Gerhard Sittig f395e75e27 net: dns: fix for DNS queries sent to the wrong MAC address ... When a DNS query is sent out, the ethernet packet can get directed to the MAC address of a server that was communicated to before. This is wrong when the previously stored MAC address corresponds to a different server's IP address, i.e. when the IP address of the previous and the current communication are different. The error can get reproduced by running a sequence of e.g. a TFTP download and a DNS query, where the TFTP and DNS servers reside on individual machines. The fix is to clear the server's MAC address that might be left from a previous operation, and to fetch the peer's MAC address in a new ARP lookup, before the DNS query is sent. This is the approach taken in other network services, like 8e52533d10 ("net: tftpsrv: Get correct client MAC address"). Reported-by: Dirk Zimoch <dirk.zimoch@psi.ch> Signed-off-by: Gerhard Sittig <gsi@denx.de>		2014-09-16 12:24:00 -04:00
..
Makefile	kbuild: use Linux Kernel build scripts	2014-02-19 11:07:50 -05:00
arp.c	…
arp.h	…
bootp.c	net: More BOOTP retry timeout improvements	2014-08-21 12:01:30 -04:00
bootp.h	net: BOOTP retry timeout improvements	2014-08-09 11:17:03 -04:00
cdp.c	…
cdp.h	…
dns.c	net: dns: fix for DNS queries sent to the wrong MAC address	2014-09-16 12:24:00 -04:00
dns.h	…
eth.c	Ethernet: let user know if there is no valid ethernet address	2014-07-22 07:44:28 -04:00
link_local.c	…
link_local.h	…
net.c	net: BOOTP retry timeout improvements	2014-08-09 11:17:03 -04:00
net_rand.h	…
nfs.c	…
nfs.h	…
ping.c	…
ping.h	…
rarp.c	…
rarp.h	…
sntp.c	…
sntp.h	…
tftp.c	…
tftp.h	…