1.)Don't Generate error packets in response to multicasts.

2.) Keep histogram of input error packets.

SCCS-vsn: sys/netns/ns_error.c 6.4

diff --git a/usr/src/sys/netns/ns_error.c b/usr/src/sys/netns/ns_error.c
index cc08577..7aae549 100644 (file)
--- a/usr/src/sys/netns/ns_error.c
+++ b/usr/src/sys/netns/ns_error.c
@@ -3,7 +3,7 @@
  * All rights reserved.  The Berkeley software License Agreement
  * specifies the terms and conditions for redistribution.
  *
  * All rights reserved.  The Berkeley software License Agreement
  * specifies the terms and conditions for redistribution.
  *

- *     @(#)ns_error.c  6.3 (Berkeley) %G%
+ *     @(#)ns_error.c  6.4 (Berkeley) %G%

  */
 
 #include "param.h"
  */
 
 #include "param.h"


@@ -58,6 +58,12 @@ ns_error(om, type, param)
        if (ns_errprintfs)
                printf("ns_err_error(%x, %d, %d)\n", oip, type, param);
 #endif
        if (ns_errprintfs)
                printf("ns_err_error(%x, %d, %d)\n", oip, type, param);
 #endif

+       /*
+        * Don't Generate error packets in response to multicasts.
+        */
+       if (oip->idp_dna.x_host.c_host[0] & 1)
+               goto free;
+

        ns_errstat.ns_es_error++;
        /*
         * Make sure that the old IDP packet had 30 bytes of data to return;
        ns_errstat.ns_es_error++;
        /*
         * Make sure that the old IDP packet had 30 bytes of data to return;


@@ -156,6 +162,7 @@ ns_err_input(m)
        ep = &(mtod(m, struct ns_epidp *)->ns_ep_errp);
        type = ntohs(ep->ns_err_num);
        param = ntohs(ep->ns_err_param);
        ep = &(mtod(m, struct ns_epidp *)->ns_ep_errp);
        type = ntohs(ep->ns_err_num);
        param = ntohs(ep->ns_err_param);

+       ns_errstat.ns_es_inhist[ns_err_x(type)]++;

 
 #ifdef NS_ERRPRINTFS
        /*
 
 #ifdef NS_ERRPRINTFS
        /*