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Date: Tue, 2 Feb 2021 11:04:26 +0800
From: Kai-Heng Feng <kai.heng.feng@...onical.com>
To: Heiner Kallweit <hkallweit1@...il.com>
Cc: "maintainer:8169 10/100/1000 GIGABIT ETHERNET DRIVER"
<nic_swsd@...ltek.com>, "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
"open list:8169 10/100/1000 GIGABIT ETHERNET DRIVER"
<netdev@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] r8169: Add support for another RTL8168FP
On Tue, Feb 2, 2021 at 2:54 AM Heiner Kallweit <hkallweit1@...il.com> wrote:
>
> On 01.02.2021 17:47, Kai-Heng Feng wrote:
> > According to the vendor driver, the new chip with XID 0x54b is
> > essentially the same as the one with XID 0x54a, but it doesn't need the
> > firmware.
> >
> > So add support accordingly.
> >
> > Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
> > ---
> > drivers/net/ethernet/realtek/r8169.h | 1 +
> > drivers/net/ethernet/realtek/r8169_main.c | 21 +++++++++++++--------
> > 2 files changed, 14 insertions(+), 8 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/realtek/r8169.h b/drivers/net/ethernet/realtek/r8169.h
> > index 7be86ef5a584..2728df46ec41 100644
> > --- a/drivers/net/ethernet/realtek/r8169.h
> > +++ b/drivers/net/ethernet/realtek/r8169.h
> > @@ -63,6 +63,7 @@ enum mac_version {
> > RTL_GIGA_MAC_VER_50,
> > RTL_GIGA_MAC_VER_51,
> > RTL_GIGA_MAC_VER_52,
> > + RTL_GIGA_MAC_VER_53,
> > RTL_GIGA_MAC_VER_60,
> > RTL_GIGA_MAC_VER_61,
> > RTL_GIGA_MAC_VER_63,
> > diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
> > index a569abe7f5ef..ee1f72a9d453 100644
> > --- a/drivers/net/ethernet/realtek/r8169_main.c
> > +++ b/drivers/net/ethernet/realtek/r8169_main.c
> > @@ -145,6 +145,7 @@ static const struct {
> > [RTL_GIGA_MAC_VER_50] = {"RTL8168ep/8111ep" },
> > [RTL_GIGA_MAC_VER_51] = {"RTL8168ep/8111ep" },
> > [RTL_GIGA_MAC_VER_52] = {"RTL8168fp/RTL8117", FIRMWARE_8168FP_3},
> > + [RTL_GIGA_MAC_VER_53] = {"RTL8168fp/RTL8117", },
> > [RTL_GIGA_MAC_VER_60] = {"RTL8125A" },
> > [RTL_GIGA_MAC_VER_61] = {"RTL8125A", FIRMWARE_8125A_3},
> > /* reserve 62 for CFG_METHOD_4 in the vendor driver */
> > @@ -682,7 +683,7 @@ static bool rtl_is_8168evl_up(struct rtl8169_private *tp)
> > {
> > return tp->mac_version >= RTL_GIGA_MAC_VER_34 &&
> > tp->mac_version != RTL_GIGA_MAC_VER_39 &&
> > - tp->mac_version <= RTL_GIGA_MAC_VER_52;
> > + tp->mac_version <= RTL_GIGA_MAC_VER_53;
> > }
> >
> > static bool rtl_supports_eee(struct rtl8169_private *tp)
> > @@ -1012,7 +1013,9 @@ static u16 rtl_ephy_read(struct rtl8169_private *tp, int reg_addr)
> > static void r8168fp_adjust_ocp_cmd(struct rtl8169_private *tp, u32 *cmd, int type)
> > {
> > /* based on RTL8168FP_OOBMAC_BASE in vendor driver */
> > - if (tp->mac_version == RTL_GIGA_MAC_VER_52 && type == ERIAR_OOB)
> > + if (type == ERIAR_OOB &&
> > + (tp->mac_version == RTL_GIGA_MAC_VER_52 ||
> > + tp->mac_version == RTL_GIGA_MAC_VER_53))
> > *cmd |= 0x7f0 << 18;
> > }
> >
> > @@ -1164,7 +1167,7 @@ static void rtl8168_driver_start(struct rtl8169_private *tp)
> > case RTL_GIGA_MAC_VER_31:
> > rtl8168dp_driver_start(tp);
> > break;
> > - case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_52:
