diff options
| author | Raju Lakkaraju <Raju.Lakkaraju@microchip.com> | 2022-06-16 07:12:24 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-06-17 06:45:48 +0300 |
| commit | 6b3768ac8e2b3e3594f6851a073f2a11cfb82719 (patch) | |
| tree | 5476adf077a99d6405ae16cd35c233f9207e947a /drivers/net/ethernet/microchip/lan743x_main.c | |
| parent | 9aeb87d2b5a18ff21cfe249dd3f3d53066888c6b (diff) | |
| download | linux-6b3768ac8e2b3e3594f6851a073f2a11cfb82719.tar.xz | |
net: lan743x: Add support to Secure-ON WOL
Add support to Magic Packet Detection with Secure-ON for PCI11010/PCI11414 chips
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/microchip/lan743x_main.c')
| -rw-r--r-- | drivers/net/ethernet/microchip/lan743x_main.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c index af81236b4b4e..6352cba19691 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -3124,6 +3124,7 @@ static void lan743x_pm_set_wol(struct lan743x_adapter *adapter) const u8 ipv6_multicast[3] = { 0x33, 0x33 }; const u8 arp_type[2] = { 0x08, 0x06 }; int mask_index; + u32 sopass; u32 pmtctl; u32 wucsr; u32 macrx; @@ -3218,6 +3219,14 @@ static void lan743x_pm_set_wol(struct lan743x_adapter *adapter) pmtctl |= PMT_CTL_RX_FCT_RFE_D3_CLK_OVR_; } + if (adapter->wolopts & WAKE_MAGICSECURE) { + sopass = *(u32 *)adapter->sopass; + lan743x_csr_write(adapter, MAC_MP_SO_LO, sopass); + sopass = *(u16 *)&adapter->sopass[4]; + lan743x_csr_write(adapter, MAC_MP_SO_HI, sopass); + wucsr |= MAC_MP_SO_EN_; + } + lan743x_csr_write(adapter, MAC_WUCSR, wucsr); lan743x_csr_write(adapter, PMT_CTL, pmtctl); lan743x_csr_write(adapter, MAC_RX, macrx); @@ -3228,6 +3237,7 @@ static int lan743x_pm_suspend(struct device *dev) struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); struct lan743x_adapter *adapter = netdev_priv(netdev); + u32 data; lan743x_pcidev_shutdown(pdev); @@ -3239,6 +3249,18 @@ static int lan743x_pm_suspend(struct device *dev) if (adapter->wolopts) lan743x_pm_set_wol(adapter); + if (adapter->is_pci11x1x) { + /* Save HW_CFG to config again in PM resume */ + data = lan743x_csr_read(adapter, HW_CFG); + adapter->hw_cfg = data; + data |= (HW_CFG_RST_PROTECT_PCIE_ | + HW_CFG_D3_RESET_DIS_ | + HW_CFG_D3_VAUX_OVR_ | + HW_CFG_HOT_RESET_DIS_ | + HW_CFG_RST_PROTECT_); + lan743x_csr_write(adapter, HW_CFG, data); + } + /* Host sets PME_En, put D3hot */ return pci_prepare_to_sleep(pdev); } @@ -3254,6 +3276,10 @@ static int lan743x_pm_resume(struct device *dev) pci_restore_state(pdev); pci_save_state(pdev); + /* Restore HW_CFG that was saved during pm suspend */ + if (adapter->is_pci11x1x) + lan743x_csr_write(adapter, HW_CFG, adapter->hw_cfg); + ret = lan743x_hardware_init(adapter, pdev); if (ret) { netif_err(adapter, probe, adapter->netdev, @@ -3270,6 +3296,9 @@ static int lan743x_pm_resume(struct device *dev) lan743x_netdev_open(netdev); netif_device_attach(netdev); + ret = lan743x_csr_read(adapter, MAC_WK_SRC); + netif_info(adapter, drv, adapter->netdev, + "Wakeup source : 0x%08X\n", ret); return 0; } |