3 #include <linux/interrupt.h>
4 #include <linux/netdevice.h>
5 #include <linux/skbuff.h>
6 #include <linux/workqueue.h>
7 #include <asm/ccwdev.h>
9 #define LCS_DBF_TEXT(level, name, text) \
11 debug_text_event(lcs_dbf_##name, level, text); \
14 #define LCS_DBF_HEX(level,name,addr,len) \
16 debug_event(lcs_dbf_##name,level,(void*)(addr),len); \
19 #define LCS_DBF_TEXT_(level,name,text...) \
21 if (debug_level_enabled(lcs_dbf_##name, level)) { \
22 sprintf(debug_buffer, text); \
23 debug_text_event(lcs_dbf_##name, level, debug_buffer); \
30 #define CARD_FROM_DEV(cdev) \
31 (struct lcs_card *) dev_get_drvdata( \
32 &((struct ccwgroup_device *)dev_get_drvdata(&cdev->dev))->dev);
35 * Enum for classifying detected devices.
37 enum lcs_channel_types
{
38 /* Device is not a channel */
39 lcs_channel_type_none
,
41 /* Device is a 2216 channel */
42 lcs_channel_type_parallel
,
44 /* Device is a 2216 channel */
45 lcs_channel_type_2216
,
47 /* Device is a OSA2 card */
52 * CCW commands used in this driver
54 #define LCS_CCW_WRITE 0x01
55 #define LCS_CCW_READ 0x02
56 #define LCS_CCW_TRANSFER 0x08
59 * LCS device status primitives
61 #define LCS_CMD_STARTLAN 0x01
62 #define LCS_CMD_STOPLAN 0x02
63 #define LCS_CMD_LANSTAT 0x04
64 #define LCS_CMD_STARTUP 0x07
65 #define LCS_CMD_SHUTDOWN 0x08
66 #define LCS_CMD_QIPASSIST 0xb2
67 #define LCS_CMD_SETIPM 0xb4
68 #define LCS_CMD_DELIPM 0xb5
70 #define LCS_INITIATOR_TCPIP 0x00
71 #define LCS_INITIATOR_LGW 0x01
72 #define LCS_STD_CMD_SIZE 16
73 #define LCS_MULTICAST_CMD_SIZE 404
76 * LCS IPASSIST MASKS,only used when multicast is switched on
78 /* Not supported by LCS */
79 #define LCS_IPASS_ARP_PROCESSING 0x0001
80 #define LCS_IPASS_IN_CHECKSUM_SUPPORT 0x0002
81 #define LCS_IPASS_OUT_CHECKSUM_SUPPORT 0x0004
82 #define LCS_IPASS_IP_FRAG_REASSEMBLY 0x0008
83 #define LCS_IPASS_IP_FILTERING 0x0010
84 /* Supported by lcs 3172 */
85 #define LCS_IPASS_IPV6_SUPPORT 0x0020
86 #define LCS_IPASS_MULTICAST_SUPPORT 0x0040
89 * LCS sense byte definitions
91 #define LCS_SENSE_BYTE_0 0
92 #define LCS_SENSE_BYTE_1 1
93 #define LCS_SENSE_BYTE_2 2
94 #define LCS_SENSE_BYTE_3 3
95 #define LCS_SENSE_INTERFACE_DISCONNECT 0x01
96 #define LCS_SENSE_EQUIPMENT_CHECK 0x10
97 #define LCS_SENSE_BUS_OUT_CHECK 0x20
98 #define LCS_SENSE_INTERVENTION_REQUIRED 0x40
99 #define LCS_SENSE_CMD_REJECT 0x80
100 #define LCS_SENSE_RESETTING_EVENT 0x80
101 #define LCS_SENSE_DEVICE_ONLINE 0x20
104 * LCS packet type definitions
106 #define LCS_FRAME_TYPE_CONTROL 0
107 #define LCS_FRAME_TYPE_ENET 1
108 #define LCS_FRAME_TYPE_TR 2
109 #define LCS_FRAME_TYPE_FDDI 7
110 #define LCS_FRAME_TYPE_AUTO -1
113 * some more definitions,we will sort them later
115 #define LCS_ILLEGAL_OFFSET 0xffff
116 #define LCS_IOBUFFERSIZE 0x5000
117 #define LCS_NUM_BUFFS 32 /* needs to be power of 2 */
118 #define LCS_MAC_LENGTH 6
119 #define LCS_INVALID_PORT_NO -1
120 #define LCS_LANCMD_TIMEOUT_DEFAULT 5
125 #define LCS_IPM_STATE_SET_REQUIRED 0
126 #define LCS_IPM_STATE_DEL_REQUIRED 1
127 #define LCS_IPM_STATE_ON_CARD 2
130 * LCS IP Assist declarations
131 * seems to be only used for multicast
133 #define LCS_IPASS_ARP_PROCESSING 0x0001
134 #define LCS_IPASS_INBOUND_CSUM_SUPP 0x0002
135 #define LCS_IPASS_OUTBOUND_CSUM_SUPP 0x0004
