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authorJulian Wiedmann <jwi@linux.vnet.ibm.com>2017-04-11 17:11:16 +0300
committerDavid S. Miller <davem@davemloft.net>2017-04-11 21:51:34 +0300
commit774afb8e90685d6a12afa35d13a57113d7edebb4 (patch)
tree9232f5bc9e3564bf651816b95049a1d04183cf98 /drivers/s390
parent2aedd56af13386fa9edfd5f0178f39b85f5f9d42 (diff)
downloadlinux-774afb8e90685d6a12afa35d13a57113d7edebb4.tar.xz
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')
-rw-r--r--drivers/s390/net/qeth_core_main.c57
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,