* [iptables PATCH] ebtables: Avoid dropping policy when flushing
@ 2021-09-15 15:44 Phil Sutter
2021-09-15 16:33 ` Phil Sutter
0 siblings, 1 reply; 2+ messages in thread
From: Phil Sutter @ 2021-09-15 15:44 UTC (permalink / raw)
To: Pablo Neira Ayuso; +Cc: netfilter-devel
Unlike nftables, ebtables' user-defined chains have policies -
ebtables-nft implements those internally as invisible last rule. In
order to recreate them after a flush command, a rule cache is needed.
https://bugzilla.netfilter.org/show_bug.cgi?id=1558
Signed-off-by: Phil Sutter <phil@nwl.cc>
---
iptables/nft-cmd.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/iptables/nft-cmd.c b/iptables/nft-cmd.c
index 87e66905655d6..efe6840f78ed7 100644
--- a/iptables/nft-cmd.c
+++ b/iptables/nft-cmd.c
@@ -167,7 +167,9 @@ int nft_cmd_rule_flush(struct nft_handle *h, const char *chain,
if (!cmd)
return 0;
- if (chain || verbose)
+ if (h->family == NFPROTO_BRIDGE)
+ nft_cache_level_set(h, NFT_CL_RULES, cmd);
+ else if (chain || verbose)
nft_cache_level_set(h, NFT_CL_CHAINS, cmd);
else
nft_cache_level_set(h, NFT_CL_TABLES, cmd);
--
2.33.0
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2021-09-15 15:44 [iptables PATCH] ebtables: Avoid dropping policy when flushing Phil Sutter
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