blob: 603997128041ad05cb6c054d8cc42b820ead34b4 [file] [log] [blame]
// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
// flags values for response messages
#define ETH_FIFO_RX_OK (1u) // packet received okay
#define ETH_FIFO_TX_OK (1u) // packet transmitted okay
#define ETH_FIFO_INVALID (2u) // packet not within io_vmo bounds
#define ETH_FIFO_RX_TX (4u) // received our own tx packet (when TX_LISTEN)
typedef struct eth_fifo_entry {
// offset from start of io vmo to packet data
uint32_t offset;
// length of packet data to tx or rx
uint16_t length;
uint16_t flags;
// cookie
uint64_t cookie;
} eth_fifo_entry_t;