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| author |   Alexander Duyck <alexander.h.duyck@intel.com> | 2012-02-08 07:51:22 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2012-03-19 01:57:23 -0700 |
| commit | 6bb78cfb50bfbaf90646a80448ee8de2372e292a (patch) | |
| tree | 5258daf5977698179a4fd8c7362a8728c7ccb5ff | |
| parent | ixgbe: Update layout of ixgbe_ring structure to improve cache performance (diff) | |
| download | linux-dev-6bb78cfb50bfbaf90646a80448ee8de2372e292a.tar.xz linux-dev-6bb78cfb50bfbaf90646a80448ee8de2372e292a.zip | |
ixgbe: cleanup logic for the service timer and VF hang detection
This change just cleans up some of the logic in the service_timer function
so that we can avoid unnecessary swapping of the ready value between true to
false and back to true.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 7817f0473032..6453e3a589ec 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -6480,41 +6480,32 @@ static void ixgbe_service_timer(unsigned long data) unsigned long next_event_offset; bool ready = true; -#ifdef CONFIG_PCI_IOV - ready = false; + /* poll faster when waiting for link */ + if (adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE) + next_event_offset = HZ / 10; + else + next_event_offset = HZ * 2; +#ifdef CONFIG_PCI_IOV /* * don't bother with SR-IOV VF DMA hang check if there are * no VFs or the link is down */ if (!adapter->num_vfs || - (adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE)) { - ready = true; + (adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE)) goto normal_timer_service; - } /* If we have VFs allocated then we must check for DMA hangs */ ixgbe_check_for_bad_vf(adapter); next_event_offset = HZ / 50; adapter->timer_event_accumulator++; - if (adapter->timer_event_accumulator >= 100) { - ready = true; + if (adapter->timer_event_accumulator >= 100) adapter->timer_event_accumulator = 0; - } - - goto schedule_event; - -normal_timer_service: -#endif - /* poll faster when waiting for link */ - if (adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE) - next_event_offset = HZ / 10; else - next_event_offset = HZ * 2; + ready = false; -#ifdef CONFIG_PCI_IOV -schedule_event: +normal_timer_service: #endif /* Reset the timer */ mod_timer(&adapter->service_timer, next_event_offset + jiffies); |