[net-next 09/16] i40e: Fix comment for ethtool diagnostic link test
From: Jeff Kirsher <hidden>
Date: 2015-08-20 00:58:10
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Greg Rose <redacted> 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 <redacted> Signed-off-by: Greg Rose <redacted> Tested-by: Andrew Bowers <redacted> Signed-off-by: Jeff Kirsher <redacted> --- drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 8 +++++--- 1 file 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;
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2.4.3