2022-11-04 12:35:16

by Steen Hegelund

Subject: [PATCH net-next] net: flow_offload: add support for ARP frame matching

flow_rule_match_arp allows drivers to dissect APR frames

Signed-off-by: Steen Hegelund <[email protected]>
---
include/net/flow_offload.h | 6 ++++++
net/core/flow_offload.c | 7 +++++++
2 files changed, 13 insertions(+)

diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 7a60bc6d72c9..0400a0ac8a29 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -32,6 +32,10 @@ struct flow_match_vlan {
struct flow_dissector_key_vlan *key, *mask;
};

+struct flow_match_arp {
+ struct flow_dissector_key_arp *key, *mask;
+};
+
struct flow_match_ipv4_addrs {
struct flow_dissector_key_ipv4_addrs *key, *mask;
};
@@ -98,6 +102,8 @@ void flow_rule_match_vlan(const struct flow_rule *rule,
struct flow_match_vlan *out);
void flow_rule_match_cvlan(const struct flow_rule *rule,
struct flow_match_vlan *out);
+void flow_rule_match_arp(const struct flow_rule *rule,
+ struct flow_match_arp *out);
void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
struct flow_match_ipv4_addrs *out);
void flow_rule_match_ipv6_addrs(const struct flow_rule *rule,
diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
index abe423fd5736..acfc1f88ea79 100644
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -97,6 +97,13 @@ void flow_rule_match_cvlan(const struct flow_rule *rule,
}
EXPORT_SYMBOL(flow_rule_match_cvlan);

+void flow_rule_match_arp(const struct flow_rule *rule,
+ struct flow_match_arp *out)
+{
+ FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ARP, out);
+}
+EXPORT_SYMBOL(flow_rule_match_arp);
+
void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
struct flow_match_ipv4_addrs *out)
{
--
2.38.1

2022-11-04 12:44:36

by Steen Hegelund

Subject: Re: [PATCH net-next] net: flow_offload: add support for ARP frame matching

Sorry: 

Please ignore this. The commit message had not been updated...

BR
Steen


On Fri, 2022-11-04 at 13:19 +0100, Steen Hegelund wrote:
> flow_rule_match_arp allows drivers to dissect APR frames
>
> Signed-off-by: Steen Hegelund <[email protected]>
> ---
>  include/net/flow_offload.h | 6 ++++++
>  net/core/flow_offload.c    | 7 +++++++
>  2 files changed, 13 insertions(+)
>
> diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
> index 7a60bc6d72c9..0400a0ac8a29 100644
> --- a/include/net/flow_offload.h
> +++ b/include/net/flow_offload.h
> @@ -32,6 +32,10 @@ struct flow_match_vlan {
>         struct flow_dissector_key_vlan *key, *mask;
>  };
>  
> +struct flow_match_arp {
> +       struct flow_dissector_key_arp *key, *mask;
> +};
> +
>  struct flow_match_ipv4_addrs {
>         struct flow_dissector_key_ipv4_addrs *key, *mask;
>  };
> @@ -98,6 +102,8 @@ void flow_rule_match_vlan(const struct flow_rule *rule,
>                           struct flow_match_vlan *out);
>  void flow_rule_match_cvlan(const struct flow_rule *rule,
>                            struct flow_match_vlan *out);
> +void flow_rule_match_arp(const struct flow_rule *rule,
> +                        struct flow_match_arp *out);
>  void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
>                                 struct flow_match_ipv4_addrs *out);
>  void flow_rule_match_ipv6_addrs(const struct flow_rule *rule,
> diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
> index abe423fd5736..acfc1f88ea79 100644
> --- a/net/core/flow_offload.c
> +++ b/net/core/flow_offload.c
> @@ -97,6 +97,13 @@ void flow_rule_match_cvlan(const struct flow_rule *rule,
>  }
>  EXPORT_SYMBOL(flow_rule_match_cvlan);
>  
> +void flow_rule_match_arp(const struct flow_rule *rule,
> +                        struct flow_match_arp *out)
> +{
> +       FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_ARP, out);
> +}
> +EXPORT_SYMBOL(flow_rule_match_arp);
> +
>  void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
>                                 struct flow_match_ipv4_addrs *out)
>  {