diff options
Diffstat (limited to 'drivers/s390/net/qeth_l3_main.c')
| -rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 736 |
1 files changed, 327 insertions, 409 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 142e5f6ef4f..14e0b5810e8 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1,6 +1,4 @@ /* - * drivers/s390/net/qeth_l3_main.c - * * Copyright IBM Corp. 2007, 2009 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, * Frank Pavlic <fpavlic@de.ibm.com>, @@ -13,6 +11,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> +#include <linux/bitops.h> #include <linux/string.h> #include <linux/errno.h> #include <linux/kernel.h> @@ -23,10 +22,14 @@ #include <linux/inetdevice.h> #include <linux/igmp.h> #include <linux/slab.h> +#include <linux/if_vlan.h> #include <net/ip.h> #include <net/arp.h> +#include <net/route.h> +#include <net/ip6_fib.h> #include <net/ip6_checksum.h> +#include <net/iucv/af_iucv.h> #include "qeth_l3.h" @@ -43,33 +46,6 @@ static int qeth_l3_deregister_addr_entry(struct qeth_card *, static int __qeth_l3_set_online(struct ccwgroup_device *, int); static int __qeth_l3_set_offline(struct ccwgroup_device *, int); -int qeth_l3_set_large_send(struct qeth_card *card, - enum qeth_large_send_types type) -{ - int rc = 0; - - card->options.large_send = type; - if (card->dev == NULL) - return 0; - - if (card->options.large_send == QETH_LARGE_SEND_TSO) { - if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { - card->dev->features |= NETIF_F_TSO | NETIF_F_SG | - NETIF_F_IP_CSUM; - } else { - card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | - NETIF_F_IP_CSUM); - card->options.large_send = QETH_LARGE_SEND_NO; - rc = -EOPNOTSUPP; - } - } else { - card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | - NETIF_F_IP_CSUM); - card->options.large_send = QETH_LARGE_SEND_NO; - } - return rc; -} - static int qeth_l3_isxdigit(char *buf) { while (*buf) { @@ -87,7 +63,7 @@ void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf) int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr) { int count = 0, rc = 0; - int in[4]; + unsigned int in[4]; char c; rc = sscanf(buf, "%u.%u.%u.%u%c", @@ -292,7 +268,7 @@ static int __qeth_l3_insert_ip_todo(struct qeth_card *card, } } -static int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) +int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) { unsigned long flags; int rc = 0; @@ -311,7 +287,7 @@ static int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) return rc; } -static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) +int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) { unsigned long flags; int rc = 0; @@ -330,7 +306,7 @@ static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) } -static struct qeth_ipaddr *qeth_l3_get_addr_buffer( +struct qeth_ipaddr *qeth_l3_get_addr_buffer( enum qeth_prot_versions prot) { struct qeth_ipaddr *addr; @@ -446,7 +422,7 @@ again: list_splice(&fail_list, &card->ip_list); } -static void qeth_l3_set_ip_addr_list(struct qeth_card *card) +void qeth_l3_set_ip_addr_list(struct qeth_card *card) { struct list_head *tbd_list; struct qeth_ipaddr *todo, *addr; @@ -463,7 +439,7 @@ static void qeth_l3_set_ip_addr_list(struct qeth_card *card) spin_lock_irqsave(&card->ip_lock, flags); tbd_list = card->ip_tbd_list; - card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC); + card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_ATOMIC); if (!card->ip_tbd_list) { QETH_CARD_TEXT(card, 0, "silnomem"); card->ip_tbd_list = tbd_list; @@ -647,7 +623,7 @@ static int qeth_l3_send_setrouting(struct qeth_card *card, return rc; } -static void qeth_l3_correct_routing_type(struct qeth_card *card, +static int qeth_l3_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type, enum qeth_prot_versions prot) { if (card->info.type == QETH_CARD_TYPE_IQD) { @@ -656,7 +632,7 @@ static void qeth_l3_correct_routing_type(struct qeth_card *card, case PRIMARY_CONNECTOR: case SECONDARY_CONNECTOR: case MULTICAST_ROUTER: - return; + return 0; default: goto out_inval; } @@ -665,17 +641,18 @@ static void qeth_l3_correct_routing_type(struct qeth_card *card, case NO_ROUTER: case PRIMARY_ROUTER: case SECONDARY_ROUTER: - return; + return 0; case MULTICAST_ROUTER: if (qeth_is_ipafunc_supported(card, prot, IPA_OSA_MC_ROUTER)) - return; + return 0; default: goto out_inval; } } out_inval: *type = NO_ROUTER; + return -EINVAL; } int qeth_l3_setrouting_v4(struct qeth_card *card) @@ -684,8 +661,10 @@ int qeth_l3_setrouting_v4(struct qeth_card *card) QETH_CARD_TEXT(card, 3, "setrtg4"); - qeth_l3_correct_routing_type(card, &card->options.route4.type, + rc = qeth_l3_correct_routing_type(card, &card->options.route4.type, QETH_PROT_IPV4); + if (rc) + return rc; rc = qeth_l3_send_setrouting(card, card->options.route4.type, QETH_PROT_IPV4); @@ -707,8 +686,10 @@ int qeth_l3_setrouting_v6(struct qeth_card *card) if (!qeth_is_supported(card, IPA_IPV6)) return 0; - qeth_l3_correct_routing_type(card, &card->options.route6.type, + rc = qeth_l3_correct_routing_type(card, &card->options.route6.type, QETH_PROT_IPV6); + if (rc) + return rc; rc = qeth_l3_send_setrouting(card, card->options.route6.type, QETH_PROT_IPV6); @@ -818,6 +799,7 @@ int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, rc = -EEXIST; spin_unlock_irqrestore(&card->ip_lock, flags); if (rc) { + kfree(ipaddr); return rc; } if (!qeth_l3_add_ip(card, ipaddr)) @@ -882,6 +864,7 @@ int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, rc = -EEXIST; spin_unlock_irqrestore(&card->ip_lock, flags); if (rc) { + kfree(ipaddr); return rc; } if (!qeth_l3_add_ip(card, ipaddr)) @@ -998,57 +981,6 @@ static inline u8 qeth_l3_get_qeth_hdr_flags6(int cast_type) return ct | QETH_CAST_UNICAST; } -static int qeth_l3_send_setadp_mode(struct qeth_card *card, __u32 command, - __u32 mode) -{ - int rc; - struct qeth_cmd_buffer *iob; - struct qeth_ipa_cmd *cmd; - - QETH_CARD_TEXT(card, 4, "adpmode"); - - iob = qeth_get_adapter_cmd(card, command, - sizeof(struct qeth_ipacmd_setadpparms)); - cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); - cmd->data.setadapterparms.data.mode = mode; - rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb, - NULL); - return rc; -} - -static int qeth_l3_setadapter_hstr(struct qeth_card *card) -{ - int rc; - - QETH_CARD_TEXT(card, 4, "adphstr"); - - if (qeth_adp_supported(card, IPA_SETADP_SET_BROADCAST_MODE)) { - rc = qeth_l3_send_setadp_mode(card, - IPA_SETADP_SET_BROADCAST_MODE, - card->options.broadcast_mode); - if (rc) - QETH_DBF_MESSAGE(2, "couldn't set broadcast mode on " - "device %s: x%x\n", - CARD_BUS_ID(card), rc); - rc = qeth_l3_send_setadp_mode(card, - IPA_SETADP_ALTER_MAC_ADDRESS, - card->options.macaddr_mode); - if (rc) - QETH_DBF_MESSAGE(2, "couldn't set macaddr mode on " - "device %s: x%x\n", CARD_BUS_ID(card), rc); - return rc; - } - if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL) - QETH_DBF_MESSAGE(2, "set adapter parameters not available " - "to set broadcast mode, using ALLRINGS " - "on device %s:\n", CARD_BUS_ID(card)); - if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL) - QETH_DBF_MESSAGE(2, "set adapter parameters not available " - "to set macaddr mode, using NONCANONICAL " - "on device %s:\n", CARD_BUS_ID(card)); - return 0; -} - static int qeth_l3_setadapter_parms(struct qeth_card *card) { int rc; @@ -1074,10 +1006,6 @@ static int qeth_l3_setadapter_parms(struct qeth_card *card) " address failed\n"); } - if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || - (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) - rc = qeth_l3_setadapter_hstr(card); - return rc; } @@ -1304,39 +1232,6 @@ static int qeth_l3_start_ipa_multicast(struct qeth_card *card) return rc; } -static int qeth_l3_query_ipassists_cb(struct qeth_card *card, - struct qeth_reply *reply, unsigned long data) -{ - struct qeth_ipa_cmd *cmd; - - QETH_DBF_TEXT(SETUP, 2, "qipasscb"); - - cmd = (struct qeth_ipa_cmd *) data; - if (cmd->hdr.prot_version == QETH_PROT_IPV4) { - card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; - card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; - } else { - card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; - card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; - } - QETH_DBF_TEXT(SETUP, 2, "suppenbl"); - QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_supported); - QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_enabled); - return 0; -} - -static int qeth_l3_query_ipassists(struct qeth_card *card, - enum qeth_prot_versions prot) -{ - int rc; - struct qeth_cmd_buffer *iob; - - QETH_DBF_TEXT_(SETUP, 2, "qipassi%i", prot); - iob = qeth_get_ipacmd_buffer(card, IPA_CMD_QIPASSIST, prot); - rc = qeth_send_ipa_cmd(card, iob, qeth_l3_query_ipassists_cb, NULL); - return rc; -} - #ifdef CONFIG_QETH_IPV6 static int qeth_l3_softsetup_ipv6(struct qeth_card *card) { @@ -1347,7 +1242,7 @@ static int qeth_l3_softsetup_ipv6(struct qeth_card *card) if (card->info.type == QETH_CARD_TYPE_IQD) goto out; - rc = qeth_l3_query_ipassists(card, QETH_PROT_IPV6); + rc = qeth_query_ipassists(card, QETH_PROT_IPV6); if (rc) { dev_err(&card->gdev->dev, "Activating IPv6 support for %s failed\n", @@ -1472,68 +1367,38 @@ static int qeth_l3_send_checksum_command(struct qeth_card *card) return 0; } -int qeth_l3_set_rx_csum(struct qeth_card *card, - enum qeth_checksum_types csum_type) +static int qeth_l3_set_rx_csum(struct qeth_card *card, int on) { int rc = 0; - if (card->options.checksum_type == HW_CHECKSUMMING) { - if ((csum_type != HW_CHECKSUMMING) && - (card->state != CARD_STATE_DOWN)) { - rc = qeth_l3_send_simple_setassparms(card, - IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0); - if (rc) - return -EIO; - } + if (on) { + rc = qeth_l3_send_checksum_command(card); + if (rc) + return -EIO; + dev_info(&card->gdev->dev, + "HW Checksumming (inbound) enabled\n"); } else { - if (csum_type == HW_CHECKSUMMING) { - if (card->state != CARD_STATE_DOWN) { - if (!qeth_is_supported(card, - IPA_INBOUND_CHECKSUM)) - return -EPERM; - rc = qeth_l3_send_checksum_command(card); - if (rc) - return -EIO; - } - } + rc = qeth_l3_send_simple_setassparms(card, + IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0); + if (rc) + return -EIO; } - card->options.checksum_type = csum_type; - return rc; + + return 0; } static int qeth_l3_start_ipa_checksum(struct qeth_card *card) { - int rc = 0; - QETH_CARD_TEXT(card, 3, "strtcsum"); - if (card->options.checksum_type == NO_CHECKSUMMING) { - dev_info(&card->gdev->dev, - "Using no checksumming on %s.\n", - QETH_CARD_IFNAME(card)); - return 0; - } - if (card->options.checksum_type == SW_CHECKSUMMING) { - dev_info(&card->gdev->dev, - "Using SW checksumming on %s.\n", - QETH_CARD_IFNAME(card)); - return 0; - } - if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { - dev_info(&card->gdev->dev, - "Inbound HW Checksumming not " - "supported on %s,\ncontinuing " - "using Inbound SW Checksumming\n", - QETH_CARD_IFNAME(card)); - card->options.checksum_type = SW_CHECKSUMMING; - return 0; + if (card->dev->features & NETIF_F_RXCSUM) { + rtnl_lock(); + /* force set_features call */ + card->dev->features &= ~NETIF_F_RXCSUM; + netdev_update_features(card->dev); + rtnl_unlock(); } - rc = qeth_l3_send_checksum_command(card); - if (!rc) - dev_info(&card->gdev->dev, - "HW Checksumming (inbound) enabled\n"); - - return rc; + return 0; } static int qeth_l3_start_ipa_tx_checksum(struct qeth_card *card) @@ -1580,10 +1445,8 @@ static int qeth_l3_start_ipa_tso(struct qeth_card *card) dev_info(&card->gdev->dev, "Outbound TSO enabled\n"); } - if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)) { - card->options.large_send = QETH_LARGE_SEND_NO; - card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); - } + if (rc) + card->dev->features &= ~NETIF_F_TSO; return rc; } @@ -1591,7 +1454,8 @@ static int qeth_l3_start_ipassists(struct qeth_card *card) { QETH_CARD_TEXT(card, 3, "strtipas"); - qeth_set_access_ctrl_online(card); /* go on*/ + if (qeth_set_access_ctrl_online(card, 0)) + return -EIO; qeth_l3_start_ipa_arp_processing(card); /* go on*/ qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ qeth_l3_start_ipa_source_mac(card); /* go on*/ @@ -1615,7 +1479,7 @@ static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card, memcpy(card->dev->dev_addr, cmd->data.create_destroy_addr.unique_id, ETH_ALEN); else - random_ether_addr(card->dev->dev_addr); + eth_random_addr(card->dev->dev_addr); return 0; } @@ -1758,10 +1622,7 @@ qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd) static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev) { - if (dev->type == ARPHRD_IEEE802_TR) - ip_tr_mc_map(ipm, mac); - else - ip_eth_mc_map(ipm, mac); + ip_eth_mc_map(ipm, mac); } static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) @@ -1785,29 +1646,28 @@ static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) } } +/* called with rcu_read_lock */ static void qeth_l3_add_vlan_mc(struct qeth_card *card) { struct in_device *in_dev; - struct vlan_group *vg; - int i; + u16 vid; QETH_CARD_TEXT(card, 4, "addmcvl"); - if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL)) + if (!qeth_is_supported(card, IPA_FULL_VLAN)) return; - vg = card->vlangrp; - for (i = 0; i < VLAN_N_VID; i++) { - struct net_device *netdev = vlan_group_get_device(vg, i); + for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { + struct net_device *netdev; + + netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), + vid); if (netdev == NULL || !(netdev->flags & IFF_UP)) continue; - in_dev = in_dev_get(netdev); + in_dev = __in_dev_get_rcu(netdev); if (!in_dev) continue; - rcu_read_lock(); qeth_l3_add_mc(card, in_dev); - rcu_read_unlock(); - in_dev_put(in_dev); } } @@ -1816,14 +1676,14 @@ static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) struct in_device *in4_dev; QETH_CARD_TEXT(card, 4, "chkmcv4"); - in4_dev = in_dev_get(card->dev); - if (in4_dev == NULL) - return; rcu_read_lock(); + in4_dev = __in_dev_get_rcu(card->dev); + if (in4_dev == NULL) + goto unlock; qeth_l3_add_mc(card, in4_dev); qeth_l3_add_vlan_mc(card); +unlock: rcu_read_unlock(); - in_dev_put(in4_dev); } #ifdef CONFIG_QETH_IPV6 @@ -1848,19 +1708,21 @@ static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) } } +/* called with rcu_read_lock */ static void qeth_l3_add_vlan_mc6(struct qeth_card *card) { struct inet6_dev *in_dev; - struct vlan_group *vg; - int i; + u16 vid; QETH_CARD_TEXT(card, 4, "admc6vl"); - if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL)) + if (!qeth_is_supported(card, IPA_FULL_VLAN)) return; - vg = card->vlangrp; - for (i = 0; i < VLAN_N_VID; i++) { - struct net_device *netdev = vlan_group_get_device(vg, i); + for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { + struct net_device *netdev; + + netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), + vid); if (netdev == NULL || !