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authorSimon Horman <simon.horman@netronome.com>2017-01-11 14:05:42 +0100
committerDavid S. Miller <davem@davemloft.net>2017-01-11 11:02:47 -0500
commit55733350e5e8b70c5e54a30dbf98148c695f21f5 (patch)
treee5be5791e0594112ac61cc7e33f7ab727349a58a /include/net
parent380043b9dee4579174027f45d4554459d6bb4c38 (diff)
flow disector: ARP support
Allow dissection of (R)ARP operation hardware and protocol addresses for Ethernet hardware and IPv4 protocol addresses. There are currently no users of FLOW_DISSECTOR_KEY_ARP. A follow-up patch will allow FLOW_DISSECTOR_KEY_ARP to be used by the flower classifier. Signed-off-by: Simon Horman <simon.horman@netronome.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/flow_dissector.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index d896a33e00d4..ac9703018a3a 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -89,6 +89,24 @@ struct flow_dissector_key_addrs {
};
/**
+ * flow_dissector_key_arp:
+ * @ports: Operation, source and target addresses for an ARP header
+ * for Ethernet hardware addresses and IPv4 protocol addresses
+ * sip: Sender IP address
+ * tip: Target IP address
+ * op: Operation
+ * sha: Sender hardware address
+ * tpa: Target hardware address
+ */
+struct flow_dissector_key_arp {
+ __u32 sip;
+ __u32 tip;
+ __u8 op;
+ unsigned char sha[ETH_ALEN];
+ unsigned char tha[ETH_ALEN];
+};
+
+/**
* flow_dissector_key_tp_ports:
* @ports: port numbers of Transport header
* src: source port number
@@ -141,6 +159,7 @@ enum flow_dissector_key_id {
FLOW_DISSECTOR_KEY_ICMP, /* struct flow_dissector_key_icmp */
FLOW_DISSECTOR_KEY_ETH_ADDRS, /* struct flow_dissector_key_eth_addrs */
FLOW_DISSECTOR_KEY_TIPC_ADDRS, /* struct flow_dissector_key_tipc_addrs */
+ FLOW_DISSECTOR_KEY_ARP, /* struct flow_dissector_key_arp */
FLOW_DISSECTOR_KEY_VLAN, /* struct flow_dissector_key_flow_vlan */
FLOW_DISSECTOR_KEY_FLOW_LABEL, /* struct flow_dissector_key_flow_tags */
FLOW_DISSECTOR_KEY_GRE_KEYID, /* struct flow_dissector_key_keyid */