[PATCH 27/44] net: mana: Use the correct WQE count for ringing RQ doorbell
authorLong Li <longli@microsoft.com>
Mon, 17 Jul 2023 19:35:39 +0000 (12:35 -0700)
committerSalvatore Bonaccorso <carnil@debian.org>
Wed, 7 May 2025 15:10:56 +0000 (17:10 +0200)
commit3d6c9ac78334af8f622537188779324e27fb4c33
treec2efe16c78e0986cb487cc9fb587c14c69b7026d
parent5f2c02b467a7d0caa19bfb96940e1102ea163f26
[PATCH 27/44] net: mana: Use the correct WQE count for ringing RQ doorbell

The hardware specification specifies that WQE_COUNT should set to 0 for
the Receive Queue. Although currently the hardware doesn't enforce the
check, in the future releases it may check on this value.

Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1689622539-5334-3-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
(cherry picked from commit f5e39b57124fd4715d7f0e2f841b8609b38f3e40)
Signed-off-by: Bastian Blank <waldi@debian.org>
Gbp-Pq: Topic features/all/ethernet-microsoft
Gbp-Pq: Name 0027-net-mana-Use-the-correct-WQE-count-for-ringing-RQ-do.patch
drivers/net/ethernet/microsoft/mana/gdma_main.c