X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Fbnxt_txr.c;h=7cb27ef85243a7d23c9e93774141c02414e1181c;hb=613cbe75ae99d179868a25dafef35df636e7151e;hp=6870b16d1ac1f8c008cc43c70e84953cf0ad6921;hpb=10d074b2022d4ae27dc54024148c8bce8ea7a281;p=dpdk.git diff --git a/drivers/net/bnxt/bnxt_txr.c b/drivers/net/bnxt/bnxt_txr.c index 6870b16d1a..7cb27ef852 100644 --- a/drivers/net/bnxt/bnxt_txr.c +++ b/drivers/net/bnxt/bnxt_txr.c @@ -1,34 +1,6 @@ -/*- - * BSD LICENSE - * - * Copyright(c) Broadcom Limited. - * All rights reserved. - * - * 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 Broadcom Corporation 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Broadcom + * All rights reserved. */ #include @@ -101,7 +73,7 @@ int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id) if (ring == NULL) return -ENOMEM; txr->tx_ring_struct = ring; - ring->ring_size = rte_align32pow2(txq->nb_tx_desc + 1); + ring->ring_size = rte_align32pow2(txq->nb_tx_desc); ring->ring_mask = ring->ring_size - 1; ring->bd = (void *)txr->tx_desc_ring; ring->bd_dma = txr->tx_desc_mapping; @@ -161,7 +133,7 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt, if (tx_pkt->ol_flags & (PKT_TX_TCP_SEG | PKT_TX_TCP_CKSUM | PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM | - PKT_TX_VLAN_PKT)) + PKT_TX_VLAN_PKT | PKT_TX_OUTER_IP_CKSUM)) long_bd = true; tx_buf = &txr->tx_buf_ring[txr->tx_prod]; @@ -181,7 +153,7 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt, txbd->flags_type |= TX_BD_LONG_FLAGS_LHINT_GTE2K; else txbd->flags_type |= lhint_arr[txbd->len >> 9]; - txbd->addr = rte_cpu_to_le_32(RTE_MBUF_DATA_DMA_ADDR(tx_buf->mbuf)); + txbd->addr = rte_cpu_to_le_32(rte_mbuf_data_iova(tx_buf->mbuf)); if (long_bd) { txbd->flags_type |= TX_BD_LONG_TYPE_TX_BD_LONG; @@ -211,21 +183,44 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt, if (tx_pkt->ol_flags & PKT_TX_TCP_SEG) { /* TSO */ - txbd1->lflags = TX_BD_LONG_LFLAGS_LSO; + txbd1->lflags |= TX_BD_LONG_LFLAGS_LSO; txbd1->hdr_size = tx_pkt->l2_len + tx_pkt->l3_len + tx_pkt->l4_len + tx_pkt->outer_l2_len + tx_pkt->outer_l3_len; txbd1->mss = tx_pkt->tso_segsz; - } else if (tx_pkt->ol_flags & (PKT_TX_TCP_CKSUM | - PKT_TX_UDP_CKSUM)) { + } else if ((tx_pkt->ol_flags & PKT_TX_OIP_IIP_TCP_UDP_CKSUM) == + PKT_TX_OIP_IIP_TCP_UDP_CKSUM) { + /* Outer IP, Inner IP, Inner TCP/UDP CSO */ + txbd1->lflags |= TX_BD_FLG_TIP_IP_TCP_UDP_CHKSUM; + txbd1->mss = 0; + } else if ((tx_pkt->ol_flags & PKT_TX_IIP_TCP_UDP_CKSUM) == + PKT_TX_IIP_TCP_UDP_CKSUM) { + /* (Inner) IP, (Inner) TCP/UDP CSO */ + txbd1->lflags |= TX_BD_FLG_IP_TCP_UDP_CHKSUM; + txbd1->mss = 0; + } else if ((tx_pkt->ol_flags & PKT_TX_OIP_TCP_UDP_CKSUM) == + PKT_TX_OIP_TCP_UDP_CKSUM) { + /* Outer