(netdev->flags & IFF_UP)) continue; @@ -1884,10 +1746,12 @@ static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) in6_dev = in6_dev_get(card->dev); if (in6_dev == NULL) return; + rcu_read_lock(); read_lock_bh(&in6_dev->lock); qeth_l3_add_mc6(card, in6_dev); qeth_l3_add_vlan_mc6(card); read_unlock_bh(&in6_dev->lock); + rcu_read_unlock(); in6_dev_put(in6_dev); } #endif /* CONFIG_QETH_IPV6 */ @@ -1898,10 +1762,14 @@ static void qeth_l3_free_vlan_addresses4(struct qeth_card *card, struct in_device *in_dev; struct in_ifaddr *ifa; struct qeth_ipaddr *addr; + struct net_device *netdev; QETH_CARD_TEXT(card, 4, "frvaddr4"); - in_dev = in_dev_get(vlan_group_get_device(card->vlangrp, vid)); + netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), vid); + if (!netdev) + return; + in_dev = in_dev_get(netdev); if (!in_dev) return; for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { @@ -1924,10 +1792,14 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, struct inet6_dev *in6_dev; struct inet6_ifaddr *ifa; struct qeth_ipaddr *addr; + struct net_device *netdev; QETH_CARD_TEXT(card, 4, "frvaddr6"); - in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid)); + netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), vid); + if (!netdev) + return; + in6_dev = in6_dev_get(netdev); if (!in6_dev) return; list_for_each_entry(ifa, &in6_dev->addr_list, if_list) { @@ -1948,30 +1820,23 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, static void qeth_l3_free_vlan_addresses(struct qeth_card *card, unsigned short vid) { - if (!card->vlangrp) - return; + rcu_read_lock(); qeth_l3_free_vlan_addresses4(card, vid); qeth_l3_free_vlan_addresses6(card, vid); + rcu_read_unlock(); } -static void qeth_l3_vlan_rx_register(struct net_device *dev, - struct vlan_group *grp) +static int qeth_l3_vlan_rx_add_vid(struct net_device *dev, + __be16 proto, u16 vid) { struct qeth_card *card = dev->ml_priv; - unsigned long flags; - QETH_CARD_TEXT(card, 4, "vlanreg"); - spin_lock_irqsave(&card->vlanlock, flags); - card->vlangrp = grp; - spin_unlock_irqrestore(&card->vlanlock, flags); -} - -static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) -{ - return; + set_bit(vid, card->active_vlans); + return 0; } -static void qeth_l3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) +static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev, + __be16 proto, u16 vid) { struct qeth_card *card = dev->ml_priv; unsigned long flags; @@ -1979,14 +1844,15 @@ static void qeth_l3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) QETH_CARD_TEXT_(card, 4, "kid:%d", vid); if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { QETH_CARD_TEXT(card, 3, "kidREC"); - return; + return 0; } spin_lock_irqsave(&card->vlanlock, flags); /* unregister IP addresses of vlan device */ qeth_l3_free_vlan_addresses(card, vid); - vlan_group_set_device(card->vlangrp, vid, NULL); + clear_bit(vid, card->active_vlans); spin_unlock_irqrestore(&card->vlanlock, flags); qeth_l3_set_multicast_list(card->dev); + return 0; } static inline int qeth_l3_rebuild_skb(struct qeth_card *card, @@ -2013,8 +1879,6 @@ static inline int qeth_l3_rebuild_skb(struct qeth_card *card, #endif case __constant_htons(ETH_P_IP): ip_hdr = (struct iphdr *)skb->data; - (card->dev->type == ARPHRD_IEEE802_TR) ? - ip_tr_mc_map(ip_hdr->daddr, tg_addr): ip_eth_mc_map(ip_hdr->daddr, tg_addr); break; default: @@ -2050,12 +1914,7 @@ static inline int qeth_l3_rebuild_skb(struct qeth_card *card, tg_addr, "FAKELL", card->dev->addr_len); } -#ifdef CONFIG_TR - if (card->dev->type == ARPHRD_IEEE802_TR) - skb->protocol = tr_type_trans(skb, card->dev); - else -#endif - skb->protocol = eth_type_trans(skb, card->dev); + skb->protocol = eth_type_trans(skb, card->dev); if (hdr->hdr.l3.ext_flags & (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { @@ -2064,14 +1923,7 @@ static inline int qeth_l3_rebuild_skb(struct qeth_card *card, is_vlan = 1; } - switch (card->options.checksum_type) { - case SW_CHECKSUMMING: - skb->ip_summed = CHECKSUM_NONE; - break; - case NO_CHECKSUMMING: - skb->ip_summed = CHECKSUM_UNNECESSARY; - break; - case HW_CHECKSUMMING: + if (card->dev->features & NETIF_F_RXCSUM) { if ((hdr->hdr.l3.ext_flags & (QETH_HDR_EXT_CSUM_HDR_REQ | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == @@ -2080,7 +1932,8 @@ static inline int qeth_l3_rebuild_skb(struct qeth_card *card, skb->ip_summed = CHECKSUM_UNNECESSARY; else skb->ip_summed = CHECKSUM_NONE; - } + } else + skb->ip_summed = CHECKSUM_NONE; return is_vlan; } @@ -2094,12 +1947,13 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card, __u16 vlan_tag = 0; int is_vlan; unsigned int len; + __u16 magic; *done = 0; - BUG_ON(!budget); + WARN_ON_ONCE(!budget); while (budget) { skb = qeth_core_get_next_skb(card, - card->qdio.in_q->bufs[card->rx.b_index].buffer, + &card->qdio.in_q->bufs[card->rx.b_index], &card->rx.b_element, &card->rx.e_offset, &hdr); if (!skb) { *done = 1; @@ -2108,14 +1962,27 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card, skb->dev = card->dev; switch (hdr->hdr.l3.id) { case QETH_HEADER_TYPE_LAYER3: - is_vlan = qeth_l3_rebuild_skb(card, skb, hdr, + magic = *(__u16 *)skb->data; + if ((card->info.type == QETH_CARD_TYPE_IQD) && + (magic == ETH_P_AF_IUCV)) { + skb->protocol = ETH_P_AF_IUCV; + skb->pkt_type = PACKET_HOST; + skb->mac_header = NET_SKB_PAD; + skb->dev = card->dev; + len = skb->len; + card->dev->header_ops->create(skb, card->dev, 0, + card->dev->dev_addr, "FAKELL", + card->dev->addr_len); + netif_receive_skb(skb); + } else { + is_vlan = qeth_l3_rebuild_skb(card, skb, hdr, &vlan_tag); - len = skb->len; - if (is_vlan && !card->options.sniffer) - vlan_gro_receive(&card->napi, card->vlangrp, - vlan_tag, skb); - else + len = skb->len; + if (is_vlan && !card->options.sniffer) + __vlan_hwaccel_put_tag(skb, + htons(ETH_P_8021Q), vlan_tag); napi_gro_receive(&card->napi, skb); + } break; case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */ skb->pkt_type = PACKET_HOST; @@ -2216,15 +2083,16 @@ static int qeth_l3_verify_vlan_dev(struct net_device *dev, struct qeth_card *card) { int rc = 0; - struct vlan_group *vg; - int i; + u16 vid; - vg = card->vlangrp; - if (!vg) - return rc; + for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { + struct net_device *netdev; - for (i = 0; i < VLAN_N_VID; i++) { - if (vlan_group_get_device(vg, i) == dev) { + rcu_read_lock(); + netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), + vid); + rcu_read_unlock(); + if (netdev == dev) { rc = QETH_VLAN_CARD; break; } @@ -2514,7 +2382,7 @@ static int qeth_l3_arp_query_cb(struct qeth_card *card, if ((qinfo->udata_len - qinfo->udata_offset) < esize) { QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM); - cmd->hdr.return_code = -ENOMEM; + cmd->hdr.return_code = IPA_RC_ENOMEM; goto out_error; } @@ -2829,6 +2697,9 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) mii_data->phy_id, mii_data->reg_num); break; + case SIOC_QETH_QUERY_OAT: + rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data); + break; default: rc = -EOPNOTSUPP; } @@ -2840,9 +2711,17 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) { int cast_type = RTN_UNSPEC; + struct neighbour *n = NULL; + struct dst_entry *dst; - if (skb_dst(skb) && skb_dst(skb)->neighbour) { - cast_type = skb_dst(skb)->neighbour->type; + rcu_read_lock(); + dst = skb_dst(skb); + if (dst) + n = dst_neigh_lookup_skb(dst, skb); + if (n) { + cast_type = n->type; + rcu_read_unlock(); + neigh_release(n); if ((cast_type == RTN_BROADCAST) || (cast_type == RTN_MULTICAST) || (cast_type == RTN_ANYCAST)) @@ -2850,6 +2729,8 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) else return RTN_UNSPEC; } + rcu_read_unlock(); + /* try something else */ if (skb->protocol == ETH_P_IPV6) return (skb_network_header(skb)[24] == 0xff) ? @@ -2882,9 +2763,35 @@ int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) return cast_type; } +static void qeth_l3_fill_af_iucv_hdr(struct qeth_card *card, + struct qeth_hdr *hdr, struct sk_buff *skb) +{ + char daddr[16]; + struct af_iucv_trans_hdr *iucv_hdr; + + skb_pull(skb, 14); + card->dev->header_ops->create(skb, card->dev, 0, + card->dev->dev_addr, card->dev->dev_addr, + card->dev->addr_len); + skb_pull(skb, 14); + iucv_hdr = (struct af_iucv_trans_hdr *)skb->data; + memset(hdr, 0, sizeof(struct qeth_hdr)); + hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; + hdr->hdr.l3.ext_flags = 0; + hdr->hdr.l3.length = skb->len; + hdr->hdr.l3.flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST; + memset(daddr, 0, sizeof(daddr)); + daddr[0] = 0xfe; + daddr[1] = 0x80; + memcpy(&daddr[8], iucv_hdr->destUserID, 8); + memcpy(hdr->hdr.l3.dest_addr, daddr, 16); +} + static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, struct sk_buff *skb, int ipv, int