app/testpmd: set VF Tx max bandwidth

Add CLI to set a specific VF's TX max bandwidth
from PF.

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 47f935d..19092ae 100644 (file)
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -315,6 +315,9 @@ static void cmd_help_long_parsed(void *parsed_result,
                        "set vf vlan tag (port_id) (vf_id) (on|off)\n"
                        "    Set VLAN tag for a VF from the PF.\n\n"
 
+                       "set vf tx max-bandwidth (port_id) (vf_id) (bandwidth)\n"
+                       "    Set a VF's max bandwidth(Mbps).\n\n"
+
                        "vlan set filter (on|off) (port_id)\n"
                        "    Set the VLAN filter on a port.\n\n"
 
@@ -12401,6 +12404,98 @@ cmdline_parse_inst_t cmd_set_vf_vlan_tag = {
        },
 };
 
+/* Common definition of VF and TC TX bandwidth configuration */
+struct cmd_vf_tc_bw_result {
+       cmdline_fixed_string_t set;
+       cmdline_fixed_string_t vf;
+       cmdline_fixed_string_t tx;
+       cmdline_fixed_string_t max_bw;
+       uint8_t port_id;
+       uint16_t vf_id;
+       uint32_t bw;
+};
+
+cmdline_parse_token_string_t cmd_vf_tc_bw_set =
+       TOKEN_STRING_INITIALIZER
+               (struct cmd_vf_tc_bw_result,
+                set, "set");
+cmdline_parse_token_string_t cmd_vf_tc_bw_vf =
+       TOKEN_STRING_INITIALIZER
+               (struct cmd_vf_tc_bw_result,
+                vf, "vf");
+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_max_bw =
+       TOKEN_STRING_INITIALIZER
+               (struct cmd_vf_tc_bw_result,
+                max_bw, "max-bandwidth");
+cmdline_parse_token_num_t cmd_vf_tc_bw_port_id =
+       TOKEN_NUM_INITIALIZER
+               (struct cmd_vf_tc_bw_result,
+                port_id, UINT8);
+cmdline_parse_token_num_t cmd_vf_tc_bw_vf_id =
+       TOKEN_NUM_INITIALIZER
+               (struct cmd_vf_tc_bw_result,
+                vf_id, UINT16);
+cmdline_parse_token_num_t cmd_vf_tc_bw_bw =
+       TOKEN_NUM_INITIALIZER
+               (struct cmd_vf_tc_bw_result,
+                bw, UINT32);
+
+/* VF max bandwidth setting */
+static void
+cmd_vf_max_bw_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_vf_max_bw(res->port_id,
+                                        res->vf_id, res->bw);
+#endif
+
+       switch (ret) {
+       case 0:
+               break;
+       case -EINVAL:
+               printf("invalid vf_id %d or bandwidth %d\n",
+                      res->vf_id, res->bw);
+               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_vf_max_bw = {
+       .f = cmd_vf_max_bw_parsed,
+       .data = NULL,
+       .help_str = "set vf tx max-bandwidth <port_id> <vf_id> <bandwidth>",
+       .tokens = {
+               (void *)&cmd_vf_tc_bw_set,
+               (void *)&cmd_vf_tc_bw_vf,
+               (void *)&cmd_vf_tc_bw_tx,
+               (void *)&cmd_vf_tc_bw_max_bw,
+               (void *)&cmd_vf_tc_bw_port_id,
+               (void *)&cmd_vf_tc_bw_vf_id,
+               (void *)&cmd_vf_tc_bw_bw,
+               NULL,
+       },
+};
+
 /* ******************************************************************************** */
 
 /* list of instructions */
@@ -12576,6 +12671,7 @@ cmdline_parse_ctx_t main_ctx[] = {
        (cmdline_parse_inst_t *)&cmd_set_vf_allmulti,
        (cmdline_parse_inst_t *)&cmd_set_vf_broadcast,
        (cmdline_parse_inst_t *)&cmd_set_vf_vlan_tag,
+       (cmdline_parse_inst_t *)&cmd_vf_max_bw,
        NULL,
 };
 

diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index bdc6a14..232b95e 100644 (file)
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -893,6 +893,13 @@ In promiscuous mode packets are not dropped if they aren't for the specified MAC
 
    testpmd> set vf allmulti (port_id) (vf_id) (on|off)
 
+set tx max bandwidth (for VF)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Set TX max absolute bandwidth (Mbps) for a VF from PF::
+
+   testpmd> set vf tx max-bandwidth (port_id) (vf_id) (max_bandwidth)
+
 set flow_ctrl rx
 ~~~~~~~~~~~~~~~~