netdev - [PATCH net-next 3/8] devlink: Add generic parameter msix_vec_per_pf

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Message-Id: <1536655505-14387-4-git-send-email-vasundhara-v.volam@broadcom.com>
Date:   Tue, 11 Sep 2018 14:15:00 +0530
From:   Vasundhara Volam <vasundhara-v.volam@...adcom.com>
To:     davem@...emloft.net
Cc:     michael.chan@...adcom.com, netdev@...r.kernel.org
Subject: [PATCH net-next 3/8] devlink: Add generic parameter msix_vec_per_pf_max

msix_vec_per_pf_max - This param sets the number of MSIX vectors
that the device requests from the host on driver initialization.
This value is set in the device which is applicable per PF.

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 8a6063e..9619a68 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_HW_TC_OFFLOAD,
 	DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
+	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
 
 	/* 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_IGNORE_ARI_NAME "ignore_ari"
 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
 
+#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(_id, _cmodes, _get, _set, _validate)	\
 {									\
 	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				\
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 30f32e5..fce5c1d 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -2686,6 +2686,11 @@ static int devlink_nl_cmd_reload(struct sk_buff *skb, struct genl_info *info)
 		.name = DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME,
 		.type = DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE,
 	},
+	{
+		.id = DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
+		.name = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME,
+		.type = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE,
+	},
 };
 
 static int devlink_param_generic_verify(const struct devlink_param *param)
-- 
1.8.3.1