1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 24a71df50SFrank Blaschka /* 34a71df50SFrank Blaschka * Copyright IBM Corp. 2007 44a71df50SFrank Blaschka * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, 54a71df50SFrank Blaschka * Frank Pavlic <fpavlic@de.ibm.com>, 64a71df50SFrank Blaschka * Thomas Spatzier <tspat@de.ibm.com>, 74a71df50SFrank Blaschka * Frank Blaschka <frank.blaschka@de.ibm.com> 84a71df50SFrank Blaschka */ 94a71df50SFrank Blaschka 104a71df50SFrank Blaschka #ifndef __QETH_CORE_H__ 114a71df50SFrank Blaschka #define __QETH_CORE_H__ 124a71df50SFrank Blaschka 134a71df50SFrank Blaschka #include <linux/if.h> 144a71df50SFrank Blaschka #include <linux/if_arp.h> 154a71df50SFrank Blaschka #include <linux/etherdevice.h> 164a71df50SFrank Blaschka #include <linux/if_vlan.h> 174a71df50SFrank Blaschka #include <linux/ctype.h> 184a71df50SFrank Blaschka #include <linux/in6.h> 194a71df50SFrank Blaschka #include <linux/bitops.h> 204a71df50SFrank Blaschka #include <linux/seq_file.h> 214a71df50SFrank Blaschka #include <linux/ethtool.h> 22fe5c8028SLakhvich Dmitriy #include <linux/hashtable.h> 2341aeed58SEugene Crosser #include <linux/ip.h> 24ae695927SElena Reshetova #include <linux/refcount.h> 254a71df50SFrank Blaschka 264a71df50SFrank Blaschka #include <net/ipv6.h> 274a71df50SFrank Blaschka #include <net/if_inet6.h> 284a71df50SFrank Blaschka #include <net/addrconf.h> 294a71df50SFrank Blaschka 304a71df50SFrank Blaschka #include <asm/debug.h> 314a71df50SFrank Blaschka #include <asm/qdio.h> 324a71df50SFrank Blaschka #include <asm/ccwdev.h> 334a71df50SFrank Blaschka #include <asm/ccwgroup.h> 346bcac508SMartin Schwidefsky #include <asm/sysinfo.h> 354a71df50SFrank Blaschka 364a71df50SFrank Blaschka #include "qeth_core_mpc.h" 374a71df50SFrank Blaschka 384a71df50SFrank Blaschka /** 394a71df50SFrank Blaschka * Debug Facility stuff 404a71df50SFrank Blaschka */ 41d11ba0c4SPeter Tiedemann enum qeth_dbf_names { 42d11ba0c4SPeter Tiedemann QETH_DBF_SETUP, 43d11ba0c4SPeter Tiedemann QETH_DBF_MSG, 44d11ba0c4SPeter Tiedemann QETH_DBF_CTRL, 45d11ba0c4SPeter Tiedemann QETH_DBF_INFOS /* must be last element */ 46d11ba0c4SPeter Tiedemann }; 474a71df50SFrank Blaschka 48d11ba0c4SPeter Tiedemann struct qeth_dbf_info { 49d11ba0c4SPeter Tiedemann char name[DEBUG_MAX_NAME_LEN]; 50d11ba0c4SPeter Tiedemann int pages; 51d11ba0c4SPeter Tiedemann int areas; 52d11ba0c4SPeter Tiedemann int len; 53d11ba0c4SPeter Tiedemann int level; 54d11ba0c4SPeter Tiedemann struct debug_view *view; 55d11ba0c4SPeter Tiedemann debug_info_t *id; 56d11ba0c4SPeter Tiedemann }; 574a71df50SFrank Blaschka 58d11ba0c4SPeter Tiedemann #define QETH_DBF_CTRL_LEN 256 594a71df50SFrank Blaschka 604a71df50SFrank Blaschka #define QETH_DBF_TEXT(name, level, text) \ 61d11ba0c4SPeter Tiedemann debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text) 624a71df50SFrank Blaschka 634a71df50SFrank Blaschka #define QETH_DBF_HEX(name, level, addr, len) \ 64d11ba0c4SPeter Tiedemann debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len) 65d11ba0c4SPeter Tiedemann 66d11ba0c4SPeter Tiedemann #define QETH_DBF_MESSAGE(level, text...) \ 67d11ba0c4SPeter Tiedemann debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text) 68d11ba0c4SPeter Tiedemann 69d11ba0c4SPeter Tiedemann #define QETH_DBF_TEXT_(name, level, text...) \ 708e96c51cSCarsten Otte qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text) 714a71df50SFrank Blaschka 72af039068SCarsten Otte #define QETH_CARD_TEXT(card, level, text) \ 73af039068SCarsten Otte debug_text_event(card->debug, level, text) 74af039068SCarsten Otte 75af039068SCarsten Otte #define QETH_CARD_HEX(card, level, addr, len) \ 76af039068SCarsten Otte debug_event(card->debug, level, (void *)(addr), len) 77af039068SCarsten Otte 78af039068SCarsten Otte #define QETH_CARD_MESSAGE(card, text...) \ 79af039068SCarsten Otte debug_sprintf_event(card->debug, level, text) 80af039068SCarsten Otte 81af039068SCarsten Otte #define QETH_CARD_TEXT_(card, level, text...) \ 82af039068SCarsten Otte qeth_dbf_longtext(card->debug, level, text) 83af039068SCarsten Otte 844a71df50SFrank Blaschka #define SENSE_COMMAND_REJECT_BYTE 0 854a71df50SFrank Blaschka #define SENSE_COMMAND_REJECT_FLAG 0x80 864a71df50SFrank Blaschka #define SENSE_RESETTING_EVENT_BYTE 1 874a71df50SFrank Blaschka #define SENSE_RESETTING_EVENT_FLAG 0x80 884a71df50SFrank Blaschka 894a71df50SFrank Blaschka /* 904a71df50SFrank Blaschka * Common IO related definitions 914a71df50SFrank Blaschka */ 924a71df50SFrank Blaschka #define CARD_RDEV(card) card->read.ccwdev 934a71df50SFrank Blaschka #define CARD_WDEV(card) card->write.ccwdev 944a71df50SFrank Blaschka #define CARD_DDEV(card) card->data.ccwdev 952a0217d5SKay Sievers #define CARD_BUS_ID(card) dev_name(&card->gdev->dev) 962a0217d5SKay Sievers #define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) 972a0217d5SKay Sievers #define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) 982a0217d5SKay Sievers #define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) 992a0217d5SKay Sievers #define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) 1004a71df50SFrank Blaschka 1014a71df50SFrank Blaschka /** 1024a71df50SFrank Blaschka * card stuff 1034a71df50SFrank Blaschka */ 1044a71df50SFrank Blaschka struct qeth_perf_stats { 1054a71df50SFrank Blaschka unsigned int bufs_rec; 1064a71df50SFrank Blaschka unsigned int bufs_sent; 1074a71df50SFrank Blaschka 1084a71df50SFrank Blaschka unsigned int skbs_sent_pack; 1094a71df50SFrank Blaschka unsigned int bufs_sent_pack; 1104a71df50SFrank Blaschka 1114a71df50SFrank Blaschka unsigned int sc_dp_p; 1124a71df50SFrank Blaschka unsigned int sc_p_dp; 1130da9581dSEinar Lueck /* qdio_cq_handler: number of times called, time spent in */ 1140da9581dSEinar Lueck __u64 cq_start_time; 1150da9581dSEinar Lueck unsigned int cq_cnt; 1160da9581dSEinar Lueck unsigned int cq_time; 1174a71df50SFrank Blaschka /* qdio_input_handler: number of times called, time spent in */ 1184a71df50SFrank Blaschka __u64 inbound_start_time; 1194a71df50SFrank Blaschka unsigned int inbound_cnt; 1204a71df50SFrank Blaschka unsigned int inbound_time; 1214a71df50SFrank Blaschka /* qeth_send_packet: number of times called, time spent in */ 1224a71df50SFrank Blaschka __u64 outbound_start_time; 1234a71df50SFrank Blaschka unsigned int outbound_cnt; 1244a71df50SFrank Blaschka unsigned int outbound_time; 1254a71df50SFrank Blaschka /* qdio_output_handler: number of times called, time spent in */ 1264a71df50SFrank Blaschka __u64 outbound_handler_start_time; 1274a71df50SFrank Blaschka unsigned int outbound_handler_cnt; 1284a71df50SFrank Blaschka unsigned int outbound_handler_time; 1294a71df50SFrank Blaschka /* number of calls to and time spent in do_QDIO for inbound queue */ 1304a71df50SFrank Blaschka __u64 