diff options
| author | Ido Schimmel <idosch@mellanox.com> | 2017-02-08 13:16:39 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-08 23:25:18 +0300 |
| commit | 982acb97560c8118c2109504a22b0d78a580547d (patch) | |
| tree | d262e8cff973d4916d11a7f6b2b1e216de8ae1c4 /include/net/ip_fib.h | |
| parent | 70ad35067c99dd6fb1fefbabf11dd53806f1978c (diff) | |
| download | linux-982acb97560c8118c2109504a22b0d78a580547d.tar.xz | |
ipv4: fib: Notify about nexthop status changes
When a multipath route is hit the kernel doesn't consider nexthops that
are DEAD or LINKDOWN when IN_DEV_IGNORE_ROUTES_WITH_LINKDOWN is set.
Devices that offload multipath routes need to be made aware of nexthop
status changes. Otherwise, the device will keep forwarding packets to
non-functional nexthops.
Add the FIB_EVENT_NH_{ADD,DEL} events to the fib notification chain,
which notify capable devices when they should add or delete a nexthop
from their tables.
Cc: Roopa Prabhu <roopa@cumulusnetworks.com>
Cc: David Ahern <dsa@cumulusnetworks.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip_fib.h')
| -rw-r--r-- | include/net/ip_fib.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 57c2a863d0b2..45a184eaff2b 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -214,11 +214,18 @@ struct fib_entry_notifier_info { u32 nlflags; }; +struct fib_nh_notifier_info { + struct fib_notifier_info info; /* must be first */ + struct fib_nh *fib_nh; +}; + enum fib_event_type { FIB_EVENT_ENTRY_ADD, FIB_EVENT_ENTRY_DEL, FIB_EVENT_RULE_ADD, FIB_EVENT_RULE_DEL, + FIB_EVENT_NH_ADD, + FIB_EVENT_NH_DEL, }; int register_fib_notifier(struct notifier_block *nb, |