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| author | Julian Wiedmann <jwi@linux.vnet.ibm.com> | 2017-04-11 16:11:16 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-11 14:51:34 -0400 |
| commit | 774afb8e90685d6a12afa35d13a57113d7edebb4 (patch) | |
| tree | 9232f5bc9e3564bf651816b95049a1d04183cf98 /drivers/s390/net | |
| parent | 2aedd56af13386fa9edfd5f0178f39b85f5f9d42 (diff) | |
| download | linux-stable-774afb8e90685d6a12afa35d13a57113d7edebb4.tar.gz linux-stable-774afb8e90685d6a12afa35d13a57113d7edebb4.tar.bz2 linux-stable-774afb8e90685d6a12afa35d13a57113d7edebb4.zip | |
s390/qeth: clean up qeth_set_ecmd_adv_sup()
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>
Diffstat (limited to 'drivers/s390/net')
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 57 |
1 files changed, 28 insertions, 29 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 44d15c967c7d..41fe9631e24e 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -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, |