3 files changed, 18 insertions, 2 deletions

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 22c2644..5737e0d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -3617,6 +3617,9 @@ int bnxt_hwrm_func_qcaps(struct bnxt *bp)
 		pf->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings);
 		pf->max_tx_rings = le16_to_cpu(resp->max_tx_rings);
 		pf->max_rx_rings = le16_to_cpu(resp->max_rx_rings);
+		pf->max_hw_ring_grps = le32_to_cpu(resp->max_hw_ring_grps);
+		if (!pf->max_hw_ring_grps)
+			pf->max_hw_ring_grps = pf->max_tx_rings;
 		pf->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs);
 		pf->max_vnics = le16_to_cpu(resp->max_vnics);
 		pf->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx);
@@ -3644,6 +3647,9 @@ int bnxt_hwrm_func_qcaps(struct bnxt *bp)
 		vf->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings);
 		vf->max_tx_rings = le16_to_cpu(resp->max_tx_rings);
 		vf->max_rx_rings = le16_to_cpu(resp->max_rx_rings);
+		vf->max_hw_ring_grps = le32_to_cpu(resp->max_hw_ring_grps);
+		if (!vf->max_hw_ring_grps)
+			vf->max_hw_ring_grps = vf->max_tx_rings;
 		vf->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs);
 		vf->max_vnics = le16_to_cpu(resp->max_vnics);
 		vf->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx);
@@ -5618,25 +5624,28 @@ static int bnxt_get_max_irq(struct pci_dev *pdev)
 
 void bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx)
 {
-	int max_rings = 0;
+	int max_rings = 0, max_ring_grps = 0;
 
 	if (BNXT_PF(bp)) {
 		*max_tx = bp->pf.max_tx_rings;
 		*max_rx = bp->pf.max_rx_rings;
 		max_rings = min_t(int, bp->pf.max_irqs, bp->pf.max_cp_rings);
 		max_rings = min_t(int, max_rings, bp->pf.max_stat_ctxs);
+		max_ring_grps = bp->pf.max_hw_ring_grps;
 	} else {
 #ifdef CONFIG_BNXT_SRIOV
 		*max_tx = bp->vf.max_tx_rings;
 		*max_rx = bp->vf.max_rx_rings;
 		max_rings = min_t(int, bp->vf.max_irqs, bp->vf.max_cp_rings);
 		max_rings = min_t(int, max_rings, bp->vf.max_stat_ctxs);
+		max_ring_grps = bp->vf.max_hw_ring_grps;
 #endif
 	}
 	if (bp->flags & BNXT_FLAG_AGG_RINGS)
 		*max_rx >>= 1;
 
 	*max_rx = min_t(int, *max_rx, max_rings);
+	*max_rx = min_t(int, *max_rx, max_ring_grps);
 	*max_tx = min_t(int, *max_tx, max_rings);
 }
 
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 8abaece..8241437 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -695,6 +695,7 @@ struct bnxt_vf_info {
 	u16	max_cp_rings;
 	u16	max_tx_rings;
 	u16	max_rx_rings;
+	u16	max_hw_ring_grps;
 	u16	max_l2_ctxs;
 	u16	max_irqs;
 	u16	max_vnics;
@@ -723,6 +724,7 @@ struct bnxt_pf_info {
 	u16	max_cp_rings;
 	u16	max_tx_rings; /* HW assigned max tx rings for this PF */
 	u16	max_rx_rings; /* HW assigned max rx rings for this PF */
+	u16	max_hw_ring_grps;
 	u16	max_irqs;
 	u16	max_l2_ctxs;
 	u16	max_vnics;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
index 44673e6..79b48e4 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
@@ -367,6 +367,7 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs)
 {
 	u32 rc = 0, mtu, i;
 	u16 vf_tx_rings, vf_rx_rings, vf_cp_rings, vf_stat_ctx, vf_vnics;
+	u16 vf_ring_grps;
 	struct hwrm_func_cfg_input req = {0};
 	struct bnxt_pf_info *pf = &bp->pf;
 
@@ -388,6 +389,7 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs)
 			      num_vfs;
 	else
 		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;
 
 	req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_MTU |
@@ -398,7 +400,8 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs)
 				  FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS |
 				  FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS |
 				  FUNC_CFG_REQ_ENABLES_NUM_L2_CTXS |
-				  FUNC_CFG_REQ_ENABLES_NUM_VNICS);
+				  FUNC_CFG_REQ_ENABLES_NUM_VNICS |
+				  FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS);
 
 	mtu = bp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
 	req.mru = cpu_to_le16(mtu);
@@ -408,6 +411,7 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs)
 	req.num_cmpl_rings = cpu_to_le16(vf_cp_rings);
 	req.num_tx_rings = cpu_to_le16(vf_tx_rings);
 	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;
 
@@ -429,6 +433,7 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs)
 	if (!rc) {
 		pf->max_tx_rings -= vf_tx_rings * num_vfs;
 		pf->max_rx_rings -= vf_rx_rings * num_vfs;
+		pf->max_hw_ring_grps -= vf_ring_grps * num_vfs;
 		pf->max_cp_rings -= vf_cp_rings * num_vfs;
 		pf->max_rsscos_ctxs -= num_vfs;
 		pf->max_stat_ctxs -= vf_stat_ctx * num_vfs;