/*
* linux/drivers/s390/net/qeth.h
*
* Linux on zSeries OSA Express and HiperSockets support
*
* Copyright 2000,2003 IBM Corporation
* Author(s): Utz Bacher <utz.bacher@de.ibm.com>
*
*/
#ifndef __QETH_H__
#define __QETH_H__
#include <asm/qdio.h>
#define QETH_NAME " qeth"
#define VERSION_QETH_H "$Revision: 1.60 $"
/******************** CONFIG STUFF ***********************/
//#define QETH_DBF_LIKE_HELL
#ifdef CONFIG_QETH_IPV6
#define QETH_IPV6
#define QETH_VERSION_IPV6 ":IPv6"
#else
#define QETH_VERSION_IPV6 ""
#endif /* CONFIG_QETH_IPV6 */
#ifdef CONFIG_QETH_VLAN
#define QETH_VLAN
#define QETH_VERSION_VLAN ":VLAN"
#else
#define QETH_VERSION_VLAN ""
#endif /* CONFIG_QETH_VLAN */
/* these values match CHECKSUM_* in include/linux/skbuff.h */
#define SW_CHECKSUMMING 0
#define HW_CHECKSUMMING 1
#define NO_CHECKSUMMING 2
#define QETH_CHECKSUM_DEFAULT NO_CHECKSUMMING
#define QETH_PRIOQ_DEFAULT NO_PRIO_QUEUEING
#define QETH_DEFAULT_QUEUE 2
/******************** CONFIG STUFF END ***********************/
/********************* TUNING STUFF **************************/
#define HIGH_WATERMARK_PACK 5
#define LOW_WATERMARK_PACK 2
#define WATERMARK_FUZZ 2
#define QETH_MAX_INPUT_THRESHOLD 500
#define QETH_MAX_OUTPUT_THRESHOLD 300 /* ? */
/* only the MAX values are used */
#define QETH_MIN_INPUT_THRESHOLD 1
#define QETH_MIN_OUTPUT_THRESHOLD 1
#define QETH_REQUEUE_THRESHOLD (card->options.inbound_buffer_count/4)
#ifdef CONFIG_QETH_PERF_STATS
#define QETH_PERFORMANCE_STATS
#endif /* CONFIG_QETH_PERF_STATS */
#ifdef QETH_DBF_LIKE_HELL
#define QETH_VERBOSE_LEVEL 8
#else /* QETH_DBF_LIKE_HELL */
#define QETH_VERBOSE_LEVEL 5
#endif /* QETH_DBF_LIKE_HELL */
#define PCI_THRESHOLD_A (card->options.inbound_buffer_count+1)
/* buffers we have to be behind before we get a PCI */
#define PCI_THRESHOLD_B 0 /* enqueued free buffers left before we get a PCI */
#define PCI_TIMER_VALUE 3 /* not used, unless the microcode gets patched */
#define DEFAULT_SPARE_BUFFERS 0
#define MAX_SPARE_BUFFERS 1024
#define SPAREBUF_MASK 65536
#define MAX_PORTNO 15
#define QETH_PROCFILE_NAME "qeth"
#define QETH_PERF_PROCFILE_NAME "qeth_perf"
#define QETH_IPA_PROCFILE_NAME "qeth_ipa_takeover"
#define SEND_RETRIES_ALLOWED 5
#define QETH_ROUTING_ATTEMPTS 2
#define QETH_HARDSETUP_LAPS 5
#define QETH_HARDSETUP_CLEAR_LAPS 3
#define QETH_RECOVERY_HARDSETUP_RETRY 2
/************************* DEBUG FACILITY STUFF *********************/
#define QETH_DBF_HEX(ex,name,level,addr,len) \
do { \
if (ex) \
debug_exception(qeth_dbf_##name,level,(void*)addr,len); \
else \
debug_event(qeth_dbf_##name,level,(void*)addr,len); \
} while (0)
#define QETH_DBF_TEXT(ex,name,level,text) \
do { \
if (ex) \
debug_text_exception(qeth_dbf_##name,level,text); \
else \
debug_text_event(qeth_dbf_##name,level,text); \
} while (0)
#define QETH_DBF_CARD(ex,name,level,text,card) \
do { \
QETH_DBF_TEXT(ex,name,level,text); \
QETH_DBF_TEXT(ex,name,level,card->gdev->dev.bus_id); \
} while (0)
#define QETH_DBF_HEX0(ex,name,addr,len) QETH_DBF_HEX(ex,name,0,addr,len)
#define QETH_DBF_HEX1(ex,name,addr,len) QETH_DBF_HEX(ex,name,1,addr,len)
#define QETH_DBF_HEX2(ex,name,addr,len) QETH_DBF_HEX(ex,name,2,addr,len)
#ifdef QETH_DBF_LIKE_HELL
#define QETH_DBF_HEX3(ex,name,addr,len) QETH_DBF_HEX(ex,name,3,addr,len)
#define QETH_DBF_HEX4(ex,name,addr,len) QETH_DBF_HEX(ex,name,4,addr,len)
#define QETH_DBF_HEX5(ex,name,addr,len) QETH_DBF_HEX(ex,name,5,addr,len)
#define QETH_DBF_HEX6(ex,name,addr,len) QETH_DBF_HEX(ex,name,6,addr,len)
#else /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_HEX3(ex,name,addr,len) do {} while (0)
#define QETH_DBF_HEX4(ex,name,addr,len) do {} while (0)
#define QETH_DBF_HEX5(ex,name,addr,len) do {} while (0)
#define QETH_DBF_HEX6(ex,name,addr,len) do {} while (0)
#endif /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_TEXT0(ex,name,text) QETH_DBF_TEXT(ex,name,0,text)
#define QETH_DBF_TEXT1(ex,name,text) QETH_DBF_TEXT(ex,name,1,text)
#define QETH_DBF_TEXT2(ex,name,text) QETH_DBF_TEXT(ex,name,2,text)
#ifdef QETH_DBF_LIKE_HELL
#define QETH_DBF_TEXT3(ex,name,text) QETH_DBF_TEXT(ex,name,3,text)
#define QETH_DBF_TEXT4(ex,name,text) QETH_DBF_TEXT(ex,name,4,text)
#define QETH_DBF_TEXT5(ex,name,text) QETH_DBF_TEXT(ex,name,5,text)
#define QETH_DBF_TEXT6(ex,name,text) QETH_DBF_TEXT(ex,name,6,text)
#else /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_TEXT3(ex,name,text) do {} while (0)
#define QETH_DBF_TEXT4(ex,name,text) do {} while (0)
#define QETH_DBF_TEXT5(ex,name,text) do {} while (0)
#define QETH_DBF_TEXT6(ex,name,text) do {} while (0)
#endif /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_CARD0(ex,name,text,card) QETH_DBF_CARD(ex,name,0,text,card)
#define QETH_DBF_CARD1(ex,name,text,card) QETH_DBF_CARD(ex,name,1,text,card)
#define QETH_DBF_CARD2(ex,name,text,card) QETH_DBF_CARD(ex,name,2,text,card)
#ifdef QETH_DBF_LIKE_HELL
#define QETH_DBF_CARD3(ex,name,text,card) QETH_DBF_CARD(ex,name,3,text,card)
#define QETH_DBF_CARD4(ex,name,text,card) QETH_DBF_CARD(ex,name,4,text,card)
#define QETH_DBF_CARD5(ex,name,text,card) QETH_DBF_CARD(ex,name,5,text,card)
#define QETH_DBF_CARD6(ex,name,text,card) QETH_DBF_CARD(ex,name,6,text,card)
#else /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_CARD3(ex,name,text,card) do {} while (0)
#define QETH_DBF_CARD4(ex,name,text,card) do {} while (0)
#define QETH_DBF_CARD5(ex,name,text,card) do {} while (0)
#define QETH_DBF_CARD6(ex,name,text,card) do {} while (0)
#endif /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_SETUP_NAME "qeth_setup"
#define QETH_DBF_SETUP_LEN 8
#define QETH_DBF_SETUP_INDEX 3
#define QETH_DBF_SETUP_NR_AREAS 1
#ifdef QETH_DBF_LIKE_HELL
#define QETH_DBF_SETUP_LEVEL 6
#else /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_SETUP_LEVEL 3
#endif /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_MISC_NAME "qeth_misc"
#define QETH_DBF_MISC_LEN 128
#define QETH_DBF_MISC_INDEX 1
#define QETH_DBF_MISC_NR_AREAS 1
#ifdef QETH_DBF_LIKE_HELL
#define QETH_DBF_MISC_LEVEL 6
#else /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_MISC_LEVEL 2
#endif /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_DATA_NAME "qeth_data"
#define QETH_DBF_DATA_LEN 96
#define QETH_DBF_DATA_INDEX 3
#define QETH_DBF_DATA_NR_AREAS 1
#ifdef QETH_DBF_LIKE_HELL
#define QETH_DBF_DATA_LEVEL 6
#else /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_DATA_LEVEL 2
#endif /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_CONTROL_NAME "qeth_control"
/* buffers are 255 bytes long, but no prob */
#define QETH_DBF_CONTROL_LEN 256
#define QETH_DBF_CONTROL_INDEX 3
#define QETH_DBF_CONTROL_NR_AREAS 2
#ifdef QETH_DBF_LIKE_HELL
#define QETH_DBF_CONTROL_LEVEL 6
#else /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_CONTROL_LEVEL 2
#endif /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_TRACE_NAME "qeth_trace"
#define QETH_DBF_TRACE_LEN 8
#ifdef QETH_DBF_LIKE_HELL
#define QETH_DBF_TRACE_INDEX 3
#else /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_TRACE_INDEX 2
#endif /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_TRACE_NR_AREAS 2
#ifdef QETH_DBF_LIKE_HELL
#define QETH_DBF_TRACE_LEVEL 6
#else /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_TRACE_LEVEL 2
#endif /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_SENSE_NAME "qeth_sense"
#define QETH_DBF_SENSE_LEN 64
#define QETH_DBF_SENSE_INDEX 1
#define QETH_DBF_SENSE_NR_AREAS 1
#ifdef QETH_DBF_LIKE_HELL
#define QETH_DBF_SENSE_LEVEL 6
#else /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_SENSE_LEVEL 2
#endif /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_QERR_NAME "qeth_qerr"
#define QETH_DBF_QERR_LEN 8
#define QETH_DBF_QERR_INDEX 1
#define QETH_DBF_QERR_NR_AREAS 2
#ifdef QETH_DBF_LIKE_HELL
#define QETH_DBF_QERR_LEVEL 6
#else /* QETH_DBF_LIKE_HELL */
#define QETH_DBF_QERR_LEVEL 2
#endif /* QETH_DBF_LIKE_HELL */
/****************** END OF DEBUG FACILITY STUFF *********************/
/********************* CARD DATA STUFF **************************/
#define QETH_MAX_PARAMS 150
#define QETH_CARD_TYPE_UNKNOWN 0
#define QETH_CARD_TYPE_OSAE 10
#define QETH_CARD_TYPE_IQD 1234
#define QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT 0x0101
#define QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT 0x0101
#define QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT 0x4108
#define QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT 0x5108
#define QETH_MAX_QUEUES 4
#define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe
#define UNIQUE_ID_NOT_BY_CARD 0x10000
/*
* CU type & model, Dev type & model, card_type, odd_even_restriction,
* func level, no of queues, multicast is different (multicast-queue_no + 0x100)
*/
#define QETH_MODELLIST_ARRAY \
{{0x1731,0x01,0x1732,0x01,QETH_CARD_TYPE_OSAE,1, \
QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT, \
QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT, \
QETH_MAX_QUEUES,0}, \
{0x1731,0x05,0x1732,0x05,QETH_CARD_TYPE_IQD,0, \
QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT, \
QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT, \
QETH_MAX_QUEUES,0x103}, \
{0,0,0,0,0,0,0,0,0}}
#define QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE 0x18
/* only the first two bytes are looked at in qeth_get_cardname_short */
#define QETH_MPC_LINK_TYPE_FAST_ETHERNET 0x01
#define QETH_MPC_LINK_TYPE_HSTR 0x02
#define QETH_MPC_LINK_TYPE_GIGABIT_ETHERNET 0x03
#define QETH_MPC_LINK_TYPE_10GIGABIT_ETHERNET 0x10
#define QETH_MPC_LINK_TYPE_LANE_ETH100 0x81
#define QETH_MPC_LINK_TYPE_LANE_TR 0x82
#define QETH_MPC_LINK_TYPE_LANE_ETH1000 0x83
#define QETH_MPC_LINK_TYPE_LANE 0x88
#define QETH_MPC_LINK_TYPE_ATM_NATIVE 0x90
#define DEFAULT_ADD_HHLEN 0
#define MAX_ADD_HHLEN 1024
#define QETH_HEADER_SIZE 32
#define QETH_IP_HEADER_SIZE 40
#define QETH_HEADER_LEN_POS 8
/* flags for the header: */
#define QETH_HEADER_PASSTHRU 0x10
#define QETH_HEADER_IPV6 0x80
#define QETH_ETH_MAC_V4 0x0100 /* like v4 */
#define QETH_ETH_MAC_V6 0x3333 /* like v6 */
/* tr mc mac is longer, but that will be enough to detect mc frames */
#define QETH_TR_MAC_NC 0xc000 /* non-canonical */
#define QETH_TR_MAC_C 0x0300 /* canonical */
#define QETH_CAST_FLAGS 0x07
#define QETH_CAST_UNICAST 6
#define QETH_CAST_MULTICAST 4
#define QETH_CAST_BROADCAST 5
#define QETH_CAST_ANYCAST 7
#define QETH_CAST_NOCAST 0
/* VLAN defines */
#define QETH_EXT_HEADER_VLAN_FRAME 0x01
#define QETH_EXT_HEADER_TOKEN_ID 0x02
#define QETH_EXT_HEADER_INCLUDE_VLAN_TAG 0x04
#define QETH_EXT_HEADER_SRC_MAC_ADDRESS 0x08
#define QETH_EXT_HEADER_CSUM_HDR_REQ 0x10
#define QETH_EXT_HEADER_CSUM_TRANSP_REQ 0x20
#define QETH_EXT_HEADER_CSUM_TRANSP_FRAME_TYPE 0x40
#define QETH_UDP_CSUM_OFFSET 6
#define QETH_TCP_CSUM_OFFSET 16
#define QETH_VERIFY_IS_REAL_DEV 1
#define QETH_VERIFY_IS_VLAN_DEV 2
inline static unsigned int
qeth_get_ipa_timeout(int cardtype)
{
switch (cardtype) {
case QETH_CARD_TYPE_IQD:
return 2000;
default:
return 20000;
}
}
inline static unsigned short
qeth_get_additional_dev_flags(int cardtype)
{
switch (cardtype) {
case QETH_CARD_TYPE_IQD:
return IFF_NOARP;
#ifdef QETH_IPV6
default:
return 0;
#else /* QETH_IPV6 */
default:
return IFF_NOARP;
#endif /* QETH_IPV6 */
}
}
inline static int
qeth_get_hlen(__u8 link_type)
{
#ifdef QETH_IPV6
switch (link_type) {
case QETH_MPC_LINK_TYPE_HSTR:
case QETH_MPC_LINK_TYPE_LANE_TR:
return QETH_HEADER_SIZE + TR_HLEN;
default:
#ifdef QETH_VLAN
return QETH_HEADER_SIZE + VLAN_ETH_HLEN;
#else
return QETH_HEADER_SIZE + ETH_HLEN;
#endif
}
#else /* QETH_IPV6 */
#ifdef QETH_VLAN
return QETH_HEADER_SIZE + VLAN_HLEN;
#else
return QETH_HEADER_SIZE;
#endif
#endif /* QETH_IPV6 */
}
static int (*qeth_my_eth_header) (struct sk_buff *, struct net_device *,
unsigned short, void *, void *, unsigned);
#ifdef CONFIG_TR
static int (*qeth_my_tr_header) (struct sk_buff *, struct net_device *,
unsigned short, void *, void *, unsigned);
#endif /* CONFIG_TR */
static int (*qeth_my_eth_rebuild_header) (struct sk_buff *);
#ifdef CONFIG_TR
static int (*qeth_my_tr_rebuild_header) (struct sk_buff *);
#endif /* CONFIG_TR */
static int (*qeth_my_eth_header_cache) (struct neighbour *, struct hh_cache *);
static void (*qeth_my_eth_header_cache_update) (struct hh_cache *,
struct net_device *,
unsigned char *);
#ifdef QETH_IPV6
typedef int (*__qeth_temp1) (struct sk_buff *, struct net_device *,
unsigned short, void *, void *, unsigned);
inline static __qeth_temp1
qeth_get_hard_header(__u8 link_type)
{
switch (link_type) {
#ifdef CONFIG_TR
case QETH_MPC_LINK_TYPE_HSTR:
case QETH_MPC_LINK_TYPE_LANE_TR:
return qeth_my_tr_header;
#endif /* CONFIG_TR */
default:
return qeth_my_eth_header;
}
}
typedef int (*__qeth_temp2) (struct sk_buff *);
inline static __qeth_temp2
qeth_get_rebuild_header(__u8 link_type)
{
switch (link_type) {
#ifdef CONFIG_TR
case QETH_MPC_LINK_TYPE_HSTR:
case QETH_MPC_LINK_TYPE_LANE_TR:
return qeth_my_tr_rebuild_header;
#endif /* CONFIG_TR */
default:
return qeth_my_eth_rebuild_header;
}
}
typedef int (*__qeth_temp3) (struct neighbour *, struct hh_cache *);
inline static __qeth_temp3
qeth_get_hard_header_cache(__u8 link_type)
{
switch (link_type) {
case QETH_MPC_LINK_TYPE_HSTR:
case QETH_MPC_LINK_TYPE_LANE_TR:
return NULL;
default:
return qeth_my_eth_header_cache;
}
}
typedef void (*__qeth_temp4) (struct hh_cache *, struct net_device *,
unsigned char *);
inline static __qeth_temp4
qeth_get_header_cache_update(__u8 link_type)
{
switch (link_type) {
case QETH_MPC_LINK_TYPE_HSTR:
case QETH_MPC_LINK_TYPE_LANE_TR:
return NULL;
default:
return qeth_my_eth_header_cache_update;
}
}
static unsigned short
qeth_eth_type_trans(struct sk_buff *skb, struct net_device *dev)
{
struct ethhdr *eth;
skb->mac.raw = skb->data;
skb_pull(skb, ETH_ALEN * 2 + sizeof (short));
eth = skb->mac.ethernet;
if (*eth->h_dest & 1) {
if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
skb->pkt_type = PACKET_BROADCAST;
else
skb->pkt_type = PACKET_MULTICAST;
} else {
skb->pkt_type = PACKET_OTHERHOST;
}
if (ntohs(eth->h_proto) >= 1536)
return eth->h_proto;
if (*(unsigned short *) (skb->data) == 0xFFFF)
return htons(ETH_P_802_3);
return htons(ETH_P_802_2);
}
typedef unsigned short (*__qeth_temp5) (struct sk_buff *, struct net_device *);
inline static __qeth_temp5
qeth_get_type_trans(__u8 link_type)
{
switch (link_type) {
#ifdef CONFIG_TR
case QETH_MPC_LINK_TYPE_HSTR:
case QETH_MPC_LINK_TYPE_LANE_TR:
return tr_type_trans;
#endif
default:
return qeth_eth_type_trans;
}
}
#endif /* QETH_IPV6 */
inline static const char *
qeth_get_link_type_name(int cardtype, __u8 linktype)
{
switch (cardtype) {
case QETH_CARD_TYPE_UNKNOWN:
return "unknown";
case QETH_CARD_TYPE_OSAE:
switch (linktype) {
case QETH_MPC_LINK_TYPE_FAST_ETHERNET:
return "Fast Eth";
case QETH_MPC_LINK_TYPE_HSTR:
return "HSTR";
case QETH_MPC_LINK_TYPE_GIGABIT_ETHERNET:
return "Gigabit Eth";
case QETH_MPC_LINK_TYPE_LANE_ETH100:
return "LANE Eth100";
case QETH_MPC_LINK_TYPE_LANE_TR:
return "LANE TR";
case QETH_MPC_LINK_TYPE_LANE_ETH1000:
return "LANE Eth1000";
default:
return "unknown";
}
case QETH_CARD_TYPE_IQD:
return "magic";
default:
return "unknown";
}
}
inline static const char *
qeth_get_dev_basename(int cardtype, __u8 link_type)
{
switch (cardtype) {
case QETH_CARD_TYPE_UNKNOWN:
return "eth";
case QETH_CARD_TYPE_OSAE:
switch (link_type) {
case QETH_MPC_LINK_TYPE_LANE_TR:
/* fallthrough */
case QETH_MPC_LINK_TYPE_HSTR:
return "tr";
default:
return "eth";
}
case QETH_CARD_TYPE_IQD:
return "hsi";
default:
return "eth";
}
}
/* inbound: */
#define DEFAULT_BUFFER_SIZE 65536
#define DEFAULT_BUFFER_COUNT 128
#define BUFCNT_MIN 8
#define BUFCNT_MAX 128
#define BUFFER_SIZE (card->inbound_buffer_size)
#define BUFFER_MAX_ELEMENTS (BUFFER_SIZE>>12)
/* 8k for each pair header-buffer: */
inline static int
qeth_sbal_packing_on_card(int cardtype)
{
switch (cardtype) {
case QETH_CARD_TYPE_IQD:
return 0;
default:
return 1;
}
}
/*
* do it this way round -> __MODULE_STRING needs with
* QETH_PRIO_NICE_LEVELS a single number
*/
#define QETH_MAX_PRIO_QUEUES QETH_PRIO_NICE_LEVELS+1
static inline int
qeth_sbalf15_in_retrieable_range(int sbalf15)
{
return ((sbalf15 >= 15) && (sbalf15 <= 31));
}
#define INBOUND_BUFFER_POS(card,bufno,sbale) \
( (bufno&SPAREBUF_MASK)? \
( \
(sparebufs[bufno&(~SPAREBUF_MASK)].buf+ \
PAGE_SIZE*sbale) \
):( \
(card->inbound_buffer_pool_entry[card-> \
inbound_buffer_entry_no[bufno]][sbale]) \
) )
#define SPAREBUF_UNAVAIL 0
#define SPAREBUF_FREE 1
#define SPAREBUF_USED 2
struct sparebufs {
char *buf;
atomic_t status;
};
#define SEND_STATE_INACTIVE 0
#define SEND_STATE_DONT_PACK 1
#define SEND_STATE_PACK 2
#define QETH_LOCK_UNLOCKED 0
