[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>
Thu, 10 Apr 2025 19:32:42 +0000 (21:32 +0200)
commit9e9adb3c23c6a17f7a9cd032c9862140ffc337ba
treef71ee3a97ab06b63f89d00dfa36ec2121e902300
parentce3502b285ffc77b79d5e92171f4cfb50d0ef297
[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