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[2a01:cb05:8d23:d600:b637:ad91:a758:ba3f]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-432da299dadsm27965975e9.43.2024.11.14.08.03.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Nov 2024 08:03:17 -0800 (PST) Date: Thu, 14 Nov 2024 17:03:16 +0100 From: Guillaume Nault To: Pablo Neira Ayuso , Jozsef Kadlecsik Cc: netfilter-devel@vger.kernel.org, "David S. Miller" , David Ahern , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , coreteam@netfilter.org, netdev@vger.kernel.org, Ido Schimmel Subject: [PATCH nf-next 0/5] netfilter: Prepare netfilter to future .flowi4_tos conversion. Message-ID: Precedence: bulk X-Mailing-List: netfilter-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline There are multiple occasions where Netfilter code needs to perform route lookups and initialise struct flowi4. As we're in the process of converting the .flowi4_tos field to dscp_t, we need to convert the users so that they have a dscp_t value at hand, rather than a __u8. All netfilter users get the DSCP (TOS) value from IPv4 packet headers. So we just need to use the new ip4h_dscp() helper to get a dscp_t variable. Converting .flowi4_tos to dscp_t will allow to detect regressions where ECN bits are mistakenly treated as DSCP when doing route lookups. Guillaume Nault (5): netfilter: ipv4: Convert ip_route_me_harder() to dscp_t. netfilter: flow_offload: Convert nft_flow_route() to dscp_t. netfilter: rpfilter: Convert rpfilter_mt() to dscp_t. netfilter: nft_fib: Convert nft_fib4_eval() to dscp_t. netfilter: nf_dup4: Convert nf_dup_ipv4_route() to dscp_t. net/ipv4/netfilter.c | 2 +- net/ipv4/netfilter/ipt_rpfilter.c | 2 +- net/ipv4/netfilter/nf_dup_ipv4.c | 2 +- net/ipv4/netfilter/nft_fib_ipv4.c | 3 ++- net/netfilter/nft_flow_offload.c | 4 ++-- 5 files changed, 7 insertions(+), 6 deletions(-) -- 2.39.2