inbound_do_qdio_start_time; 1314a71df50SFrank Blaschka unsigned int inbound_do_qdio_cnt; 1324a71df50SFrank Blaschka unsigned int inbound_do_qdio_time; 1334a71df50SFrank Blaschka /* number of calls to and time spent in do_QDIO for outbound queues */ 1344a71df50SFrank Blaschka __u64 outbound_do_qdio_start_time; 1354a71df50SFrank Blaschka unsigned int outbound_do_qdio_cnt; 1364a71df50SFrank Blaschka unsigned int outbound_do_qdio_time; 1374a71df50SFrank Blaschka unsigned int large_send_bytes; 1384a71df50SFrank Blaschka unsigned int large_send_cnt; 1394a71df50SFrank Blaschka unsigned int sg_skbs_sent; 1404a71df50SFrank Blaschka unsigned int sg_frags_sent; 1414a71df50SFrank Blaschka /* initial values when measuring starts */ 1424a71df50SFrank Blaschka unsigned long initial_rx_packets; 1434a71df50SFrank Blaschka unsigned long initial_tx_packets; 1444a71df50SFrank Blaschka /* inbound scatter gather data */ 1454a71df50SFrank Blaschka unsigned int sg_skbs_rx; 1464a71df50SFrank Blaschka unsigned int sg_frags_rx; 1474a71df50SFrank Blaschka unsigned int sg_alloc_page_rx; 148f61a0d05SFrank Blaschka unsigned int tx_csum; 149c3b4a740SFrank Blaschka unsigned int tx_lin; 1506059c905SEugene Crosser unsigned int tx_linfail; 1514a71df50SFrank Blaschka }; 1524a71df50SFrank Blaschka 1534a71df50SFrank Blaschka /* Routing stuff */ 1544a71df50SFrank Blaschka struct qeth_routing_info { 1554a71df50SFrank Blaschka enum qeth_routing_types type; 1564a71df50SFrank Blaschka }; 1574a71df50SFrank Blaschka 1584a71df50SFrank Blaschka /* IPA stuff */ 1594a71df50SFrank Blaschka struct qeth_ipa_info { 1604a71df50SFrank Blaschka __u32 supported_funcs; 1614a71df50SFrank Blaschka __u32 enabled_funcs; 1624a71df50SFrank Blaschka }; 1634a71df50SFrank Blaschka 164b4d72c08SEugene Crosser /* SETBRIDGEPORT stuff */ 165b4d72c08SEugene Crosser enum qeth_sbp_roles { 166b4d72c08SEugene Crosser QETH_SBP_ROLE_NONE = 0, 167b4d72c08SEugene Crosser QETH_SBP_ROLE_PRIMARY = 1, 168b4d72c08SEugene Crosser QETH_SBP_ROLE_SECONDARY = 2, 169b4d72c08SEugene Crosser }; 170b4d72c08SEugene Crosser 171b4d72c08SEugene Crosser enum qeth_sbp_states { 172b4d72c08SEugene Crosser QETH_SBP_STATE_INACTIVE = 0, 173b4d72c08SEugene Crosser QETH_SBP_STATE_STANDBY = 1, 174b4d72c08SEugene Crosser QETH_SBP_STATE_ACTIVE = 2, 175b4d72c08SEugene Crosser }; 176b4d72c08SEugene Crosser 1779f48b9dbSEugene Crosser #define QETH_SBP_HOST_NOTIFICATION 1 1789f48b9dbSEugene Crosser 179b4d72c08SEugene Crosser struct qeth_sbp_info { 180b4d72c08SEugene Crosser __u32 supported_funcs; 181b4d72c08SEugene Crosser enum qeth_sbp_roles role; 1829f48b9dbSEugene Crosser __u32 hostnotification:1; 1830db587b0SEugene Crosser __u32 reflect_promisc:1; 1840db587b0SEugene Crosser __u32 reflect_promisc_primary:1; 185b4d72c08SEugene Crosser }; 186b4d72c08SEugene Crosser 187a45b3fafSHans Wippel struct qeth_vnicc_info { 188a45b3fafSHans Wippel /* supported/currently configured VNICCs; updated in IPA exchanges */ 189a45b3fafSHans Wippel u32 sup_chars; 190a45b3fafSHans Wippel u32 cur_chars; 191caa1f0b1SHans Wippel /* supported commands: bitmasks which VNICCs support respective cmd */ 192caa1f0b1SHans Wippel u32 set_char_sup; 193349d13d5SHans Wippel u32 getset_timeout_sup; 194349d13d5SHans Wippel /* timeout value for the learning characteristic */ 195349d13d5SHans Wippel u32 learning_timeout; 196caa1f0b1SHans Wippel /* characteristics wanted/configured by user */ 197caa1f0b1SHans Wippel u32 wanted_chars; 198caa1f0b1SHans Wippel /* has user explicitly enabled rx_bcast while online? */ 199caa1f0b1SHans Wippel bool rx_bcast_enabled; 200a45b3fafSHans Wippel }; 201a45b3fafSHans Wippel 2024a71df50SFrank Blaschka static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa, 2034a71df50SFrank Blaschka enum qeth_ipa_funcs func) 2044a71df50SFrank Blaschka { 2054a71df50SFrank Blaschka return (ipa->supported_funcs & func); 2064a71df50SFrank Blaschka } 2074a71df50SFrank Blaschka 2084a71df50SFrank Blaschka static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa, 2094a71df50SFrank Blaschka enum qeth_ipa_funcs func) 2104a71df50SFrank Blaschka { 2114a71df50SFrank Blaschka return (ipa->supported_funcs & ipa->enabled_funcs & func); 2124a71df50SFrank Blaschka } 2134a71df50SFrank Blaschka 2144a71df50SFrank Blaschka #define qeth_adp_supported(c, f) \ 2154a71df50SFrank Blaschka qeth_is_ipa_supported(&c->options.adp, f) 2164a71df50SFrank Blaschka #define qeth_adp_enabled(c, f) \ 2174a71df50SFrank Blaschka qeth_is_ipa_enabled(&c->options.adp, f) 2184a71df50SFrank Blaschka #define qeth_is_supported(c, f) \ 2194a71df50SFrank Blaschka qeth_is_ipa_supported(&c->options.ipa4, f) 2204a71df50SFrank Blaschka #define qeth_is_enabled(c, f) \ 2214a71df50SFrank Blaschka qeth_is_ipa_enabled(&c->options.ipa4, f) 2224a71df50SFrank Blaschka #define qeth_is_supported6(c, f) \ 2234a71df50SFrank Blaschka qeth_is_ipa_supported(&c->options.ipa6, f) 2244a71df50SFrank Blaschka #define qeth_is_enabled6(c, f) \ 2254a71df50SFrank Blaschka qeth_is_ipa_enabled(&c->options.ipa6, f) 2264a71df50SFrank Blaschka #define qeth_is_ipafunc_supported(c, prot, f) \ 2274a71df50SFrank Blaschka ((prot == QETH_PROT_IPV6) ? \ 2284a71df50SFrank Blaschka qeth_is_supported6(c, f) : qeth_is_supported(c, f)) 2294a71df50SFrank Blaschka #define qeth_is_ipafunc_enabled(c, prot, f) \ 2304a71df50SFrank Blaschka ((prot == QETH_PROT_IPV6) ? \ 2314a71df50SFrank Blaschka qeth_is_enabled6(c, f) : qeth_is_enabled(c, f)) 2324a71df50SFrank Blaschka 2335113fec0SUrsula Braun #define QETH_IDX_FUNC_LEVEL_OSD 0x0101 2346298263aSKlaus-Dieter Wacker #define QETH_IDX_FUNC_LEVEL_IQD 0x4108 2354a71df50SFrank Blaschka 2364a71df50SFrank Blaschka #define QETH_BUFSIZE 4096 2374a71df50SFrank Blaschka 2384a71df50SFrank Blaschka /** 2394a71df50SFrank Blaschka * some more defs 2404a71df50SFrank Blaschka */ 2414a71df50SFrank Blaschka #define QETH_TX_TIMEOUT 100 * HZ 2424a71df50SFrank Blaschka #define QETH_RCD_TIMEOUT 60 * HZ 243b3332930SFrank Blaschka #define QETH_RECLAIM_WORK_TIME HZ 2444a71df50SFrank Blaschka #define QETH_MAX_PORTNO 15 2454a71df50SFrank Blaschka 2464a71df50SFrank Blaschka /*IPv6 address autoconfiguration stuff*/ 2474a71df50SFrank Blaschka #define UNIQUE_ID_IF_CREATE_ADDR_FAILED 0xfffe 2484a71df50SFrank Blaschka #define UNIQUE_ID_NOT_BY_CARD 0x10000 2494a71df50SFrank Blaschka 2504a71df50SFrank Blaschka /*****************************************************************************/ 2514a71df50SFrank Blaschka /* QDIO queue and buffer handling */ 2524a71df50SFrank Blaschka /*****************************************************************************/ 2534a71df50SFrank Blaschka #define QETH_MAX_QUEUES 4 2544a71df50SFrank Blaschka #define QETH_IN_BUF_SIZE_DEFAULT 65536 255dcf4ae2dSFrank Blaschka #define QETH_IN_BUF_COUNT_DEFAULT 64 256dcf4ae2dSFrank Blaschka #define QETH_IN_BUF_COUNT_HSDEFAULT 128 2574a71df50SFrank Blaschka #define QETH_IN_BUF_COUNT_MIN 8 2584a71df50SFrank Blaschka #define QETH_IN_BUF_COUNT_MAX 128 2594a71df50SFrank Blaschka #define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12) 2604a71df50SFrank Blaschka #define QETH_IN_BUF_REQUEUE_THRESHOLD(card) \ 2610284a0fdSEinar Lueck ((card)->qdio.in_buf_pool.buf_count / 2) 2624a71df50SFrank Blaschka 2634a71df50SFrank Blaschka /* buffers we have to be behind before we get a PCI */ 2644a71df50SFrank Blaschka #define QETH_PCI_THRESHOLD_A(card) ((card)->qdio.in_buf_pool.buf_count+1) 2654a71df50SFrank Blaschka /*enqueued free buffers left before we get a PCI*/ 2664a71df50SFrank Blaschka #define QETH_PCI_THRESHOLD_B(card) 0 2674a71df50SFrank Blaschka /*not used unless the microcode gets patched*/ 2684a71df50SFrank Blaschka #define QETH_PCI_TIMER_VALUE(card) 3 2694a71df50SFrank Blaschka 2704a71df50SFrank Blaschka /* priority queing */ 2714a71df50SFrank Blaschka #define QETH_PRIOQ_DEFAULT QETH_NO_PRIO_QUEUEING 2724a71df50SFrank Blaschka #define QETH_DEFAULT_QUEUE 2 2734a71df50SFrank Blaschka #define QETH_NO_PRIO_QUEUEING 0 2744a71df50SFrank Blaschka #define QETH_PRIO_Q_ING_PREC 1 2754a71df50SFrank Blaschka #define QETH_PRIO_Q_ING_TOS 2 276d66cb37eSStefan Raspl #define QETH_PRIO_Q_ING_SKB 3 277d66cb37eSStefan Raspl #define QETH_PRIO_Q_ING_VLAN 4 2784a71df50SFrank Blaschka 2794a71df50SFrank Blaschka /* Packing */ 2804a71df50SFrank Blaschka #define QETH_LOW_WATERMARK_PACK 2 2814a71df50SFrank Blaschka #define QETH_HIGH_WATERMARK_PACK 5 2824a71df50SFrank Blaschka #define QETH_WATERMARK_PACK_FUZZ 1 2834a71df50SFrank Blaschka 2844a71df50SFrank Blaschka /* large receive scatter gather copy break */ 2854a71df50SFrank Blaschka #define QETH_RX_SG_CB (PAGE_SIZE >> 1) 286b3332930SFrank Blaschka #define QETH_RX_PULL_LEN 256 2874a71df50SFrank Blaschka 2884a71df50SFrank Blaschka struct qeth_hdr_layer3 { 2894a71df50SFrank Blaschka __u8 id; 2904a71df50SFrank Blaschka __u8 flags; 2914a71df50SFrank Blaschka __u16 inbound_checksum; /*TSO:__u16 seqno */ 2924a71df50SFrank Blaschka __u32 token; /*TSO: __u32 reserved */ 2934a71df50SFrank Blaschka __u16 length; 2944a71df50SFrank Blaschka __u8 vlan_prio; 2954a71df50SFrank Blaschka __u8 ext_flags; 2964a71df50SFrank Blaschka __u16 vlan_id; 2974a71df50SFrank Blaschka __u16 frame_offset; 298a843383aSJulian Wiedmann union { 299a843383aSJulian Wiedmann /* TX: */ 300a843383aSJulian Wiedmann u8 ipv6_addr[16]; 301a843383aSJulian Wiedmann struct ipv4 { 302a843383aSJulian Wiedmann u8 res[12]; 303a843383aSJulian Wiedmann u32 addr; 304a843383aSJulian Wiedmann } ipv4; 305a843383aSJulian Wiedmann /* RX: */ 306a843383aSJulian Wiedmann struct rx { 307a843383aSJulian Wiedmann u8 res1[2]; 308a843383aSJulian Wiedmann u8 src_mac[6]; 309a843383aSJulian Wiedmann u8 res2[4]; 310a843383aSJulian Wiedmann u16 vlan_id; 311a843383aSJulian Wiedmann u8 res3[2]; 312a843383aSJulian Wiedmann } rx; 313a843383aSJulian Wiedmann } next_hop; 314a843383aSJulian Wiedmann }; 3154a71df50SFrank Blaschka 3164a71df50SFrank Blaschka struct qeth_hdr_layer2 { 3174a71df50SFrank Blaschka __u8 id; 3184a71df50SFrank Blaschka __u8 flags[3]; 3194a71df50SFrank Blaschka __u8 port_no; 3204a71df50SFrank Blaschka __u8 hdr_length; 3214a71df50SFrank Blaschka __u16 pkt_length; 3224a71df50SFrank Blaschka __u16 seq_no; 3234a71df50SFrank Blaschka __u16 vlan_id; 3244a71df50SFrank Blaschka __u32 reserved; 3254a71df50SFrank Blaschka __u8 reserved2[16]; 3264a71df50SFrank Blaschka } __attribute__ ((packed)); 3274a71df50SFrank Blaschka 3284a71df50SFrank Blaschka struct qeth_hdr_osn { 3294a71df50SFrank Blaschka __u8 id; 3304a71df50SFrank Blaschka __u8 reserved; 3314a71df50SFrank Blaschka __u16 seq_no; 3324a71df50SFrank Blaschka __u16 reserved2; 3334a71df50SFrank Blaschka __u16 control_flags; 3344a71df50SFrank Blaschka __u16 pdu_length; 3354a71df50SFrank Blaschka __u8 reserved3[18]; 3364a71df50SFrank Blaschka __u32 ccid; 3374a71df50SFrank Blaschka } __attribute__ ((packed)); 3384a71df50SFrank Blaschka 3394a71df50SFrank Blaschka struct qeth_hdr { 3404a71df50SFrank Blaschka union { 3414a71df50SFrank Blaschka struct qeth_hdr_layer2 l2; 3424a71df50SFrank Blaschka struct qeth_hdr_layer3 l3; 3434a71df50SFrank Blaschka struct qeth_hdr_osn osn; 3444a71df50SFrank Blaschka } hdr; 3454a71df50SFrank Blaschka } __attribute__ ((packed)); 3464a71df50SFrank Blaschka 3474a71df50SFrank Blaschka /*TCP Segmentation Offload header*/ 3484a71df50SFrank Blaschka struct qeth_hdr_ext_tso { 3494a71df50SFrank Blaschka __u16 hdr_tot_len; 3504a71df50SFrank Blaschka __u8 imb_hdr_no; 3514a71df50SFrank Blaschka __u8 reserved; 3524a71df50SFrank Blaschka __u8 hdr_type; 3534a71df50SFrank Blaschka __u8 hdr_version; 3544a71df50SFrank Blaschka __u16 hdr_len; 3554a71df50SFrank Blaschka __u32 payload_len; 3564a71df50SFrank Blaschka __u16 mss; 3574a71df50SFrank Blaschka __u16 dg_hdr_len; 3584a71df50SFrank Blaschka __u8 padding[16]; 3594a71df50SFrank Blaschka } __attribute__ ((packed)); 3604a71df50SFrank Blaschka 3614a71df50SFrank Blaschka struct qeth_hdr_tso { 3624a71df50SFrank Blaschka struct qeth_hdr hdr; /*hdr->hdr.l3.xxx*/ 3634a71df50SFrank Blaschka struct qeth_hdr_ext_tso ext; 3644a71df50SFrank Blaschka } __attribute__ ((packed)); 3654a71df50SFrank Blaschka 3664a71df50SFrank Blaschka 3674a71df50SFrank Blaschka /* flags for qeth_hdr.flags */ 3684a71df50SFrank Blaschka #define QETH_HDR_PASSTHRU 0x10 3694a71df50SFrank Blaschka #define QETH_HDR_IPV6 0x80 3704a71df50SFrank Blaschka #define QETH_HDR_CAST_MASK 0x07 3714a71df50SFrank Blaschka enum qeth_cast_flags { 3724a71df50SFrank Blaschka QETH_CAST_UNICAST = 0x06, 3734a71df50SFrank Blaschka QETH_CAST_MULTICAST = 0x04, 3744a71df50SFrank Blaschka QETH_CAST_BROADCAST = 0x05, 3754a71df50SFrank Blaschka QETH_CAST_ANYCAST = 0x07, 3764a71df50SFrank Blaschka QETH_CAST_NOCAST = 0x00, 3774a71df50SFrank Blaschka }; 3784a71df50SFrank Blaschka 3794a71df50SFrank Blaschka enum qeth_layer2_frame_flags { 3804a71df50SFrank Blaschka QETH_LAYER2_FLAG_MULTICAST = 0x01, 3814a71df50SFrank Blaschka QETH_LAYER2_FLAG_BROADCAST = 0x02, 3824a71df50SFrank Blaschka QETH_LAYER2_FLAG_UNICAST = 0x04, 3834a71df50SFrank Blaschka QETH_LAYER2_FLAG_VLAN = 0x10, 3844a71df50SFrank Blaschka }; 3854a71df50SFrank Blaschka 3864a71df50SFrank Blaschka enum qeth_header_ids { 3874a71df50SFrank Blaschka QETH_HEADER_TYPE_LAYER3 = 0x01, 3884a71df50SFrank Blaschka QETH_HEADER_TYPE_LAYER2 = 0x02, 3894a71df50SFrank Blaschka QETH_HEADER_TYPE_TSO = 0x03, 3904a71df50SFrank Blaschka QETH_HEADER_TYPE_OSN = 0x04, 3914a71df50SFrank Blaschka }; 3924a71df50SFrank Blaschka /* flags for qeth_hdr.ext_flags */ 3934a71df50SFrank Blaschka #define QETH_HDR_EXT_VLAN_FRAME 0x01 3944a71df50SFrank Blaschka #define QETH_HDR_EXT_TOKEN_ID 0x02 3954a71df50SFrank Blaschka #define QETH_HDR_EXT_INCLUDE_VLAN_TAG 0x04 3964a71df50SFrank Blaschka #define QETH_HDR_EXT_SRC_MAC_ADDR 0x08 3974a71df50SFrank Blaschka #define QETH_HDR_EXT_CSUM_HDR_REQ 0x10 3984a71df50SFrank Blaschka #define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20 399f6b85b6cSFrank Blaschka #define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/ 4004a71df50SFrank Blaschka 4014a71df50SFrank Blaschka enum qeth_qdio_buffer_states { 4024a71df50SFrank Blaschka /* 4034a71df50SFrank Blaschka * inbound: read out by driver; owned by hardware in order to be filled 4044a71df50SFrank Blaschka * outbound: owned by driver in order to be filled 4054a71df50SFrank Blaschka */ 4064a71df50SFrank Blaschka QETH_QDIO_BUF_EMPTY, 4074a71df50SFrank Blaschka /* 4084a71df50SFrank Blaschka * inbound: filled by hardware; owned by driver in order to be read out 4094a71df50SFrank Blaschka * outbound: filled by driver; owned by hardware in order to be sent 4104a71df50SFrank Blaschka */ 4114a71df50SFrank Blaschka QETH_QDIO_BUF_PRIMED, 4120da9581dSEinar Lueck /* 4130da9581dSEinar Lueck * inbound: not applicable 414b3332930SFrank Blaschka * outbound: identified to be pending in TPQ 415b3332930SFrank Blaschka */ 416b3332930SFrank Blaschka QETH_QDIO_BUF_PENDING, 417b3332930SFrank Blaschka /* 418b3332930SFrank Blaschka * inbound: not applicable 419b3332930SFrank Blaschka * outbound: found in completion queue 420b3332930SFrank Blaschka */ 421b3332930SFrank Blaschka QETH_QDIO_BUF_IN_CQ, 422b3332930SFrank Blaschka /* 423b3332930SFrank Blaschka * inbound: not applicable 4240da9581dSEinar Lueck * outbound: handled via transfer pending / completion queue 4250da9581dSEinar Lueck */ 4260da9581dSEinar Lueck QETH_QDIO_BUF_HANDLED_DELAYED, 4274a71df50SFrank Blaschka }; 4284a71df50SFrank Blaschka 4294a71df50SFrank Blaschka enum qeth_qdio_info_states { 4304a71df50SFrank Blaschka QETH_QDIO_UNINITIALIZED, 4314a71df50SFrank Blaschka QETH_QDIO_ALLOCATED, 4324a71df50SFrank Blaschka QETH_QDIO_ESTABLISHED, 4334a71df50SFrank Blaschka QETH_QDIO_CLEANING 4344a71df50SFrank Blaschka }; 4354a71df50SFrank Blaschka 4364a71df50SFrank Blaschka struct qeth_buffer_pool_entry { 4374a71df50SFrank Blaschka struct list_head list; 4384a71df50SFrank Blaschka struct list_head init_list; 4394a71df50SFrank Blaschka void *elements[QDIO_MAX_ELEMENTS_PER_BUFFER]; 4404a71df50SFrank Blaschka }; 4414a71df50SFrank Blaschka 4424a71df50SFrank Blaschka struct qeth_qdio_buffer_pool { 4434a71df50SFrank Blaschka struct list_head entry_list; 4444a71df50SFrank Blaschka int buf_count; 4454a71df50SFrank Blaschka }; 4464a71df50SFrank Blaschka 4474a71df50SFrank Blaschka struct qeth_qdio_buffer { 4484a71df50SFrank Blaschka struct qdio_buffer *buffer; 4494a71df50SFrank Blaschka /* the buffer pool entry currently associated to this buffer */ 4504a71df50SFrank Blaschka struct qeth_buffer_pool_entry *pool_entry; 451b3332930SFrank Blaschka struct sk_buff *rx_skb; 4524a71df50SFrank Blaschka }; 4534a71df50SFrank Blaschka 4544a71df50SFrank Blaschka struct qeth_qdio_q { 4556d284bdeSSebastian Ott struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 4564a71df50SFrank Blaschka struct qeth_qdio_buffer bufs[QDIO_MAX_BUFFERS_PER_Q]; 4574a71df50SFrank Blaschka int next_buf_to_init; 4586d284bdeSSebastian Ott }; 4594a71df50SFrank Blaschka 4604a71df50SFrank Blaschka struct qeth_qdio_out_buffer { 4614a71df50SFrank Blaschka struct qdio_buffer *buffer; 4624a71df50SFrank Blaschka atomic_t state; 4634a71df50SFrank Blaschka int next_element_to_fill; 4644a71df50SFrank Blaschka struct sk_buff_head skb_list; 4652aedd56aSJulian Wiedmann int is_header[QDIO_MAX_ELEMENTS_PER_BUFFER]; 4660da9581dSEinar Lueck 4670da9581dSEinar Lueck struct qaob *aob; 4680da9581dSEinar Lueck struct qeth_qdio_out_q *q; 4690da9581dSEinar Lueck struct qeth_qdio_out_buffer *next_pending; 4704a71df50SFrank Blaschka }; 4714a71df50SFrank Blaschka 4724a71df50SFrank Blaschka struct qeth_card; 4734a71df50SFrank Blaschka 4744a71df50SFrank Blaschka enum qeth_out_q_states { 4754a71df50SFrank Blaschka QETH_OUT_Q_UNLOCKED, 4764a71df50SFrank Blaschka QETH_OUT_Q_LOCKED, 4774a71df50SFrank Blaschka QETH_OUT_Q_LOCKED_FLUSH, 4784a71df50SFrank Blaschka }; 4794a71df50SFrank Blaschka 4804a71df50SFrank Blaschka struct qeth_qdio_out_q { 481d445a4e2SSebastian Ott struct qdio_buffer *qdio_bufs[QDIO_MAX_BUFFERS_PER_Q]; 4820da9581dSEinar Lueck struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q]; 4830da9581dSEinar Lueck struct qdio_outbuf_state *bufstates; /* convenience pointer */ 4844a71df50SFrank Blaschka int queue_no; 4854a71df50SFrank Blaschka struct qeth_card *card; 4864a71df50SFrank Blaschka atomic_t state; 4874a71df50SFrank Blaschka int do_pack; 4884a71df50SFrank Blaschka /* 4894a71df50SFrank Blaschka * index of buffer to be filled by driver; state EMPTY or PACKING 4904a71df50SFrank Blaschka */ 4914a71df50SFrank Blaschka int next_buf_to_fill; 4924a71df50SFrank Blaschka /* 4934a71df50SFrank Blaschka * number of buffers that are currently filled (PRIMED) 4944a71df50SFrank Blaschka * -> these buffers are hardware-owned 4954a71df50SFrank Blaschka */ 4964a71df50SFrank Blaschka atomic_t used_buffers; 4974a71df50SFrank Blaschka /* indicates whether PCI flag must be set (or if one is outstanding) */ 4984a71df50SFrank Blaschka atomic_t set_pci_flags_count; 499d445a4e2SSebastian Ott }; 5004a71df50SFrank Blaschka 5014a71df50SFrank Blaschka struct qeth_qdio_info { 5024a71df50SFrank Blaschka atomic_t state; 5034a71df50SFrank Blaschka /* input */ 5040da9581dSEinar Lueck int no_in_queues; 5054a71df50SFrank Blaschka struct qeth_qdio_q *in_q; 5060da9581dSEinar Lueck struct qeth_qdio_q *c_q; 5074a71df50SFrank Blaschka struct qeth_qdio_buffer_pool in_buf_pool; 5084a71df50SFrank Blaschka struct qeth_qdio_buffer_pool init_pool; 5094a71df50SFrank Blaschka int in_buf_size; 5104a71df50SFrank Blaschka 5114a71df50SFrank Blaschka /* output */ 5124a71df50SFrank Blaschka int no_out_queues; 5134a71df50SFrank Blaschka struct qeth_qdio_out_q **out_qs; 5140da9581dSEinar Lueck struct qdio_outbuf_state *out_bufstates; 5154a71df50SFrank Blaschka 5164a71df50SFrank Blaschka /* priority queueing */ 5174a71df50SFrank Blaschka int do_prio_queueing; 5184a71df50SFrank Blaschka int default_out_queue; 5194a71df50SFrank Blaschka }; 5204a71df50SFrank Blaschka 5214a71df50SFrank Blaschka /** 5224a71df50SFrank Blaschka * buffer stuff for read channel 5234a71df50SFrank Blaschka */ 5244a71df50SFrank Blaschka #define QETH_CMD_BUFFER_NO 8 5254a71df50SFrank Blaschka 5264a71df50SFrank Blaschka /** 5274a71df50SFrank Blaschka * channel state machine 5284a71df50SFrank Blaschka */ 5294a71df50SFrank Blaschka enum qeth_channel_states { 5304a71df50SFrank Blaschka CH_STATE_UP, 5314a71df50SFrank Blaschka CH_STATE_DOWN, 5324a71df50SFrank Blaschka CH_STATE_ACTIVATING, 