netfilter: Prepare netfilter to future .flowi4_tos conversion.
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Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/5 | netfilter: ipv4: Convert ip_route_me_harder() to dscp_t.net/ | +1 | 0 replies | |
| 2/5 | netfilter: flow_offload: Convert nft_flow_route() to dscp_t.net/ | +2 | 0 replies | |
| 3/5 | netfilter: rpfilter: Convert rpfilter_mt() to dscp_t.net/ | +1 | 0 replies | |
| 4/5 | netfilter: nft_fib: Convert nft_fib4_eval() to dscp_t.net/ | +2 | 0 replies | |
| 5/5 | netfilter: nf_dup4: Convert nf_dup_ipv4_route() to dscp_t.net/ | +1 | 0 replies |
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Cover letter [PATCH nf-next 0/5] netfilter: Prepare netfilter to future .flowi4_tos conversion.
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(-)
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2.39.2