OpenWrt – Blame information for rev 2

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1 office 1 /*
2 * Atheros AR71xx built-in ethernet mac driver
3 *
4 * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
6 *
7 * Based on Atheros' AG7100 driver
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License version 2 as published
11 * by the Free Software Foundation.
12 */
13  
14 #include "ag71xx.h"
15  
16 static int ag71xx_ethtool_get_settings(struct net_device *dev,
17 struct ethtool_cmd *cmd)
18 {
19 struct ag71xx *ag = netdev_priv(dev);
20 struct phy_device *phydev = ag->phy_dev;
21  
22 if (!phydev)
23 return -ENODEV;
24  
25 return phy_ethtool_ioctl(phydev, cmd);
26 }
27  
28 static int ag71xx_ethtool_set_settings(struct net_device *dev,
29 struct ethtool_cmd *cmd)
30 {
31 struct ag71xx *ag = netdev_priv(dev);
32 struct phy_device *phydev = ag->phy_dev;
33  
34 if (!phydev)
35 return -ENODEV;
36  
37 return phy_ethtool_ioctl(phydev, cmd);
38 }
39  
40 static u32 ag71xx_ethtool_get_msglevel(struct net_device *dev)
41 {
42 struct ag71xx *ag = netdev_priv(dev);
43  
44 return ag->msg_enable;
45 }
46  
47 static void ag71xx_ethtool_set_msglevel(struct net_device *dev, u32 msg_level)
48 {
49 struct ag71xx *ag = netdev_priv(dev);
50  
51 ag->msg_enable = msg_level;
52 }
53  
54 static void ag71xx_ethtool_get_ringparam(struct net_device *dev,
55 struct ethtool_ringparam *er)
56 {
57 struct ag71xx *ag = netdev_priv(dev);
58  
59 er->tx_max_pending = AG71XX_TX_RING_SIZE_MAX;
60 er->rx_max_pending = AG71XX_RX_RING_SIZE_MAX;
61 er->rx_mini_max_pending = 0;
62 er->rx_jumbo_max_pending = 0;
63  
64 er->tx_pending = BIT(ag->tx_ring.order);
65 er->rx_pending = BIT(ag->rx_ring.order);
66 er->rx_mini_pending = 0;
67 er->rx_jumbo_pending = 0;
68  
69 if (ag->tx_ring.desc_split)
70 er->tx_pending /= AG71XX_TX_RING_DS_PER_PKT;
71 }
72  
73 static int ag71xx_ethtool_set_ringparam(struct net_device *dev,
74 struct ethtool_ringparam *er)
75 {
76 struct ag71xx *ag = netdev_priv(dev);
77 unsigned tx_size;
78 unsigned rx_size;
79 int err = 0;
80  
81 if (er->rx_mini_pending != 0||
82 er->rx_jumbo_pending != 0 ||
83 er->rx_pending == 0 ||
84 er->tx_pending == 0)
85 return -EINVAL;
86  
87 tx_size = er->tx_pending < AG71XX_TX_RING_SIZE_MAX ?
88 er->tx_pending : AG71XX_TX_RING_SIZE_MAX;
89  
90 rx_size = er->rx_pending < AG71XX_RX_RING_SIZE_MAX ?
91 er->rx_pending : AG71XX_RX_RING_SIZE_MAX;
92  
93 if (netif_running(dev)) {
94 err = dev->netdev_ops->ndo_stop(dev);
95 if (err)
96 return err;
97 }
98  
99 if (ag->tx_ring.desc_split)
100 tx_size *= AG71XX_TX_RING_DS_PER_PKT;
101  
102 ag->tx_ring.order = ag71xx_ring_size_order(tx_size);
103 ag->rx_ring.order = ag71xx_ring_size_order(rx_size);
104  
105 if (netif_running(dev))
106 err = dev->netdev_ops->ndo_open(dev);
107  
108 return err;
109 }
110  
111 struct ethtool_ops ag71xx_ethtool_ops = {
112 .set_settings = ag71xx_ethtool_set_settings,
113 .get_settings = ag71xx_ethtool_get_settings,
114 .get_msglevel = ag71xx_ethtool_get_msglevel,
115 .set_msglevel = ag71xx_ethtool_set_msglevel,
116 .get_ringparam = ag71xx_ethtool_get_ringparam,
117 .set_ringparam = ag71xx_ethtool_set_ringparam,
118 .get_link = ethtool_op_get_link,
119 .get_ts_info = ethtool_op_get_ts_info,
120 };