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 /* Allow to sort out low debug levels early to avoid wasted sprints */
20 static inline int lcs_dbf_passes(debug_info_t *dbf_grp, int level)
22 return (level <= dbf_grp->level);
25 #define LCS_DBF_TEXT_(level,name,text...) \
27 if (lcs_dbf_passes(lcs_dbf_##name, level)) { \
28 sprintf(debug_buffer, text); \
29 debug_text_event(lcs_dbf_##name, level, debug_buffer); \
36 #define CARD_FROM_DEV(cdev) \
37 (struct lcs_card *) dev_get_drvdata( \
38 &((struct ccwgroup_device *)dev_get_drvdata(&cdev->dev))->dev);
41 * Enum for classifying detected devices.
43 enum lcs_channel_types {
44 /* Device is not a channel */
45 lcs_channel_type_none,
47 /* Device is a 2216 channel */
48 lcs_channel_type_parallel,
50 /* Device is a 2216 channel */
51 lcs_channel_type_2216,
53 /* Device is a OSA2 card */
58 * CCW commands used in this driver
60 #define LCS_CCW_WRITE 0x01
61 #define LCS_CCW_READ 0x02
62 #define LCS_CCW_TRANSFER 0x08
65 * LCS device status primitives
67 #define LCS_CMD_STARTLAN 0x01
68 #define LCS_CMD_STOPLAN 0x02
69 #define LCS_CMD_LANSTAT 0x04
70 #define LCS_CMD_STARTUP 0x07
71 #define LCS_CMD_SHUTDOWN 0x08
72 #define LCS_CMD_QIPASSIST 0xb2
73 #define LCS_CMD_SETIPM 0xb4
74 #define LCS_CMD_DELIPM 0xb5
76 #define LCS_INITIATOR_TCPIP 0x00
77 #define LCS_INITIATOR_LGW 0x01
78 #define LCS_STD_CMD_SIZE 16
79 #define LCS_MULTICAST_CMD_SIZE 404
82 * LCS IPASSIST MASKS,only used when multicast is switched on
84 /* Not supported by LCS */
85 #define LCS_IPASS_ARP_PROCESSING 0x0001
86 #define LCS_IPASS_IN_CHECKSUM_SUPPORT 0x0002
87 #define LCS_IPASS_OUT_CHECKSUM_SUPPORT 0x0004
88 #define LCS_IPASS_IP_FRAG_REASSEMBLY 0x0008
89 #define LCS_IPASS_IP_FILTERING 0x0010
90 /* Supported by lcs 3172 */
91 #define LCS_IPASS_IPV6_SUPPORT 0x0020
92 #define LCS_IPASS_MULTICAST_SUPPORT 0x0040
95 * LCS sense byte definitions
97 #define LCS_SENSE_BYTE_0 0
98 #define LCS_SENSE_BYTE_1 1
99 #define LCS_SENSE_BYTE_2 2
100 #define LCS_SENSE_BYTE_3 3
101 #define LCS_SENSE_INTERFACE_DISCONNECT 0x01
102 #define LCS_SENSE_EQUIPMENT_CHECK 0x10
103 #define LCS_SENSE_BUS_OUT_CHECK 0x20
104 #define LCS_SENSE_INTERVENTION_REQUIRED 0x40
105 #define LCS_SENSE_CMD_REJECT 0x80
106 #define LCS_SENSE_RESETTING_EVENT 0x80
107 #define LCS_SENSE_DEVICE_ONLINE 0x20
110 * LCS packet type definitions
112 #define LCS_FRAME_TYPE_CONTROL 0
113 #define LCS_FRAME_TYPE_ENET 1
114 #define LCS_FRAME_TYPE_TR 2
115 #define LCS_FRAME_TYPE_FDDI 7
116 #define LCS_FRAME_TYPE_AUTO -1
119 * some more definitions,we will sort them later
121 #define LCS_ILLEGAL_OFFSET 0xffff
122 #define LCS_IOBUFFERSIZE 0x5000
123 #define LCS_NUM_BUFFS 32 /* needs to be power of 2 */
124 #define LCS_MAC_LENGTH 6
125 #define LCS_INVALID_PORT_NO -1
126 #define LCS_LANCMD_TIMEOUT_DEFAULT 5
131 #define LCS_IPM_STATE_SET_REQUIRED 0
132 #define LCS_IPM_STATE_DEL_REQUIRED 1
133 #define LCS_IPM_STATE_ON_CARD 2
136 * LCS IP Assist declarations
137 * seems to be only used for multicast
139 #define LCS_IPASS_ARP_PROCESSING 0x0001
140 #define LCS_IPASS_INBOUND_CSUM_SUPP 0x0002
141 #define LCS_IPASS_OUTBOUND_CSUM_SUPP 0x0004
