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Message-ID: <06991f47-2aec-4aa2-8918-2c6e79332303@gmail.com>
Date: Tue, 15 Apr 2025 21:39:23 +0200
From: Heiner Kallweit <hkallweit1@...il.com>
To: Realtek linux nic maintainers <nic_swsd@...ltek.com>,
Andrew Lunn <andrew+netdev@...n.ch>, Paolo Abeni <pabeni@...hat.com>,
Jakub Kicinski <kuba@...nel.org>, David Miller <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Simon Horman <horms@...nel.org>
Cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next] r8169: add RTL_GIGA_MAC_VER_LAST to facilitate
adding support for new chip versions
Add a new mac_version enum value RTL_GIGA_MAC_VER_LAST. Benefit is that
when adding support for a new chip version we have to touch less code,
except something changes fundamentally.
Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
drivers/net/ethernet/realtek/r8169.h | 3 ++-
drivers/net/ethernet/realtek/r8169_main.c | 28 +++++++++++------------
2 files changed, 16 insertions(+), 15 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169.h b/drivers/net/ethernet/realtek/r8169.h
index 7a194a8ab..9f784840e 100644
--- a/drivers/net/ethernet/realtek/r8169.h
+++ b/drivers/net/ethernet/realtek/r8169.h
@@ -73,7 +73,8 @@ enum mac_version {
RTL_GIGA_MAC_VER_66,
RTL_GIGA_MAC_VER_70,
RTL_GIGA_MAC_VER_71,
- RTL_GIGA_MAC_NONE
+ RTL_GIGA_MAC_NONE,
+ RTL_GIGA_MAC_VER_LAST = RTL_GIGA_MAC_NONE - 1
};
struct rtl8169_private;
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index b55a691c5..635785d91 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -1289,7 +1289,7 @@ static void rtl_writephy(struct rtl8169_private *tp, int location, int val)
case RTL_GIGA_MAC_VER_31:
r8168dp_2_mdio_write(tp, location, val);
break;
- case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_LAST:
r8168g_mdio_write(tp, location, val);
break;
default:
@@ -1304,7 +1304,7 @@ static int rtl_readphy(struct rtl8169_private *tp, int location)
case RTL_GIGA_MAC_VER_28:
case RTL_GIGA_MAC_VER_31:
return r8168dp_2_mdio_read(tp, location);
- case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_LAST:
return r8168g_mdio_read(tp, location);
default:
return r8169_mdio_read(tp, location);
@@ -1656,7 +1656,7 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
break;
case RTL_GIGA_MAC_VER_34:
case RTL_GIGA_MAC_VER_37:
- case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_LAST:
r8169_mod_reg8_cond(tp, Config2, PME_SIGNAL, wolopts);
break;
default:
@@ -2129,7 +2129,7 @@ static void rtl_set_eee_txidle_timer(struct rtl8169_private *tp)
tp->tx_lpi_timer = timer_val;
r8168_mac_ocp_write(tp, 0xe048, timer_val);
break;
- case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_LAST:
tp->tx_lpi_timer = timer_val;
RTL_W16(tp, EEE_TXIDLE_TIMER_8125, timer_val);
break;
@@ -2491,7 +2491,7 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp)
case RTL_GIGA_MAC_VER_61:
RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_DMA_BURST);
break;
- case RTL_GIGA_MAC_VER_63 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_63 ... RTL_GIGA_MAC_VER_LAST:
RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_DMA_BURST |
RX_PAUSE_SLOT_ON);
break;
@@ -2623,7 +2623,7 @@ static void rtl_wait_txrx_fifo_empty(struct rtl8169_private *tp)
case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_61:
rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42);
break;
- case RTL_GIGA_MAC_VER_63 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_63 ... RTL_GIGA_MAC_VER_LAST:
RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42);
rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond_2, 100, 42);
@@ -2898,7 +2898,7 @@ static void rtl_enable_exit_l1(struct rtl8169_private *tp)
case RTL_GIGA_MAC_VER_37 ... RTL_GIGA_MAC_VER_38:
rtl_eri_set_bits(tp, 0xd4, 0x0c00);
break;
- case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_LAST:
r8168_mac_ocp_modify(tp, 0xc0ac, 0, 0x1f80);
break;
default:
@@ -2912,7 +2912,7 @@ static void rtl_disable_exit_l1(struct rtl8169_private *tp)
case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38:
rtl_eri_clear_bits(tp, 0xd4, 0x1f00);
break;
- case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_LAST:
r8168_mac_ocp_modify(tp, 0xc0ac, 0x1f80, 0);
break;
default:
@@ -2950,7 +2950,7 @@ static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable)
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_46 ... RTL_GIGA_MAC_VER_48:
- case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_LAST:
/* reset ephy tx/rx disable timer */
r8168_mac_ocp_modify(tp, 0xe094, 0xff00, 0);
/* chip can trigger L1.2 */
@@ -2962,7 +2962,7 @@ static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable)
} else {
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_46 ... RTL_GIGA_MAC_VER_48:
- case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_LAST:
r8168_mac_ocp_modify(tp, 0xe092, 0x00ff, 0);
break;
default:
@@ -4094,7 +4094,7 @@ static void rtl8169_cleanup(struct rtl8169_private *tp)
RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
rtl_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666);
break;
- case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_LAST:
rtl_enable_rxdvgate(tp);
fsleep(2000);
break;
@@ -4251,7 +4251,7 @@ static unsigned int rtl_quirk_packet_padto(struct rtl8169_private *tp,
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_34:
- case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_LAST:
padto = max_t(unsigned int, padto, ETH_ZLEN);
break;
default:
@@ -5302,7 +5302,7 @@ static void rtl_hw_initialize(struct rtl8169_private *tp)
case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48:
rtl_hw_init_8168g(tp);
break;
- case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_LAST:
rtl_hw_init_8125(tp);
break;
default:
@@ -5327,7 +5327,7 @@ static int rtl_jumbo_max(struct rtl8169_private *tp)
case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24:
return JUMBO_6K;
/* RTL8125/8126 */
- case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_71:
+ case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_LAST:
return JUMBO_16K;
default:
return JUMBO_9K;
--
2.49.0
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