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Diffstat (limited to 'drivers/net/netxen/netxen_nic_isr.c')
-rw-r--r--drivers/net/netxen/netxen_nic_isr.c220
1 files changed, 0 insertions, 220 deletions
diff --git a/drivers/net/netxen/netxen_nic_isr.c b/drivers/net/netxen/netxen_nic_isr.c
deleted file mode 100644
index 96cec41f9019..000000000000
--- a/drivers/net/netxen/netxen_nic_isr.c
+++ /dev/null
@@ -1,220 +0,0 @@
1/*
2 * Copyright (C) 2003 - 2006 NetXen, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
18 * MA 02111-1307, USA.
19 *
20 * The full GNU General Public License is included in this distribution
21 * in the file called LICENSE.
22 *
23 * Contact Information:
24 * info@netxen.com
25 * NetXen,
26 * 3965 Freedom Circle, Fourth floor,
27 * Santa Clara, CA 95054
28 */
29
30#include <linux/netdevice.h>
31#include <linux/delay.h>
32
33#include "netxen_nic.h"
34#include "netxen_nic_hw.h"
35#include "netxen_nic_phan_reg.h"
36
37/*
38 * netxen_nic_get_stats - Get System Network Statistics
39 * @netdev: network interface device structure
40 */
41struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
42{
43 struct netxen_adapter *adapter = netdev_priv(netdev);
44 struct net_device_stats *stats = &adapter->net_stats;
45
46 memset(stats, 0, sizeof(*stats));
47
48 /* total packets received */
49 stats->rx_packets = adapter->stats.no_rcv;
50 /* total packets transmitted */
51 stats->tx_packets = adapter->stats.xmitedframes +
52 adapter->stats.xmitfinished;
53 /* total bytes received */
54 stats->rx_bytes = adapter->stats.rxbytes;
55 /* total bytes transmitted */
56 stats->tx_bytes = adapter->stats.txbytes;
57 /* bad packets received */
58 stats->rx_errors = adapter->stats.rcvdbadskb;
59 /* packet transmit problems */
60 stats->tx_errors = adapter->stats.nocmddescriptor;
61 /* no space in linux buffers */
62 stats->rx_dropped = adapter->stats.rxdropped;
63 /* no space available in linux */
64 stats->tx_dropped = adapter->stats.txdropped;
65
66 return stats;
67}
68
69static void netxen_indicate_link_status(struct netxen_adapter *adapter,
70 u32 link)
71{
72 struct net_device *netdev = adapter->netdev;
73
74 if (link)
75 netif_carrier_on(netdev);
76 else
77 netif_carrier_off(netdev);
78}
79
80#if 0
81void netxen_handle_port_int(struct netxen_adapter *adapter, u32 enable)
82{
83 __u32 int_src;
84
85 /* This should clear the interrupt source */
86 if (adapter->phy_read)
87 adapter->phy_read(adapter,
88 NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS,
89 &int_src);
90 if (int_src == 0) {
91 DPRINTK(INFO, "No phy interrupts for port #%d\n", portno);
92 return;
93 }
94 if (adapter->disable_phy_interrupts)
95 adapter->disable_phy_interrupts(adapter);
96
97 if (netxen_get_phy_int_jabber(int_src))
98 DPRINTK(INFO, "Jabber interrupt \n");
99
100 if (netxen_get_phy_int_polarity_changed(int_src))
101 DPRINTK(INFO, "POLARITY CHANGED int \n");
102
103 if (netxen_get_phy_int_energy_detect(int_src))
104 DPRINTK(INFO, "ENERGY DETECT INT \n");
105
106 if (netxen_get_phy_int_downshift(int_src))
107 DPRINTK(INFO, "DOWNSHIFT INT \n");
108 /* write it down later.. */
109 if ((netxen_get_phy_int_speed_changed(int_src))
110 || (netxen_get_phy_int_link_status_changed(int_src))) {
111 __u32 status;
112
113 DPRINTK(INFO, "SPEED CHANGED OR LINK STATUS CHANGED \n");
114
115 if (adapter->phy_read
116 && adapter->phy_read(adapter,
117 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
118 &status) == 0) {
119 if (netxen_get_phy_int_link_status_changed(int_src)) {
120 if (netxen_get_phy_link(status)) {
121 printk(KERN_INFO "%s: %s Link UP\n",
122 netxen_nic_driver_name,
123 adapter->netdev->name);
124
125 } else {
126 printk(KERN_INFO "%s: %s Link DOWN\n",
127 netxen_nic_driver_name,
128 adapter->netdev->name);
129 }
130 netxen_indicate_link_status(adapter,
131 netxen_get_phy_link
132 (status));
133 }
134 }
135 }
136 if (adapter->enable_phy_interrupts)
137 adapter->enable_phy_interrupts(adapter);
138}
139#endif /* 0 */
140
141static void netxen_nic_isr_other(struct netxen_adapter *adapter)
142{
143 int portno = adapter->portnum;
144 u32 val, linkup, qg_linksup;
145
146 /* verify the offset */
147 val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
148 val = val >> adapter->physical_port;
149 if (val == adapter->ahw.qg_linksup)
150 return;
151
152 qg_linksup = adapter->ahw.qg_linksup;
153 adapter->ahw.qg_linksup = val;
154 DPRINTK(INFO, "link update 0x%08x\n", val);
155
156 linkup = val & 1;
157
158 if (linkup != (qg_linksup & 1)) {
159 printk(KERN_INFO "%s: %s PORT %d link %s\n",
160 adapter->netdev->name,
161 netxen_nic_driver_name, portno,
162 ((linkup == 0) ? "down" : "up"));
163 netxen_indicate_link_status(adapter, linkup);
164 if (linkup)
165 netxen_nic_set_link_parameters(adapter);
166
167 }
168}
169
170void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter)
171{
172 netxen_nic_isr_other(adapter);
173}
174
175#if 0
176int netxen_nic_link_ok(struct netxen_adapter *adapter)
177{
178 switch (adapter->ahw.board_type) {
179 case NETXEN_NIC_GBE:
180 return ((adapter->ahw.qg_linksup) & 1);
181
182 case NETXEN_NIC_XGBE:
183 return ((adapter->ahw.xg_linkup) & 1);
184
185 default:
186 printk(KERN_ERR"%s: Function: %s, Unknown board type\n",
187 netxen_nic_driver_name, __FUNCTION__);
188 break;
189 }
190
191 return 0;
192}
193#endif /* 0 */
194
195void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter)
196{
197 struct net_device *netdev = adapter->netdev;
198 u32 val;
199
200 /* WINDOW = 1 */
201 val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
202 val >>= (adapter->physical_port * 8);
203 val &= 0xff;
204
205 if (adapter->ahw.xg_linkup == 1 && val != XG_LINK_UP) {
206 printk(KERN_INFO "%s: %s NIC Link is down\n",
207 netxen_nic_driver_name, netdev->name);
208 adapter->ahw.xg_linkup = 0;
209 if (netif_running(netdev)) {
210 netif_carrier_off(netdev);
211 netif_stop_queue(netdev);
212 }
213 } else if (adapter->ahw.xg_linkup == 0 && val == XG_LINK_UP) {
214 printk(KERN_INFO "%s: %s NIC Link is up\n",
215 netxen_nic_driver_name, netdev->name);
216 adapter->ahw.xg_linkup = 1;
217 netif_carrier_on(netdev);
218 netif_wake_queue(netdev);
219 }
220}
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-02 17:36:22 -0500