From patchwork Tue Nov 8 20:41:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Veerasenareddy Burru X-Patchwork-Id: 13036842 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91433C433FE for ; Tue, 8 Nov 2022 20:43:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229990AbiKHUnf (ORCPT ); Tue, 8 Nov 2022 15:43:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229700AbiKHUnb (ORCPT ); Tue, 8 Nov 2022 15:43:31 -0500 Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9559667133; Tue, 8 Nov 2022 12:43:05 -0800 (PST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2A8H0dR6008692; Tue, 8 Nov 2022 12:42:59 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=/OBQ5oCYUvTgf3RuyOtaODsXG86Y8XgO1poF4NRLeXI=; b=eS9M9picCwgqrXAN0ytb02NGWPSoqRy647knqfCQ4q5Q/W4YpWCla2k4xF3JZIOcdBXO HQma3QCScWXgaZVajm2oS50hjBvrO+iU78HZUCn9FrD/iAecu5+1VL+oq77wtWlGmu/K RKWGdul5zciABNsoiOnkgme7l3ALf4OQMrQ//fNz4dmG63w6x4Y3Mu+UuoxL/ijWg4ra nAvw5UsQbaPB7AV1QXpz59dgxdLIjxdIde0BG7sVCeJ4QrStT/fra9bclok/yVSKrzpH qHYPUgsvfvMabyMTCC8RpgB3gf+xiHIPX7l7u6Y+37XigBJwSP5E4xNLLM9nmhMWl2eE Hw== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 3kqu4vh07m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 08 Nov 2022 12:42:59 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Tue, 8 Nov 2022 12:42:58 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 8 Nov 2022 12:42:58 -0800 Received: from sburla-PowerEdge-T630.caveonetworks.com (unknown [10.106.27.217]) by maili.marvell.com (Postfix) with ESMTP id 9515C3F710D; Tue, 8 Nov 2022 12:42:57 -0800 (PST) From: Veerasenareddy Burru To: , , , , , CC: , Veerasenareddy Burru , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Jonathan Corbet" , Lorenzo Bianconi Subject: [PATCH net-next 3/8] octeon_ep_vf: add VF-PF mailbox communication. Date: Tue, 8 Nov 2022 12:41:54 -0800 Message-ID: <20221108204209.23071-4-vburru@marvell.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20221108204209.23071-1-vburru@marvell.com> References: <20221108204209.23071-1-vburru@marvell.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: dIgBsC4bX8tuFkkxVaFORZrQiuX-GtU1 X-Proofpoint-GUID: dIgBsC4bX8tuFkkxVaFORZrQiuX-GtU1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-07_11,2022-11-08_01,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Implement VF-PF mailbox to send all control commands from VF to PF and receive responses and notifications from PF to VF. Signed-off-by: Veerasenareddy Burru Signed-off-by: Sathesh Edara Signed-off-by: Satananda Burla --- .../marvell/octeon_ep_vf/octep_vf_main.c | 13 + .../marvell/octeon_ep_vf/octep_vf_main.h | 1 + .../marvell/octeon_ep_vf/octep_vf_mbox.c | 290 +++++++++++++++++- .../marvell/octeon_ep_vf/octep_vf_mbox.h | 118 +++++++ 4 files changed, 421 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c index 0fc493bd0b02..9d1fc867bf5d 100644 --- a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c +++ b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c @@ -183,6 +183,19 @@ static netdev_tx_t octep_vf_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; } +int octep_vf_get_link_info(struct octep_vf_device *oct) +{ + int ret, size; + + ret = octep_vf_mbox_bulk_read(oct, OCTEP_PFVF_MBOX_CMD_GET_LINK_INFO, + (u8 *)&oct->link_info, &size); + if (ret) { + dev_err(&oct->pdev->dev, "Get VF link info failed via VF Mbox\n"); + return ret; + } + return 0; +} + /** * octep_vf_tx_timeout_task - work queue task to Handle Tx queue timeout. * diff --git a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.h b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.h index 53e34c1a3b7b..7d0c18aa6f4d 100644 --- a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.h +++ b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.h @@ -298,6 +298,7 @@ void octep_vf_oq_dbell_init(struct octep_vf_device *oct); void octep_vf_device_setup_cn93(struct octep_vf_device *oct); int octep_vf_iq_process_completions(struct octep_vf_iq *iq, u16 budget); int octep_vf_oq_process_rx(struct octep_vf_oq *oq, int budget); +int octep_vf_get_link_info(struct octep_vf_device *oct); int octep_vf_get_if_stats(struct octep_vf_device *oct); void octep_vf_mbox_work(struct work_struct *work); #endif /* _OCTEP_VF_MAIN_H_ */ diff --git a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_mbox.c b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_mbox.c index d44340fd9d56..931dadc14be2 100644 --- a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_mbox.c +++ b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_mbox.c @@ -41,29 +41,317 @@ void octep_vf_delete_mbox(struct octep_vf_device *oct) int octep_vf_mbox_version_check(struct octep_vf_device *oct) { - return 0; + union octep_pfvf_mbox_word cmd; + union octep_pfvf_mbox_word rsp; + int ret; + + cmd.u64 = 0; + cmd.s_version.opcode = OCTEP_PFVF_MBOX_CMD_VERSION; + cmd.s_version.version = OCTEP_VF_MBOX_VERSION; + ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp); + if (!ret) + return 0; + if (ret == OCTEP_PFVF_MBOX_CMD_STATUS_NACK) { + dev_err(&oct->pdev->dev, + "VF Mbox version:%llu is not compatible with PF\n", + (u64)cmd.s_version.version); + dev_err(&oct->pdev->dev, "Upgrade driver to compatibale version\n"); + } + return ret; } void octep_vf_mbox_work(struct work_struct *work) { + struct octep_vf_mbox_wk *wk = container_of(work, struct octep_vf_mbox_wk, work); + struct octep_vf_iface_link_info *link_info; + struct octep_vf_device *oct = NULL; + struct octep_vf_mbox *mbox = NULL; + u64 pf_vf_data; + + oct = (struct octep_vf_device *)wk->ctxptr; + link_info = &oct->link_info; + mbox = oct->mbox; + pf_vf_data = readq(mbox->mbox_read_reg); + if (!