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Message-Id: <20240415093638.123962-2-hengqi@linux.alibaba.com>
Date: Mon, 15 Apr 2024 17:36:35 +0800
From: Heng Qi <hengqi@...ux.alibaba.com>
To: netdev@...r.kernel.org,
virtualization@...ts.linux.dev
Cc: Jakub Kicinski <kuba@...nel.org>,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Paolo Abeni <pabeni@...hat.com>,
Jason Wang <jasowang@...hat.com>,
"Michael S . Tsirkin" <mst@...hat.com>,
Brett Creeley <bcreeley@....com>,
Ratheesh Kannoth <rkannoth@...vell.com>,
Alexander Lobakin <aleksander.lobakin@...el.com>,
Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Subject: [PATCH net-next v7 1/4] linux/dim: move useful macros to .h file
These will be used in subsequent patches, including
newly declared profile arrays.
Signed-off-by: Heng Qi <hengqi@...ux.alibaba.com>
---
include/linux/dim.h | 13 +++++++++++++
lib/dim/net_dim.c | 10 ++--------
2 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/include/linux/dim.h b/include/linux/dim.h
index f343bc9aa2ec..8149d2d6589c 100644
--- a/include/linux/dim.h
+++ b/include/linux/dim.h
@@ -10,6 +10,13 @@
#include <linux/types.h>
#include <linux/workqueue.h>
+/* Number of DIM profiles and period mode. */
+#define NET_DIM_PARAMS_NUM_PROFILES 5
+#define NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE 256
+#define NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE 128
+#define NET_DIM_DEF_PROFILE_CQE 1
+#define NET_DIM_DEF_PROFILE_EQE 1
+
/*
* Number of events between DIM iterations.
* Causes a moderation of the algorithm run.
@@ -127,6 +134,12 @@ enum dim_cq_period_mode {
DIM_CQ_PERIOD_NUM_MODES
};
+extern const struct dim_cq_moder
+rx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES];
+
+extern const struct dim_cq_moder
+tx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES];
+
/**
* enum dim_state - DIM algorithm states
*
diff --git a/lib/dim/net_dim.c b/lib/dim/net_dim.c
index 4e32f7aaac86..a649d9069c06 100644
--- a/lib/dim/net_dim.c
+++ b/lib/dim/net_dim.c
@@ -11,12 +11,6 @@
* There are different set of profiles for RX/TX CQs.
* Each profile size must be of NET_DIM_PARAMS_NUM_PROFILES
*/
-#define NET_DIM_PARAMS_NUM_PROFILES 5
-#define NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE 256
-#define NET_DIM_DEFAULT_TX_CQ_PKTS_FROM_EQE 128
-#define NET_DIM_DEF_PROFILE_CQE 1
-#define NET_DIM_DEF_PROFILE_EQE 1
-
#define NET_DIM_RX_EQE_PROFILES { \
{.usec = 1, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,}, \
{.usec = 8, .pkts = NET_DIM_DEFAULT_RX_CQ_PKTS_FROM_EQE,}, \
@@ -49,13 +43,13 @@
{.usec = 64, .pkts = 32,} \
}
-static const struct dim_cq_moder
+const struct dim_cq_moder
rx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = {
NET_DIM_RX_EQE_PROFILES,
NET_DIM_RX_CQE_PROFILES,
};
-static const struct dim_cq_moder
+const struct dim_cq_moder
tx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = {
NET_DIM_TX_EQE_PROFILES,
NET_DIM_TX_CQE_PROFILES,
--
2.32.0.3.g01195cf9f
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