From 071106ecf68c401173c58808b1cf5f68cc50d390 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 05 Jan 2024 08:39:27 +0000
Subject: [PATCH] change wifi driver to cypress

---
 kernel/drivers/net/ethernet/aquantia/atlantic/aq_main.c |  363 +++++++++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 333 insertions(+), 30 deletions(-)

diff --git a/kernel/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/kernel/drivers/net/ethernet/aquantia/atlantic/aq_main.c
index daf841a..1401fc4 100644
--- a/kernel/drivers/net/ethernet/aquantia/atlantic/aq_main.c
+++ b/kernel/drivers/net/ethernet/aquantia/atlantic/aq_main.c
@@ -1,10 +1,8 @@
-/*
- * aQuantia Corporation Network Driver
- * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
+// SPDX-License-Identifier: GPL-2.0-only
+/* Atlantic Network Driver
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
  */
 
 /* File aq_main.c: Main file for aQuantia Linux driver. */
@@ -13,23 +11,37 @@
 #include "aq_nic.h"
 #include "aq_pci_func.h"
 #include "aq_ethtool.h"
+#include "aq_ptp.h"
+#include "aq_filters.h"
+#include "aq_hw_utils.h"
 
 #include <linux/netdevice.h>
 #include <linux/module.h>
+#include <linux/ip.h>
+#include <linux/udp.h>
+#include <net/pkt_cls.h>
 
 MODULE_LICENSE("GPL v2");
-MODULE_VERSION(AQ_CFG_DRV_VERSION);
 MODULE_AUTHOR(AQ_CFG_DRV_AUTHOR);
 MODULE_DESCRIPTION(AQ_CFG_DRV_DESC);
 
+static const char aq_ndev_driver_name[] = AQ_CFG_DRV_NAME;
+
 static const struct net_device_ops aq_ndev_ops;
+
+static struct workqueue_struct *aq_ndev_wq;
+
+void aq_ndev_schedule_work(struct work_struct *work)
+{
+	queue_work(aq_ndev_wq, work);
+}
 
 struct net_device *aq_ndev_alloc(void)
 {
 	struct net_device *ndev = NULL;
 	struct aq_nic_s *aq_nic = NULL;
 
-	ndev = alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_CFG_VECS_MAX);
+	ndev = alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_HW_QUEUES_MAX);
 	if (!ndev)
 		return NULL;
 
@@ -41,14 +53,23 @@
 	return ndev;
 }
 
-static int aq_ndev_open(struct net_device *ndev)
+int aq_ndev_open(struct net_device *ndev)
 {
-	int err = 0;
 	struct aq_nic_s *aq_nic = netdev_priv(ndev);
+	int err = 0;
 
 	err = aq_nic_init(aq_nic);
 	if (err < 0)
 		goto err_exit;
+
+	err = aq_reapply_rxnfc_all_rules(aq_nic);
+	if (err < 0)
+		goto err_exit;
+
+	err = aq_filters_vlans_update(aq_nic);
+	if (err < 0)
+		goto err_exit;
+
 	err = aq_nic_start(aq_nic);
 	if (err < 0) {
 		aq_nic_stop(aq_nic);
@@ -57,35 +78,55 @@
 
 err_exit:
 	if (err < 0)
-		aq_nic_deinit(aq_nic);
+		aq_nic_deinit(aq_nic, true);
+
 	return err;
 }
 
-static int aq_ndev_close(struct net_device *ndev)
+int aq_ndev_close(struct net_device *ndev)
 {
-	int err = 0;
 	struct aq_nic_s *aq_nic = netdev_priv(ndev);
+	int err = 0;
 
 	err = aq_nic_stop(aq_nic);
-	if (err < 0)
-		goto err_exit;
-	aq_nic_deinit(aq_nic);
+	aq_nic_deinit(aq_nic, true);
 
-err_exit:
 	return err;
 }
 
-static int aq_ndev_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t aq_ndev_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 {
 	struct aq_nic_s *aq_nic = netdev_priv(ndev);
 
