According to Intel® AVF spec
(https://www.intel.com/content/dam/
www/public/us/en/documents/product-specifications/
ethernet-adaptive-virtual-function-hardware-spec.pdf)
section 2.2.2.3:
The max segment size(MSS) of TSO should not be set lower than 88.
Fixes: a2b29a7733ef ("net/avf: enable basic Rx Tx")
Cc: [email protected]
Signed-off-by: Qi Zhang <[email protected]>
---
drivers/net/iavf/iavf_rxtx.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/iavf/iavf_rxtx.h b/drivers/net/iavf/iavf_rxtx.h
index 922ddadad1..69979971fd 100644
--- a/drivers/net/iavf/iavf_rxtx.h
+++ b/drivers/net/iavf/iavf_rxtx.h
@@ -34,7 +34,7 @@
#define DEFAULT_TX_RS_THRESH 32
#define DEFAULT_TX_FREE_THRESH 32
-#define IAVF_MIN_TSO_MSS 256
+#define IAVF_MIN_TSO_MSS 88
#define IAVF_MAX_TSO_MSS 9668
#define IAVF_TSO_MAX_SEG UINT8_MAX
#define IAVF_TX_MAX_MTU_SEG 8
--
2.26.2
