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can: rx-offload: can_rx_offload_add_manual(): add new initialization function

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This patch adds a new initialization function:
can_rx_offload_add_manual()

It should be used to add support rx-offload to a driver, if the callback
mechanism should not be used. Use e.g. can_rx_offload_queue_sorted() to queue
skbs into rx-offload.

Link: https://lore.kernel.org/r/20200915223527.1417033-33-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2020-09-16 00:35:22 +02:00
parent b2527eb271
commit 728fc9ff73
2 changed files with 14 additions and 0 deletions
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11
drivers/net/can/rx-offload.c
View File

@ -351,6 +351,17 @@ int can_rx_offload_add_fifo(struct net_device *dev,
}
EXPORT_SYMBOL_GPL(can_rx_offload_add_fifo);
int can_rx_offload_add_manual(struct net_device *dev,
struct can_rx_offload *offload,
unsigned int weight)
{
if (offload->mailbox_read)
return -EINVAL;
return can_rx_offload_init_queue(dev, offload, weight);
}
EXPORT_SYMBOL_GPL(can_rx_offload_add_manual);
void can_rx_offload_enable(struct can_rx_offload *offload)
{
napi_enable(&offload->napi);

3
include/linux/can/rx-offload.h
View File

@ -35,6 +35,9 @@ int can_rx_offload_add_timestamp(struct net_device *dev,
int can_rx_offload_add_fifo(struct net_device *dev,
struct can_rx_offload *offload,
unsigned int weight);
int can_rx_offload_add_manual(struct net_device *dev,
struct can_rx_offload *offload,
unsigned int weight);
int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload,
u64 reg);
int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload);