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use charles's cleaner message input code

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cgd 1995-03-03 01:37:22 +00:00
parent f877346baf
commit e6e80015b0
1 changed files with 23 additions and 26 deletions
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49
sys/arch/alpha/tc/esp.c
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@ -1,4 +1,4 @@
/* $NetBSD: esp.c,v 1.1 1995/02/13 23:08:55 cgd Exp $ */
/* $NetBSD: esp.c,v 1.2 1995/03/03 01:37:22 cgd Exp $ */
/*
* Copyright (c) 1994 Peter Galbavy
@ -971,34 +971,31 @@ esp_msgin(sc)
* If we're going to reject the message, don't bother storing
* the incoming bytes. But still, we need to ACK them.
*/
if (!(sc->sc_flags & ESP_DROP_MSGI)) {
if ((sc->sc_flags & ESP_DROP_MSGI) == 0) {
sc->sc_imess[sc->sc_imlen] = espgetbyte(sc);
ESP_MISC(("0x%02x ", sc->sc_imess[sc->sc_imlen]));
/*
* This testing is suboptimal, but most messages will
* be of the one byte variety, so it should not effect
* performance significantly.
*/
if (IS1BYTEMSG(sc->sc_imess[0]))
break;
if (IS2BYTEMSG(sc->sc_imess[0]) && sc->sc_imlen == 1)
break;
if (ISEXTMSG(sc->sc_imess[0]) && sc->sc_imlen > 0) {
if (sc->sc_imlen == ESP_MAX_MSG_LEN) {
sc->sc_flags |= ESP_DROP_MSGI;
ESPCMD(sc, ESPCMD_SETATN);
ESPCMD(sc, ESPCMD_MSGOK);
}
extlen = sc->sc_imess[1] ? sc->sc_imess[1] : 256;
if (sc->sc_imlen == extlen + 2) {
break; /* Got it all */
} else {
sc->sc_imlen++;
/* ESPCMD(sc, ESPCMD_TRANS); */
/* return; */
}
} else
if (sc->sc_imlen >= ESP_MAX_MSG_LEN) {
esp_sched_msgout(SEND_REJECT);
sc->sc_flags |= ESP_DROP_MSGI;
} else {
sc->sc_imlen++;
/*
* This testing is suboptimal, but most
* messages will be of the one byte variety, so
* it should not effect performance
* significantly.
*/
if (sc->sc_imlen == 1 &&
IS1BYTEMSG(sc->sc_imess[0]))
break;
if (sc->sc_imlen == 2 &&
IS2BYTEMSG(sc->sc_imess[0]))
break;
if (sc->sc_imlen >= 3 &&
ISEXTMSG(sc->sc_imess[0]) &&
sc->sc_imlen == sc->sc_imess[1] + 2)
break;
}
}
}