ethdev: fix check of threshold for Tx freeing

[dpdk.git] / drivers / net / i40e / i40e_rxtx.h

diff --git a/drivers/net/i40e/i40e_rxtx.h b/drivers/net/i40e/i40e_rxtx.h
index decbc3d..87222e6 100644 (file)
--- a/drivers/net/i40e/i40e_rxtx.h
+++ b/drivers/net/i40e/i40e_rxtx.h
@@ -136,8 +136,9 @@ struct i40e_tx_queue {
        uint16_t last_desc_cleaned;
        /**< Total number of TX descriptors ready to be allocated. */
        uint16_t nb_tx_free;
-       /**< Number of TX descriptors to use before RS bit is set. */
-       uint16_t tx_free_thresh; /**< minimum TX before freeing. */
+       /**< Start freeing TX buffers if there are less free descriptors than
+            this value. */
+       uint16_t tx_free_thresh;
        /** Number of TX descriptors to use before RS bit is set. */
        uint16_t tx_rs_thresh;
        uint8_t pthresh; /**< Prefetch threshold register. */