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sfc: Allocate each channel separately, along with its RX and TX queues

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This will allow for reallocation of channel structures and rings.

Change module parameter separate_tx_channels to be read-only, since we
now require its value to be constant.

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 06:41:57 +00:00 • committed by David S. Miller
parent f7d12cdcbb
commit 8313aca38b
3 changed files with 61 additions and 76 deletions
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14
drivers/net/sfc/falcon.c
View file

@ -159,7 +159,6 @@ irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
{
struct efx_nic *efx = dev_id;
efx_oword_t *int_ker = efx->irq_status.addr;
struct efx_channel *channel;
int syserr;
int queues;
@ -194,15 +193,10 @@ irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id)
wmb(); /* Ensure the vector is cleared before interrupt ack */
falcon_irq_ack_a1(efx);
/* Schedule processing of any interrupting queues */
channel = &efx->channel[0];
while (queues) {
if (queues & 0x01)
efx_schedule_channel(channel);
channel++;
queues >>= 1;
}
if (queues & 1)
efx_schedule_channel(efx_get_channel(efx, 0));
if (queues & 2)
efx_schedule_channel(efx_get_channel(efx, 1));
return IRQ_HANDLED;
}
/**************************************************************************