/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
* Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2009 Solarflare Communications Inc.
+ * Copyright 2006-2010 Solarflare Communications Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
static int efx_test_interrupts(struct efx_nic *efx,
struct efx_self_tests *tests)
{
- struct efx_channel *channel;
-
netif_dbg(efx, drv, efx->net_dev, "testing interrupts\n");
tests->interrupt = -1;
efx->last_irq_cpu = -1;
smp_wmb();
- /* ACK each interrupting event queue. Receiving an interrupt due to
- * traffic before a test event is raised is considered a pass */
- efx_for_each_channel(channel, efx) {
- if (channel->work_pending)
- efx_process_channel_now(channel);
- if (efx->last_irq_cpu >= 0)
- goto success;
- }
-
efx_nic_generate_interrupt(efx);
/* Wait for arrival of test interrupt. */
struct efx_self_tests *tests)
{
struct efx_nic *efx = channel->efx;
- unsigned int magic_count, count;
+ unsigned int read_ptr, count;
tests->eventq_dma[channel->channel] = -1;
tests->eventq_int[channel->channel] = -1;
tests->eventq_poll[channel->channel] = -1;
- magic_count = channel->magic_count;
+ read_ptr = channel->eventq_read_ptr;
channel->efx->last_irq_cpu = -1;
smp_wmb();
do {
schedule_timeout_uninterruptible(HZ / 100);
- if (channel->work_pending)
- efx_process_channel_now(channel);
-
- if (channel->magic_count != magic_count)
+ if (ACCESS_ONCE(channel->eventq_read_ptr) != read_ptr)
goto eventq_ok;
} while (++count < 2);
}
/* Check to see if event was received even if interrupt wasn't */
- efx_process_channel_now(channel);
- if (channel->magic_count != magic_count) {
+ if (efx_nic_event_present(channel)) {
netif_err(efx, drv, efx->net_dev,
"channel %d event was generated, but "
"failed to trigger an interrupt\n", channel->channel);
goto out;
}
- /* Test both types of TX queue */
+ /* Test all enabled types of TX queue */
efx_for_each_channel_tx_queue(tx_queue, channel) {
state->offload_csum = (tx_queue->queue &
EFX_TXQ_TYPE_OFFLOAD);
__efx_reconfigure_port(efx);
mutex_unlock(&efx->mac_lock);
+ netif_tx_wake_all_queues(efx->net_dev);
+
return rc_test;
}