[dpdk-dev] [PATCH 39/56] net/sfc: implement EVQ dummy exception handling
Andrew Rybchenko
arybchenko at solarflare.com
Mon Nov 21 16:00:53 CET 2016
Right now the code just logs the exception and sets flag to notify
subsequent event handlers and poller that recovery is required.
Reviewed-by: Andy Moreton <amoreton at solarflare.com>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
drivers/net/sfc/efx/sfc_ev.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers/net/sfc/efx/sfc_ev.c b/drivers/net/sfc/efx/sfc_ev.c
index 852051c..aa04b34 100644
--- a/drivers/net/sfc/efx/sfc_ev.c
+++ b/drivers/net/sfc/efx/sfc_ev.c
@@ -83,8 +83,24 @@ sfc_ev_exception(void *arg, uint32_t code, uint32_t data)
{
struct sfc_evq *evq = arg;
- sfc_err(evq->sa, "EVQ %u unexpected exception event",
- evq->evq_index);
+ if (code == EFX_EXCEPTION_UNKNOWN_SENSOREVT)
+ return B_FALSE;
+
+ evq->exception = B_TRUE;
+ sfc_warn(evq->sa,
+ "hardware exception %s (code=%u, data=%#x) on EVQ %u;"
+ " needs recovery",
+ (code == EFX_EXCEPTION_RX_RECOVERY) ? "RX_RECOVERY" :
+ (code == EFX_EXCEPTION_RX_DSC_ERROR) ? "RX_DSC_ERROR" :
+ (code == EFX_EXCEPTION_TX_DSC_ERROR) ? "TX_DSC_ERROR" :
+ (code == EFX_EXCEPTION_FWALERT_SRAM) ? "FWALERT_SRAM" :
+ (code == EFX_EXCEPTION_UNKNOWN_FWALERT) ? "UNKNOWN_FWALERT" :
+ (code == EFX_EXCEPTION_RX_ERROR) ? "RX_ERROR" :
+ (code == EFX_EXCEPTION_TX_ERROR) ? "TX_ERROR" :
+ (code == EFX_EXCEPTION_EV_ERROR) ? "EV_ERROR" :
+ "UNKNOWN",
+ code, data, evq->evq_index);
+
return B_TRUE;
}
--
2.5.5
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