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net: add linkmode helper for setting flow control advertisement

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Add a linkmode helper to set the flow control advertisement in an
ethtool linkmode mask according to the tx/rx capabilities. This
implementation is moved from phylib, and documented with an
analysis of its shortcomings.

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>
This commit is contained in:
Russell King
2020-02-15 15:49:32 +00:00
committed by David S. Miller
parent a87ae8a963
commit 45c767faef
3 changed files with 54 additions and 16 deletions
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2
include/linux/linkmode.h
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@@ -92,4 +92,6 @@ void linkmode_resolve_pause(const unsigned long *local_adv,
const unsigned long *partner_adv,
bool *tx_pause, bool *rx_pause);
void linkmode_set_pause(unsigned long *advertisement, bool tx, bool rx);
#endif /* __LINKMODE_H */