diff options
| author | Russell King <rmk+kernel@armlinux.org.uk> | 2020-02-15 18:49:27 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-02-17 06:39:44 +0300 |
| commit | a87ae8a963bde755b0962bcc18db83d611f63e7a (patch) | |
| tree | 9fa705afcdce8ca1555396d433e68b1ac918ed7a /include | |
| parent | 8062e2333f8f7dcd5627e22b99e18d1cbb53eedb (diff) | |
| download | linux-a87ae8a963bde755b0962bcc18db83d611f63e7a.tar.xz | |
net: add helpers to resolve negotiated flow control
Add a couple of helpers to resolve negotiated flow control. Two helpers
are provided:
- linkmode_resolve_pause() which takes the link partner and local
advertisements, and decodes whether we should enable TX or RX pause
at the MAC. This is useful outside of phylib, e.g. in phylink.
- phy_get_pause(), which returns the TX/RX enablement status for the
current negotiation results of the PHY.
This allows us to centralise the flow control resolution, rather than
spreading it around.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/linkmode.h | 4 | ||||
| -rw-r--r-- | include/linux/phy.h | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/linkmode.h b/include/linux/linkmode.h index 8e5b352e44f2..9ec210f31d06 100644 --- a/include/linux/linkmode.h +++ b/include/linux/linkmode.h @@ -88,4 +88,8 @@ static inline int linkmode_subset(const unsigned long *src1, return bitmap_subset(src1, src2, __ETHTOOL_LINK_MODE_MASK_NBITS); } +void linkmode_resolve_pause(const unsigned long *local_adv, + const unsigned long *partner_adv, + bool *tx_pause, bool *rx_pause); + #endif /* __LINKMODE_H */ diff --git a/include/linux/phy.h b/include/linux/phy.h index c570e162e05e..80f8b2158271 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1257,6 +1257,9 @@ void phy_set_sym_pause(struct phy_device *phydev, bool rx, bool tx, void phy_set_asym_pause(struct phy_device *phydev, bool rx, bool tx); bool phy_validate_pause(struct phy_device *phydev, struct ethtool_pauseparam *pp); +void phy_get_pause(struct phy_device *phydev, bool *tx_pause, bool *rx_pause); +void phy_resolve_pause(unsigned long *local_adv, unsigned long *partner_adv, + bool *tx_pause, bool *rx_pause); int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask, int (*run)(struct phy_device *)); |