49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
From f8fc363bf0c023e4736a0328174b4a24b44ab23a Mon Sep 17 00:00:00 2001
|
|
From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
|
|
Date: Thu, 27 Oct 2022 14:10:37 +0100
|
|
Subject: [PATCH 06/21] net: phylink: add phylink_get_link_timer_ns() helper
|
|
|
|
Add a helper to convert the PHY interface mode to the required link
|
|
timer setting as stated by the appropriate standard. Inappropriate
|
|
interface modes return an error.
|
|
|
|
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
|
|
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
---
|
|
include/linux/phylink.h | 24 ++++++++++++++++++++++++
|
|
1 file changed, 24 insertions(+)
|
|
|
|
--- a/include/linux/phylink.h
|
|
+++ b/include/linux/phylink.h
|
|
@@ -617,6 +617,30 @@ int phylink_speed_up(struct phylink *pl)
|
|
|
|
void phylink_set_port_modes(unsigned long *bits);
|
|
|
|
+/**
|
|
+ * phylink_get_link_timer_ns - return the PCS link timer value
|
|
+ * @interface: link &typedef phy_interface_t mode
|
|
+ *
|
|
+ * Return the PCS link timer setting in nanoseconds for the PHY @interface
|
|
+ * mode, or -EINVAL if not appropriate.
|
|
+ */
|
|
+static inline int phylink_get_link_timer_ns(phy_interface_t interface)
|
|
+{
|
|
+ switch (interface) {
|
|
+ case PHY_INTERFACE_MODE_SGMII:
|
|
+ case PHY_INTERFACE_MODE_QSGMII:
|
|
+ case PHY_INTERFACE_MODE_USXGMII:
|
|
+ return 1600000;
|
|
+
|
|
+ case PHY_INTERFACE_MODE_1000BASEX:
|
|
+ case PHY_INTERFACE_MODE_2500BASEX:
|
|
+ return 10000000;
|
|
+
|
|
+ default:
|
|
+ return -EINVAL;
|
|
+ }
|
|
+}
|
|
+
|
|
void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state,
|
|
u16 bmsr, u16 lpa);
|
|
void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs,
|