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Date: Fri, 11 Nov 2022 14:05:14 +0100
From: Steen Hegelund <steen.hegelund@...rochip.com>
To: "David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>
CC: Steen Hegelund <steen.hegelund@...rochip.com>,
<UNGLinuxDriver@...rochip.com>,
Randy Dunlap <rdunlap@...radead.org>,
"Casper Andersson" <casper.casan@...il.com>,
Russell King <rmk+kernel@...linux.org.uk>,
Wan Jiabing <wanjiabing@...o.com>,
"Nathan Huckleberry" <nhuck@...gle.com>,
<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
"Steen Hegelund" <Steen.Hegelund@...rochip.com>,
Daniel Machon <daniel.machon@...rochip.com>,
Horatiu Vultur <horatiu.vultur@...rochip.com>,
Lars Povlsen <lars.povlsen@...rochip.com>,
Simon Horman <simon.horman@...igine.com>,
Louis Peens <louis.peens@...igine.com>,
"Wojciech Drewek" <wojciech.drewek@...el.com>,
Baowen Zheng <baowen.zheng@...igine.com>,
Maksym Glubokiy <maksym.glubokiy@...ision.eu>,
Pablo Neira Ayuso <pablo@...filter.org>
Subject: [PATCH net-next 1/6] 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 ARP frames.
Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.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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