> -----Original Message----- > From: Ghalem Boudour <[email protected]> > Sent: Thursday, February 10, 2022 6:49 PM > To: Wu, Jingjing <[email protected]>; Xing, Beilei <[email protected]> > Cc: [email protected]; Xu, Ting <[email protected]>; Ghalem Boudour > <[email protected]>; Thibaut Collet <[email protected]>; > Olivier Matz <[email protected]> > Subject: [PATCH v2] net/iavf: initialize large VF setting at startup > > lv_enabled is used to remember if large VF setting is configured, but its > value > is not initialized at startup. This can lead to a different configuration > regarding the initial configuration of the PF. > For example, a first start is done with 8 rx and 8 tx queues. Large VF is not > needed and reta size is 64. > A second start is done with 20 rx and tx queues. Large VF is required and reta > size is 256. > A third start is done with 2 rx and tx queues. Large VF is not needed but reta > size is 256 as the PF has been configured during the second start. > > In order to have a consistent behavior regarding reta size whatever the > configuration of the PF (may be changed by a previous boot) the lv_enabled > must be set properly at the init phase. > > Signed-off-by: Ghalem Boudour <[email protected]> > Signed-off-by: Thibaut Collet <[email protected]> > Reviewed-by: Olivier Matz <[email protected]> > --- > v2: > * Enable large VF at initialization independently of rss configuration > --- > drivers/net/iavf/iavf_ethdev.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c > index 79397f15e54f..d6190ac24ac6 100644 > --- a/drivers/net/iavf/iavf_ethdev.c > +++ b/drivers/net/iavf/iavf_ethdev.c > @@ -2278,6 +2278,9 @@ iavf_init_vf(struct rte_eth_dev *dev) > } > } > > + if (vf->vsi_res->num_queue_pairs > IAVF_MAX_NUM_QUEUES_DFLT) > + vf->lv_enabled = true; > + > if (vf->vf_res->vf_cap_flags & > VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) { > if (iavf_get_supported_rxdid(adapter) != 0) { > PMD_INIT_LOG(ERR, "failed to do get supported > rxdid"); > -- > 2.30.2
Acked-by: Ting Xu <[email protected]>
