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net: phylink: Add PHYLINK_DEV operation type

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In the PHYLINK_DEV operation type, the PHYLINK infrastructure can work
without an attached net_device. For printing usecases, instead, a struct
device * should be passed to PHYLINK using the phylink_config structure.

Also, netif_carrier_* calls ar guarded by the presence of a valid
net_device. When using the PHYLINK_DEV operation type, we cannot check
link status using the netif_carrier_ok() API so instead, keep an
internal state of the MAC and call mac_link_{down,up} only when the link
changed.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ioana Ciornei
2019-05-28 20:38:13 +03:00
committed by David S. Miller
parent 44cc27e43f
commit 43de61959b
2 changed files with 21 additions and 5 deletions
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1
include/linux/phylink.h
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@@ -56,6 +56,7 @@ struct phylink_link_state {
enum phylink_op_type {
PHYLINK_NETDEV = 0,
PHYLINK_DEV,
};
/**