[PATCH net 01/11] net: thunderx: Fix data integrity issues with LDWB

From: Aleksey Makarov
Date: Wed Jul 29 2015 - 11:27:01 EST


From: Sunil Goutham <sgoutham@xxxxxxxxxx>

Switching back to LDD transactions from LDWB.

While transmitting packets out with LDWB transactions
data integrity issues are seen very frequently.
hence switching back to LDD.

Signed-off-by: Sunil Goutham <sgoutham@xxxxxxxxxx>
Signed-off-by: Robert Richter <rrichter@xxxxxxxxxx>
Signed-off-by: Aleksey Makarov <aleksey.makarov@xxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index d69d228..4dae6aa 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -992,7 +992,7 @@ static inline void nicvf_sq_add_gather_subdesc(struct snd_queue *sq, int qentry,

memset(gather, 0, SND_QUEUE_DESC_SIZE);
gather->subdesc_type = SQ_DESC_TYPE_GATHER;
- gather->ld_type = NIC_SEND_LD_TYPE_E_LDWB;
+ gather->ld_type = NIC_SEND_LD_TYPE_E_LDD;
gather->size = size;
gather->addr = data;
}
--
2.4.6

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