5334a71df50SFrank Blaschka CH_STATE_HALTED, 5344a71df50SFrank Blaschka CH_STATE_STOPPED, 5354a71df50SFrank Blaschka CH_STATE_RCD, 5364a71df50SFrank Blaschka CH_STATE_RCD_DONE, 5374a71df50SFrank Blaschka }; 5384a71df50SFrank Blaschka /** 5394a71df50SFrank Blaschka * card state machine 5404a71df50SFrank Blaschka */ 5414a71df50SFrank Blaschka enum qeth_card_states { 5424a71df50SFrank Blaschka CARD_STATE_DOWN, 5434a71df50SFrank Blaschka CARD_STATE_HARDSETUP, 5444a71df50SFrank Blaschka CARD_STATE_SOFTSETUP, 5454a71df50SFrank Blaschka CARD_STATE_UP, 5464a71df50SFrank Blaschka CARD_STATE_RECOVER, 5474a71df50SFrank Blaschka }; 5484a71df50SFrank Blaschka 5494a71df50SFrank Blaschka /** 5504a71df50SFrank Blaschka * Protocol versions 5514a71df50SFrank Blaschka */ 5524a71df50SFrank Blaschka enum qeth_prot_versions { 5534a71df50SFrank Blaschka QETH_PROT_IPV4 = 0x0004, 5544a71df50SFrank Blaschka QETH_PROT_IPV6 = 0x0006, 5554a71df50SFrank Blaschka }; 5564a71df50SFrank Blaschka 5574a71df50SFrank Blaschka enum qeth_cmd_buffer_state { 5584a71df50SFrank Blaschka BUF_STATE_FREE, 5594a71df50SFrank Blaschka BUF_STATE_LOCKED, 5604a71df50SFrank Blaschka }; 5614a71df50SFrank Blaschka 5620da9581dSEinar Lueck enum qeth_cq { 5630da9581dSEinar Lueck QETH_CQ_DISABLED = 0, 5640da9581dSEinar Lueck QETH_CQ_ENABLED = 1, 5650da9581dSEinar Lueck QETH_CQ_NOTAVAILABLE = 2, 5660da9581dSEinar Lueck }; 5670da9581dSEinar Lueck 5684a71df50SFrank Blaschka struct qeth_ipato { 5697fbd9493SJulian Wiedmann bool enabled; 57002f510f3SJulian Wiedmann bool invert4; 57102f510f3SJulian Wiedmann bool invert6; 5724a71df50SFrank Blaschka struct list_head entries; 5734a71df50SFrank Blaschka }; 5744a71df50SFrank Blaschka 5754a71df50SFrank Blaschka struct qeth_channel; 5764a71df50SFrank Blaschka 5774a71df50SFrank Blaschka struct qeth_cmd_buffer { 5784a71df50SFrank Blaschka enum qeth_cmd_buffer_state state; 5794a71df50SFrank Blaschka struct qeth_channel *channel; 5804a71df50SFrank Blaschka unsigned char *data; 5814a71df50SFrank Blaschka int rc; 5824a71df50SFrank Blaschka void (*callback) (struct qeth_channel *, struct qeth_cmd_buffer *); 5834a71df50SFrank Blaschka }; 5844a71df50SFrank Blaschka 5851c5b2216SJulian Wiedmann static inline struct qeth_ipa_cmd *__ipa_cmd(struct qeth_cmd_buffer *iob) 5861c5b2216SJulian Wiedmann { 5871c5b2216SJulian Wiedmann return (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE); 5881c5b2216SJulian Wiedmann } 5891c5b2216SJulian Wiedmann 5904a71df50SFrank Blaschka /** 5914a71df50SFrank Blaschka * definition of a qeth channel, used for read and write 5924a71df50SFrank Blaschka */ 5934a71df50SFrank Blaschka struct qeth_channel { 5944a71df50SFrank Blaschka enum qeth_channel_states state; 5954a71df50SFrank Blaschka struct ccw1 ccw; 5964a71df50SFrank Blaschka spinlock_t iob_lock; 5974a71df50SFrank Blaschka wait_queue_head_t wait_q; 5984a71df50SFrank Blaschka struct ccw_device *ccwdev; 5994a71df50SFrank Blaschka /*command buffer for control data*/ 6004a71df50SFrank Blaschka struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; 6014a71df50SFrank Blaschka atomic_t irq_pending; 6024a71df50SFrank Blaschka int io_buf_no; 6034a71df50SFrank Blaschka }; 6044a71df50SFrank Blaschka 6054a71df50SFrank Blaschka /** 6064a71df50SFrank Blaschka * OSA card related definitions 6074a71df50SFrank Blaschka */ 6084a71df50SFrank Blaschka struct qeth_token { 6094a71df50SFrank Blaschka __u32 issuer_rm_w; 6104a71df50SFrank Blaschka __u32 issuer_rm_r; 6114a71df50SFrank Blaschka __u32 cm_filter_w; 6124a71df50SFrank Blaschka __u32 cm_filter_r; 6134a71df50SFrank Blaschka __u32 cm_connection_w; 6144a71df50SFrank Blaschka __u32 cm_connection_r; 6154a71df50SFrank Blaschka __u32 ulp_filter_w; 6164a71df50SFrank Blaschka __u32 ulp_filter_r; 6174a71df50SFrank Blaschka __u32 ulp_connection_w; 6184a71df50SFrank Blaschka __u32 ulp_connection_r; 6194a71df50SFrank Blaschka }; 6204a71df50SFrank Blaschka 6214a71df50SFrank Blaschka struct qeth_seqno { 6224a71df50SFrank Blaschka __u32 trans_hdr; 6234a71df50SFrank Blaschka __u32 pdu_hdr; 6244a71df50SFrank Blaschka __u32 pdu_hdr_ack; 6254a71df50SFrank Blaschka __u16 ipa; 6264a71df50SFrank Blaschka __u32 pkt_seqno; 6274a71df50SFrank Blaschka }; 6284a71df50SFrank Blaschka 6294a71df50SFrank Blaschka struct qeth_reply { 6304a71df50SFrank Blaschka struct list_head list; 6314a71df50SFrank Blaschka wait_queue_head_t wait_q; 6324a71df50SFrank Blaschka int (*callback)(struct qeth_card *, struct qeth_reply *, 6334a71df50SFrank Blaschka unsigned long); 6344a71df50SFrank Blaschka u32 seqno; 6354a71df50SFrank Blaschka unsigned long offset; 6364a71df50SFrank Blaschka atomic_t received; 6374a71df50SFrank Blaschka int rc; 6384a71df50SFrank Blaschka void *param; 6394a71df50SFrank Blaschka struct qeth_card *card; 640ae695927SElena Reshetova refcount_t refcnt; 6414a71df50SFrank Blaschka }; 6424a71df50SFrank Blaschka 6434a71df50SFrank Blaschka struct qeth_card_blkt { 6444a71df50SFrank Blaschka int time_total; 6454a71df50SFrank Blaschka int inter_packet; 6464a71df50SFrank Blaschka int inter_packet_jumbo; 6474a71df50SFrank Blaschka }; 6484a71df50SFrank Blaschka 6494a71df50SFrank Blaschka #define QETH_BROADCAST_WITH_ECHO 0x01 6504a71df50SFrank Blaschka #define QETH_BROADCAST_WITHOUT_ECHO 0x02 6514a71df50SFrank Blaschka #define QETH_LAYER2_MAC_READ 0x01 6524a71df50SFrank Blaschka #define QETH_LAYER2_MAC_REGISTERED 0x02 6534a71df50SFrank Blaschka struct qeth_card_info { 6544a71df50SFrank Blaschka unsigned short unit_addr2; 6554a71df50SFrank Blaschka unsigned short cula; 6564a71df50SFrank Blaschka unsigned short chpid; 6574a71df50SFrank Blaschka __u16 func_level; 6584a71df50SFrank Blaschka char mcl_level[QETH_MCL_LENGTH + 1]; 6594a71df50SFrank Blaschka int guestlan; 6604a71df50SFrank Blaschka int mac_bits; 6614a71df50SFrank Blaschka int portno; 6624a71df50SFrank Blaschka enum qeth_card_types type; 6634a71df50SFrank Blaschka enum qeth_link_types link_type; 6644a71df50SFrank Blaschka int is_multicast_different; 6654a71df50SFrank Blaschka int initial_mtu; 6664a71df50SFrank Blaschka int max_mtu; 6674a71df50SFrank Blaschka int broadcast_capable; 6684a71df50SFrank Blaschka int unique_id; 669c70eb09dSJulian Wiedmann bool layer_enforced; 6704a71df50SFrank Blaschka struct qeth_card_blkt blkt; 6714a71df50SFrank Blaschka enum qeth_ipa_promisc_modes promisc_mode; 6721da74b1cSFrank Blaschka __u32 diagass_support; 6731da74b1cSFrank Blaschka __u32 hwtrap; 6744a71df50SFrank Blaschka }; 6754a71df50SFrank Blaschka 6764a71df50SFrank Blaschka struct qeth_card_options { 6774a71df50SFrank Blaschka struct qeth_routing_info route4; 6784a71df50SFrank Blaschka struct qeth_ipa_info ipa4; 6794a71df50SFrank Blaschka struct qeth_ipa_info adp; /*Adapter parameters*/ 6804a71df50SFrank Blaschka struct qeth_routing_info route6; 