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path: root/drivers/net/sfc/selftest.c
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Diffstat (limited to 'drivers/net/sfc/selftest.c')
-rw-r--r--drivers/net/sfc/selftest.c154
1 files changed, 86 insertions, 68 deletions
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 371e86cc090f..85f015f005d5 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -38,7 +38,7 @@ struct efx_loopback_payload {
struct udphdr udp;
__be16 iteration;
const char msg[64];
-} __attribute__ ((packed));
+} __packed;
/* Loopback test source MAC address */
static const unsigned char payload_source[ETH_ALEN] = {
@@ -123,7 +123,7 @@ static int efx_test_interrupts(struct efx_nic *efx,
{
struct efx_channel *channel;
- EFX_LOG(efx, "testing interrupts\n");
+ netif_dbg(efx, drv, efx->net_dev, "testing interrupts\n");
tests->interrupt = -1;
/* Reset interrupt flag */
@@ -142,16 +142,17 @@ static int efx_test_interrupts(struct efx_nic *efx,
efx_nic_generate_interrupt(efx);
/* Wait for arrival of test interrupt. */
- EFX_LOG(efx, "waiting for test interrupt\n");
+ netif_dbg(efx, drv, efx->net_dev, "waiting for test interrupt\n");
schedule_timeout_uninterruptible(HZ / 10);
if (efx->last_irq_cpu >= 0)
goto success;
- EFX_ERR(efx, "timed out waiting for interrupt\n");
+ netif_err(efx, drv, efx->net_dev, "timed out waiting for interrupt\n");
return -ETIMEDOUT;
success:
- EFX_LOG(efx, "%s test interrupt seen on CPU%d\n", INT_MODE(efx),
+ netif_dbg(efx, drv, efx->net_dev, "%s test interrupt seen on CPU%d\n",
+ INT_MODE(efx),
efx->last_irq_cpu);
tests->interrupt = 1;
return 0;
@@ -161,23 +162,18 @@ static int efx_test_interrupts(struct efx_nic *efx,
static int efx_test_eventq_irq(struct efx_channel *channel,
struct efx_self_tests *tests)
{
- unsigned int magic, count;
-
- /* Channel specific code, limited to 20 bits */
- magic = (0x00010150 + channel->channel);
- EFX_LOG(channel->efx, "channel %d testing event queue with code %x\n",
- channel->channel, magic);
+ struct efx_nic *efx = channel->efx;
+ unsigned int magic_count, count;
tests->eventq_dma[channel->channel] = -1;
tests->eventq_int[channel->channel] = -1;
tests->eventq_poll[channel->channel] = -1;
- /* Reset flag and zero magic word */
+ magic_count = channel->magic_count;
channel->efx->last_irq_cpu = -1;
- channel->eventq_magic = 0;
smp_wmb();
- efx_nic_generate_test_event(channel, magic);
+ efx_nic_generate_test_event(channel);
/* Wait for arrival of interrupt */
count = 0;
@@ -187,33 +183,36 @@ static int efx_test_eventq_irq(struct efx_channel *channel,
if (channel->work_pending)
efx_process_channel_now(channel);
- if (channel->eventq_magic == magic)
+ if (channel->magic_count != magic_count)
goto eventq_ok;
} while (++count < 2);
- EFX_ERR(channel->efx, "channel %d timed out waiting for event queue\n",
- channel->channel);
+ netif_err(efx, drv, efx->net_dev,
+ "channel %d timed out waiting for event queue\n",
+ channel->channel);
/* See if interrupt arrived */
if (channel->efx->last_irq_cpu >= 0) {
- EFX_ERR(channel->efx, "channel %d saw interrupt on CPU%d "
- "during event queue test\n", channel->channel,
- raw_smp_processor_id());
+ netif_err(efx, drv, efx->net_dev,
+ "channel %d saw interrupt on CPU%d "
+ "during event queue test\n", channel->channel,
+ raw_smp_processor_id());
tests->eventq_int[channel->channel] = 1;
}
/* Check to see if event was received even if interrupt wasn't */
efx_process_channel_now(channel);
- if (channel->eventq_magic == magic) {
- EFX_ERR(channel->efx, "channel %d event was generated, but "
- "failed to trigger an interrupt\n", channel->channel);
+ if (channel->magic_count != magic_count) {
+ netif_err(efx, drv, efx->net_dev,
+ "channel %d event was generated, but "
+ "failed to trigger an interrupt\n", channel->channel);
tests->eventq_dma[channel->channel] = 1;
}
return -ETIMEDOUT;
eventq_ok:
- EFX_LOG(channel->efx, "channel %d event queue passed\n",
