d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

app/testpmd: set VF TC Tx min bandwidth

Browse Source 
Add CLI to set TCs' min bandwidth on a specific VF
from PF.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
This commit is contained in:
Wenzhuo Lu 2017-02-24 11:24:33 +08:00 committed by Ferruh Yigit
parent cac4821929
commit 42d0baaea5
2 changed files with 128 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

121
app/test-pmd/cmdline.c
View File

@ -318,6 +318,9 @@ static void cmd_help_long_parsed(void *parsed_result,
"set vf tx max-bandwidth (port_id) (vf_id) (bandwidth)\n"
" Set a VF's max bandwidth(Mbps).\n\n"
"set vf tc tx min-bandwidth (port_id) (vf_id) (bw1, bw2, ...)\n"
" Set all TCs' min bandwidth(%%) on a VF.\n\n"
"vlan set filter (on|off) (port_id)\n"
" Set the VLAN filter on a port.\n\n"
@ -12408,11 +12411,14 @@ cmdline_parse_inst_t cmd_set_vf_vlan_tag = {
struct cmd_vf_tc_bw_result {
cmdline_fixed_string_t set;
cmdline_fixed_string_t vf;
cmdline_fixed_string_t tc;
cmdline_fixed_string_t tx;
cmdline_fixed_string_t min_bw;
cmdline_fixed_string_t max_bw;
uint8_t port_id;
uint16_t vf_id;
uint32_t bw;
cmdline_fixed_string_t bw_list;
};
cmdline_parse_token_string_t cmd_vf_tc_bw_set =
@ -12423,10 +12429,18 @@ 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_tc =
TOKEN_STRING_INITIALIZER
(struct cmd_vf_tc_bw_result,
tc, "tc");
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_min_bw =
TOKEN_STRING_INITIALIZER
(struct cmd_vf_tc_bw_result,
min_bw, "min-bandwidth");
cmdline_parse_token_string_t cmd_vf_tc_bw_max_bw =
TOKEN_STRING_INITIALIZER
(struct cmd_vf_tc_bw_result,
@ -12443,6 +12457,10 @@ cmdline_parse_token_num_t cmd_vf_tc_bw_bw =
TOKEN_NUM_INITIALIZER
(struct cmd_vf_tc_bw_result,
bw, UINT32);
cmdline_parse_token_string_t cmd_vf_tc_bw_bw_list =
TOKEN_STRING_INITIALIZER
(struct cmd_vf_tc_bw_result,
bw_list, NULL);
/* VF max bandwidth setting */
static void
@ -12496,6 +12514,108 @@ cmdline_parse_inst_t cmd_vf_max_bw = {
},
};
static int
vf_tc_min_bw_parse_bw_list(uint8_t *bw_list,
uint8_t *tc_num,
char *str)
{
uint32_t size;
const char *p, *p0 = str;
char s[256];
char *end;
char *str_fld[16];
uint16_t i;
int ret;
p = strchr(p0, '(');
if (p == NULL) {
printf("The bandwidth-list should be '(bw1, bw2, ...)'\n");
return -1;
}
p++;
p0 = strchr(p, ')');
if (p0 == NULL) {
printf("The bandwidth-list should be '(bw1, bw2, ...)'\n");
return -1;
}
size = p0 - p;
if (size >= sizeof(s)) {
printf("The string size exceeds the internal buffer size\n");
return -1;
}
snprintf(s, sizeof(s), "%.*s", size, p);
ret = rte_strsplit(s, sizeof(s), str_fld, 16, ',');
if (ret <= 0) {
printf("Failed to get the bandwidth list. ");
return -1;
}
*tc_num = ret;
for (i = 0; i < ret; i++)
bw_list[i] = (uint8_t)strtoul(str_fld[i], &end, 0);
return 0;
}
/* TC min bandwidth setting */
static void
cmd_vf_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;
uint8_t tc_num;
uint8_t bw[16];
int ret = -ENOTSUP;
if (port_id_is_invalid(res->port_id, ENABLED_WARN))
return;
ret = vf_tc_min_bw_parse_bw_list(bw, &tc_num, res->bw_list);
if (ret)
return;
#ifdef RTE_LIBRTE_I40E_PMD
ret = rte_pmd_i40e_set_vf_tc_bw_alloc(res->port_id, res->vf_id,
tc_num, bw);
#endif
switch (ret) {
case 0:
break;
case -EINVAL:
printf("invalid vf_id %d or bandwidth\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_vf_tc_min_bw = {
.f = cmd_vf_tc_min_bw_parsed,
.data = NULL,
.help_str = "set vf tc tx min-bandwidth <port_id> <vf_id>"
" <bw1, bw2, ...>",
.tokens = {
(void *)&cmd_vf_tc_bw_set,
(void *)&cmd_vf_tc_bw_vf,
(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_vf_id,
(void *)&cmd_vf_tc_bw_bw_list,
NULL,
},
};
/* ******************************************************************************** */
/* list of instructions */
@ -12672,6 +12792,7 @@ cmdline_parse_ctx_t main_ctx[] = {
(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,
(cmdline_parse_inst_t *)&cmd_vf_tc_min_bw,
NULL,
};

7
doc/guides/testpmd_app_ug/testpmd_funcs.rst
View File

@ -900,6 +900,13 @@ Set TX max absolute bandwidth (Mbps) for a VF from PF::
testpmd> set vf tx max-bandwidth (port_id) (vf_id) (max_bandwidth)
set tc tx min bandwidth (for VF)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Set all TCs' TX min relative bandwidth (%) for a VF from PF::
testpmd> set vf tc tx min-bandwidth (port_id) (vf_id) (bw1, bw2, ...)
set flow_ctrl rx
~~~~~~~~~~~~~~~~