diff options
Diffstat (limited to 'drivers/s390/net/lcs.h')
| -rw-r--r-- | drivers/s390/net/lcs.h | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h deleted file mode 100644 index a2699b70b050..000000000000 --- a/drivers/s390/net/lcs.h +++ /dev/null @@ -1,342 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/*lcs.h*/ - -#include <linux/interrupt.h> -#include <linux/netdevice.h> -#include <linux/skbuff.h> -#include <linux/workqueue.h> -#include <linux/refcount.h> -#include <asm/ccwdev.h> - -#define LCS_DBF_TEXT(level, name, text) \ - do { \ - debug_text_event(lcs_dbf_##name, level, text); \ - } while (0) - -#define LCS_DBF_HEX(level,name,addr,len) \ -do { \ - debug_event(lcs_dbf_##name,level,(void*)(addr),len); \ -} while (0) - -#define LCS_DBF_TEXT_(level,name,text...) \ - do { \ - if (debug_level_enabled(lcs_dbf_##name, level)) { \ - scnprintf(debug_buffer, sizeof(debug_buffer), text); \ - debug_text_event(lcs_dbf_##name, level, debug_buffer); \ - } \ - } while (0) - -/** - * sysfs related stuff - */ -#define CARD_FROM_DEV(cdev) \ - (struct lcs_card *) dev_get_drvdata( \ - &((struct ccwgroup_device *)dev_get_drvdata(&cdev->dev))->dev); - -/** - * Enum for classifying detected devices. - */ -enum lcs_channel_types { - /* Device is not a channel */ - lcs_channel_type_none, - - /* Device is a 2216 channel */ - lcs_channel_type_parallel, - - /* Device is a 2216 channel */ - lcs_channel_type_2216, - - /* Device is a OSA2 card */ - lcs_channel_type_osa2 -}; - -/** - * CCW commands used in this driver - */ -#define LCS_CCW_WRITE 0x01 -#define LCS_CCW_READ 0x02 -#define LCS_CCW_TRANSFER 0x08 - -/** - * LCS device status primitives - */ -#define LCS_CMD_STARTLAN 0x01 -#define LCS_CMD_STOPLAN 0x02 -#define LCS_CMD_LANSTAT 0x04 -#define LCS_CMD_STARTUP 0x07 -#define LCS_CMD_SHUTDOWN 0x08 -#define LCS_CMD_QIPASSIST 0xb2 -#define LCS_CMD_SETIPM 0xb4 -#define LCS_CMD_DELIPM 0xb5 - -#define LCS_INITIATOR_TCPIP 0x00 -#define LCS_INITIATOR_LGW 0x01 -#define LCS_STD_CMD_SIZE 16 -#define LCS_MULTICAST_CMD_SIZE 404 - -/** - * LCS IPASSIST MASKS,only used when multicast is switched on - */ -/* Not supported by LCS */ -#define LCS_IPASS_ARP_PROCESSING 0x0001 -#define LCS_IPASS_IN_CHECKSUM_SUPPORT 0x0002 -#define LCS_IPASS_OUT_CHECKSUM_SUPPORT 0x0004 -#define LCS_IPASS_IP_FRAG_REASSEMBLY 0x0008 -#define LCS_IPASS_IP_FILTERING 0x0010 -/* Supported by lcs 3172 */ -#define LCS_IPASS_IPV6_SUPPORT 0x0020 -#define LCS_IPASS_MULTICAST_SUPPORT 0x0040 - -/** - * LCS sense byte definitions - */ -#define LCS_SENSE_BYTE_0 0 -#define LCS_SENSE_BYTE_1 1 -#define LCS_SENSE_BYTE_2 2 -#define LCS_SENSE_BYTE_3 3 -#define LCS_SENSE_INTERFACE_DISCONNECT 0x01 -#define LCS_SENSE_EQUIPMENT_CHECK 0x10 -#define LCS_SENSE_BUS_OUT_CHECK 0x20 -#define LCS_SENSE_INTERVENTION_REQUIRED 0x40 -#define LCS_SENSE_CMD_REJECT 0x80 -#define LCS_SENSE_RESETTING_EVENT 0x80 -#define LCS_SENSE_DEVICE_ONLINE 0x20 - -/** - * LCS packet type definitions - */ -#define LCS_FRAME_TYPE_CONTROL 0 -#define LCS_FRAME_TYPE_ENET 1 -#define LCS_FRAME_TYPE_TR 2 -#define LCS_FRAME_TYPE_FDDI 7 -#define LCS_FRAME_TYPE_AUTO -1 - -/** - * some more definitions,we will sort them later - */ -#define LCS_ILLEGAL_OFFSET 0xffff -#define LCS_IOBUFFERSIZE 0x5000 -#define LCS_NUM_BUFFS 32 /* needs to be power of 2 */ -#define LCS_MAC_LENGTH 6 -#define LCS_INVALID_PORT_NO -1 -#define LCS_LANCMD_TIMEOUT_DEFAULT 5 - -/** - * Multicast state - */ -#define LCS_IPM_STATE_SET_REQUIRED 0 -#define LCS_IPM_STATE_DEL_REQUIRED 1 -#define LCS_IPM_STATE_ON_CARD 2 - -/** - * LCS IP Assist declarations - * seems to be only used for multicast - */ -#define LCS_IPASS_ARP_PROCESSING 0x0001 -#define LCS_IPASS_INBOUND_CSUM_SUPP 0x0002 -#define LCS_IPASS_OUTBOUND_CSUM_SUPP 0x0004 -#define LCS_IPASS_IP_FRAG_REASSEMBLY 0x0008 -#define LCS_IPASS_IP_FILTERING 0x0010 -#define LCS_IPASS_IPV6_SUPPORT 0x0020 -#define LCS_IPASS_MULTICAST_SUPPORT 0x0040 - -/** - * LCS Buffer states - */ -enum lcs_buffer_states { - LCS_BUF_STATE_EMPTY, /* buffer is empty */ - LCS_BUF_STATE_LOCKED, /* buffer is locked, don't touch */ - LCS_BUF_STATE_READY, /* buffer is ready for read/write */ - LCS_BUF_STATE_PROCESSED, -}; - -/** - * LCS Channel State Machine declarations - */ -enum lcs_channel_states { - LCS_CH_STATE_INIT, - LCS_CH_STATE_HALTED, - LCS_CH_STATE_STOPPED, - LCS_CH_STATE_RUNNING, - LCS_CH_STATE_SUSPENDED, - LCS_CH_STATE_CLEARED, - LCS_CH_STATE_ERROR, -}; - -/** - * LCS device state machine - */ -enum lcs_dev_states { - DEV_STATE_DOWN, - DEV_STATE_UP, - DEV_STATE_RECOVER, -}; - -enum lcs_threads { - LCS_SET_MC_THREAD = 1, - LCS_RECOVERY_THREAD = 2, -}; - -/** - * LCS struct declarations - */ -struct lcs_header { - __u16 offset; - __u8 type; - __u8 slot; -} __attribute__ ((packed)); - -struct lcs_ip_mac_pair { - __be32 ip_addr; - __u8 mac_addr[LCS_MAC_LENGTH]; - __u8 reserved[2]; -} __attribute__ ((packed)); - -struct lcs_ipm_list { - struct list_head list; - struct lcs_ip_mac_pair ipm; - __u8 ipm_state; -}; - -struct lcs_cmd { - __u16 offset; - __u8 type; - __u8 slot; - __u8 cmd_code; - __u8 initiator; - __u16 sequence_no; - __u16 return_code; - union { - struct { - __u8 lan_type; - __u8 portno; - __u16 parameter_count; - __u8 operator_flags[3]; - __u8 reserved[3]; - } lcs_std_cmd; - struct { - __u16 unused1; - __u16 buff_size; - __u8 unused2[6]; - } lcs_startup; - struct { - __u8 lan_type; - __u8 portno; - __u8 unused[10]; - __u8 mac_addr[LCS_MAC_LENGTH]; - __u32 num_packets_deblocked; - __u32 num_packets_blocked; - __u32 num_packets_tx_on_lan; - __u32 num_tx_errors_detected; - __u32 num_tx_packets_disgarded; - __u32 num_packets_rx_from_lan; - __u32 num_rx_errors_detected; - __u32 num_rx_discarded_nobuffs_avail; - __u32 num_rx_packets_too_large; - } lcs_lanstat_cmd; -#ifdef CONFIG_IP_MULTICAST - struct { - __u8 lan_type; - __u8 portno; - __u16 num_ip_pairs; - __u16 ip_assists_supported; - __u16 ip_assists_enabled; - __u16 version; - struct { - struct lcs_ip_mac_pair - ip_mac_pair[32]; - __u32 response_data; - } lcs_ipass_ctlmsg __attribute ((packed)); - } lcs_qipassist __attribute__ ((packed)); -#endif /*CONFIG_IP_MULTICAST */ - } cmd __attribute__ ((packed)); -} __attribute__ ((packed)); - -/** - * Forward declarations. - */ -struct lcs_card; -struct lcs_channel; - -/** - * Definition of an lcs buffer. - */ -struct lcs_buffer { - enum lcs_buffer_states state; - void *data; - int count; - /* Callback for completion notification. */ - void (*callback)(struct lcs_channel *, struct lcs_buffer *); -}; - -struct lcs_reply { - struct list_head list; - __u16 sequence_no; - refcount_t refcnt; - /* Callback for completion notification. */ - void (*callback)(struct lcs_card *, struct lcs_cmd *); - wait_queue_head_t wait_q; - struct lcs_card *card; - struct timer_list timer; - int received; - int rc; -}; - -/** - * Definition of an lcs channel - */ -struct lcs_channel { - enum lcs_channel_states state; - struct ccw_device *ccwdev; - struct ccw1 ccws[LCS_NUM_BUFFS + 1]; - wait_queue_head_t wait_q; - struct tasklet_struct irq_tasklet; - struct lcs_buffer iob[LCS_NUM_BUFFS]; - int io_idx; - int buf_idx; -}; - - -/** - * definition of the lcs card - */ -struct lcs_card { - spinlock_t lock; - spinlock_t ipm_lock; - enum lcs_dev_states state; - struct net_device *dev; - struct net_device_stats stats; - __be16 (*lan_type_trans)(struct sk_buff *skb, - struct net_device *dev); - struct ccwgroup_device *gdev; - struct lcs_channel read; - struct lcs_channel write; - struct lcs_buffer *tx_buffer; - int tx_emitted; - struct list_head lancmd_waiters; - int lancmd_timeout; - - struct work_struct kernel_thread_starter; - spinlock_t mask_lock; - unsigned long thread_start_mask; - unsigned long thread_running_mask; - unsigned long thread_allowed_mask; - wait_queue_head_t wait_q; - -#ifdef CONFIG_IP_MULTICAST - struct list_head ipm_list; -#endif - __u8 mac[LCS_MAC_LENGTH]; - __u16 ip_assists_supported; - __u16 ip_assists_enabled; - __s8 lan_type; - __u32 pkt_seq; - __u16 sequence_no; - __s16 portno; - /* Some info copied from probeinfo */ - u8 device_forced; - u8 max_port_no; - u8 hint_port_no; - s16 port_protocol_no; -} __attribute__ ((aligned(8))); - |