Hi,
> -----Original Message-----
> From: Jiawei Wang <jiaw...@nvidia.com>
> Sent: Wednesday, October 11, 2023 2:42 PM
> To: Suanming Mou <suanmi...@nvidia.com>; Xueming(Steven) Li
> <xuemi...@nvidia.com>; Slava Ovsiienko <viachesl...@nvidia.com>
> Cc: dev@dpdk.org; Raslan Darawsheh <rasl...@nvidia.com>
> Subject: [PATCH] net/mlx5: support no host PF configuration
>
> External email: Use caution opening links or attachments
>
>
> From: Xueming Li <xuemi...@nvidia.com>
>
> In BlueField, a new firmware configuration option NUM_OF_PF=0 disables PF
> on the x86 host side, no HPF on the ARM side, and the only RDMA port on
> the ARM side is the bonding device(PF0). A device probe with devargs of
> representor=pf[0-1]vf[...] will probe PF0 and PF1 one by one, and it's
> possible that PF1 device scan results in no switch ports.
>
> This patch supports the new configuration by allowing a PF scan with empty
> switch ports.
>
> Signed-off-by: Xueming Li <xuemi...@nvidia.com>
> Signed-off-by: Jiawei Wang <jiaw...@nvidia.com>
> ---
> drivers/net/mlx5/linux/mlx5_os.c | 7 -------
> 1 file changed, 7 deletions(-)
>
> diff --git a/drivers/net/mlx5/linux/mlx5_os.c
> b/drivers/net/mlx5/linux/mlx5_os.c
> index d5ef695e6d..75f53ade8e 100644
> --- a/drivers/net/mlx5/linux/mlx5_os.c
> +++ b/drivers/net/mlx5/linux/mlx5_os.c
> @@ -2195,13 +2195,6 @@ mlx5_os_pci_probe_pf(struct mlx5_common_device
> *cdev,
> list[ns].info.master))
> ns++;
> }
> - if (!ns) {
> - DRV_LOG(ERR,
> - "Unable to recognize master/representors
> on the IB device with multiple ports.");
> - rte_errno = ENOENT;
> - ret = -rte_errno;
> - goto exit;
> - }
> } else {
> /*
> * The existence of several matching entries (nd > 1)
> means
> --
Acked-by: Bing Zhao <bi...@nvidia.com>
Thanks
> 2.18.1
