app/testpmd: add command to show/clear VF stats

Add two commands to show/clear VF stats
show vf stats <port_id> <vf_id>
clear vf stats <port_id> <vf_id>

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 57e48d0..2500d85 100644 (file)
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -217,6 +217,12 @@ static void cmd_help_long_parsed(void *parsed_result,
 
                        "ddp get list (port_id)\n"
                        "    Get ddp profile info list\n\n"
+
+                       "show vf stats (port_id) (vf_id)\n"
+                       "    Display a VF's statistics.\n\n"
+
+                       "clear vf stats (port_id) (vf_id)\n"
+                       "    Reset a VF's statistics.\n\n"
                );
        }
 
@@ -12972,6 +12978,190 @@ cmdline_parse_inst_t cmd_ddp_get_list = {
                NULL,
        },
 };
+
+/* show vf stats */
+
+/* Common result structure for show vf stats */
+struct cmd_show_vf_stats_result {
+       cmdline_fixed_string_t show;
+       cmdline_fixed_string_t vf;
+       cmdline_fixed_string_t stats;
+       uint8_t port_id;
+       uint16_t vf_id;
+};
+
+/* Common CLI fields show vf stats*/
+cmdline_parse_token_string_t cmd_show_vf_stats_show =
+       TOKEN_STRING_INITIALIZER
+               (struct cmd_show_vf_stats_result,
+                show, "show");
+cmdline_parse_token_string_t cmd_show_vf_stats_vf =
+       TOKEN_STRING_INITIALIZER
+               (struct cmd_show_vf_stats_result,
+                vf, "vf");
+cmdline_parse_token_string_t cmd_show_vf_stats_stats =
+       TOKEN_STRING_INITIALIZER
+               (struct cmd_show_vf_stats_result,
+                stats, "stats");
+cmdline_parse_token_num_t cmd_show_vf_stats_port_id =
+       TOKEN_NUM_INITIALIZER
+               (struct cmd_show_vf_stats_result,
+                port_id, UINT8);
+cmdline_parse_token_num_t cmd_show_vf_stats_vf_id =
+       TOKEN_NUM_INITIALIZER
+               (struct cmd_show_vf_stats_result,
+                vf_id, UINT16);
+
+static void
+cmd_show_vf_stats_parsed(
+       void *parsed_result,
+       __attribute__((unused)) struct cmdline *cl,
+       __attribute__((unused)) void *data)
+{
+       struct cmd_show_vf_stats_result *res = parsed_result;
+       struct rte_eth_stats stats;
+       int ret = -ENOTSUP;
+       static const char *nic_stats_border = "########################";
+
+       if (port_id_is_invalid(res->port_id, ENABLED_WARN))
+               return;
+
+       memset(&stats, 0, sizeof(stats));
+
+#ifdef RTE_LIBRTE_I40E_PMD
+       ret = rte_pmd_i40e_get_vf_stats(res->port_id,
+                                       res->vf_id,
+                                       &stats);
+#endif
+
+       switch (ret) {
+       case 0:
+               break;
+       case -EINVAL:
+               printf("invalid vf_id %d\n", res->vf_id);
+               break;
+       case -ENODEV:
+               printf("invalid port_id %d\n", res->port_id);
+               break;
+       case -ENOTSUP:
+               printf("function not implemented\n");
+               break;
+       default:
+               printf("programming error: (%s)\n", strerror(-ret));
+       }
+
+       printf("\n  %s NIC statistics for port %-2d vf %-2d %s\n",
+               nic_stats_border, res->port_id, res->vf_id, nic_stats_border);
+
+       printf("  RX-packets: %-10"PRIu64" RX-missed: %-10"PRIu64" RX-bytes:  "
+              "%-"PRIu64"\n",
+              stats.ipackets, stats.imissed, stats.ibytes);
+       printf("  RX-errors: %-"PRIu64"\n", stats.ierrors);
+       printf("  RX-nombuf:  %-10"PRIu64"\n",
+              stats.rx_nombuf);
+       printf("  TX-packets: %-10"PRIu64" TX-errors: %-10"PRIu64" TX-bytes:  "
+              "%-"PRIu64"\n",
+              stats.opackets, stats.oerrors, stats.obytes);
+
+       printf("  %s############################%s\n",
+                              nic_stats_border, nic_stats_border);
+}
+
+cmdline_parse_inst_t cmd_show_vf_stats = {
