[PATCH net-next 09/14] bnxt_en: Assign additional vnics to VFs.
From: Michael Chan <michael.chan@broadcom.com>
Date: 2016-12-29 17:14:13
Subsystem:
broadcom bnxt_en 50 gigabit ethernet driver, networking drivers, the rest · Maintainers:
Michael Chan, Pavan Chebbi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Assign additional vnics to VFs whenever possible so that NTUPLE can be supported on the VFs. Signed-off-by: Michael Chan <michael.chan@broadcom.com> --- drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
index c696025..0c9f6c1 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c@@ -429,6 +429,8 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs) vf_rx_rings = (pf->max_rx_rings - bp->rx_nr_rings) / num_vfs; vf_ring_grps = (bp->pf.max_hw_ring_grps - bp->rx_nr_rings) / num_vfs; vf_tx_rings = (pf->max_tx_rings - bp->tx_nr_rings) / num_vfs; + vf_vnics = (pf->max_vnics - bp->nr_vnics) / num_vfs; + vf_vnics = min_t(u16, vf_vnics, vf_rx_rings); req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_MTU | FUNC_CFG_REQ_ENABLES_MRU |
@@ -451,7 +453,6 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs) req.num_rx_rings = cpu_to_le16(vf_rx_rings); req.num_hw_ring_grps = cpu_to_le16(vf_ring_grps); req.num_l2_ctxs = cpu_to_le16(4); - vf_vnics = 1; req.num_vnics = cpu_to_le16(vf_vnics); /* FIXME spec currently uses 1 bit for stats ctx */
@@ -506,6 +507,8 @@ static int bnxt_sriov_enable(struct bnxt *bp, int *num_vfs) min_rx_rings) rx_ok = 1; } + if (bp->pf.max_vnics - bp->nr_vnics < min_rx_rings) + rx_ok = 0; if (bp->pf.max_tx_rings - bp->tx_nr_rings >= min_tx_rings) tx_ok = 1;
--
1.8.3.1