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Ignore some recoverable Ethernet error codes: packets lost

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(no buffers); oversized packet.
This commit is contained in:
Paul Koning 2023-11-21 19:49:38 -05:00
parent 3fe7c3a724
commit 33e100d8cb
2 changed files with 7 additions and 2 deletions
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9
ntp/ntp.c
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@ -8,6 +8,8 @@
#include "tzutil.h" #include "tzutil.h"
#define NOSUCH 5 /* Ethernet driver error code for "no packets pending" */ #define NOSUCH 5 /* Ethernet driver error code for "no packets pending" */
#define DATERR 13 /* Some Ethernet packets were lost */
#define MAGRLE 40 /* Oversized Ethernet packet */
#define UU_DAT -14 /* Date/Time changer */ #define UU_DAT -14 /* Date/Time changer */
#define UU_DET 7 /* Detach */ #define UU_DET 7 /* Detach */
#define JFLOCK 040000 /* Lock in memory flag */ #define JFLOCK 040000 /* Lock in memory flag */
@ -178,8 +180,11 @@ static void * getntppkt (int ch2, void *buf, int len)
setxrb (buf, len); setxrb (buf, len);
xrb->xrci = ch2; xrb->xrci = ch2;
RSTS$READ (); RSTS$READ ();
if (RSTS$FIRQB->firqb == NOSUCH) { /* Some errors are ignored: no packet pending, packets lost, oversized packet */
/* No packets pending */ if (RSTS$FIRQB->firqb == NOSUCH ||
RSTS$FIRQB->firqb == DATERR ||
RSTS$FIRQB->firqb == MAGRLE) {
/* Report no packet */
return NULL; return NULL;
} }
check ("ethernet receive"); check ("ethernet receive");

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ntp/ntp.tsk
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