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net: flow_offload: add support for ARP frame matching

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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@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steen Hegelund 2022-11-11 14:05:14 +01:00 committed by David S. Miller
parent 2fd450cd83
commit 70ea86a0df
2 changed files with 13 additions and 0 deletions
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6
include/net/flow_offload.h
View File

@ -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,

7
net/core/flow_offload.c
View File

@ -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)
{