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net: phylink: provide mac_get_caps() method

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Provide a new method, mac_get_caps() to get the MAC capabilities for
the specified interface mode. This is for MACs which have special
requirements, such as not supporting half-duplex in certain interface
modes, and will replace the validate() method.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/E1qsPk5-009wiX-G5@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Russell King (Oracle)
2023-10-16 16:42:53 +01:00
committed by Jakub Kicinski
parent 73b24e7ce8
commit b6f9774719
3 changed files with 33 additions and 3 deletions
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drivers/net/phy/phylink.c
+11 -3
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@@ -657,6 +657,7 @@ static int phylink_validate_mac_and_pcs(struct phylink *pl,
unsigned long *supported,
struct phylink_link_state *state)
{
unsigned long capabilities;
struct phylink_pcs *pcs;
int ret;
@@ -696,10 +697,17 @@ static int phylink_validate_mac_and_pcs(struct phylink *pl,
}
/* Then validate the link parameters with the MAC */
if (pl->mac_ops->validate)
if (pl->mac_ops->validate) {
pl->mac_ops->validate(pl->config, supported, state);
else
phylink_generic_validate(pl->config, supported, state);
} else {
if (pl->mac_ops->mac_get_caps)
capabilities = pl->mac_ops->mac_get_caps(pl->config,
state->interface);
else
capabilities = pl->config->mac_capabilities;
phylink_validate_mask_caps(supported, state, capabilities);
}
return phylink_is_empty_linkmode(supported) ? -EINVAL : 0;
}