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SubjectRE: [PATCH net-next] net: flow_offload: add support for ARP frame matching
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> -----Original Message-----
> From: Steen Hegelund <steen.hegelund@microchip.com>
> Sent: piątek, 4 listopada 2022 13:33
> To: David S . Miller <davem@davemloft.net>; Eric Dumazet <edumazet@google.com>; Jakub Kicinski <kuba@kernel.org>; Paolo
> Abeni <pabeni@redhat.com>
> Cc: Steen Hegelund <steen.hegelund@microchip.com>; Louis Peens <louis.peens@corigine.com>; Baowen Zheng
> <baowen.zheng@corigine.com>; Simon Horman <simon.horman@corigine.com>; Nguyen, Anthony L
> <anthony.l.nguyen@intel.com>; Drewek, Wojciech <wojciech.drewek@intel.com>; Maksym Glubokiy
> <maksym.glubokiy@plvision.eu>; Pablo Neira Ayuso <pablo@netfilter.org>; netdev@vger.kernel.org; linux-kernel@vger.kernel.org;
> UNGLinuxDriver@microchip.com; Horatiu Vultur <horatiu.vultur@microchip.com>
> Subject: [PATCH net-next] net: flow_offload: add support for ARP frame matching
>
> This adds a new flow_rule_match_arp function that allows drivers
> to be able to dissect APR frames.

ARP* frames
Other than that looks ok.
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>

>
> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
> ---
> 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

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