+#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
+	if (unlikely(aq_utils_obj_test(&aq_nic->flags, AQ_NIC_PTP_DPATH_UP))) {
+		/* Hardware adds the Timestamp for PTPv2 802.AS1
+		 * and PTPv2 IPv4 UDP.
+		 * We have to push even general 320 port messages to the ptp
+		 * queue explicitly. This is a limitation of current firmware
+		 * and hardware PTP design of the chip. Otherwise ptp stream
+		 * will fail to sync
+		 */
+		if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) ||
+		    unlikely((ip_hdr(skb)->version == 4) &&
+			     (ip_hdr(skb)->protocol == IPPROTO_UDP) &&
+			     ((udp_hdr(skb)->dest == htons(319)) ||
+			      (udp_hdr(skb)->dest == htons(320)))) ||
+		    unlikely(eth_hdr(skb)->h_proto == htons(ETH_P_1588)))
+			return aq_ptp_xmit(aq_nic, skb);
+	}
+#endif
+
+	skb_tx_timestamp(skb);
 	return aq_nic_xmit(aq_nic, skb);
 }
 
 static int aq_ndev_change_mtu(struct net_device *ndev, int new_mtu)
 {
 	struct aq_nic_s *aq_nic = netdev_priv(ndev);
-	int err = aq_nic_set_mtu(aq_nic, new_mtu + ETH_HLEN);
+	int err;
+
+	err = aq_nic_set_mtu(aq_nic, new_mtu + ETH_HLEN);
 
 	if (err < 0)
 		goto err_exit;
@@ -98,24 +139,66 @@
 static int aq_ndev_set_features(struct net_device *ndev,
 				netdev_features_t features)
 {
+	bool is_vlan_tx_insert = !!(features & NETIF_F_HW_VLAN_CTAG_TX);
+	bool is_vlan_rx_strip = !!(features & NETIF_F_HW_VLAN_CTAG_RX);
 	struct aq_nic_s *aq_nic = netdev_priv(ndev);
-	struct aq_nic_cfg_s *aq_cfg = aq_nic_get_cfg(aq_nic);
+	bool need_ndev_restart = false;
+	struct aq_nic_cfg_s *aq_cfg;
 	bool is_lro = false;
+	int err = 0;
 
-	if (aq_cfg->hw_features & NETIF_F_LRO) {
+	aq_cfg = aq_nic_get_cfg(aq_nic);
+
+	if (!(features & NETIF_F_NTUPLE)) {
+		if (aq_nic->ndev->features & NETIF_F_NTUPLE) {
+			err = aq_clear_rxnfc_all_rules(aq_nic);
+			if (unlikely(err))
+				goto err_exit;
+		}
+	}
+	if (!(features & NETIF_F_HW_VLAN_CTAG_FILTER)) {
+		if (aq_nic->ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) {
+			err = aq_filters_vlan_offload_off(aq_nic);
+			if (unlikely(err))
+				goto err_exit;
+		}
+	}
+
+	aq_cfg->features = features;
+
+	if (aq_cfg->aq_hw_caps->hw_features & NETIF_F_LRO) {
 		is_lro = features & NETIF_F_LRO;
 
 		if (aq_cfg->is_lro != is_lro) {
 			aq_cfg->is_lro = is_lro;
-
-			if (netif_running(ndev)) {
-				aq_ndev_close(ndev);
-				aq_ndev_open(ndev);
-			}
+			need_ndev_restart = true;
 		}
 	}
 
-	return 0;
+	if ((aq_nic->ndev->features ^ features) & NETIF_F_RXCSUM) {
+		err = aq_nic->aq_hw_ops->hw_set_offload(aq_nic->aq_hw,
+							aq_cfg);
+
+		if (unlikely(err))
+			goto err_exit;
+	}
+
+	if (aq_cfg->is_vlan_rx_strip != is_vlan_rx_strip) {
+		aq_cfg->is_vlan_rx_strip = is_vlan_rx_strip;
+		need_ndev_restart = true;
+	}
+	if (aq_cfg->is_vlan_tx_insert != is_vlan_tx_insert) {
+		aq_cfg->is_vlan_tx_insert = is_vlan_tx_insert;
+		need_ndev_restart = true;
+	}
+
+	if (need_ndev_restart && netif_running(ndev)) {
+		aq_ndev_close(ndev);
+		aq_ndev_open(ndev);
+	}
+
+err_exit:
+	return err;
 }
 
 static int aq_ndev_set_mac_address(struct net_device *ndev, void *addr)
@@ -138,9 +221,193 @@
 {
 	struct aq_nic_s *aq_nic = netdev_priv(ndev);
 
