 -0500 |
|---|---|---|
| committer | mindchasers <privateisland@mindchasers.com> | 2020-11-16 18:12:45 -0500 |
| commit | 911ca639433604e7e3616817fc35dbab5e0b70ec (patch) | |
| tree | 5520103f5303d014ef5ea8c5c387fca47d4b772c | |
| parent | 6e969b02b4f6266bb9af926bfba6698468c74c28 (diff) | |
eth_params: add TX_MODE_CUSTOM to support custom MAC layers
| -rw-r--r-- | source/ethernet_params.v | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/source/ethernet_params.v b/source/ethernet_params.v index e974a05..3238592 100644 --- a/source/ethernet_params.v +++ b/source/ethernet_params.v @@ -1,7 +1,7 @@ /* * ethernet_params.v * - * Copyright (C) 2018, 2019 Mind Chasers Inc. + * Copyright (C) 2018, 2019, 2020 Mind Chasers Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -24,13 +24,14 @@ localparam MTU = 1520; // Ethernet is actually 1500+framing (max 18) localparam IPG = 96; // Inter-packet Gap Bits localparam SZ_ETH_HEADER = 14; // w/o VLAN -localparam SZ_IPV4_HEADER = 20; // w/o Options +localparam SZ_IPV4_HEADER = 20; // w/o Options localparam SZ_UDP_HEADER = 8; -localparam TX_MODE_AN = 2'b00, -TX_MODE_IDLE = 2'b01, -TX_MODE_XMT_PKT = 2'b10, // anything >= to this is a mode where a packet is transmitted -TX_MODE_XMT_METRICS = 2'b11; +localparam TX_MODE_AN = 3'b000, +TX_MODE_IDLE = 3'b001, +TX_MODE_XMT_PKT = 3'b010, // anything >= to this is a mode where a packet is transmitted +TX_MODE_XMT_METRICS = 3'b011; +TX_MODE_XMT_CUSTOM = 3'b100; // Note: The Length/Type field is transmitted and received with the high order octet first. localparam ETHER_TYPE_IPV4 = 16'h0800, |