diff mbox series

[net-next,1/6] net: flow_offload: add support for ARP frame matching

Message ID 20221111130519.1459549-2-steen.hegelund@microchip.com (mailing list archive)
State Accepted
Commit 70ea86a0dfed10e00ee2666dadeb563bab00efea
Delegated to: Netdev Maintainers
Headers show
Series Add support for sorted VCAP rules in Sparx5 | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1770 this patch: 1770
netdev/cc_maintainers warning 1 maintainers not CCed: anthony.l.nguyen@intel.com
netdev/build_clang success Errors and warnings before: 168 this patch: 168
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1917 this patch: 1917
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 31 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Steen Hegelund Nov. 11, 2022, 1:05 p.m. UTC 
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>
---
 include/net/flow_offload.h | 6 ++++++
 net/core/flow_offload.c    | 7 +++++++
 2 files changed, 13 insertions(+)
diff mbox series

Patch

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)
 {