From 80dd6cbcc4fd8c013969e205ee410344d9180b27 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Fri, 20 May 2016 20:57:18 +0100 Subject: [lotest] Add option to use broadcast packets for loopback testing Signed-off-by: Michael Brown --- src/usr/lotest.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'src/usr') diff --git a/src/usr/lotest.c b/src/usr/lotest.c index 6b328713..6b75b504 100644 --- a/src/usr/lotest.c +++ b/src/usr/lotest.c @@ -188,13 +188,15 @@ static int loopback_wait ( void *data, size_t len ) { * @v sender Sending network device * @v receiver Received network device * @v mtu Packet size (excluding link-layer headers) + * @v broadcast Use broadcast link-layer address * @ret rc Return status code */ int loopback_test ( struct net_device *sender, struct net_device *receiver, - size_t mtu ) { + size_t mtu, int broadcast ) { uint8_t *buf; uint32_t *seq; struct io_buffer *iobuf; + const void *ll_dest; unsigned int i; unsigned int successes; int rc; @@ -219,9 +221,13 @@ int loopback_test ( struct net_device *sender, struct net_device *receiver, return -ENOMEM; seq = ( ( void * ) buf ); + /* Determine destination address */ + ll_dest = ( broadcast ? sender->ll_broadcast : receiver->ll_addr ); + /* Print initial statistics */ - printf ( "Performing loopback test from %s to %s with %zd byte MTU\n", - sender->name, receiver->name, mtu ); + printf ( "Performing %sloopback test from %s to %s with %zd byte MTU\n", + ( broadcast ? "broadcast " : "" ), sender->name, + receiver->name, mtu ); ifstat ( sender ); ifstat ( receiver ); @@ -250,7 +256,7 @@ int loopback_test ( struct net_device *sender, struct net_device *receiver, /* Transmit packet */ if ( ( rc = net_tx ( iob_disown ( iobuf ), sender, - &lotest_protocol, receiver->ll_addr, + &lotest_protocol, ll_dest, sender->ll_addr ) ) != 0 ) { printf ( "\nFailed to transmit packet: %s", strerror ( rc ) ); -- cgit v1.2.3-55-g7522