bonding: extend arp_validate to be able to receive unvalidated arp-only traffic
Currently we can either receive any traffic as a proff of slave being up,
or only *validated* arp traffic (i.e. with src/dst ip checked).
Add an option to be able to specify if we want to receive non-validated arp
traffic only.
CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index ad20c8c..5f997b9 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -47,11 +47,14 @@
};
static struct bond_opt_value bond_arp_validate_tbl[] = {
- { "none", BOND_ARP_VALIDATE_NONE, BOND_VALFLAG_DEFAULT},
- { "active", BOND_ARP_VALIDATE_ACTIVE, 0},
- { "backup", BOND_ARP_VALIDATE_BACKUP, 0},
- { "all", BOND_ARP_VALIDATE_ALL, 0},
- { NULL, -1, 0},
+ { "none", BOND_ARP_VALIDATE_NONE, BOND_VALFLAG_DEFAULT},
+ { "active", BOND_ARP_VALIDATE_ACTIVE, 0},
+ { "backup", BOND_ARP_VALIDATE_BACKUP, 0},
+ { "all", BOND_ARP_VALIDATE_ALL, 0},
+ { "filter", BOND_ARP_FILTER, 0},
+ { "filter_active", BOND_ARP_FILTER_ACTIVE, 0},
+ { "filter_backup", BOND_ARP_FILTER_BACKUP, 0},
+ { NULL, -1, 0},
};
static struct bond_opt_value bond_arp_all_targets_tbl[] = {
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 86ccfb9..ab2e651 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -342,6 +342,11 @@
#define BOND_ARP_VALIDATE_BACKUP (1 << BOND_STATE_BACKUP)
#define BOND_ARP_VALIDATE_ALL (BOND_ARP_VALIDATE_ACTIVE | \
BOND_ARP_VALIDATE_BACKUP)
+#define BOND_ARP_FILTER (BOND_ARP_VALIDATE_ALL + 1)
+#define BOND_ARP_FILTER_ACTIVE (BOND_ARP_VALIDATE_ACTIVE | \
+ BOND_ARP_FILTER)
+#define BOND_ARP_FILTER_BACKUP (BOND_ARP_VALIDATE_BACKUP | \
+ BOND_ARP_FILTER)
static inline int slave_do_arp_validate(struct bonding *bond,
struct slave *slave)
@@ -349,6 +354,12 @@
return bond->params.arp_validate & (1 << bond_slave_state(slave));
}
+static inline int slave_do_arp_validate_only(struct bonding *bond,
+ struct slave *slave)
+{
+ return bond->params.arp_validate & BOND_ARP_FILTER;
+}
+
/* Get the oldest arp which we've received on this slave for bond's
* arp_targets.
*/