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| author | Eric Dumazet <edumazet@google.com> | 2014-10-28 18:05:13 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-10-29 16:07:27 -0400 |
| commit | bc9ad166e38ae1cdcb5323a8aa45dff834d68bfa (patch) | |
| tree | 3cfa21dccafd603158859124f95ef2698049be9e /include/linux/netdevice.h | |
| parent | c6be2a10ac2f810bdd01e978c93a8ef65b46120b (diff) | |
| download | op-kernel-dev-bc9ad166e38ae1cdcb5323a8aa45dff834d68bfa.zip op-kernel-dev-bc9ad166e38ae1cdcb5323a8aa45dff834d68bfa.tar.gz | |
net: introduce napi_schedule_irqoff()
napi_schedule() can be called from any context and has to mask hard
irqs.
Add a variant that can only be called from hard interrupts handlers
or when irqs are already masked.
Many NIC drivers can use it from their hard IRQ handler instead of
generic variant.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 74fd5d3..c85e065 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -386,6 +386,7 @@ typedef enum rx_handler_result rx_handler_result_t; typedef rx_handler_result_t rx_handler_func_t(struct sk_buff **pskb); void __napi_schedule(struct napi_struct *n); +void __napi_schedule_irqoff(struct napi_struct *n); static inline bool napi_disable_pending(struct napi_struct *n) { @@ -420,6 +421,18 @@ static inline void napi_schedule(struct napi_struct *n) __napi_schedule(n); } +/** + * napi_schedule_irqoff - schedule NAPI poll + * @n: napi context + * + * Variant of napi_schedule(), assuming hard irqs are masked. + */ +static inline void napi_schedule_irqoff(struct napi_struct *n) +{ + if (napi_schedule_prep(n)) + __napi_schedule_irqoff(n); +} + /* Try to reschedule poll. Called by dev->poll() after napi_complete(). */ static inline bool napi_reschedule(struct napi_struct *napi) { |
