From 37f9b54bd3cf5d32baa34284fd35e917c6b6aee6 Mon Sep 17 00:00:00 2001 From: Shreyansh Jain Date: Thu, 28 Sep 2017 17:59:44 +0530 Subject: [PATCH] net/dpaa: support Tx and Rx queue setup Signed-off-by: Hemant Agrawal Signed-off-by: Shreyansh Jain --- drivers/net/dpaa/Makefile | 4 + drivers/net/dpaa/dpaa_ethdev.c | 294 +++++++++++++++++++++++++- drivers/net/dpaa/dpaa_rxtx.c | 370 +++++++++++++++++++++++++++++++++ drivers/net/dpaa/dpaa_rxtx.h | 61 ++++++ 4 files changed, 726 insertions(+), 3 deletions(-) create mode 100644 drivers/net/dpaa/dpaa_rxtx.c create mode 100644 drivers/net/dpaa/dpaa_rxtx.h diff --git a/drivers/net/dpaa/Makefile b/drivers/net/dpaa/Makefile index bb305caf20..c77384c9fb 100644 --- a/drivers/net/dpaa/Makefile +++ b/drivers/net/dpaa/Makefile @@ -38,10 +38,12 @@ LIB = librte_pmd_dpaa.a CFLAGS := -I$(SRCDIR) $(CFLAGS) CFLAGS += -O3 $(WERROR_FLAGS) +CFLAGS += -Wno-pointer-arith CFLAGS += -I$(RTE_SDK_DPAA)/ CFLAGS += -I$(RTE_SDK_DPAA)/include CFLAGS += -I$(RTE_SDK)/drivers/bus/dpaa CFLAGS += -I$(RTE_SDK)/drivers/bus/dpaa/include/ +CFLAGS += -I$(RTE_SDK)/drivers/mempool/dpaa CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/include CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal/include @@ -51,7 +53,9 @@ LIBABIVER := 1 # Interfaces with DPDK SRCS-$(CONFIG_RTE_LIBRTE_DPAA_PMD) += dpaa_ethdev.c +SRCS-$(CONFIG_RTE_LIBRTE_DPAA_PMD) += dpaa_rxtx.c LDLIBS += -lrte_bus_dpaa +LDLIBS += -lrte_mempool_dpaa include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c index 4543dfc795..4996daa93d 100644 --- a/drivers/net/dpaa/dpaa_ethdev.c +++ b/drivers/net/dpaa/dpaa_ethdev.c @@ -62,8 +62,15 @@ #include #include +#include #include +#include + +#include +#include +#include +#include /* Keep track of whether QMAN and BMAN have been globally initialized */ static int is_global_init; @@ -78,20 +85,104 @@ dpaa_eth_dev_configure(struct rte_eth_dev *dev __rte_unused) static int dpaa_eth_dev_start(struct rte_eth_dev *dev) { + struct dpaa_if *dpaa_intf = dev->data->dev_private; + PMD_INIT_FUNC_TRACE(); /* Change tx callback to the real one */ - dev->tx_pkt_burst = NULL; + dev->tx_pkt_burst = dpaa_eth_queue_tx; + fman_if_enable_rx(dpaa_intf->fif); return 0; } static void dpaa_eth_dev_stop(struct rte_eth_dev *dev) { - dev->tx_pkt_burst = NULL; + struct dpaa_if *dpaa_intf = dev->data->dev_private; + + PMD_INIT_FUNC_TRACE(); + + fman_if_disable_rx(dpaa_intf->fif); + dev->tx_pkt_burst = dpaa_eth_tx_drop_all; } -static void dpaa_eth_dev_close(struct rte_eth_dev *dev __rte_unused) +static void dpaa_eth_dev_close(struct rte_eth_dev *dev) +{ + PMD_INIT_FUNC_TRACE(); + + dpaa_eth_dev_stop(dev); +} + +static +int dpaa_eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, + uint16_t nb_desc __rte_unused, + unsigned int socket_id __rte_unused, + const struct rte_eth_rxconf *rx_conf __rte_unused, + struct rte_mempool *mp) +{ + struct dpaa_if *dpaa_intf = dev->data->dev_private; + + PMD_INIT_FUNC_TRACE(); + + DPAA_PMD_INFO("Rx