(pf_vf_data & OCTEP_PFVF_LINK_STATUS_DOWN)) + link_info->oper_up = OCTEP_PFVF_LINK_STATUS_DOWN; + else if (pf_vf_data & OCTEP_PFVF_LINK_STATUS_UP) + link_info->oper_up = OCTEP_PFVF_LINK_STATUS_UP; +} + +inline void octep_vf_mbox_set_state(struct octep_vf_mbox *mbox, enum octep_pfvf_mbox_state state) +{ + unsigned long flags; + + spin_lock_irqsave(&mbox->lock, flags); + mbox->state = state; + spin_unlock_irqrestore(&mbox->lock, flags); +} + +static enum octep_pfvf_mbox_state octep_vf_mbox_get_state(struct octep_vf_mbox *mbox) +{ + enum octep_pfvf_mbox_state state; + unsigned long flags; + + spin_lock_irqsave(&mbox->lock, flags); + state = mbox->state; + spin_unlock_irqrestore(&mbox->lock, flags); + return state; +} + +static int __octep_vf_mbox_send_cmd(struct octep_vf_device *oct, + union octep_pfvf_mbox_word cmd, + union octep_pfvf_mbox_word *rsp) +{ + long timeout = OCTEP_PFVF_MBOX_WRITE_WAIT_TIME; + struct octep_vf_mbox *mbox = oct->mbox; + u64 reg_val = 0ull; + int count; + + if (!mbox) + return OCTEP_PFVF_MBOX_CMD_STATUS_NOT_SETUP; + + cmd.s.type = OCTEP_PFVF_MBOX_TYPE_CMD; + writeq(cmd.u64, mbox->mbox_write_reg); + for (count = 0; count < OCTEP_PFVF_MBOX_TIMEOUT_MS; count++) { + schedule_timeout_uninterruptible(timeout); + reg_val = readq(mbox->mbox_write_reg); + if (reg_val != cmd.u64) { + rsp->u64 = reg_val; + break; + } + } + if (count == OCTEP_PFVF_MBOX_TIMEOUT_MS) { + dev_err(&oct->pdev->dev, "mbox send command timed out\n"); + return OCTEP_PFVF_MBOX_CMD_STATUS_TIMEDOUT; + } + if (rsp->s.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) { + dev_err(&oct->pdev->dev, "mbox_send: Received NACK\n"); + return OCTEP_PFVF_MBOX_CMD_STATUS_NACK; + } + rsp->u64 = reg_val; + return 0; +} + +int octep_vf_mbox_send_cmd(struct octep_vf_device *oct, union octep_pfvf_mbox_word cmd, + union octep_pfvf_mbox_word *rsp) +{ + struct octep_vf_mbox *mbox = oct->mbox; + int ret; + + if (!mbox) + return OCTEP_PFVF_MBOX_CMD_STATUS_NOT_SETUP; + if (octep_vf_mbox_get_state(mbox) == OCTEP_PFVF_MBOX_STATE_BUSY) + return OCTEP_PFVF_MBOX_CMD_STATUS_BUSY; + + octep_vf_mbox_set_state(mbox, OCTEP_PFVF_MBOX_STATE_BUSY); + ret = __octep_vf_mbox_send_cmd(oct, cmd, rsp); + octep_vf_mbox_set_state(mbox, OCTEP_PFVF_MBOX_STATE_IDLE); + return ret; +} + +int octep_vf_mbox_bulk_read(struct octep_vf_device *oct, enum octep_pfvf_mbox_opcode opcode, + u8 *data, int *size) +{ + struct octep_vf_mbox *mbox = oct->mbox; + union octep_pfvf_mbox_word cmd; + union octep_pfvf_mbox_word rsp; + int data_len = 0, tmp_len = 0; + int read_cnt, i = 0, ret; + + if (!mbox) + return OCTEP_PFVF_MBOX_CMD_STATUS_NOT_SETUP; + + if (octep_vf_mbox_get_state(mbox) == OCTEP_PFVF_MBOX_STATE_BUSY) + return OCTEP_PFVF_MBOX_CMD_STATUS_BUSY; + + octep_vf_mbox_set_state(mbox, OCTEP_PFVF_MBOX_STATE_BUSY); + cmd.u64 = 0; + cmd.s_data.opcode = opcode; + cmd.s_data.frag = 0; + /* Send cmd to read data from PF */ + ret = __octep_vf_mbox_send_cmd(oct, cmd, &rsp); + if (ret) { + dev_err(&oct->pdev->dev, "send mbox cmd fail for data request\n"); + octep_vf_mbox_set_state(mbox, OCTEP_PFVF_MBOX_STATE_IDLE); + return