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authorGreg Rose <gregory.v.rose@intel.com>2015-07-10 23:36:03 (GMT)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2015-08-26 21:58:26 (GMT)
commitb4e53f02d7356809acbab673e6c20773cf56dbd6 (patch)
treea61c1e36ba07305ecffed3a5f3f58ede3e3b8015 /drivers
parentfe860afb4638f5e62e7d861bfc35a1580fb633bb (diff)
downloadlinux-b4e53f02d7356809acbab673e6c20773cf56dbd6.tar.xz
i40e: Fix comment for ethtool diagnostic link test
The existing comment is incorrect. Add new comment to point out that the PF reset does not affect link but if the reset is changed to a different type that does affect link then the link test would need to be moved to before the reset. Change-ID: I28d786f46e9465860babdee61c1dba51016464df Reported-by: Jeremiah Kyle <jeremiah.kyle@intel.com> Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_ethtool.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 74c16a1..62824f5 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -1626,11 +1626,13 @@ static void i40e_diag_test(struct net_device *netdev,
/* indicate we're in test mode */
dev_close(netdev);
else
+ /* This reset does not affect link - if it is
+ * changed to a type of reset that does affect
+ * link then the following link test would have
+ * to be moved to before the reset
+ */
i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
- /* Link test performed before hardware reset
- * so autoneg doesn't interfere with test result
- */
if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
eth_test->flags |= ETH_TEST_FL_FAILED;