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pppinput:

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Fix serial errors handling
Add no carrier check
This commit is contained in:
ache 1995-03-29 20:34:17 +00:00
parent e7aa4fbd2c
commit c3ff5d1bdc
1 changed files with 9 additions and 5 deletions
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14
sys/net/if_ppp.c
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@ -69,7 +69,7 @@
* Paul Mackerras (paulus@cs.anu.edu.au).
*/
/* $Id: if_ppp.c,v 1.10 1995/02/13 02:09:13 ache Exp $ */
/* $Id: if_ppp.c,v 1.11 1995/03/20 19:20:42 wollman Exp $ */
/* from if_sl.c,v 1.11 84/10/04 12:54:47 rick Exp */
#include "ppp.h"
@ -1284,14 +1284,18 @@ pppinput(c, tp)
++sc->sc_bytesrcvd;
if (c & TTY_FE) {
/* framing error or overrun on this char - abort packet */
if (!(tp->t_state & TS_CARR_ON) && !(tp->t_cflag & CLOCAL)) {
if (sc->sc_flags & SC_DEBUG)
printf("ppp%d: bad char %x\n", sc->sc_if.if_unit, c);
printf("ppp%d: no carrier\n", sc->sc_if.if_unit);
goto flush;
}
if (c & TTY_ERRORMASK) {
if (sc->sc_flags & SC_DEBUG)
printf("ppp%d: line error %x\n", sc->sc_if.if_unit, c & TTY_ERRORMASK);
goto flush;
}
c &= 0xff;
c &= TTY_CHARMASK;
if (c & 0x80)
sc->sc_flags |= SC_RCV_B7_1;