diff options
Diffstat (limited to 'drivers/staging/rtl8712/ip.h')
| -rw-r--r-- | drivers/staging/rtl8712/ip.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/drivers/staging/rtl8712/ip.h b/drivers/staging/rtl8712/ip.h new file mode 100644 index 0000000..4785a59 --- /dev/null +++ b/drivers/staging/rtl8712/ip.h @@ -0,0 +1,137 @@ +/* + * INET An implementation of the TCP/IP protocol suite for the LINUX + * operating system. INET is implemented using the BSD Socket + * interface as the means of communication with the user level. + * + * Definitions for the IP protocol. + * + * Version: @(#)ip.h 1.0.2 04/28/93 + * + * Authors: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _LINUX_IP_H +#define _LINUX_IP_H + +#include "rtl871x_byteorder.h" + +/* SOL_IP socket options */ + +#define IPTOS_TOS_MASK 0x1E +#define IPTOS_TOS(tos) ((tos)&IPTOS_TOS_MASK) +#define IPTOS_LOWDELAY 0x10 +#define IPTOS_THROUGHPUT 0x08 +#define IPTOS_RELIABILITY 0x04 +#define IPTOS_MINCOST 0x02 + +#define IPTOS_PREC_MASK 0xE0 +#define IPTOS_PREC(tos) ((tos)&IPTOS_PREC_MASK) +#define IPTOS_PREC_NETCONTROL 0xe0 +#define IPTOS_PREC_INTERNETCONTROL 0xc0 +#define IPTOS_PREC_CRITIC_ECP 0xa0 +#define IPTOS_PREC_FLASHOVERRIDE 0x80 +#define IPTOS_PREC_FLASH 0x60 +#define IPTOS_PREC_IMMEDIATE 0x40 +#define IPTOS_PREC_PRIORITY 0x20 +#define IPTOS_PREC_ROUTINE 0x00 + +/* IP options */ +#define IPOPT_COPY 0x80 +#define IPOPT_CLASS_MASK 0x60 +#define IPOPT_NUMBER_MASK 0x1f + +#define IPOPT_COPIED(o) ((o)&IPOPT_COPY) +#define IPOPT_CLASS(o) ((o)&IPOPT_CLASS_MASK) +#define IPOPT_NUMBER(o) ((o)&IPOPT_NUMBER_MASK) + +#define IPOPT_CONTROL 0x00 +#define IPOPT_RESERVED1 0x20 +#define IPOPT_MEASUREMENT 0x40 +#define IPOPT_RESERVED2 0x60 + +#define IPOPT_END (0 | IPOPT_CONTROL) +#define IPOPT_NOOP (1 | IPOPT_CONTROL) +#define IPOPT_SEC (2 | IPOPT_CONTROL|IPOPT_COPY) +#define IPOPT_LSRR (3 | IPOPT_CONTROL|IPOPT_COPY) +#define IPOPT_TIMESTAMP (4 | IPOPT_MEASUREMENT) +#define IPOPT_RR (7 | IPOPT_CONTROL) +#define IPOPT_SID (8 | IPOPT_CONTROL | IPOPT_COPY) +#define IPOPT_SSRR (9 | IPOPT_CONTROL | IPOPT_COPY) +#define IPOPT_RA (20 | IPOPT_CONTROL | IPOPT_COPY) + +#define IPVERSION 4 +#define MAXTTL 255 +#define IPDEFTTL 64 + +/* struct timestamp, struct route and MAX_ROUTES are removed. + * + * REASONS: it is clear that nobody used them because: + * - MAX_ROUTES value was wrong. + * - "struct route" was wrong. + * - "struct timestamp" had fatally misaligned bitfields and was completely + * unusable. + */ + +#define IPOPT_OPTVAL 0 +#define IPOPT_OLEN 1 +#define IPOPT_OFFSET 2 +#define IPOPT_MINOFF 4 +#define MAX_IPOPTLEN 40 +#define IPOPT_NOP IPOPT_NOOP +#define IPOPT_EOL IPOPT_END +#define IPOPT_TS IPOPT_TIMESTAMP + +#define IPOPT_TS_TSONLY 0 /* timestamps only */ +#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */ +#define IPOPT_TS_PRESPEC 3 /* specified modules only */ + +struct ip_options { + __u32 faddr; /* Saved first hop address */ + unsigned char optlen; + unsigned char srr; + unsigned char rr; + unsigned char ts; + unsigned char is_setbyuser:1, /* Set by setsockopt? */ + is_data:1, /* Options in __data, rather than skb */ + is_strictroute:1, /* Strict source route */ + srr_is_hit:1, /* Packet destination addr was our one */ + is_changed:1, /* IP checksum more not valid */ + rr_needaddr:1, /* Need to record addr of outgoing dev */ + ts_needtime:1, /* Need to record timestamp */ + ts_needaddr:1; /* Need to record addr of outgoing dev */ + unsigned char router_alert; + unsigned char __pad1; + unsigned char __pad2; + unsigned char __data[0]; +}; + +#define optlength(opt) (sizeof(struct ip_options) + opt->optlen) + +struct iphdr { +#if defined(__LITTLE_ENDIAN_BITFIELD) + __u8 ihl:4, + version:4; +#elif defined(__BIG_ENDIAN_BITFIELD) + __u8 version:4, + ihl:4; +#else +#error "Please fix <asm/byteorder.h>" +#endif + __u8 tos; + __u16 tot_len; + __u16 id; + __u16 frag_off; + __u8 ttl; + __u8 protocol; + __u16 check; + __u32 saddr; + __u32 daddr; + /*The options start here. */ +}; + +#endif /* _LINUX_IP_H */ + |
