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Date: Thu, 25 Dec 2008 03:40:13 +0000
From: Ben Hutchings <bhutchings@...arflare.com>
To: David Miller <davem@...emloft.net>
Cc: netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: [PATCH 4/8] sfc: Merge top-level functions for self-tests
Pass in ethtool test flags to determine which tests to run.
Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>
---
drivers/net/sfc/ethtool.c | 19 +++--------
drivers/net/sfc/selftest.c | 76 +++++++++++++++++++++++---------------------
drivers/net/sfc/selftest.h | 8 ++---
3 files changed, 48 insertions(+), 55 deletions(-)
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 3aaece6..7fa2844 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -487,7 +487,7 @@ static void efx_ethtool_self_test(struct net_device *net_dev,
{
struct efx_nic *efx = netdev_priv(net_dev);
struct efx_self_tests efx_tests;
- int offline, already_up;
+ int already_up;
int rc;
ASSERT_RTNL();
@@ -507,24 +507,15 @@ static void efx_ethtool_self_test(struct net_device *net_dev,
}
memset(&efx_tests, 0, sizeof(efx_tests));
- offline = (test->flags & ETH_TEST_FL_OFFLINE);
- /* Perform online self tests first */
- rc = efx_online_test(efx, &efx_tests);
- if (rc)
- goto out;
-
- /* Perform offline tests only if online tests passed */
- if (offline)
- rc = efx_offline_test(efx, &efx_tests,
- efx->loopback_modes);
+ rc = efx_selftest(efx, &efx_tests, test->flags);
- out:
if (!already_up)
dev_close(efx->net_dev);
- EFX_LOG(efx, "%s all %sline self-tests\n",
- rc == 0 ? "passed" : "failed", offline ? "off" : "on");
+ EFX_LOG(efx, "%s %sline self-tests\n",
+ rc == 0 ? "passed" : "failed",
+ (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
fail2:
fail1:
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 7813ab3..d10f6fb 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -653,47 +653,48 @@ static int efx_test_loopbacks(struct efx_nic *efx, struct efx_self_tests *tests,
/**************************************************************************
*
- * Entry points
+ * Entry point
*
*************************************************************************/
-/* Online (i.e. non-disruptive) testing
- * This checks interrupt generation, event delivery and PHY presence. */
-int efx_online_test(struct efx_nic *efx, struct efx_self_tests *tests)
+int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
+ unsigned flags)
{
+ enum efx_loopback_mode loopback_mode = efx->loopback_mode;
+ int phy_mode = efx->phy_mode;
+ struct ethtool_cmd ecmd;
struct efx_channel *channel;
- int rc, rc2 = 0;
+ int rc_test = 0, rc_reset = 0, rc;
+
+ /* Online (i.e. non-disruptive) testing
+ * This checks interrupt generation, event delivery and PHY presence. */
rc = efx_test_mii(efx, tests);
- if (rc && !rc2)
- rc2 = rc;
+ if (rc && !rc_test)
+ rc_test = rc;
rc = efx_test_nvram(efx, tests);
- if (rc && !rc2)
- rc2 = rc;
+ if (rc && !rc_test)
+ rc_test = rc;
rc = efx_test_interrupts(efx, tests);
- if (rc && !rc2)
- rc2 = rc;
+ if (rc && !rc_test)
+ rc_test = rc;
efx_for_each_channel(channel, efx) {
rc = efx_test_eventq_irq(channel, tests);
- if (rc && !rc2)
- rc2 = rc;
+ if (rc && !rc_test)
+ rc_test = rc;
}
- return rc2;
-}
+ if (rc_test)
+ return rc_test;
-/* Offline (i.e. disruptive) testing
- * This checks MAC and PHY loopback on the specified port. */
-int efx_offline_test(struct efx_nic *efx,
- struct efx_self_tests *tests, unsigned int loopback_modes)
-{
- enum efx_loopback_mode loopback_mode = efx->loopback_mode;
- int phy_mode = efx->phy_mode;
- struct ethtool_cmd ecmd;
- int rc, rc2 = 0;
+ if (!(flags & ETH_TEST_FL_OFFLINE))
+ return 0;
+
+ /* Offline (i.e. disruptive) testing
+ * This checks MAC and PHY loopback on the specified port. */
/* force the carrier state off so the kernel doesn't transmit during
* the loopback test, and the watchdog timeout doesn't fire. Also put
@@ -717,31 +718,34 @@ int efx_offline_test(struct efx_nic *efx,
efx_reset_down(efx, &ecmd);
rc = efx_test_chip(efx, tests);
- if (rc && !rc2)
- rc2 = rc;
+ if (rc && !rc_test)
+ rc_test = rc;
/* reset the chip to recover from the register test */
- rc = falcon_reset_hw(efx, RESET_TYPE_ALL);
+ rc_reset = falcon_reset_hw(efx, RESET_TYPE_ALL);
/* 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, &ecmd, rc == 0);
- if (rc) {
+ rc = efx_reset_up(efx, &ecmd, rc_reset == 0);
+ if (rc && !rc_reset)
+ rc_reset = rc;
+
+ if (rc_reset) {
EFX_ERR(efx, "Unable to recover from chip test\n");
efx_schedule_reset(efx, RESET_TYPE_DISABLE);
- return rc;
+ return rc_reset;
}
rc = efx_test_phy(efx, tests);
- if (rc && !rc2)
- rc2 = rc;
+ if (rc && !rc_test)
+ rc_test = rc;
- rc = efx_test_loopbacks(efx, tests, loopback_modes);
- if (rc && !rc2)
- rc2 = rc;
+ rc = efx_test_loopbacks(efx, tests, efx->loopback_modes);
+ if (rc && !rc_test)
+ rc_test = rc;
/* restore the PHY to the previous state */
efx->loopback_mode = loopback_mode;
@@ -749,6 +753,6 @@ int efx_offline_test(struct efx_nic *efx,
efx->port_inhibited = false;
efx_ethtool_set_settings(efx->net_dev, &ecmd);
- return rc2;
+ return rc_test;
}
diff --git a/drivers/net/sfc/selftest.h b/drivers/net/sfc/selftest.h
index 252f7d7..97d6acc 100644
--- a/drivers/net/sfc/selftest.h
+++ b/drivers/net/sfc/selftest.h
@@ -44,10 +44,8 @@ struct efx_self_tests {
extern void efx_loopback_rx_packet(struct efx_nic *efx,
const char *buf_ptr, int pkt_len);
-extern int efx_online_test(struct efx_nic *efx,
- struct efx_self_tests *tests);
-extern int efx_offline_test(struct efx_nic *efx,
- struct efx_self_tests *tests,
- unsigned int loopback_modes);
+extern int efx_selftest(struct efx_nic *efx,
+ struct efx_self_tests *tests,
+ unsigned flags);
#endif /* EFX_SELFTEST_H */
--
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
--
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