1 files changed, 32 insertions, 1 deletions

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c
index 69186d188c43..26290403f38f 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_vfr.c
@@ -124,7 +124,8 @@ static int bnxt_vf_rep_setup_tc_block_cb(enum tc_setup_type type,
 	struct bnxt *bp = vf_rep->bp;
 	int vf_fid = bp->pf.vf[vf_rep->vf_idx].fw_fid;
 
-	if (!bnxt_tc_flower_enabled(vf_rep->bp) || !tc_can_offload(bp->dev))
+	if (!bnxt_tc_flower_enabled(vf_rep->bp) ||
+	    !tc_cls_can_offload_and_chain0(bp->dev, type_data))
 		return -EOPNOTSUPP;
 
 	switch (type) {
@@ -241,6 +242,11 @@ static const struct net_device_ops bnxt_vf_rep_netdev_ops = {
 	.ndo_get_phys_port_name = bnxt_vf_rep_get_phys_port_name
 };
 
+bool bnxt_dev_is_vf_rep(struct net_device *dev)
+{
+	return dev->netdev_ops == &bnxt_vf_rep_netdev_ops;
+}
+
 /* Called when the parent PF interface is closed:
  * As the mode transition from SWITCHDEV to LEGACY
  * happens under the rtnl_lock() this routine is safe
@@ -376,6 +382,26 @@ static void bnxt_vf_rep_netdev_init(struct bnxt *bp, struct bnxt_vf_rep *vf_rep,
 	ether_addr_copy(dev->dev_addr, dev->perm_addr);
 }
 
+static int bnxt_pcie_dsn_get(struct bnxt *bp, u8 dsn[])
+{
+	struct pci_dev *pdev = bp->pdev;
+	int pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_DSN);
+	u32 dw;
+
+	if (!pos) {
+		netdev_info(bp->dev, "Unable do read adapter's DSN");
+		return -EOPNOTSUPP;
+	}
+
+	/* DSN (two dw) is at an offset of 4 from the cap pos */
+	pos += 4;
+	pci_read_config_dword(pdev, pos, &dw);
+	put_unaligned_le32(dw, &dsn[0]);
+	pci_read_config_dword(pdev, pos + 4, &dw);
+	put_unaligned_le32(dw, &dsn[4]);
+	return 0;
+}
+
 static int bnxt_vf_reps_create(struct bnxt *bp)
 {
 	u16 *cfa_code_map = NULL, num_vfs = pci_num_vf(bp->pdev);
@@ -440,6 +466,11 @@ static int bnxt_vf_reps_create(struct bnxt *bp)
 		}
 	}
 
+	/* Read the adapter's DSN to use as the eswitch switch_id */
+	rc = bnxt_pcie_dsn_get(bp, bp->switch_id);
+	if (rc)
+		goto err;
+
 	/* publish cfa_code_map only after all VF-reps have been initialized */
 	bp->cfa_code_map = cfa_code_map;
 	bp->eswitch_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV;