/* * AMD 10Gb Ethernet driver * * This file is available to you under your choice of the following two * licenses: * * License 1: GPLv2 * * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. * * This file is free software; you may copy, redistribute and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or (at * your option) any later version. * * This file is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * This file incorporates work covered by the following copyright and * permission notice: * The Synopsys DWC ETHER XGMAC Software Driver and documentation * (hereinafter "Software") is an unsupported proprietary work of Synopsys, * Inc. unless otherwise expressly agreed to in writing between Synopsys * and you. * * The Software IS NOT an item of Licensed Software or Licensed Product * under any End User Software License Agreement or Agreement for Licensed * Product with Synopsys or any supplement thereto. Permission is hereby * granted, free of charge, to any person obtaining a copy of this software * annotated with this license and the Software, to deal in the Software * without restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is furnished * to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. * * * License 2: Modified BSD * * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Advanced Micro Devices, Inc. nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This file incorporates work covered by the following copyright and * permission notice: * The Synopsys DWC ETHER XGMAC Software Driver and documentation * (hereinafter "Software") is an unsupported proprietary work of Synopsys, * Inc. unless otherwise expressly agreed to in writing between Synopsys * and you. * * The Software IS NOT an item of Licensed Software or Licensed Product * under any End User Software License Agreement or Agreement for Licensed * Product with Synopsys or any supplement thereto. Permission is hereby * granted, free of charge, to any person obtaining a copy of this software * annotated with this license and the Software, to deal in the Software * without restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is furnished * to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include <linux/module.h> #include <linux/spinlock.h> #include <linux/tcp.h> #include <linux/if_vlan.h> #include <linux/interrupt.h> #include <linux/clk.h> #include <linux/if_ether.h> #include <linux/net_tstamp.h> #include <linux/phy.h> #include <net/vxlan.h> #include "xgbe.h" #include "xgbe-common.h" static unsigned int ecc_sec_info_threshold = …; static unsigned int ecc_sec_warn_threshold = …; static unsigned int ecc_sec_period = …; static unsigned int ecc_ded_threshold = …; static unsigned int ecc_ded_period = …; #ifdef CONFIG_AMD_XGBE_HAVE_ECC /* Only expose the ECC parameters if supported */ module_param(ecc_sec_info_threshold, uint, 0644); MODULE_PARM_DESC(…) …; module_param(ecc_sec_warn_threshold, uint, 0644); MODULE_PARM_DESC(…) …; module_param(ecc_sec_period, uint, 0644); MODULE_PARM_DESC(…) …; module_param(ecc_ded_threshold, uint, 0644); MODULE_PARM_DESC(…) …; module_param(ecc_ded_period, uint, 0644); MODULE_PARM_DESC(…) …; #endif static int xgbe_one_poll(struct napi_struct *, int); static int xgbe_all_poll(struct napi_struct *, int); static void xgbe_stop(struct xgbe_prv_data *); static void *xgbe_alloc_node(size_t size, int node) { … } static void xgbe_free_channels(struct xgbe_prv_data *pdata) { … } static int xgbe_alloc_channels(struct xgbe_prv_data *pdata) { … } static inline unsigned int xgbe_tx_avail_desc(struct xgbe_ring *ring) { … } static inline unsigned int xgbe_rx_dirty_desc(struct xgbe_ring *ring) { … } static int xgbe_maybe_stop_tx_queue(struct xgbe_channel *channel, struct xgbe_ring *ring, unsigned int count) { … } static int xgbe_calc_rx_buf_size(struct net_device *netdev, unsigned int mtu) { … } static void xgbe_enable_rx_tx_int(struct xgbe_prv_data *pdata, struct xgbe_channel *channel) { … } static void xgbe_enable_rx_tx_ints(struct xgbe_prv_data *pdata) { … } static void xgbe_disable_rx_tx_int(struct xgbe_prv_data *pdata, struct xgbe_channel *channel) { … } static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata) { … } static bool xgbe_ecc_sec(struct xgbe_prv_data *pdata, unsigned long *period, unsigned int *count, const char *area) { … } static bool xgbe_ecc_ded(struct xgbe_prv_data *pdata, unsigned long *period, unsigned int *count, const char *area) { … } static void xgbe_ecc_isr_bh_work(struct work_struct *work) { … } static irqreturn_t xgbe_ecc_isr(int irq, void *data) { … } static void xgbe_isr_bh_work(struct work_struct *work) { … } static irqreturn_t xgbe_isr(int irq, void *data) { … } static irqreturn_t xgbe_dma_isr(int irq, void *data) { … } static void xgbe_tx_timer(struct timer_list *t) { … } static void xgbe_service(struct work_struct *work) { … } static void xgbe_service_timer(struct timer_list *t) { … } static void xgbe_init_timers(struct xgbe_prv_data *pdata) { … } static void xgbe_start_timers(struct xgbe_prv_data *pdata) { … } static void xgbe_stop_timers(struct