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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [Common/] [ethernet/] [lwIP_130/] [src/] [netif/] [ppp/] [vjbsdhdr.h] - Blame information for rev 606

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#ifndef VJBSDHDR_H
#define VJBSDHDR_H
 
#include "lwip/tcp.h"
 
/*
 * Structure of an internet header, naked of options.
 *
 * We declare ip_len and ip_off to be short, rather than u_short
 * pragmatically since otherwise unsigned comparisons can result
 * against negative integers quite easily, and fail in subtle ways.
 */
PACK_STRUCT_BEGIN
#if (defined(__MWERKS__)  || defined(__CWCC__))
        #pragma options align= packed
#endif
struct ip
{
#if defined(NO_CHAR_BITFIELDS)
  u_char   ip_hl_v;  /* bug in GCC for mips means the bitfield stuff will sometimes break - so we use a char for both and get round it with macro's instead... */
#else
#if BYTE_ORDER == LITTLE_ENDIAN
  unsigned ip_hl:4,              /* header length */
           ip_v :4;              /* version */
#elif BYTE_ORDER == BIG_ENDIAN 
  unsigned ip_v :4,              /* version */
           ip_hl:4;              /* header length */
#else
  COMPLAIN - NO BYTE ORDER SELECTED!
#endif
#endif
  u_char  ip_tos;                /* type of service */
  u_short ip_len;                /* total length */
  u_short ip_id;                 /* identification */
  u_short ip_off;                /* fragment offset field */
#define  IP_DF 0x4000            /* dont fragment flag */
#define  IP_MF 0x2000            /* more fragments flag */
#define  IP_OFFMASK 0x1fff       /* mask for fragmenting bits */
  u_char  ip_ttl;                /* time to live */
  u_char  ip_p;                  /* protocol */
  u_short ip_sum;                /* checksum */
  struct  in_addr ip_src,ip_dst; /* source and dest address */
};
PACK_STRUCT_END
 
typedef u32_t tcp_seq;
 
/*
 * TCP header.
 * Per RFC 793, September, 1981.
 */
PACK_STRUCT_BEGIN
#if (defined(__MWERKS__)  || defined(__CWCC__))
        #pragma options align= packed
#endif
struct tcphdr
{
  u_short  th_sport;    /* source port */
  u_short  th_dport;    /* destination port */
  tcp_seq  th_seq;      /* sequence number */
  tcp_seq  th_ack;      /* acknowledgement number */
#if defined(NO_CHAR_BITFIELDS)
  u_char   th_x2_off;
#else
#if BYTE_ORDER == LITTLE_ENDIAN
  unsigned th_x2 :4,    /* (unused) */
           th_off:4;    /* data offset */
#endif
#if BYTE_ORDER == BIG_ENDIAN 
  unsigned th_off:4,    /* data offset */
           th_x2 :4;    /* (unused) */
#endif
#endif
  u_char   th_flags;
  u_short  th_win;      /* window */
  u_short  th_sum;      /* checksum */
  u_short  th_urp;      /* urgent pointer */
};
PACK_STRUCT_END
 
#endif /* VJBSDHDR_H */

Line No.	Rev	Author	Line
1	606	jeremybenn	`#ifndef VJBSDHDR_H`
2			`#define VJBSDHDR_H`
3
4			`#include "lwip/tcp.h"`
5
6			`/*`
7			`* Structure of an internet header, naked of options.`
8			`*`
9			`* We declare ip_len and ip_off to be short, rather than u_short`
10			`* pragmatically since otherwise unsigned comparisons can result`
11			`* against negative integers quite easily, and fail in subtle ways.`
12			`*/`
13			`PACK_STRUCT_BEGIN`
14			`#if (defined(__MWERKS__) \|\| defined(__CWCC__))`
15			`#pragma options align= packed`
16			`#endif`
17			`struct ip`
18			`{`
19			`#if defined(NO_CHAR_BITFIELDS)`
20			`u_char ip_hl_v; /* bug in GCC for mips means the bitfield stuff will sometimes break - so we use a char for both and get round it with macro's instead... */`
21			`#else`
22			`#if BYTE_ORDER == LITTLE_ENDIAN`
23			`unsigned ip_hl:4, /* header length */`
24			`ip_v :4; /* version */`
25			`#elif BYTE_ORDER == BIG_ENDIAN`
26			`unsigned ip_v :4, /* version */`
27			`ip_hl:4; /* header length */`
28			`#else`
29			`COMPLAIN - NO BYTE ORDER SELECTED!`
30			`#endif`
31			`#endif`
32			`u_char ip_tos; /* type of service */`
33			`u_short ip_len; /* total length */`
34			`u_short ip_id; /* identification */`
35			`u_short ip_off; /* fragment offset field */`
36			`#define IP_DF 0x4000 /* dont fragment flag */`
37			`#define IP_MF 0x2000 /* more fragments flag */`
38			`#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */`
39			`u_char ip_ttl; /* time to live */`
40			`u_char ip_p; /* protocol */`
41			`u_short ip_sum; /* checksum */`
42			`struct in_addr ip_src,ip_dst; /* source and dest address */`
43			`};`
44			`PACK_STRUCT_END`
45
46			`typedef u32_t tcp_seq;`
47
48			`/*`
49			`* TCP header.`
50			`* Per RFC 793, September, 1981.`
51			`*/`
52			`PACK_STRUCT_BEGIN`
53			`#if (defined(__MWERKS__) \|\| defined(__CWCC__))`
54			`#pragma options align= packed`
55			`#endif`
56			`struct tcphdr`
57			`{`
58			`u_short th_sport; /* source port */`
59			`u_short th_dport; /* destination port */`
60			`tcp_seq th_seq; /* sequence number */`
61			`tcp_seq th_ack; /* acknowledgement number */`
62			`#if defined(NO_CHAR_BITFIELDS)`
63			`u_char th_x2_off;`
64			`#else`
65			`#if BYTE_ORDER == LITTLE_ENDIAN`
66			`unsigned th_x2 :4, /* (unused) */`
67			`th_off:4; /* data offset */`
68			`#endif`
69			`#if BYTE_ORDER == BIG_ENDIAN`
70			`unsigned th_off:4, /* data offset */`
71			`th_x2 :4; /* (unused) */`
72			`#endif`
73			`#endif`
74			`u_char th_flags;`
75			`u_short th_win; /* window */`
76			`u_short th_sum; /* checksum */`
77			`u_short th_urp; /* urgent pointer */`
78			`};`
79			`PACK_STRUCT_END`
80
81			`#endif /* VJBSDHDR_H */`

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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [Common/] [ethernet/] [lwIP_130/] [src/] [netif/] [ppp/] [vjbsdhdr.h] - Blame information for rev 606