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net: Add napi_struct parameter irq_suspend_timeout

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Add a per-NAPI IRQ suspension parameter, which can be get/set with
netdev-genl.

This patch doesn't change any behavior but prepares the code for other
changes in the following commits which use irq_suspend_timeout as a
timeout for IRQ suspension.

Signed-off-by: Martin Karsten <mkarsten@uwaterloo.ca>
Co-developed-by: Joe Damato <jdamato@fastly.com>
Signed-off-by: Joe Damato <jdamato@fastly.com>
Tested-by: Joe Damato <jdamato@fastly.com>
Tested-by: Martin Karsten <mkarsten@uwaterloo.ca>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Link: https://patch.msgid.link/20241109050245.191288-2-jdamato@fastly.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Martin Karsten
2024-11-09 05:02:31 +00:00
committed by Jakub Kicinski
parent f0fe51a043
commit 5dc51ec86d
8 changed files with 53 additions and 2 deletions
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2
include/linux/netdevice.h
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@@ -348,6 +348,7 @@ struct gro_list {
*/
struct napi_config {
u64 gro_flush_timeout;
u64 irq_suspend_timeout;
u32 defer_hard_irqs;
unsigned int napi_id;
};
@@ -384,6 +385,7 @@ struct napi_struct {
struct hrtimer timer;
struct task_struct *thread;
unsigned long gro_flush_timeout;
unsigned long irq_suspend_timeout;
u32 defer_hard_irqs;
/* control-path-only fields follow */
struct list_head dev_list;