diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c index dde327f2c57e..1f925d247244 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -550,7 +550,6 @@ static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs, bool reset) vf_rx_rings = hw_resc->max_rx_rings - bp->rx_nr_rings; vf_tx_rings = hw_resc->max_tx_rings - bp->tx_nr_rings; vf_vnics = hw_resc->max_vnics - bp->nr_vnics; - vf_vnics = min_t(u16, vf_vnics, vf_rx_rings); vf_rss = hw_resc->max_rsscos_ctxs - bp->rsscos_nr_ctxs; req->min_rsscos_ctx = cpu_to_le16(BNXT_VF_MIN_RSS_CTX); @@ -572,11 +571,20 @@ static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs, bool reset) vf_cp_rings /= num_vfs; vf_tx_rings /= num_vfs; vf_rx_rings /= num_vfs; - vf_vnics /= num_vfs; + if ((bp->fw_cap & BNXT_FW_CAP_PRE_RESV_VNICS) && + vf_vnics >= pf->max_vfs) { + /* Take into account that FW has pre-reserved 1 VNIC for + * each pf->max_vfs. + */ + vf_vnics = (vf_vnics - pf->max_vfs + num_vfs) / num_vfs; + } else { + vf_vnics /= num_vfs; + } vf_stat_ctx /= num_vfs; vf_ring_grps /= num_vfs; vf_rss /= num_vfs; + vf_vnics = min_t(u16, vf_vnics, vf_rx_rings); req->min_cmpl_rings = cpu_to_le16(vf_cp_rings); req->min_tx_rings = cpu_to_le16(vf_tx_rings); req->min_rx_rings = cpu_to_le16(vf_rx_rings); |