142 #define LCS_IPASS_IP_FRAG_REASSEMBLY 0x0008
143 #define LCS_IPASS_IP_FILTERING 0x0010
144 #define LCS_IPASS_IPV6_SUPPORT 0x0020
145 #define LCS_IPASS_MULTICAST_SUPPORT 0x0040
150 enum lcs_buffer_states {
151 LCS_BUF_STATE_EMPTY, /* buffer is empty */
152 LCS_BUF_STATE_LOCKED, /* buffer is locked, don't touch */
153 LCS_BUF_STATE_READY, /* buffer is ready for read/write */
154 LCS_BUF_STATE_PROCESSED,
158 * LCS Channel State Machine declarations
160 enum lcs_channel_states {
163 LCS_CH_STATE_STOPPED,
164 LCS_CH_STATE_RUNNING,
165 LCS_CH_STATE_SUSPENDED,
166 LCS_CH_STATE_CLEARED,
171 * LCS device state machine
173 enum lcs_dev_states {
180 LCS_SET_MC_THREAD = 1,
181 LCS_RECOVERY_THREAD = 2,
185 * LCS struct declarations
191 } __attribute__ ((packed));
193 struct lcs_ip_mac_pair {
195 __u8 mac_addr[LCS_MAC_LENGTH];
197 } __attribute__ ((packed));
199 struct lcs_ipm_list {
200 struct list_head list;
201 struct lcs_ip_mac_pair ipm;
217 __u16 parameter_count;
218 __u8 operator_flags[3];
230 __u8 mac_addr[LCS_MAC_LENGTH];
231 __u32 num_packets_deblocked;
232 __u32 num_packets_blocked;
233 __u32 num_packets_tx_on_lan;
234 __u32 num_tx_errors_detected;
235 __u32 num_tx_packets_disgarded;
236 __u32 num_packets_rx_from_lan;
237 __u32 num_rx_errors_detected;
238 __u32 num_rx_discarded_nobuffs_avail;
239 __u32 num_rx_packets_too_large;
241 #ifdef CONFIG_IP_MULTICAST
246 __u16 ip_assists_supported;
247 __u16 ip_assists_enabled;
250 struct lcs_ip_mac_pair
253 } lcs_ipass_ctlmsg __attribute ((packed));
254 } lcs_qipassist __attribute__ ((packed));
255 #endif /*CONFIG_IP_MULTICAST */
256 } cmd __attribute__ ((packed));
257 } __attribute__ ((packed));
260 * Forward declarations.
266 * Definition of an lcs buffer.
269 enum lcs_buffer_states state;
272 /* Callback for completion notification. */
273 void (*callback)(struct lcs_channel *, struct lcs_buffer *);
277 struct list_head list;
280 /* Callback for completion notification. */
281 void (*callback)(struct lcs_card *, struct lcs_cmd *);
282 wait_queue_head_t wait_q;
283 struct lcs_card *card;
289 * Definition of an lcs channel
292 enum lcs_channel_states state;
293 struct ccw_device *ccwdev;
294 struct ccw1 ccws[LCS_NUM_BUFFS + 1];
295 wait_queue_head_t wait_q;
296 struct tasklet_struct irq_tasklet;
297 struct lcs_buffer iob[LCS_NUM_BUFFS];
304 * definition of the lcs card
309 enum lcs_dev_states state;
310 struct net_device *dev;
311 struct net_device_stats stats;
312 __be16 (*lan_type_trans)(struct sk_buff *skb,
313 struct net_device *dev);
314 struct ccwgroup_device *gdev;
315 struct lcs_channel read;
316 struct lcs_channel write;
317 struct lcs_buffer *tx_buffer;
319 struct list_head lancmd_waiters;
322 struct work_struct kernel_thread_starter;
323 spinlock_t mask_lock;
324 unsigned long thread_start_mask;
325 unsigned long thread_running_mask;
326 unsigned long thread_allowed_mask;
327 wait_queue_head_t wait_q;
329 #ifdef CONFIG_IP_MULTICAST
330 struct list_head ipm_list;
332 __u8 mac[LCS_MAC_LENGTH];
333 __u16 ip_assists_supported;
334 __u16 ip_assists_enabled;
339 /* Some info copied from probeinfo */
343 s16 port_protocol_no;
344 } __attribute__ ((aligned(8)));