* [dpdk-dev] [Bug 24] Ixgbe driver sets unknown bit of the 82599's SW_FW_SYNC register
@ 2018-04-01 12:55 bugzilla
0 siblings, 0 replies; only message in thread
From: bugzilla @ 2018-04-01 12:55 UTC (permalink / raw)
To: dev
https://dpdk.org/tracker/show_bug.cgi?id=24
Bug ID: 24
Summary: Ixgbe driver sets unknown bit of the 82599's
SW_FW_SYNC register
Product: DPDK
Version: unspecified
Hardware: All
OS: All
Status: CONFIRMED
Severity: minor
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: solal.pirelli@gmail.com
Target Milestone: ---
The Intel 82599 data sheet
(https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/82599-10-gbe-controller-datasheet.pdf,
§8.2.3.4.11) lists the bits of the SW_FW_SYNC (a.k.a. GSSR) register. Notably,
there are only 10 used bits, none of which are management-related.
The ixgbe driver attempts to set bit 10 in ixgbe_swfw_lock_reset
(http://dpdk.org/browse/dpdk/tree/drivers/net/ixgbe/ixgbe_ethdev.c?h=v18.02#n1087),
which does not exist on the 82599.
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