From patchwork Thu Sep 26 14:02:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wei Hu (Xavier)" X-Patchwork-Id: 59889 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id ECE651BEC1; Thu, 26 Sep 2019 16:05:14 +0200 (CEST) Received: from huawei.com (szxga07-in.huawei.com [45.249.212.35]) by dpdk.org (Postfix) with ESMTP id 6EA331BE99 for ; Thu, 26 Sep 2019 16:04:55 +0200 (CEST) Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 8799A93F6D42806BB2A9; Thu, 26 Sep 2019 22:04:53 +0800 (CST) Received: from localhost.localdomain (10.67.212.132) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.439.0; Thu, 26 Sep 2019 22:04:47 +0800 From: "Wei Hu (Xavier)" To: CC: , , , Date: Thu, 26 Sep 2019 22:02:02 +0800 Message-ID: <1569506528-60464-17-git-send-email-xavier.huwei@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1569506528-60464-1-git-send-email-xavier.huwei@huawei.com> References: <1569506528-60464-1-git-send-email-xavier.huwei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.132] X-CFilter-Loop: Reflected Subject: [dpdk-dev] [PATCH v3 16/22] net/hns3: add RX/TX package burst and queue related operation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch adds queue related operation, package sending and receiving function codes. Signed-off-by: Wei Hu (Xavier) Signed-off-by: Chunsong Feng Signed-off-by: Min Wang (Jushui) Signed-off-by: Min Hu (Connor) Signed-off-by: Hao Chen Signed-off-by: Huisong Li --- v1 -> v2: Address Ferruh Yigit's comments as follows: https://inbox.dpdk.org/dev/394ce2c3-d892-55fa-dffa-6580ceda49d8@intel.com --- doc/guides/nics/features/hns3.ini | 5 + doc/guides/nics/features/hns3_vf.ini | 5 + drivers/net/hns3/Makefile | 3 +- drivers/net/hns3/hns3_ethdev.c | 22 + drivers/net/hns3/hns3_ethdev_vf.c | 36 +- drivers/net/hns3/hns3_rxtx.c | 1659 ++++++++++++++++++++++++++++++++++ drivers/net/hns3/hns3_rxtx.h | 317 +++++++ drivers/net/hns3/meson.build | 1 + 8 files changed, 2046 insertions(+), 2 deletions(-) create mode 100644 drivers/net/hns3/hns3_rxtx.c create mode 100644 drivers/net/hns3/hns3_rxtx.h diff --git a/doc/guides/nics/features/hns3.ini b/doc/guides/nics/features/hns3.ini index c57afde..09b8ab0 100644 --- a/doc/guides/nics/features/hns3.ini +++ b/doc/guides/nics/features/hns3.ini @@ -16,7 +16,12 @@ VLAN filter = Y Flow director = Y Flow control = Y Flow API = Y +CRC offload = Y VLAN offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Inner L3 checksum = Y +Inner L4 checksum = Y FW version = Y Linux UIO = Y Linux VFIO = Y diff --git a/doc/guides/nics/features/hns3_vf.ini b/doc/guides/nics/features/hns3_vf.ini index e77a3fb..5fddfa5 100644 --- a/doc/guides/nics/features/hns3_vf.ini +++ b/doc/guides/nics/features/hns3_vf.ini @@ -15,7 +15,12 @@ RSS reta update = Y VLAN filter = Y Flow director = Y Flow API = Y +CRC offload = Y VLAN offload = Y +L3 checksum offload = Y +L4 checksum offload = Y +Inner L3 checksum = Y +Inner L4 checksum = Y Linux UIO = Y Linux VFIO = Y ARMv8 = Y diff --git a/drivers/net/hns3/Makefile b/drivers/net/hns3/Makefile index a8890f0..1a5c66a 100644 --- a/drivers/net/hns3/Makefile +++ b/drivers/net/hns3/Makefile @@ -11,7 +11,7 @@ LIB = librte_pmd_hns3.a CFLAGS += -O3 CFLAGS += $(WERROR_FLAGS) -LDLIBS += -lrte_eal +LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring LDLIBS += -lrte_ethdev -lrte_net -lrte_hash LDLIBS += -lrte_bus_pci @@ -26,6 +26,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_ethdev.c SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_ethdev_vf.c SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_cmd.c SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_mbx.c +SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_rxtx.c SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_rss.c SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_flow.c SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_fdir.c diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c index 2f9acee..edc85cb 100644 --- a/drivers/net/hns3/hns3_ethdev.c +++ b/drivers/net/hns3/hns3_ethdev.c @@ -23,6 +23,7 @@ #include "hns3_ethdev.h" #include "hns3_logs.h" +#include "hns3_rxtx.h" #include "hns3_regs.h" #include "hns3_dcb.h" @@ -1717,6 +1718,18 @@ hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info) DEV_TX_OFFLOAD_MULTI_SEGS | info->tx_queue_offload_capa); + info->rx_desc_lim = (struct rte_eth_desc_lim) { + .nb_max = HNS3_MAX_RING_DESC, + .nb_min = HNS3_MIN_RING_DESC, + .nb_align = HNS3_ALIGN_RING_DESC, + }; + + info->tx_desc_lim = (struct rte_eth_desc_lim) { + .nb_max = HNS3_MAX_RING_DESC, + .nb_min = HNS3_MIN_RING_DESC, + .nb_align = HNS3_ALIGN_RING_DESC, + }; + info->vmdq_queue_num = 0; info->reta_size = HNS3_RSS_IND_TBL_SIZE; @@ -1727,6 +1740,8 @@ hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info) info->default_txportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE; info->default_rxportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM; info->default_txportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM; + info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC; + info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC; return 0; } @@ -3326,6 +3341,7 @@ hns3_dev_close(struct rte_eth_dev *eth_dev) hns3_configure_all_mc_mac_addr(hns, true); hns3_uninit_pf(eth_dev); + hns3_free_all_queues(eth_dev); rte_free(eth_dev->process_private); eth_dev->process_private = NULL; hw->adapter_state = HNS3_NIC_CLOSED; @@ -3522,6 +3538,10 @@ static const struct eth_dev_ops hns3_eth_dev_ops = { .mtu_set = hns3_dev_mtu_set, .dev_infos_get = hns3_dev_infos_get, .fw_version_get = hns3_fw_version_get, + .rx_queue_setup = hns3_rx_queue_setup, + .tx_queue_setup = hns3_tx_queue_setup, + .rx_queue_release = hns3_dev_rx_queue_release, + .tx_queue_release = hns3_dev_tx_queue_release, .flow_ctrl_get = hns3_flow_ctrl_get, .flow_ctrl_set = hns3_flow_ctrl_set, .priority_flow_ctrl_set = hns3_priority_flow_ctrl_set, @@ -3540,6 +3560,7 @@ static const struct eth_dev_ops hns3_eth_dev_ops = { .vlan_offload_set = hns3_vlan_offload_set, .vlan_pvid_set = hns3_vlan_pvid_set, .get_dcb_info = hns3_get_dcb_info, + .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get, }; static int @@ -3564,6 +3585,7 @@ hns3_dev_init(struct rte_eth_dev *eth_dev) /* initialize flow filter lists */ hns3_filterlist_init(eth_dev); + hns3_set_rxtx_function(eth_dev); eth_dev->dev_ops = &hns3_eth_dev_ops; if (rte_eal_process_type() != RTE_PROC_PRIMARY) return 0; diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c index 5f3384f..8a0dbb9 100644 --- a/drivers/net/hns3/hns3_ethdev_vf.c +++ b/drivers/net/hns3/hns3_ethdev_vf.c @@ -27,6 +27,7 @@ #include "hns3_ethdev.h" #include "hns3_logs.h" +#include "hns3_rxtx.h" #include "hns3_regs.h" #include "hns3_dcb.h" @@ -479,11 +480,25 @@ hns3vf_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info) DEV_TX_OFFLOAD_MULTI_SEGS | info->tx_queue_offload_capa); + info->rx_desc_lim = (struct rte_eth_desc_lim) { + .nb_max = HNS3_MAX_RING_DESC, + .nb_min = HNS3_MIN_RING_DESC, + .nb_align = HNS3_ALIGN_RING_DESC, + }; + + info->tx_desc_lim = (struct rte_eth_desc_lim) { + .nb_max = HNS3_MAX_RING_DESC, + .nb_min = HNS3_MIN_RING_DESC, + .nb_align = HNS3_ALIGN_RING_DESC, + }; + info->vmdq_queue_num = 0; info->reta_size = HNS3_RSS_IND_TBL_SIZE; info->hash_key_size = HNS3_RSS_KEY_SIZE; info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT; + info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC; + info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC; return 