6814a71df50SFrank Blaschka struct qeth_ipa_info ipa6; 682b4d72c08SEugene Crosser struct qeth_sbp_info sbp; /* SETBRIDGEPORT options */ 683a45b3fafSHans Wippel struct qeth_vnicc_info vnicc; /* VNICC options */ 6844a71df50SFrank Blaschka int fake_broadcast; 6854a71df50SFrank Blaschka int layer2; 6864a71df50SFrank Blaschka int performance_stats; 6874a71df50SFrank Blaschka int rx_sg_cb; 688d64ecc22SEinar Lueck enum qeth_ipa_isolation_modes isolation; 6890f54761dSStefan Raspl enum qeth_ipa_isolation_modes prev_isolation; 69076b11f8eSUrsula Braun int sniffer; 6910da9581dSEinar Lueck enum qeth_cq cq; 692b3332930SFrank Blaschka char hsuid[9]; 6934a71df50SFrank Blaschka }; 6944a71df50SFrank Blaschka 6954a71df50SFrank Blaschka /* 6964a71df50SFrank Blaschka * thread bits for qeth_card thread masks 6974a71df50SFrank Blaschka */ 6984a71df50SFrank Blaschka enum qeth_threads { 6994a71df50SFrank Blaschka QETH_RECOVER_THREAD = 1, 7004a71df50SFrank Blaschka }; 7014a71df50SFrank Blaschka 7024a71df50SFrank Blaschka struct qeth_osn_info { 7034a71df50SFrank Blaschka int (*assist_cb)(struct net_device *dev, void *data); 7044a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *skb); 7054a71df50SFrank Blaschka }; 7064a71df50SFrank Blaschka 7074a71df50SFrank Blaschka enum qeth_discipline_id { 708c70eb09dSJulian Wiedmann QETH_DISCIPLINE_UNDETERMINED = -1, 7094a71df50SFrank Blaschka QETH_DISCIPLINE_LAYER3 = 0, 7104a71df50SFrank Blaschka QETH_DISCIPLINE_LAYER2 = 1, 7114a71df50SFrank Blaschka }; 7124a71df50SFrank Blaschka 7134a71df50SFrank Blaschka struct qeth_discipline { 7142d2ebb3eSJulian Wiedmann const struct device_type *devtype; 715d73ef324SJulian Wiedmann int (*process_rx_buffer)(struct qeth_card *card, int budget, int *done); 7164a71df50SFrank Blaschka int (*recover)(void *ptr); 717c041f2d4SSebastian Ott int (*setup) (struct ccwgroup_device *); 718c041f2d4SSebastian Ott void (*remove) (struct ccwgroup_device *); 719c041f2d4SSebastian Ott int (*set_online) (struct ccwgroup_device *); 720c041f2d4SSebastian Ott int (*set_offline) (struct ccwgroup_device *); 721c041f2d4SSebastian Ott int (*freeze)(struct ccwgroup_device *); 722c041f2d4SSebastian Ott int (*thaw) (struct ccwgroup_device *); 723c041f2d4SSebastian Ott int (*restore)(struct ccwgroup_device *); 724942d6984SJulian Wiedmann int (*do_ioctl)(struct net_device *dev, struct ifreq *rq, int cmd); 725c044dc21SEugene Crosser int (*control_event_handler)(struct qeth_card *card, 726c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd); 7274a71df50SFrank Blaschka }; 7284a71df50SFrank Blaschka 7294a71df50SFrank Blaschka struct qeth_vlan_vid { 7304a71df50SFrank Blaschka struct list_head list; 7314a71df50SFrank Blaschka unsigned short vid; 7324a71df50SFrank Blaschka }; 7334a71df50SFrank Blaschka 7345f78e29cSLakhvich Dmitriy enum qeth_addr_disposition { 7355f78e29cSLakhvich Dmitriy QETH_DISP_ADDR_DELETE = 0, 7365f78e29cSLakhvich Dmitriy QETH_DISP_ADDR_DO_NOTHING = 1, 7375f78e29cSLakhvich Dmitriy QETH_DISP_ADDR_ADD = 2, 7384a71df50SFrank Blaschka }; 7394a71df50SFrank Blaschka 740a1c3ed4cSFrank Blaschka struct qeth_rx { 741a1c3ed4cSFrank Blaschka int b_count; 742a1c3ed4cSFrank Blaschka int b_index; 743a1c3ed4cSFrank Blaschka struct qdio_buffer_element *b_element; 744a1c3ed4cSFrank Blaschka int e_offset; 745a1c3ed4cSFrank Blaschka int qdio_err; 746a1c3ed4cSFrank Blaschka }; 747a1c3ed4cSFrank Blaschka 74802d5cb5bSEugene Crosser struct carrier_info { 74902d5cb5bSEugene Crosser __u8 card_type; 75002d5cb5bSEugene Crosser __u16 port_mode; 75102d5cb5bSEugene Crosser __u32 port_speed; 75202d5cb5bSEugene Crosser }; 75302d5cb5bSEugene Crosser 75445cbb2e4SStefan Raspl struct qeth_switch_info { 75545cbb2e4SStefan Raspl __u32 capabilities; 75645cbb2e4SStefan Raspl __u32 settings; 75745cbb2e4SStefan Raspl }; 75845cbb2e4SStefan Raspl 7596541aa52SSebastian Ott #define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT 760a1c3ed4cSFrank Blaschka 7614a71df50SFrank Blaschka struct qeth_card { 7624a71df50SFrank Blaschka struct list_head list; 7634a71df50SFrank Blaschka enum qeth_card_states state; 7644a71df50SFrank Blaschka int lan_online; 7654a71df50SFrank Blaschka spinlock_t lock; 7664a71df50SFrank Blaschka struct ccwgroup_device *gdev; 7674a71df50SFrank Blaschka struct qeth_channel read; 7684a71df50SFrank Blaschka struct qeth_channel write; 7694a71df50SFrank Blaschka struct qeth_channel data; 7704a71df50SFrank Blaschka 7714a71df50SFrank Blaschka struct net_device *dev; 7724a71df50SFrank Blaschka struct net_device_stats stats; 7734a71df50SFrank Blaschka 7744a71df50SFrank Blaschka struct qeth_card_info info; 7754a71df50SFrank Blaschka struct qeth_token token; 7764a71df50SFrank Blaschka struct qeth_seqno seqno; 7774a71df50SFrank Blaschka struct qeth_card_options options; 7784a71df50SFrank Blaschka 7794a71df50SFrank Blaschka wait_queue_head_t wait_q; 7804a71df50SFrank Blaschka spinlock_t mclock; 7817ff0bcf6SJiri Pirko unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 782d4ac0246SJulian Wiedmann struct mutex vid_list_mutex; /* vid_list */ 7834a71df50SFrank Blaschka struct list_head vid_list; 784fe5c8028SLakhvich Dmitriy DECLARE_HASHTABLE(mac_htable, 4); 7855f78e29cSLakhvich Dmitriy DECLARE_HASHTABLE(ip_htable, 4); 7865f78e29cSLakhvich Dmitriy DECLARE_HASHTABLE(ip_mc_htable, 4); 7874a71df50SFrank Blaschka struct work_struct kernel_thread_starter; 7884a71df50SFrank Blaschka spinlock_t thread_mask_lock; 7894a71df50SFrank Blaschka unsigned long thread_start_mask; 7904a71df50SFrank Blaschka unsigned long thread_allowed_mask; 7914a71df50SFrank Blaschka unsigned long thread_running_mask; 79265d8013cSStefan Raspl struct task_struct *recovery_task; 7934a71df50SFrank Blaschka spinlock_t ip_lock; 7944a71df50SFrank Blaschka struct qeth_ipato ipato; 7954a71df50SFrank Blaschka struct list_head cmd_waiter_list; 7964a71df50SFrank Blaschka /* QDIO buffer handling */ 7974a71df50SFrank Blaschka struct qeth_qdio_info qdio; 7984a71df50SFrank Blaschka struct qeth_perf_stats perf_stats; 799908abbb5SUrsula Braun int read_or_write_problem; 8004a71df50SFrank Blaschka struct qeth_osn_info osn_info; 801c041f2d4SSebastian Ott struct qeth_discipline *discipline; 8024a71df50SFrank Blaschka atomic_t force_alloc_skb; 8036bcac508SMartin Schwidefsky struct service_level qeth_service_level; 80476b11f8eSUrsula Braun struct qdio_ssqd_desc ssqd; 805af039068SCarsten Otte debug_info_t *debug; 806c4949f07SFrank Blaschka struct mutex conf_mutex; 8079dc48cccSUrsula Braun struct mutex discipline_mutex; 808a1c3ed4cSFrank Blaschka struct napi_struct napi; 809a1c3ed4cSFrank Blaschka struct qeth_rx rx; 810b3332930SFrank Blaschka struct delayed_work buffer_reclaim_work; 811b3332930SFrank Blaschka int reclaim_index; 8120f54761dSStefan Raspl struct work_struct close_dev_work; 8134a71df50SFrank Blaschka }; 8144a71df50SFrank Blaschka 8154a71df50SFrank Blaschka struct qeth_card_list_struct { 8164a71df50SFrank Blaschka struct list_head list; 8174a71df50SFrank Blaschka rwlock_t rwlock; 8184a71df50SFrank Blaschka }; 8194a71df50SFrank Blaschka 8201da74b1cSFrank Blaschka struct qeth_trap_id { 8211da74b1cSFrank Blaschka __u16 lparnr; 8221da74b1cSFrank Blaschka char vmname[8]; 8231da74b1cSFrank Blaschka __u8 chpid; 8241da74b1cSFrank Blaschka __u8 ssid; 8251da74b1cSFrank Blaschka __u16 devno; 8261da74b1cSFrank Blaschka } __packed; 8271da74b1cSFrank Blaschka 8284a71df50SFrank Blaschka /*some helper functions*/ 8294a71df50SFrank Blaschka #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "") 8304a71df50SFrank Blaschka 8312863c613SEugene Crosser /** 8322863c613SEugene Crosser * qeth_get_elements_for_range() - find number of SBALEs to cover range. 