From patchwork Mon Jun 3 04:35:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xue Chaojing X-Patchwork-Id: 1109224 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45HZ691tvCz9s7h for ; Mon, 3 Jun 2019 22:26:09 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726855AbfFCM0D (ORCPT ); Mon, 3 Jun 2019 08:26:03 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:18072 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726635AbfFCM0D (ORCPT ); Mon, 3 Jun 2019 08:26:03 -0400 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 3E0BDF187D90E2266BEA; Mon, 3 Jun 2019 20:26:00 +0800 (CST) Received: from localhost.localdomain (10.175.34.53) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.439.0; Mon, 3 Jun 2019 20:25:53 +0800 From: Xue Chaojing To: CC: , , , , , , Subject: [PATCH net-next v3] hinic: add LRO support Date: Mon, 3 Jun 2019 04:35:36 +0000 Message-ID: <20190603043536.4970-1-xuechaojing@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.34.53] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patch adds LRO support for the HiNIC driver. Signed-off-by: Xue Chaojing --- .../net/ethernet/huawei/hinic/hinic_hw_dev.c | 2 + .../net/ethernet/huawei/hinic/hinic_hw_dev.h | 8 +- .../net/ethernet/huawei/hinic/hinic_hw_io.c | 58 +++++++++ .../ethernet/huawei/hinic/hinic_hw_qp_ctxt.h | 5 + .../net/ethernet/huawei/hinic/hinic_hw_wqe.h | 22 +++- .../net/ethernet/huawei/hinic/hinic_main.c | 51 +++++++- .../net/ethernet/huawei/hinic/hinic_port.c | 114 ++++++++++++++++++ .../net/ethernet/huawei/hinic/hinic_port.h | 45 +++++++ drivers/net/ethernet/huawei/hinic/hinic_rx.c | 46 +++++-- drivers/net/ethernet/huawei/hinic/hinic_rx.h | 2 + 10 files changed, 340 insertions(+), 13 deletions(-) diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c index 3875f39f43bb..756a7e3280bd 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c @@ -313,6 +313,8 @@ static int set_hw_ioctxt(struct hinic_hwdev *hwdev, unsigned int rq_depth, hw_ioctxt.set_cmdq_depth = HW_IOCTXT_SET_CMDQ_DEPTH_DEFAULT; hw_ioctxt.cmdq_depth = 0; + hw_ioctxt.lro_en = 1; + hw_ioctxt.rq_depth = ilog2(rq_depth); hw_ioctxt.rx_buf_sz_idx = HINIC_RX_BUF_SZ_IDX; diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h index c9e621e19dd0..fba4fe82472a 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h @@ -50,6 +50,8 @@ enum hinic_port_cmd { HINIC_PORT_CMD_GET_LINK_STATE = 24, + HINIC_PORT_CMD_SET_LRO = 25, + HINIC_PORT_CMD_SET_RX_CSUM = 26, HINIC_PORT_CMD_SET_PORT_STATE = 41, @@ -62,7 +64,11 @@ enum hinic_port_cmd { HINIC_PORT_CMD_SET_TSO = 112, + HINIC_PORT_CMD_SET_RQ_IQ_MAP = 115, + HINIC_PORT_CMD_GET_CAP = 170, + + HINIC_PORT_CMD_SET_LRO_TIMER = 244, }; enum hinic_mgmt_msg_cmd { @@ -106,7 +112,7 @@ struct hinic_cmd_hw_ioctxt { u8 set_cmdq_depth; u8 cmdq_depth; - u8 rsvd2; + u8 lro_en; u8 rsvd3; u8 rsvd4; u8 rsvd5; diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c index a322a22d9357..1169526323cf 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c @@ -45,6 +45,7 @@ enum io_cmd { IO_CMD_MODIFY_QUEUE_CTXT = 0, + IO_CMD_CLEAN_QUEUE_CTXT, }; static void init_db_area_idx(struct hinic_free_db_area *free_db_area) @@ -210,6 +211,57 @@ static int write_qp_ctxts(struct hinic_func_to_io *func_to_io, u16 base_qpn, write_rq_ctxts(func_to_io, base_qpn, num_qps)); } +static int clean_queue_offload_ctxt(struct hinic_func_to_io *func_to_io, + enum hinic_qp_ctxt_type ctxt_type) +{ + struct hinic_hwif *hwif = func_to_io->hwif; + struct hinic_clean_queue_ctxt *ctxt_block; + struct pci_dev *pdev = hwif->pdev; + struct hinic_cmdq_buf cmdq_buf; + u64 out_param = 0; + int err; + + err = hinic_alloc_cmdq_buf(&func_to_io->cmdqs, &cmdq_buf); + if (err) { + dev_err(&pdev->dev, "Failed to allocate cmdq buf\n"); + return err; + } + + ctxt_block = cmdq_buf.buf; + ctxt_block->cmdq_hdr.num_queues = func_to_io->max_qps; + ctxt_block->cmdq_hdr.queue_type = ctxt_type; + ctxt_block->cmdq_hdr.addr_offset = 0; + + /* TSO/LRO ctxt size: 0x0:0B; 0x1:160B; 0x2:200B; 0x3:240B */ + ctxt_block->ctxt_size = 0x3; + + hinic_cpu_to_be32(ctxt_block, sizeof(*ctxt_block)); + + cmdq_buf.size = sizeof(*ctxt_block); + + err = hinic_cmdq_direct_resp(&func_to_io->cmdqs, HINIC_MOD_L2NIC, + IO_CMD_CLEAN_QUEUE_CTXT, + &cmdq_buf, &out_param); + + if (err || out_param) { + dev_err(&pdev->dev, "Failed to clean queue offload ctxts, err: %d, out_param: 0x%llx\n", + err, out_param); + + err = -EFAULT; + } + + hinic_free_cmdq_buf(&func_to_io->cmdqs, &cmdq_buf); + + return err; +} + +static int clean_qp_offload_ctxt(struct hinic_func_to_io *func_to_io) +{ + /* clean LRO/TSO context space */ + return (clean_queue_offload_ctxt(func_to_io, HINIC_QP_CTXT_TYPE_SQ) || + clean_queue_offload_ctxt(func_to_io, HINIC_QP_CTXT_TYPE_RQ)); +} + /** * init_qp - Initialize a Queue Pair * @func_to_io: func to io channel that holds the IO components @@ -381,6 +433,12 @@ int hinic_io_create_qps(struct hinic_func_to_io *func_to_io, goto err_write_qp_ctxts; } + err = clean_qp_offload_ctxt(func_to_io); + if (err) { + dev_err(&pdev->dev, "Failed to clean qp offload ctxts\n"); + goto err_write_qp_ctxts; + } + return 0; err_write_qp_ctxts: diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_qp_ctxt.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp_ctxt.h index 376abf00762b..01c41dd705cb 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_qp_ctxt.h +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp_ctxt.h @@ -201,6 +201,11 @@ struct hinic_rq_ctxt { u32 wq_block_lo_pfn; }; +struct hinic_clean_queue_ctxt { + struct hinic_qp_ctxt_header cmdq_hdr; + u32 ctxt_size; +}; + struct hinic_sq_ctxt_block { struct hinic_qp_ctxt_header hdr; struct hinic_sq_ctxt sq_ctxt[HINIC_Q_CTXT_MAX]; diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_wqe.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_wqe.h index 138941527872..ef852b7b57a3 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_wqe.h +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_wqe.h @@ -219,6 +219,26 @@ #define HINIC_MSS_DEFAULT 0x3E00 #define HINIC_MSS_MIN 0x50 +#define RQ_CQE_STATUS_NUM_LRO_SHIFT 16 +#define RQ_CQE_STATUS_NUM_LRO_MASK 0xFFU + +#define RQ_CQE_STATUS_GET(val, member) (((val) >> \ + RQ_CQE_STATUS_##member##_SHIFT) & \ + RQ_CQE_STATUS_##member##_MASK) + +#define HINIC_GET_RX_NUM_LRO(status) \ + RQ_CQE_STATUS_GET(status, NUM_LRO) + +#define RQ_CQE_OFFOLAD_TYPE_PKT_TYPE_SHIFT 0 +#define RQ_CQE_OFFOLAD_TYPE_PKT_TYPE_MASK 0xFFFU + +#define RQ_CQE_OFFOLAD_TYPE_GET(val, member) (((val) >> \ + RQ_CQE_OFFOLAD_TYPE_##member##_SHIFT) & \ + RQ_CQE_OFFOLAD_TYPE_##member##_MASK) + +#define HINIC_GET_RX_PKT_TYPE(offload_type) \ + RQ_CQE_OFFOLAD_TYPE_GET(offload_type, PKT_TYPE) + enum hinic_l4offload_type { HINIC_L4_OFF_DISABLE = 0, HINIC_TCP_OFFLOAD_ENABLE = 1, @@ -372,7 +392,7 @@ struct hinic_rq_cqe { u32 status; u32 len; - u32 rsvd2; + u32 offload_type; u32 rsvd3; u32 rsvd4; u32 rsvd5; diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c index cfd3f4232cac..175fe53daa9f 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_main.