0; } @@ -991,9 +1006,11 @@ hns3vf_dev_stop(struct rte_eth_dev *eth_dev) PMD_INIT_FUNC_TRACE(); hw->adapter_state = HNS3_NIC_STOPPING; + hns3_set_rxtx_function(eth_dev); rte_spinlock_lock(&hw->lock); hns3vf_do_stop(hns); + hns3_dev_release_mbufs(hns); hw->adapter_state = HNS3_NIC_CONFIGURED; rte_spinlock_unlock(&hw->lock); } @@ -1012,6 +1029,7 @@ hns3vf_dev_close(struct rte_eth_dev *eth_dev) rte_eal_alarm_cancel(hns3vf_service_handler, eth_dev); hns3vf_configure_all_mc_mac_addr(hns, true); hns3vf_uninit_vf(eth_dev); + hns3_free_all_queues(eth_dev); rte_free(eth_dev->process_private); eth_dev->process_private = NULL; hw->adapter_state = HNS3_NIC_CLOSED; @@ -1055,10 +1073,19 @@ hns3vf_dev_link_update(struct rte_eth_dev *eth_dev, } static int -hns3vf_do_start(struct hns3_adapter *hns, __rte_unused bool reset_queue) +hns3vf_do_start(struct hns3_adapter *hns, bool reset_queue) { + struct hns3_hw *hw = &hns->hw; + int ret; + hns3vf_set_tc_info(hns); + ret = hns3_start_queues(hns, reset_queue); + if (ret) { + hns3_err(hw, "Failed to start queues: %d", ret); + return ret; + } + return 0; } @@ -1080,6 +1107,7 @@ hns3vf_dev_start(struct rte_eth_dev *eth_dev) } hw->adapter_state = HNS3_NIC_STARTED; rte_spinlock_unlock(&hw->lock); + hns3_set_rxtx_function(eth_dev); return 0; } @@ -1089,6 +1117,10 @@ static const struct eth_dev_ops hns3vf_eth_dev_ops = { .dev_close = hns3vf_dev_close, .mtu_set = hns3vf_dev_mtu_set, .dev_infos_get = hns3vf_dev_infos_get, + .rx_queue_setup = hns3_rx_queue_setup, + .tx_queue_setup = hns3_tx_queue_setup, + .rx_queue_release = hns3_dev_rx_queue_release, + .tx_queue_release = hns3_dev_tx_queue_release, .dev_configure = hns3vf_dev_configure, .mac_addr_add = hns3vf_add_mac_addr, .mac_addr_remove = hns3vf_remove_mac_addr, @@ -1102,6 +1134,7 @@ static const struct eth_dev_ops hns3vf_eth_dev_ops = { .filter_ctrl = hns3_dev_filter_ctrl, .vlan_filter_set = hns3vf_vlan_filter_set, .vlan_offload_set = hns3vf_vlan_offload_set, + .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get, }; static int @@ -1125,6 +1158,7 @@ hns3vf_dev_init(struct rte_eth_dev *eth_dev) /* initialize flow filter lists */ hns3_filterlist_init(eth_dev); + hns3_set_rxtx_function(eth_dev); eth_dev->dev_ops = &hns3vf_eth_dev_ops; if (rte_eal_process_type() != RTE_PROC_PRIMARY) return 0; diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c new file mode 100644 index 0000000..9283864 --- /dev/null +++ b/drivers/net/hns3/hns3_rxtx.c @@ -0,0 +1,1659 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018-2019 Hisilicon Limited. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "hns3_ethdev.h" +#include "hns3_rxtx.h" +#include "hns3_regs.h" +#include "hns3_logs.h" + +#define HNS3_CFG_DESC_NUM(num) ((num) / 8 - 1) +#define DEFAULT_RX_FREE_THRESH 16 + +static void +hns3_rx_queue_release_mbufs(struct hns3_rx_queue *rxq) +{ + uint16_t i; + + if (rxq->sw_ring) { + for (i = 0; i < rxq->nb_rx_desc; i++) { + if (rxq->sw_ring[i].mbuf) { + rte_pktmbuf_free_seg(rxq->sw_ring[i].mbuf); + rxq->sw_ring[i].mbuf = NULL; + } + } + } +} + +static void +hns3_tx_queue_release_mbufs(struct hns3_tx_queue *txq) +{ + uint16_t i; + + if (txq->sw_ring) { + for (i = 0; i < txq->nb_tx_desc; i++) { + if (txq->sw_ring[i].mbuf) { + rte_pktmbuf_free_seg(txq->sw_ring[i].mbuf); + txq->sw_ring[i].mbuf = NULL; + } + } + } +} + +static void +hns3_rx_queue_release(void *queue) +{ + struct hns3_rx_queue *rxq = queue; + if (rxq) { + hns3_rx_queue_release_mbufs(rxq); + if (rxq->mz) + rte_memzone_free(rxq->mz); + if (rxq->sw_ring) + rte_free(rxq->sw_ring); + rte_free(rxq); + } +} + +static void +hns3_tx_queue_release(void *queue) +{ + struct hns3_tx_queue *txq = queue; + if (txq) { + hns3_tx_queue_release_mbufs(txq); + if (txq->mz) + rte_memzone_free(txq->mz); + if (txq->sw_ring) + rte_free(txq->sw_ring); + rte_free(txq); + } +} + +void +hns3_dev_rx_queue_release(void *queue) +{ + struct hns3_rx_queue *rxq = queue; + struct hns3_adapter *hns; + + if (rxq == NULL) + return; + + hns = rxq->hns; + rte_spinlock_lock(&hns->hw.lock); + hns3_rx_queue_release(queue); + rte_spinlock_unlock(&hns->hw.lock); +} + +void +hns3_dev_tx_queue_release(void *queue) +{ + struct hns3_tx_queue *txq = queue; + struct hns3_adapter *hns; + + if (txq == NULL) + return; + + hns = txq->hns; + rte_spinlock_lock(&hns->hw.lock); + hns3_tx_queue_release(queue); + rte_spinlock_unlock(&hns->hw.lock); +} + +void +hns3_free_all_queues(struct rte_eth_dev *dev) +{ + uint16_t i; + + if (dev->data->rx_queues) + for (i = 0; i < dev->data->nb_rx_queues; i++) { + hns3_rx_queue_release(dev->data->rx_queues[i]); + dev->data->rx_queues[i] = NULL; + } + + if (dev->data->tx_queues) + for (i = 0; i < dev->data->nb_tx_queues; i++) { + hns3_tx_queue_release(dev->data->tx_queues[i]); + dev->data->tx_queues[i] = NULL; + } +} + +static int +hns3_alloc_rx_queue_mbufs(struct hns3_hw *hw, struct hns3_rx_queue *rxq) +{ + struct rte_mbuf *mbuf; + uint64_t dma_addr; + uint16_t i; + + for (i = 0; i < rxq->nb_rx_desc; i++) { + mbuf = rte_mbuf_raw_alloc(rxq->mb_pool); + if (unlikely(mbuf == NULL)) { + hns3_err(hw, "Failed to allocate RXD[%d] for rx queue!", + i); + hns3_rx_queue_release_mbufs(rxq); + return -ENOMEM; + } + + rte_mbuf_refcnt_set(mbuf, 1); + mbuf->next = NULL; + mbuf->data_off = RTE_PKTMBUF_HEADROOM; + mbuf->nb_segs = 1; + mbuf->port = rxq->port_id; + + rxq->sw_ring[i].mbuf = mbuf; + dma_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf)); + rxq->rx_ring[i].addr = dma_addr; + rxq->rx_ring[i].rx.bd_base_info = 0; + } + + return 0; +} + +static int +hns3_buf_size2type(uint32_t buf_size) +{ + int bd_size_type; + + switch (buf_size) { + case 512: + bd_size_type = HNS3_BD_SIZE_512_TYPE; + break; + case 1024: + bd_size_type = HNS3_BD_SIZE_1024_TYPE; + break; + case 4096: + bd_size_type = HNS3_BD_SIZE_4096_TYPE; + break; + default: + bd_size_type = HNS3_BD_SIZE_2048_TYPE; + } + + return bd_size_type; +} + +static void +hns3_init_rx_queue_hw(struct hns3_rx_queue *rxq) +{ + uint32_t rx_buf_len = rxq->rx_buf_len; + uint64_t dma_addr = rxq->rx_ring_phys_addr; + + hns3_write_dev(rxq, HNS3_RING_RX_BASEADDR_L_REG, (uint32_t)dma_addr); + hns3_write_dev(rxq, HNS3_RING_RX_BASEADDR_H_REG, + (uint32_t)((dma_addr >> 31) >> 1)); + + hns3_write_dev(rxq, HNS3_RING_RX_BD_LEN_REG, + hns3_buf_size2type(rx_buf_len)); + hns3_write_dev(rxq, HNS3_RING_RX_BD_NUM_REG, + HNS3_CFG_DESC_NUM(rxq->nb_rx_desc)); +} + +static void +hns3_init_tx_queue_hw(struct hns3_tx_queue *txq) +{ + uint64_t dma_addr = txq->tx_ring_phys_addr; + + hns3_write_dev(txq, HNS3_RING_TX_BASEADDR_L_REG, (uint32_t)dma_addr); + hns3_write_dev(txq, HNS3_RING_TX_BASEADDR_H_REG, + (uint32_t)((dma_addr >> 31) >> 1)); + + hns3_write_dev(txq, HNS3_RING_TX_BD_NUM_REG, + HNS3_CFG_DESC_NUM(txq->nb_tx_desc)); +} + +static void +hns3_enable_all_queues(struct hns3_hw *hw, bool en) +{ + struct hns3_rx_queue *rxq; + struct hns3_tx_queue *txq; + uint32_t rcb_reg; + int i; + + for (i = 0; i < hw->data->nb_rx_queues; i++) { + rxq = hw->data->rx_queues[i]; + txq = hw->data->tx_queues[i]; + if (rxq == NULL || txq == NULL || + (en && (rxq->rx_deferred_start || txq->tx_deferred_start))) + continue; + rcb_reg = hns3_read_dev(rxq, HNS3_RING_EN_REG); + if (en) + rcb_reg |= BIT(HNS3_RING_EN_B); + else + rcb_reg &= ~BIT(HNS3_RING_EN_B); + hns3_write_dev(rxq, HNS3_RING_EN_REG, rcb_reg); + } +} + +static int +hns3_tqp_enable(struct hns3_hw *hw, uint16_t queue_id, bool enable) +{ + struct hns3_cfg_com_tqp_queue_cmd *req; + struct hns3_cmd_desc desc; + int ret; + + req = (struct hns3_cfg_com_tqp_queue_cmd *)desc.data; + + hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_COM_TQP_QUEUE, false); + req->tqp_id = rte_cpu_to_le_16(queue_id & HNS3_RING_ID_MASK); + req->stream_id = 0; + hns3_set_bit(req->enable, HNS3_TQP_ENABLE_B, enable ? 