summaryrefslogtreecommitdiff
path: root/include/linux/ethtool.h
diff options
context:
space:
mode:
authorHao Chen <chenhao288@hisilicon.com>2021-11-18 15:12:42 +0300
committerDavid S. Miller <davem@davemloft.net>2021-11-22 15:31:48 +0300
commit0b70c256eba8448b072d25c95ee65e59da8970de (patch)
treeec2ffc000aec9ed28b5de751ebf9b09cdfd0154f /include/linux/ethtool.h
parente445f08af2b15035474439fbbb8649f466ad2501 (diff)
downloadlinux-0b70c256eba8448b072d25c95ee65e59da8970de.tar.xz
ethtool: add support to set/get rx buf len via ethtool
Add support to set rx buf len via ethtool -G parameter and get rx buf len via ethtool -g parameter. Signed-off-by: Hao Chen <chenhao288@hisilicon.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/ethtool.h')
-rw-r--r--include/linux/ethtool.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 845a0ffc16ee..0b252b82988b 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -67,6 +67,22 @@ enum {
ETH_RSS_HASH_FUNCS_COUNT
};
+/**
+ * struct kernel_ethtool_ringparam - RX/TX ring configuration
+ * @rx_buf_len: Current length of buffers on the rx ring.
+ */
+struct kernel_ethtool_ringparam {
+ u32 rx_buf_len;
+};
+
+/**
+ * enum ethtool_supported_ring_param - indicator caps for setting ring params
+ * @ETHTOOL_RING_USE_RX_BUF_LEN: capture for setting rx_buf_len
+ */
+enum ethtool_supported_ring_param {
+ ETHTOOL_RING_USE_RX_BUF_LEN = BIT(0),
+};
+
#define __ETH_RSS_HASH_BIT(bit) ((u32)1 << (bit))
#define __ETH_RSS_HASH(name) __ETH_RSS_HASH_BIT(ETH_RSS_HASH_##name##_BIT)
@@ -432,6 +448,7 @@ struct ethtool_module_power_mode_params {
* @cap_link_lanes_supported: indicates if the driver supports lanes
* parameter.
* @supported_coalesce_params: supported types of interrupt coalescing.
+ * @supported_ring_params: supported ring params.
* @get_drvinfo: Report driver/device information. Should only set the
* @driver, @version, @fw_version and @bus_info fields. If not
* implemented, the @driver and @bus_info fields will be filled in
@@ -613,6 +630,7 @@ struct ethtool_module_power_mode_params {
struct ethtool_ops {
u32 cap_link_lanes_supported:1;
u32 supported_coalesce_params;
+ u32 supported_ring_params;
void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *);
int (*get_regs_len)(struct net_device *);
void (*get_regs)(struct net_device *, struct ethtool_regs *, void *);