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c @@ -372,6 +372,35 @@ static void free_rxqs(struct hinic_dev *nic_dev) nic_dev->rxqs = NULL; } +int hinic_rx_configure(struct net_device *netdev) +{ + struct hinic_dev *nic_dev = netdev_priv(netdev); + int err; + + err = hinic_set_max_qnum(nic_dev, nic_dev->hwdev->nic_cap.max_qps); + if (err) { + netif_err(nic_dev, drv, nic_dev->netdev, + "Failed - hinic rx configure\n"); + return err; + } + + return 0; +} + +static int hinic_configure(struct hinic_dev *nic_dev) +{ + struct net_device *netdev = nic_dev->netdev; + int err; + + err = hinic_rx_configure(netdev); + if (err) { + netif_err(nic_dev, drv, netdev, "Failed to configure rx\n"); + return err; + } + + return 0; +} + static int hinic_open(struct net_device *netdev) { struct hinic_dev *nic_dev = netdev_priv(netdev); @@ -401,6 +430,13 @@ static int hinic_open(struct net_device *netdev) goto err_create_rxqs; } + err = hinic_configure(nic_dev); + if (err) { + netif_err(nic_dev, drv, netdev, + "Failed to hinic configure\n"); + goto err_port_state; + } + num_qps = hinic_hwdev_num_qps(nic_dev->hwdev); netif_set_real_num_tx_queues(netdev, num_qps); netif_set_real_num_rx_queues(netdev, num_qps); @@ -805,7 +841,7 @@ static void netdev_features_init(struct net_device *netdev) { netdev->hw_features = NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6 | - NETIF_F_RXCSUM; + NETIF_F_RXCSUM | NETIF_F_LRO; netdev->vlan_features = netdev->hw_features; @@ -869,6 +905,8 @@ static int set_features(struct hinic_dev *nic_dev, { netdev_features_t changed = force_change ? ~0 : pre_features ^ features; u32 csum_en = HINIC_RX_CSUM_OFFLOAD_EN; + u32 lro_buf_size = 0; + u32 lro_timer = 0; int err = 0; if (changed & NETIF_F_TSO) @@ -878,6 +916,17 @@ static int set_features(struct hinic_dev *nic_dev, if (changed & NETIF_F_RXCSUM) err = hinic_set_rx_csum_offload(nic_dev, csum_en); + if (changed & NETIF_F_LRO) { + lro_timer = HINIC_LRO_RX_TIMER_DEFAULT; + lro_buf_size = HINIC_LRO_MAX_WQE_NUM_DEFAULT * HINIC_RX_BUF_SZ; + + err = hinic_set_rx_lro_state(nic_dev, + !!(features & NETIF_F_LRO), + lro_timer, + lro_buf_size / + HINIC_RX_BUF_SZ); + } + return err; } diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.c b/drivers/net/ethernet/huawei/hinic/hinic_port.c index 122c93597268..c1947b2f4462 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_port.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_port.c @@ -439,3 +439,117 @@ int hinic_set_rx_csum_offload(struct hinic_dev *nic_dev, u32 en) return 0; } + +int hinic_set_max_qnum(struct hinic_dev *nic_dev, u8 num_rqs) +{ + struct hinic_hwdev *hwdev = nic_dev->hwdev; + struct hinic_hwif *hwif = hwdev->hwif; + struct pci_dev *pdev = hwif->pdev; + struct hinic_rq_num rq_num = {0}; + u16 out_size = sizeof(rq_num); + int err; + + rq_num.func_id = HINIC_HWIF_FUNC_IDX(hwif); + rq_num.num_rqs = num_rqs; + rq_num.rq_depth = ilog2(HINIC_SQ_DEPTH); + + err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_RQ_IQ_MAP, + &rq_num, sizeof(rq_num), + &rq_num, &out_size); + if (err || !out_size || rq_num.status) { + dev_err(&pdev->dev, + "Failed to rxq number, ret = %d\n", + rq_num.status); + return -EINVAL; + } + + return 0; +} + +int hinic_set_rx_lro(struct hinic_dev *nic_dev, u8 ipv4_en, u8 ipv6_en, + u8 max_wqe_num) +{ + struct hinic_hwdev *hwdev = nic_dev->hwdev; + struct hinic_hwif *hwif = hwdev->hwif; + struct