xiaomi-sm8450/android_kernel_xiaomi_sm8450
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sfc: get timer configuration from adapter

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On SFN8000 series adapters the MC provides a method to get the timer
quantum and the maximum timer setting. We revert to the old values if the
new call is unavailable.

Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bert Kenward
2016-08-11 13:02:36 +01:00
committed by David S. Miller
parent 539de7c524
commit d95e329a55
5 changed files with 125 additions and 33 deletions
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2
drivers/net/ethernet/sfc/net_driver.h
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@@ -810,6 +810,7 @@ struct vfdi_status;
* @membase: Memory BAR value
* @interrupt_mode: Interrupt mode
* @timer_quantum_ns: Interrupt timer quantum, in nanoseconds
* @timer_max_ns: Interrupt timer maximum value, in nanoseconds
* @irq_rx_adaptive: Adaptive IRQ moderation enabled for RX event queues
* @irq_rx_mod_step_us: Step size for IRQ moderation for RX event queues
* @irq_rx_moderation_us: IRQ moderation time for RX event queues
@@ -941,6 +942,7 @@ struct efx_nic {
enum efx_int_mode interrupt_mode;
unsigned int timer_quantum_ns;
unsigned int timer_max_ns;
bool irq_rx_adaptive;
unsigned int irq_mod_step_us;
unsigned int irq_rx_moderation_us;