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authorYufeng Mo2021-08-20 15:35:17 +0800
committerJakub Kicinski2021-08-24 07:38:28 -0700
commit029ee6b14356b94120bedb852dcdaefc0a282cf1 (patch)
treeef86287ef5e0feeea57ddcf852eb22d302eb79a5 /include
parent95d1d2490c278ea316a4350f4c24818275fb989c (diff)
ethtool: add two coalesce attributes for CQE mode
Currently, there are many drivers who support CQE mode configuration, some configure it as a fixed when initialized, some provide an interface to change it by ethtool private flags. In order to make it more generic, add two new 'ETHTOOL_A_COALESCE_USE_CQE_TX' and 'ETHTOOL_A_COALESCE_USE_CQE_RX' coalesce attributes, then these parameters can be accessed by ethtool netlink coalesce uAPI. Also add an new structure kernel_ethtool_coalesce, then the new parameter can be added into this struct. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/ethtool.h11
-rw-r--r--include/uapi/linux/ethtool_netlink.h2
2 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 4711b96dae0c..a9d77a6a3e00 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -172,6 +172,11 @@ extern int
__ethtool_get_link_ksettings(struct net_device *dev,
struct ethtool_link_ksettings *link_ksettings);
+struct kernel_ethtool_coalesce {
+ u8 use_cqe_mode_tx;
+ u8 use_cqe_mode_rx;
+};
+
/**
* ethtool_intersect_link_masks - Given two link masks, AND them together
* @dst: first mask and where result is stored
@@ -211,7 +216,9 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
#define ETHTOOL_COALESCE_TX_USECS_HIGH BIT(19)
#define ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH BIT(20)
#define ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL BIT(21)
-#define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(21, 0)
+#define ETHTOOL_COALESCE_USE_CQE_RX BIT(22)
+#define ETHTOOL_COALESCE_USE_CQE_TX BIT(23)
+#define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(23, 0)
#define ETHTOOL_COALESCE_USECS \
(ETHTOOL_COALESCE_RX_USECS | ETHTOOL_COALESCE_TX_USECS)
@@ -237,6 +244,8 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_RX_USECS_HIGH | \
ETHTOOL_COALESCE_PKT_RATE_LOW | ETHTOOL_COALESCE_PKT_RATE_HIGH | \
ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL)
+#define ETHTOOL_COALESCE_USE_CQE \
+ (ETHTOOL_COALESCE_USE_CQE_RX | ETHTOOL_COALESCE_USE_CQE_TX)
#define ETHTOOL_STAT_NOT_SET (~0ULL)
diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h
index b3b93710eff7..5545f1ca9237 100644
--- a/include/uapi/linux/ethtool_netlink.h
+++ b/include/uapi/linux/ethtool_netlink.h
@@ -377,6 +377,8 @@ enum {
ETHTOOL_A_COALESCE_TX_USECS_HIGH, /* u32 */
ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH, /* u32 */
ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL, /* u32 */
+ ETHTOOL_A_COALESCE_USE_CQE_MODE_TX, /* u8 */
+ ETHTOOL_A_COALESCE_USE_CQE_MODE_RX, /* u8 */
/* add new constants above here */
__ETHTOOL_A_COALESCE_CNT,