+       .f = cmd_show_vf_stats_parsed,
+       .data = NULL,
+       .help_str = "show vf stats <port_id> <vf_id>",
+       .tokens = {
+               (void *)&cmd_show_vf_stats_show,
+               (void *)&cmd_show_vf_stats_vf,
+               (void *)&cmd_show_vf_stats_stats,
+               (void *)&cmd_show_vf_stats_port_id,
+               (void *)&cmd_show_vf_stats_vf_id,
+               NULL,
+       },
+};
+
+/* clear vf stats */
+
+/* Common result structure for clear vf stats */
+struct cmd_clear_vf_stats_result {
+       cmdline_fixed_string_t clear;
+       cmdline_fixed_string_t vf;
+       cmdline_fixed_string_t stats;
+       uint8_t port_id;
+       uint16_t vf_id;
+};
+
+/* Common CLI fields clear vf stats*/
+cmdline_parse_token_string_t cmd_clear_vf_stats_clear =
+       TOKEN_STRING_INITIALIZER
+               (struct cmd_clear_vf_stats_result,
+                clear, "clear");
+cmdline_parse_token_string_t cmd_clear_vf_stats_vf =
+       TOKEN_STRING_INITIALIZER
+               (struct cmd_clear_vf_stats_result,
+                vf, "vf");
+cmdline_parse_token_string_t cmd_clear_vf_stats_stats =
+       TOKEN_STRING_INITIALIZER
+               (struct cmd_clear_vf_stats_result,
+                stats, "stats");
+cmdline_parse_token_num_t cmd_clear_vf_stats_port_id =
+       TOKEN_NUM_INITIALIZER
+               (struct cmd_clear_vf_stats_result,
+                port_id, UINT8);
+cmdline_parse_token_num_t cmd_clear_vf_stats_vf_id =
+       TOKEN_NUM_INITIALIZER
+               (struct cmd_clear_vf_stats_result,
+                vf_id, UINT16);
+
+static void
+cmd_clear_vf_stats_parsed(
+       void *parsed_result,
+       __attribute__((unused)) struct cmdline *cl,
+       __attribute__((unused)) void *data)
+{
+       struct cmd_clear_vf_stats_result *res = parsed_result;
+       int ret = -ENOTSUP;
+
+       if (port_id_is_invalid(res->port_id, ENABLED_WARN))
+               return;
+
+#ifdef RTE_LIBRTE_I40E_PMD
+       ret = rte_pmd_i40e_reset_vf_stats(res->port_id,
+                                         res->vf_id);
+#endif
+
+       switch (ret) {
+       case 0:
+               break;
+       case -EINVAL:
+               printf("invalid vf_id %d\n", res->vf_id);
+               break;
+       case -ENODEV:
+               printf("invalid port_id %d\n", res->port_id);
+               break;
+       case -ENOTSUP:
+               printf("function not implemented\n");
+               break;
+       default:
+               printf("programming error: (%s)\n", strerror(-ret));
+       }
+}
+
+cmdline_parse_inst_t cmd_clear_vf_stats = {
+       .f = cmd_clear_vf_stats_parsed,
+       .data = NULL,
+       .help_str = "clear vf stats <port_id> <vf_id>",
+       .tokens = {
+               (void *)&cmd_clear_vf_stats_clear,
+               (void *)&cmd_clear_vf_stats_vf,
+               (void *)&cmd_clear_vf_stats_stats,
+               (void *)&cmd_clear_vf_stats_port_id,
+               (void *)&cmd_clear_vf_stats_vf_id,
+               NULL,
+       },
+};
+
 /* ******************************************************************************** */
 
 /* list of instructions */
@@ -13154,6 +13344,8 @@ cmdline_parse_ctx_t main_ctx[] = {
        (cmdline_parse_inst_t *)&cmd_tc_min_bw,
        (cmdline_parse_inst_t *)&cmd_ddp_add,
        (cmdline_parse_inst_t *)&cmd_ddp_get_list,
+       (cmdline_parse_inst_t *)&cmd_show_vf_stats,
+       (cmdline_parse_inst_t *)&cmd_clear_vf_stats,
        NULL,
 };
 

diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index 1436d2b..497e2dd 100644 (file)
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -325,6 +325,19 @@ For example::
    testpmd> read txd 0 0 4
         0x00000001 - 0x24C3C440 / 0x000F0000 - 0x2330003C
 
+show vf stats
+~~~~~~~~~~~~~
+
+Display VF statistics::
+
+   testpmd> show vf stats (port_id) (vf_id)
+
+clear vf stats
+~~~~~~~~~~~~~~
+
+Reset VF statistics::
+
+   testpmd> clear vf stats (port_id) (vf_id)
 
 Configuration Functions
 -----------------------