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igb: Explicitly label self-test result indices

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Previously, the ethtool self-test gstrings/data arrays were accessed via
hardcoded indices, which made the code difficult to follow. This patch
replaces the hardcoded values with enum-based labels.

Signed-off-by: Joe Schultz <jschultz@xes-inc.com>
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Joe Schultz 2015-11-03 12:37:29 -06:00 committed by Jeff Kirsher
parent 3627f8f1d1
commit d602de0593
1 changed files with 24 additions and 14 deletions
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38
drivers/net/ethernet/intel/igb/igb_ethtool.c
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@ -127,10 +127,20 @@ static const struct igb_stats igb_gstrings_net_stats[] = {
#define IGB_STATS_LEN \
(IGB_GLOBAL_STATS_LEN + IGB_NETDEV_STATS_LEN + IGB_QUEUE_STATS_LEN)
enum igb_diagnostics_results {
TEST_REG = 0,
TEST_EEP,
TEST_IRQ,
TEST_LOOP,
TEST_LINK
};
static const char igb_gstrings_test[][ETH_GSTRING_LEN] = {
"Register test (offline)", "Eeprom test (offline)",
"Interrupt test (offline)", "Loopback test (offline)",
"Link test (on/offline)"
[TEST_REG] = "Register test (offline)",
[TEST_EEP] = "Eeprom test (offline)",
[TEST_IRQ] = "Interrupt test (offline)",
[TEST_LOOP] = "Loopback test (offline)",
[TEST_LINK] = "Link test (on/offline)"
};
#define IGB_TEST_LEN (sizeof(igb_gstrings_test) / ETH_GSTRING_LEN)
@ -2002,7 +2012,7 @@ static void igb_diag_test(struct net_device *netdev,
/* Link test performed before hardware reset so autoneg doesn't
* interfere with test result
*/
if (igb_link_test(adapter, &data[4]))
if (igb_link_test(adapter, &data[TEST_LINK]))
eth_test->flags |= ETH_TEST_FL_FAILED;
if (if_running)
@ -2011,21 +2021,21 @@ static void igb_diag_test(struct net_device *netdev,
else
igb_reset(adapter);
if (igb_reg_test(adapter, &data[0]))
if (igb_reg_test(adapter, &data[TEST_REG]))
eth_test->flags |= ETH_TEST_FL_FAILED;
igb_reset(adapter);
if (igb_eeprom_test(adapter, &data[1]))
if (igb_eeprom_test(adapter, &data[TEST_EEP]))
eth_test->flags |= ETH_TEST_FL_FAILED;
igb_reset(adapter);
if (igb_intr_test(adapter, &data[2]))
if (igb_intr_test(adapter, &data[TEST_IRQ]))
eth_test->flags |= ETH_TEST_FL_FAILED;
igb_reset(adapter);
/* power up link for loopback test */
igb_power_up_link(adapter);
if (igb_loopback_test(adapter, &data[3]))
if (igb_loopback_test(adapter, &data[TEST_LOOP]))
eth_test->flags |= ETH_TEST_FL_FAILED;
/* restore speed, duplex, autoneg settings */
@ -2045,16 +2055,16 @@ static void igb_diag_test(struct net_device *netdev,
dev_info(&adapter->pdev->dev, "online testing starting\n");
/* PHY is powered down when interface is down */
if (if_running && igb_link_test(adapter, &data[4]))
if (if_running && igb_link_test(adapter, &data[TEST_LINK]))
eth_test->flags |= ETH_TEST_FL_FAILED;
else
data[4] = 0;
data[TEST_LINK] = 0;
/* Online tests aren't run; pass by default */
data[0] = 0;
data[1] = 0;
data[2] = 0;
data[3] = 0;
data[TEST_REG] = 0;
data[TEST_EEP] = 0;
data[TEST_IRQ] = 0;
data[TEST_LOOP] = 0;
clear_bit(__IGB_TESTING, &adapter->state);
}