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Commit d5430d31 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
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bnxt_en: Reduce default rings on multi-port cards.



Reduce default rings from 8 to 4 on multi-port cards to reduce memory
usage.

Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 903649e7
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+9 −4
Original line number Diff line number Diff line
@@ -5795,6 +5795,8 @@ static int bnxt_hwrm_phy_qcaps(struct bnxt *bp)
		link_info->support_auto_speeds =
			le16_to_cpu(resp->supported_speeds_auto_mode);

	bp->port_count = resp->port_cnt;

hwrm_phy_qcaps_exit:
	mutex_unlock(&bp->hwrm_cmd_lock);
	return rc;
@@ -7877,6 +7879,9 @@ static int bnxt_set_dflt_rings(struct bnxt *bp, bool sh)
	if (sh)
		bp->flags |= BNXT_FLAG_SHARED_RINGS;
	dflt_rings = netif_get_num_default_rss_queues();
	/* Reduce default rings to reduce memory usage on multi-port cards */
	if (bp->port_count > 1)
		dflt_rings = min_t(int, dflt_rings, 4);
	rc = bnxt_get_dflt_rings(bp, &max_rx_rings, &max_tx_rings, sh);
	if (rc)
		return rc;
@@ -8049,6 +8054,10 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
	bnxt_ethtool_init(bp);
	bnxt_dcb_init(bp);

	rc = bnxt_probe_phy(bp);
	if (rc)
		goto init_err_pci_clean;

	bnxt_set_rx_skb_mode(bp, false);
	bnxt_set_tpa_flags(bp);
	bnxt_set_ring_params(bp);
@@ -8083,10 +8092,6 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
	if (dev->hw_features & NETIF_F_HW_VLAN_CTAG_RX)
		bp->flags |= BNXT_FLAG_STRIP_VLAN;

	rc = bnxt_probe_phy(bp);
	if (rc)
		goto init_err_pci_clean;

	rc = bnxt_init_int_mode(bp);
	if (rc)
		goto init_err_pci_clean;
+1 −0
Original line number Diff line number Diff line
@@ -1207,6 +1207,7 @@ struct bnxt {
	u8			nge_port_cnt;
	__le16			nge_fw_dst_port_id;
	u8			port_partition_type;
	u8			port_count;
	u16			br_mode;

	u16			rx_coal_ticks;