#define QETH_LOCK_NORMAL 1
#define QETH_LOCK_FLUSH 2
#define QETH_TX_TIMEOUT 100*HZ /* 100 seconds */
#define QETH_REMOVE_WAIT_TIME 200
#define QETH_WAIT_FOR_THREAD_TIME 20
#define QETH_IDLE_WAIT_TIME 10
#define QETH_WAIT_BEFORE_2ND_DOIO 1000
#define QETH_FAKE_LL_LEN ETH_HLEN /* 14 */
#define QETH_FAKE_LL_PROT_LEN 2
#define QETH_FAKE_LL_ADDR_LEN ETH_ALEN /* 6 */
#define QETH_FAKE_LL_DEST_MAC_POS 0
#define QETH_FAKE_LL_SRC_MAC_POS 6
#define QETH_FAKE_LL_SRC_MAC_POS_IN_QDIO_HDR 6
#define QETH_FAKE_LL_PROT_POS 12
#define QETH_FAKE_LL_V4_ADDR_POS 16
#define QETH_FAKE_LL_V6_ADDR_POS 24
#define DEV_NAME_LEN 16
#define IOCTL_MAX_TRANSFER_SIZE 65535
#define IP_TOS_LOWDELAY 0x10
#define IP_TOS_HIGHTHROUGHPUT 0x08
#define IP_TOS_HIGHRELIABILITY 0x04
#define IP_TOS_NOTIMPORTANT 0x02
#define QETH_RCD_LENGTH 128
#define __max(a,b) ( ((a)>(b))?(a):(b) )
#define __min(a,b) ( ((a)<(b))?(a):(b) )
#define QETH_BUFSIZE __max(__max(IPA_PDU_HEADER_SIZE+sizeof(struct arp_cmd), \
IPA_PDU_HEADER_SIZE+sizeof(struct ipa_cmd)), \
QETH_RCD_LENGTH)
#define QETH_NOP_TIMEOUT 1500
#define QETH_QUIESCE_NETDEV_TIME 300
#define QETH_QUIESCE_WAIT_BEFORE_CLEAR 4000
#define QETH_QUIESCE_WAIT_AFTER_CLEAR 4000
#define NOP_STATE 0x1001
#define IDX_ACTIVATE_READ_STATE 0x1003
#define IDX_ACTIVATE_WRITE_STATE 0x1004
#define MPC_SETUP_STATE 0x1005
#define CLEAR_STATE 0x1006
#define IPA_CMD_STATE 0x1007
#define IPA_IOCTL_STATE 0x1009
#define IPA_SETIP_FLAG 0x100000
#define QETH_REMOVE_CARD_PROPER 1
#define QETH_REMOVE_CARD_QUICK 2
#define NO_PRIO_QUEUEING 0
#define PRIO_QUEUEING_PREC 1
#define PRIO_QUEUEING_TOS 2
#define NO_ROUTER 0
#define PRIMARY_ROUTER 1
#define SECONDARY_ROUTER 2
#define MULTICAST_ROUTER 3
#define PRIMARY_CONNECTOR 4
#define SECONDARY_CONNECTOR 5
#define ROUTER_MASK 0xf /* used to remove SET_ROUTING_FLAG
from routing_type */
#define RESET_ROUTING_FLAG 0x10 /* used to indicate, that setting
the routing type is desired */
#define BROADCAST_ALLRINGS 0
#define BROADCAST_LOCAL 1
#define MACADDR_NONCANONICAL 0
#define MACADDR_CANONICAL 1
#define ENABLE_TAKEOVER 0
#define DISABLE_TAKEOVER 1
#define FAKE_BROADCAST 0
#define DONT_FAKE_BROADCAST 1
#define FAKE_LL 0
#define DONT_FAKE_LL 1
#define QETH_BREAKOUT_LEAVE 1
#define QETH_BREAKOUT_AGAIN 2
#define QETH_WAIT_FOR_LOCK 0
#define QETH_DONT_WAIT_FOR_LOCK 1
#define QETH_LOCK_ALREADY_HELD 2
#define PROBLEM_CARD_HAS_STARTLANED 1
#define PROBLEM_RECEIVED_IDX_TERMINATE 2
#define PROBLEM_ACTIVATE_CHECK_CONDITION 3
#define PROBLEM_RESETTING_EVENT_INDICATOR 4
#define PROBLEM_COMMAND_REJECT 5
#define PROBLEM_ZERO_SENSE_DATA 6
#define PROBLEM_GENERAL_CHECK 7
#define PROBLEM_BAD_SIGA_RESULT 8
#define PROBLEM_USER_TRIGGERED_RECOVERY 9
#define PROBLEM_AFFE 10
#define PROBLEM_MACHINE_CHECK 11
#define PROBLEM_TX_TIMEOUT 12
#define CARD_RDEV(card) card->gdev->cdev[0]
#define CARD_WDEV(card) card->gdev->cdev[1]
#define CARD_DDEV(card) card->gdev->cdev[2]
#define CARD_BUS_ID(card) card->gdev->dev.bus_id
#define CARD_RDEV_ID(card) card->gdev->cdev[0]->dev.bus_id
#define CARD_WDEV_ID(card) card->gdev->cdev[1]->dev.bus_id
#define CARD_DDEV_ID(card) card->gdev->cdev[2]->dev.bus_id
#define CARD_FROM_CDEV(cdev) (struct qeth_card *) \
((struct ccwgroup_device *) cdev->dev.driver_data)->dev.driver_data
#define SENSE_COMMAND_REJECT_BYTE 0
#define SENSE_COMMAND_REJECT_FLAG 0x80
#define SENSE_RESETTING_EVENT_BYTE 1
#define SENSE_RESETTING_EVENT_FLAG 0x80
#define BUFFER_USED 1
#define BUFFER_UNUSED -1
typedef int (*reg_notifier_t) (struct notifier_block *);
struct ipato_entry {
int version;
__u8 addr[16];
int mask_bits;
char dev_name[DEV_NAME_LEN];
struct ipato_entry *next;
};
struct qeth_vipa_entry {
int version;
__u8 ip[16];
int flag;
volatile int state;
struct qeth_vipa_entry *next;
};
struct ip_state {
struct in_ifaddr *ip_ifa; /* pointer to IPv4 adresses */
struct inet6_ifaddr *ip6_ifa;
};
struct qeth_ipm_mac {
__u8 mac[ETH_ALEN];
__u8 ip[16];
struct qeth_ipm_mac *next;
};
struct ip_mc_state {
struct qeth_ipm_mac *ipm_ifa;
struct qeth_ipm_mac *ipm6_ifa;
};
struct addr_request {
struct addr_request *next;
int request_type;
__u8 mac[ETH_ALEN];
__u8 ip[16];
};
struct qeth_card_options {
char devname[DEV_NAME_LEN];
volatile int routing_type4;
#ifdef QETH_IPV6
volatile int routing_type6;
#endif /* QETH_IPV6 */
int checksum_type;
int do_prio_queueing;
int default_queue;
int inbound_buffer_count;
int polltime;
char portname[9];
int portno;
int broadcast_mode;
int macaddr_mode;
int ena_ipat;
int fake_broadcast;
int add_hhlen;
int fake_ll;
};
struct qeth_hdr {
__u8 id;
__u8 flags;
__u16 inbound_checksum;
__u32 token;
__u16 length;
__u8 vlan_prio;
__u8 ext_flags;
__u16 vlan_id;
__u16 frame_offset;
__u8 dest_addr[16];
};
struct qeth_ringbuffer_element {
struct sk_buff_head skb_list;
int next_element_to_fill;
} __attribute__ ((packed));
struct qeth_ringbuffer {
struct qdio_buffer buffer[QDIO_MAX_BUFFERS_PER_Q];
struct qeth_ringbuffer_element ringbuf_element[QDIO_MAX_BUFFERS_PER_Q];
}__attribute__ ((packed, aligned(PAGE_SIZE)));
struct qeth_dma_stuff {
unsigned char *sendbuf;
unsigned char *recbuf;
struct ccw1 read_ccw;
struct ccw1 write_ccw;
}__attribute__ ((packed, aligned(PAGE_SIZE)));
struct qeth_perf_stats {
unsigned int skbs_rec;
unsigned int bufs_rec;
unsigned int skbs_sent;
unsigned int bufs_sent;
unsigned int skbs_sent_dont_pack;
unsigned int bufs_sent_dont_pack;
unsigned int skbs_sent_pack;
unsigned int bufs_sent_pack;
unsigned int skbs_sent_pack_better;
unsigned int bufs_sent_pack_better;
unsigned int sc_dp_p;
unsigned int sc_p_dp;
__u64 inbound_start_time;
unsigned int inbound_cnt;
unsigned int inbound_time;
__u64 outbound_start_time;
unsigned int outbound_cnt;
unsigned int outbound_time;
};
/* ugly. I know. */
struct qeth_card { /* pointed to by dev->priv */
/* pointer to options (defaults + parameters) */
struct qeth_card_options options;
atomic_t is_startlaned; /* card did not get a stoplan */
/* also 0 when card is gone after a
* machine check */
__u8 link_type;
int is_guest_lan;
/* inbound buffer management */
atomic_t inbound_buffer_refcnt[QDIO_MAX_BUFFERS_PER_Q];
struct qdio_buffer inbound_qdio_buffers[QDIO_MAX_BUFFERS_PER_Q];
/* inbound data area */
void *inbound_buffer_pool_entry[QDIO_MAX_BUFFERS_PER_Q]
[QDIO_MAX_ELEMENTS_PER_BUFFER];
volatile int inbound_buffer_pool_entry_used[QDIO_MAX_BUFFERS_PER_Q];
int inbound_buffer_entry_no[QDIO_MAX_BUFFERS_PER_Q];
/* for requeueing of buffers */
spinlock_t requeue_input_lock;
atomic_t requeue_position;
atomic_t requeue_counter;
/* outbound QDIO stuff */
volatile int send_state[QETH_MAX_QUEUES];
volatile int outbound_first_free_buffer[QETH_MAX_QUEUES];
atomic_t outbound_used_buffers[QETH_MAX_QUEUES];
int outbound_buffer_send_state[QETH_MAX_QUEUES]
[QDIO_MAX_BUFFERS_PER_Q];
int send_retries[QETH_MAX_QUEUES][QDIO_MAX_BUFFERS_PER_Q];
volatile int outbound_bytes_in_buffer[QETH_MAX_QUEUES];
struct qeth_ringbuffer *outbound_ringbuffer[QETH_MAX_QUEUES];
atomic_t outbound_ringbuffer_lock[QETH_MAX_QUEUES];
atomic_t last_pci_pos[QETH_MAX_QUEUES];
#ifdef QETH_IPV6
int (*hard_header) (struct sk_buff *, struct net_device *,
unsigned short, void *, void *, unsigned);
int (*rebuild_header) (struct sk_buff *);
int (*hard_header_cache) (struct neighbour *, struct hh_cache *);
void (*header_cache_update) (struct hh_cache *, struct net_device *,
unsigned char *);
unsigned short (*type_trans) (struct sk_buff *, struct net_device *);
#endif /* QETH_IPV6 */
#ifdef QETH_VLAN
struct vlan_group *vlangrp;
spinlock_t vlan_lock;
#endif
char dev_name[DEV_NAME_LEN]; /* pointed to by dev->name */
struct net_device *dev;
struct net_device_stats *stats;
int no_queues;
#ifdef QETH_PERFORMANCE_STATS
struct qeth_perf_stats perf_stats;
#endif /* QETH_PERFORMANCE_STATS */
/* our state */
atomic_t is_registered; /* card registered as netdev? */
atomic_t is_hardsetup; /* card has gone through hardsetup */
atomic_t is_softsetup; /* card is setup by softsetup */
atomic_t is_open; /* card is in use */
/* prevents deadlocks :-O */
struct semaphore softsetup_sema;
struct semaphore hardsetup_sema;
spinlock_t ioctl_lock;
atomic_t softsetup_thread_is_running;
struct semaphore softsetup_thread_sem;
struct work_struct tqueue_sst;
atomic_t escape_softsetup; /* active, when recovery has to
wait for softsetup */
struct semaphore reinit_thread_sem;
