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igbvf: fix statistic wraparound

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Fix a misinterpreatation of VF statistic macro in e1000/igb.

Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Roger Melton <rmelton@cisco.com>
This commit is contained in:
Harry van Haaren 2015-10-12 17:45:33 +01:00 committed by Thomas Monjalon
parent 1ce6591e23
commit 795618c0aa
1 changed files with 1 additions and 2 deletions
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drivers/net/e1000/igb_ethdev.c
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@ -246,11 +246,10 @@ static void eth_igb_configure_msix_intr(struct rte_eth_dev *dev);
#define UPDATE_VF_STAT(reg, last, cur) \
{ \
u32 latest = E1000_READ_REG(hw, reg); \
cur += latest - last; \
cur += (latest - last) & UINT_MAX; \
last = latest; \
}
#define IGB_FC_PAUSE_TIME 0x0680
#define IGB_LINK_UPDATE_CHECK_TIMEOUT 90 /* 9s */
#define IGB_LINK_UPDATE_CHECK_INTERVAL 100 /* ms */