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i40evf: fix oops in watchdog handler

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The Tx watchdog handler runs in interrupt context, so it would cause an
oops when sending an admin queue message to request a reset, because the
admin queue functions use spinlocks.

Instead, set a flag and let the reset task handle sending the request.

Change-ID: I65879470b72963d9c308edfb8f45ac4fbba2c14f
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Mitch Williams
2014-03-06 08:59:56 +00:00
committed by Jeff Kirsher
parent ce806783bd
commit 3526d8005f
2 changed files with 8 additions and 3 deletions
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drivers/net/ethernet/intel/i40evf/i40evf.h
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@@ -211,6 +211,7 @@ struct i40evf_adapter {
#define I40EVF_FLAG_NEED_LINK_UPDATE (u32)(1 << 7)
#define I40EVF_FLAG_PF_COMMS_FAILED (u32)(1 << 8)
#define I40EVF_FLAG_RESET_PENDING (u32)(1 << 9)
#define I40EVF_FLAG_RESET_NEEDED (u32)(1 << 10)
/* duplcates for common code */
#define I40E_FLAG_FDIR_ATR_ENABLED 0
#define I40E_FLAG_DCB_ENABLED 0