[dpdk-dev] [PATCH v1] net/i40e: support request any number of queues
Zhirun Yan
zhirun.yan at intel.com
Tue Jan 15 15:57:17 CET 2019
Before this patch, VF must request a specific queues(1/2/4/8/16) with
DPDK PF. This patch align the number of requested queues to next power
of 2. So VF can request any number queues from 1 to 16.
Signed-off-by: Zhirun Yan <zhirun.yan at intel.com>
---
drivers/net/i40e/i40e_pf.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/i40e/i40e_pf.c b/drivers/net/i40e/i40e_pf.c
index 092e0d3e9..d110dffb7 100644
--- a/drivers/net/i40e/i40e_pf.c
+++ b/drivers/net/i40e/i40e_pf.c
@@ -1271,7 +1271,10 @@ i40e_pf_host_process_cmd_request_queues(struct i40e_pf_vf *vf, uint8_t *msg)
} else {
i40e_vc_notify_vf_reset(vf);
vf->vsi->nb_qps = req_pairs;
- pf->vf_nb_qps = req_pairs;
+ if (rte_is_power_of_2(req_pairs))
+ pf->vf_nb_qps = req_pairs;
+ else
+ pf->vf_nb_qps = i40e_align_floor(req_pairs) << 1;
i40e_pf_host_process_cmd_reset_vf(vf);
return 0;
--
2.17.1
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