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-rw-r--r--post/cpu/ppc4xx/ether.c35
1 files changed, 20 insertions, 15 deletions
diff --git a/post/cpu/ppc4xx/ether.c b/post/cpu/ppc4xx/ether.c
index 7f44f38dab..c508670a7c 100644
--- a/post/cpu/ppc4xx/ether.c
+++ b/post/cpu/ppc4xx/ether.c
@@ -34,7 +34,10 @@
* are transmitted. The configurable test parameters are:
* MIN_PACKET_LENGTH - minimum size of packet to transmit
* MAX_PACKET_LENGTH - maximum size of packet to transmit
- * TEST_NUM - number of tests
+ * CONFIG_SYS_POST_ETH_LOOPS - Number of test loops. Each loop
+ * is tested with a different frame length. Starting with
+ * MAX_PACKET_LENGTH and going down to MIN_PACKET_LENGTH.
+ * Defaults to 10 and can be overriden in the board config header.
*/
#include <post.h>
@@ -77,8 +80,12 @@ DECLARE_GLOBAL_DATA_PTR;
#endif
#define MIN_PACKET_LENGTH 64
-#define MAX_PACKET_LENGTH 256
-#define TEST_NUM 1
+#define MAX_PACKET_LENGTH 1514
+#ifndef CONFIG_SYS_POST_ETH_LOOPS
+#define CONFIG_SYS_POST_ETH_LOOPS 10
+#endif
+#define PACKET_INCR ((MAX_PACKET_LENGTH - MIN_PACKET_LENGTH) / \
+ CONFIG_SYS_POST_ETH_LOOPS)
static volatile mal_desc_t tx __cacheline_aligned;
static volatile mal_desc_t rx __cacheline_aligned;
@@ -361,29 +368,27 @@ static int packet_check (char *packet, int length)
return 0;
}
+ char packet_send[MAX_PACKET_LENGTH];
+ char packet_recv[MAX_PACKET_LENGTH];
static int test_ctlr (int devnum, int hw_addr)
{
int res = -1;
- char packet_send[MAX_PACKET_LENGTH];
- char packet_recv[MAX_PACKET_LENGTH];
int length;
- int i;
int l;
ether_post_init (devnum, hw_addr);
- for (i = 0; i < TEST_NUM; i++) {
- for (l = MIN_PACKET_LENGTH; l <= MAX_PACKET_LENGTH; l++) {
- packet_fill (packet_send, l);
+ for (l = MAX_PACKET_LENGTH; l >= MIN_PACKET_LENGTH;
+ l -= PACKET_INCR) {
+ packet_fill (packet_send, l);
- ether_post_send (devnum, hw_addr, packet_send, l);
+ ether_post_send (devnum, hw_addr, packet_send, l);
- length = ether_post_recv (devnum, hw_addr, packet_recv,
- sizeof (packet_recv));
+ length = ether_post_recv (devnum, hw_addr, packet_recv,
+ sizeof (packet_recv));
- if (length != l || packet_check (packet_recv, length) < 0) {
- goto Done;
- }
+ if (length != l || packet_check (packet_recv, length) < 0) {
+ goto Done;
}
}