app/testpmd: set TC strict link priority mode

Add a CLI to set some TCs' strict link priority mode
on a physical port.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index f025472c6772f89f5e36911d792bba163c07db9c..b93b096b833aec2ca8cb0b3b62055a8ac3b11e00 100644 (file)
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -324,6 +324,9 @@ static void cmd_help_long_parsed(void *parsed_result,
                        "set vf tc tx max-bandwidth (port_id) (vf_id) (tc_no) (bandwidth)\n"
                        "    Set a TC's max bandwidth(Mbps) on a VF.\n\n"
 
+                       "set tx strict-link-priority (port_id) (tc_bitmap)\n"
+                       "    Set some TCs' strict link priority mode on a physical port.\n\n"
+
                        "vlan set filter (on|off) (port_id)\n"
                        "    Set the VLAN filter on a port.\n\n"
 
@@ -12418,11 +12421,13 @@ struct cmd_vf_tc_bw_result {
        cmdline_fixed_string_t tx;
        cmdline_fixed_string_t min_bw;
        cmdline_fixed_string_t max_bw;
+       cmdline_fixed_string_t strict_link_prio;
        uint8_t port_id;
        uint16_t vf_id;
        uint8_t tc_no;
        uint32_t bw;
        cmdline_fixed_string_t bw_list;
+       uint8_t tc_map;
 };
 
 cmdline_parse_token_string_t cmd_vf_tc_bw_set =
@@ -12441,6 +12446,10 @@ cmdline_parse_token_string_t cmd_vf_tc_bw_tx =
        TOKEN_STRING_INITIALIZER
                (struct cmd_vf_tc_bw_result,
                 tx, "tx");
+cmdline_parse_token_string_t cmd_vf_tc_bw_strict_link_prio =
+       TOKEN_STRING_INITIALIZER
+               (struct cmd_vf_tc_bw_result,
+                strict_link_prio, "strict-link-priority");
 cmdline_parse_token_string_t cmd_vf_tc_bw_min_bw =
        TOKEN_STRING_INITIALIZER
                (struct cmd_vf_tc_bw_result,
@@ -12469,6 +12478,10 @@ cmdline_parse_token_string_t cmd_vf_tc_bw_bw_list =
        TOKEN_STRING_INITIALIZER
                (struct cmd_vf_tc_bw_result,
                 bw_list, NULL);
+cmdline_parse_token_num_t cmd_vf_tc_bw_tc_map =
+       TOKEN_NUM_INITIALIZER
+               (struct cmd_vf_tc_bw_result,
+                tc_map, UINT8);
 
 /* VF max bandwidth setting */
 static void
@@ -12678,6 +12691,54 @@ cmdline_parse_inst_t cmd_vf_tc_max_bw = {
        },
 };
 
+/* Strict link priority scheduling mode setting */
+static void
+cmd_strict_link_prio_parsed(
+       void *parsed_result,
+       __attribute__((unused)) struct cmdline *cl,
+       __attribute__((unused)) void *data)
+{
+       struct cmd_vf_tc_bw_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_set_tc_strict_prio(res->port_id, res->tc_map);
+#endif
+
+       switch (ret) {
+       case 0:
+               break;
+       case -EINVAL:
+               printf("invalid tc_bitmap 0x%x\n", res->tc_map);
+               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_strict_link_prio = {
+       .f = cmd_strict_link_prio_parsed,
+       .data = NULL,
+       .help_str = "set tx strict-link-priority <port_id> <tc_bitmap>",
+       .tokens = {
+               (void *)&cmd_vf_tc_bw_set,
+               (void *)&cmd_vf_tc_bw_tx,
+               (void *)&cmd_vf_tc_bw_strict_link_prio,
+               (void *)&cmd_vf_tc_bw_port_id,
+               (void *)&cmd_vf_tc_bw_tc_map,
+               NULL,
+       },
+};
+
 
 /* ******************************************************************************** */
 
@@ -12857,6 +12918,7 @@ cmdline_parse_ctx_t main_ctx[] = {
        (cmdline_parse_inst_t *)&cmd_vf_max_bw,
        (cmdline_parse_inst_t *)&cmd_vf_tc_min_bw,
        (cmdline_parse_inst_t *)&cmd_vf_tc_max_bw,
+       (cmdline_parse_inst_t *)&cmd_strict_link_prio,
        NULL,
 };
 

diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index 6e281d22ec174fdd2791f4d1d533dec698f154e6..f08a79537e8194cccb0fb5d5b8c4b94421bd7723 100644 (file)
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -914,6 +914,13 @@ Set a TC's TX max absolute bandwidth (Mbps) for a VF from PF::
 
    testpmd> set vf tc tx max-bandwidth (port_id) (vf_id) (tc_no) (max_bandwidth)
 
+set tc strict link priority mode
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Set some TCs' strict link priority mode on a physical port::
+
+   testpmd> set tx strict-link-priority (port_id) (tc_bitmap)
+
 set flow_ctrl rx
 ~~~~~~~~~~~~~~~~