> > + case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_53:
> > rtl8168ep_driver_start(tp);
> > break;
> > default:
> > @@ -1195,7 +1198,7 @@ static void rtl8168_driver_stop(struct rtl8169_private *tp)
> > case RTL_GIGA_MAC_VER_31:
> > rtl8168dp_driver_stop(tp);
> > break;
> > - case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_52:
> > + case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_53:
> > rtl8168ep_driver_stop(tp);
> > break;
> > default:
> > @@ -1223,7 +1226,7 @@ static bool r8168_check_dash(struct rtl8169_private *tp)
> > case RTL_GIGA_MAC_VER_28:
> > case RTL_GIGA_MAC_VER_31:
> > return r8168dp_check_dash(tp);
> > - case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_52:
> > + case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_53:
> > return r8168ep_check_dash(tp);
> > default:
> > return false;
> > @@ -1930,6 +1933,7 @@ static enum mac_version rtl8169_get_mac_version(u16 xid, bool gmii)
> > { 0x7c8, 0x608, RTL_GIGA_MAC_VER_61 },
> >
> > /* RTL8117 */
> > + { 0x7cf, 0x54b, RTL_GIGA_MAC_VER_53 },
> > { 0x7cf, 0x54a, RTL_GIGA_MAC_VER_52 },
> >
> > /* 8168EP family. */
> > @@ -2274,7 +2278,7 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp)
> > case RTL_GIGA_MAC_VER_38:
> > RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
> > break;
> > - case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_52:
> > + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_53:
> > RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF);
> > break;
> > case RTL_GIGA_MAC_VER_60 ... RTL_GIGA_MAC_VER_63:
> > @@ -2449,7 +2453,7 @@ DECLARE_RTL_COND(rtl_rxtx_empty_cond_2)
> > static void rtl_wait_txrx_fifo_empty(struct rtl8169_private *tp)
> > {
> > switch (tp->mac_version) {
> > - case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_52:
> > + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_53:
> > rtl_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42);
> > rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42);
> > break;
> > @@ -3708,6 +3712,7 @@ static void rtl_hw_config(struct rtl8169_private *tp)
> > [RTL_GIGA_MAC_VER_50] = rtl_hw_start_8168ep_2,
> > [RTL_GIGA_MAC_VER_51] = rtl_hw_start_8168ep_3,
> > [RTL_GIGA_MAC_VER_52] = rtl_hw_start_8117,
> > + [RTL_GIGA_MAC_VER_53] = rtl_hw_start_8117,
> > [RTL_GIGA_MAC_VER_60] = rtl_hw_start_8125a_1,
> > [RTL_GIGA_MAC_VER_61] = rtl_hw_start_8125a_2,
> > [RTL_GIGA_MAC_VER_63] = rtl_hw_start_8125b,
> > @@ -5101,7 +5106,7 @@ static void rtl_hw_init_8125(struct rtl8169_private *tp)
> > static void rtl_hw_initialize(struct rtl8169_private *tp)
> > {
> > switch (tp->mac_version) {
> > - case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_52:
> > + case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_53:
> > rtl8168ep_stop_cmac(tp);
> > fallthrough;
> > case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48:
> >
>
> I think you have to add the following in r8169_phy_config.c
> [RTL_GIGA_MAC_VER_53] = rtl8117_hw_phy_config,
> Or doesn't VER_53 need this?
Hmm, it works great with or without rtl8117_hw_phy_config.
But yes, it should need this, let me send a V2 on top of net-next.
Kai-Heng
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