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bonding: extend arp_validate to be able to receive unvalidated arp-only traffic

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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>
This commit is contained in:
Veaceslav Falico 2014-02-18 07:48:40 +01:00 committed by David S. Miller
parent 3fe68df97c
commit 896149ff1b
2 changed files with 19 additions and 5 deletions
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13
drivers/net/bonding/bond_options.c
View File

@ -47,11 +47,14 @@ static struct bond_opt_value bond_xmit_hashtype_tbl[] = {
};
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[] = {

11
drivers/net/bonding/bonding.h
View File

@ -342,6 +342,11 @@ static inline bool bond_is_active_slave(struct slave *slave)
#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 @@ static inline int slave_do_arp_validate(struct bonding *bond,
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.
*/