From bf16cc8f97ff57db191eec73346ba0333ade342b Mon Sep 17 00:00:00 2001
From: aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Fri, 20 Mar 2009 16:13:47 +0000
Subject: [PATCH] e1000: Fix RX descriptor low threshold interrupt logic (Alex Williamson)
---
hw/e1000.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/e1000.c b/hw/e1000.c
index e6155d6..1644201 100644
--- a/hw/e1000.c
+++ b/hw/e1000.c
@@ -666,8 +666,8 @@ e1000_receive(void *opaque, const uint8_t *buf, int size)
n = E1000_ICS_RXT0;
if ((rdt = s->mac_reg[RDT]) < s->mac_reg[RDH])
rdt += s->mac_reg[RDLEN] / sizeof(desc);
- if (((rdt - s->mac_reg[RDH]) * sizeof(desc)) << s->rxbuf_min_shift >=
- s->mac_reg[RDLEN])
+ if (((rdt - s->mac_reg[RDH]) * sizeof(desc)) <= s->mac_reg[RDLEN] >>
+ s->rxbuf_min_shift)
n |= E1000_ICS_RXDMT0;
set_ics(s, 0, n);
--
libgit2 0.23.3