New upstream version 18.02

[deb_dpdk.git] / drivers / net / sfc / sfc_dp_rx.h

diff --git a/drivers/net/sfc/sfc_dp_rx.h b/drivers/net/sfc/sfc_dp_rx.h
index 3f6a604..be725dc 100644 (file)
--- a/drivers/net/sfc/sfc_dp_rx.h
+++ b/drivers/net/sfc/sfc_dp_rx.h
@@ -1,39 +1,17 @@
-/*-
- *   BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2017 Solarflare Communications Inc.
+ * Copyright (c) 2017-2018 Solarflare Communications Inc.
  * All rights reserved.
  *
  * This software was jointly developed between OKTET Labs (under contract
  * for Solarflare) and Solarflare Communications, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. 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 distribution.
- *
- * 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 OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef _SFC_DP_RX_H
 #define _SFC_DP_RX_H
 
 #include <rte_mempool.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
 
 #include "sfc_dp.h"
 
@@ -60,6 +38,8 @@ struct sfc_dp_rxq {
 struct sfc_dp_rx_qcreate_info {
        /** Memory pool to allocate Rx buffer from */
        struct rte_mempool      *refill_mb_pool;
+       /** Maximum number of pushed Rx descriptors in the queue */
+       unsigned int            max_fill_level;
        /** Minimum number of unused Rx descriptors to do refill */
        unsigned int            refill_threshold;
        /**
@@ -100,6 +80,29 @@ struct sfc_dp_rx_qcreate_info {
        volatile void           *mem_bar;
 };
 
+/**
+ * Get Rx datapath specific device info.
+ *
+ * @param dev_info             Device info to be adjusted
+ */
+typedef void (sfc_dp_rx_get_dev_info_t)(struct rte_eth_dev_info *dev_info);
+
+/**
+ * Get size of receive and event queue rings by the number of Rx
+ * descriptors.
+ *
+ * @param nb_rx_desc           Number of Rx descriptors
+ * @param rxq_entries          Location for number of Rx ring entries
+ * @param evq_entries          Location for number of event ring entries
+ * @param rxq_max_fill_level   Location for maximum Rx ring fill level
+ *
+ * @return 0 or positive errno.
+ */
+typedef int (sfc_dp_rx_qsize_up_rings_t)(uint16_t nb_rx_desc,
+                                        unsigned int *rxq_entries,
+                                        unsigned int *evq_entries,
+                                        unsigned int *rxq_max_fill_level);
+
 /**
  * Allocate and initialize datapath receive queue.
  *
@@ -150,7 +153,8 @@ typedef bool (sfc_dp_rx_qrx_ev_t)(struct sfc_dp_rxq *dp_rxq, unsigned int id);
 typedef void (sfc_dp_rx_qpurge_t)(struct sfc_dp_rxq *dp_rxq);
 
 /** Get packet types recognized/classified */
-typedef const uint32_t * (sfc_dp_rx_supported_ptypes_get_t)(void);
+typedef const uint32_t * (sfc_dp_rx_supported_ptypes_get_t)(
+                               uint32_t tunnel_encaps);
 
 /** Get number of pending Rx descriptors */
 typedef unsigned int (sfc_dp_rx_qdesc_npending_t)(struct sfc_dp_rxq *dp_rxq);
@@ -166,6 +170,9 @@ struct sfc_dp_rx {
        unsigned int                            features;
 #define SFC_DP_RX_FEAT_SCATTER                 0x1
 #define SFC_DP_RX_FEAT_MULTI_PROCESS           0x2
+#define SFC_DP_RX_FEAT_TUNNELS                 0x4
+       sfc_dp_rx_get_dev_info_t                *get_dev_info;
+       sfc_dp_rx_qsize_up_rings_t              *qsize_up_rings;
        sfc_dp_rx_qcreate_t                     *qcreate;
        sfc_dp_rx_qdestroy_t                    *qdestroy;
        sfc_dp_rx_qstart_t                      *qstart;