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i40e: fix VMDq pool limit

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It fixes the issue of cannot using more than 1 poor for VMDq,
according to the queues left.

Fixes: 705b57f820 ("i40e: enlarge the number of supported queues")

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
This commit is contained in:
Helin Zhang 2015-11-11 16:56:45 +08:00 committed by Thomas Monjalon
parent 6e4775cc9b
commit c80707a0fd
1 changed files with 26 additions and 10 deletions
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36
drivers/net/i40e/i40e_ethdev.c
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@ -3120,17 +3120,33 @@ i40e_pf_parameter_init(struct rte_eth_dev *dev)
/* VMDq queue/VSI allocation */
pf->vmdq_qp_offset = pf->vf_qp_offset + pf->vf_nb_qps * pf->vf_num;
pf->vmdq_nb_qps = 0;
pf->max_nb_vmdq_vsi = 0;
if (hw->func_caps.vmdq) {
pf->flags |= I40E_FLAG_VMDQ;
pf->vmdq_nb_qps = pf->vmdq_nb_qp_max;
pf->max_nb_vmdq_vsi = 1;
PMD_DRV_LOG(DEBUG, "%u VMDQ VSIs, %u queues per VMDQ VSI, "
"in total %u queues", pf->max_nb_vmdq_vsi,
pf->vmdq_nb_qps,
pf->vmdq_nb_qps * pf->max_nb_vmdq_vsi);
} else {
pf->vmdq_nb_qps = 0;
pf->max_nb_vmdq_vsi = 0;
if (qp_count < hw->func_caps.num_tx_qp) {
pf->max_nb_vmdq_vsi = (hw->func_caps.num_tx_qp -
qp_count) / pf->vmdq_nb_qp_max;
/* Limit the maximum number of VMDq vsi to the maximum
* ethdev can support
*/
pf->max_nb_vmdq_vsi = RTE_MIN(pf->max_nb_vmdq_vsi,
ETH_64_POOLS);
if (pf->max_nb_vmdq_vsi) {
pf->flags |= I40E_FLAG_VMDQ;
pf->vmdq_nb_qps = pf->vmdq_nb_qp_max;
PMD_DRV_LOG(DEBUG, "%u VMDQ VSIs, %u queues "
"per VMDQ VSI, in total %u queues",
pf->max_nb_vmdq_vsi,
pf->vmdq_nb_qps, pf->vmdq_nb_qps *
pf->max_nb_vmdq_vsi);
} else {
PMD_DRV_LOG(INFO, "No enough queues left for "
"VMDq");
}
} else {
PMD_DRV_LOG(INFO, "No queue left for VMDq");
}
}
qp_count += pf->vmdq_nb_qps * pf->max_nb_vmdq_vsi;
vsi_count += pf->max_nb_vmdq_vsi;