ecore_tcp_ip.h revision 337519 
1/*
2 * Copyright (c) 2018-2019 Cavium, Inc.
3 * All rights reserved.
4 *
5 *  Redistribution and use in source and binary forms, with or without
6 *  modification, are permitted provided that the following conditions
7 *  are met:
8 *
9 *  1. Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 *  2. Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 *
15 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 *  POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD: stable/10/sys/dev/qlnx/qlnxe/ecore_tcp_ip.h 337519 2018-08-09 01:39:47Z davidcs $
28 */
29
30#ifndef __ECORE_TCP_IP_H
31#define __ECORE_TCP_IP_H
32
33#define VLAN_VID_MASK	0x0fff /* VLAN Identifier */
34#define ETH_P_8021Q	0x8100          /* 802.1Q VLAN Extended Header  */
35#define ETH_P_8021AD	0x88A8          /* 802.1ad Service VLAN		*/
36#define ETH_P_IPV6	0x86DD		/* IPv6 over bluebook		*/
37#define ETH_P_IP	0x0800		/* Internet Protocol packet	*/
38#define ETH_HLEN	14		/* Total octets in header.	 */
39#define VLAN_HLEN       4               /* additional bytes required by VLAN */
40#define MAX_VLAN_PRIO	7	/* Max vlan priority value in 801.1Q tag */
41
42#define MAX_DSCP		63 /* Max DSCP value in IP header */
43#define IPPROTO_TCP	6
44
45#ifndef htonl
46#define htonl(val) OSAL_CPU_TO_BE32(val)
47#endif
48
49#ifndef ntohl
50#define ntohl(val) OSAL_BE32_TO_CPU(val)
51#endif
52
53#ifndef htons
54#define htons(val) OSAL_CPU_TO_BE16(val)
55#endif
56
57#ifndef ntohs
58#define ntohs(val) OSAL_BE16_TO_CPU(val)
59#endif
60
61
62struct ecore_ethhdr {
63	unsigned char	h_dest[ETH_ALEN];	/* destination eth addr	*/
64	unsigned char	h_source[ETH_ALEN];	/* source ether addr	*/
65	u16		h_proto;		/* packet type ID field	*/
66};
67
68struct ecore_iphdr {
69	u8	ihl:4,
70		version:4;
71	u8	tos;
72	u16	tot_len;
73	u16	id;
74	u16	frag_off;
75	u8	ttl;
76	u8	protocol;
77	u16	check;
78	u32	saddr;
79	u32	daddr;
80	/*The options start here. */
81};
82
83struct ecore_vlan_ethhdr {
84	unsigned char	h_dest[ETH_ALEN];
85	unsigned char	h_source[ETH_ALEN];
86	u16		h_vlan_proto;
87	u16		h_vlan_TCI;
88	u16		h_vlan_encapsulated_proto;
89};
90
91struct ecore_in6_addr {
92	union {
93		u8		u6_addr8[16];
94		u16		u6_addr16[8];
95		u32		u6_addr32[4];
96	} in6_u;
97};
98
99struct ecore_ipv6hdr {
100	u8			priority:4,
101				version:4;
102	u8			flow_lbl[3];
103
104	u16			payload_len;
105	u8			nexthdr;
106	u8			hop_limit;
107
108	struct	ecore_in6_addr	saddr;
109	struct	ecore_in6_addr	daddr;
110};
111
112struct ecore_tcphdr {
113	u16	source;
114	u16	dest;
115	u32	seq;
116	u32	ack_seq;
117	u16	res1:4,
118		doff:4,
119		fin:1,
120		syn:1,
121		rst:1,
122		psh:1,
123		ack:1,
124		urg:1,
125		ece:1,
126		cwr:1;
127	u16	window;
128	u16	check;
129	u16	urg_ptr;
130};
131
132enum {
133	INET_ECN_NOT_ECT = 0,
134	INET_ECN_ECT_1 = 1,
135	INET_ECN_ECT_0 = 2,
136	INET_ECN_CE = 3,
137	INET_ECN_MASK = 3,
138};
139
140#endif
141