hinic_lro_config lro_cfg = {0}; + struct pci_dev *pdev = hwif->pdev; + u16 out_size = sizeof(lro_cfg); + int err; + + lro_cfg.func_id = HINIC_HWIF_FUNC_IDX(hwif); + lro_cfg.lro_ipv4_en = ipv4_en; + lro_cfg.lro_ipv6_en = ipv6_en; + lro_cfg.lro_max_wqe_num = max_wqe_num; + + err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_LRO, + &lro_cfg, sizeof(lro_cfg), + &lro_cfg, &out_size); + if (err || !out_size || lro_cfg.status) { + dev_err(&pdev->dev, + "Failed to set lro offload, ret = %d\n", + lro_cfg.status); + return -EINVAL; + } + + return 0; +} + +int hinic_set_rx_lro_timer(struct hinic_dev *nic_dev, u32 timer_value) +{ + struct hinic_hwdev *hwdev = nic_dev->hwdev; + struct hinic_lro_timer lro_timer = {0}; + struct hinic_hwif *hwif = hwdev->hwif; + struct pci_dev *pdev = hwif->pdev; + u16 out_size = sizeof(lro_timer); + int err; + + lro_timer.status = 0; + lro_timer.type = 0; + lro_timer.enable = 1; + lro_timer.timer = timer_value; + + err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_LRO_TIMER, + &lro_timer, sizeof(lro_timer), + &lro_timer, &out_size); + if (lro_timer.status == 0xFF) { + /* For this case, we think status (0xFF) is OK */ + lro_timer.status = 0; + dev_err(&pdev->dev, + "Set lro timer not supported by the current FW version, it will be 1ms default\n"); + } + + if (err || !out_size || lro_timer.status) { + dev_err(&pdev->dev, + "Failed to set lro timer, ret = %d\n", + lro_timer.status); + + return -EINVAL; + } + + return 0; +} + +int hinic_set_rx_lro_state(struct hinic_dev *nic_dev, u8 lro_en, + u32 lro_timer, u32 wqe_num) +{ + struct hinic_hwdev *hwdev = nic_dev->hwdev; + u8 ipv4_en = 0; + u8 ipv6_en = 0; + int err; + + if (!hwdev) + return -EINVAL; + + ipv4_en = lro_en ? 1 : 0; + ipv6_en = lro_en ? 1 : 0; + + err = hinic_set_rx_lro(nic_dev, ipv4_en, ipv6_en, (u8)wqe_num); + if (err) + return err; + + err = hinic_set_rx_lro_timer(nic_dev, lro_timer); + if (err) + return err; + + return 0; +} diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.h b/drivers/net/ethernet/huawei/hinic/hinic_port.h index 02d896eed455..94e3f9bbd688 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_port.h +++ b/drivers/net/ethernet/huawei/hinic/hinic_port.h @@ -22,6 +22,10 @@ #include "hinic_dev.h" +#define HINIC_LRO_MAX_WQE_NUM_DEFAULT 8 + +#define HINIC_LRO_RX_TIMER_DEFAULT 16 + enum hinic_rx_mode { HINIC_RX_MODE_UC = BIT(0), HINIC_RX_MODE_MC = BIT(1), @@ -192,6 +196,42 @@ struct hinic_checksum_offload { u16 rsvd1; u32 rx_csum_offload; }; + +struct hinic_rq_num { + u8 status; + u8 version; + u8 rsvd0[6]; + + u16 func_id; + u16 rsvd1[33]; + u32 num_rqs; + u32 rq_depth; +}; + +struct hinic_lro_config { + u8 status; + u8 version; + u8 rsvd0[6]; + + u16 func_id; + u16 rsvd1; + u8 lro_ipv4_en; + u8 lro_ipv6_en; + u8 lro_max_wqe_num; + u8 resv2[13]; +}; + +struct hinic_lro_timer { + u8 status; + u8 version; + u8 rsvd0[6]; + + u8 type; /* 0: set timer value, 1: get timer value */ + u8 enable; /* when set lro time, enable should be 1 */ + u16 rsvd1; + u32 timer; +}; + int hinic_port_add_mac(struct hinic_dev *nic_dev, const u8 *addr, u16 vlan_id); @@ -220,7 +260,12 @@ int hinic_port_set_func_state(struct hinic_dev *nic_dev, int hinic_port_get_cap(struct hinic_dev *nic_dev, struct hinic_port_cap *port_cap); +int hinic_set_max_qnum(struct hinic_dev *nic_dev, u8 num_rqs); + int hinic_port_set_tso(struct hinic_dev *nic_dev, enum hinic_tso_state state); int hinic_set_rx_csum_offload(struct hinic_dev *nic_dev, u32 en); + +int hinic_set_rx_lro_state(struct hinic_dev *nic_dev, u8 lro_en, + u32 lro_timer, u32 wqe_num); #endif diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.c b/drivers/net/ethernet/huawei/hinic/hinic_rx.c index b6d218768ec1..04c887d13848 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_rx.