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Author SHA1 Message Date
Amit Cohen
9ee53e3753 selftests: netdevsim: Test route offload failure notifications
Add cases to verify that when debugfs variable "fail_route_offload" is
set, notification with "rt_offload_failed" flag is received.

Extend the existing cases to verify that when sysctl
"fib_notify_on_flag_change" is set to 2, the kernel emits notifications
only for failed route installation.

$ ./fib_notifications.sh
TEST: IPv4 route addition				[ OK ]
TEST: IPv4 route deletion				[ OK ]
TEST: IPv4 route replacement				[ OK ]
TEST: IPv4 route offload failed				[ OK ]
TEST: IPv6 route addition				[ OK ]
TEST: IPv6 route deletion				[ OK ]
TEST: IPv6 route replacement				[ OK ]
TEST: IPv6 route offload failed				[ OK ]

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-02-08 16:47:03 -08:00
Amit Cohen
19d36d2971 selftests: netdevsim: Add fib_notifications test
Add test to check fib notifications behavior.

The test checks route addition, route deletion and route replacement for
both IPv4 and IPv6.

When fib_notify_on_flag_change=0, expect single notification for route
addition/deletion/replacement.

When fib_notify_on_flag_change=1, expect:
- two notification for route addition/replacement, first without RTM_F_TRAP
  and second with RTM_F_TRAP.
- single notification for route deletion.

$ ./fib_notifications.sh
TEST: IPv4 route addition                                           [ OK ]
TEST: IPv4 route deletion                                           [ OK ]
TEST: IPv4 route replacement                                        [ OK ]
TEST: IPv6 route addition                                           [ OK ]
TEST: IPv6 route deletion                                           [ OK ]
TEST: IPv6 route replacement                                        [ OK ]

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-02-02 17:45:59 -08:00