if_muevar.h revision 1.8.2.3 1 /* $NetBSD: if_muevar.h,v 1.8.2.3 2020/04/13 08:04:49 martin Exp $ */
2 /* $OpenBSD: if_muereg.h,v 1.1 2018/08/03 01:50:15 kevlo Exp $ */
3
4 /*
5 * Copyright (c) 2018 Kevin Lo <kevlo (at) openbsd.org>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 #ifndef _IF_MUEVAR_H_
21 #define _IF_MUEVAR_H_
22
23 #ifndef MUE_TX_LIST_CNT
24 #define MUE_TX_LIST_CNT 4
25 #endif
26 #ifndef MUE_RX_LIST_CNT
27 #define MUE_RX_LIST_CNT 4
28 #endif
29
30 struct mue_rxbuf_hdr {
31 uint32_t rx_cmd_a;
32 #define MUE_RX_CMD_A_LEN_MASK 0x00003fff
33 #define MUE_RX_CMD_A_ICSM 0x00004000
34 #define MUE_RX_CMD_A_ERRORS __BITS(16, 21) /* non-checksum errors */
35 #define MUE_RX_CMD_A_RED 0x00400000
36 #define MUE_RX_CMD_A_PID __BITS(28, 27)
37 #define MUE_RX_CMD_A_PID_TCP __SHIFTIN(1, MUE_RX_CMD_A_PID)
38 #define MUE_RX_CMD_A_PID_UDP __SHIFTIN(2, MUE_RX_CMD_A_PID)
39 #define MUE_RX_CMD_A_PID_IP __SHIFTIN(3, MUE_RX_CMD_A_PID)
40 #define MUE_RX_CMD_A_IPV __BIT(29)
41 #define MUE_RX_CMD_A_TCE __BIT(30)
42 #define MUE_RX_CMD_A_ICE __BIT(31)
43
44 uint32_t rx_cmd_b;
45 uint16_t rx_cmd_c;
46 } __packed;
47
48 struct mue_txbuf_hdr {
49 uint32_t tx_cmd_a;
50 #define MUE_TX_CMD_A_LEN_MASK 0x000fffff
51 #define MUE_TX_CMD_A_FCS 0x00400000
52 #define MUE_TX_CMD_A_TPE 0x02000000
53 #define MUE_TX_CMD_A_IPE 0x04000000
54 #define MUE_TX_CMD_A_LSO 0x08000000
55
56 uint32_t tx_cmd_b;
57 #define MUE_TX_MSS_MIN 8
58 #define MUE_TX_CMD_B_MSS_SHIFT 16
59 #define MUE_TX_CMD_B_MSS_MASK 0x3fff0000
60
61 } __packed;
62
63 #endif /* _IF_MUEVAR_H_ */
64