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-rw-r--r--src/spdk/dpdk/drivers/net/thunderx/nicvf_rxtx.h118
1 files changed, 118 insertions, 0 deletions
diff --git a/src/spdk/dpdk/drivers/net/thunderx/nicvf_rxtx.h b/src/spdk/dpdk/drivers/net/thunderx/nicvf_rxtx.h
new file mode 100644
index 00000000..a39808cb
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/thunderx/nicvf_rxtx.h
@@ -0,0 +1,118 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016 Cavium, Inc
+ */
+
+#ifndef __THUNDERX_NICVF_RXTX_H__
+#define __THUNDERX_NICVF_RXTX_H__
+
+#include <rte_byteorder.h>
+#include <rte_ethdev_driver.h>
+
+#define NICVF_RX_OFFLOAD_NONE 0x1
+#define NICVF_RX_OFFLOAD_CKSUM 0x2
+#define NICVF_RX_OFFLOAD_VLAN_STRIP 0x4
+
+#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_iova(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_iova(pkt);
+}
+#endif
+
+static inline void
+nicvf_mbuff_init_update(struct rte_mbuf *pkt, const uint64_t mbuf_init,
+ uint16_t apad)
+{
+ union mbuf_initializer init = {.value = mbuf_init};
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+ init.fields.data_off += apad;
+#else
+ init.value += apad;
+#endif
+ *(uint64_t *)(&pkt->rearm_data) = init.value;
+}
+
+static inline void
+nicvf_mbuff_init_mseg_update(struct rte_mbuf *pkt, const uint64_t mbuf_init,
+ uint16_t apad, uint16_t nb_segs)
+{
+ union mbuf_initializer init = {.value = mbuf_init};
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
+ init.fields.data_off += apad;
+#else
+ init.value += apad;
+#endif
+ init.fields.nb_segs = nb_segs;
+ *(uint64_t *)(&pkt->rearm_data) = init.value;
+}
+
+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_no_offload(void *rxq, struct rte_mbuf **rx_pkts,
+ uint16_t pkts);
+uint16_t nicvf_recv_pkts_cksum(void *rxq, struct rte_mbuf **rx_pkts,
+ uint16_t pkts);
+uint16_t nicvf_recv_pkts_vlan_strip(void *rx_queue, struct rte_mbuf **rx_pkts,
+ uint16_t nb_pkts);
+uint16_t nicvf_recv_pkts_cksum_vlan_strip(void *rx_queue,
+ struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
+
+uint16_t nicvf_recv_pkts_multiseg_no_offload(void *rx_queue,
+ struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
+uint16_t nicvf_recv_pkts_multiseg_cksum(void *rx_queue,
+ struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
+uint16_t nicvf_recv_pkts_multiseg_vlan_strip(void *rx_queue,
+ struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
+uint16_t nicvf_recv_pkts_multiseg_cksum_vlan_strip(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__ */