/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
* Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2008 Solarflare Communications Inc.
+ * Copyright 2006-2009 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
#include <asm/io.h>
#include "net_driver.h"
#include "efx.h"
-#include "falcon.h"
+#include "nic.h"
#include "selftest.h"
#include "workarounds.h"
#include "spi.h"
}
if (EFX_IS10G(efx)) {
- rc = efx_mdio_check_mmds(efx, efx->phy_op->mmds, 0);
+ rc = efx_mdio_check_mmds(efx, efx->mdio.mmds, 0);
if (rc)
goto out;
}
static int efx_test_nvram(struct efx_nic *efx, struct efx_self_tests *tests)
{
- int rc;
+ int rc = 0;
+
+ if (efx->type->test_nvram) {
+ rc = efx->type->test_nvram(efx);
+ tests->nvram = rc ? -1 : 1;
+ }
- rc = falcon_read_nvram(efx, NULL);
- tests->nvram = rc ? -1 : 1;
return rc;
}
static int efx_test_chip(struct efx_nic *efx, struct efx_self_tests *tests)
{
- int rc;
+ int rc = 0;
- /* Not supported on A-series silicon */
- if (efx_nic_rev(efx) < EFX_REV_FALCON_B0)
- return 0;
+ /* Test register access */
+ if (efx->type->test_registers) {
+ rc = efx->type->test_registers(efx);
+ tests->registers = rc ? -1 : 1;
+ }
- rc = falcon_test_registers(efx);
- tests->registers = rc ? -1 : 1;
return rc;
}
goto success;
}
- falcon_generate_interrupt(efx);
+ efx_nic_generate_interrupt(efx);
/* Wait for arrival of test interrupt. */
EFX_LOG(efx, "waiting for test interrupt\n");
channel->eventq_magic = 0;
smp_wmb();
- falcon_generate_test_event(channel, magic);
+ efx_nic_generate_test_event(channel, magic);
/* Wait for arrival of interrupt */
count = 0;
if (!efx->phy_op->run_tests)
return 0;
- EFX_BUG_ON_PARANOID(efx->phy_op->num_tests == 0 ||
- efx->phy_op->num_tests > EFX_MAX_PHY_TESTS);
-
mutex_lock(&efx->mac_lock);
rc = efx->phy_op->run_tests(efx, tests->phy, flags);
mutex_unlock(&efx->mac_lock);
return 0;
}
+/* Wait for link up. On Falcon, we would prefer to rely on efx_monitor, but
+ * any contention on the mac lock (via e.g. efx_mac_mcast_work) causes it
+ * to delay and retry. Therefore, it's safer to just poll directly. Wait
+ * for link up and any faults to dissipate. */
+static int efx_wait_for_link(struct efx_nic *efx)
+{
+ struct efx_link_state *link_state = &efx->link_state;
+ int count;
+ bool link_up;
+
+ for (count = 0; count < 40; count++) {
+ schedule_timeout_uninterruptible(HZ / 10);
+
+ if (efx->type->monitor != NULL) {
+ mutex_lock(&efx->mac_lock);
+ efx->type->monitor(efx);
+ mutex_unlock(&efx->mac_lock);
+ } else {
+ struct efx_channel *channel = &efx->channel[0];
+ if (channel->work_pending)
+ efx_process_channel_now(channel);
+ }
+
+ mutex_lock(&efx->mac_lock);
+ link_up = link_state->up;
+ if (link_up)
+ link_up = !efx->mac_op->check_fault(efx);
+ mutex_unlock(&efx->mac_lock);
+
+ if (link_up)
+ return 0;
+ }
+
+ return -ETIMEDOUT;
+}
+
static int efx_test_loopbacks(struct efx_nic *efx, struct efx_self_tests *tests,
unsigned int loopback_modes)
{
enum efx_loopback_mode mode;
struct efx_loopback_state *state;
struct efx_tx_queue *tx_queue;
- bool link_up;
- int count, rc = 0;
+ int rc = 0;
/* Set the port loopback_selftest member. From this point on
* all received packets will be dropped. Mark the state as
/* Move the port into the specified loopback mode. */
state->flush = true;
+ mutex_lock(&efx->mac_lock);
efx->loopback_mode = mode;
- efx_reconfigure_port(efx);
-
- /* Wait for the PHY to signal the link is up. Interrupts
- * are enabled for PHY's using LASI, otherwise we poll()
- * quickly */
- count = 0;
- do {
- struct efx_channel *channel = &efx->channel[0];
-
- efx->phy_op->poll(efx);
- schedule_timeout_uninterruptible(HZ / 10);
- if (channel->work_pending)
- efx_process_channel_now(channel);
- /* Wait for PHY events to be processed */
- flush_workqueue(efx->workqueue);
- rmb();
-
- /* We need both the PHY and MAC-PHY links to be OK */
- link_up = efx->link_state.up;
- if (link_up)
- link_up = !efx->mac_op->check_fault(efx);
-
- } while ((++count < 20) && !link_up);
+ 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));
+ goto out;
+ }
- /* The link should now be up. If it isn't, there is no point
- * in attempting a loopback test */
- if (!link_up) {
+ rc = efx_wait_for_link(efx);
+ if (rc) {
EFX_ERR(efx, "loopback %s never came up\n",
LOOPBACK_MODE(efx));
- rc = -EIO;
goto out;
}
- EFX_LOG(efx, "link came up in %s loopback in %d iterations\n",
- LOOPBACK_MODE(efx), count);
-
/* Test every TX queue */
efx_for_each_tx_queue(tx_queue, efx) {
state->offload_csum = (tx_queue->queue ==
enum efx_loopback_mode loopback_mode = efx->loopback_mode;
int phy_mode = efx->phy_mode;
enum reset_type reset_method = RESET_TYPE_INVISIBLE;
- struct ethtool_cmd ecmd;
struct efx_channel *channel;
int rc_test = 0, rc_reset = 0, rc;
mutex_unlock(&efx->mac_lock);
/* free up all consumers of SRAM (including all the queues) */
- efx_reset_down(efx, reset_method, &ecmd);
+ efx_reset_down(efx, reset_method);
rc = efx_test_chip(efx, tests);
if (rc && !rc_test)
rc_test = rc;
/* reset the chip to recover from the register test */
- rc_reset = falcon_reset_hw(efx, reset_method);
+ rc_reset = efx->type->reset(efx, reset_method);
/* Ensure that the phy is powered and out of loopback
* for the bist and loopback tests */
efx->phy_mode &= ~PHY_MODE_LOW_POWER;
efx->loopback_mode = LOOPBACK_NONE;
- rc = efx_reset_up(efx, reset_method, &ecmd, rc_reset == 0);
+ rc = efx_reset_up(efx, reset_method, rc_reset == 0);
if (rc && !rc_reset)
rc_reset = rc;
rc_test = rc;
/* restore the PHY to the previous state */
- efx->loopback_mode = loopback_mode;
+ mutex_lock(&efx->mac_lock);
efx->phy_mode = phy_mode;
efx->port_inhibited = false;
- efx_ethtool_set_settings(efx->net_dev, &ecmd);
+ efx->loopback_mode = loopback_mode;
+ __efx_reconfigure_port(efx);
+ mutex_unlock(&efx->mac_lock);
return rc_test;
}
git.openpandora.org / pandora-kernel.git / blobdiff