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s390/qeth: clean up qeth_set_ecmd_adv_sup()

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In preparation for moving to get_link_ksettings(), clean up how
we build the supported and advertised port/speed masks.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2017-04-11 16:11:16 +02:00 committed by David S. Miller
parent 2aedd56af1
commit 774afb8e90
1 changed files with 28 additions and 29 deletions
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57
drivers/s390/net/qeth_core_main.c
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@ -6024,57 +6024,56 @@ void qeth_core_get_drvinfo(struct net_device *dev,
}
EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo);
/* Helper function to fill 'advertizing' and 'supported' which are the same. */
/* Autoneg and full-duplex are supported and advertized uncondionally. */
/* Always advertize and support all speeds up to specified, and only one */
/* Helper function to fill 'advertising' and 'supported' which are the same. */
/* Autoneg and full-duplex are supported and advertised unconditionally. */
/* Always advertise and support all speeds up to specified, and only one */
/* specified port type. */
static void qeth_set_ecmd_adv_sup(struct ethtool_cmd *ecmd,
int maxspeed, int porttype)
{
int port_sup, port_adv, spd_sup, spd_adv;
u32 sup, adv;
sup = SUPPORTED_Autoneg;
adv = ADVERTISED_Autoneg;
switch (porttype) {
case PORT_TP:
port_sup = SUPPORTED_TP;
port_adv = ADVERTISED_TP;
sup |= SUPPORTED_TP;
adv |= ADVERTISED_TP;
break;
case PORT_FIBRE:
port_sup = SUPPORTED_FIBRE;
port_adv = ADVERTISED_FIBRE;
sup |= SUPPORTED_FIBRE;
adv |= ADVERTISED_FIBRE;
break;
default:
port_sup = SUPPORTED_TP;
port_adv = ADVERTISED_TP;
sup |= SUPPORTED_TP;
adv |= ADVERTISED_TP;
WARN_ON_ONCE(1);
}
/* "Fallthrough" case'es ordered from high to low result in setting */
/* flags cumulatively, starting from the specified speed and down to */
/* the lowest possible. */
spd_sup = 0;
spd_adv = 0;
/* fallthrough from high to low, to select all legal speeds: */
switch (maxspeed) {
case SPEED_10000:
spd_sup |= SUPPORTED_10000baseT_Full;
spd_adv |= ADVERTISED_10000baseT_Full;
sup |= SUPPORTED_10000baseT_Full;
adv |= ADVERTISED_10000baseT_Full;
case SPEED_1000:
spd_sup |= SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full;
spd_adv |= ADVERTISED_1000baseT_Half |
ADVERTISED_1000baseT_Full;
sup |= SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full;
adv |= ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full;
case SPEED_100:
spd_sup |= SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full;
spd_adv |= ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full;
sup |= SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full;
adv |= ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full;
case SPEED_10:
spd_sup |= SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full;
spd_adv |= ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full;
break;
sup |= SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full;
adv |= ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full;
/* end fallthrough */
break;
default:
spd_sup = SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full;
spd_adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full;
sup |= SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full;
adv |= ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full;
WARN_ON_ONCE(1);
}
ecmd->advertising = ADVERTISED_Autoneg | port_adv | spd_adv;
ecmd->supported = SUPPORTED_Autoneg | port_sup | spd_sup;
ecmd->supported = sup;
ecmd->advertising = adv;
}
int qeth_core_ethtool_get_settings(struct net_device *netdev,