- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
#define RTE_RED_INT16_NBITS (sizeof(uint16_t) * CHAR_BIT)
#define RTE_RED_WQ_LOG2_NUM (RTE_RED_WQ_LOG2_MAX - RTE_RED_WQ_LOG2_MIN + 1)
#define RTE_RED_INT16_NBITS (sizeof(uint16_t) * CHAR_BIT)
#define RTE_RED_WQ_LOG2_NUM (RTE_RED_WQ_LOG2_MAX - RTE_RED_WQ_LOG2_MIN + 1)
-#ifdef RTE_RED_DEBUG
-
-#define RTE_RED_ASSERT(exp) \
-if (!(exp)) { \
- rte_panic("line%d\tassert \"" #exp "\" failed\n", __LINE__); \
-}
-
-#else
-
-#define RTE_RED_ASSERT(exp) do { } while(0)
-
-#endif /* RTE_RED_DEBUG */
-
- *
- * @param [in,out] config pointer to a RED configuration parameter structure
- * @param [in] wq_log2 log2 of the filter weight, valid range is:
+ *
+ * @param red_cfg [in,out] config pointer to a RED configuration parameter structure
+ * @param wq_log2 [in] log2 of the filter weight, valid range is:
- * @param [in] min_th queue minimum threshold in number of packets
- * @param [in] max_th queue maximum threshold in number of packets
- * @param [in] maxp_inv inverse maximum mark probability
- *
+ * @param min_th [in] queue minimum threshold in number of packets
+ * @param max_th [in] queue maximum threshold in number of packets
+ * @param maxp_inv [in] inverse maximum mark probability
+ *
- * @param [in] wq_log2, where EWMA filter weight wq = 1/(2 ^ wq_log2)
- * @param [in] m exponent in the computed value (1 - wq) ^ m
+ * @param wq_log2 [in] where EWMA filter weight wq = 1/(2 ^ wq_log2)
+ * @param m [in] exponent in the computed value (1 - wq) ^ m
* @brief Updates queue average in condition when queue is empty
*
* Note: packet is never dropped in this particular case.
*
* @brief Updates queue average in condition when queue is empty
*
* Note: packet is never dropped in this particular case.
*
- * @param [in] config pointer to a RED configuration parameter structure
- * @param [in,out] data pointer to RED runtime data
- * @param [in] time current time stamp
- *
+ * @param red_cfg [in] config pointer to a RED configuration parameter structure
+ * @param red [in,out] data pointer to RED runtime data
+ * @param time [in] current time stamp
+ *
* @return Operation status
* @retval 0 enqueue the packet
* @retval 1 drop the packet based on max threshold criterion
* @return Operation status
* @retval 0 enqueue the packet
* @retval 1 drop the packet based on max threshold criterion
* transmitted on network port). Such time stamp translates into time units as
* port speed is fixed but such approach simplifies the code.
*/
* transmitted on network port). Such time stamp translates into time units as
* port speed is fixed but such approach simplifies the code.
*/
- * @param [in] config pointer to structure defining RED parameters
- * @param [in,out] data pointer to RED runtime data
+ * @param red_cfg [in] config pointer to structure defining RED parameters
+ * @param red [in,out] data pointer to RED runtime data
/* If drop, generate and save random number to be used next time */
if (unlikely((rte_red_rand_val % pa_den) < pa_num)) {
rte_red_rand_val = rte_fast_rand();
/* If drop, generate and save random number to be used next time */
if (unlikely((rte_red_rand_val % pa_den) < pa_num)) {
rte_red_rand_val = rte_fast_rand();
- * @param [in] config pointer to a RED configuration parameter structure
- * @param [in,out] data pointer to RED runtime data
- * @param [in] q current queue size (measured in packets)
- *
+ * @param red_cfg [in] config pointer to a RED configuration parameter structure
+ * @param red [in,out] data pointer to RED runtime data
+ * @param q [in] current queue size (measured in packets)
+ *
* @return Operation status
* @retval 0 enqueue the packet
* @retval 1 drop the packet based on max threshold criterion
* @return Operation status
* @retval 0 enqueue the packet
* @retval 1 drop the packet based on max threshold criterion
* @brief Decides if new packet should be enqeued or dropped
* Updates run time data based on new queue size value.
* Based on new queue average and RED configuration parameters
* @brief Decides if new packet should be enqeued or dropped
* Updates run time data based on new queue size value.
* Based on new queue average and RED configuration parameters
- * gives verdict whether to enqueue or drop the packet.
+ * gives verdict whether to enqueue or drop the packet.
+ *
+ * @param red_cfg [in] config pointer to a RED configuration parameter structure
+ * @param red [in,out] data pointer to RED runtime data
+ * @param q [in] updated queue size in packets
+ * @param time [in] current time stamp
- * @param [in] config pointer to a RED configuration parameter structure
- * @param [in,out] data pointer to RED runtime data
- * @param [in] q updated queue size in packets
- * @param [in] time current time stamp
- *
* @return Operation status
* @retval 0 enqueue the packet
* @retval 1 drop the packet based on max threshold criteria
* @return Operation status
* @retval 0 enqueue the packet
* @retval 1 drop the packet based on max threshold criteria
- * @param [in,out] data pointer to RED runtime data
- * @param [in] time current time stamp
+ * @param red [in,out] data pointer to RED runtime data
+ * @param time [in] current time stamp