lkml.org 
[lkml]   [2022]   [Nov]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net-next 3/4] net: microchip: vcap: Add vcap_rule_get_key_u32
Date
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 --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__ */
--
2.38.0
\
 
 \ /
  Last update: 2022-11-30 15:33    [W:0.039 / U:9.488 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site