diff options
| -rw-r--r-- | include/linux/netdevice.h | 13 | ||||
| -rw-r--r-- | net/core/dev.c | 15 |
2 files changed, 27 insertions, 1 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) { diff --git a/net/core/dev.c b/net/core/dev.c index b793e35..759940c 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4372,7 +4372,8 @@ static int process_backlog(struct napi_struct *napi, int quota) * __napi_schedule - schedule for receive * @n: entry to schedule * - * The entry's receive function will be scheduled to run + * The entry's receive function will be scheduled to run. + * Consider using __napi_schedule_irqoff() if hard irqs are masked. */ void __napi_schedule(struct napi_struct *n) { @@ -4384,6 +4385,18 @@ void __napi_schedule(struct napi_struct *n) } EXPORT_SYMBOL(__napi_schedule); +/** + * __napi_schedule_irqoff - schedule for receive + * @n: entry to schedule + * + * Variant of __napi_schedule() assuming hard irqs are masked + */ +void __napi_schedule_irqoff(struct napi_struct *n) +{ + ____napi_schedule(this_cpu_ptr(&softnet_data), n); +} +EXPORT_SYMBOL(__napi_schedule_irqoff); + void __napi_complete(struct napi_struct *n) { BUG_ON(!test_bit(NAPI_STATE_SCHED, &n->state)); |
