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sfc: Allow DRV_GEN events to be used outside of selftests

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Formerly, efx_test_eventq_irq() assumed it was the only user of
driver generated events. Allow it to interoperate with other users.

We can create more than 16 channels, so align event codes with
a multiple of 256 not 16.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steve Hodgson
2010-06-01 11:19:09 +00:00
committed by David S. Miller
parent 901d3fe848
commit d730dc527a
4 changed files with 18 additions and 22 deletions
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4
drivers/net/sfc/net_driver.h
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@@ -336,7 +336,7 @@ enum efx_rx_alloc_method {
* @eventq: Event queue buffer
* @eventq_read_ptr: Event queue read pointer
* @last_eventq_read_ptr: Last event queue read pointer value.
* @eventq_magic: Event queue magic value for driver-generated test events
* @magic_count: Event queue test event count
* @irq_count: Number of IRQs since last adaptive moderation decision
* @irq_mod_score: IRQ moderation score
* @rx_alloc_level: Watermark based heuristic counter for pushing descriptors
@@ -367,7 +367,7 @@ struct efx_channel {
struct efx_special_buffer eventq;
unsigned int eventq_read_ptr;
unsigned int last_eventq_read_ptr;
unsigned int eventq_magic;
unsigned int magic_count;
unsigned int irq_count;
unsigned int irq_mod_score;