-	aq_nic_set_packet_filter(aq_nic, ndev->flags);
+	(void)aq_nic_set_multicast_list(aq_nic, ndev);
+}
 
-	aq_nic_set_multicast_list(aq_nic, ndev);
+#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
+static int aq_ndev_config_hwtstamp(struct aq_nic_s *aq_nic,
+				   struct hwtstamp_config *config)
+{
+	if (config->flags)
+		return -EINVAL;
+
+	switch (config->tx_type) {
+	case HWTSTAMP_TX_OFF:
+	case HWTSTAMP_TX_ON:
+		break;
+	default:
+		return -ERANGE;
+	}
+
+	switch (config->rx_filter) {
+	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
+	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
+	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
+	case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
+	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
+	case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
+	case HWTSTAMP_FILTER_PTP_V2_SYNC:
+	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
+		config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
+		break;
+	case HWTSTAMP_FILTER_PTP_V2_EVENT:
+	case HWTSTAMP_FILTER_NONE:
+		break;
+	default:
+		return -ERANGE;
+	}
+
+	return aq_ptp_hwtstamp_config_set(aq_nic->aq_ptp, config);
+}
+#endif
+
+static int aq_ndev_hwtstamp_set(struct aq_nic_s *aq_nic, struct ifreq *ifr)
+{
+	struct hwtstamp_config config;
+#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
+	int ret_val;
+#endif
+
+	if (!aq_nic->aq_ptp)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
+		return -EFAULT;
+#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
+	ret_val = aq_ndev_config_hwtstamp(aq_nic, &config);
+	if (ret_val)
+		return ret_val;
+#endif
+
+	return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
+	       -EFAULT : 0;
+}
+
+#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
+static int aq_ndev_hwtstamp_get(struct aq_nic_s *aq_nic, struct ifreq *ifr)
+{
+	struct hwtstamp_config config;
+
+	if (!aq_nic->aq_ptp)
+		return -EOPNOTSUPP;
+
+	aq_ptp_hwtstamp_config_get(aq_nic->aq_ptp, &config);
+	return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
+	       -EFAULT : 0;
+}
+#endif
+
+static int aq_ndev_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+{
+	struct aq_nic_s *aq_nic = netdev_priv(netdev);
+
+	switch (cmd) {
+	case SIOCSHWTSTAMP:
+		return aq_ndev_hwtstamp_set(aq_nic, ifr);
+
+#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
+	case SIOCGHWTSTAMP:
+		return aq_ndev_hwtstamp_get(aq_nic, ifr);
+#endif
+	}
+
+	return -EOPNOTSUPP;
+}
+
+static int aq_ndo_vlan_rx_add_vid(struct net_device *ndev, __be16 proto,
+				  u16 vid)
+{
+	struct aq_nic_s *aq_nic = netdev_priv(ndev);
+
+	if (!aq_nic->aq_hw_ops->hw_filter_vlan_set)
+		return -EOPNOTSUPP;
+
+	set_bit(vid, aq_nic->active_vlans);
+
+	return aq_filters_vlans_update(aq_nic);
+}
+
+static int aq_ndo_vlan_rx_kill_vid(struct net_device *ndev, __be16 proto,
+				   u16 vid)
+{
+	struct aq_nic_s *aq_nic = netdev_priv(ndev);
+
+	if (!aq_nic->aq_hw_ops->hw_filter_vlan_set)
+		return -EOPNOTSUPP;
+
+	clear_bit(vid, aq_nic->active_vlans);
+
+	if (-ENOENT == aq_del_fvlan_by_vlan(aq_nic, vid))
+		return aq_filters_vlans_update(aq_nic);
+
+	return 0;
+}
+
+static int aq_validate_mqprio_opt(struct aq_nic_s *self,
+				  struct tc_mqprio_qopt_offload *mqprio,
+				  const unsigned int num_tc)
+{
+	const bool has_min_rate = !!(mqprio->flags & TC_MQPRIO_F_MIN_RATE);
+	struct aq_nic_cfg_s *aq_nic_cfg = aq_nic_get_cfg(self);
+	const unsigned int tcs_max = min_t(u8, aq_nic_cfg->aq_hw_caps->tcs_max,
+					   AQ_CFG_TCS_MAX);
+
+	if (num_tc > tcs_max) {
+		netdev_err(self->ndev, "Too many TCs requested\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (num_tc != 0 && !is_power_of_2(num_tc)) {
+		netdev_err(self->ndev, "TC count should be power of 2\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (has_min_rate && !ATL_HW_IS_CHIP_FEATURE(self->aq_hw, ANTIGUA)) {
+		netdev_err(self->ndev, "Min tx rate is not supported\n");
+		return -EOPNOTSUPP;
+	}
+
+	return 0;
+}
+
+static int aq_ndo_setup_tc(struct net_device *dev, enum tc_setup_type type,
+			   void *type_data)
+{
+	struct tc_mqprio_qopt_offload *mqprio = type_data;
+	struct aq_nic_s *aq_nic = netdev_priv(dev);
+	bool has_min_rate;
+	bool has_max_rate;
+	int err;
+	int i;
+
+	if (type != TC_SETUP_QDISC_MQPRIO)
+		return -EOPNOTSUPP;
+
+	has_min_rate = !!(mqprio->flags & TC_MQPRIO_F_MIN_RATE);
+	has_max_rate = !!(mqprio->flags & TC_MQPRIO_F_MAX_RATE);
+
+	err = aq_validate_mqprio_opt(aq_nic, mqprio, mqprio->qopt.num_tc);
+	if (err)
+		return err;
+
+	for (i = 0; i < mqprio->qopt.num_tc; i++) {
+		if (has_max_rate) {
+			u64 max_rate = mqprio->max_rate[i];
+
+			do_div(max_rate, AQ_MBPS_DIVISOR);
+			aq_nic_setup_tc_max_rate(aq_nic, i, (u32)max_rate);
+		}
+
+		if (has_min_rate) {
+			u64 min_rate = mqprio->min_rate[i];
+
+			do_div(min_rate, AQ_MBPS_DIVISOR);
+			aq_nic_setup_tc_min_rate(aq_nic, i, (u32)min_rate);
+		}
+	}
+
+	return aq_nic_setup_tc_mqprio(aq_nic, mqprio->qopt.num_tc,
+				      mqprio->qopt.prio_tc_map);
 }
 
