diff options
| author | Jiri Pirko | 2019-04-03 14:24:20 +0200 |
|---|---|---|
| committer | David S. Miller | 2019-04-05 02:42:36 +0200 |
| commit | 03213a996531e507e03c085d411a313e34357498 (patch) | |
| tree | dda7578b53493824c60557946c930cb6c55523ba /drivers/net/ethernet/broadcom/bnxt/bnxt.c | |
| parent | mlxsw: Remove ndo_get_port_parent_id implementation (diff) | |
| download | kernel-qcow2-linux-03213a996531e507e03c085d411a313e34357498.tar.gz kernel-qcow2-linux-03213a996531e507e03c085d411a313e34357498.tar.xz kernel-qcow2-linux-03213a996531e507e03c085d411a313e34357498.zip | |
bnxt: move bp->switch_id initialization to PF probe
Currently the switch_id is being only initialized when switching eswitch
mode from "legacy" to "switchdev". However, nothing prevents the id to
be initialized from the very beginning. Physical ports can show it even
in "legacy" mode.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index d22691403d28..6131b9963709 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -10429,6 +10429,26 @@ static int bnxt_init_mac_addr(struct bnxt *bp) return rc; } +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_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int version_printed; @@ -10569,6 +10589,11 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto init_err_pci_clean; } + /* Read the adapter's DSN to use as the eswitch switch_id */ + rc = bnxt_pcie_dsn_get(bp, bp->switch_id); + if (rc) + goto init_err_pci_clean; + bnxt_hwrm_func_qcfg(bp); bnxt_hwrm_vnic_qcaps(bp); bnxt_hwrm_port_led_qcaps(bp); |