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net: macb: Use variables with defaults for tx/rx ring sizes instead of hardcoded values

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The macb driver hardcoded the tx/rx ring sizes. This made it
impossible to change the sizes at run time.

Add tx_ring_size, and rx_ring_size variables to macb object, which
are initilized with default vales during macb_init. Change all
references to RX_RING_SIZE and TX_RING_SIZE to their respective
replacements.

Signed-off-by: Zach Brown <zach.brown@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zach Brown
2016-10-19 09:56:57 -05:00
committed by David S. Miller
parent 0f6e87613c
commit b410d13e10
2 changed files with 65 additions and 52 deletions
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3
drivers/net/ethernet/cadence/macb.h
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@@ -811,6 +811,9 @@ struct macb {
void *rx_buffers;
size_t rx_buffer_size;
unsigned int rx_ring_size;
unsigned int tx_ring_size;
unsigned int num_queues;
unsigned int queue_mask;
struct macb_queue queues[MACB_MAX_QUEUES];