RE: [Patch v5 09/12] net: mana: Define max values for SGL entries
From: Haiyang Zhang <haiyangz@microsoft.com>
Date: 2022-09-20 22:08:02
Also in:
linux-hyperv, linux-rdma, lkml
-----Original Message----- From: longli@linuxonhyperv.com <redacted> Sent: Tuesday, August 30, 2022 8:34 PM To: KY Srinivasan <kys@microsoft.com>; Haiyang Zhang [off-list ref]; Stephen Hemminger [off-list ref]; Wei Liu [off-list ref]; Dexuan Cui [off-list ref]; David S. Miller [off-list ref]; Jakub Kicinski [off-list ref]; Paolo Abeni [off-list ref]; Jason Gunthorpe [off-list ref]; Leon Romanovsky [off-list ref]; edumazet@google.com; shiraz.saleem@intel.com; Ajay Sharma [off-list ref] Cc: linux-hyperv@vger.kernel.org; netdev@vger.kernel.org; linux- kernel@vger.kernel.org; linux-rdma@vger.kernel.org; Long Li [off-list ref] Subject: [Patch v5 09/12] net: mana: Define max values for SGL entries From: Long Li <longli@microsoft.com> The number of maximum SGl entries should be computed from the maximum WQE size for the intended queue type and the corresponding OOB data size. This guarantees the hardware queue can successfully queue requests up to the queue depth exposed to the upper layer. Reviewed-by: Dexuan Cui <decui@microsoft.com> Signed-off-by: Long Li <longli@microsoft.com>
Acked-by: Haiyang Zhang <haiyangz@microsoft.com>