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selftests: forwarding: Add missing 'rp_filter' configuration

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[ Upstream commit 71a0e29e99405d89b695882d52eec60844173697 ]

When 'rp_filter' is configured in strict mode (1) the tests fail because
packets received from the macvlan netdevs would not be forwarded through
them on the reverse path.

Fix this by disabling the 'rp_filter', meaning no source validation is
performed.

Fixes: 1538812e08 ("selftests: forwarding: Add a test for VXLAN asymmetric routing")
Fixes: 438a4f5665 ("selftests: forwarding: Add a test for VXLAN symmetric routing")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reported-by: Hangbin Liu <liuhangbin@gmail.com>
Tested-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20201015084525.135121-1-idosch@idosch.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ido Schimmel 2020-10-15 11:45:25 +03:00 • committed by Greg Kroah-Hartman
commit 6f7c40767b
2 changed files with 20 additions and 0 deletions
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10
tools/testing/selftests/net/forwarding/vxlan_asymmetric.sh
View file

@ -215,10 +215,16 @@ switch_create()
bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10
bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20
sysctl_set net.ipv4.conf.all.rp_filter 0
sysctl_set net.ipv4.conf.vlan10-v.rp_filter 0
sysctl_set net.ipv4.conf.vlan20-v.rp_filter 0
}
switch_destroy()
{
sysctl_restore net.ipv4.conf.all.rp_filter
bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 20
bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 10
@ -359,6 +365,10 @@ ns_switch_create()
bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10
bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20
sysctl_set net.ipv4.conf.all.rp_filter 0
sysctl_set net.ipv4.conf.vlan10-v.rp_filter 0
sysctl_set net.ipv4.conf.vlan20-v.rp_filter 0
}
export -f ns_switch_create

10
tools/testing/selftests/net/forwarding/vxlan_symmetric.sh
View file

@ -237,10 +237,16 @@ switch_create()
bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10
bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20
sysctl_set net.ipv4.conf.all.rp_filter 0
sysctl_set net.ipv4.conf.vlan10-v.rp_filter 0
sysctl_set net.ipv4.conf.vlan20-v.rp_filter 0
}
switch_destroy()
{
sysctl_restore net.ipv4.conf.all.rp_filter
bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 20
bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 10
@ -402,6 +408,10 @@ ns_switch_create()
bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10
bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20
sysctl_set net.ipv4.conf.all.rp_filter 0
sysctl_set net.ipv4.conf.vlan10-v.rp_filter 0
sysctl_set net.ipv4.conf.vlan20-v.rp_filter 0
}
export -f ns_switch_create