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/*
* Copyright (c) 2018-2019 Cavium, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __ECORE_TCP_IP_H
#define __ECORE_TCP_IP_H
#define VLAN_VID_MASK 0x0fff /* VLAN Identifier */
#define ETH_P_8021Q 0x8100 /* 802.1Q VLAN Extended Header */
#define ETH_P_8021AD 0x88A8 /* 802.1ad Service VLAN */
#define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */
#define ETH_P_IP 0x0800 /* Internet Protocol packet */
#define ETH_HLEN 14 /* Total octets in header. */
#define VLAN_HLEN 4 /* additional bytes required by VLAN */
#define MAX_VLAN_PRIO 7 /* Max vlan priority value in 801.1Q tag */
#define MAX_DSCP 63 /* Max DSCP value in IP header */
#define IPPROTO_TCP 6
#ifndef htonl
#define htonl(val) OSAL_CPU_TO_BE32(val)
#endif
#ifndef ntohl
#define ntohl(val) OSAL_BE32_TO_CPU(val)
#endif
#ifndef htons
#define htons(val) OSAL_CPU_TO_BE16(val)
#endif
#ifndef ntohs
#define ntohs(val) OSAL_BE16_TO_CPU(val)
#endif
struct ecore_ethhdr {
unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
unsigned char h_source[ETH_ALEN]; /* source ether addr */
u16 h_proto; /* packet type ID field */
};
struct ecore_iphdr {
u8 ihl:4,
version:4;
u8 tos;
u16 tot_len;
u16 id;
u16 frag_off;
u8 ttl;
u8 protocol;
u16 check;
u32 saddr;
u32 daddr;
/*The options start here. */
};
struct ecore_vlan_ethhdr {
unsigned char h_dest[ETH_ALEN];
unsigned char h_source[ETH_ALEN];
u16 h_vlan_proto;
u16 h_vlan_TCI;
u16 h_vlan_encapsulated_proto;
};
struct ecore_in6_addr {
union {
u8 u6_addr8[16];
u16 u6_addr16[8];
u32 u6_addr32[4];
} in6_u;
};
struct ecore_ipv6hdr {
u8 priority:4,
version:4;
u8 flow_lbl[3];
u16 payload_len;
u8 nexthdr;
u8 hop_limit;
struct ecore_in6_addr saddr;
struct ecore_in6_addr daddr;
};
struct ecore_tcphdr {
u16 source;
u16 dest;
u32 seq;
u32 ack_seq;
u16 res1:4,
doff:4,
fin:1,
syn:1,
rst:1,
psh:1,
ack:1,
urg:1,
ece:1,
cwr:1;
u16 window;
u16 check;
u16 urg_ptr;
};
enum {
INET_ECN_NOT_ECT = 0,
INET_ECN_ECT_1 = 1,
INET_ECN_ECT_0 = 2,
INET_ECN_CE = 3,
INET_ECN_MASK = 3,
};
#endif
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