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authorSudarsana Reddy Kalluru2016-06-21 09:36:21 -0400
committerDavid S. Miller2016-06-23 15:56:46 -0400
commit722003ac40c2c397bd5bc2b714125bc82ab27043 (patch)
treeff93a5075ef810931d0434d42d0fd55b68ff7ae0 /include/linux/qed
parentdc14341ed6b4e9d0a1d68c437a7ba84a621f1714 (diff)
qed: Add support for coalescing config read/update.
This patch adds support for configuring the device tx/rx coalescing timeout values in the order of micro seconds. It also adds APIs for upper layer drivers for reading/updating the coalescing values. Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/qed')
-rw-r--r--include/linux/qed/qed_if.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index e1d5122e8a96..b1e3c57c7117 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -489,6 +489,30 @@ struct qed_common_ops {
struct qed_chain *p_chain);
/**
+ * @brief get_coalesce - Get coalesce parameters in usec
+ *
+ * @param cdev
+ * @param rx_coal - Rx coalesce value in usec
+ * @param tx_coal - Tx coalesce value in usec
+ *
+ */
+ void (*get_coalesce)(struct qed_dev *cdev, u16 *rx_coal, u16 *tx_coal);
+
+/**
+ * @brief set_coalesce - Configure Rx coalesce value in usec
+ *
+ * @param cdev
+ * @param rx_coal - Rx coalesce value in usec
+ * @param tx_coal - Tx coalesce value in usec
+ * @param qid - Queue index
+ * @param sb_id - Status Block Id
+ *
+ * @return 0 on success, error otherwise.
+ */
+ int (*set_coalesce)(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
+ u8 qid, u16 sb_id);
+
+/**
* @brief set_led - Configure LED mode
*
* @param cdev