2.11BSD#431 - /usr/src/sys/pdpif/if_de.h

   1: /*
   2:  * SCCSID: @(#)if_de.h	1.1	(2.11BSD GTE)	12/31/93
   3:  */
   4: 
   5: /* Header files and definitons to support multiple DEUNAs */
   6: 
   7: #include "socket.h"
   8: #include "../net/if.h"
   9: #include "../net/netisr.h"
  10: #include "../net/route.h"
  11: 
  12: #ifdef INET
  13: #include "../netinet/in.h"
  14: #include "../netinet/in_systm.h"
  15: #include "../netinet/in_var.h"
  16: #include "../netinet/ip.h"
  17: #include "../netinet/if_ether.h"
  18: #endif		/* INET */
  19: 
  20: #ifdef NS
  21: #include "../netns/ns.h"
  22: #include "../netns/ns_if.h"
  23: #endif		/* NS */
  24: 
  25: #include "../pdpif/if_dereg.h"
  26: #include "../pdpuba/ubavar.h"
  27: #include "../pdpif/if_uba.h"
  28: 
  29: /*
  30:  * These numbers are based on the amount of space that is allocated
  31:  * int netinit() to miobase, for 4 + 6, miosize must be 16384 instead
  32:  * of the 8192 allocated originally.  m_ioget() gets a click address
  33:  * within the allocated region.  NOTE: the UMR handling has been fixed
  34:  * in 2.11BSD to allocate only the number of UMRs required by the size
  35:  * of the m_ioget I/O region - a UMR per buffer is NO LONGER THE CASE!
  36:  * Note that the size of a buffer is:
  37:  * 1500 (ETHERMTU) + sizeof(ether_header) + some rounding from btoc() =
  38:  * 1536 bytes or 24 clicks.
  39:  */
  40: 
  41: #define NXMT    4   /* number of transmit buffers */
  42: #define NRCV    6   /* number of receive buffers (must be > 1) */
  43: 
  44: #ifdef  DE_DO_MULTI
  45: /*
  46:  * Multicast address list structure
  47:  */
  48: struct de_m_add {
  49:     u_char  dm_char[6];
  50: };
  51: #define MULTISIZE   sizeof(struct de_m_add)
  52: #define NMULTI      10  /* # of multicast addrs on the DEUNA */
  53: #endif		/* DE_DO_MULTI */
  54: 
  55: /*
  56:  * The deuba structures generalizes the ifuba structure
  57:  * to an arbitrary number of receive and transmit buffers.
  58:  */
  59: struct  deuba {
  60:     u_short ifu_hlen;       /* local net header length */
  61:     struct  ifrw difu_r[NRCV];  /* receive information */
  62:     struct  ifrw difu_w[NXMT];  /* transmit information */
  63:     short   difu_flags;
  64: };
  65: /*
  66:  * Ethernet software status per interface.
  67:  *
  68:  * Each interface is referenced by a network interface structure,
  69:  * ds_if, which the routing code uses to locate the interface.
  70:  * This structure contains the output queue for the interface, its address, ...
  71:  * We also have, for each interface, a UBA interface structure, which
  72:  * contains information about the UNIBUS resources held by the interface:
  73:  * map registers, buffered data paths, etc.  Information is cached in this
  74:  * structure for use by the if_uba.c routines in running the interface
  75:  * efficiently.
  76:  */
  77: struct  de_softc {
  78:     struct  arpcom ds_ac;       /* Ethernet common part */
  79: #define ds_if   ds_ac.ac_if     /* network-visible interface */
  80: #define ds_addr ds_ac.ac_enaddr     /* hardware Ethernet address */
  81:     char    ds_flags;       /* Has the board be initialized? */
  82: #define DSF_LOCK    1