136 #define LCS_IPASS_IP_FRAG_REASSEMBLY 0x0008
137 #define LCS_IPASS_IP_FILTERING 0x0010
138 #define LCS_IPASS_IPV6_SUPPORT 0x0020
139 #define LCS_IPASS_MULTICAST_SUPPORT 0x0040
144 enum lcs_buffer_states
{
145 LCS_BUF_STATE_EMPTY
, /* buffer is empty */
146 LCS_BUF_STATE_LOCKED
, /* buffer is locked, don't touch */
147 LCS_BUF_STATE_READY
, /* buffer is ready for read/write */
148 LCS_BUF_STATE_PROCESSED
,
152 * LCS Channel State Machine declarations
154 enum lcs_channel_states
{
157 LCS_CH_STATE_STOPPED
,
158 LCS_CH_STATE_RUNNING
,
159 LCS_CH_STATE_SUSPENDED
,
160 LCS_CH_STATE_CLEARED
,
165 * LCS device state machine
167 enum lcs_dev_states
{
174 LCS_SET_MC_THREAD
= 1,
175 LCS_RECOVERY_THREAD
= 2,
179 * LCS struct declarations
185 } __attribute__ ((packed
));
187 struct lcs_ip_mac_pair
{
189 __u8 mac_addr
[LCS_MAC_LENGTH
];
191 } __attribute__ ((packed
));
193 struct lcs_ipm_list
{
194 struct list_head list
;
195 struct lcs_ip_mac_pair ipm
;
211 __u16 parameter_count
;
212 __u8 operator_flags
[3];
224 __u8 mac_addr
[LCS_MAC_LENGTH
];
225 __u32 num_packets_deblocked
;
226 __u32 num_packets_blocked
;
227 __u32 num_packets_tx_on_lan
;
228 __u32 num_tx_errors_detected
;
229 __u32 num_tx_packets_disgarded
;
230 __u32 num_packets_rx_from_lan
;
231 __u32 num_rx_errors_detected
;
232 __u32 num_rx_discarded_nobuffs_avail
;
233 __u32 num_rx_packets_too_large
;
235 #ifdef CONFIG_IP_MULTICAST
240 __u16 ip_assists_supported
;
241 __u16 ip_assists_enabled
;
244 struct lcs_ip_mac_pair
247 } lcs_ipass_ctlmsg
__attribute ((packed
));
248 } lcs_qipassist
__attribute__ ((packed
));
249 #endif /*CONFIG_IP_MULTICAST */
250 } cmd
__attribute__ ((packed
));
251 } __attribute__ ((packed
));
254 * Forward declarations.
260 * Definition of an lcs buffer.
263 enum lcs_buffer_states state
;
266 /* Callback for completion notification. */
267 void (*callback
)(struct lcs_channel
*, struct lcs_buffer
*);
271 struct list_head list
;
274 /* Callback for completion notification. */
275 void (*callback
)(struct lcs_card
*, struct lcs_cmd
*);
276 wait_queue_head_t wait_q
;
277 struct lcs_card
*card
;
283 * Definition of an lcs channel
286 enum lcs_channel_states state
;
287 struct ccw_device
*ccwdev
;
288 struct ccw1 ccws
[LCS_NUM_BUFFS
+ 1];
289 wait_queue_head_t wait_q
;
290 struct tasklet_struct irq_tasklet
;
291 struct lcs_buffer iob
[LCS_NUM_BUFFS
];
298 * definition of the lcs card
303 enum lcs_dev_states state
;
304 struct net_device
*dev
;
305 struct net_device_stats stats
;
306 __be16 (*lan_type_trans
)(struct sk_buff
*skb
,
307 struct net_device
*dev
);
308 struct ccwgroup_device
*gdev
;
309 struct lcs_channel read
;
310 struct lcs_channel write
;
311 struct lcs_buffer
*tx_buffer
;
313 struct list_head lancmd_waiters
;
316 struct work_struct kernel_thread_starter
;
317 spinlock_t mask_lock
;
318 unsigned long thread_start_mask
;
319 unsigned long thread_running_mask
;
320 unsigned long thread_allowed_mask
;
321 wait_queue_head_t wait_q
;
323 #ifdef CONFIG_IP_MULTICAST
324 struct list_head ipm_list
;
326 __u8 mac
[LCS_MAC_LENGTH
];
327 __u16 ip_assists_supported
;
328 __u16 ip_assists_enabled
;
333 /* Some info copied from probeinfo */
337 s16 port_protocol_no
;
338 } __attribute__ ((aligned(8)));