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drivers/net/igc: make Interrupt Throttle configurable

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make Interrupt Throttle configurable for igc

Signed-off-by: p-szafonimateusz <p-szafonimateusz@xiaomi.com>
This commit is contained in:
p-szafonimateusz 2024-11-20 11:10:39 +01:00 committed by Xiang Xiao
parent bf4eadf735
commit 5e48f2a3d8
2 changed files with 8 additions and 5 deletions
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7
drivers/net/Kconfig
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@ -812,6 +812,13 @@ config NET_IGC_RXSPARE
int "Intel IGC spare RX buffers"
default 8
config NET_IGC_INT_INTERVAL
int "Intel IGC interrupt interval"
default 100
range 1 8191
---help---
Minimum Inter-interrupt Interval in 1 us increments.
endif # NET_IGC
endif # NETDEVICES

6
drivers/net/igc.c
View file

@ -91,10 +91,6 @@
#define IGC_IO_BAR 2
#define IGC_MSIX_BAR 3
/* Minimum Inter-interrupt Interval in 1 us increments */
#define IGC_INTERRUPT_INTERVAL 100
/* For MSI-X we allocate all interrupts to MSI-X vector 0 */
#define IGC_GPIE_MSIX_SINGLE (IGC_GPIE_NSICR | IGC_GPIE_EIAME | \
@ -1185,7 +1181,7 @@ static int igc_initialize(FAR struct igc_driver_s *priv)
/* Configure Interrupt Throttle */
igc_putreg_mem(priv, IGC_EITR0, (IGC_INTERRUPT_INTERVAL << 2));
igc_putreg_mem(priv, IGC_EITR0, (CONFIG_NET_IGC_INT_INTERVAL << 2));
/* Get MAC if valid */