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| author | Martin Karsten <mkarsten@uwaterloo.ca> | 2024-11-09 05:02:31 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-11-11 18:45:05 -0800 |
| commit | 5dc51ec86df6e2214d8398079c1e31736593ab53 (patch) | |
| tree | 6eac64f87a4b15bd88dfe515dac9547c76878c98 /net/core/dev.h | |
| parent | f0fe51a043868bd12e0eb9ee532723342ce3faf6 (diff) | |
| download | linux-5dc51ec86df6e2214d8398079c1e31736593ab53.tar.gz linux-5dc51ec86df6e2214d8398079c1e31736593ab53.tar.bz2 linux-5dc51ec86df6e2214d8398079c1e31736593ab53.zip | |
net: Add napi_struct parameter irq_suspend_timeout
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>
Diffstat (limited to 'net/core/dev.h')
| -rw-r--r-- | net/core/dev.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/net/core/dev.h b/net/core/dev.h index 7881bced70a9..d043dee25a68 100644 --- a/net/core/dev.h +++ b/net/core/dev.h @@ -236,6 +236,31 @@ static inline void netdev_set_gro_flush_timeout(struct net_device *netdev, netdev->napi_config[i].gro_flush_timeout = timeout; } +/** + * napi_get_irq_suspend_timeout - get the irq_suspend_timeout + * @n: napi struct to get the irq_suspend_timeout from + * + * Return: the per-NAPI value of the irq_suspend_timeout field. + */ +static inline unsigned long +napi_get_irq_suspend_timeout(const struct napi_struct *n) +{ + return READ_ONCE(n->irq_suspend_timeout); +} + +/** + * napi_set_irq_suspend_timeout - set the irq_suspend_timeout for a napi + * @n: napi struct to set the irq_suspend_timeout + * @timeout: timeout value to set + * + * napi_set_irq_suspend_timeout sets the per-NAPI irq_suspend_timeout + */ +static inline void napi_set_irq_suspend_timeout(struct napi_struct *n, + unsigned long timeout) +{ + WRITE_ONCE(n->irq_suspend_timeout, timeout); +} + int rps_cpumask_housekeeping(struct cpumask *mask); #if defined(CONFIG_DEBUG_NET) && defined(CONFIG_BPF_SYSCALL) |