  83: #define DSF_RUNNING 2
  84: #define DSF_SETADDR 4
  85:     char    ds_devid;       /* device id DEUNA=0, DELUA=1 */
  86:     ubadr_t ds_ubaddr;      /* map info for incore structs */
  87:     struct  deuba ds_deuba;     /* unibus resource structure */
  88:     /* the following structures are always mapped in */
  89:     struct  de_pcbb ds_pcbb;    /* port control block */
  90:     struct  de_ring ds_xrent[NXMT]; /* transmit ring entrys */
  91:     struct  de_ring ds_rrent[NRCV]; /* receive ring entrys */
  92:     struct  de_udbbuf ds_udbbuf;    /* UNIBUS data buffer */
  93: #ifdef  DE_DO_MULTI
  94:     struct  de_m_add ds_multicast[NMULTI]; /* multicast addr list */
  95: #endif		/* DE_DO_MULTI */
  96: 
  97: #ifdef  DE_DO_BCTRS
  98:     struct  de_counters ds_counters;/* counter block */
  99: #endif		/* DE_DO_BCTRS */
 100: 
 101:     /* end mapped area */
 102: #define INCORE_BASE(p)  ((char *)&(p)->ds_pcbb)
 103: #define RVAL_OFF(n) ((char *)&de_softc[0].n - INCORE_BASE(&de_softc[0]))
 104: #define LVAL_OFF(n) ((char *)de_softc[0].n - INCORE_BASE(&de_softc[0]))
 105: #define PCBB_OFFSET RVAL_OFF(ds_pcbb)
 106: #define XRENT_OFFSET    LVAL_OFF(ds_xrent)
 107: #define RRENT_OFFSET    LVAL_OFF(ds_rrent)
 108: #define UDBBUF_OFFSET   RVAL_OFF(ds_udbbuf)
 109: 
 110: #ifdef  DE_DO_MULTI
 111: #define MULTI_OFFSET    RVAL_OFF(ds_multicast[0])
 112: #endif		/* DE_DO_MULTI */
 113: 
 114: #ifdef  DE_DO_BCTRS
 115: #define COUNTER_OFFSET  RVAL_OFF(ds_counters)
 116: #endif		/* DE_DO_BCTRS */
 117: 
 118: #define INCORE_SIZE RVAL_OFF(ds_xindex)
 119:     u_char  ds_xindex;      /* UNA index into transmit chain */
 120:     u_char  ds_rindex;      /* UNA index into receive chain */
 121:     u_char  ds_xfree;       /* index for next transmit buffer */
 122:     u_char  ds_nxmit;       /* # of transmits in progress */
 123: 
 124: #ifdef  DE_DO_MULTI
 125:     u_char  ds_muse[NMULTI];    /* multicast address use */
 126: #endif		/* DE_DO_MULTI */
 127: 
 128: #ifdef  DE_DO_BCTRS
 129:     long    ds_ztime;       /* time counters were last zeroed */
 130:     u_short ds_unrecog;     /* unrecognized frame destination */
 131: #endif		/* DE_DO_BCTRS */
 132: };
 133: 
 134: /*
 135:  * These are the Ultrix ioctl's that are specific to this driver
 136:  */
 137: 
 138: #ifdef  DE_DO_PHYSADDR
 139: #define SIOCSPHYSADDR   _IOWR(i,23, struct ifreq)   /* Set phys. ad.*/
 140: #define SIOCRPHYSADDR   _IOWR(i,28, struct ifdevea) /* Read phy. ad.*/
 141: #endif		/* DE_DO_PHYSADDR */
 142: 
 143: #ifdef  DE_DO_MULTI
 144: #define SIOCADDMULTI    _IOWR(i,24, struct ifreq)   /* Add m.c. ad. */
 145: #define SIOCDELMULTI    _IOWR(i,25, struct ifreq)   /* Dele. m.c.ad.*/
 146: #endif		/* DE_DO_MULTI */
 147: 
 148: #ifdef  DE_DO_BCTRS
 149: #define SIOCRDCTRS  _IOWR(i,26, struct ctrreq)  /* Read if cntr.*/
 150: #define SIOCRDZCTRS _IOWR(i,27, struct ctrreq)  /* Read/0 if c. */
 151: #endif		/* DE_DO_BCTRS */
 152: 
 153: #ifdef DE_INT_LOOPBACK
 154: #define SIOCDISABLBACK  _IOW(i,34, struct ifreq)    /* Cl.in.ex.lpb.*/
 155: #define SIOCENABLBACK   _IOW(i,33, struct ifreq)    /* Set in.ex.lb.*/
 156: #endif		/* DE_INT_LOOPBACK */

Defined struct's

Defined macros

Usage of this include