linux/drivers/net/ethernet/synopsys/dwc-xlgmac-net.c

/* Synopsys DesignWare Core Enterprise Ethernet (XLGMAC) Driver
 *
 * Copyright (c) 2017 Synopsys, Inc. (www.synopsys.com)
 *
 * This program is dual-licensed; you may select either version 2 of
 * the GNU General Public License ("GPL") or BSD license ("BSD").
 *
 * This Synopsys DWC XLGMAC software driver and associated documentation
 * (hereinafter the "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 a
 * Licensed Product under any End User Software License Agreement or
 * Agreement for Licensed Products with Synopsys or any supplement thereto.
 * Synopsys is a registered trademark of Synopsys, Inc. Other names included
 * in the SOFTWARE may be the trademarks of their respective owners.
 */

#include <linux/netdevice.h>
#include <linux/tcp.h>
#include <linux/interrupt.h>

#include "dwc-xlgmac.h"
#include "dwc-xlgmac-reg.h"

static int xlgmac_one_poll(struct napi_struct *, int);
static int xlgmac_all_poll(struct napi_struct *, int);

static inline unsigned int xlgmac_tx_avail_desc(struct xlgmac_ring *ring)
{ … }

static inline unsigned int xlgmac_rx_dirty_desc(struct xlgmac_ring *ring)
{ … }

static int xlgmac_maybe_stop_tx_queue(
			struct xlgmac_channel *channel,
			struct xlgmac_ring *ring,
			unsigned int count)
{ … }

static void xlgmac_prep_vlan(struct sk_buff *skb,
			     struct xlgmac_pkt_info *pkt_info)
{ … }

static int xlgmac_prep_tso(struct sk_buff *skb,
			   struct xlgmac_pkt_info *pkt_info)
{ … }

static int xlgmac_is_tso(struct sk_buff *skb)
{ … }

static void xlgmac_prep_tx_pkt(struct xlgmac_pdata *pdata,
			       struct xlgmac_ring *ring,
			       struct sk_buff *skb,
			       struct xlgmac_pkt_info *pkt_info)
{ … }

static int xlgmac_calc_rx_buf_size(struct net_device *netdev, unsigned int mtu)
{ … }

static void xlgmac_enable_rx_tx_ints(struct xlgmac_pdata *pdata)
{ … }

static void xlgmac_disable_rx_tx_ints(struct xlgmac_pdata *pdata)
{ … }

static irqreturn_t xlgmac_isr(int irq, void *data)
{ … }

static irqreturn_t xlgmac_dma_isr(int irq, void *data)
{ … }

static void xlgmac_tx_timer(struct timer_list *t)
{ … }

static void xlgmac_init_timers(struct xlgmac_pdata *pdata)
{ … }

static void xlgmac_stop_timers(struct xlgmac_pdata *pdata)
{ … }

static void xlgmac_napi_enable(struct xlgmac_pdata *pdata, unsigned int add)
{ … }

static void xlgmac_napi_disable(struct xlgmac_pdata *pdata, unsigned int del)
{ … }

static int xlgmac_request_irqs(struct xlgmac_pdata *pdata)
{ … }

static void xlgmac_free_irqs(struct xlgmac_pdata *pdata)
{ … }

static void xlgmac_free_tx_data(struct xlgmac_pdata *pdata)
{ … }

static void xlgmac_free_rx_data(struct xlgmac_pdata *pdata)
{ … }

static int xlgmac_start(struct xlgmac_pdata *pdata)
{ … }

static void xlgmac_stop(struct xlgmac_pdata *pdata)
{ … }

static void xlgmac_restart_dev(struct xlgmac_pdata *pdata)
{ … }

static void xlgmac_restart(struct work_struct *work)
{ … }

static int xlgmac_open(struct net_device *netdev)
{ … }

static int xlgmac_close(struct net_device *netdev)
{ … }

static void xlgmac_tx_timeout(struct net_device *netdev, unsigned int txqueue)
{ … }

static netdev_tx_t xlgmac_xmit(struct sk_buff *skb, struct net_device *netdev)
{ … }

static void xlgmac_get_stats64(struct net_device *netdev,
			       struct rtnl_link_stats64 *s)
{ … }

static int xlgmac_set_mac_address(struct net_device *netdev, void *addr)
{ … }

static int xlgmac_ioctl(struct net_device *netdev,
			struct ifreq *ifreq, int cmd)
{ … }

static int xlgmac_change_mtu(struct net_device *netdev, int mtu)
{ … }

static int xlgmac_vlan_rx_add_vid(struct net_device *netdev,
				  __be16 proto,
				  u16 vid)
{ … }

static int xlgmac_vlan_rx_kill_vid(struct net_device *netdev,
				   __be16 proto,
				   u16 vid)
{ … }

#ifdef CONFIG_NET_POLL_CONTROLLER
static void xlgmac_poll_controller(struct net_device *netdev)
{ … }
#endif /* CONFIG_NET_POLL_CONTROLLER */

static int xlgmac_set_features(struct net_device *netdev,
			       netdev_features_t features)
{ … }

static void xlgmac_set_rx_mode(struct net_device *netdev)
{ … }

static const struct net_device_ops xlgmac_netdev_ops = …;

const struct net_device_ops *xlgmac_get_netdev_ops(void)
{ … }

static void xlgmac_rx_refresh(struct xlgmac_channel *channel)
{ … }

static struct sk_buff *xlgmac_create_skb(struct xlgmac_pdata *pdata,
					 struct napi_struct *napi,
					 struct xlgmac_desc_data *desc_data,
					 unsigned int len)
{ … }

static int xlgmac_tx_poll(struct xlgmac_channel *channel)
{ … }

static int xlgmac_rx_poll(struct xlgmac_channel *channel, int budget)
{ … }

static int xlgmac_one_poll(struct napi_struct *napi, int budget)
{ … }

static int xlgmac_all_poll(struct napi_struct *napi, int budget)
{ … }