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net: mana: Define and process GDMA response code GDMA_STATUS_MORE_ENTRIES

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When doing memory registration, the PF may respond with
GDMA_STATUS_MORE_ENTRIES to indicate a follow request is needed. This is
not an error and should be processed as expected.

Signed-off-by: Ajay Sharma <sharmaajay@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1667502990-2559-10-git-send-email-longli@linuxonhyperv.com
Acked-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
This commit is contained in:
Ajay Sharma 2022-11-03 12:16:27 -07:00 • committed by Leon Romanovsky
parent aa56549792
commit de372f2a9c
2 changed files with 3 additions and 1 deletions
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2
drivers/net/ethernet/microsoft/mana/hw_channel.c
View file

@ -836,7 +836,7 @@ int mana_hwc_send_request(struct hw_channel_context *hwc, u32 req_len,
goto out;
}
if (ctx->status_code) {
if (ctx->status_code && ctx->status_code != GDMA_STATUS_MORE_ENTRIES) {
dev_err(hwc->dev, "HWC: Failed hw_channel req: 0x%x\n",
ctx->status_code);
err = -EPROTO;

2
include/net/mana/gdma.h
View file

@ -9,6 +9,8 @@
#include "shm_channel.h"
#define GDMA_STATUS_MORE_ENTRIES 0x00000105
/* Structures labeled with "HW DATA" are exchanged with the hardware. All of
* them are naturally aligned and hence don't need __packed.
*/