linux-kernel - Re: [PATCH iproute2-next 2/2] rdma: Add support to dump SRQ resource in raw format

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Message-ID: <20231009084406.GC5042@unreal>
Date:   Mon, 9 Oct 2023 11:44:06 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Junxian Huang <huangjunxian6@...ilicon.com>
Cc:     jgg@...pe.ca, dsahern@...il.com, stephen@...workplumber.org,
        netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        linuxarm@...wei.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH iproute2-next 2/2] rdma: Add support to dump SRQ resource
 in raw format

On Sat, Oct 07, 2023 at 11:58:55AM +0800, Junxian Huang wrote:
> From: wenglianfa <wenglianfa@...wei.com>
> 
> Add support to dump SRQ resource in raw format.
> 
> This patch relies on the corresponding kernel commit aebf8145e11a
> ("RDMA/core: Add support to dump SRQ resource in RAW format")
> 
> Example:
> $ rdma res show srq -r
> dev hns3 149000...
> 
> $ rdma res show srq -j -r
> [{"ifindex":0,"ifname":"hns3","data":[149,0,0,...]}]
> 
> Signed-off-by: wenglianfa <wenglianfa@...wei.com>
> ---
>  rdma/res-srq.c | 17 ++++++++++++++++-
>  rdma/res.h     |  2 ++
>  2 files changed, 18 insertions(+), 1 deletion(-)
> 
> diff --git a/rdma/res-srq.c b/rdma/res-srq.c
> index 186ae281..d2581a3f 100644
> --- a/rdma/res-srq.c
> +++ b/rdma/res-srq.c
> @@ -162,6 +162,20 @@ out:
>  	return -EINVAL;
>  }

<...>

>  static int res_srq_line(struct rd *rd, const char *name, int idx,
>  			struct nlattr **nla_line)
>  {
> @@ -276,7 +290,8 @@ int res_srq_parse_cb(const struct nlmsghdr *nlh, void *data)
>  		if (ret != MNL_CB_OK)
>  			break;
>  
> -		ret = res_srq_line(rd, name, idx, nla_line);
> +		ret = (rd->show_raw) ? res_srq_line_raw(rd, name, idx, nla_line) :
> +		       res_srq_line(rd, name, idx, nla_line);

You are missing same change in res_srq_idx_parse_cb(), see commit e2bbf737e61b ("rdma: Add support to get MR in raw format")
as an example.

Thanks

>  		if (ret != MNL_CB_OK)
>  			break;
>  	}
> diff --git a/rdma/res.h b/rdma/res.h
> index 70e51acd..e880c28b 100644
> --- a/rdma/res.h
> +++ b/rdma/res.h
> @@ -39,6 +39,8 @@ static inline uint32_t res_get_command(uint32_t command, struct rd *rd)
>  		return RDMA_NLDEV_CMD_RES_CQ_GET_RAW;
>  	case RDMA_NLDEV_CMD_RES_MR_GET:
>  		return RDMA_NLDEV_CMD_RES_MR_GET_RAW;
> +	case RDMA_NLDEV_CMD_RES_SRQ_GET:
> +		return RDMA_NLDEV_CMD_RES_SRQ_GET_RAW;
>  	default:
>  		return command;
>  	}
> -- 
> 2.30.0
>