Imported Upstream version 16.07-rc1

[deb_dpdk.git] / drivers / net / thunderx / nicvf_rxtx.h

diff --git a/drivers/net/thunderx/nicvf_rxtx.h b/drivers/net/thunderx/nicvf_rxtx.h
new file mode 100644 (file)
index 0000000..9dad8a5
--- /dev/null
+++ b/drivers/net/thunderx/nicvf_rxtx.h
@@ -0,0 +1,101 @@
+/*
+ *   BSD LICENSE
+ *
+ *   Copyright (C) Cavium networks Ltd. 2016.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Cavium networks nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   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 __THUNDERX_NICVF_RXTX_H__
+#define __THUNDERX_NICVF_RXTX_H__
+
+#include <rte_byteorder.h>
+#include <rte_ethdev.h>
+
+#define NICVF_TX_OFFLOAD_MASK (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK)
+
+#ifndef __hot
+#define __hot  __attribute__((hot))
+#endif
+
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+static inline uint16_t __attribute__((const))
+nicvf_frag_num(uint16_t i)
+{
+       return (i & ~3) + 3 - (i & 3);
+}
+
+static inline void __hot
+fill_sq_desc_gather(union sq_entry_t *entry, struct rte_mbuf *pkt)
+{
+       /* Local variable sqe to avoid read from sq desc memory*/
+       union sq_entry_t sqe;
+
+       /* Fill the SQ gather entry */
+       sqe.buff[0] = 0; sqe.buff[1] = 0;
+       sqe.gather.subdesc_type = SQ_DESC_TYPE_GATHER;
+       sqe.gather.ld_type = NIC_SEND_LD_TYPE_E_LDT;
+       sqe.gather.size = pkt->data_len;
+       sqe.gather.addr = rte_mbuf_data_dma_addr(pkt);
+
+       entry->buff[0] = sqe.buff[0];
+       entry->buff[1] = sqe.buff[1];
+}
+
+#else
+
+static inline uint16_t __attribute__((const))
+nicvf_frag_num(uint16_t i)
+{
+       return i;
+}
+
+static inline void __hot
+fill_sq_desc_gather(union sq_entry_t *entry, struct rte_mbuf *pkt)
+{
+       entry->buff[0] = (uint64_t)SQ_DESC_TYPE_GATHER << 60 |
+                        (uint64_t)NIC_SEND_LD_TYPE_E_LDT << 58 |
+                        pkt->data_len;
+       entry->buff[1] = rte_mbuf_data_dma_addr(pkt);
+}
+#endif
+
+uint32_t nicvf_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t queue_idx);
+uint32_t nicvf_dev_rbdr_refill(struct rte_eth_dev *dev, uint16_t queue_idx);
+
+uint16_t nicvf_recv_pkts(void *rxq, struct rte_mbuf **rx_pkts, uint16_t pkts);
+uint16_t nicvf_recv_pkts_multiseg(void *rx_queue, struct rte_mbuf **rx_pkts,
+                                 uint16_t nb_pkts);
+
+uint16_t nicvf_xmit_pkts(void *txq, struct rte_mbuf **tx_pkts, uint16_t pkts);
+uint16_t nicvf_xmit_pkts_multiseg(void *txq, struct rte_mbuf **tx_pkts,
+                                 uint16_t pkts);
+
+void nicvf_single_pool_free_xmited_buffers(struct nicvf_txq *sq);
+void nicvf_multi_pool_free_xmited_buffers(struct nicvf_txq *sq);
+
+#endif /* __THUNDERX_NICVF_RXTX_H__  */