-/*-
- * Copyright (c) 2016 Solarflare Communications Inc.
+/* SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 2016-2018 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_TX_H
#define _SFC_TX_H
#include <rte_mbuf.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include "efx.h"
+#include "sfc_dp_tx.h"
+
#ifdef __cplusplus
extern "C" {
#endif
-/**
- * A segment must not cross 4K boundary
- * (this is a requirement of NIC TX descriptors)
- */
-#define SFC_TX_SEG_BOUNDARY 4096
-
struct sfc_adapter;
struct sfc_evq;
-struct sfc_tx_sw_desc {
+/**
+ * Software Tx descriptor information associated with hardware Tx
+ * descriptor.
+ */
+struct sfc_efx_tx_sw_desc {
struct rte_mbuf *mbuf;
-#ifdef RTE_LIBRTE_SFC_EFX_TSO
uint8_t *tsoh; /* Buffer to store TSO header */
-#endif /* RTE_LIBRTE_SFC_EFX_TSO */
};
enum sfc_txq_state_bit {
#define SFC_TXQ_INITIALIZED (1 << SFC_TXQ_INITIALIZED_BIT)
SFC_TXQ_STARTED_BIT,
#define SFC_TXQ_STARTED (1 << SFC_TXQ_STARTED_BIT)
- SFC_TXQ_RUNNING_BIT,
-#define SFC_TXQ_RUNNING (1 << SFC_TXQ_RUNNING_BIT)
SFC_TXQ_FLUSHING_BIT,
#define SFC_TXQ_FLUSHING (1 << SFC_TXQ_FLUSHING_BIT)
SFC_TXQ_FLUSHED_BIT,
#define SFC_TXQ_FLUSHED (1 << SFC_TXQ_FLUSHED_BIT)
+ SFC_TXQ_FLUSH_FAILED_BIT,
+#define SFC_TXQ_FLUSH_FAILED (1 << SFC_TXQ_FLUSH_FAILED_BIT)
};
+/**
+ * Transmit queue control information. Not used on datapath.
+ * Allocated on the socket specified on the queue setup.
+ */
struct sfc_txq {
- struct sfc_evq *evq;
- struct sfc_tx_sw_desc *sw_ring;
- unsigned int state;
- unsigned int ptr_mask;
- efx_desc_t *pend_desc;
- efx_txq_t *common;
- efsys_mem_t mem;
- unsigned int added;
- unsigned int pending;
- unsigned int completed;
- unsigned int free_thresh;
- uint16_t hw_vlan_tci;
-
- unsigned int hw_index;
- unsigned int flags;
+ unsigned int state;
+ unsigned int hw_index;
+ struct sfc_evq *evq;
+ efsys_mem_t mem;
+ struct sfc_dp_txq *dp;
+ efx_txq_t *common;
+ unsigned int free_thresh;
+ uint64_t offloads;
};
+static inline unsigned int
+sfc_txq_sw_index_by_hw_index(unsigned int hw_index)
+{
+ return hw_index;
+}
+
static inline unsigned int
sfc_txq_sw_index(const struct sfc_txq *txq)
{
- return txq->hw_index;
+ return sfc_txq_sw_index_by_hw_index(txq->hw_index);
+}
+
+struct sfc_txq *sfc_txq_by_dp_txq(const struct sfc_dp_txq *dp_txq);
+
+/**
+ * Transmit queue information used on libefx-based data path.
+ * Allocated on the socket specified on the queue setup.
+ */
+struct sfc_efx_txq {
+ struct sfc_evq *evq;
+ struct sfc_efx_tx_sw_desc *sw_ring;
+ unsigned int ptr_mask;
+ efx_desc_t *pend_desc;
+ efx_txq_t *common;
+ unsigned int added;
+ unsigned int pending;
+ unsigned int completed;
+ unsigned int max_fill_level;
+ unsigned int free_thresh;
+ uint16_t hw_vlan_tci;
+ uint16_t dma_desc_size_max;
+
+ unsigned int hw_index;
+ unsigned int flags;
+#define SFC_EFX_TXQ_FLAG_STARTED 0x1
+#define SFC_EFX_TXQ_FLAG_RUNNING 0x2
+
+ /* Datapath transmit queue anchor */
+ struct sfc_dp_txq dp;
+};
+
+static inline struct sfc_efx_txq *
+sfc_efx_txq_by_dp_txq(struct sfc_dp_txq *dp_txq)
+{
+ return container_of(dp_txq, struct sfc_efx_txq, dp);
}
struct sfc_txq_info {
boolean_t deferred_started;
};
-int sfc_tx_init(struct sfc_adapter *sa);
-void sfc_tx_fini(struct sfc_adapter *sa);
+int sfc_tx_configure(struct sfc_adapter *sa);
+void sfc_tx_close(struct sfc_adapter *sa);
int sfc_tx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
uint16_t nb_tx_desc, unsigned int socket_id,
int sfc_tx_start(struct sfc_adapter *sa);
void sfc_tx_stop(struct sfc_adapter *sa);
-uint16_t sfc_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
- uint16_t nb_pkts);
+uint64_t sfc_tx_get_dev_offload_caps(struct sfc_adapter *sa);
+uint64_t sfc_tx_get_queue_offload_caps(struct sfc_adapter *sa);
-#ifdef RTE_LIBRTE_SFC_EFX_TSO
/* From 'sfc_tso.c' */
-int sfc_tso_alloc_tsoh_objs(struct sfc_tx_sw_desc *sw_ring,
- unsigned int txq_entries, unsigned int socket_id);
-void sfc_tso_free_tsoh_objs(struct sfc_tx_sw_desc *sw_ring,
- unsigned int txq_entries);
-int sfc_tso_do(struct sfc_txq *txq, unsigned int idx, struct rte_mbuf **in_seg,
- size_t *in_off, efx_desc_t **pend, unsigned int *pkt_descs,
- size_t *pkt_len);
-#else /* !RTE_LIBRTE_SFC_EFX_TSO */
-static inline int
-sfc_tso_alloc_tsoh_objs(__rte_unused struct sfc_tx_sw_desc *sw_ring,
- __rte_unused unsigned int txq_entries,
- __rte_unused unsigned int socket_id)
-{
- return 0;
-}
-
-static inline void
-sfc_tso_free_tsoh_objs(__rte_unused struct sfc_tx_sw_desc *sw_ring,
- __rte_unused unsigned int txq_entries)
-{
-}
-#endif /* RTE_LIBRTE_SFC_EFX_TSO */
+int sfc_efx_tso_alloc_tsoh_objs(struct sfc_efx_tx_sw_desc *sw_ring,
+ unsigned int txq_entries,
+ unsigned int socket_id);
+void sfc_efx_tso_free_tsoh_objs(struct sfc_efx_tx_sw_desc *sw_ring,
+ unsigned int txq_entries);
+int sfc_efx_tso_do(struct sfc_efx_txq *txq, unsigned int idx,
+ struct rte_mbuf **in_seg, size_t *in_off, efx_desc_t **pend,
+ unsigned int *pkt_descs, size_t *pkt_len);
#ifdef __cplusplus
}
git.droids-corp.org / dpdk.git / blobdiff