On Thu, 2023-11-09 at 02:48 +0800, ChunHao Lin wrote: > For devices that support DASH, even DASH is disabled, there may still > exist a default firmware that will influence device behavior. > So driver needs to handle DASH for devices that support DASH, no > matter the DASH status is. > > This patch also prepare for "fix DASH deviceis network lost issue". > > Signed-off-by: ChunHao Lin <hau@xxxxxxxxxxx> You should include the fixes tag you already added in v1 and your Sob should come as the last tag The same applies to the next patch > Reviewed-by: Heiner Kallweit <hkallweit1@xxxxxxxxx> It's not clear where/when Heiner provided the above tag for this patch. I hope that was off-list. > Cc: stable@xxxxxxxxxxxxxxx > --- > drivers/net/ethernet/realtek/r8169_main.c | 35 ++++++++++++++++------- > 1 file changed, 25 insertions(+), 10 deletions(-) > > diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c > index 0c76c162b8a9..108dc75050ba 100644 > --- a/drivers/net/ethernet/realtek/r8169_main.c > +++ b/drivers/net/ethernet/realtek/r8169_main.c > @@ -624,6 +624,7 @@ struct rtl8169_private { > > unsigned supports_gmii:1; > unsigned aspm_manageable:1; > + unsigned dash_enabled:1; > dma_addr_t counters_phys_addr; > struct rtl8169_counters *counters; > struct rtl8169_tc_offsets tc_offset; > @@ -1253,14 +1254,26 @@ static bool r8168ep_check_dash(struct rtl8169_private *tp) > return r8168ep_ocp_read(tp, 0x128) & BIT(0); > } > > -static enum rtl_dash_type rtl_check_dash(struct rtl8169_private *tp) > +static bool rtl_dash_is_enabled(struct rtl8169_private *tp) > +{ > + switch (tp->dash_type) { > + case RTL_DASH_DP: > + return r8168dp_check_dash(tp); > + case RTL_DASH_EP: > + return r8168ep_check_dash(tp); > + default: > + return false; > + } > +} > + > +static enum rtl_dash_type rtl_get_dash_type(struct rtl8169_private *tp) > { > switch (tp->mac_version) { > case RTL_GIGA_MAC_VER_28: > case RTL_GIGA_MAC_VER_31: > - return r8168dp_check_dash(tp) ? RTL_DASH_DP : RTL_DASH_NONE; > + return RTL_DASH_DP; > case RTL_GIGA_MAC_VER_51 ... RTL_GIGA_MAC_VER_53: > - return r8168ep_check_dash(tp) ? RTL_DASH_EP : RTL_DASH_NONE; > + return RTL_DASH_EP; > default: > return RTL_DASH_NONE; > } > @@ -1453,7 +1466,7 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts) > > device_set_wakeup_enable(tp_to_dev(tp), wolopts); > > - if (tp->dash_type == RTL_DASH_NONE) { > + if (!tp->dash_enabled) { > rtl_set_d3_pll_down(tp, !wolopts); > tp->dev->wol_enabled = wolopts ? 1 : 0; > } > @@ -2512,7 +2525,7 @@ static void rtl_wol_enable_rx(struct rtl8169_private *tp) > > static void rtl_prepare_power_down(struct rtl8169_private *tp) > { > - if (tp->dash_type != RTL_DASH_NONE) > + if (tp->dash_enabled) > return; > > if (tp->mac_version == RTL_GIGA_MAC_VER_32 || > @@ -4869,7 +4882,7 @@ static int rtl8169_runtime_idle(struct device *device) > { > struct rtl8169_private *tp = dev_get_drvdata(device); > > - if (tp->dash_type != RTL_DASH_NONE) > + if (tp->dash_enabled) > return -EBUSY; > > if (!netif_running(tp->dev) || !netif_carrier_ok(tp->dev)) > @@ -4896,7 +4909,7 @@ static void rtl_shutdown(struct pci_dev *pdev) > rtl_rar_set(tp, tp->dev->perm_addr); > > if (system_state == SYSTEM_POWER_OFF && > - tp->dash_type == RTL_DASH_NONE) { > + !tp->dash_enabled) { Since you have to repost, please maintain the correct indentation above: if (system_state == SYSTEM_POWER_OFF && !tp->dash_enabled) { ^^^^ spaces here. Cheers, Paolo