From 07a4920b17c3741b50ffcb596d4433b54f7e529e Mon Sep 17 00:00:00 2001 From: Yuxiang Zhu Date: Sat, 9 Jul 2022 17:38:29 +0800 Subject: ip: T4517: add option to enable directed broadcast forwarding Directed broadcast is described in rfc1812#section-5.3.5.2 and rfc2644. By default Linux kernel doesn't forward directed broadcast packets unless both of `/proc/sys/net/ipv4/conf/all/bc_forwarding` and `/proc/sys/net/ipv4/conf/$iface/bc_forwarding` are set to 1. --- smoketest/scripts/cli/base_interfaces_test.py | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'smoketest/scripts/cli/base_interfaces_test.py') diff --git a/smoketest/scripts/cli/base_interfaces_test.py b/smoketest/scripts/cli/base_interfaces_test.py index 8acf52243..55343b893 100644 --- a/smoketest/scripts/cli/base_interfaces_test.py +++ b/smoketest/scripts/cli/base_interfaces_test.py @@ -638,6 +638,7 @@ class BasicInterfaceTest: self.cli_set(path + ['ip', 'arp-cache-timeout', arp_tmo]) self.cli_set(path + ['ip', 'disable-arp-filter']) self.cli_set(path + ['ip', 'disable-forwarding']) + self.cli_set(path + ['ip', 'enable-directed-broadcast']) self.cli_set(path + ['ip', 'enable-arp-accept']) self.cli_set(path + ['ip', 'enable-arp-announce']) self.cli_set(path + ['ip', 'enable-arp-ignore']) @@ -674,6 +675,9 @@ class BasicInterfaceTest: tmp = read_file(f'{proc_base}/forwarding') self.assertEqual('0', tmp) + tmp = read_file(f'{proc_base}/bc_forwarding') + self.assertEqual('1', tmp) + tmp = read_file(f'{proc_base}/proxy_arp') self.assertEqual('1', tmp) -- cgit v1.2.3