queue setup for queue index: %d", queue_idx); + + if (!dpaa_intf->bp_info || dpaa_intf->bp_info->mp != mp) { + struct fman_if_ic_params icp; + uint32_t fd_offset; + uint32_t bp_size; + + if (!mp->pool_data) { + DPAA_PMD_ERR("Not an offloaded buffer pool!"); + return -1; + } + dpaa_intf->bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp); + + memset(&icp, 0, sizeof(icp)); + /* set ICEOF for to the default value , which is 0*/ + icp.iciof = DEFAULT_ICIOF; + icp.iceof = DEFAULT_RX_ICEOF; + icp.icsz = DEFAULT_ICSZ; + fman_if_set_ic_params(dpaa_intf->fif, &icp); + + fd_offset = RTE_PKTMBUF_HEADROOM + DPAA_HW_BUF_RESERVE; + fman_if_set_fdoff(dpaa_intf->fif, fd_offset); + + /* Buffer pool size should be equal to Dataroom Size*/ + bp_size = rte_pktmbuf_data_room_size(mp); + fman_if_set_bp(dpaa_intf->fif, mp->size, + dpaa_intf->bp_info->bpid, bp_size); + dpaa_intf->valid = 1; + DPAA_PMD_INFO("if =%s - fd_offset = %d offset = %d", + dpaa_intf->name, fd_offset, + fman_if_get_fdoff(dpaa_intf->fif)); + } + dev->data->rx_queues[queue_idx] = &dpaa_intf->rx_queues[queue_idx]; + + return 0; +} + +static +void dpaa_eth_rx_queue_release(void *rxq __rte_unused) +{ + PMD_INIT_FUNC_TRACE(); +} + +static +int dpaa_eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, + uint16_t nb_desc __rte_unused, + unsigned int socket_id __rte_unused, + const struct rte_eth_txconf *tx_conf __rte_unused) +{ + struct dpaa_if *dpaa_intf = dev->data->dev_private; + + PMD_INIT_FUNC_TRACE(); + + DPAA_PMD_INFO("Tx queue setup for queue index: %d", queue_idx); + dev->data->tx_queues[queue_idx] = &dpaa_intf->tx_queues[queue_idx]; + return 0; +} + +static void dpaa_eth_tx_queue_release(void *txq __rte_unused) { PMD_INIT_FUNC_TRACE(); } @@ -101,15 +192,102 @@ static struct eth_dev_ops dpaa_devops = { .dev_start = dpaa_eth_dev_start, .dev_stop = dpaa_eth_dev_stop, .dev_close = dpaa_eth_dev_close, + + .rx_queue_setup = dpaa_eth_rx_queue_setup, + .tx_queue_setup = dpaa_eth_tx_queue_setup, + .rx_queue_release = dpaa_eth_rx_queue_release, + .tx_queue_release = dpaa_eth_tx_queue_release, }; +/* Initialise an Rx FQ */ +static int dpaa_rx_queue_init(struct qman_fq *fq, + uint32_t fqid) +{ + struct qm_mcc_initfq opts; + int ret; + + PMD_INIT_FUNC_TRACE(); + + ret = qman_reserve_fqid(fqid); + if (ret) { + DPAA_PMD_ERR("reserve rx fqid %d failed with ret: %d", + fqid, ret); + return -EINVAL; + } + + DPAA_PMD_DEBUG("creating rx fq %p, fqid %d", fq, fqid); + ret = qman_create_fq(fqid, QMAN_FQ_FLAG_NO_ENQUEUE, fq); + if (ret) { + DPAA_PMD_ERR("create rx fqid %d failed with ret: %d", + fqid, ret); + return ret; + } + + opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL | + QM_INITFQ_WE_CONTEXTA; + + opts.fqd.dest.wq = DPAA_IF_RX_PRIORITY; + opts.fqd.fq_ctrl = QM_FQCTRL_AVOIDBLOCK | QM_FQCTRL_CTXASTASHING | + QM_FQCTRL_PREFERINCACHE; + opts.fqd.context_a.stashing.exclusive = 0; + opts.fqd.context_a.stashing.annotation_cl = DPAA_IF_RX_ANNOTATION_STASH; + opts.fqd.context_a.stashing.data_cl = DPAA_IF_RX_DATA_STASH; + opts.fqd.context_a.stashing.context_cl = DPAA_IF_RX_CONTEXT_STASH; + + /*Enable tail drop */ + opts.we_mask = opts.we_mask | QM_INITFQ_WE_TDTHRESH; + opts.fqd.fq_ctrl = opts.fqd.fq_ctrl | QM_FQCTRL_TDE; + qm_fqd_taildrop_set(&opts.fqd.td, CONG_THRESHOLD_RX_Q, 1); + + ret = qman_init_fq(fq, 0, &opts); + if (ret) + DPAA_PMD_ERR("init rx fqid %d failed with ret: %d", fqid, ret); + return ret; +} + +/* Initialise a Tx FQ */ +static int dpaa_tx_queue_init(struct qman_fq *fq, + struct fman_if *fman_intf) +{ + struct qm_mcc_initfq opts; + int ret; + + PMD_INIT_FUNC_TRACE(); + + ret = qman_create_fq(0, QMAN_FQ_FLAG_DYNAMIC_FQID | + QMAN_FQ_FLAG_TO_DCPORTAL, fq); + if (ret) { + DPAA_PMD_ERR("create tx fq failed with ret: %d", ret); + return ret; + } + opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL | + QM_INITFQ_WE_CONTEXTB | QM_INITFQ_WE_CONTEXTA; + opts.fqd.dest.channel = fman_intf->tx_channel_id; + opts.fqd.dest.wq = DPAA_IF_TX_PRIORITY; + opts.fqd.fq_ctrl = QM_FQCTRL_PREFERINCACHE; + opts.fqd.context_b = 0; + /* no tx-confirmation */ + opts.fqd.context_a.hi = 0x80000000 | fman_dealloc_bufs_mask_hi; + opts.fqd.context_a.lo = 0 | fman_dealloc_bufs_mask_lo; + DPAA_PMD_DEBUG("init tx fq %p, fqid %d", fq, fq->fqid); + ret = qman_init_fq(fq, QMAN_INITFQ_FLAG_SCHED, &opts); + if (ret) + DPAA_PMD_ERR("init tx fqid %d failed %d", fq->fqid, ret); + return ret; +} + /* Initialise a network interface */ static int dpaa_dev_init(struct rte_eth_dev *eth_dev) { + int num_cores, num_rx_fqs, fqid; + int loop, ret = 0; int dev_id; struct rte_dpaa_device *dpaa_device; struct dpaa_if *dpaa_intf; + struct fm_eth_port_cfg *cfg; + struct fman_if *fman_intf; + struct fman_if_bpool *bp, *tmp_bp; PMD_INIT_FUNC_TRACE(); @@ -120,12 +298,108 @@ dpaa_dev_init(struct rte_eth_dev *eth_dev) dpaa_device = DEV_TO_DPAA_DEVICE(eth_dev->device); dev_id = dpaa_device->id.dev_id; dpaa_intf = eth_dev->data->dev_private; + cfg = &dpaa_netcfg->port_cfg[dev_id]; + fman_intf = cfg->fman_if; dpaa_intf->name = dpaa_device->name; + /* save fman_if & cfg in the interface struture */ + dpaa_intf->fif = fman_intf; dpaa_intf->ifid = dev_id; + dpaa_intf->cfg = cfg; + + /* Initialize Rx FQ's */ + if (getenv("DPAA_NUM_RX_QUEUES")) + num_rx_fqs = atoi(getenv("DPAA_NUM_RX_QUEUES")); + else + num_rx_fqs = DPAA_DEFAULT_NUM_PCD_QUEUES; + /* Each device can not have more than DPAA_PCD_FQID_MULTIPLIER RX + * queues. + */ + if (num_rx_fqs <= 0 || num_rx_fqs > DPAA_PCD_FQID_MULTIPLIER) { + DPAA_PMD_ERR("Invalid number of RX queues\n"); + return -EINVAL; + } + + dpaa_intf->rx_queues = rte_zmalloc(NULL, + sizeof(struct qman_fq) * num_rx_fqs, MAX_CACHELINE); + for (loop = 0; loop < num_rx_fqs; loop++) { + fqid = DPAA_PCD_FQID_START + dpaa_intf->ifid * + DPAA_PCD_FQID_MULTIPLIER + loop; + ret = dpaa_rx_queue_init(&dpaa_intf->rx_queues[loop], fqid); + if (ret) + return ret; + dpaa_intf->rx_queues[loop].dpaa_intf = dpaa_intf; + } + dpaa_intf->nb_rx_queues = num_rx_fqs; + + /* Initialise Tx FQs. Have as many Tx FQ's as number of cores */ + num_cores = rte_lcore_count(); + dpaa_intf->tx_queues = rte_zmalloc(NULL, sizeof(struct qman_fq) * + num_cores, MAX_CACHELINE); + if (!dpaa_intf->tx_queues) + return -ENOMEM; + + for (loop = 0; loop < num_cores; loop++) { + ret = dpaa_tx_queue_init(&dpaa_intf->tx_queues[loop], + fman_intf); + if (ret) + return ret; + dpaa_intf->tx_queues[loop].dpaa_intf = dpaa_intf; + } + dpaa_intf->nb_tx_queues = num_cores; + + DPAA_PMD_DEBUG("All frame queues created"); + + /* reset bpool list, initialize bpool dynamically */ + list_for_each_entry_safe(bp, tmp_bp, &cfg->fman_if->bpool_list, node) { + list_del(&bp->node); + rte_free(bp); + } + + /* Populate ethdev structure */ eth_dev->dev_ops = &dpaa_devops; + eth_dev->rx_pkt_burst = dpaa_eth_queue_rx; + eth_dev->tx_pkt_burst = dpaa_eth_tx_drop_all; + + /* Allocate memory for storing MAC addresses */ + eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", + ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER, 0); + if (eth_dev->data->mac_addrs == NULL) { + DPAA_PMD_ERR("Failed to allocate %d bytes needed to " + "store MAC addresses", + ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER); + rte_free(dpaa_intf->rx_queues); + rte_free(dpaa_intf->tx_queues); + dpaa_intf->rx_queues = NULL; + dpaa_intf->tx_queues = NULL; + dpaa_intf->nb_rx_queues = 0; + dpaa_intf->nb_tx_queues = 0; + return -ENOMEM; + } + + /* copy the primary mac address */ + ether_addr_copy(&fman_intf->mac_addr, ð_dev->data->mac_addrs[0]); + + RTE_LOG(INFO, PMD, "net: dpaa: %s: %02x:%02x:%02x:%02x:%02x:%02x\n", + dpaa_device->name, + fman_intf->mac_addr.addr_bytes[0], + fman_intf->mac_addr.addr_bytes[1], + fman_intf->mac_addr.addr_bytes[2], + fman_intf->mac_addr.addr_bytes[3], + fman_intf->mac_addr.addr_bytes[4], + fman_intf->mac_addr.addr_bytes[5]); + + /* Disable RX mode */ + fman_if_discard_rx_errors(fman_intf); + fman_if_disable_rx(fman_intf); + /* Disable promiscuous mode */ + fman_if_promiscuous_disable(fman_intf); + /* Disable multicast */ + fman_if_reset_mcast_filter_table(fman_intf); + /* Reset interface statistics */ + fman_if_stats_reset(fman_intf); return 0; } @@ -147,6 +421,20 @@ dpaa_dev_uninit(struct rte_eth_dev *dev) dpaa_eth_dev_close(dev); + /* release configuration memory */ + if (dpaa_intf->fc_conf) + rte_free(dpaa_intf->fc_conf); + + rte_free(dpaa_intf->rx_queues); + dpaa_intf->rx_queues = NULL; + + rte_free(dpaa_intf->tx_queues); + dpaa_intf->tx_queues = NULL; + + /* free memory for storing MAC addresses */ + rte_free(dev->data->mac_addrs); + dev->data->mac_addrs = NULL; + dev->dev_ops = NULL; dev->rx_pkt_burst = NULL; dev->tx_pkt_burst = NULL; diff --git a/drivers/net/dpaa/dpaa_rxtx.c b/drivers/net/dpaa/dpaa_rxtx.c new file mode 100644 index 0000000000..c4e67f56f8 --- /dev/null +++ b/drivers/net/dpaa/dpaa_rxtx.c @@ -0,0 +1,370 @@ +/*- + * BSD LICENSE + * + * Copyright 2016 Freescale Semiconductor, Inc. All