IP, (Inner) TCP/UDP CSO */ + txbd1->lflags |= TX_BD_FLG_TIP_TCP_UDP_CHKSUM; + txbd1->mss = 0; + } else if ((tx_pkt->ol_flags & PKT_TX_OIP_IIP_CKSUM) == + PKT_TX_OIP_IIP_CKSUM) { + /* Outer IP, Inner IP CSO */ + txbd1->lflags |= TX_BD_FLG_TIP_IP_CHKSUM; + txbd1->mss = 0; + } else if ((tx_pkt->ol_flags & PKT_TX_TCP_UDP_CKSUM) == + PKT_TX_TCP_UDP_CKSUM) { /* TCP/UDP CSO */ - txbd1->lflags = TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM; + txbd1->lflags |= TX_BD_LONG_LFLAGS_TCP_UDP_CHKSUM; txbd1->mss = 0; - } else if (tx_pkt->ol_flags & PKT_TX_IP_CKSUM) { /* IP CSO */ - txbd1->lflags = TX_BD_LONG_LFLAGS_IP_CHKSUM; + txbd1->lflags |= TX_BD_LONG_LFLAGS_IP_CHKSUM; + txbd1->mss = 0; + } else if (tx_pkt->ol_flags & PKT_TX_OUTER_IP_CKSUM) { + /* IP CSO */ + txbd1->lflags |= TX_BD_LONG_LFLAGS_T_IP_CHKSUM; txbd1->mss = 0; } } else { @@ -239,7 +234,7 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt, tx_buf = &txr->tx_buf_ring[txr->tx_prod]; txbd = &txr->tx_desc_ring[txr->tx_prod]; - txbd->addr = rte_cpu_to_le_32(RTE_MBUF_DATA_DMA_ADDR(m_seg)); + txbd->addr = rte_cpu_to_le_32(rte_mbuf_data_iova(m_seg)); txbd->flags_type = TX_BD_SHORT_TYPE_TX_BD_SHORT; txbd->len = m_seg->data_len; @@ -295,6 +290,9 @@ static int bnxt_handle_tx_cp(struct bnxt_tx_queue *txq) if (!CMP_VALID(txcmp, raw_cons, cpr->cp_ring_struct)) break; + cpr->valid = FLIP_VALID(cons, + cpr->cp_ring_struct->ring_mask, + cpr->valid); if (CMP_TYPE(txcmp) == TX_CMPL_TYPE_TX_L2) nb_tx_pkts++; @@ -323,6 +321,11 @@ uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, /* Handle TX completions */ bnxt_handle_tx_cp(txq); + /* Tx queue was stopped; wait for it to be restarted */ + if (txq->tx_deferred_start) { + PMD_DRV_LOG(DEBUG, "Tx q stopped;return\n"); + return 0; + } /* Handle TX burst request */ for (nb_tx_pkts = 0; nb_tx_pkts < nb_pkts; nb_tx_pkts++) { if (bnxt_start_xmit(tx_pkts[nb_tx_pkts], txq)) { @@ -338,3 +341,30 @@ uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, return nb_tx_pkts; } + +int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id) +{ + struct bnxt *bp = (struct bnxt *)dev->data->dev_private; + struct bnxt_tx_queue *txq = bp->tx_queues[tx_queue_id]; + + dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED; + txq->tx_deferred_start = false; + PMD_DRV_LOG(DEBUG, "Tx queue started\n"); + + return 0; +} + +int bnxt_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) +{ + struct bnxt *bp = (struct bnxt *)dev->data->dev_private; + struct bnxt_tx_queue *txq = bp->tx_queues[tx_queue_id]; + + /* Handle TX completions */ + bnxt_handle_tx_cp(txq); + + dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED; + txq->tx_deferred_start = true; + PMD_DRV_LOG(DEBUG, "Tx queue stopped\n"); + + return 0; +}