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bonding: use ethtool for link checking first

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This patch only changes the order of interfaces to use for checking slave link
status in bond_check_dev_link() to priorize ethtool interface. Should safe some
troubles as ethtool seems to be more supported.

Jirka

Signed-off-by: Jiri Pirko <jpirko@redhat.com>

 drivers/net/bonding/bond_main.c |   26 ++++++++++++--------------
 1 files changed, 12 insertions(+), 14 deletions(-)
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2009-04-24 01:58:23 +00:00 committed by David S. Miller
parent 434e7b0d12
commit 29112f4e24
1 changed files with 12 additions and 14 deletions
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26
drivers/net/bonding/bond_main.c
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@ -695,6 +695,18 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_de
if (bond->params.use_carrier)
return netif_carrier_ok(slave_dev) ? BMSR_LSTATUS : 0;
/* Try to get link status using Ethtool first. */
if (slave_dev->ethtool_ops) {
if (slave_dev->ethtool_ops->get_link) {
u32 link;
link = slave_dev->ethtool_ops->get_link(slave_dev);
return link ? BMSR_LSTATUS : 0;
}
}
/* Ethtool can't be used, fallback to MII ioclts. */
ioctl = slave_ops->ndo_do_ioctl;
if (ioctl) {
/* TODO: set pointer to correct ioctl on a per team member */
@ -720,20 +732,6 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_de
}
}
/*
* Some drivers cache ETHTOOL_GLINK for a period of time so we only
* attempt to get link status from it if the above MII ioctls fail.
*/
if (slave_dev->ethtool_ops) {
if (slave_dev->ethtool_ops->get_link) {
u32 link;
link = slave_dev->ethtool_ops->get_link(slave_dev);
return link ? BMSR_LSTATUS : 0;
}
}
/*
* If reporting, report that either there's no dev->do_ioctl,
* or both SIOCGMIIREG and get_link failed (meaning that we