8332863c613SEugene Crosser * @start: Start of the address range. 8342863c613SEugene Crosser * @end: Address after the end of the range. 8352863c613SEugene Crosser * 8362863c613SEugene Crosser * Returns the number of pages, and thus QDIO buffer elements, needed to cover 8372863c613SEugene Crosser * the specified address range. 8382863c613SEugene Crosser */ 8392863c613SEugene Crosser static inline int qeth_get_elements_for_range(addr_t start, addr_t end) 8402863c613SEugene Crosser { 84189271c65SUrsula Braun return PFN_UP(end) - PFN_DOWN(start); 8422863c613SEugene Crosser } 8432863c613SEugene Crosser 8444a71df50SFrank Blaschka static inline int qeth_get_micros(void) 8454a71df50SFrank Blaschka { 8461aae0560SHeiko Carstens return (int) (get_tod_clock() >> 12); 8474a71df50SFrank Blaschka } 8484a71df50SFrank Blaschka 8494a71df50SFrank Blaschka static inline int qeth_get_ip_version(struct sk_buff *skb) 8504a71df50SFrank Blaschka { 85119e36da6SJulian Wiedmann struct vlan_ethhdr *veth = vlan_eth_hdr(skb); 85219e36da6SJulian Wiedmann __be16 prot = veth->h_vlan_proto; 853a9baf10aSStefan Raspl 85419e36da6SJulian Wiedmann if (prot == htons(ETH_P_8021Q)) 85519e36da6SJulian Wiedmann prot = veth->h_vlan_encapsulated_proto; 85619e36da6SJulian Wiedmann 85719e36da6SJulian Wiedmann switch (prot) { 85819e36da6SJulian Wiedmann case htons(ETH_P_IPV6): 8594a71df50SFrank Blaschka return 6; 86019e36da6SJulian Wiedmann case htons(ETH_P_IP): 8614a71df50SFrank Blaschka return 4; 8624a71df50SFrank Blaschka default: 8634a71df50SFrank Blaschka return 0; 8644a71df50SFrank Blaschka } 8654a71df50SFrank Blaschka } 8664a71df50SFrank Blaschka 8676195b936SJulian Wiedmann static inline void qeth_rx_csum(struct qeth_card *card, struct sk_buff *skb, 8686195b936SJulian Wiedmann u8 flags) 8696195b936SJulian Wiedmann { 8706195b936SJulian Wiedmann if ((card->dev->features & NETIF_F_RXCSUM) && 8716195b936SJulian Wiedmann (flags & QETH_HDR_EXT_CSUM_HDR_REQ) && 8726195b936SJulian Wiedmann (flags & QETH_HDR_EXT_CSUM_TRANSP_REQ)) 8736195b936SJulian Wiedmann skb->ip_summed = CHECKSUM_UNNECESSARY; 8746195b936SJulian Wiedmann else 8756195b936SJulian Wiedmann skb->ip_summed = CHECKSUM_NONE; 8766195b936SJulian Wiedmann } 8776195b936SJulian Wiedmann 8786195b936SJulian Wiedmann static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags) 8796195b936SJulian Wiedmann { 8806195b936SJulian Wiedmann *flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ; 8816195b936SJulian Wiedmann if (ip_hdr(skb)->protocol == IPPROTO_UDP) 8826195b936SJulian Wiedmann *flags |= QETH_HDR_EXT_UDP; 8836195b936SJulian Wiedmann /* some HW requires combined L3+L4 csum offload: */ 8846195b936SJulian Wiedmann *flags |= QETH_HDR_EXT_CSUM_HDR_REQ; 8856195b936SJulian Wiedmann ip_hdr(skb)->check = 0; 8866195b936SJulian Wiedmann } 8876195b936SJulian Wiedmann 888f90b744eSFrank Blaschka static inline void qeth_put_buffer_pool_entry(struct qeth_card *card, 889f90b744eSFrank Blaschka struct qeth_buffer_pool_entry *entry) 890f90b744eSFrank Blaschka { 891f90b744eSFrank Blaschka list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); 892f90b744eSFrank Blaschka } 893f90b744eSFrank Blaschka 8941da74b1cSFrank Blaschka static inline int qeth_is_diagass_supported(struct qeth_card *card, 8951da74b1cSFrank Blaschka enum qeth_diags_cmds cmd) 8961da74b1cSFrank Blaschka { 8971da74b1cSFrank Blaschka return card->info.diagass_support & (__u32)cmd; 8981da74b1cSFrank Blaschka } 8991da74b1cSFrank Blaschka 900c041f2d4SSebastian Ott extern struct qeth_discipline qeth_l2_discipline; 901c041f2d4SSebastian Ott extern struct qeth_discipline qeth_l3_discipline; 902b7169c51SSebastian Ott extern const struct attribute_group *qeth_generic_attr_groups[]; 903b7169c51SSebastian Ott extern const struct attribute_group *qeth_osn_attr_groups[]; 9042d2ebb3eSJulian Wiedmann extern const struct attribute_group qeth_device_attr_group; 9052d2ebb3eSJulian Wiedmann extern const struct attribute_group qeth_device_blkt_group; 9062d2ebb3eSJulian Wiedmann extern const struct device_type qeth_generic_devtype; 907b4d72c08SEugene Crosser extern struct workqueue_struct *qeth_wq; 908b7169c51SSebastian Ott 909511c2445SEugene Crosser int qeth_card_hw_is_reachable(struct qeth_card *); 9104a71df50SFrank Blaschka const char *qeth_get_cardname_short(struct qeth_card *); 9114a71df50SFrank Blaschka int qeth_realloc_buffer_pool(struct qeth_card *, int); 9124a71df50SFrank Blaschka int qeth_core_load_discipline(struct qeth_card *, enum qeth_discipline_id); 9134a71df50SFrank Blaschka void qeth_core_free_discipline(struct qeth_card *); 9144a71df50SFrank Blaschka 9154a71df50SFrank Blaschka /* exports for qeth discipline device drivers */ 9164a71df50SFrank Blaschka extern struct qeth_card_list_struct qeth_core_card_list; 917683d718aSFrank Blaschka extern struct kmem_cache *qeth_core_header_cache; 918d11ba0c4SPeter Tiedemann extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS]; 9194a71df50SFrank Blaschka 92065d8013cSStefan Raspl void qeth_set_recovery_task(struct qeth_card *); 92165d8013cSStefan Raspl void qeth_clear_recovery_task(struct qeth_card *); 9224a71df50SFrank Blaschka void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int); 9234a71df50SFrank Blaschka int qeth_threads_running(struct qeth_card *, unsigned long); 9244a71df50SFrank Blaschka int qeth_wait_for_threads(struct qeth_card *, unsigned long); 9254a71df50SFrank Blaschka int qeth_do_run_thread(struct qeth_card *, unsigned long); 9264a71df50SFrank Blaschka void qeth_clear_thread_start_bit(struct qeth_card *, unsigned long); 9274a71df50SFrank Blaschka void qeth_clear_thread_running_bit(struct qeth_card *, unsigned long); 9284a71df50SFrank Blaschka int qeth_core_hardsetup_card(struct qeth_card *); 9294a71df50SFrank Blaschka void qeth_print_status_message(struct qeth_card *); 9304a71df50SFrank Blaschka int qeth_init_qdio_queues(struct qeth_card *); 9314a71df50SFrank Blaschka int