diff options
author | Netanel Belgazal <netanel@amazon.com> | 2017-12-28 21:31:30 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2018-01-02 14:35:12 -0500 |
commit | 8510e1a3d16c7e4e2b47c9675b18725407c616b7 (patch) | |
tree | bb5285244774553c8ea08da5f24a89496d787e73 /drivers/net/ethernet/amazon/ena/ena_regs_defs.h | |
parent | acfbf3ca313edd550f0139fe70509cb3b0b38932 (diff) |
net: ena: add detection and recovery mechanism for handling missed/misrouted MSI-X
A mechanism for detection of stuck Rx/Tx rings due to missed or
misrouted interrupts.
Check if there are unhandled completion descriptors before the first
MSI-X interrupt arrived.
The check is per queue and per interrupt vector.
Once such condition is detected, driver and device reset is scheduled.
Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amazon/ena/ena_regs_defs.h')
-rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_regs_defs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_regs_defs.h b/drivers/net/ethernet/amazon/ena/ena_regs_defs.h index 9aec43c5bba8..48ca97fbe7bc 100644 --- a/drivers/net/ethernet/amazon/ena/ena_regs_defs.h +++ b/drivers/net/ethernet/amazon/ena/ena_regs_defs.h @@ -60,6 +60,8 @@ enum ena_regs_reset_reason_types { ENA_REGS_RESET_USER_TRIGGER = 12, ENA_REGS_RESET_GENERIC = 13, + + ENA_REGS_RESET_MISS_INTERRUPT = 14, }; /* ena_registers offsets */ |