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Pointer to a link state structure with link state information to configure. The NET_DEV_LINK_ETHER structure contains two fields for link speed and duplex. Link speed is set via plink_state->Spd :
NET_PHY_SPD_10NET_PHY_SPD_100
And link duplex is set via plink_state->Duplex :
NET_PHY_DUPLEX_HALFNET_PHY_DUPLEX_FULL
perr
Pointer to variable that will receive the return error code from this function.
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