diff mbox series

[net-next,3/4] net: microchip: vcap: Add vcap_rule_get_key_u32

Message ID 20221130143525.934906-4-horatiu.vultur@microchip.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series net: lan966x: Enable PTP on bridge interfaces | expand

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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: 2 this patch: 2
netdev/cc_maintainers success CCed 10 of 10 maintainers
netdev/build_clang success Errors and warnings before: 5 this patch: 5
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: 2 this patch: 2
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 30 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Horatiu Vultur Nov. 30, 2022, 2:35 p.m. UTC
Add the function vcap_rule_get_key_u32 which allows to get the value and
the mask of a key that exist on the rule. If the key doesn't exist,
it would return error.

Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
---
 drivers/net/ethernet/microchip/vcap/vcap_api.c   | 16 ++++++++++++++++
 .../ethernet/microchip/vcap/vcap_api_client.h    |  4 ++++
 2 files changed, 20 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api.c b/drivers/net/ethernet/microchip/vcap/vcap_api.c
index eae4e9fe0e147..05e915ea858d6 100644
--- a/drivers/net/ethernet/microchip/vcap/vcap_api.c
+++ b/drivers/net/ethernet/microchip/vcap/vcap_api.c
@@ -2338,6 +2338,22 @@  int vcap_rule_add_key_u128(struct vcap_rule *rule, enum vcap_key_field key,
 }
 EXPORT_SYMBOL_GPL(vcap_rule_add_key_u128);
 
+int vcap_rule_get_key_u32(struct vcap_rule *rule, enum vcap_key_field key,
+			  u32 *value, u32 *mask)
+{
+	struct vcap_client_keyfield *ckf;
+
+	ckf = vcap_find_keyfield(rule, key);
+	if (!ckf)
+		return -ENOENT;
+
+	*value = ckf->data.u32.value;
+	*mask = ckf->data.u32.mask;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(vcap_rule_get_key_u32);
+
 /* Find a client action field in a rule */
 static struct vcap_client_actionfield *
 vcap_find_actionfield(struct vcap_rule *rule, enum vcap_action_field act)
diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api_client.h b/drivers/net/ethernet/microchip/vcap/vcap_api_client.h
index fdfc5d58813bb..0319866f9c94d 100644
--- a/drivers/net/ethernet/microchip/vcap/vcap_api_client.h
+++ b/drivers/net/ethernet/microchip/vcap/vcap_api_client.h
@@ -258,4 +258,8 @@  int vcap_rule_mod_action_u32(struct vcap_rule *rule,
 			     enum vcap_action_field action,
 			     u32 value);
 
+/* Get a 32 bit key field value and mask from the rule */
+int vcap_rule_get_key_u32(struct vcap_rule *rule, enum vcap_key_field key,
+			  u32 *value, u32 *mask);
+
 #endif /* __VCAP_API_CLIENT__ */