atomic_t in_recovery;
atomic_t reinit_counter;
/* problem management */
atomic_t break_out;
atomic_t problem;
struct work_struct tqueue;
struct {
__u32 trans_hdr;
__u32 pdu_hdr;
__u32 pdu_hdr_ack;
__u32 ipa;
} seqno;
struct {
__u32 issuer_rm_w;
__u32 issuer_rm_r;
__u32 cm_filter_w;
__u32 cm_filter_r;
__u32 cm_connection_w;
__u32 cm_connection_r;
__u32 ulp_filter_w;
__u32 ulp_filter_r;
__u32 ulp_connection_w;
__u32 ulp_connection_r;
} token;
/* this is card-related */
int type;
__u16 func_level;
int initial_mtu;
int max_mtu;
int inbound_buffer_size;
int is_multicast_different; /* if multicast traffic is to be sent
on a different queue, this is the
queue+no_queues */
__u32 ipa_supported;
__u32 ipa_enabled;
__u32 ipa6_supported;
__u32 ipa6_enabled;
__u32 adp_supported;
__u32 csum_enable_mask;
atomic_t startlan_attempts;
atomic_t enable_routing_attempts4;
atomic_t rt4fld;
#ifdef QETH_IPV6
atomic_t enable_routing_attempts6;
atomic_t rt6fld;
#endif /* QETH_IPV6 */
int unique_id;
/* device and I/O data */
struct ccwgroup_device *gdev;
unsigned short unit_addr2;
unsigned short cula;
unsigned short chpid;
unsigned char ipa_buf[QETH_BUFSIZE];
unsigned char send_buf[QETH_BUFSIZE];
/* IOCTL Stuff */
unsigned char *ioctl_data_buffer;
unsigned char *ioctl_buffer_pointer;
int ioctl_returncode;
int ioctl_buffersize;
int number_of_entries;
atomic_t ioctl_data_has_arrived;
wait_queue_head_t ioctl_wait_q;
/* stuff under 2 gb */
struct qeth_dma_stuff *dma_stuff;
unsigned int ipa_timeout;
atomic_t write_busy;
/* vipa stuff */
rwlock_t vipa_list_lock;
struct qeth_vipa_entry *vipa_list;
/* state information when doing I/O */
atomic_t shutdown_phase;
atomic_t data_has_arrived;
wait_queue_head_t wait_q;
atomic_t clear_succeeded0;
atomic_t clear_succeeded1;
atomic_t clear_succeeded2;
/* bookkeeping of IP and multicast addresses */
struct ip_state ip_current_state;
struct ip_state ip_new_state;
struct ip_mc_state ip_mc_current_state;
struct ip_mc_state ip_mc_new_state;
int broadcast_capable;
int portname_required;
int realloc_message;
char level[QETH_MCL_LENGTH + 1];
volatile int saved_dev_flags;
/* for our linked list */
struct qeth_card *next;
};
inline static int
qeth_get_arphrd_type(int cardtype, int linktype)
{
switch (cardtype) {
case QETH_CARD_TYPE_OSAE:
switch (linktype) {
case QETH_MPC_LINK_TYPE_LANE_TR:
/* fallthrough */
case QETH_MPC_LINK_TYPE_HSTR:
return ARPHRD_IEEE802_TR;
default:
return ARPHRD_ETHER;
}
case QETH_CARD_TYPE_IQD:
return ARPHRD_ETHER;
default:
return ARPHRD_ETHER;
}
}
inline static __u8
qeth_get_adapter_type_for_ipa(int link_type)
{
switch (link_type) {
case QETH_MPC_LINK_TYPE_HSTR:
return 2;
default:
return 1;
}
}
inline static const char *
qeth_get_cardname(int cardtype, int is_guest_lan)
{
if (is_guest_lan) {
switch (cardtype) {
case QETH_CARD_TYPE_UNKNOWN:
return "n unknown";
case QETH_CARD_TYPE_OSAE:
return " Guest LAN QDIO";
case QETH_CARD_TYPE_IQD:
return " Guest LAN Hiper";
default: return
" strange";
}
} else {
switch (cardtype) {
case QETH_CARD_TYPE_UNKNOWN:
return "n unknown";
case QETH_CARD_TYPE_OSAE:
return "n OSD Express";
case QETH_CARD_TYPE_IQD:
return " HiperSockets";
default:
return " strange";
}
}
}
/* max length to be returned: 14 */
inline static const char *
qeth_get_cardname_short(int cardtype, __u8 link_type, int is_guest_lan)
{
switch (cardtype) {
case QETH_CARD_TYPE_UNKNOWN:
return "unknown";
case QETH_CARD_TYPE_OSAE:
if (is_guest_lan)
return "GuestLAN QDIO";
switch (link_type) {
case QETH_MPC_LINK_TYPE_FAST_ETHERNET:
return "OSD_100";
case QETH_MPC_LINK_TYPE_HSTR:
return "HSTR";
case QETH_MPC_LINK_TYPE_GIGABIT_ETHERNET:
return "OSD_1000";
case QETH_MPC_LINK_TYPE_LANE_ETH100:
return "OSD_FE_LANE";
case QETH_MPC_LINK_TYPE_LANE_TR:
return "OSD_TR_LANE";
case QETH_MPC_LINK_TYPE_LANE_ETH1000:
return "OSD_GbE_LANE";
case QETH_MPC_LINK_TYPE_LANE:
return "OSD_ATM_LANE";
default:
return "OSD_Express";
}
case QETH_CARD_TYPE_IQD:
return is_guest_lan ? "GuestLAN Hiper" : "HiperSockets";
default:
return " strange";
}
}
inline static int
qeth_mtu_is_valid(struct qeth_card * card, int mtu)
{
switch (card->type) {
case QETH_CARD_TYPE_UNKNOWN:
