@@ -138,13 +138,17 @@ void NcStart(void)
}
}
-int nc_input_packet(uchar *pkt, unsigned dest, unsigned src, unsigned len)
+int nc_input_packet(uchar *pkt, IPaddr_t src_ip, unsigned dest_port,
+ unsigned src_port, unsigned len)
{
int end, chunk;
- if (dest != nc_in_port || !len)
+ if (dest_port != nc_in_port || !len)
return 0; /* not for us */
+ if (src_ip != nc_ip && !is_broadcast(nc_ip))
+ return 0; /* not from our client */
+
debug_cond(DEBUG_DEV_PKT, "input: \"%*.*s\"\n", len, len, pkt);
if (input_size == sizeof(input_buffer))
@@ -529,7 +529,8 @@ extern void NetReceive(uchar *, int);
#ifdef CONFIG_NETCONSOLE
void NcStart(void);
-int nc_input_packet(uchar *pkt, unsigned dest, unsigned src, unsigned len);
+int nc_input_packet(uchar *pkt, IPaddr_t src_ip, unsigned dest_port,
+ unsigned src_port, unsigned len);
#endif
/*
@@ -1147,6 +1147,7 @@ NetReceive(uchar *inpkt, int len)
#ifdef CONFIG_NETCONSOLE
nc_input_packet((uchar *)ip + IP_UDP_HDR_SIZE,
+ ntohl(ip->ip_src),
ntohs(ip->udp_dst),
ntohs(ip->udp_src),
ntohs(ip->udp_len) - UDP_HDR_SIZE);
Check the incoming packets' source IP address... if ncip isn't set to a broadcast address, only listen to the client at ncip. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> --- drivers/net/netconsole.c | 8 ++++++-- include/net.h | 3 ++- net/net.c | 1 + 3 files changed, 9 insertions(+), 3 deletions(-)