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sfc: Refactor channel and queue lookup and iteration

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In preparation for changes to the way channels and queue structures
are allocated, revise the macros and functions used to look up and
iterator over them.

- Replace efx_for_each_tx_queue() with iteration over channels then TX
  queues
- Replace efx_for_each_rx_queue() with iteration over channels then RX
  queues (with one exception, shortly to be removed)
- Introduce efx_get_{channel,rx_queue,tx_queue}() functions to look up
  channels and queues by index
- Introduce efx_channel_get_{rx,tx}_queue() functions to look up a
  channel's queues

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings
2010-09-10 06:41:47 +00:00
committed by David S. Miller
parent ba1e8a35b7
commit f7d12cdcbb
7 changed files with 125 additions and 75 deletions
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2
drivers/net/sfc/rx.c
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@@ -311,7 +311,7 @@ static void efx_recycle_rx_buffer(struct efx_channel *channel,
struct efx_rx_buffer *rx_buf)
{
struct efx_nic *efx = channel->efx;
struct efx_rx_queue *rx_queue = &efx->rx_queue[channel->channel];
struct efx_rx_queue *rx_queue = efx_channel_get_rx_queue(channel);
struct efx_rx_buffer *new_buf;
unsigned index;