idpf: fix LAN memory regions command on some NVMs

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[ Upstream commit 4af1f9a472 ]

IPU SDK versions 1.9 through 2.0.5 require send buffer to contain a single
empty memory region. Set number of regions to 1 and use appropriate send
buffer size to satisfy this requirement.

Fixes: 6aa53e861c ("idpf: implement get LAN MMIO memory regions")
Suggested-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Larysa Zaremba 2025-10-07 13:46:22 +02:00 • committed by Greg Kroah-Hartman

parent 3095228e13

commit 85230d7ab5

1 changed files with 5 additions and 0 deletions

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drivers/net/ethernet/intel/idpf/idpf_virtchnl.c

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