[dpdk-dev] [PATCH v3] app/testpmd: increase array for fetching supported FEC caps
Min Hu (Connor)
humin29 at huawei.com
Fri Dec 25 02:06:23 CET 2020
Acked-by: Min Hu (Connor) <humin29 at huawei.com>
在 2020/12/24 19:18, Rahul Lakkireddy 写道:
> From: Karra Satwik <kaara.satwik at chelsio.com>
>
> Request the driver for number of entries in the FEC caps
> array and then dynamically allocate the array.
>
> Signed-off-by: Karra Satwik <kaara.satwik at chelsio.com>
> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy at chelsio.com>
> Acked-by: Xiaoyun Li <xiaoyun.li at intel.com>
> ---
> v3:
> - Use unsigned int num, instead of int num
>
> v2:
> - Replace if (!speed_fec_capa) with if (speed_fec_capa == NULL)
>
> app/test-pmd/cmdline.c | 28 ++++++++++++++++++++--------
> 1 file changed, 20 insertions(+), 8 deletions(-)
>
> diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
> index 2ccbaa039..1dfad5df4 100644
> --- a/app/test-pmd/cmdline.c
> +++ b/app/test-pmd/cmdline.c
> @@ -16263,11 +16263,9 @@ cmd_show_fec_capability_parsed(void *parsed_result,
> __rte_unused struct cmdline *cl,
> __rte_unused void *data)
> {
> -#define FEC_CAP_NUM 2
> struct cmd_show_fec_capability_result *res = parsed_result;
> - struct rte_eth_fec_capa speed_fec_capa[FEC_CAP_NUM];
> - unsigned int num = FEC_CAP_NUM;
> - unsigned int ret_num;
> + struct rte_eth_fec_capa *speed_fec_capa;
> + unsigned int num;
> int ret;
>
> if (!rte_eth_dev_is_valid_port(res->cmd_pid)) {
> @@ -16275,17 +16273,31 @@ cmd_show_fec_capability_parsed(void *parsed_result,
> return;
> }
>
> - ret = rte_eth_fec_get_capability(res->cmd_pid, speed_fec_capa, num);
> + ret = rte_eth_fec_get_capability(res->cmd_pid, NULL, 0);
> if (ret == -ENOTSUP) {
> printf("Function not implemented\n");
> return;
> } else if (ret < 0) {
> - printf("Get FEC capability failed\n");
> + printf("Get FEC capability failed: %d\n", ret);
> + return;
> + }
> +
> + num = (unsigned int)ret;
> + speed_fec_capa = calloc(num, sizeof(*speed_fec_capa));
> + if (speed_fec_capa == NULL) {
> + printf("Failed to alloc FEC capability buffer\n");
> return;
> }
>
> - ret_num = (unsigned int)ret;
> - show_fec_capability(ret_num, speed_fec_capa);
> + ret = rte_eth_fec_get_capability(res->cmd_pid, speed_fec_capa, num);
> + if (ret < 0) {
> + printf("Error getting FEC capability: %d\n", ret);
> + goto out;
> + }
> +
> + show_fec_capability(num, speed_fec_capa);
> +out:
> + free(speed_fec_capa);
> }
>
> cmdline_parse_token_string_t cmd_show_fec_capability_show =
>
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