app/testpmd: add CLI to set TC min bandwidth

Add a CLI in testpmd to test the TC min bandwidth
setting.

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 2e23e20..e650d18 100644 (file)
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -330,6 +330,9 @@ static void cmd_help_long_parsed(void *parsed_result,
                        "set tx strict-link-priority (port_id) (tc_bitmap)\n"
                        "    Set some TCs' strict link priority mode on a physical port.\n\n"
 
+                       "set tc tx min-bandwidth (port_id) (bw1, bw2, ...)\n"
+                       "    Set all TCs' min bandwidth(%%) for all PF and VFs.\n\n"
+
                        "vlan set filter (on|off) (port_id)\n"
                        "    Set the VLAN filter on a port.\n\n"
 
@@ -12644,6 +12647,68 @@ cmdline_parse_inst_t cmd_vf_tc_min_bw = {
        },
 };
 
+static void
+cmd_tc_min_bw_parsed(
+       void *parsed_result,
+       __attribute__((unused)) struct cmdline *cl,
+       __attribute__((unused)) void *data)
+{
+       struct cmd_vf_tc_bw_result *res = parsed_result;
+       struct rte_port *port;
+       uint8_t tc_num;
+       uint8_t bw[16];
+       int ret = -ENOTSUP;
+
+       if (port_id_is_invalid(res->port_id, ENABLED_WARN))
+               return;
+
+       port = &ports[res->port_id];
+       /** Check if the port is not started **/
+       if (port->port_status != RTE_PORT_STOPPED) {
+               printf("Please stop port %d first\n", res->port_id);
+               return;
+       }
+
+       ret = vf_tc_min_bw_parse_bw_list(bw, &tc_num, res->bw_list);
+       if (ret)
+               return;
+
+#ifdef RTE_LIBRTE_IXGBE_PMD
+       ret = rte_pmd_ixgbe_set_tc_bw_alloc(res->port_id, tc_num, bw);
+#endif
+
+       switch (ret) {
+       case 0:
+               break;
+       case -EINVAL:
+               printf("invalid bandwidth\n");
+               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_tc_min_bw = {
+       .f = cmd_tc_min_bw_parsed,
+       .data = NULL,
+       .help_str = "set tc tx min-bandwidth <port_id> <bw1, bw2, ...>",
+       .tokens = {
+               (void *)&cmd_vf_tc_bw_set,
+               (void *)&cmd_vf_tc_bw_tc,
+               (void *)&cmd_vf_tc_bw_tx,
+               (void *)&cmd_vf_tc_bw_min_bw,
+               (void *)&cmd_vf_tc_bw_port_id,
+               (void *)&cmd_vf_tc_bw_bw_list,
+               NULL,
+       },
+};
+
 /* TC max bandwidth setting */
 static void
 cmd_vf_tc_max_bw_parsed(
@@ -13083,6 +13148,7 @@ cmdline_parse_ctx_t main_ctx[] = {
        (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,
+       (cmdline_parse_inst_t *)&cmd_tc_min_bw,
        (cmdline_parse_inst_t *)&cmd_ddp_add,
        (cmdline_parse_inst_t *)&cmd_ddp_get_list,
        NULL,

diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index 62478d6..1436d2b 100644 (file)
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -921,6 +921,13 @@ Set some TCs' strict link priority mode on a physical port::
 
    testpmd> set tx strict-link-priority (port_id) (tc_bitmap)
 
+set tc tx min bandwidth
+~~~~~~~~~~~~~~~~~~~~~~~
+
+Set all TCs' TX min relative bandwidth (%) globally for all PF and VFs::
+
+   testpmd> set tc tx min-bandwidth (port_id) (bw1, bw2, ...)
+
 set flow_ctrl rx
 ~~~~~~~~~~~~~~~~