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-rw-r--r--sys/dev/e1000/if_em.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/e1000/if_em.h b/sys/dev/e1000/if_em.h
index 83a0d4e96fc6..7219dc57c333 100644
--- a/sys/dev/e1000/if_em.h
+++ b/sys/dev/e1000/if_em.h
@@ -251,7 +251,8 @@
#define IGB_ITR_DIVIDEND 1000000
#define IGB_ITR_SHIFT 2
#define IGB_QVECTOR_MASK 0x7FFC
-#define IGB_INTS_TO_EITR(i) ((IGB_ITR_DIVIDEND/i) & IGB_QVECTOR_MASK)
+#define IGB_INTS_TO_EITR(i) (((IGB_ITR_DIVIDEND/i) & IGB_QVECTOR_MASK) << \
+ IGB_ITR_SHIFT)
#define IGB_LINK_ITR 2000
#define I210_LINK_DELAY 1000