ret; + } + /* PF sends the data length of requested CMD + * in ACK + */ + data_len = *((int32_t *)rsp.s_data.data); + tmp_len = data_len; + cmd.u64 = 0; + rsp.u64 = 0; + cmd.s_data.opcode = opcode; + cmd.s_data.frag = 1; + while (data_len) { + ret = __octep_vf_mbox_send_cmd(oct, cmd, &rsp); + if (ret) { + dev_err(&oct->pdev->dev, "send mbox cmd fail for data request\n"); + octep_vf_mbox_set_state(mbox, OCTEP_PFVF_MBOX_STATE_IDLE); + mbox->mbox_data.data_index = 0; + memset(mbox->mbox_data.recv_data, 0, OCTEP_PFVF_MBOX_MAX_DATA_BUF_SIZE); + return ret; + } + if (data_len > OCTEP_PFVF_MBOX_MAX_DATA_SIZE) { + data_len -= OCTEP_PFVF_MBOX_MAX_DATA_SIZE; + read_cnt = OCTEP_PFVF_MBOX_MAX_DATA_SIZE; + } else { + read_cnt = data_len; + data_len = 0; + } + for (i = 0; i < read_cnt; i++) { + mbox->mbox_data.recv_data[mbox->mbox_data.data_index] = + rsp.s_data.data[i]; + mbox->mbox_data.data_index++; + } + cmd.u64 = 0; + rsp.u64 = 0; + cmd.s_data.opcode = opcode; + cmd.s_data.frag = 1; + } + memcpy(data, mbox->mbox_data.recv_data, tmp_len); + *size = tmp_len; + mbox->mbox_data.data_index = 0; + memset(mbox->mbox_data.recv_data, 0, OCTEP_PFVF_MBOX_MAX_DATA_BUF_SIZE); + octep_vf_mbox_set_state(mbox, OCTEP_PFVF_MBOX_STATE_IDLE); + return 0; +} + +int octep_vf_mbox_set_mtu(struct octep_vf_device *oct, int mtu) +{ + int frame_size = mtu + ETH_HLEN + ETH_FCS_LEN; + union octep_pfvf_mbox_word cmd; + union octep_pfvf_mbox_word rsp; + int ret = 0; + + if (mtu < ETH_MIN_MTU || frame_size > ETH_MAX_MTU) { + dev_err(&oct->pdev->dev, + "Failed to set MTU to %d MIN MTU:%d MAX MTU:%d\n", + mtu, ETH_MIN_MTU, ETH_MAX_MTU); + return -EINVAL; + } + + cmd.u64 = 0; + cmd.s_set_mtu.opcode = OCTEP_PFVF_MBOX_CMD_SET_MTU; + cmd.s_set_mtu.mtu = mtu; + + ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp); + if (ret) { + dev_err(&oct->pdev->dev, "Mbox send failed; err=%d\n", ret); + return ret; + } + if (rsp.s_set_mtu.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) { + dev_err(&oct->pdev->dev, "Received Mbox NACK from PF for MTU:%d\n", mtu); + return -EINVAL; + } + + return 0; +} + +int octep_vf_mbox_set_mac_addr(struct octep_vf_device *oct, char *mac_addr) +{ + union octep_pfvf_mbox_word cmd; + union octep_pfvf_mbox_word rsp; + int i, ret; + + cmd.u64 = 0; + cmd.s_set_mac.opcode = OCTEP_PFVF_MBOX_CMD_SET_MAC_ADDR; + for (i = 0; i < ETH_ALEN; i++) + cmd.s_set_mac.mac_addr[i] = mac_addr[i]; + ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp); + if (ret) { + dev_err(&oct->pdev->dev, "Mbox send failed; err = %d\n", ret); + return ret; + } + if (rsp.s_set_mac.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) { + dev_err(&oct->pdev->dev, "received NACK\n"); + return -EINVAL; + } + return 0; } int octep_vf_mbox_get_mac_addr(struct octep_vf_device *oct, char *mac_addr) { + union octep_pfvf_mbox_word cmd; + union octep_pfvf_mbox_word rsp; + int i, ret; + + cmd.u64 = 0; + cmd.s_set_mac.opcode = OCTEP_PFVF_MBOX_CMD_GET_MAC_ADDR; + ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp); + if (ret) { + dev_err(&oct->pdev->dev, "get_mac: mbox send failed; err = %d\n", ret); + return ret; + } + if (rsp.s_set_mac.