mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-14 06:35:12 +00:00
Code Issues Releases Wiki Activity

net: phylink: add phylink_get_link_timer_ns() helper

Browse source 
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>
This commit is contained in:
Russell King (Oracle) 2022-10-27 14:10:37 +01:00 committed by Jakub Kicinski
parent 23f232592d
commit 9c5a170677
1 changed files with 24 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
include/linux/phylink.h
View file

@ -616,6 +616,30 @@ 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,