- channel->channel);
+ netif_dbg(efx, drv, efx->net_dev, "channel %d event queue passed\n",
+ channel->channel);
tests->eventq_dma[channel->channel] = 1;
tests->eventq_int[channel->channel] = 1;
tests->eventq_poll[channel->channel] = 1;
@@ -266,51 +265,57 @@ void efx_loopback_rx_packet(struct efx_nic *efx,
/* Check that header exists */
if (pkt_len < sizeof(received->header)) {
- EFX_ERR(efx, "saw runt RX packet (length %d) in %s loopback "
- "test\n", pkt_len, LOOPBACK_MODE(efx));
+ netif_err(efx, drv, efx->net_dev,
+ "saw runt RX packet (length %d) in %s loopback "
+ "test\n", pkt_len, LOOPBACK_MODE(efx));
goto err;
}
/* Check that the ethernet header exists */
if (memcmp(&received->header, &payload->header, ETH_HLEN) != 0) {
- EFX_ERR(efx, "saw non-loopback RX packet in %s loopback test\n",
- LOOPBACK_MODE(efx));
+ netif_err(efx, drv, efx->net_dev,
+ "saw non-loopback RX packet in %s loopback test\n",
+ LOOPBACK_MODE(efx));
goto err;
}
/* Check packet length */
if (pkt_len != sizeof(*payload)) {
- EFX_ERR(efx, "saw incorrect RX packet length %d (wanted %d) in "
- "%s loopback test\n", pkt_len, (int)sizeof(*payload),
- LOOPBACK_MODE(efx));
+ netif_err(efx, drv, efx->net_dev,
+ "saw incorrect RX packet length %d (wanted %d) in "
+ "%s loopback test\n", pkt_len, (int)sizeof(*payload),
+ LOOPBACK_MODE(efx));
goto err;
}
/* Check that IP header matches */
if (memcmp(&received->ip, &payload->ip, sizeof(payload->ip)) != 0) {
- EFX_ERR(efx, "saw corrupted IP header in %s loopback test\n",
- LOOPBACK_MODE(efx));
+ netif_err(efx, drv, efx->net_dev,
+ "saw corrupted IP header in %s loopback test\n",
+ LOOPBACK_MODE(efx));
goto err;
}
/* Check that msg and padding matches */
if (memcmp(&received->msg, &payload->msg, sizeof(received->msg)) != 0) {
- EFX_ERR(efx, "saw corrupted RX packet in %s loopback test\n",
- LOOPBACK_MODE(efx));
+ netif_err(efx, drv, efx->net_dev,
+ "saw corrupted RX packet in %s loopback test\n",
+ LOOPBACK_MODE(efx));
goto err;
}
/* Check that iteration matches */
if (received->iteration != payload->iteration) {
- EFX_ERR(efx, "saw RX packet from iteration %d (wanted %d) in "
- "%s loopback test\n", ntohs(received->iteration),
- ntohs(payload->iteration), LOOPBACK_MODE(efx));
+ netif_err(efx, drv, efx->net_dev,
+ "saw RX packet from iteration %d (wanted %d) in "
+ "%s loopback test\n", ntohs(received->iteration),
+ ntohs(payload->iteration), LOOPBACK_MODE(efx));
goto err;
}
/* Increase correct RX count */
- EFX_TRACE(efx, "got loopback RX in %s loopback test\n",
- LOOPBACK_MODE(efx));
+ netif_vdbg(efx, drv, efx->net_dev,
+ "got loopback RX in %s loopback test\n", LOOPBACK_MODE(efx));
atomic_inc(&state->rx_good);
return;
@@ -318,10 +323,10 @@ void efx_loopback_rx_packet(struct efx_nic *efx,
err:
#ifdef EFX_ENABLE_DEBUG
if (atomic_read(&state->rx_bad) == 0) {
- EFX_ERR(efx, "received packet:\n");
+ netif_err(efx, drv, efx->net_dev, "received packet:\n");
print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 0x10, 1,
buf_ptr, pkt_len, 0);
- EFX_ERR(efx, "expected packet:\n");
+ netif_err(efx, drv, efx->net_dev, "expected packet:\n");
print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 0x10, 1,
&state->payload, sizeof(state->payload), 0);
}
@@ -402,9 +407,11 @@ static int efx_begin_loopback(struct efx_tx_queue *tx_queue)
netif_tx_unlock_bh(efx->net_dev);
if (rc != NETDEV_TX_OK) {
- EFX_ERR(efx, "TX queue %d could not transmit packet %d "
- "of %d in %s loopback test\n", tx_queue->queue,
- i + 1, state->packet_count, LOOPBACK_MODE(efx));
+ netif_err(efx, drv, efx->net_dev,
+ "TX queue %d could not transmit packet %d of "
+ "%d in %s loopback test\n", tx_queue->queue,
+ i + 1, state->packet_count,
+ LOOPBACK_MODE(efx));
/* Defer cleaning up the other skbs for the caller */
kfree_skb(skb);
@@ -460,20 +467,22 @@ static int efx_end_loopback(struct efx_tx_queue *tx_queue,
/* Don't free the skbs; they will be picked up on TX
* overflow or channel teardown.
