netfilter: flowtable: allow unidirectional rules

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[ Upstream commit 8f84780b84 ]

Modify flow table offload to support unidirectional connections by
extending enum nf_flow_flags with new "NF_FLOW_HW_BIDIRECTIONAL" flag. Only
offload reply direction when the flag is set. This infrastructure change is
necessary to support offloading UDP NEW connections in original direction
in following patches in series.

Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 125f1c7f26 ("net/sched: act_ct: Take per-cb reference to tcf_ct_flow_table")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Vlad Buslov 2023-02-01 17:30:56 +01:00 • committed by Greg Kroah-Hartman

parent e681f711e9

commit c29a7656f8

2 changed files with 9 additions and 4 deletions

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1

include/net/netfilter/nf_flow_table.h

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12

net/netfilter/nf_flow_table_offload.c

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