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From 817a0831c54f06dda2727fe1118e7a65181eb128 Mon Sep 17 00:00:00 2001
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From: Eddie Wai <eddie.wai@broadcom.com>
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Date: Wed, 11 Dec 2013 15:38:14 -0800
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Subject: [PATCH] ISCSIUIO: Added fix for the ARP cache flush mechanism
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The ARP cache table wasn't being flushed correctly due to a bug
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in the time stamp comparison. The same bug can also be observed
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to find the oldest entry in the ARP cache table to override.
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Signed-off-by: Eddie Wai <eddie.wai@broadcom.com>
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---
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iscsiuio/src/uip/uip_arp.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/iscsiuio/src/uip/uip_arp.c b/iscsiuio/src/uip/uip_arp.c
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index f7a9594..a8de07f 100644
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--- a/iscsiuio/src/uip/uip_arp.c
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+++ b/iscsiuio/src/uip/uip_arp.c
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@@ -112,7 +112,7 @@ void uip_arp_timer(void)
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for (i = 0; i < UIP_ARPTAB_SIZE; ++i) {
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tabptr = &arp_table[i];
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if ((tabptr->ipaddr[0] | tabptr->ipaddr[1]) != 0 &&
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- arptime - tabptr->time >= UIP_ARP_MAXAGE)
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+ (u8_t)(arptime - tabptr->time) >= UIP_ARP_MAXAGE)
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memset(tabptr->ipaddr, 0, 4);
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}
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@@ -165,8 +165,8 @@ static void uip_arp_update(u16_t *ipaddr, struct uip_eth_addr *ethaddr)
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c = 0;
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for (i = 0; i < UIP_ARPTAB_SIZE; ++i) {
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tabptr = &arp_table[i];
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- if (arptime - tabptr->time > tmpage) {
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- tmpage = arptime - tabptr->time;
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+ if ((u8_t)(arptime - tabptr->time) > tmpage) {
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+ tmpage = (u8_t)(arptime - tabptr->time);
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c = i;
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}
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}
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--
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1.8.3.1
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