qeth_send_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, 9324a71df50SFrank Blaschka int (*reply_cb) 9334a71df50SFrank Blaschka (struct qeth_card *, struct qeth_reply *, unsigned long), 9344a71df50SFrank Blaschka void *); 9354a71df50SFrank Blaschka struct qeth_cmd_buffer *qeth_get_ipacmd_buffer(struct qeth_card *, 9364a71df50SFrank Blaschka enum qeth_ipa_cmds, enum qeth_prot_versions); 9374a71df50SFrank Blaschka int qeth_query_setadapterparms(struct qeth_card *); 9384a71df50SFrank Blaschka struct sk_buff *qeth_core_get_next_skb(struct qeth_card *, 939b3332930SFrank Blaschka struct qeth_qdio_buffer *, struct qdio_buffer_element **, int *, 9404a71df50SFrank Blaschka struct qeth_hdr **); 9414a71df50SFrank Blaschka void qeth_schedule_recovery(struct qeth_card *); 942d73ef324SJulian Wiedmann int qeth_poll(struct napi_struct *napi, int budget); 9434a71df50SFrank Blaschka void qeth_clear_ipacmd_list(struct qeth_card *); 9444a71df50SFrank Blaschka int qeth_qdio_clear_card(struct qeth_card *, int); 9454a71df50SFrank Blaschka void qeth_clear_working_pool_list(struct qeth_card *); 9464a71df50SFrank Blaschka void qeth_clear_cmd_buffers(struct qeth_channel *); 9474a71df50SFrank Blaschka void qeth_clear_qdio_buffers(struct qeth_card *); 9484a71df50SFrank Blaschka void qeth_setadp_promisc_mode(struct qeth_card *); 9494a71df50SFrank Blaschka struct net_device_stats *qeth_get_stats(struct net_device *); 9504a71df50SFrank Blaschka int qeth_change_mtu(struct net_device *, int); 9514a71df50SFrank Blaschka int qeth_setadpparms_change_macaddr(struct qeth_card *); 9524a71df50SFrank Blaschka void qeth_tx_timeout(struct net_device *); 9534a71df50SFrank Blaschka void qeth_prepare_control_data(struct qeth_card *, int, 9544a71df50SFrank Blaschka struct qeth_cmd_buffer *); 9554a71df50SFrank Blaschka void qeth_release_buffer(struct qeth_channel *, struct qeth_cmd_buffer *); 9564a71df50SFrank Blaschka void qeth_prepare_ipa_cmd(struct qeth_card *, struct qeth_cmd_buffer *, char); 9574a71df50SFrank Blaschka struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *); 95845cbb2e4SStefan Raspl int qeth_query_switch_attributes(struct qeth_card *card, 95945cbb2e4SStefan Raspl struct qeth_switch_info *sw_info); 9604a71df50SFrank Blaschka int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, 9614a71df50SFrank Blaschka int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), 9624a71df50SFrank Blaschka void *reply_param); 963b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card, 964b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state); 965b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); 9669f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable); 9674a71df50SFrank Blaschka int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); 9687d969d2eSJulian Wiedmann int qeth_get_elements_no(struct qeth_card *card, struct sk_buff *skb, 9697d969d2eSJulian Wiedmann int extra_elems, int data_offset); 970271648b4SFrank Blaschka int qeth_get_elements_for_frags(struct sk_buff *); 9717c2e9ba3SJulian Wiedmann int qeth_do_send_packet_fast(struct qeth_qdio_out_q *queue, struct sk_buff *skb, 972cc309f83SJulian Wiedmann struct qeth_hdr *hdr, unsigned int offset, 97313ddacb5SJulian Wiedmann unsigned int hd_len); 97413ddacb5SJulian Wiedmann int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, 97513ddacb5SJulian Wiedmann struct sk_buff *skb, struct qeth_hdr *hdr, 976e878c5e6SJens Remus unsigned int offset, unsigned int hd_len, 977e878c5e6SJens Remus int elements_needed); 978942d6984SJulian Wiedmann int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); 979df8b4ec8SBen Hutchings int qeth_core_get_sset_count(struct net_device *, int); 9804a71df50SFrank Blaschka void qeth_core_get_ethtool_stats(struct net_device *, 9814a71df50SFrank Blaschka struct ethtool_stats *, u64 *); 9824a71df50SFrank Blaschka void qeth_core_get_strings(struct net_device *, u32, u8 *); 9834a71df50SFrank Blaschka void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); 9848e96c51cSCarsten Otte void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...); 985993e19c0SJulian Wiedmann int qeth_core_ethtool_get_link_ksettings(struct net_device *netdev, 986993e19c0SJulian Wiedmann struct ethtool_link_ksettings *cmd); 9870f54761dSStefan Raspl int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback); 988d4ae1f5eSStefan Raspl int qeth_hdr_chk_and_bounce(struct sk_buff *, struct qeth_hdr **, int); 9890da9581dSEinar Lueck int qeth_configure_cq(struct qeth_card *, enum qeth_cq); 9901da74b1cSFrank Blaschka int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action); 9911da74b1cSFrank Blaschka int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot); 992395672e0SStefan Raspl void qeth_trace_features(struct qeth_card *); 9930f54761dSStefan Raspl void qeth_close_dev(struct qeth_card *); 9944d7def2aSThomas Richter int qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs, 9954d7def2aSThomas Richter __u16, long); 9964d7def2aSThomas Richter int qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, __u16, 9974d7def2aSThomas Richter long, 9984d7def2aSThomas Richter int (*reply_cb)(struct qeth_card *, 9994d7def2aSThomas Richter struct qeth_reply *, unsigned long), 10004d7def2aSThomas Richter void *); 10018f43fb00SThomas Richter int qeth_setassparms_cb(struct qeth_card *, struct qeth_reply *, unsigned long); 1002b475e316SThomas Richter struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *, 1003b475e316SThomas Richter enum qeth_ipa_funcs, 1004b475e316SThomas Richter __u16, __u16, 1005b475e316SThomas Richter enum qeth_prot_versions); 10068f43fb00SThomas Richter int qeth_set_features(struct net_device *, netdev_features_t); 1007ce344356SJulian Wiedmann void qeth_recover_features(struct net_device *dev); 10088f43fb00SThomas Richter netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t); 10096d69b1f1SJulian Wiedmann netdev_features_t qeth_features_check(struct sk_buff *skb, 10106d69b1f1SJulian Wiedmann struct net_device *dev, 10116d69b1f1SJulian Wiedmann netdev_features_t features); 1012ec61bd2fSJulian Wiedmann int qeth_vm_request_mac(struct qeth_card *card); 10130d6f02d3SJulian Wiedmann int qeth_push_hdr(struct sk_buff *skb, struct qeth_hdr **hdr, unsigned int len); 10144a71df50SFrank Blaschka 10154a71df50SFrank Blaschka /* exports for OSN */ 10164a71df50SFrank Blaschka int qeth_osn_assist(struct net_device *, void *, int); 10174a71df50SFrank Blaschka int qeth_osn_register(unsigned char *read_dev_no, struct net_device **, 10184a71df50SFrank Blaschka int (*assist_cb)(struct net_device *, void *), 10194a71df50SFrank Blaschka int (*data_cb)(struct sk_buff *)); 10204a71df50SFrank Blaschka void qeth_osn_deregister(struct net_device *); 10214a71df50SFrank Blaschka 10224a71df50SFrank Blaschka #endif /* __QETH_CORE_H__ */ 1023