[openib-general] tcpdump command issue on IB network

[Bob Woodruff]

Scott wrote, 
>Bummer, there's no way to get just a tcpdump binary that will work with
>RHEL4 kernel?

>Scott

You can also apply this patch to your RHEL4 kernel source and rebuild the
kernel.


diff -Naurp linux-2.6.9/net/core/dev.c linux-2.6.9-fixups/net/core/dev.c
--- linux-2.6.9/net/core/dev.c  2006-04-11 10:38:26.000000000 -0700
+++ linux-2.6.9-fixups/net/core/dev.c   2006-04-11 10:41:03.000000000 -0700
@@ -2304,8 +2304,6 @@ static int dev_ifsioc(struct ifreq *ifr,
                        return dev_set_mtu(dev, ifr->ifr_mtu);

                case SIOCGIFHWADDR:
-                       if ((size_t) dev->addr_len > sizeof
ifr->ifr_hwaddr.sa_data)
-                               return -EOVERFLOW;
                        memset(ifr->ifr_hwaddr.sa_data, 0, sizeof
ifr->ifr_hwaddr.sa_data);
                        memcpy(ifr->ifr_hwaddr.sa_data, dev->dev_addr,
dev->addr_len);
                        ifr->ifr_hwaddr.sa_family = dev->type;
~