netdev - [PATCH v4 net-next 3/9] devlink: Add generic parameter msix_vec_per_pf

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Message-Id: <1538631832-15481-4-git-send-email-vasundhara-v.volam@broadcom.com>
Date:   Thu,  4 Oct 2018 11:13:46 +0530
From:   Vasundhara Volam <vasundhara-v.volam@...adcom.com>
To:     davem@...emloft.net
Cc:     gerlitz.or@...il.com, michael.chan@...adcom.com,
        netdev@...r.kernel.org, jiri@...lanox.com,
        jakub.kicinski@...ronome.com
Subject: [PATCH v4 net-next 3/9] devlink: Add generic parameter msix_vec_per_pf_min

msix_vec_per_pf_min - This param sets the number of minimal MSIX
vectors required for the device initialization. This value is set
in the device which limits MSIX vectors per PF.

Cc: Jiri Pirko <jiri@...lanox.com>
Cc: Michael Chan <michael.chan@...adcom.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@...adcom.com>
---
 include/net/devlink.h | 4 ++++
 net/core/devlink.c    | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/include/net/devlink.h b/include/net/devlink.h
index 59be17b..361f525 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -364,6 +364,7 @@ enum devlink_param_generic_id {
 	DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
 	DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
 	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
+	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
 
 	/* add new param generic ids above here*/
 	__DEVLINK_PARAM_GENERIC_ID_MAX,
@@ -388,6 +389,9 @@ enum devlink_param_generic_id {
 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
 
+#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
+#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
+
 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)	\
 {									\
 	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				\
diff --git a/net/core/devlink.c b/net/core/devlink.c
index ce9fe63..25d3bfa 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -2685,6 +2685,11 @@ static int devlink_nl_cmd_reload(struct sk_buff *skb, struct genl_info *info)
 		.name = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME,
 		.type = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE,
 	},
+	{
+		.id = DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
+		.name = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME,
+		.type = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE,
+	},
 };
 
 static int devlink_param_generic_verify(const struct devlink_param *param)
-- 
1.8.3.1