 static const struct net_device_ops aq_ndev_ops = {
@@ -150,5 +417,41 @@
 	.ndo_set_rx_mode = aq_ndev_set_multicast_settings,
 	.ndo_change_mtu = aq_ndev_change_mtu,
 	.ndo_set_mac_address = aq_ndev_set_mac_address,
-	.ndo_set_features = aq_ndev_set_features
+	.ndo_set_features = aq_ndev_set_features,
+	.ndo_do_ioctl = aq_ndev_ioctl,
+	.ndo_vlan_rx_add_vid = aq_ndo_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid = aq_ndo_vlan_rx_kill_vid,
+	.ndo_setup_tc = aq_ndo_setup_tc,
 };
+
+static int __init aq_ndev_init_module(void)
+{
+	int ret;
+
+	aq_ndev_wq = create_singlethread_workqueue(aq_ndev_driver_name);
+	if (!aq_ndev_wq) {
+		pr_err("Failed to create workqueue\n");
+		return -ENOMEM;
+	}
+
+	ret = aq_pci_func_register_driver();
+	if (ret) {
+		destroy_workqueue(aq_ndev_wq);
+		return ret;
+	}
+
+	return 0;
+}
+
+static void __exit aq_ndev_exit_module(void)
+{
+	aq_pci_func_unregister_driver();
+
+	if (aq_ndev_wq) {
+		destroy_workqueue(aq_ndev_wq);
+		aq_ndev_wq = NULL;
+	}
+}
+
+module_init(aq_ndev_init_module);
+module_exit(aq_ndev_exit_module);

--
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