[dpdk-dev] [PATCH v2] ixgbe: fix occasional timeouts when starting VF
Bernard Iremonger
bernard.iremonger at intel.com
Tue Apr 5 16:55:46 CEST 2016
Increase the polling wait time from 10 milleseconds to 15.
Fixes: af75078fece3 ("first public release")
Signed-off-by: Bernard Iremonger <bernard.iremonger at intel.com>
---
Change in v2:
added fixes line
---
drivers/net/ixgbe/ixgbe_rxtx.c | 6 +++---
drivers/net/ixgbe/ixgbe_rxtx.h | 3 ++-
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
index b018ba7..4ad947f 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -1,7 +1,7 @@
/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
* Copyright 2014 6WIND S.A.
* All rights reserved.
*
@@ -4961,7 +4961,7 @@ ixgbevf_dev_rxtx_start(struct rte_eth_dev *dev)
txdctl |= IXGBE_TXDCTL_ENABLE;
IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(i), txdctl);
- poll_ms = 10;
+ poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_15_MS;
/* Wait until TX Enable ready */
do {
rte_delay_ms(1);
@@ -4979,7 +4979,7 @@ ixgbevf_dev_rxtx_start(struct rte_eth_dev *dev)
IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(i), rxdctl);
/* Wait until RX Enable ready */
- poll_ms = 10;
+ poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_15_MS;
do {
rte_delay_ms(1);
rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
diff --git a/drivers/net/ixgbe/ixgbe_rxtx.h b/drivers/net/ixgbe/ixgbe_rxtx.h
index f9e708f..8085cf4 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx.h
+++ b/drivers/net/ixgbe/ixgbe_rxtx.h
@@ -1,7 +1,7 @@
/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -77,6 +77,7 @@
#endif
#define RTE_IXGBE_REGISTER_POLL_WAIT_10_MS 10
+#define RTE_IXGBE_REGISTER_POLL_WAIT_15_MS 15
#define RTE_IXGBE_WAIT_100_US 100
#define RTE_IXGBE_VMTXSW_REGISTER_COUNT 2
--
2.6.3
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