6 files changed, 44 insertions, 22 deletions

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index c9248ed9330c..6e422e24750a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -13803,6 +13803,7 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
 	int max_rx, max_tx, max_cp, tx_sets = 1, tx_cp;
 	struct bnxt_hw_rings hwr = {0};
 	int rx_rings = rx;
+	int rc;
 
 	if (tcs)
 		tx_sets = tcs;
@@ -13835,7 +13836,23 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
 	}
 	if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS)
 		hwr.cp_p5 = hwr.tx + rx;
-	return bnxt_hwrm_check_rings(bp, &hwr);
+	rc = bnxt_hwrm_check_rings(bp, &hwr);
+	if (!rc && pci_msix_can_alloc_dyn(bp->pdev)) {
+		if (!bnxt_ulp_registered(bp->edev)) {
+			hwr.cp += bnxt_get_ulp_msix_num(bp);
+			hwr.cp = min_t(int, hwr.cp, bnxt_get_max_func_irqs(bp));
+		}
+		if (hwr.cp > bp->total_irqs) {
+			int total_msix = bnxt_change_msix(bp, hwr.cp);
+
+			if (total_msix < hwr.cp) {
+				netdev_warn(bp->dev, "Unable to allocate %d MSIX vectors, maximum available %d\n",
+					    hwr.cp, total_msix);
+				rc = -ENOSPC;
+			}
+		}
+	}
+	return rc;
 }
 
 static void bnxt_unmap_bars(struct bnxt *bp, struct pci_dev *pdev)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 3b805ed433ed..69231e85140b 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1217,12 +1217,15 @@ struct bnxt_napi {
 	bool			in_reset;
 };
 
+/* "TxRx", 2 hypens, plus maximum integer */
+#define BNXT_IRQ_NAME_EXTRA	17
+
 struct bnxt_irq {
 	irq_handler_t	handler;
 	unsigned int	vector;
 	u8		requested:1;
 	u8		have_cpumask:1;
-	char		name[IFNAMSIZ + 2];
+	char		name[IFNAMSIZ + BNXT_IRQ_NAME_EXTRA];
 	cpumask_var_t	cpu_mask;
 };
 
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 7392a716f28d..f71cc8188b4e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -955,11 +955,6 @@ static int bnxt_set_channels(struct net_device *dev,
 		}
 		tx_xdp = req_rx_rings;
 	}
-	rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
-	if (rc) {
-		netdev_warn(dev, "Unable to allocate the requested rings\n");
-		return rc;
-	}
 
 	if (bnxt_get_nr_rss_ctxs(bp, req_rx_rings) !=
 	    bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) &&
@@ -968,6 +963,12 @@ static int bnxt_set_channels(struct net_device *dev,
 		return -EINVAL;
 	}
 
+	rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
+	if (rc) {
+		netdev_warn(dev, "Unable to allocate the requested rings\n");
+		return rc;
+	}
+
 	if (netif_running(dev)) {
 		if (BNXT_PF(bp)) {
 			/* TODO CHIMP_FW: Send message to all VF's
@@ -5043,11 +5044,8 @@ static int bnxt_get_ts_info(struct net_device *dev,
 	struct bnxt_ptp_cfg *ptp;
 
 	ptp = bp->ptp_cfg;
-	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
-				SOF_TIMESTAMPING_RX_SOFTWARE |
-				SOF_TIMESTAMPING_SOFTWARE;
+	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE;
 
-	info->phc_index = -1;
 	if (!ptp)
 		return 0;
 
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index b9e7d3e7b15d..fdd6356f21ef 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -176,11 +176,17 @@ EXPORT_SYMBOL(bnxt_unregister_dev);
 
 static int bnxt_set_dflt_ulp_msix(struct bnxt *bp)
 {
-	u32 roce_msix = BNXT_VF(bp) ?
-			BNXT_MAX_VF_ROCE_MSIX : BNXT_MAX_ROCE_MSIX;
+	int roce_msix = BNXT_MAX_ROCE_MSIX;
 
-	return ((bp->flags & BNXT_FLAG_ROCE_CAP) ?
-		min_t(u32, roce_msix, num_online_cpus()) : 0);
+	if (BNXT_VF(bp))
+		roce_msix = BNXT_MAX_ROCE_MSIX_VF;
+	else if (bp->port_partition_type)
+		roce_msix = BNXT_MAX_ROCE_MSIX_NPAR_PF;
+
+	/* NQ MSIX vectors should match the number of CPUs plus 1 more for
+	 * the CREQ MSIX, up to the default.
+	 */
+	return min_t(int, roce_msix, num_online_cpus() + 1);
 }
 
 int bnxt_send_msg(struct bnxt_en_dev *edev,
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
index 4eafe6ec0abf..4f4914f5c84c 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
@@ -15,8 +15,10 @@
 
 #define BNXT_MIN_ROCE_CP_RINGS	2
 #define BNXT_MIN_ROCE_STAT_CTXS	1
-#define BNXT_MAX_ROCE_MSIX	9
-#define BNXT_MAX_VF_ROCE_MSIX	2
+
+#define BNXT_MAX_ROCE_MSIX_VF		2
+#define BNXT_MAX_ROCE_MSIX_NPAR_PF	5
+#define BNXT_MAX_ROCE_MSIX		64
 
 struct hwrm_async_event_cmpl;
 struct bnxt;
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 0ec5f01551f9..378815917741 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -6145,9 +6145,7 @@ static int tg3_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info
 {
 	struct tg3 *tp = netdev_priv(dev);
 
-	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
-				SOF_TIMESTAMPING_RX_SOFTWARE |
-				SOF_TIMESTAMPING_SOFTWARE;
+	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE;
 
 	if (tg3_flag(tp, PTP_CAPABLE)) {
 		info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
@@ -6157,8 +6155,6 @@ static int tg3_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info
 
 	if (tp->ptp_clock)
 		info->phc_index = ptp_clock_index(tp->ptp_clock);
-	else
-		info->phc_index = -1;
 
 	info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);