diff options
| author |   Sean Anderson <sean.anderson@seco.com> | 2022-09-20 18:12:29 -0400 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-09-23 11:55:35 +0100 |
| commit | 606116529ab2d12e93bf751f74ed50a621b46846 (patch) | |
| tree | d428fa797bd1647e033aeaeb0c270090d2e66fcd /drivers/net/phy | |
| parent | net: phylink: Document MAC_(A)SYM_PAUSE (diff) | |
| download | linux-dev-606116529ab2d12e93bf751f74ed50a621b46846.tar.xz linux-dev-606116529ab2d12e93bf751f74ed50a621b46846.zip | |
net: phylink: Export phylink_caps_to_linkmodes
This function is convenient for MAC drivers. They can use it to add or
remove particular link modes based on capabilities (such as if half
duplex is not supported for a particular interface mode).
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy')
| -rw-r--r-- | drivers/net/phy/phylink.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index e9d62f9598f9..c5c3f0b62d7f 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -155,8 +155,15 @@ static const char *phylink_an_mode_str(unsigned int mode) return mode < ARRAY_SIZE(modestr) ? modestr[mode] : "unknown"; } -static void phylink_caps_to_linkmodes(unsigned long *linkmodes, - unsigned long caps) +/** + * phylink_caps_to_linkmodes() - Convert capabilities to ethtool link modes + * @linkmodes: ethtool linkmode mask (must be already initialised) + * @caps: bitmask of MAC capabilities + * + * Set all possible pause, speed and duplex linkmodes in @linkmodes that are + * supported by the @caps. @linkmodes must have been initialised previously. + */ +void phylink_caps_to_linkmodes(unsigned long *linkmodes, unsigned long caps) { if (caps & MAC_SYM_PAUSE) __set_bit(ETHTOOL_LINK_MODE_Pause_BIT, linkmodes); @@ -295,6 +302,7 @@ static void phylink_caps_to_linkmodes(unsigned long *linkmodes, __set_bit(ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT, linkmodes); } } +EXPORT_SYMBOL_GPL(phylink_caps_to_linkmodes); /** * phylink_get_linkmodes() - get acceptable link modes |