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sfc: Wrap __efx_rx_packet() with efx_rx_flush_packet()

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The pipeline mechanism will need to change a bit for scattered
packets.  Add a wrapper to insulate efx_process_channel() from this.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2013-01-29 23:33:14 +00:00
parent 9bc2fc9b52
commit ff734ef4bc
3 changed files with 9 additions and 7 deletions
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6
drivers/net/ethernet/sfc/efx.c
View file

@ -250,11 +250,7 @@ static int efx_process_channel(struct efx_channel *channel, int budget)
struct efx_rx_queue *rx_queue = struct efx_rx_queue *rx_queue =
efx_channel_get_rx_queue(channel); efx_channel_get_rx_queue(channel);
/* Deliver last RX packet. */ efx_rx_flush_packet(channel);
if (channel->rx_pkt) {
__efx_rx_packet(channel, channel->rx_pkt);
channel->rx_pkt = NULL;
}
if (rx_queue->enabled) if (rx_queue->enabled)
efx_fast_push_rx_descriptors(rx_queue); efx_fast_push_rx_descriptors(rx_queue);
} }

7
drivers/net/ethernet/sfc/efx.h
View file

@ -43,6 +43,13 @@ extern void __efx_rx_packet(struct efx_channel *channel,
struct efx_rx_buffer *rx_buf); struct efx_rx_buffer *rx_buf);
extern void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index, extern void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
unsigned int len, u16 flags); unsigned int len, u16 flags);
static inline void efx_rx_flush_packet(struct efx_channel *channel)
{
if (channel->rx_pkt) {
__efx_rx_packet(channel, channel->rx_pkt);
channel->rx_pkt = NULL;
}
}
extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue); extern void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue);
#define EFX_MAX_DMAQ_SIZE 4096UL #define EFX_MAX_DMAQ_SIZE 4096UL

3
drivers/net/ethernet/sfc/rx.c
View file

@ -465,8 +465,7 @@ void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
*/ */
rx_buf->len = len - efx->type->rx_buffer_hash_size; rx_buf->len = len - efx->type->rx_buffer_hash_size;
out: out:
if (channel->rx_pkt) efx_rx_flush_packet(channel);
__efx_rx_packet(channel, channel->rx_pkt);
channel->rx_pkt = rx_buf; channel->rx_pkt = rx_buf;
} }