cast_type) { + struct dst_entry *dst; + memset(hdr, 0, sizeof(struct qeth_hdr)); hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; hdr->hdr.l3.ext_flags = 0; @@ -2893,7 +2800,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, * before we're going to overwrite this location with next hop ip. * v6 uses passthrough, v4 sets the tag in the QDIO header. */ - if (card->vlangrp && vlan_tx_tag_present(skb)) { + if (vlan_tx_tag_present(skb)) { if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD)) hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME; else @@ -2902,39 +2809,34 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, } hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); + + rcu_read_lock(); + dst = skb_dst(skb); if (ipv == 4) { + struct rtable *rt = (struct rtable *) dst; + __be32 *pkey = &ip_hdr(skb)->daddr; + + if (rt->rt_gateway) + pkey = &rt->rt_gateway; + /* IPv4 */ hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type); memset(hdr->hdr.l3.dest_addr, 0, 12); - if ((skb_dst(skb)) && (skb_dst(skb)->neighbour)) { - *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = - *((u32 *) skb_dst(skb)->neighbour->primary_key); - } else { - /* fill in destination address used in ip header */ - *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = - ip_hdr(skb)->daddr; - } + *((__be32 *) (&hdr->hdr.l3.dest_addr[12])) = *pkey; } else if (ipv == 6) { + struct rt6_info *rt = (struct rt6_info *) dst; + struct in6_addr *pkey = &ipv6_hdr(skb)->daddr; + + if (!ipv6_addr_any(&rt->rt6i_gateway)) + pkey = &rt->rt6i_gateway; + /* IPv6 */ hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type); if (card->info.type == QETH_CARD_TYPE_IQD) hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU; - if ((skb_dst(skb)) && (skb_dst(skb)->neighbour)) { - memcpy(hdr->hdr.l3.dest_addr, - skb_dst(skb)->neighbour->primary_key, 16); - } else { - /* fill in destination address used in ip header */ - memcpy(hdr->hdr.l3.dest_addr, - &ipv6_hdr(skb)->daddr, 16); - } + memcpy(hdr->hdr.l3.dest_addr, pkey, 16); } else { - /* passthrough */ - if ((skb->dev->type == ARPHRD_IEEE802_TR) && - !memcmp(skb->data + sizeof(struct qeth_hdr) + - sizeof(__u16), skb->dev->broadcast, 6)) { - hdr->hdr.l3.flags = QETH_CAST_BROADCAST | - QETH_HDR_PASSTHRU; - } else if (!memcmp(skb->data + sizeof(struct qeth_hdr), + if (!memcmp(skb->data + sizeof(struct qeth_hdr), skb->dev->broadcast, 6)) { /* broadcast? */ hdr->hdr.l3.flags = QETH_CAST_BROADCAST | @@ -2945,6 +2847,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; } } + rcu_read_unlock(); } static inline void qeth_l3_hdr_csum(struct qeth_card *card, @@ -3006,7 +2909,9 @@ static inline int qeth_l3_tso_elements(struct sk_buff *skb) tcp_hdr(skb)->doff * 4; int tcpd_len = skb->len - (tcpd - (unsigned long)skb->data); int elements = PFN_UP(tcpd + tcpd_len - 1) - PFN_DOWN(tcpd); - elements += skb_shinfo(skb)->nr_frags; + + elements += qeth_get_elements_for_frags(skb); + return elements; } @@ -3021,15 +2926,21 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) struct sk_buff *new_skb = NULL; int ipv = qeth_get_ip_version(skb); int cast_type = qeth_l3_get_cast_type(card, skb); - struct qeth_qdio_out_q *queue = card->qdio.out_qs - [qeth_get_priority_queue(card, skb, ipv, cast_type)]; + struct qeth_qdio_out_q *queue = + card->qdio.out_qs[card->qdio.do_prio_queueing + || (cast_type && card->info.is_multicast_different) ? + qeth_get_priority_queue(card, skb, ipv, cast_type) : + card->qdio.default_out_queue]; int tx_bytes = skb->len; - enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO; + bool large_send; int data_offset = -1; int nr_frags; - if (((card->info.type == QETH_CARD_TYPE_IQD) && (!ipv)) || - card->options.sniffer) + if (((card->info.type == QETH_CARD_TYPE_IQD) && + (((card->options.cq != QETH_CQ_ENABLED) && !ipv) || + ((card->options.cq == QETH_CQ_ENABLED) && + (skb->protocol != ETH_P_AF_IUCV)))) || + card->options.sniffer) goto tx_drop; if ((card->state != CARD_STATE_UP) || !card->lan_online) { @@ -3046,13 +2957,15 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) card->perf_stats.outbound_start_time = qeth_get_micros(); } - if (skb_is_gso(skb)) - large_send = card->options.large_send; + large_send = skb_is_gso(skb); if ((card->info.type == QETH_CARD_TYPE_IQD) && (!large_send) && (skb_shinfo(skb)->nr_frags == 0)) { new_skb = skb; - data_offset = ETH_HLEN; + if (new_skb->protocol == ETH_P_AF_IUCV) + data_offset = 0; + else + data_offset = ETH_HLEN; hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); if (!hdr) goto tx_drop; @@ -3070,14 +2983,10 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_pull(new_skb, ETH_HLEN); } else { if (ipv == 4) { - if (card->dev->type == ARPHRD_IEEE802_TR) - skb_pull(new_skb, TR_HLEN); - else - skb_pull(new_skb, ETH_HLEN); + skb_pull(new_skb, ETH_HLEN); } - if (ipv != 4 && card->vlangrp && - vlan_tx_tag_present(new_skb)) { + if (ipv != 4 && vlan_tx_tag_present(new_skb)) { skb_push(new_skb, VLAN_HLEN); skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4); skb_copy_to_linear_data_offset(new_skb, 4, @@ -3087,7 +2996,6 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) tag = (u16 *)(new_skb->data + 12); *tag = __constant_htons(ETH_P_8021Q); *(tag + 1) = htons(vlan_tx_tag_get(new_skb)); - new_skb->vlan_tci = 0; } } @@ -3096,7 +3004,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) /* fix hardware limitation: as long as we do not have sbal * chaining we can not send long frag lists */ - if (large_send == QETH_LARGE_SEND_TSO) { + if (large_send) { if (qeth_l3_tso_elements(new_skb) + 1 > 16) { if (skb_linearize(new_skb)) goto tx_drop; @@ -3105,8 +3013,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) } } - if ((large_send == QETH_LARGE_SEND_TSO) && - (cast_type == RTN_UNSPEC)) { + if (large_send && (cast_type == RTN_UNSPEC)) { hdr = (struct qeth_hdr *)skb_push(new_skb, sizeof(struct qeth_hdr_tso)); memset(hdr, 0, sizeof(struct qeth_hdr_tso)); @@ -3120,17 +3027,20 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); } else { - qeth_l3_fill_header(card, hdr, new_skb, ipv, - cast_type); - hdr->hdr.l3.length = new_skb->len - data_offset; + if (new_skb->protocol == ETH_P_AF_IUCV) + qeth_l3_fill_af_iucv_hdr(card, hdr, new_skb); + else { + qeth_l3_fill_header(card, hdr, new_skb, ipv, + cast_type); + hdr->hdr.l3.length = new_skb->len - data_offset; + } } if (skb->ip_summed == CHECKSUM_PARTIAL) qeth_l3_hdr_csum(card, hdr, new_skb); } - elems = qeth_get_elements_no(card, (void *)hdr, new_skb, - elements_needed); + elems = qeth_get_elements_no(card, new_skb, elements_needed); if (!elems) { if (data_offset >= 0) kmem_cache_free(qeth_core_header_cache, hdr); @@ -3141,14 +3051,14 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) if (card->info.type != QETH_CARD_TYPE_IQD) { int len; - if (large_send == QETH_LARGE_SEND_TSO) + if (large_send) len = ((unsigned long)tcp_hdr(new_skb) + tcp_hdr(new_skb)->doff * 4) - (unsigned long)new_skb->data; else len = sizeof(struct qeth_hdr_layer3); - if (qeth_hdr_chk_and_bounce(new_skb, len)) + if (qeth_hdr_chk_and_bounce(new_skb, &hdr, len)) goto tx_drop; rc = qeth_do_send_packet(card, queue, new_skb, hdr, elements_needed); @@ -3162,7 +3072,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) if (new_skb != skb) dev_kfree_skb_any(skb); if (card->options.performance_stats) { - if (large_send != QETH_LARGE_SEND_NO) { + if (large_send) { card->perf_stats.large_send_bytes += tx_bytes; card->perf_stats.large_send_cnt++; } @@ -3248,65 +3158,44 @@ static int qeth_l3_stop(struct net_device *dev) return 0; } -static u32 qeth_l3_ethtool_get_rx_csum(struct net_device *dev) +static netdev_features_t qeth_l3_fix_features(struct net_device *dev, + netdev_features_t features) { struct qeth_card *card = dev->ml_priv; - return (card->options.checksum_type == HW_CHECKSUMMING); -} - -static int qeth_l3_ethtool_set_rx_csum(struct net_device *dev, u32 data) -{ - struct qeth_card *card = dev->ml_priv; - enum qeth_checksum_types csum_type; - - if (data) - csum_type = HW_CHECKSUMMING; - else - csum_type = SW_CHECKSUMMING; + if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) + features &= ~NETIF_F_IP_CSUM; + if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) + features &= ~NETIF_F_TSO; + if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) + features &= ~NETIF_F_RXCSUM; - return qeth_l3_set_rx_csum(card, csum_type); + return features; } -static int qeth_l3_ethtool_set_tso(struct net_device *dev, u32 data) +static int qeth_l3_set_features(struct net_device *dev, + netdev_features_t features) { struct qeth_card *card = dev->ml_priv; - int rc = 0; + u32 changed = dev->features ^ features; + int err; - if (data) { - rc = qeth_l3_set_large_send(card, QETH_LARGE_SEND_TSO); - } else { - dev->features &= ~NETIF_F_TSO; - card->options.large_send = QETH_LARGE_SEND_NO; - } - return rc; -} + if (!