diff mbox series

[net-next,1/3] r8169: add generic rtl_set_eee_txidle_timer function

Message ID 39beed72-0dc4-4c45-8899-b72c43ab62a7@gmail.com (mailing list archive)
State Accepted
Commit 2ce30993831041b9dcd31eb12896be6611e8b7e2
Delegated to: Netdev Maintainers
Headers show
Series r8169: extend EEE tx idle timer support | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 989 this patch: 989
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 6 of 6 maintainers
netdev/build_clang success Errors and warnings before: 1006 this patch: 1006
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1006 this patch: 1006
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 66 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-02-13--21-00 (tests: 1437)

Commit Message

Heiner Kallweit Feb. 12, 2024, 6:57 p.m. UTC 
Add a generic setter for the EEE tx idle timer and use it with all
RTL8125/RTL8126 chip versions, in line with the vendor driver.
This prepares for adding EEE tx idle timer support for additional
chip versions.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/net/ethernet/realtek/r8169_main.c | 34 +++++++++++++----------
 1 file changed, 20 insertions(+), 14 deletions(-)

Comments

Andrew Lunn Feb. 13, 2024, 12:54 p.m. UTC | #1 
On Mon, Feb 12, 2024 at 07:57:46PM +0100, Heiner Kallweit wrote:
> Add a generic setter for the EEE tx idle timer and use it with all
> RTL8125/RTL8126 chip versions, in line with the vendor driver.
> This prepares for adding EEE tx idle timer support for additional
> chip versions.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew
diff mbox series

Patch

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 79ec5bb97..f6ed74073 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -619,6 +619,7 @@  struct rtl8169_private {
 	struct page *Rx_databuff[NUM_RX_DESC];	/* Rx data buffers */
 	struct ring_info tx_skb[NUM_TX_DESC];	/* Tx data buffers */
 	u16 cp_cmd;
+	u16 tx_lpi_timer;
 	u32 irq_mask;
 	int irq;
 	struct clk *clk;
@@ -2031,6 +2032,22 @@  static int rtl_set_coalesce(struct net_device *dev,
 	return 0;
 }
 
+static void rtl_set_eee_txidle_timer(struct rtl8169_private *tp)
+{
+	unsigned int timer_val = READ_ONCE(tp->dev->mtu) + ETH_HLEN + 0x20;
+
+	switch (tp->mac_version) {
+	case RTL_GIGA_MAC_VER_61:
+	case RTL_GIGA_MAC_VER_63:
+	case RTL_GIGA_MAC_VER_65:
+		tp->tx_lpi_timer = timer_val;
+		RTL_W16(tp, EEE_TXIDLE_TIMER_8125, timer_val);
+		break;
+	default:
+		break;
+	}
+}
+
 static int rtl8169_get_eee(struct net_device *dev, struct ethtool_keee *data)
 {
 	struct rtl8169_private *tp = netdev_priv(dev);
@@ -2289,14 +2306,8 @@  static void rtl8125a_config_eee_mac(struct rtl8169_private *tp)
 	r8168_mac_ocp_modify(tp, 0xeb62, 0, BIT(2) | BIT(1));
 }
 
-static void rtl8125_set_eee_txidle_timer(struct rtl8169_private *tp)
-{
-	RTL_W16(tp, EEE_TXIDLE_TIMER_8125, tp->dev->mtu + ETH_HLEN + 0x20);
-}
-
 static void rtl8125b_config_eee_mac(struct rtl8169_private *tp)
 {
-	rtl8125_set_eee_txidle_timer(tp);
 	r8168_mac_ocp_modify(tp, 0xe040, 0, BIT(1) | BIT(0));
 }
 
@@ -3829,6 +3840,8 @@  static void rtl_hw_start(struct  rtl8169_private *tp)
 	rtl_hw_aspm_clkreq_enable(tp, false);
 	RTL_W16(tp, CPlusCmd, tp->cp_cmd);
 
+	rtl_set_eee_txidle_timer(tp);
+
 	if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
 		rtl_hw_start_8169(tp);
 	else if (rtl_is_8125(tp))
@@ -3862,14 +3875,7 @@  static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
 	dev->mtu = new_mtu;
 	netdev_update_features(dev);
 	rtl_jumbo_config(tp);
-
-	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_65:
-		rtl8125_set_eee_txidle_timer(tp);
-		break;
-	default:
-		break;
-	}
+	rtl_set_eee_txidle_timer(tp);
 
 	return 0;
 }