mirror of https://gitee.com/openkylin/qemu.git
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/*
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* Copyright (c) 1995 Danny Gasparovski.
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*
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* Please read the file COPYRIGHT for the
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* terms and conditions of the copyright.
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*/
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#ifndef _IF_H_
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#define _IF_H_
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#define IF_COMPRESS 0x01 /* We want compression */
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#define IF_NOCOMPRESS 0x02 /* Do not do compression */
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#define IF_AUTOCOMP 0x04 /* Autodetect (default) */
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#define IF_NOCIDCOMP 0x08 /* CID compression */
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#define IF_MTU 1500
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#define IF_MRU 1500
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#define IF_COMP IF_AUTOCOMP /* Flags for compression */
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#if 0
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/*
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* Set if_maxlinkhdr to 48 because it's 40 bytes for TCP/IP,
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* and 8 bytes for PPP, but need to have it on an 8byte boundary
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*/
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#ifdef USE_PPP
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#define IF_MAXLINKHDR 48
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#else
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#define IF_MAXLINKHDR 40
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#endif
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#else
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/* 2 for alignment, 14 for ethernet, 40 for TCP/IP */
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#define IF_MAXLINKHDR (2 + 14 + 40)
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#endif
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extern int if_queued; /* Number of packets queued so far */
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extern struct mbuf if_fastq; /* fast queue (for interactive data) */
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extern struct mbuf if_batchq; /* queue for non-interactive data */
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extern struct mbuf *next_m;
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#define ifs_init(ifm) ((ifm)->ifs_next = (ifm)->ifs_prev = (ifm))
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#ifdef LOG_ENABLED
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/* Interface statistics */
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struct slirp_ifstats {
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u_int out_pkts; /* Output packets */
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u_int out_bytes; /* Output bytes */
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u_int out_errpkts; /* Output Error Packets */
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u_int out_errbytes; /* Output Error Bytes */
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u_int in_pkts; /* Input packets */
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u_int in_bytes; /* Input bytes */
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u_int in_errpkts; /* Input Error Packets */
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u_int in_errbytes; /* Input Error Bytes */
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u_int bytes_saved; /* Number of bytes that compression "saved" */
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/* ie: number of bytes that didn't need to be sent over the link
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* because of compression */
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u_int in_mbad; /* Bad incoming packets */
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};
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#endif
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#endif
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