Re: [Pandora] CONFIG_PACKET_MMAP and initial drops

[uaca]

On Sun, Jan 05, 2003 at 03:09:35PM +0100, Simon Patarin wrote:

Hi!
> Please, make a patch! I'll be happy to apply it :)

Here it is (and tested)

        Ulisses

--- pcap-linux.c.orig   Sun Jan  5 15:29:15 2003
+++ pcap-linux.c        Sun Jan  5 15:35:06 2003
@@ -259,7 +259,7 @@
 {
        int k = 3;
        int frames_per_block, blocks, ct, size;
-       
+       struct pcap_stat stat;
        struct tpacket_req req;
 
        int pagesz =  getpagesize();
@@ -324,6 +324,16 @@
 
        //fprintf(stderr, "packet_tring_setup: %dx%d\n", ct, framesz);
 
+       /* We reset pcap_stats counters, because there were drops before 
setting up
+        * the PACKET_RX_RING
+        */
+
+       if (pcap_stats(p, &stat) < 0) {
+         fprintf(stderr, "initially resetting pcap_stats: %s\n", 
pcap_geterr(p));
+         return;
+       }
+
+
        return 0;
 }
 #else