rights reserved. + * Copyright 2017 NXP. + * + * 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 Freescale Semiconductor, Inc 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. + */ + +/* System headers */ +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "dpaa_ethdev.h" +#include "dpaa_rxtx.h" +#include +#include + +#include +#include +#include +#include +#include + +#define DPAA_MBUF_TO_CONTIG_FD(_mbuf, _fd, _bpid) \ + do { \ + (_fd)->cmd = 0; \ + (_fd)->opaque_addr = 0; \ + (_fd)->opaque = QM_FD_CONTIG << DPAA_FD_FORMAT_SHIFT; \ + (_fd)->opaque |= ((_mbuf)->data_off) << DPAA_FD_OFFSET_SHIFT; \ + (_fd)->opaque |= (_mbuf)->pkt_len; \ + (_fd)->addr = (_mbuf)->buf_physaddr; \ + (_fd)->bpid = _bpid; \ + } while (0) + +static inline struct rte_mbuf *dpaa_eth_fd_to_mbuf(struct qm_fd *fd, + uint32_t ifid) +{ + struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid); + struct rte_mbuf *mbuf; + void *ptr; + uint16_t offset = + (fd->opaque & DPAA_FD_OFFSET_MASK) >> DPAA_FD_OFFSET_SHIFT; + uint32_t length = fd->opaque & DPAA_FD_LENGTH_MASK; + + DPAA_DP_LOG(DEBUG, " FD--->MBUF"); + + /* Ignoring case when format != qm_fd_contig */ + ptr = rte_dpaa_mem_ptov(fd->addr); + /* Ignoring case when ptr would be NULL. That is only possible incase + * of a corrupted packet + */ + + mbuf = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size); + /* Prefetch the Parse results and packet data to L1 */ + rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF)); + rte_prefetch0((void *)((uint8_t *)ptr + offset)); + + mbuf->data_off = offset; + mbuf->data_len = length; + mbuf->pkt_len = length; + + mbuf->port = ifid; + mbuf->nb_segs = 1; + mbuf->ol_flags = 0; + mbuf->next = NULL; + rte_mbuf_refcnt_set(mbuf, 1); + + return mbuf; +} + +uint16_t dpaa_eth_queue_rx(void *q, + struct rte_mbuf **bufs, + uint16_t nb_bufs) +{ + struct qman_fq *fq = q; + struct qm_dqrr_entry *dq; + uint32_t num_rx = 0, ifid = ((struct dpaa_if *)fq->dpaa_intf)->ifid; + int ret; + + ret = rte_dpaa_portal_init((void *)0); + if (ret) { + DPAA_PMD_ERR("Failure in affining portal"); + return 0; + } + + ret = qman_set_vdq(fq, (nb_bufs > DPAA_MAX_DEQUEUE_NUM_FRAMES) ? + DPAA_MAX_DEQUEUE_NUM_FRAMES : nb_bufs); + if (ret) + return 0; + + do { + dq = qman_dequeue(fq); + if (!dq) + continue; + bufs[num_rx++] = dpaa_eth_fd_to_mbuf(&dq->fd, ifid); + qman_dqrr_consume(fq, dq); + } while (fq->flags & QMAN_FQ_STATE_VDQCR); + + return num_rx; +} + +static void *dpaa_get_pktbuf(struct dpaa_bp_info *bp_info) +{ + int ret; + uint64_t buf = 0; + struct bm_buffer bufs; + + ret = bman_acquire(bp_info->bp, &bufs, 1, 0); + if (ret <= 0) { + DPAA_PMD_WARN("Failed to allocate buffers %d", ret); + return (void *)buf; + } + + DPAA_DP_LOG(DEBUG, "got buffer 0x%lx from pool %d", + (uint64_t)bufs.addr, bufs.bpid); + + buf = (uint64_t)rte_dpaa_mem_ptov(bufs.addr) - bp_info->meta_data_size; + if (!buf) + goto out; + +out: + return (void *)buf; +} + +static struct rte_mbuf *dpaa_get_dmable_mbuf(struct rte_mbuf *mbuf, + struct dpaa_if *dpaa_intf) +{ + struct rte_mbuf *dpaa_mbuf; + + /* allocate pktbuffer on bpid for dpaa port */ + dpaa_mbuf = dpaa_get_pktbuf(dpaa_intf->bp_info); + if (!dpaa_mbuf) + return NULL; + + memcpy((uint8_t *)(dpaa_mbuf->buf_addr) + mbuf->data_off, (void *) + ((uint8_t *)(mbuf->buf_addr) + mbuf->data_off), mbuf->pkt_len); + + /* Copy only the required fields */ + dpaa_mbuf->data_off = mbuf->data_off; + dpaa_mbuf->pkt_len = mbuf->pkt_len; + dpaa_mbuf->ol_flags = mbuf->ol_flags; + dpaa_mbuf->packet_type = mbuf->packet_type; + dpaa_mbuf->tx_offload = mbuf->tx_offload; + rte_pktmbuf_free(mbuf); + return dpaa_mbuf; +} + +/* Handle mbufs which are not segmented (non SG) */ +static inline void +tx_on_dpaa_pool_unsegmented(struct rte_mbuf *mbuf, + struct dpaa_bp_info *bp_info, + struct qm_fd *fd_arr) +{ + struct rte_mbuf *mi = NULL; + + if (RTE_MBUF_DIRECT(mbuf)) { + if (rte_mbuf_refcnt_read(mbuf) > 1) { + /* In case of direct mbuf and mbuf being cloned, + * BMAN should _not_ release buffer. + */ + DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff); + /* Buffer should be releasd by EAL */ + rte_mbuf_refcnt_update(mbuf, -1); + } else { + /* In case of direct mbuf and no cloning, mbuf can be + * released by BMAN. + */ + DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, bp_info->bpid); + } + } else { + /* This is data-containing core mbuf: 'mi' */ + mi = rte_mbuf_from_indirect(mbuf); + if (rte_mbuf_refcnt_read(mi) > 1) { + /* In case of indirect mbuf, and mbuf being cloned, + * BMAN should _not_ release it and let EAL release + * it through pktmbuf_free below. + */ + DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff); + } else { + /* In case of indirect mbuf, and no cloning, core mbuf + * should be released by BMAN. + * Increate refcnt of core mbuf so that when + * pktmbuf_free is called and mbuf is released, EAL + * doesn't try to release core mbuf which would have + * been released by BMAN. + */ + rte_mbuf_refcnt_update(mi, 1); + DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, bp_info->bpid); + } + rte_pktmbuf_free(mbuf); + } +} + +/* Handle all mbufs on dpaa BMAN managed pool */ +static inline uint16_t +tx_on_dpaa_pool(struct rte_mbuf *mbuf, + struct dpaa_bp_info *bp_info, + struct qm_fd *fd_arr) +{ + DPAA_DP_LOG(DEBUG, "BMAN offloaded buffer, mbuf: %p", mbuf); + + if (mbuf->nb_segs == 1) { + /* Case for non-segmented buffers */ + tx_on_dpaa_pool_unsegmented(mbuf, bp_info, fd_arr); + } else { + DPAA_PMD_DEBUG("Number of Segments not supported"); + return 1; + } + + return 0; +} + +/* Handle all mbufs on an external pool (non-dpaa) */ +static inline uint16_t +tx_on_external_pool(struct qman_fq *txq, struct rte_mbuf *mbuf, + struct qm_fd *fd_arr) +{ + struct dpaa_if *dpaa_intf = txq->dpaa_intf; + struct rte_mbuf *dmable_mbuf; + + DPAA_DP_LOG(DEBUG, "Non-BMAN offloaded buffer." + "Allocating an offloaded buffer"); + dmable_mbuf = dpaa_get_dmable_mbuf(mbuf, dpaa_intf); + if (!dmable_mbuf) { + DPAA_DP_LOG(DEBUG, "no dpaa buffers."); + return 1; + } + + DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, dpaa_intf->bp_info->bpid); + + return 0; +} + +uint16_t +dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs) +{ + struct rte_mbuf *mbuf, *mi = NULL; + struct rte_mempool *mp; + struct dpaa_bp_info *bp_info; + struct qm_fd fd_arr[MAX_TX_RING_SLOTS]; + uint32_t frames_to_send, loop, i = 0; + uint16_t state; + int ret; + + ret = rte_dpaa_portal_init((void *)0); + if (ret) { + DPAA_PMD_ERR("Failure in affining portal"); + return 0; + } + + DPAA_DP_LOG(DEBUG, "Transmitting %d buffers on queue: %p", nb_bufs, q); + + while (nb_bufs) { + frames_to_send = (nb_bufs >> 3) ? MAX_TX_RING_SLOTS : nb_bufs; + for (loop = 0; loop < frames_to_send; loop++, i++) { + mbuf = bufs[i]; + if (RTE_MBUF_DIRECT(mbuf)) { + mp = mbuf->pool; + } else { + mi = rte_mbuf_from_indirect(mbuf); + mp = mi->pool; + } + + bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp); + if (likely(mp->ops_index == bp_info->dpaa_ops_index)) { + state = tx_on_dpaa_pool(mbuf, bp_info, + &fd_arr[loop]); + if (unlikely(state)) { + /* Set frames_to_send & nb_bufs so + * that packets are transmitted till + * previous frame. + */ + frames_to_send = loop; + nb_bufs = loop; + goto send_pkts; + } + } else { + state = tx_on_external_pool(q, mbuf, + &fd_arr[loop]); + if (unlikely(state)) { + /* Set frames_to_send & nb_bufs so + * that packets are transmitted till + * previous frame. + */ + frames_to_send = loop; + nb_bufs = loop; + goto send_pkts; + } + } + } + +send_pkts: + loop = 0; + while (loop < frames_to_send) { + loop += qman_enqueue_multi(q, &fd_arr[loop], + frames_to_send - loop); + } + nb_bufs -= frames_to_send; + } + + DPAA_DP_LOG(DEBUG, "Transmitted %d buffers on queue: %p", i, q); + + return i; +} + +uint16_t dpaa_eth_tx_drop_all(void *q __rte_unused, + struct rte_mbuf **bufs __rte_unused, + uint16_t nb_bufs __rte_unused) +{ + DPAA_DP_LOG(DEBUG, "Drop all packets"); + + /* Drop all incoming packets. No need to free packets here + * because the rte_eth f/w frees up the packets through tx_buffer + * callback in case this functions returns count less than nb_bufs + */ + return 0; +} diff --git a/drivers/net/dpaa/dpaa_rxtx.h b/drivers/net/dpaa/dpaa_rxtx.h new file mode 100644 index 0000000000..45bfae8e55 --- /dev/null +++ b/drivers/net/dpaa/dpaa_rxtx.h @@ -0,0 +1,61 @@ +/*- + * BSD LICENSE + * + * Copyright 2016 Freescale Semiconductor, Inc. All rights reserved. + * Copyright 2017 NXP. + * + * 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 Freescale Semiconductor, Inc 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 __DPDK_RXTX_H__ +#define __DPDK_RXTX_H__ + +/* internal offset from where IC is copied to packet buffer*/ +#define DEFAULT_ICIOF 32 +/* IC transfer size */ +#define DEFAULT_ICSZ 48 + +/* IC offsets from buffer header address */ +#define DEFAULT_RX_ICEOF 16 + +#define DPAA_MAX_DEQUEUE_NUM_FRAMES 63 + /**