diff options
| author | Russell King <rmk+kernel@armlinux.org.uk> | 2020-02-08 22:07:53 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2020-04-02 19:45:21 +0100 |
| commit | 4a9f9d50f48a511faa31f4efc47fbd883b3607af (patch) | |
| tree | 5dc0c7f002cd5448b9f0550d8d3998235813fb05 /include | |
| parent | 8a4599e2d51b9c3a5bf23c0a47d11dab994c980f (diff) | |
net: mii: add linkmode_adv_to_mii_adv_x()
Add a helper to convert a linkmode advertisement to a clause 37
advertisement value for 1000base-x and 2500base-x.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mii.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/mii.h b/include/linux/mii.h index 309de4a3e6e7..219b93cad1dd 100644 --- a/include/linux/mii.h +++ b/include/linux/mii.h @@ -537,6 +537,26 @@ static inline void mii_lpa_mod_linkmode_x(unsigned long *linkmodes, u16 lpa, } /** + * linkmode_adv_to_mii_adv_x - encode a linkmode to config_reg + * @linkmodes: linkmodes + * @fd_bit: full duplex bit + */ +static inline u16 linkmode_adv_to_mii_adv_x(const unsigned long *linkmodes, + int fd_bit) +{ + u16 adv = 0; + + if (linkmode_test_bit(fd_bit, linkmodes)) + adv |= ADVERTISE_1000XFULL; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, linkmodes)) + adv |= ADVERTISE_1000XPAUSE; + if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, linkmodes)) + adv |= ADVERTISE_1000XPSE_ASYM; + + return adv; +} + +/** * mii_advertise_flowctrl - get flow control advertisement flags * @cap: Flow control capabilities (FLOW_CTRL_RX, FLOW_CTRL_TX or both) */ |