xgbe_prv_data *pdata) { … } void xgbe_get_all_hw_features(struct xgbe_prv_data *pdata) { … } static int xgbe_vxlan_set_port(struct net_device *netdev, unsigned int table, unsigned int entry, struct udp_tunnel_info *ti) { … } static int xgbe_vxlan_unset_port(struct net_device *netdev, unsigned int table, unsigned int entry, struct udp_tunnel_info *ti) { … } static const struct udp_tunnel_nic_info xgbe_udp_tunnels = …; const struct udp_tunnel_nic_info *xgbe_get_udp_tunnel_info(void) { … } static void xgbe_napi_enable(struct xgbe_prv_data *pdata, unsigned int add) { … } static void xgbe_napi_disable(struct xgbe_prv_data *pdata, unsigned int del) { … } static int xgbe_request_irqs(struct xgbe_prv_data *pdata) { … } static void xgbe_free_irqs(struct xgbe_prv_data *pdata) { … } void xgbe_init_tx_coalesce(struct xgbe_prv_data *pdata) { … } void xgbe_init_rx_coalesce(struct xgbe_prv_data *pdata) { … } static void xgbe_free_tx_data(struct xgbe_prv_data *pdata) { … } static void xgbe_free_rx_data(struct xgbe_prv_data *pdata) { … } static int xgbe_phy_reset(struct xgbe_prv_data *pdata) { … } int xgbe_powerdown(struct net_device *netdev, unsigned int caller) { … } int xgbe_powerup(struct net_device *netdev, unsigned int caller) { … } static void xgbe_free_memory(struct xgbe_prv_data *pdata) { … } static int xgbe_alloc_memory(struct xgbe_prv_data *pdata) { … } static int xgbe_start(struct xgbe_prv_data *pdata) { … } static void xgbe_stop(struct xgbe_prv_data *pdata) { … } static void xgbe_stopdev(struct work_struct *work) { … } void xgbe_full_restart_dev(struct xgbe_prv_data *pdata) { … } void xgbe_restart_dev(struct xgbe_prv_data *pdata) { … } static void xgbe_restart(struct work_struct *work) { … } static void xgbe_tx_tstamp(struct work_struct *work) { … } static int xgbe_get_hwtstamp_settings(struct xgbe_prv_data *pdata, struct ifreq *ifreq) { … } static int xgbe_set_hwtstamp_settings(struct xgbe_prv_data *pdata, struct ifreq *ifreq) { … } static void xgbe_prep_tx_tstamp(struct xgbe_prv_data *pdata, struct sk_buff *skb, struct xgbe_packet_data *packet) { … } static void xgbe_prep_vlan(struct sk_buff *skb, struct xgbe_packet_data *packet) { … } static int xgbe_prep_tso(struct sk_buff *skb, struct xgbe_packet_data *packet) { … } static bool xgbe_is_vxlan(struct sk_buff *skb) { … } static int xgbe_is_tso(struct sk_buff *skb) { … } static void xgbe_packet_info(struct xgbe_prv_data *pdata, struct xgbe_ring *ring, struct sk_buff *skb, struct xgbe_packet_data *packet) { … } static int xgbe_open(struct net_device *netdev) { … } static int xgbe_close(struct net_device *netdev) { … } static netdev_tx_t xgbe_xmit(struct sk_buff *skb, struct net_device *netdev) { … } static void xgbe_set_rx_mode(struct net_device *netdev) { … } static int xgbe_set_mac_address(struct net_device *netdev, void *addr) { … } static int xgbe_ioctl(struct net_device *netdev, struct ifreq *ifreq, int cmd) { … } static int xgbe_change_mtu(struct net_device *netdev, int mtu) { … } static void xgbe_tx_timeout(struct net_device *netdev, unsigned int txqueue) { … } static void xgbe_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *s) { … } static int xgbe_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid) { … } static int xgbe_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid) { … } #ifdef CONFIG_NET_POLL_CONTROLLER static void xgbe_poll_controller(struct net_device *netdev) { … } #endif /* End CONFIG_NET_POLL_CONTROLLER */ static int xgbe_setup_tc(struct net_device *netdev, enum tc_setup_type type, void *type_data) { … } static netdev_features_t xgbe_fix_features(struct net_device *netdev, netdev_features_t features) { … } static int xgbe_set_features(struct net_device *netdev, netdev_features_t features) { … } static netdev_features_t xgbe_features_check(struct sk_buff *skb, struct net_device *netdev, netdev_features_t features) { … } static const struct net_device_ops xgbe_netdev_ops = …; const struct net_device_ops *xgbe_get_netdev_ops(void) { … } static void xgbe_rx_refresh(struct xgbe_channel *channel) { … } static struct sk_buff *xgbe_create_skb(struct xgbe_prv_data *pdata, struct napi_struct *napi, struct xgbe_ring_data *rdata, unsigned int len) { … } static unsigned int xgbe_rx_buf1_len(struct xgbe_ring_data *rdata, struct xgbe_packet_data *packet) { … } static unsigned int xgbe_rx_buf2_len(struct xgbe_ring_data *rdata, struct xgbe_packet_data *packet, unsigned int len) { … } static int xgbe_tx_poll(struct xgbe_channel *channel) { … } static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) { … } static int xgbe_one_poll(struct napi_struct *napi, int budget) { … } static int xgbe_all_poll(struct napi_struct *napi, int budget) { … } void xgbe_dump_tx_desc(struct xgbe_prv_data *pdata, struct xgbe_ring *ring, unsigned int idx, unsigned int count, unsigned int flag) { … } void xgbe_dump_rx_desc(struct xgbe_prv_data *pdata, struct xgbe_ring *ring, unsigned int idx) { … } void xgbe_print_pkt(struct net_device *netdev, struct sk_buff *skb, bool tx_rx) { … }
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