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) { + dev_err(&oct->pdev->dev, "get_mac: received NACK\n"); + return -EINVAL; + } + for (i = 0; i < ETH_ALEN; i++) + mac_addr[i] = rsp.s_set_mac.mac_addr[i]; return 0; } int octep_vf_mbox_set_rx_state(struct octep_vf_device *oct, bool state) { + union octep_pfvf_mbox_word cmd; + union octep_pfvf_mbox_word rsp; + int ret; + + cmd.u64 = 0; + cmd.s_link_state.opcode = OCTEP_PFVF_MBOX_CMD_SET_RX_STATE; + cmd.s_link_state.state = state; + ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp); + if (ret) { + dev_err(&oct->pdev->dev, "Set Rx state via VF Mbox send failed\n"); + return ret; + } + if (rsp.s_link_state.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) { + dev_err(&oct->pdev->dev, "Set Rx state received NACK\n"); + return -EINVAL; + } return 0; } int octep_vf_mbox_set_link_status(struct octep_vf_device *oct, bool status) { + union octep_pfvf_mbox_word cmd; + union octep_pfvf_mbox_word rsp; + int ret; + + cmd.u64 = 0; + cmd.s_link_status.opcode = OCTEP_PFVF_MBOX_CMD_SET_LINK_STATUS; + cmd.s_link_status.status = status; + ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp); + if (ret) { + dev_err(&oct->pdev->dev, "Set link status via VF Mbox send failed\n"); + return ret; + } + if (rsp.s_link_status.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) { + dev_err(&oct->pdev->dev, "Set link status received NACK\n"); + return -EINVAL; + } return 0; } int octep_vf_mbox_get_link_status(struct octep_vf_device *oct, u8 *oper_up) { + union octep_pfvf_mbox_word cmd; + union octep_pfvf_mbox_word rsp; + int ret; + + cmd.u64 = 0; + cmd.s_link_status.opcode = OCTEP_PFVF_MBOX_CMD_GET_LINK_STATUS; + ret = octep_vf_mbox_send_cmd(oct, cmd, &rsp); + if (ret) { + dev_err(&oct->pdev->dev, "Get link status via VF Mbox send failed\n"); + return ret; + } + if (rsp.s_link_status.type != OCTEP_PFVF_MBOX_TYPE_RSP_ACK) { + dev_err(&oct->pdev->dev, "Get link status received NACK\n"); + return -EINVAL; + } + *oper_up = rsp.s_link_status.status; return 0; } diff --git a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_mbox.h b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_mbox.h index f7a3c03a72e4..d3b975216fcd 100644 --- a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_mbox.h +++ b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_mbox.h @@ -7,10 +7,128 @@ #ifndef _OCTEP_VF_MBOX_H_ #define _OCTEP_VF_MBOX_H_ +#define OCTEP_VF_MBOX_VERSION 0 + +enum octep_pfvf_mbox_opcode { + OCTEP_PFVF_MBOX_CMD_VERSION, + OCTEP_PFVF_MBOX_CMD_SET_MTU, + OCTEP_PFVF_MBOX_CMD_SET_MAC_ADDR, + OCTEP_PFVF_MBOX_CMD_GET_MAC_ADDR, + OCTEP_PFVF_MBOX_CMD_GET_LINK_INFO, + OCTEP_PFVF_MBOX_CMD_GET_STATS, + OCTEP_PFVF_MBOX_CMD_SET_RX_STATE, + OCTEP_PFVF_MBOX_CMD_SET_LINK_STATUS, + OCTEP_PFVF_MBOX_CMD_GET_LINK_STATUS, + OCTEP_PFVF_MBOX_CMD_LAST, +}; + +enum octep_pfvf_mbox_word_type { + OCTEP_PFVF_MBOX_TYPE_CMD, + OCTEP_PFVF_MBOX_TYPE_RSP_ACK, + OCTEP_PFVF_MBOX_TYPE_RSP_NACK, +}; + +enum octep_pfvf_mbox_cmd_status { + OCTEP_PFVF_MBOX_CMD_STATUS_NOT_SETUP = 1, + OCTEP_PFVF_MBOX_CMD_STATUS_TIMEDOUT = 2, + OCTEP_PFVF_MBOX_CMD_STATUS_NACK = 3, + OCTEP_PFVF_MBOX_CMD_STATUS_BUSY = 4 +}; + +enum octep_pfvf_mbox_state { + OCTEP_PFVF_MBOX_STATE_IDLE = 0, + OCTEP_PFVF_MBOX_STATE_BUSY = 1, +}; + +enum octep_pfvf_link_status { + OCTEP_PFVF_LINK_STATUS_DOWN, + OCTEP_PFVF_LINK_STATUS_UP, +}; + +enum octep_pfvf_link_speed { + OCTEP_PFVF_LINK_SPEED_NONE, + OCTEP_PFVF_LINK_SPEED_1000, + OCTEP_PFVF_LINK_SPEED_10000, + OCTEP_PFVF_LINK_SPEED_25000, + OCTEP_PFVF_LINK_SPEED_40000, + OCTEP_PFVF_LINK_SPEED_50000, + OCTEP_PFVF_LINK_SPEED_100000, + OCTEP_PFVF_LINK_SPEED_LAST, +}; + +enum octep_pfvf_link_duplex { + OCTEP_PFVF_LINK_HALF_DUPLEX, + OCTEP_PFVF_LINK_FULL_DUPLEX, +}; + +enum octep_pfvf_link_autoneg { + OCTEP_PFVF_LINK_AUTONEG, + OCTEP_PFVF_LINK_FIXED, +}; + +#define OCTEP_PFVF_MBOX_TIMEOUT_MS 500 +#define OCTEP_PFVF_MBOX_MAX_RETRIES 2 +#define OCTEP_PFVF_MBOX_VERSION 0 +#define OCTEP_PFVF_MBOX_MAX_DATA_SIZE 6 #define OCTEP_PFVF_MBOX_MAX_DATA_BUF_SIZE 256 +#define OCTEP_PFVF_MBOX_MORE_FRAG_FLAG 1 +#define OCTEP_PFVF_MBOX_WRITE_WAIT_TIME msecs_to_jiffies(1) + +union octep_pfvf_mbox_word { + u64 u64; + struct { + u64 opcode:8; + u64 type:2; + u64 rsvd:6; + u64 data:48; + } s; + struct { + u64 opcode:8; + u64 type:2; + u64 frag:1; + u64 rsvd:5; + u8 data[6]; + } s_data; + struct { + u64 opcode:8; + u64 type:2; + u64 rsvd:6; + u64 version:48; + } s_version; + struct { + u64 opcode:8; + u64 type:2; + u64 rsvd:6; + u8 mac_addr[6]; + } s_set_mac; + struct { + u64 opcode:8; + u64 type:2; + u64 rsvd:6; + u64 mtu:48; + } s_set_mtu; + struct { + u64 opcode:8; + u64 type:2; + u64 state:1; + u64 rsvd:53; + } s_link_state; + struct { + u64 opcode:8; + u64 type:2; + u64 status:1; + u64 rsvd:53; + } s_link_status; +} __packed; int octep_vf_setup_mbox(struct octep_vf_device *oct); void octep_vf_delete_mbox(struct octep_vf_device *oct); +int octep_vf_mbox_send_cmd(struct octep_vf_device *oct, union octep_pfvf_mbox_word cmd, + union octep_pfvf_mbox_word *rsp); +int octep_vf_mbox_bulk_read(struct octep_vf_device *oct, enum octep_pfvf_mbox_opcode opcode, + u8 *data, int *size); +int octep_vf_mbox_set_mtu(struct octep_vf_device *oct, int mtu); +int octep_vf_mbox_set_mac_addr(struct octep_vf_device *oct, char *mac_addr); int octep_vf_mbox_get_mac_addr(struct octep_vf_device *oct, char *mac_addr); int octep_vf_mbox_version_check(struct octep_vf_device *oct); int octep_vf_mbox_set_rx_state(struct octep_vf_device *oct, bool state);