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Message-Id: <1483031624-20076-10-git-send-email-michael.chan@broadcom.com>
Date: Thu, 29 Dec 2016 12:13:39 -0500
From: Michael Chan <michael.chan@...adcom.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org
Subject: [PATCH net-next 09/14] bnxt_en: Assign additional vnics to VFs.
Assign additional vnics to VFs whenever possible so that NTUPLE can be
supported on the VFs.
Signed-off-by: Michael Chan <michael.chan@...adcom.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
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