From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: [PATCH 6/6] netfilter: nf_tables: fix trace of matching non-terminal rule Date: Tue, 20 May 2014 11:45:26 +0200 Message-ID: <1400579126-6451-7-git-send-email-pablo@netfilter.org> References: <1400579126-6451-1-git-send-email-pablo@netfilter.org> Cc: davem@davemloft.net, netdev@vger.kernel.org To: netfilter-devel@vger.kernel.org Return-path: In-Reply-To: <1400579126-6451-1-git-send-email-pablo@netfilter.org> Sender: netdev-owner@vger.kernel.org List-Id: netfilter-devel.vger.kernel.org Add the corresponding trace if we have a full match in a non-terminal rule. Note that the traces will look slightly different than in x_tables since the log message after all expressions have been evaluated (contrary to x_tables, that emits it before the target action). This manifests in two differences in nf_tables wrt. x_tables: 1) The rule that enables the tracing is included in the trace. 2) If the rule emits some log message, that is shown before the trace log message. Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_tables_core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c index 421c36a..345acfb 100644 --- a/net/netfilter/nf_tables_core.c +++ b/net/netfilter/nf_tables_core.c @@ -144,8 +144,10 @@ next_rule: switch (data[NFT_REG_VERDICT].verdict) { case NFT_BREAK: data[NFT_REG_VERDICT].verdict = NFT_CONTINUE; - /* fall through */ + continue; case NFT_CONTINUE: + if (unlikely(pkt->skb->nf_trace)) + nft_trace_packet(pkt, chain, rulenum, NFT_TRACE_RULE); continue; } break; -- 1.7.10.4