*/
- EFX_ERR(efx, "TX queue %d saw only %d out of an expected %d "
- "TX completion events in %s loopback test\n",
- tx_queue->queue, tx_done, state->packet_count,
- LOOPBACK_MODE(efx));
+ netif_err(efx, drv, efx->net_dev,
+ "TX queue %d saw only %d out of an expected %d "
+ "TX completion events in %s loopback test\n",
+ tx_queue->queue, tx_done, state->packet_count,
+ LOOPBACK_MODE(efx));
rc = -ETIMEDOUT;
/* Allow to fall through so we see the RX errors as well */
}
/* We may always be up to a flush away from our desired packet total */
if (rx_good != state->packet_count) {
- EFX_LOG(efx, "TX queue %d saw only %d out of an expected %d "
- "received packets in %s loopback test\n",
- tx_queue->queue, rx_good, state->packet_count,
- LOOPBACK_MODE(efx));
+ netif_dbg(efx, drv, efx->net_dev,
+ "TX queue %d saw only %d out of an expected %d "
+ "received packets in %s loopback test\n",
+ tx_queue->queue, rx_good, state->packet_count,
+ LOOPBACK_MODE(efx));
rc = -ETIMEDOUT;
/* Fall through */
}
@@ -505,9 +514,10 @@ efx_test_loopback(struct efx_tx_queue *tx_queue,
return -ENOMEM;
state->flush = false;
- EFX_LOG(efx, "TX queue %d testing %s loopback with %d "
- "packets\n", tx_queue->queue, LOOPBACK_MODE(efx),
- state->packet_count);
+ netif_dbg(efx, drv, efx->net_dev,
+ "TX queue %d testing %s loopback with %d packets\n",
+ tx_queue->queue, LOOPBACK_MODE(efx),
+ state->packet_count);
efx_iterate_state(efx);
begin_rc = efx_begin_loopback(tx_queue);
@@ -531,9 +541,10 @@ efx_test_loopback(struct efx_tx_queue *tx_queue,
}
}
- EFX_LOG(efx, "TX queue %d passed %s loopback test with a burst length "
- "of %d packets\n", tx_queue->queue, LOOPBACK_MODE(efx),
- state->packet_count);
+ netif_dbg(efx, drv, efx->net_dev,
+ "TX queue %d passed %s loopback test with a burst length "
+ "of %d packets\n", tx_queue->queue, LOOPBACK_MODE(efx),
+ state->packet_count);
return 0;
}
@@ -545,7 +556,7 @@ efx_test_loopback(struct efx_tx_queue *tx_queue,
static int efx_wait_for_link(struct efx_nic *efx)
{
struct efx_link_state *link_state = &efx->link_state;
- int count;
+ int count, link_up_count = 0;
bool link_up;
for (count = 0; count < 40; count++) {
@@ -567,8 +578,12 @@ static int efx_wait_for_link(struct efx_nic *efx)
link_up = !efx->mac_op->check_fault(efx);
mutex_unlock(&efx->mac_lock);
- if (link_up)
- return 0;
+ if (link_up) {
+ if (++link_up_count == 2)
+ return 0;
+ } else {
+ link_up_count = 0;
+ }
}
return -ETIMEDOUT;
@@ -604,15 +619,17 @@ static int efx_test_loopbacks(struct efx_nic *efx, struct efx_self_tests *tests,
rc = __efx_reconfigure_port(efx);
mutex_unlock(&efx->mac_lock);
if (rc) {
- EFX_ERR(efx, "unable to move into %s loopback\n",
- LOOPBACK_MODE(efx));
+ netif_err(efx, drv, efx->net_dev,
+ "unable to move into %s loopback\n",
+ LOOPBACK_MODE(efx));
goto out;
}
rc = efx_wait_for_link(efx);
if (rc) {
- EFX_ERR(efx, "loopback %s never came up\n",
- LOOPBACK_MODE(efx));
+ netif_err(efx, drv, efx->net_dev,
+ "loopback %s never came up\n",
+ LOOPBACK_MODE(efx));
goto out;
}
@@ -720,7 +737,8 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
rc_reset = rc;
if (rc_reset) {
- EFX_ERR(efx, "Unable to recover from chip test\n");
+ netif_err(efx, drv, efx->net_dev,
+ "Unable to recover from chip test\n");
efx_schedule_reset(efx, RESET_TYPE_DISABLE);
return rc_reset;
}