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.c @@ -45,6 +45,15 @@ #define RX_IRQ_NO_RESEND_TIMER 0 #define HINIC_RX_BUFFER_WRITE 16 +#define HINIC_RX_IPV6_PKT 7 +#define LRO_PKT_HDR_LEN_IPV4 66 +#define LRO_PKT_HDR_LEN_IPV6 86 +#define LRO_REPLENISH_THLD 256 + +#define LRO_PKT_HDR_LEN(cqe) \ + (HINIC_GET_RX_PKT_TYPE(be32_to_cpu((cqe)->offload_type)) == \ + HINIC_RX_IPV6_PKT ? LRO_PKT_HDR_LEN_IPV6 : LRO_PKT_HDR_LEN_IPV4) + /** * hinic_rxq_clean_stats - Clean the statistics of specific queue * @rxq: Logical Rx Queue @@ -90,18 +99,12 @@ static void rxq_stats_init(struct hinic_rxq *rxq) hinic_rxq_clean_stats(rxq); } -static void rx_csum(struct hinic_rxq *rxq, u16 cons_idx, +static void rx_csum(struct hinic_rxq *rxq, u32 status, struct sk_buff *skb) { struct net_device *netdev = rxq->netdev; - struct hinic_rq_cqe *cqe; - struct hinic_rq *rq; u32 csum_err; - u32 status; - rq = rxq->rq; - cqe = rq->cqe[cons_idx]; - status = be32_to_cpu(cqe->status); csum_err = HINIC_RQ_CQE_STATUS_GET(status, CSUM_ERR); if (!(netdev->features & NETIF_F_RXCSUM)) @@ -321,12 +324,16 @@ static int rxq_recv(struct hinic_rxq *rxq, int budget) { struct hinic_qp *qp = container_of(rxq->rq, struct hinic_qp, rq); u64 pkt_len = 0, rx_bytes = 0; + struct hinic_rq *rq = rxq->rq; struct hinic_rq_wqe *rq_wqe; unsigned int free_wqebbs; + struct hinic_rq_cqe *cqe; int num_wqes, pkts = 0; struct hinic_sge sge; + unsigned int status; struct sk_buff *skb; - u16 ci; + u16 ci, num_lro; + u16 num_wqe = 0; while (pkts < budget) { num_wqes = 0; @@ -336,11 +343,13 @@ static int rxq_recv(struct hinic_rxq *rxq, int budget) if (!rq_wqe) break; + cqe = rq->cqe[ci]; + status = be32_to_cpu(cqe->status); hinic_rq_get_sge(rxq->rq, rq_wqe, ci, &sge); rx_unmap_skb(rxq, hinic_sge_to_dma(&sge)); - rx_csum(rxq, ci, skb); + rx_csum(rxq, status, skb); prefetch(skb->data); @@ -354,7 +363,7 @@ static int rxq_recv(struct hinic_rxq *rxq, int budget) HINIC_RX_BUF_SZ, ci); } - hinic_rq_put_wqe(rxq->rq, ci, + hinic_rq_put_wqe(rq, ci, (num_wqes + 1) * HINIC_RQ_WQE_SIZE); skb_record_rx_queue(skb, qp->q_id); @@ -364,6 +373,21 @@ static int rxq_recv(struct hinic_rxq *rxq, int budget) pkts++; rx_bytes += pkt_len; + + num_lro = HINIC_GET_RX_NUM_LRO(status); + if (num_lro) { + rx_bytes += ((num_lro - 1) * + LRO_PKT_HDR_LEN(cqe)); + + num_wqe += + (u16)(pkt_len >> rxq->rx_buff_shift) + + ((pkt_len & (rxq->buf_len - 1)) ? 1 : 0); + } + + cqe->status = 0; + + if (num_wqe >= LRO_REPLENISH_THLD) + break; } free_wqebbs = hinic_get_rq_free_wqebbs(rxq->rq); @@ -482,6 +506,8 @@ int hinic_init_rxq(struct hinic_rxq *rxq, struct hinic_rq *rq, rxq->netdev = netdev; rxq->rq = rq; + rxq->buf_len = HINIC_RX_BUF_SZ; + rxq->rx_buff_shift = ilog2(HINIC_RX_BUF_SZ); rxq_stats_init(rxq); diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.h b/drivers/net/ethernet/huawei/hinic/hinic_rx.h index f8ed3fa6c8ee..08e7d88382cd 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_rx.h +++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.h @@ -41,6 +41,8 @@ struct hinic_rxq { struct hinic_rxq_stats rxq_stats; char *irq_name; + u16 buf_len; + u32 rx_buff_shift; struct napi_struct napi; };