diff options
author | Ben Hilburn <ben.hilburn@ettus.com> | 2014-02-04 11:04:07 -0800 |
---|---|---|
committer | Ben Hilburn <ben.hilburn@ettus.com> | 2014-02-04 11:04:07 -0800 |
commit | 178ac3f1c9950d383c8f64b3df464c0f943c4a23 (patch) | |
tree | 318ed621a7b59b7d34d4ce6e4a92f73f0bcef509 /firmware/x300/lwip/lwip-1.3.1/src/netif/ppp/vjbsdhdr.h | |
parent | 2718ac110fa931cc29daf7cb3dc5ab6230ee02ab (diff) | |
download | uhd-178ac3f1c9950d383c8f64b3df464c0f943c4a23.tar.gz uhd-178ac3f1c9950d383c8f64b3df464c0f943c4a23.tar.bz2 uhd-178ac3f1c9950d383c8f64b3df464c0f943c4a23.zip |
Merging USRP X300 and X310 support!!
Diffstat (limited to 'firmware/x300/lwip/lwip-1.3.1/src/netif/ppp/vjbsdhdr.h')
-rw-r--r-- | firmware/x300/lwip/lwip-1.3.1/src/netif/ppp/vjbsdhdr.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/firmware/x300/lwip/lwip-1.3.1/src/netif/ppp/vjbsdhdr.h b/firmware/x300/lwip/lwip-1.3.1/src/netif/ppp/vjbsdhdr.h new file mode 100644 index 000000000..f46267614 --- /dev/null +++ b/firmware/x300/lwip/lwip-1.3.1/src/netif/ppp/vjbsdhdr.h @@ -0,0 +1,75 @@ +#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 +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 +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 */ |