| // 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. |
| |
| #ifndef SYSROOT_ZIRCON_DEVICE_ETHERNET_H_ |
| #define SYSROOT_ZIRCON_DEVICE_ETHERNET_H_ |
| |
| #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; |
| |
| #endif // SYSROOT_ZIRCON_DEVICE_ETHERNET_H_ |
