[dpdk-dev] [PATCH 5/8] app/testpmd: set VF TX max bandwidth
Wenzhuo Lu
wenzhuo.lu at intel.com
Fri Feb 24 04:24:32 CET 2017
Add CLI to set a specific VF's TX max bandwidth
from PF.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com>
---
app/test-pmd/cmdline.c | 96 +++++++++++++++++++++++++++++
doc/guides/testpmd_app_ug/testpmd_funcs.rst | 7 +++
2 files changed, 103 insertions(+)
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 43fc636..0387ac2 100644
--- 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"
@@ -12395,6 +12398,98 @@ struct cmd_set_vf_vlan_tag_result {
},
};
+/* 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 */
@@ -12570,6 +12665,7 @@ struct cmd_set_vf_vlan_tag_result {
(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 64ed028..dab788f 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -886,6 +886,13 @@ 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
~~~~~~~~~~~~~~~~
--
1.9.3
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