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netfilter: flowtable: cache info of last offload

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[ Upstream commit 1a441a9b8b ]

Modify flow table offload to cache the last ct info status that was passed
to the driver offload callbacks by extending enum nf_flow_flags with new
"NF_FLOW_HW_ESTABLISHED" flag. Set the flag if ctinfo was 'established'
during last act_ct meta actions fill call. This infrastructure change is
necessary to optimize promoting of UDP connections from 'new' to
'established' in following patches in this series.

Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 125f1c7f26ff ("net/sched: act_ct: Take per-cb reference to tcf_ct_flow_table")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vlad Buslov
2023-02-01 17:30:57 +01:00
committed by Greg Kroah-Hartman
parent c29a7656f8
commit 8b160f2fba
4 changed files with 15 additions and 12 deletions
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7
include/net/netfilter/nf_flow_table.h
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@@ -57,7 +57,7 @@ struct nf_flowtable_type {
struct net_device *dev,
enum flow_block_command cmd);
int (*action)(struct net *net,
const struct flow_offload *flow,
struct flow_offload *flow,
enum flow_offload_tuple_dir dir,
struct nf_flow_rule *flow_rule);
void (*free)(struct nf_flowtable *ft);
@@ -165,6 +165,7 @@ enum nf_flow_flags {
NF_FLOW_HW_DEAD,
NF_FLOW_HW_PENDING,
NF_FLOW_HW_BIDIRECTIONAL,
NF_FLOW_HW_ESTABLISHED,
};
enum flow_offload_type {
@@ -313,10 +314,10 @@ void nf_flow_table_offload_flush_cleanup(struct nf_flowtable *flowtable);
int nf_flow_table_offload_setup(struct nf_flowtable *flowtable,
struct net_device *dev,
enum flow_block_command cmd);
int nf_flow_rule_route_ipv4(struct net *net, const struct flow_offload *flow,
int nf_flow_rule_route_ipv4(struct net *net, struct flow_offload *flow,
enum flow_offload_tuple_dir dir,
struct nf_flow_rule *flow_rule);
int nf_flow_rule_route_ipv6(struct net *net, const struct flow_offload *flow,
int nf_flow_rule_route_ipv6(struct net *net, struct flow_offload *flow,
enum flow_offload_tuple_dir dir,
struct nf_flow_rule *flow_rule);