/* $NetBSD: if_muevar.h,v 1.9 2019/08/15 08:02:32 mrg Exp $ */
/* $OpenBSD: if_muereg.h,v 1.1 2018/08/03 01:50:15 kevlo Exp $ */
/*
* Copyright (c) 2018 Kevin Lo <
[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _IF_MUEVAR_H_
#define _IF_MUEVAR_H_
#ifndef MUE_TX_LIST_CNT
#define MUE_TX_LIST_CNT 4
#endif
#ifndef MUE_RX_LIST_CNT
#define MUE_RX_LIST_CNT 4
#endif
struct mue_rxbuf_hdr {
uint32_t rx_cmd_a;
#define MUE_RX_CMD_A_LEN_MASK 0x00003fff
#define MUE_RX_CMD_A_ICSM 0x00004000
#define MUE_RX_CMD_A_ERRORS __BITS(16, 21) /* non-checksum errors */
#define MUE_RX_CMD_A_RED 0x00400000
#define MUE_RX_CMD_A_PID __BITS(28, 27)
#define MUE_RX_CMD_A_PID_TCP __SHIFTIN(1, MUE_RX_CMD_A_PID)
#define MUE_RX_CMD_A_PID_UDP __SHIFTIN(2, MUE_RX_CMD_A_PID)
#define MUE_RX_CMD_A_PID_IP __SHIFTIN(3, MUE_RX_CMD_A_PID)
#define MUE_RX_CMD_A_IPV __BIT(29)
#define MUE_RX_CMD_A_TCE __BIT(30)
#define MUE_RX_CMD_A_ICE __BIT(31)
uint32_t rx_cmd_b;
uint16_t rx_cmd_c;
} __packed;
struct mue_txbuf_hdr {
uint32_t tx_cmd_a;
#define MUE_TX_CMD_A_LEN_MASK 0x000fffff
#define MUE_TX_CMD_A_FCS 0x00400000
#define MUE_TX_CMD_A_TPE 0x02000000
#define MUE_TX_CMD_A_IPE 0x04000000
#define MUE_TX_CMD_A_LSO 0x08000000
uint32_t tx_cmd_b;
#define MUE_TX_MSS_MIN 8
#define MUE_TX_CMD_B_MSS_SHIFT 16
#define MUE_TX_CMD_B_MSS_MASK 0x3fff0000
} __packed;
#endif /* _IF_MUEVAR_H_ */