1 : 0); + + ret = hns3_cmd_send(hw, &desc, 1); + if (ret) + hns3_err(hw, "TQP enable fail, ret = %d", ret); + + return ret; +} + +static int +hns3_send_reset_tqp_cmd(struct hns3_hw *hw, uint16_t queue_id, bool enable) +{ + struct hns3_reset_tqp_queue_cmd *req; + struct hns3_cmd_desc desc; + int ret; + + hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RESET_TQP_QUEUE, false); + + req = (struct hns3_reset_tqp_queue_cmd *)desc.data; + req->tqp_id = rte_cpu_to_le_16(queue_id & HNS3_RING_ID_MASK); + hns3_set_bit(req->reset_req, HNS3_TQP_RESET_B, enable ? 1 : 0); + + ret = hns3_cmd_send(hw, &desc, 1); + if (ret) + hns3_err(hw, "Send tqp reset cmd error, ret = %d", ret); + + return ret; +} + +static int +hns3_get_reset_status(struct hns3_hw *hw, uint16_t queue_id) +{ + struct hns3_reset_tqp_queue_cmd *req; + struct hns3_cmd_desc desc; + int ret; + + hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RESET_TQP_QUEUE, true); + + req = (struct hns3_reset_tqp_queue_cmd *)desc.data; + req->tqp_id = rte_cpu_to_le_16(queue_id & HNS3_RING_ID_MASK); + + ret = hns3_cmd_send(hw, &desc, 1); + if (ret) { + hns3_err(hw, "Get reset status error, ret =%d", ret); + return ret; + } + + return hns3_get_bit(req->ready_to_reset, HNS3_TQP_RESET_B); +} + +static int +hns3_reset_tqp(struct hns3_hw *hw, uint16_t queue_id) +{ +#define HNS3_TQP_RESET_TRY_MS 200 + uint64_t end; + int reset_status; + int ret; + + ret = hns3_tqp_enable(hw, queue_id, false); + if (ret) + return ret; + + /* + * In current version VF is not supported when PF is driven by DPDK + * driver, all task queue pairs are mapped to PF function, so PF's queue + * id is equals to the global queue id in PF range. + */ + ret = hns3_send_reset_tqp_cmd(hw, queue_id, true); + if (ret) { + hns3_err(hw, "Send reset tqp cmd fail, ret = %d", ret); + return ret; + } + ret = -ETIMEDOUT; + end = get_timeofday_ms() + HNS3_TQP_RESET_TRY_MS; + do { + /* Wait for tqp hw reset */ + rte_delay_ms(HNS3_POLL_RESPONE_MS); + reset_status = hns3_get_reset_status(hw, queue_id); + if (reset_status) { + ret = 0; + break; + } + } while (get_timeofday_ms() < end); + + if (ret) { + hns3_err(hw, "Reset TQP fail, ret = %d", ret); + return ret; + } + + ret = hns3_send_reset_tqp_cmd(hw, queue_id, false); + if (ret) + hns3_err(hw, "Deassert the soft reset fail, ret = %d", ret); + + return ret; +} + +static int +hns3vf_reset_tqp(struct hns3_hw *hw, uint16_t queue_id) +{ + uint8_t msg_data[2]; + int ret; + + /* Disable VF's queue before send queue reset msg to PF */ + ret = hns3_tqp_enable(hw, queue_id, false); + if (ret) + return ret; + + memcpy(msg_data, &queue_id, sizeof(uint16_t)); + + return hns3_send_mbx_msg(hw, HNS3_MBX_QUEUE_RESET, 0, msg_data, + sizeof(msg_data), true, NULL, 0); +} + +static int +hns3_reset_queue(struct hns3_adapter *hns, uint16_t queue_id) +{ + struct hns3_hw *hw = &hns->hw; + if (hns->is_vf) + return hns3vf_reset_tqp(hw, queue_id); + else + return hns3_reset_tqp(hw, queue_id); +} + +int +hns3_reset_all_queues(struct hns3_adapter *hns) +{ + struct hns3_hw *hw = &hns->hw; + int ret; + uint16_t i; + + for (i = 0; i < hw->data->nb_rx_queues; i++) { + ret = hns3_reset_queue(hns, i); + if (ret) { + hns3_err(hw, "Failed to reset No.%d queue: %d", i, ret); + return ret; + } + } + return 0; +} + +static int +hns3_dev_rx_queue_start(struct hns3_adapter *hns, uint16_t idx) +{ + struct hns3_hw *hw = &hns->hw; + struct hns3_rx_queue *rxq; + int ret; + + PMD_INIT_FUNC_TRACE(); + + rxq = hw->data->rx_queues[idx]; + + ret = hns3_alloc_rx_queue_mbufs(hw, rxq); + if (ret) { + hns3_err(hw, "Failed to alloc mbuf for No.%d rx queue: %d", + idx, ret); + return ret; + } + + rxq->next_to_use = 0; + rxq->next_to_clean = 0; + hns3_init_rx_queue_hw(rxq); + + return 0; +} + +static void +hns3_dev_tx_queue_start(struct hns3_adapter *hns, uint16_t idx) +{ + struct hns3_hw *hw = &hns->hw; + struct hns3_tx_queue *txq; + struct hns3_desc *desc; + int i; + + txq = hw->data->tx_queues[idx]; + + /* Clear tx bd */ + desc = txq->tx_ring; + for (i = 0; i < txq->nb_tx_desc; i++) { + desc->tx.tp_fe_sc_vld_ra_ri = 0; + desc++; + } + + txq->next_to_use = 0; + txq->next_to_clean = 0; + txq->tx_bd_ready = txq->nb_tx_desc; + hns3_init_tx_queue_hw(txq); +} + +static void +hns3_init_tx_ring_tc(struct hns3_adapter *hns) +{ + struct hns3_hw *hw = &hns->hw; + struct hns3_tx_queue *txq; + int i, num; + + for (i = 0; i < HNS3_MAX_TC_NUM; i++) { + struct hns3_tc_queue_info *tc_queue = &hw->tc_queue[i]; + int j; + + if (!tc_queue->enable) + continue; + + for (j = 0; j < tc_queue->tqp_count; j++) { + num = tc_queue->tqp_offset + j; + txq = hw->data->tx_queues[num]; + if (txq == NULL) + continue; + + hns3_write_dev(txq, HNS3_RING_TX_TC_REG, tc_queue->tc); + } + } +} + +int +hns3_start_queues(struct hns3_adapter *hns, bool reset_queue) +{ + struct hns3_hw *hw = &hns->hw; + struct rte_eth_dev_data *dev_data = hw->data; + struct hns3_rx_queue *rxq; + struct hns3_tx_queue *txq; + int ret; + int i; + int j; + + /* Initialize RSS for queues */ + ret = hns3_config_rss(hns); + if (ret) { + hns3_err(hw, "Failed to configure rss %d", ret); + return ret; + } + + if (reset_queue) { + ret = hns3_reset_all_queues(hns); + if (ret) { + hns3_err(hw, "Failed to reset all queues %d", ret); + return ret; + } + } + + /* + * Hardware does not support where the number of rx and tx queues is + * not equal in hip08. In .dev_configure callback function we will + * check the two values, here we think that the number of rx and tx + * queues is equal. + */ + for (i = 0; i < hw->data->nb_rx_queues; i++) { + rxq = dev_data->rx_queues[i]; + txq = dev_data->tx_queues[i]; + if (rxq == NULL || txq == NULL || rxq->rx_deferred_start || + txq->tx_deferred_start) + continue; + + ret = hns3_dev_rx_queue_start(hns, i); + if (ret) { + hns3_err(hw, "Failed to start No.%d rx queue: %d", i, + ret); + goto out; + } + hns3_dev_tx_queue_start(hns, i); + } + hns3_init_tx_ring_tc(hns); + + hns3_enable_all_queues(hw, true); + return 0; + +out: + for (j = 0; j < i; j++) { + rxq = dev_data->rx_queues[j]; + hns3_rx_queue_release_mbufs(rxq); + } + + return ret; +} + +int +hns3_stop_queues(struct hns3_adapter *hns, bool reset_queue) +{ + struct hns3_hw *hw = &hns->hw; + int ret; + + hns3_enable_all_queues(hw, false); + if (reset_queue) { + ret = hns3_reset_all_queues(hns); + if (ret) { + hns3_err(hw, "Failed to reset all queues %d", ret); + return ret; + } + } + return 0; +} + +void +hns3_dev_release_mbufs(struct hns3_adapter *hns) +{ + struct rte_eth_dev_data *dev_data = hns->hw.data; + struct hns3_rx_queue *rxq; + struct hns3_tx_queue *txq; + int i; + + if (dev_data->rx_queues) + for (i = 0; i < dev_data->nb_rx_queues; i++) { + rxq = dev_data->rx_queues[i]; + if (rxq == NULL || rxq->rx_deferred_start) + continue; + hns3_rx_queue_release_mbufs(rxq); + } + + if (dev_data->tx_queues) + for (i = 0; i < dev_data->nb_tx_queues; i++) { + txq = dev_data->tx_queues[i]; + if (txq == NULL || txq->tx_deferred_start) + continue; + hns3_tx_queue_release_mbufs(txq); + } +} + +int +hns3_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t nb_desc, + unsigned int socket_id, const struct rte_eth_rxconf *conf, + struct rte_mempool *mp) +{ + struct hns3_adapter *hns = dev->data->dev_private; + const struct rte_memzone *rx_mz; + struct hns3_hw *hw = &hns->hw; + struct hns3_rx_queue *rxq; + unsigned int desc_size = sizeof(struct hns3_desc); + unsigned int rx_desc; + int rx_entry_len; + + if (dev->data->dev_started) { + hns3_err(hw, "rx_queue_setup after dev_start no supported"); + return -EINVAL; + } + + if (nb_desc > HNS3_MAX_RING_DESC || nb_desc < HNS3_MIN_RING_DESC || + nb_desc % HNS3_ALIGN_RING_DESC) { + hns3_err(hw, "Number (%u) of rx descriptors is invalid", + nb_desc); + return -EINVAL; + } + + if (dev->data->rx_queues[idx]) { + hns3_rx_queue_release(dev->data->rx_queues[idx]); + dev->data->rx_queues[idx] = NULL; + } + + rxq = rte_zmalloc_socket("hns3 RX queue", sizeof(struct hns3_rx_queue), + RTE_CACHE_LINE_SIZE, socket_id); + if (rxq == NULL) { + hns3_err(hw, "Failed to allocate memory for rx queue!"); + return -ENOMEM; + } + + rxq->hns = hns; + rxq->mb_pool = mp; + rxq->nb_rx_desc = nb_desc; + rxq->queue_id = idx; + if (conf->rx_free_thresh <= 0) + rxq->rx_free_thresh = DEFAULT_RX_FREE_THRESH; + else + rxq->rx_free_thresh = conf->rx_free_thresh; + rxq->rx_deferred_start = conf->rx_deferred_start; + + rx_entry_len = sizeof(struct hns3_entry) * rxq->nb_rx_desc; + rxq->sw_ring = rte_zmalloc_socket("hns3 RX sw ring", rx_entry_len, + RTE_CACHE_LINE_SIZE, socket_id); + if (rxq->sw_ring == NULL) { + hns3_err(hw, "Failed to allocate memory for rx sw ring!"); + hns3_rx_queue_release(rxq); + return -ENOMEM; + } + + /* Allocate rx ring hardware descriptors. */ + rx_desc = rxq->nb_rx_desc * desc_size; + rx_mz = rte_eth_dma_zone_reserve(dev, "rx_ring", idx, rx_desc, + HNS3_RING_BASE_ALIGN, socket_id); + if (rx_mz == NULL) { + hns3_err(hw, "Failed to reserve DMA memory for No.%d rx ring!", + idx); + hns3_rx_queue_release(rxq); + return -ENOMEM; + } + rxq->mz = rx_mz; + rxq->rx_ring = (struct hns3_desc *)rx_mz->addr; + rxq->rx_ring_phys_addr = rx_mz->iova; + + hns3_dbg(hw, "No.%d rx descriptors iova 0x%lx", idx, + rxq->rx_ring_phys_addr); + + rxq->next_to_use = 0; + rxq->next_to_clean = 0; + rxq->nb_rx_hold = 0; + rxq->pkt_first_seg = NULL; + rxq->pkt_last_seg = NULL; + rxq->port_id = dev->data->port_id; + rxq->configured = true; + rxq->io_base = (void *)((char *)hw->io_base + HNS3_TQP_REG_OFFSET + + idx * HNS3_TQP_REG_SIZE); + rxq->rx_buf_len = hw->rx_buf_len; + rxq->non_vld_descs = 0; + rxq->l2_errors = 0; + rxq->pkt_len_errors = 0; + rxq->l3_csum_erros = 0; + rxq->l4_csum_erros = 0; + rxq->ol3_csum_erros = 0; + rxq->ol4_csum_erros = 0; + rxq->errors = 0; + + rte_spinlock_lock(&hw->lock); + dev->data->rx_queues[idx] = rxq; + rte_spinlock_unlock(&hw->lock); + + return 0; +} + +static inline uint32_t +rxd_pkt_info_to_pkt_type(uint32_t pkt_info, uint32_t ol_info) +{ +#define HNS3_L2TBL_NUM 4 +#define HNS3_L3TBL_NUM 16 +#define HNS3_L4TBL_NUM 16 +#define HNS3_OL3TBL_NUM 16 +#define HNS3_OL4TBL_NUM 16 + uint32_t pkt_type = 0; + uint32_t l2id, l3id, l4id; + uint32_t ol3id, ol4id; + + static const uint32_t l2table[HNS3_L2TBL_NUM] = { + RTE_PTYPE_L2_ETHER, + RTE_PTYPE_L2_ETHER_VLAN, + RTE_PTYPE_L2_ETHER_QINQ, + 0 + }; + + static const uint32_t l3table[HNS3_L3TBL_NUM] = { + RTE_PTYPE_L3_IPV4, + RTE_PTYPE_L3_IPV6, + RTE_PTYPE_L2_ETHER_ARP, + RTE_PTYPE_L2_ETHER, + RTE_PTYPE_L3_IPV4_EXT, + RTE_PTYPE_L3_IPV6_EXT, + RTE_PTYPE_L2_ETHER_LLDP, + 0, 0, 0, 0, 0, 0, 0, 0, 0 + }; + + static const uint32_t l4table[HNS3_L4TBL_NUM] = { + RTE_PTYPE_L4_UDP, + RTE_PTYPE_L4_TCP, + RTE_PTYPE_TUNNEL_GRE, + RTE_PTYPE_L4_SCTP, + RTE_PTYPE_L4_IGMP, + RTE_PTYPE_L4_ICMP, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + }; + + static const uint32_t inner_l2table[HNS3_L2TBL_NUM] = { + RTE_PTYPE_INNER_L2_ETHER, + RTE_PTYPE_INNER_L2_ETHER_VLAN, + RTE_PTYPE_INNER_L2_ETHER_QINQ, + 0 + }; + + static const uint32_t inner_l3table[HNS3_L3TBL_NUM] = { + RTE_PTYPE_INNER_L3_IPV4, + RTE_PTYPE_INNER_L3_IPV6, + 0, + RTE_PTYPE_INNER_L2_ETHER, + RTE_PTYPE_INNER_L3_IPV4_EXT, + RTE_PTYPE_INNER_L3_IPV6_EXT, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + }; + + static const uint32_t inner_l4table[HNS3_L4TBL_NUM] = { + RTE_PTYPE_INNER_L4_UDP, + RTE_PTYPE_INNER_L4_TCP, + RTE_PTYPE_TUNNEL_GRE, + RTE_PTYPE_INNER_L4_SCTP, + RTE_PTYPE_L4_IGMP, + RTE_PTYPE_INNER_L4_ICMP, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + }; + + static const uint32_t ol3table[HNS3_OL3TBL_NUM] = { + RTE_PTYPE_L3_IPV4, + RTE_PTYPE_L3_IPV6, + 0, 0, + RTE_PTYPE_L3_IPV4_EXT, + RTE_PTYPE_L3_IPV6_EXT, + 0, 0, 0, 0, 0, 0, 0, 0, 0, + RTE_PTYPE_UNKNOWN + }; + + static const uint32_t ol4table[HNS3_OL4TBL_NUM] = { + 0, + RTE_PTYPE_TUNNEL_VXLAN, + RTE_PTYPE_TUNNEL_NVGRE, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + }; + + l2id = hns3_get_field(pkt_info, HNS3_RXD_STRP_TAGP_M, + HNS3_RXD_STRP_TAGP_S); + l3id = hns3_get_field(pkt_info, HNS3_RXD_L3ID_M, HNS3_RXD_L3ID_S); + l4id = hns3_get_field(pkt_info, HNS3_RXD_L4ID_M, HNS3_RXD_L4ID_S); + ol3id = hns3_get_field(ol_info, HNS3_RXD_OL3ID_M, HNS3_RXD_OL3ID_S); + ol4id = hns3_get_field(ol_info, HNS3_RXD_OL4ID_M, HNS3_RXD_OL4ID_S); + + if (ol4table[ol4id]) + pkt_type |= (inner_l2table[l2id] | inner_l3table[l3id] | + inner_l4table[l4id] | ol3table[ol3id] | + ol4table[ol4id]); + else + pkt_type |= (l2table[l2id] | l3table[l3id] | l4table[l4id]); + return pkt_type; +} + +const uint32_t * +hns3_dev_supported_ptypes_get(struct rte_eth_dev *dev) +{ + static const uint32_t ptypes[] = { + RTE_PTYPE_L2_ETHER, + RTE_PTYPE_L2_ETHER_VLAN, + RTE_PTYPE_L2_ETHER_QINQ, + RTE_PTYPE_L2_ETHER_LLDP, + RTE_PTYPE_L2_ETHER_ARP, + RTE_PTYPE_L3_IPV4, + RTE_PTYPE_L3_IPV4_EXT, + RTE_PTYPE_L3_IPV6, + RTE_PTYPE_L3_IPV6_EXT, + RTE_PTYPE_L4_IGMP, + RTE_PTYPE_L4_ICMP, + RTE_PTYPE_L4_SCTP, + RTE_PTYPE_L4_TCP, + RTE_PTYPE_L4_UDP, + RTE_PTYPE_TUNNEL_GRE, + RTE_PTYPE_UNKNOWN + }; + + if (dev->rx_pkt_burst == hns3_recv_pkts) + return ptypes; + + return NULL; +} + +static void +hns3_clean_rx_buffers(struct hns3_rx_queue *rxq, int count) +{ + rxq->next_to_use += count; + if (rxq->next_to_use >= rxq->nb_rx_desc) + rxq->next_to_use -= rxq->nb_rx_desc; + + hns3_write_dev(rxq, HNS3_RING_RX_HEAD_REG, count); +} + +static int +hns3_handle_bdinfo(struct hns3_rx_queue *rxq, struct rte_mbuf *rxm, + uint32_t bd_base_info, uint32_t l234_info, + uint32_t *cksum_err) +{ + uint32_t tmp = 0; + + if (unlikely(l234_info & BIT(HNS3_RXD_L2E_B))) { + rxq->l2_errors++; + rxq->errors++; + return -EINVAL; + } + + if (unlikely(rxm->pkt_len == 0 || + (l234_info & BIT(HNS3_RXD_TRUNCAT_B)))) { + rxq->pkt_len_errors++; + rxq->errors++; + return -EINVAL; + } + + if (bd_base_info & BIT(HNS3_RXD_L3L4P_B)) { + if (unlikely(l234_info & BIT(HNS3_RXD_L3E_B))) { + rxm->ol_flags |= PKT_RX_IP_CKSUM_BAD; + rxq->l3_csum_erros++; + tmp |= HNS3_L3_CKSUM_ERR; + } + + if (unlikely(l234_info & BIT(HNS3_RXD_L4E_B))) { + rxm->ol_flags |= PKT_RX_L4_CKSUM_BAD; + rxq->l4_csum_erros++; + tmp |= HNS3_L4_CKSUM_ERR; + } + + if (unlikely(l234_info & BIT(HNS3_RXD_OL3E_B))) { + rxq->ol3_csum_erros++; + tmp |= HNS3_OUTER_L3_CKSUM_ERR; + } + + if (unlikely(l234_info & BIT(HNS3_RXD_OL4E_B))) { + rxm->ol_flags |= PKT_RX_OUTER_L4_CKSUM_BAD; + rxq->ol4_csum_erros++; + tmp |= HNS3_OUTER_L4_CKSUM_ERR; + } + } + *cksum_err = tmp; + + return 0; +} + +static void +hns3_rx_set_cksum_flag(struct rte_mbuf *rxm, uint64_t packet_type, + const