]> git.droids-corp.org - dpdk.git/blobdiff - drivers/net/e1000/igb_ethdev.c
igbvf: fix statistic wraparound
[dpdk.git] / drivers / net / e1000 / igb_ethdev.c
index 422d718efb8a119ee2348ba915602b03ab23b90e..3ab082e3ff66e7fcd5b6875d139576dd2de396b9 100644 (file)
@@ -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 */