bonding: make IS_IP_TARGET_UNUSABLE_ADDRESS an inline function
Also, use standard IP primitives to check the address.
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Veaceslav Falico <vfalico@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 744c471..1af2be5 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4195,7 +4195,7 @@
catch mistakes */
__be32 ip;
if (!in4_pton(arp_ip_target[i], -1, (u8 *)&ip, -1, NULL) ||
- IS_IP_TARGET_UNUSABLE_ADDRESS(ip)) {
+ !bond_is_ip_target_ok(ip)) {
pr_warn("Warning: bad arp_ip_target module parameter (%s), ARP monitoring will not be performed\n",
arp_ip_target[i]);
arp_interval = 0;
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index dd7292f..0cf4c1a 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -942,7 +942,7 @@
__be32 *targets = bond->params.arp_targets;
int ind;
- if (IS_IP_TARGET_UNUSABLE_ADDRESS(target)) {
+ if (!bond_is_ip_target_ok(target)) {
pr_err("%s: invalid ARP target %pI4 specified for addition\n",
bond->dev->name, &target);
return -EINVAL;
@@ -987,7 +987,7 @@
unsigned long *targets_rx;
int ind, i;
- if (IS_IP_TARGET_UNUSABLE_ADDRESS(target)) {
+ if (!bond_is_ip_target_ok(target)) {
pr_err("%s: invalid ARP target %pI4 specified for removal\n",
bond->dev->name, &target);
return -EINVAL;
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index bb663a4..ac75b0f 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -54,9 +54,6 @@
((slave)->link == BOND_LINK_UP) && \
bond_is_active_slave(slave))
-#define IS_IP_TARGET_UNUSABLE_ADDRESS(a) \
- ((htonl(INADDR_BROADCAST) == a) || \
- ipv4_is_zeronet(a))
/*
* Less bad way to call ioctl from within the kernel; this needs to be
* done some other way to get the call out of interrupt context.
@@ -406,6 +403,11 @@
return bond->params.arp_validate & BOND_ARP_FILTER;
}
+static inline int bond_is_ip_target_ok(__be32 addr)
+{
+ return !ipv4_is_lbcast(addr) && !ipv4_is_zeronet(addr);
+}
+
/* Get the oldest arp which we've received on this slave for bond's
* arp_targets.
*/