sfc: Validate IRQ moderation parameters in efx_init_irq_moderation()
Add a range check, and move the check that RX and TX are consistent
from efx_ethtool_set_coalesce().
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h
index 4bd1f28..b5b2886 100644
--- a/drivers/net/ethernet/sfc/nic.h
+++ b/drivers/net/ethernet/sfc/nic.h
@@ -204,7 +204,8 @@
extern irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id);
extern void falcon_irq_ack_a1(struct efx_nic *efx);
-#define EFX_IRQ_MOD_RESOLUTION 5
+#define EFX_IRQ_MOD_RESOLUTION 5
+#define EFX_IRQ_MOD_MAX 0x1000
/* Global Resources */
extern int efx_nic_flush_queues(struct efx_nic *efx);