From feebf967dc4912fd9c184214e1bc82f761a476a4 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Thu, 29 Dec 2016 12:13:39 -0500 Subject: [PATCH] bnxt_en: Assign additional vnics to VFs. Orabug: 25645429 Assign additional vnics to VFs whenever possible so that NTUPLE can be supported on the VFs. Signed-off-by: Michael Chan Signed-off-by: David S. Miller (cherry picked from commit 8427af811a2fcbbf0c71a4b1f904f2442abdcf39) Signed-off-by: Brian Maly --- 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 477e26528086..578c6bb483c5 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -425,6 +425,8 @@ 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 | @@ -447,7 +449,6 @@ 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 */ @@ -502,6 +503,8 @@ 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; -- 2.50.1