return 1;
case QETH_CARD_TYPE_OSAE:
return ((mtu >= 576) && (mtu <= 61440));
case QETH_CARD_TYPE_IQD:
return ((mtu >= 576) && (mtu <= card->max_mtu + 4096 - 32));
default:
return 1;
}
}
inline static int
qeth_get_initial_mtu_for_card(struct qeth_card * card)
{
switch (card->type) {
case QETH_CARD_TYPE_UNKNOWN:
return 1500;
case QETH_CARD_TYPE_IQD:
return card->max_mtu;
case QETH_CARD_TYPE_OSAE:
switch (card->link_type) {
case QETH_MPC_LINK_TYPE_HSTR:
case QETH_MPC_LINK_TYPE_LANE_TR:
return 2000;
default:
return 1492;
}
default:
return 1500;
}
}
inline static int
qeth_get_max_mtu_for_card(int cardtype)
{
switch (cardtype) {
case QETH_CARD_TYPE_UNKNOWN:
return 61440;
case QETH_CARD_TYPE_OSAE:
return 61440;
case QETH_CARD_TYPE_IQD:
return 57344;
default:
return 1500;
}
}
inline static int
qeth_get_mtu_out_of_mpc(int cardtype)
{
switch (cardtype) {
case QETH_CARD_TYPE_IQD:
return 1;
default:
return 0;
}
}
inline static int
qeth_get_mtu_outof_framesize(int framesize)
{
switch (framesize) {
case 0x4000:
return 8192;
case 0x6000:
return 16384;
case 0xa000:
return 32768;
case 0xffff:
return 57344;
default:
return 0;
}
}
inline static int
qeth_get_buffersize_for_card(int cardtype)
{
switch (cardtype) {
case QETH_CARD_TYPE_UNKNOWN:
return 65536;
case QETH_CARD_TYPE_OSAE:
return 65536;
case QETH_CARD_TYPE_IQD:
return 16384;
default:
return 65536;
}
}
inline static int
qeth_get_min_number_of_buffers(int cardtype)
{
switch (cardtype) {
case QETH_CARD_TYPE_UNKNOWN:
return 32;
case QETH_CARD_TYPE_OSAE:
return 32;
case QETH_CARD_TYPE_IQD:
return 64;
default:
return 64;
}
}
inline static int
qeth_get_q_format(int cardtype)
{
switch (cardtype) {
case QETH_CARD_TYPE_IQD:
return 2;
default:
return 0;
}
}
inline static int
qeth_get_device_tx_q_len(int cardtype)
{
return 100;
}
inline static int
qeth_get_max_number_of_buffers(int cardtype)
{
return 127;
}
/******************** OUTPUT FACILITIES **************************/
#ifdef PRINT_INFO
#undef PRINTK_HEADER
#undef PRINT_STUPID
#undef PRINT_ALL
#undef PRINT_INFO
#undef PRINT_WARN
#undef PRINT_ERR
#undef PRINT_CRIT
#undef PRINT_ALERT
#undef PRINT_EMERG
#endif /* PRINT_INFO */
#define PRINTK_HEADER QETH_NAME ": "
#if QETH_VERBOSE_LEVEL>8
#define PRINT_STUPID(x...) printk( KERN_DEBUG PRINTK_HEADER x)
#else
#define PRINT_STUPID(x...)
#endif
#if QETH_VERBOSE_LEVEL>7
#define PRINT_ALL(x...) printk( KERN_DEBUG PRINTK_HEADER x)
#else
#define PRINT_ALL(x...)
#endif
#if QETH_VERBOSE_LEVEL>6
#define PRINT_INFO(x...) printk( KERN_INFO PRINTK_HEADER x)
#else
#define PRINT_INFO(x...)
#endif
#if QETH_VERBOSE_LEVEL>5
#define PRINT_WARN(x...) printk( KERN_WARNING PRINTK_HEADER x)
#else
#define PRINT_WARN(x...)
#endif
#if QETH_VERBOSE_LEVEL>4
#define PRINT_ERR(x...) printk( KERN_ERR PRINTK_HEADER x)
#else
#define PRINT_ERR(x...)
#endif
#if QETH_VERBOSE_LEVEL>3
#define PRINT_CRIT(x...) printk( KERN_CRIT PRINTK_HEADER x)
#else
#define PRINT_CRIT(x...)
#endif
#if QETH_VERBOSE_LEVEL>2
#define PRINT_ALERT(x...) printk( KERN_ALERT PRINTK_HEADER x)
#else
#define PRINT_ALERT(x...)
#endif
#if QETH_VERBOSE_LEVEL>1
#define PRINT_EMERG(x...) printk( KERN_EMERG PRINTK_HEADER x)
#else
#define PRINT_EMERG(x...)
#endif
#define HEXDUMP16(importance,header,ptr) \
PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
"%02x %02x %02x %02x %02x %02x %02x %02x\n", \
*(((char*)ptr)),*(((char*)ptr)+1),*(((char*)ptr)+2), \
*(((char*)ptr)+3),*(((char*)ptr)+4),*(((char*)ptr)+5), \
*(((char*)ptr)+6),*(((char*)ptr)+7),*(((char*)ptr)+8), \
*(((char*)ptr)+9),*(((char*)ptr)+10),*(((char*)ptr)+11), \
*(((char*)ptr)+12),*(((char*)ptr)+13), \
*(((char*)ptr)+14),*(((char*)ptr)+15)); \
PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
"%02x %02x %02x %02x %02x %02x %02x %02x\n", \
*(((char*)ptr)+16),*(((char*)ptr)+17), \
*(((char*)ptr)+18),*(((char*)ptr)+19), \
*(((char*)ptr)+20),*(((char*)ptr)+21), \
*(((char*)ptr)+22),*(((char*)ptr)+23), \
*(((char*)ptr)+24),*(((char*)ptr)+25), \
*(((char*)ptr)+26),*(((char*)ptr)+27), \
*(((char*)ptr)+28),*(((char*)ptr)+29), \
*(((char*)ptr)+30),*(((char*)ptr)+31));
#endif /* __QETH_H__ */
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