uint32_t cksum_err) +{ + if (unlikely((packet_type & RTE_PTYPE_TUNNEL_MASK))) { + if (likely(packet_type & RTE_PTYPE_INNER_L3_MASK) && + (cksum_err & HNS3_L3_CKSUM_ERR) == 0) + rxm->ol_flags |= PKT_RX_IP_CKSUM_GOOD; + if (likely(packet_type & RTE_PTYPE_INNER_L4_MASK) && + (cksum_err & HNS3_L4_CKSUM_ERR) == 0) + rxm->ol_flags |= PKT_RX_L4_CKSUM_GOOD; + if (likely(packet_type & RTE_PTYPE_L4_MASK) && + (cksum_err & HNS3_OUTER_L4_CKSUM_ERR) == 0) + rxm->ol_flags |= PKT_RX_OUTER_L4_CKSUM_GOOD; + } else { + if (likely(packet_type & RTE_PTYPE_L3_MASK) && + (cksum_err & HNS3_L3_CKSUM_ERR) == 0) + rxm->ol_flags |= PKT_RX_IP_CKSUM_GOOD; + if (likely(packet_type & RTE_PTYPE_L4_MASK) && + (cksum_err & HNS3_L4_CKSUM_ERR) == 0) + rxm->ol_flags |= PKT_RX_L4_CKSUM_GOOD; + } +} + +uint16_t +hns3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) +{ + struct hns3_rx_queue *rxq; /* RX queue */ + struct hns3_desc *rx_ring; /* RX ring (desc) */ + struct hns3_entry *sw_ring; + struct hns3_entry *rxe; + struct hns3_desc *rxdp; /* pointer of the current desc */ + struct rte_mbuf *first_seg; + struct rte_mbuf *last_seg; + struct rte_mbuf *nmb; /* pointer of the new mbuf */ + struct rte_mbuf *rxm; + struct rte_eth_dev *dev; + uint32_t bd_base_info; + uint32_t cksum_err; + uint32_t l234_info; + uint32_t ol_info; + uint64_t dma_addr; + uint16_t data_len; + uint16_t nb_rx_bd; + uint16_t pkt_len; + uint16_t nb_rx; + uint16_t rx_id; + int num; /* num of desc in ring */ + int ret; + + nb_rx = 0; + nb_rx_bd = 0; + rxq = rx_queue; + dev = &rte_eth_devices[rxq->port_id]; + + rx_id = rxq->next_to_clean; + rx_ring = rxq->rx_ring; + first_seg = rxq->pkt_first_seg; + last_seg = rxq->pkt_last_seg; + sw_ring = rxq->sw_ring; + + /* Get num of packets in descriptor ring */ + num = hns3_read_dev(rxq, HNS3_RING_RX_FBDNUM_REG); + while (nb_rx_bd < num && nb_rx < nb_pkts) { + rxdp = &rx_ring[rx_id]; + bd_base_info = rte_le_to_cpu_32(rxdp->rx.bd_base_info); + if (unlikely(!hns3_get_bit(bd_base_info, HNS3_RXD_VLD_B))) { + rxq->non_vld_descs++; + break; + } + + nmb = rte_mbuf_raw_alloc(rxq->mb_pool); + if (unlikely(nmb == NULL)) { + dev->data->rx_mbuf_alloc_failed++; + break; + } + + nb_rx_bd++; + rxe = &sw_ring[rx_id]; + rx_id++; + if (rx_id == rxq->nb_rx_desc) + rx_id = 0; + + rte_prefetch0(sw_ring[rx_id].mbuf); + if ((rx_id & 0x3) == 0) { + rte_prefetch0(&rx_ring[rx_id]); + rte_prefetch0(&sw_ring[rx_id]); + } + + rxm = rxe->mbuf; + rxe->mbuf = nmb; + + dma_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(nmb)); + rxdp->addr = dma_addr; + rxdp->rx.bd_base_info = 0; + + rte_cio_rmb(); + /* Load remained descriptor data and extract necessary fields */ + data_len = (uint16_t)(rte_le_to_cpu_16(rxdp->rx.size)); + l234_info = rte_le_to_cpu_32(rxdp->rx.l234_info); + ol_info = rte_le_to_cpu_32(rxdp->rx.ol_info); + + if (first_seg == NULL) { + first_seg = rxm; + first_seg->nb_segs = 1; + } else { + first_seg->nb_segs++; + last_seg->next = rxm; + } + + rxm->data_off = RTE_PKTMBUF_HEADROOM; + rxm->data_len = data_len; + + if (!hns3_get_bit(bd_base_info, HNS3_RXD_FE_B)) { + last_seg = rxm; + continue; + } + + /* The last buffer of the received packet */ + pkt_len = (uint16_t)(rte_le_to_cpu_16(rxdp->rx.pkt_len)); + first_seg->pkt_len = pkt_len; + first_seg->port = rxq->port_id; + first_seg->hash.rss = rte_le_to_cpu_32(rxdp->rx.rss_hash); + if (unlikely(hns3_get_bit(bd_base_info, HNS3_RXD_LUM_B))) { + first_seg->hash.fdir.hi = + rte_le_to_cpu_32(rxdp->rx.fd_id); + first_seg->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID; + } + rxm->next = NULL; + + ret = hns3_handle_bdinfo(rxq, first_seg, bd_base_info, + l234_info, &cksum_err); + if (unlikely(ret)) + goto pkt_err; + + first_seg->packet_type = rxd_pkt_info_to_pkt_type(l234_info, + ol_info); + + if (bd_base_info & BIT(HNS3_RXD_L3L4P_B)) + hns3_rx_set_cksum_flag(rxm, first_seg->packet_type, + cksum_err); + + first_seg->vlan_tci = rte_le_to_cpu_16(rxdp->rx.vlan_tag); + first_seg->vlan_tci_outer = + rte_le_to_cpu_16(rxdp->rx.ot_vlan_tag); + rx_pkts[nb_rx++] = first_seg; + first_seg = NULL; + continue; +pkt_err: + rte_pktmbuf_free(first_seg); + first_seg = NULL; + } + + rxq->next_to_clean = rx_id; + rxq->pkt_first_seg = first_seg; + rxq->pkt_last_seg = last_seg; + hns3_clean_rx_buffers(rxq, nb_rx_bd); + + return nb_rx; +} + +int +hns3_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t nb_desc, + unsigned int socket_id, const struct rte_eth_txconf *conf) +{ + struct hns3_adapter *hns = dev->data->dev_private; + const struct rte_memzone *tx_mz; + struct hns3_hw *hw = &hns->hw; + struct hns3_tx_queue *txq; + struct hns3_desc *desc; + unsigned int desc_size = sizeof(struct hns3_desc); + unsigned int tx_desc; + int tx_entry_len; + int i; + + if (dev->data->dev_started) { + hns3_err(hw, "tx_queue_setup after dev_start no supported"); + return -EINVAL; + } + + if (nb_desc > HNS3_MAX_RING_DESC || nb_desc < HNS3_MIN_RING_DESC || + nb_desc % HNS3_ALIGN_RING_DESC) { + hns3_err(hw, "Number (%u) of tx descriptors is invalid", + nb_desc); + return -EINVAL; + } + + if (dev->data->tx_queues[idx] != NULL) { + hns3_tx_queue_release(dev->data->tx_queues[idx]); + dev->data->tx_queues[idx] = NULL; + } + + txq = rte_zmalloc_socket("hns3 TX queue", sizeof(struct hns3_tx_queue), + RTE_CACHE_LINE_SIZE, socket_id); + if (txq == NULL) { + hns3_err(hw, "Failed to allocate memory for tx queue!"); + return -ENOMEM; + } + + txq->nb_tx_desc = nb_desc; + txq->queue_id = idx; + txq->tx_deferred_start = conf->tx_deferred_start; + + tx_entry_len = sizeof(struct hns3_entry) * txq->nb_tx_desc; + txq->sw_ring = rte_zmalloc_socket("hns3 TX sw ring", tx_entry_len, + RTE_CACHE_LINE_SIZE, socket_id); + if (txq->sw_ring == NULL) { + hns3_err(hw, "Failed to allocate memory for tx sw ring!"); + hns3_tx_queue_release(txq); + return -ENOMEM; + } + + /* Allocate tx ring hardware descriptors. */ + tx_desc = txq->nb_tx_desc * desc_size; + tx_mz = rte_eth_dma_zone_reserve(dev, "tx_ring", idx, tx_desc, + HNS3_RING_BASE_ALIGN, socket_id); + if (tx_mz == NULL) { + hns3_err(hw, "Failed to reserve DMA memory for No.%d tx ring!", + idx); + hns3_tx_queue_release(txq); + return -ENOMEM; + } + txq->mz = tx_mz; + txq->tx_ring = (struct hns3_desc *)tx_mz->addr; + txq->tx_ring_phys_addr = tx_mz->iova; + + hns3_dbg(hw, "No.%d tx descriptors iova 0x%lx", idx, + txq->tx_ring_phys_addr); + + /* Clear tx bd */ + desc = txq->tx_ring; + for (i = 0; i < txq->nb_tx_desc; i++) { + desc->tx.tp_fe_sc_vld_ra_ri = 0; + desc++; + } + + txq->hns = hns; + txq->next_to_use = 0; + txq->next_to_clean = 0; + txq->tx_bd_ready = txq->nb_tx_desc; + txq->port_id = dev->data->port_id; + txq->pkt_len_errors = 0; + txq->configured = true; + txq->io_base = (void *)((char *)hw->io_base + HNS3_TQP_REG_OFFSET + + idx * HNS3_TQP_REG_SIZE); + rte_spinlock_lock(&hw->lock); + dev->data->tx_queues[idx] = txq; + rte_spinlock_unlock(&hw->lock); + + return 0; +} + +static inline int +tx_ring_dist(struct hns3_tx_queue *txq, int begin, int end) +{ + return (end - begin + txq->nb_tx_desc) % txq->nb_tx_desc; +} + +static inline int +tx_ring_space(struct hns3_tx_queue *txq) +{ + return txq->nb_tx_desc - + tx_ring_dist(txq, txq->next_to_clean, txq->next_to_use) - 1; +} + +static inline void +hns3_queue_xmit(struct hns3_tx_queue *txq, uint32_t buf_num) +{ + hns3_write_dev(txq, HNS3_RING_TX_TAIL_REG, buf_num); +} + +static void +hns3_tx_free_useless_buffer(struct hns3_tx_queue *txq) +{ + uint16_t tx_next_clean = txq->next_to_clean; + uint16_t tx_next_use = txq->next_to_use; + uint16_t tx_bd_ready = txq->tx_bd_ready; + uint16_t tx_bd_max = txq->nb_tx_desc; + struct hns3_entry *tx_bak_pkt = &txq->sw_ring[tx_next_clean]; + struct hns3_desc *desc = &txq->tx_ring[tx_next_clean]; + struct rte_mbuf *mbuf; + + while ((!hns3_get_bit(desc->tx.tp_fe_sc_vld_ra_ri, HNS3_TXD_VLD_B)) && + (tx_next_use != tx_next_clean || tx_bd_ready < tx_bd_max)) { + mbuf = tx_bak_pkt->mbuf; + if (mbuf) { + mbuf->next = NULL; + rte_pktmbuf_free(mbuf); + tx_bak_pkt->mbuf = NULL; + } + + desc++; + tx_bak_pkt++; + tx_next_clean++; + tx_bd_ready++; + + if (tx_next_clean >= tx_bd_max) { + tx_next_clean = 0; + desc = txq->tx_ring; + tx_bak_pkt = txq->sw_ring; + } + } + + txq->next_to_clean = tx_next_clean; + txq->tx_bd_ready = tx_bd_ready; +} + +static void +fill_desc(struct hns3_tx_queue *txq, uint16_t tx_desc_id, struct rte_mbuf *rxm, + bool first, int offset) +{ + struct hns3_desc *tx_ring = txq->tx_ring; + struct hns3_desc *desc = &tx_ring[tx_desc_id]; + uint8_t frag_end = rxm->next == NULL ? 