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[netdrvr] sfc: sfc: Add self-test support

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Add a set of self-tests accessible thorugh ethtool.
Add hardware loopback and TX disable control code to support them.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Ben Hutchings
2008-05-07 13:36:19 +01:00
committed by Jeff Garzik
parent 05e3ec0446
commit 3273c2e8c6
14 changed files with 1379 additions and 7 deletions
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10
drivers/net/sfc/rx.c
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@@ -19,6 +19,7 @@
#include "rx.h"
#include "efx.h"
#include "falcon.h"
#include "selftest.h"
#include "workarounds.h"
/* Number of RX descriptors pushed at once. */
@@ -683,6 +684,15 @@ void __efx_rx_packet(struct efx_channel *channel,
struct sk_buff *skb;
int lro = efx->net_dev->features & NETIF_F_LRO;
/* If we're in loopback test, then pass the packet directly to the
* loopback layer, and free the rx_buf here
*/
if (unlikely(efx->loopback_selftest)) {
efx_loopback_rx_packet(efx, rx_buf->data, rx_buf->len);
efx_free_rx_buffer(efx, rx_buf);
goto done;
}
if (rx_buf->skb) {
prefetch(skb_shinfo(rx_buf->skb));