在 2020/12/21 6:47, Rahul Lakkireddy 写道:
From: Karra Satwik <kaara.sat...@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.sat...@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkire...@chelsio.com> --- app/test-pmd/cmdline.c | 29 ++++++++++++++++++++--------- 1 file changed, 20 insertions(+), 9 deletions(-) diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index 2ccbaa039..d7a90d55e 100644 --- a/app/test-pmd/cmdline.c +++ b/app/test-pmd/cmdline.c @@ -16263,29 +16263,40 @@ 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; - int ret; + struct rte_eth_fec_capa *speed_fec_capa; + int num, ret;if (!rte_eth_dev_is_valid_port(res->cmd_pid)) {printf("Invalid port id %u\n", res->cmd_pid); return; }- ret = rte_eth_fec_get_capability(res->cmd_pid, speed_fec_capa, num);
Hi, the type of num is "unsigned int" in rte_eth_fec_get_capability, please keep in accordance with it.
+ 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 = ret; + speed_fec_capa = calloc(num, sizeof(*speed_fec_capa)); + if (!speed_fec_capa) { + 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 =