1 : 0; + uint16_t size = rxm->data_len; + uint16_t rrcfv = 0; + uint64_t ol_flags = rxm->ol_flags; + uint32_t hdr_len; + uint32_t paylen; + uint32_t tmp; + + desc->addr = rte_mbuf_data_iova(rxm) + offset; + desc->tx.send_size = rte_cpu_to_le_16(size); + hns3_set_bit(rrcfv, HNS3_TXD_VLD_B, 1); + + if (first) { + hdr_len = rxm->l2_len + rxm->l3_len + rxm->l4_len; + hdr_len += (ol_flags & PKT_TX_TUNNEL_MASK) ? + rxm->outer_l2_len + rxm->outer_l3_len : 0; + paylen = rxm->pkt_len - hdr_len; + desc->tx.paylen = rte_cpu_to_le_32(paylen); + } + + hns3_set_bit(rrcfv, HNS3_TXD_FE_B, frag_end); + desc->tx.tp_fe_sc_vld_ra_ri = rte_cpu_to_le_16(rrcfv); + + if (frag_end) { + if (ol_flags & (PKT_TX_VLAN_PKT | PKT_TX_QINQ_PKT)) { + tmp = rte_le_to_cpu_32(desc->tx.type_cs_vlan_tso_len); + hns3_set_bit(tmp, HNS3_TXD_VLAN_B, 1); + desc->tx.type_cs_vlan_tso_len = rte_cpu_to_le_32(tmp); + desc->tx.vlan_tag = rte_cpu_to_le_16(rxm->vlan_tci); + } + + if (ol_flags & PKT_TX_QINQ_PKT) { + tmp = rte_le_to_cpu_32(desc->tx.ol_type_vlan_len_msec); + hns3_set_bit(tmp, HNS3_TXD_OVLAN_B, 1); + desc->tx.ol_type_vlan_len_msec = rte_cpu_to_le_32(tmp); + desc->tx.outer_vlan_tag = + rte_cpu_to_le_16(rxm->vlan_tci_outer); + } + } +} + +static int +hns3_tx_alloc_mbufs(struct hns3_tx_queue *txq, struct rte_mempool *mb_pool, + uint16_t nb_new_buf, struct rte_mbuf **alloc_mbuf) +{ + struct rte_mbuf *new_mbuf = NULL; + struct rte_eth_dev *dev; + struct rte_mbuf *temp; + struct hns3_hw *hw; + uint16_t i; + + /* Allocate enough mbufs */ + for (i = 0; i < nb_new_buf; i++) { + temp = rte_pktmbuf_alloc(mb_pool); + if (unlikely(temp == NULL)) { + dev = &rte_eth_devices[txq->port_id]; + hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private); + hns3_err(hw, "Failed to alloc TX mbuf port_id=%d," + "queue_id=%d in reassemble tx pkts.", + txq->port_id, txq->queue_id); + rte_pktmbuf_free(new_mbuf); + return -ENOMEM; + } + temp->next = new_mbuf; + new_mbuf = temp; + } + + if (new_mbuf == NULL) + return -ENOMEM; + + new_mbuf->nb_segs = nb_new_buf; + *alloc_mbuf = new_mbuf; + + return 0; +} + +static int +hns3_reassemble_tx_pkts(void *tx_queue, struct rte_mbuf *tx_pkt, + struct rte_mbuf **new_pkt) +{ + struct hns3_tx_queue *txq = tx_queue; + struct rte_mempool *mb_pool; + struct rte_mbuf *new_mbuf; + struct rte_mbuf *temp_new; + struct rte_mbuf *temp; + uint16_t last_buf_len; + uint16_t nb_new_buf; + uint16_t buf_size; + uint16_t buf_len; + uint16_t len_s; + uint16_t len_d; + uint16_t len; + uint16_t i; + int ret; + char *s; + char *d; + + mb_pool = tx_pkt->pool; + buf_size = tx_pkt->buf_len - RTE_PKTMBUF_HEADROOM; + nb_new_buf = (tx_pkt->pkt_len - 1) / buf_size + 1; + + last_buf_len = tx_pkt->pkt_len % buf_size; + if (last_buf_len == 0) + last_buf_len = buf_size; + + /* Allocate enough mbufs */ + ret = hns3_tx_alloc_mbufs(txq, mb_pool, nb_new_buf, &new_mbuf); + if (ret) + return ret; + + /* Copy the original packet content to the new mbufs */ + temp = tx_pkt; + s = rte_pktmbuf_mtod(temp, char *); + len_s = temp->data_len; + temp_new = new_mbuf; + for (i = 0; i < nb_new_buf; i++) { + d = rte_pktmbuf_mtod(temp_new, char *); + if (i < nb_new_buf - 1) + buf_len = buf_size; + else + buf_len = last_buf_len; + len_d = buf_len; + + while (len_d) { + len = RTE_MIN(len_s, len_d); + memcpy(d, s, len); + s = s + len; + d = d + len; + len_d = len_d - len; + len_s = len_s - len; + + if (len_s == 0) { + temp = temp->next; + if (temp == NULL) + break; + s = rte_pktmbuf_mtod(temp, char *); + len_s = temp->data_len; + } + } + + temp_new->data_len = buf_len; + temp_new = temp_new->next; + } + + /* free original mbufs */ + rte_pktmbuf_free(tx_pkt); + + *new_pkt = new_mbuf; + + return 0; +} + +static void +hns3_parse_outer_params(uint64_t ol_flags, uint32_t *ol_type_vlan_len_msec) +{ + uint32_t tmp = *ol_type_vlan_len_msec; + + /* (outer) IP header type */ + if (ol_flags & PKT_TX_OUTER_IPV4) { + /* OL3 header size, defined in 4 bytes */ + hns3_set_field(tmp, HNS3_TXD_L3LEN_M, HNS3_TXD_L3LEN_S, + sizeof(struct rte_ipv4_hdr) >> HNS3_L3_LEN_UNIT); + if (ol_flags & PKT_TX_OUTER_IP_CKSUM) + hns3_set_field(tmp, HNS3_TXD_OL3T_M, + HNS3_TXD_OL3T_S, HNS3_OL3T_IPV4_CSUM); + else + hns3_set_field(tmp, HNS3_TXD_OL3T_M, HNS3_TXD_OL3T_S, + HNS3_OL3T_IPV4_NO_CSUM); + } else if (ol_flags & PKT_TX_OUTER_IPV6) { + hns3_set_field(tmp, HNS3_TXD_OL3T_M, HNS3_TXD_OL3T_S, + HNS3_OL3T_IPV6); + /* OL3 header size, defined in 4 bytes */ + hns3_set_field(tmp, HNS3_TXD_L3LEN_M, HNS3_TXD_L3LEN_S, + sizeof(struct rte_ipv6_hdr) >> HNS3_L3_LEN_UNIT); + } + + *ol_type_vlan_len_msec = tmp; +} + +static int +hns3_parse_inner_params(uint64_t ol_flags, uint32_t *ol_type_vlan_len_msec, + struct rte_net_hdr_lens *hdr_lens) +{ + uint32_t tmp = *ol_type_vlan_len_msec; + uint8_t l4_len; + + /* OL2 header size, defined in 2 bytes */ + hns3_set_field(tmp, HNS3_TXD_L2LEN_M, HNS3_TXD_L2LEN_S, + sizeof(struct rte_ether_hdr) >> HNS3_L2_LEN_UNIT); + + /* L4TUNT: L4 Tunneling Type */ + switch (ol_flags & PKT_TX_TUNNEL_MASK) { + case PKT_TX_TUNNEL_GENEVE: + case PKT_TX_TUNNEL_VXLAN: + /* MAC in UDP tunnelling packet, include VxLAN */ + hns3_set_field(tmp, HNS3_TXD_TUNTYPE_M, HNS3_TXD_TUNTYPE_S, + HNS3_TUN_MAC_IN_UDP); + /* + * OL4 header size, defined in 4 Bytes, it contains outer + * L4(UDP) length and tunneling length. + */ + hns3_set_field(tmp, HNS3_TXD_L4LEN_M, HNS3_TXD_L4LEN_S, + (uint8_t)RTE_ETHER_VXLAN_HLEN >> + HNS3_L4_LEN_UNIT); + break; + case PKT_TX_TUNNEL_GRE: + hns3_set_field(tmp, HNS3_TXD_TUNTYPE_M, HNS3_TXD_TUNTYPE_S, + HNS3_TUN_NVGRE); + /* + * OL4 header size, defined in 4 Bytes, it contains outer + * L4(GRE) length and tunneling length. + */ + l4_len = hdr_lens->l4_len + hdr_lens->tunnel_len; + hns3_set_field(tmp, HNS3_TXD_L4LEN_M, HNS3_TXD_L4LEN_S, + l4_len >> HNS3_L4_LEN_UNIT); + break; + default: + /* For non UDP / GRE tunneling, drop the tunnel packet */ + return -EINVAL; + } + + *ol_type_vlan_len_msec = tmp; + + return 0; +} + +static int +hns3_parse_tunneling_params(struct hns3_tx_queue *txq, uint16_t tx_desc_id, + uint64_t ol_flags, + struct rte_net_hdr_lens *hdr_lens) +{ + struct hns3_desc *tx_ring = txq->tx_ring; + struct hns3_desc *desc = &tx_ring[tx_desc_id]; + uint32_t value = 0; + int ret; + + hns3_parse_outer_params(ol_flags, &value); + ret = hns3_parse_inner_params(ol_flags, &value, hdr_lens); + if (ret) + return -EINVAL; + + desc->tx.ol_type_vlan_len_msec |= rte_cpu_to_le_32(value); + + return 0; +} + +static void +hns3_parse_l3_cksum_params(uint64_t ol_flags, uint32_t *type_cs_vlan_tso_len) +{ + uint32_t tmp; + + /* Enable L3 checksum offloads */ + if (ol_flags & PKT_TX_IPV4) { + tmp = *type_cs_vlan_tso_len; + hns3_set_field(tmp, HNS3_TXD_L3T_M, HNS3_TXD_L3T_S, + HNS3_L3T_IPV4); + /* inner(/normal) L3 header size, defined in 4 bytes */ + hns3_set_field(tmp, HNS3_TXD_L3LEN_M, HNS3_TXD_L3LEN_S, + sizeof(struct rte_ipv4_hdr) >> HNS3_L3_LEN_UNIT); + if (ol_flags & PKT_TX_IP_CKSUM) + hns3_set_bit(tmp, HNS3_TXD_L3CS_B, 1); + *type_cs_vlan_tso_len = tmp; + } else if (ol_flags & PKT_TX_IPV6) { + tmp = *type_cs_vlan_tso_len; + /* L3T, IPv6 don't do checksum */ + hns3_set_field(tmp, HNS3_TXD_L3T_M, HNS3_TXD_L3T_S, + HNS3_L3T_IPV6); + /* inner(/normal) L3 header size, defined in 4 bytes */ + hns3_set_field(tmp, HNS3_TXD_L3LEN_M, HNS3_TXD_L3LEN_S, + sizeof(struct rte_ipv6_hdr) >> HNS3_L3_LEN_UNIT); + *type_cs_vlan_tso_len = tmp; + } +} + +static void +hns3_parse_l4_cksum_params(uint64_t ol_flags, uint32_t *type_cs_vlan_tso_len) +{ + uint32_t tmp; + + /* Enable L4 checksum offloads */ + switch (ol_flags & PKT_TX_L4_MASK) { + case PKT_TX_TCP_CKSUM: + tmp = *type_cs_vlan_tso_len; + hns3_set_field(tmp, HNS3_TXD_L4T_M, HNS3_TXD_L4T_S, + HNS3_L4T_TCP); + hns3_set_bit(tmp, HNS3_TXD_L4CS_B, 1); + hns3_set_field(tmp, HNS3_TXD_L4LEN_M, HNS3_TXD_L4LEN_S, + sizeof(struct rte_tcp_hdr) >> HNS3_L4_LEN_UNIT); + *type_cs_vlan_tso_len = tmp; + break; + case PKT_TX_UDP_CKSUM: + tmp = *type_cs_vlan_tso_len; + hns3_set_field(tmp, HNS3_TXD_L4T_M, HNS3_TXD_L4T_S, + HNS3_L4T_UDP); + hns3_set_bit(tmp, HNS3_TXD_L4CS_B, 1); + hns3_set_field(tmp, HNS3_TXD_L4LEN_M, HNS3_TXD_L4LEN_S, + sizeof(struct rte_udp_hdr) >> HNS3_L4_LEN_UNIT); + *type_cs_vlan_tso_len = tmp; + break; + case PKT_TX_SCTP_CKSUM: + tmp = *type_cs_vlan_tso_len; + hns3_set_field(tmp, HNS3_TXD_L4T_M, HNS3_TXD_L4T_S, + HNS3_L4T_SCTP); + hns3_set_bit(tmp, HNS3_TXD_L4CS_B, 1); + hns3_set_field(tmp, HNS3_TXD_L4LEN_M, HNS3_TXD_L4LEN_S, + sizeof(struct rte_sctp_hdr) >> HNS3_L4_LEN_UNIT); + *type_cs_vlan_tso_len = tmp; + break; + default: + break; + } +} + +static void +hns3_txd_enable_checksum(struct hns3_tx_queue *txq, uint16_t tx_desc_id, + uint64_t ol_flags) +{ + struct hns3_desc *tx_ring = txq->tx_ring; + struct hns3_desc *desc = &tx_ring[tx_desc_id]; + uint32_t value = 0; + + /* inner(/normal) L2 header size, defined in 2 bytes */ + hns3_set_field(value, HNS3_TXD_L2LEN_M, HNS3_TXD_L2LEN_S, + sizeof(struct rte_ether_hdr) >> HNS3_L2_LEN_UNIT); + + hns3_parse_l3_cksum_params(ol_flags, &value); + hns3_parse_l4_cksum_params(ol_flags, &value); + + desc->tx.type_cs_vlan_tso_len |= rte_cpu_to_le_32(value); +} + +uint16_t +hns3_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) +{ + struct rte_mbuf *m; + uint16_t i; + int ret; + + for (i = 0; i < nb_pkts; i++) { + m = tx_pkts[i]; + + /* check the size of packet */ + if (m->pkt_len < HNS3_MIN_FRAME_LEN) { + rte_errno = EINVAL; + return i; + } + +#ifdef RTE_LIBRTE_ETHDEV_DEBUG + ret = rte_validate_tx_offload(m); + if (ret != 0) { + rte_errno = -ret; + return i; + } +#endif + ret = rte_net_intel_cksum_prepare(m); + if (ret != 0) { + rte_errno = -ret; + return i; + } + } + + return i; +} + +static int +hns3_parse_cksum(struct hns3_tx_queue *txq, uint16_t tx_desc_id, + const struct rte_mbuf *m, struct rte_net_hdr_lens *hdr_lens) +{ + /* Fill in tunneling parameters if necessary */ + if (m->ol_flags & PKT_TX_TUNNEL_MASK) { + (void)rte_net_get_ptype(m, hdr_lens, RTE_PTYPE_ALL_MASK); + if (hns3_parse_tunneling_params(txq, tx_desc_id, m->ol_flags, + hdr_lens)) + return -EINVAL; + } + /* Enable checksum offloading */ + if (m->ol_flags & HNS3_TX_CKSUM_OFFLOAD_MASK) + hns3_txd_enable_checksum(txq, tx_desc_id, m->ol_flags); + + return 0; +} + +uint16_t +hns3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) +{ + struct rte_net_hdr_lens hdr_lens = {0}; + struct hns3_tx_queue *txq = tx_queue; + struct hns3_entry *tx_bak_pkt; + struct rte_mbuf *new_pkt; + struct rte_mbuf *tx_pkt; + struct rte_mbuf *m_seg; + struct rte_mbuf *temp; + uint32_t nb_hold = 0; + uint16_t tx_next_clean; + uint16_t tx_next_use; + uint16_t tx_bd_ready; + uint16_t tx_pkt_num; + uint16_t tx_bd_max; + uint16_t nb_buf; + uint16_t nb_tx; + uint16_t i; + + /* free useless buffer */ + hns3_tx_free_useless_buffer(txq); + tx_bd_ready = txq->tx_bd_ready; + if (tx_bd_ready == 0) + return 0; + + tx_next_clean = txq->next_to_clean; + tx_next_use = txq->next_to_use; + tx_bd_max = txq->nb_tx_desc; + tx_bak_pkt = &txq->sw_ring[tx_next_clean]; + + tx_pkt_num = (tx_bd_ready < nb_pkts) ? tx_bd_ready : nb_pkts; + + /* send packets */ + tx_bak_pkt = &txq->sw_ring[tx_next_use]; + for (nb_tx = 0; nb_tx < tx_pkt_num; nb_tx++) { + tx_pkt = *tx_pkts++; + + nb_buf = tx_pkt->nb_segs; + + if (nb_buf > tx_ring_space(txq)) { + if (nb_tx == 0) + return 0; + + goto end_of_tx; + } + + /* + * If the length of the packet is too long or zero, the packet + * will be ignored. + */ + if (unlikely(tx_pkt->pkt_len > HNS3_MAX_FRAME_LEN || + tx_pkt->pkt_len == 0)) { + txq->pkt_len_errors++; + continue; + } + + m_seg = tx_pkt; + if (unlikely(nb_buf > HNS3_MAX_TX_BD_PER_PKT)) { + if (hns3_reassemble_tx_pkts(txq, tx_pkt, &new_pkt)) + goto end_of_tx; + m_seg = new_pkt; + nb_buf = m_seg->nb_segs; + } + + if (hns3_parse_cksum(txq, tx_next_use, m_seg, &hdr_lens)) + goto end_of_tx; + + i = 0; + do { + fill_desc(txq, tx_next_use, m_seg, (i == 0), 0); + temp = m_seg->next; + tx_bak_pkt->mbuf = m_seg; + m_seg = temp; + tx_next_use++; + tx_bak_pkt++; + if (tx_next_use >= tx_bd_max) { + tx_next_use = 0; + tx_bak_pkt = txq->sw_ring; + } + + i++; + } while (m_seg != NULL); + + nb_hold += i; + } + +end_of_tx: + + if (likely(nb_tx)) { + hns3_queue_xmit(txq, nb_hold); + txq->next_to_clean = tx_next_clean; + txq->next_to_use = tx_next_use; + txq->tx_bd_ready = tx_bd_ready - nb_hold; + } + + return nb_tx; +} + +void hns3_set_rxtx_function(struct rte_eth_dev *eth_dev) +{ + eth_dev->rx_pkt_burst = hns3_recv_pkts; + eth_dev->tx_pkt_burst = hns3_xmit_pkts; + eth_dev->tx_pkt_prepare = hns3_prep_pkts; +} diff --git a/drivers/net/hns3/hns3_rxtx.h b/drivers/net/hns3/hns3_rxtx.h new file mode 100644 index 0000000..358f129 --- /dev/null +++ b/drivers/net/hns3/hns3_rxtx.h @@ -0,0 +1,317 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018-2019 Hisilicon Limited. + */ + +#ifndef _HNS3_RXTX_H_ +#define _HNS3_RXTX_H_ + +#define HNS3_MIN_RING_DESC 32 +#define HNS3_MAX_RING_DESC 32768 +#define HNS3_DEFAULT_RING_DESC 1024 +#define HNS3_ALIGN_RING_DESC 32 +#define HNS3_RING_BASE_ALIGN 128 + +#define HNS3_BD_SIZE_512_TYPE 0 +#define HNS3_BD_SIZE_1024_TYPE 1 +#define HNS3_BD_SIZE_2048_TYPE 2 +#define HNS3_BD_SIZE_4096_TYPE 3 + +#define HNS3_RX_FLAG_VLAN_PRESENT 0x1 +#define HNS3_RX_FLAG_L3ID_IPV4 0x0 +#define HNS3_RX_FLAG_L3ID_IPV6 0x1 +#define HNS3_RX_FLAG_L4ID_UDP 0x0 +#define HNS3_RX_FLAG_L4ID_TCP 0x1 + +#define HNS3_RXD_DMAC_S 0 +#define HNS3_RXD_DMAC_M (0x3 << HNS3_RXD_DMAC_S) +#define HNS3_RXD_VLAN_S 2 +#define HNS3_RXD_VLAN_M (0x3 << HNS3_RXD_VLAN_S) +#define HNS3_RXD_L3ID_S 4 +#define HNS3_RXD_L3ID_M (0xf << HNS3_RXD_L3ID_S) +#define HNS3_RXD_L4ID_S 8 +#define HNS3_RXD_L4ID_M (0xf << HNS3_RXD_L4ID_S) +#define HNS3_RXD_FRAG_B 12 +#define HNS3_RXD_STRP_TAGP_S 13 +#define HNS3_RXD_STRP_TAGP_M (0x3 << HNS3_RXD_STRP_TAGP_S) + +#define HNS3_RXD_L2E_B 16 +#define HNS3_RXD_L3E_B 17 +#define HNS3_RXD_L4E_B 18 +#define HNS3_RXD_TRUNCAT_B 19 +#define HNS3_RXD_HOI_B 20 +#define HNS3_RXD_DOI_B 21 +#define HNS3_RXD_OL3E_B 22 +#define HNS3_RXD_OL4E_B 23 +#define HNS3_RXD_GRO_COUNT_S 24 +#define HNS3_RXD_GRO_COUNT_M (0x3f << HNS3_RXD_GRO_COUNT_S) +#define HNS3_RXD_GRO_FIXID_B 30 +#define HNS3_RXD_GRO_ECN_B 31 + +#define HNS3_RXD_ODMAC_S 0 +#define HNS3_RXD_ODMAC_M (0x3 << HNS3_RXD_ODMAC_S) +#define HNS3_RXD_OVLAN_S 2 +#define HNS3_RXD_OVLAN_M (0x3 << HNS3_RXD_OVLAN_S) +#define HNS3_RXD_OL3ID_S 4 +#define HNS3_RXD_OL3ID_M (0xf << HNS3_RXD_OL3ID_S) +#define HNS3_RXD_OL4ID_S 8 +#define HNS3_RXD_OL4ID_M (0xf << HNS3_RXD_OL4ID_S) +#define HNS3_RXD_FBHI_S 12 +#define HNS3_RXD_FBHI_M (0x3 << HNS3_RXD_FBHI_S) +#define HNS3_RXD_FBLI_S 14 +#define HNS3_RXD_FBLI_M (0x3 << HNS3_RXD_FBLI_S) + +#define HNS3_RXD_BDTYPE_S 0 +#define HNS3_RXD_BDTYPE_M (0xf << HNS3_RXD_BDTYPE_S) +#define HNS3_RXD_VLD_B 4 +#define HNS3_RXD_UDP0_B 5 +#define HNS3_RXD_EXTEND_B 7 +#define HNS3_RXD_FE_B 8 +#define HNS3_RXD_LUM_B 9 +#define HNS3_RXD_CRCP_B 10 +#define HNS3_RXD_L3L4P_B 11 +#define HNS3_RXD_TSIND_S 12 +#define HNS3_RXD_TSIND_M (0x7 << HNS3_RXD_TSIND_S) +#define HNS3_RXD_LKBK_B 15 +#define HNS3_RXD_GRO_SIZE_S 16 +#define HNS3_RXD_GRO_SIZE_M (0x3ff << HNS3_RXD_GRO_SIZE_S) + +#define HNS3_TXD_L3T_S 0 +#define HNS3_TXD_L3T_M (0x3 << HNS3_TXD_L3T_S) +#define HNS3_TXD_L4T_S 2 +#define HNS3_TXD_L4T_M (0x3 << HNS3_TXD_L4T_S) +#define HNS3_TXD_L3CS_B 4 +#define HNS3_TXD_L4CS_B 5 +#define HNS3_TXD_VLAN_B 6 +#define HNS3_TXD_TSO_B 7 + +#define HNS3_TXD_L2LEN_S 8 +#define HNS3_TXD_L2LEN_M (0xff << HNS3_TXD_L2LEN_S) +#define HNS3_TXD_L3LEN_S 16 +#define HNS3_TXD_L3LEN_M (0xff << HNS3_TXD_L3LEN_S) +#define HNS3_TXD_L4LEN_S 24 +#define HNS3_TXD_L4LEN_M (0xffUL << HNS3_TXD_L4LEN_S) + +#define HNS3_TXD_OL3T_S 0 +#define HNS3_TXD_OL3T_M (0x3 << HNS3_TXD_OL3T_S) +#define HNS3_TXD_OVLAN_B 2 +#define HNS3_TXD_MACSEC_B 3 +#define HNS3_TXD_TUNTYPE_S 4 +#define HNS3_TXD_TUNTYPE_M (0xf << HNS3_TXD_TUNTYPE_S) + +#define HNS3_TXD_BDTYPE_S 0 +#define HNS3_TXD_BDTYPE_M (0xf << HNS3_TXD_BDTYPE_S) +#define HNS3_TXD_FE_B 4 +#define HNS3_TXD_SC_S 5 +#define HNS3_TXD_SC_M (0x3 << HNS3_TXD_SC_S) +#define HNS3_TXD_EXTEND_B 7 +#define HNS3_TXD_VLD_B 8 +#define HNS3_TXD_RI_B 9 +#define HNS3_TXD_RA_B 10 +#define HNS3_TXD_TSYN_B 11 +#define HNS3_TXD_DECTTL_S 12 +#define HNS3_TXD_DECTTL_M (0xf << HNS3_TXD_DECTTL_S) + +#define HNS3_TXD_MSS_S 0 +#define HNS3_TXD_MSS_M (0x3fff << HNS3_TXD_MSS_S) + +#define HNS3_L2_LEN_UNIT 1UL +#define HNS3_L3_LEN_UNIT 2UL +#define HNS3_L4_LEN_UNIT 2UL + +enum hns3_pkt_l2t_type { + HNS3_L2_TYPE_UNICAST, + HNS3_L2_TYPE_MULTICAST, + HNS3_L2_TYPE_BROADCAST, + HNS3_L2_TYPE_INVALID, +}; + +enum hns3_pkt_l3t_type { + HNS3_L3T_NONE, + HNS3_L3T_IPV6, + HNS3_L3T_IPV4, + HNS3_L3T_RESERVED +}; + +enum hns3_pkt_l4t_type { + HNS3_L4T_UNKNOWN, + HNS3_L4T_TCP, + HNS3_L4T_UDP, + HNS3_L4T_SCTP +}; + +enum hns3_pkt_ol3t_type { + HNS3_OL3T_NONE, + HNS3_OL3T_IPV6, + HNS3_OL3T_IPV4_NO_CSUM, + HNS3_OL3T_IPV4_CSUM +}; + +enum hns3_pkt_tun_type { + HNS3_TUN_NONE, + HNS3_TUN_MAC_IN_UDP, + HNS3_TUN_NVGRE, + HNS3_TUN_OTHER +}; + +/* hardware spec ring buffer format */ +struct hns3_desc { + union { + uint64_t addr; + struct { + uint32_t addr0; + uint32_t addr1; + }; + }; + union { + struct { + uint16_t vlan_tag; + uint16_t send_size; + union { + /* + * L3T | L4T | L3CS | L4CS | VLAN | TSO | + * L2_LEN + */ + uint32_t type_cs_vlan_tso_len; + struct { + uint8_t type_cs_vlan_tso; + uint8_t l2_len; + uint8_t l3_len; + uint8_t l4_len; + }; + }; + uint16_t outer_vlan_tag; + uint16_t tv; + union { + /* OL3T | OVALAN | MACSEC */ + uint32_t ol_type_vlan_len_msec; + struct { + uint8_t ol_type_vlan_msec; + uint8_t ol2_len; + uint8_t ol3_len; + uint8_t ol4_len; + }; + }; + + uint32_t paylen; + uint16_t tp_fe_sc_vld_ra_ri; + uint16_t mss; + } tx; + + struct { + uint32_t l234_info; + uint16_t pkt_len; + uint16_t size; + uint32_t rss_hash; + uint16_t fd_id; + uint16_t vlan_tag; + union { + uint32_t ol_info; + struct { + uint16_t o_dm_vlan_id_fb; + uint16_t ot_vlan_tag; + }; + }; + uint32_t bd_base_info; + } rx; + }; +} __rte_packed; + +struct hns3_entry { + struct rte_mbuf *mbuf; +}; + +struct hns3_rx_queue { + void *io_base; + struct hns3_adapter *hns; + struct rte_mempool *mb_pool; + struct hns3_desc *rx_ring; + uint64_t rx_ring_phys_addr; /* RX ring DMA address */ + const struct rte_memzone *mz; + struct hns3_entry *sw_ring; + + struct rte_mbuf *pkt_first_seg; + struct rte_mbuf *pkt_last_seg; + + uint16_t queue_id; + uint16_t port_id; + uint16_t nb_rx_desc; + uint16_t nb_rx_hold; + uint16_t rx_tail; + uint16_t next_to_clean; + uint16_t next_to_use; + uint16_t rx_buf_len; + uint16_t rx_free_thresh; + + bool rx_deferred_start; /* don't start this queue in dev start */ + bool configured; /* indicate if rx queue has been configured */ + + uint64_t non_vld_descs; /* num of non valid rx descriptors */ + uint64_t l2_errors; + uint64_t pkt_len_errors; + uint64_t l3_csum_erros; + uint64_t l4_csum_erros; + uint64_t ol3_csum_erros; + uint64_t ol4_csum_erros; + uint64_t errors; /* num of error rx packets recorded by driver */ +}; + +struct hns3_tx_queue { + void *io_base; + struct hns3_adapter *hns; + struct hns3_desc *tx_ring; + uint64_t tx_ring_phys_addr; /* TX ring DMA address */ + const struct rte_memzone *mz; + struct hns3_entry *sw_ring; + + uint16_t queue_id; + uint16_t port_id; + uint16_t nb_tx_desc; + uint16_t next_to_clean; + uint16_t next_to_use; + uint16_t tx_bd_ready; + + bool tx_deferred_start; /* don't start this queue in dev start */ + bool configured; /* indicate if tx queue has been configured */ + + uint64_t pkt_len_errors; +}; + +#define HNS3_TX_CKSUM_OFFLOAD_MASK ( \ + PKT_TX_OUTER_IPV6 | \ + PKT_TX_OUTER_IPV4 | \ + PKT_TX_OUTER_IP_CKSUM | \ + PKT_TX_IPV6 | \ + PKT_TX_IPV4 | \ + PKT_TX_IP_CKSUM | \ + PKT_TX_L4_MASK | \ + PKT_TX_TUNNEL_MASK) + +enum hns3_cksum_status { + HNS3_CKSUM_NONE = 0, + HNS3_L3_CKSUM_ERR = 1, + HNS3_L4_CKSUM_ERR = 2, + HNS3_OUTER_L3_CKSUM_ERR = 4, + HNS3_OUTER_L4_CKSUM_ERR = 8 +}; + +void hns3_dev_rx_queue_release(void *queue); +void hns3_dev_tx_queue_release(void *queue); +void hns3_free_all_queues(struct rte_eth_dev *dev); +int hns3_reset_all_queues(struct hns3_adapter *hns); +int hns3_start_queues(struct hns3_adapter *hns, bool reset_queue); +int hns3_stop_queues(struct hns3_adapter *hns, bool reset_queue); +void hns3_dev_release_mbufs(struct hns3_adapter *hns); +int hns3_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t nb_desc, + unsigned int socket, const struct rte_eth_rxconf *conf, + struct rte_mempool *mp); +int hns3_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t nb_desc, + unsigned int socket, const struct rte_eth_txconf *conf); +uint16_t hns3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, + uint16_t nb_pkts); +uint16_t hns3_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts); +uint16_t hns3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts); +const uint32_t *hns3_dev_supported_ptypes_get(struct rte_eth_dev *dev); +void hns3_set_rxtx_function(struct rte_eth_dev *eth_dev); +#endif /* _HNS3_RXTX_H_ */ diff --git a/drivers/net/hns3/meson.build b/drivers/net/hns3/meson.build index 4a70992..1d8b1b1 100644 --- a/drivers/net/hns3/meson.build +++ b/drivers/net/hns3/meson.build @@ -21,5 +21,6 @@ sources = files('hns3_cmd.c', 'hns3_flow.c', 'hns3_mbx.c', 'hns3_rss.c', + 'hns3_rxtx.c', ) deps += ['hash']