(changed & NETIF_F_RXCSUM)) + return 0; -static int qeth_l3_ethtool_set_tx_csum(struct net_device *dev, u32 data) -{ - struct qeth_card *card = dev->ml_priv; + if (card->state == CARD_STATE_DOWN || + card->state == CARD_STATE_RECOVER) + return 0; - if (data) { - if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) - dev->features |= NETIF_F_IP_CSUM; - else - return -EPERM; - } else - dev->features &= ~NETIF_F_IP_CSUM; + err = qeth_l3_set_rx_csum(card, features & NETIF_F_RXCSUM); + if (err) + dev->features = features ^ NETIF_F_RXCSUM; - return 0; + return err; } static const struct ethtool_ops qeth_l3_ethtool_ops = { .get_link = ethtool_op_get_link, - .get_tx_csum = ethtool_op_get_tx_csum, - .set_tx_csum = qeth_l3_ethtool_set_tx_csum, - .get_rx_csum = qeth_l3_ethtool_get_rx_csum, - .set_rx_csum = qeth_l3_ethtool_set_rx_csum, - .get_sg = ethtool_op_get_sg, - .set_sg = ethtool_op_set_sg, - .get_tso = ethtool_op_get_tso, - .set_tso = qeth_l3_ethtool_set_tso, .get_strings = qeth_core_get_strings, .get_ethtool_stats = qeth_core_get_ethtool_stats, .get_sset_count = qeth_core_get_sset_count, @@ -3344,13 +3233,14 @@ static const struct net_device_ops qeth_l3_netdev_ops = { .ndo_get_stats = qeth_get_stats, .ndo_start_xmit = qeth_l3_hard_start_xmit, .ndo_validate_addr = eth_validate_addr, - .ndo_set_multicast_list = qeth_l3_set_multicast_list, - .ndo_do_ioctl = qeth_l3_do_ioctl, - .ndo_change_mtu = qeth_change_mtu, - .ndo_vlan_rx_register = qeth_l3_vlan_rx_register, + .ndo_set_rx_mode = qeth_l3_set_multicast_list, + .ndo_do_ioctl = qeth_l3_do_ioctl, + .ndo_change_mtu = qeth_change_mtu, + .ndo_fix_features = qeth_l3_fix_features, + .ndo_set_features = qeth_l3_set_features, .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, - .ndo_tx_timeout = qeth_tx_timeout, + .ndo_tx_timeout = qeth_tx_timeout, }; static const struct net_device_ops qeth_l3_osa_netdev_ops = { @@ -3359,13 +3249,14 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = { .ndo_get_stats = qeth_get_stats, .ndo_start_xmit = qeth_l3_hard_start_xmit, .ndo_validate_addr = eth_validate_addr, - .ndo_set_multicast_list = qeth_l3_set_multicast_list, - .ndo_do_ioctl = qeth_l3_do_ioctl, - .ndo_change_mtu = qeth_change_mtu, - .ndo_vlan_rx_register = qeth_l3_vlan_rx_register, + .ndo_set_rx_mode = qeth_l3_set_multicast_list, + .ndo_do_ioctl = qeth_l3_do_ioctl, + .ndo_change_mtu = qeth_change_mtu, + .ndo_fix_features = qeth_l3_fix_features, + .ndo_set_features = qeth_l3_set_features, .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, - .ndo_tx_timeout = qeth_tx_timeout, + .ndo_tx_timeout = qeth_tx_timeout, .ndo_neigh_setup = qeth_l3_neigh_setup, }; @@ -3375,12 +3266,8 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) card->info.type == QETH_CARD_TYPE_OSX) { if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || (card->info.link_type == QETH_LINK_TYPE_HSTR)) { -#ifdef CONFIG_TR - card->dev = alloc_trdev(0); -#endif - if (!card->dev) - return -ENODEV; - card->dev->netdev_ops = &qeth_l3_netdev_ops; + pr_info("qeth_l3: ignoring TR device\n"); + return -ENODEV; } else { card->dev = alloc_etherdev(0); if (!card->dev) @@ -3392,8 +3279,12 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) card->dev->dev_id = card->info.unique_id & 0xffff; - if (!card->info.guestlan) - card->dev->features |= NETIF_F_GRO; + if (!card->info.guestlan) { + card->dev->hw_features = NETIF_F_SG | + NETIF_F_RXCSUM | NETIF_F_IP_CSUM | + NETIF_F_TSO; + card->dev->features = NETIF_F_RXCSUM; + } } } else if (card->info.type == QETH_CARD_TYPE_IQD) { card->dev = alloc_netdev(0, "hsi%d", ether_setup); @@ -3402,16 +3293,18 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) card->dev->flags |= IFF_NOARP; card->dev->netdev_ops = &qeth_l3_netdev_ops; qeth_l3_iqd_read_initial_mac(card); + if (card->options.hsuid[0]) + memcpy(card->dev->perm_addr, card->options.hsuid, 9); } else return -ENODEV; card->dev->ml_priv = card; card->dev->watchdog_timeo = QETH_TX_TIMEOUT; card->dev->mtu = card->info.initial_mtu; - SET_ETHTOOL_OPS(card->dev, &qeth_l3_ethtool_ops); - card->dev->features |= NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER; + card->dev->ethtool_ops = &qeth_l3_ethtool_ops; + card->dev->features |= NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER; card->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; card->dev->gso_max_size = 15 * PAGE_SIZE; @@ -3426,15 +3319,7 @@ static int qeth_l3_probe_device(struct ccwgroup_device *gdev) qeth_l3_create_device_attributes(&gdev->dev); card->options.layer2 = 0; - card->discipline.start_poll = qeth_qdio_start_poll; - card->discipline.input_handler = (qdio_handler_t *) - qeth_qdio_input_handler; - card->discipline.output_handler = (qdio_handler_t *) - qeth_qdio_output_handler; - card->discipline.recover = qeth_l3_recover; - if ((card->info.type == QETH_CARD_TYPE_OSD) || - (card->info.type == QETH_CARD_TYPE_OSX)) - card->options.checksum_type = HW_CHECKSUMMING; + card->info.hwtrap = 0; return 0; } @@ -3466,7 +3351,6 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) int rc = 0; enum qeth_card_states recover_flag; - BUG_ON(!card); mutex_lock(&card->discipline_mutex); mutex_lock(&card->conf_mutex); QETH_DBF_TEXT(SETUP, 2, "setonlin"); @@ -3480,13 +3364,18 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) goto out_remove; } - qeth_l3_query_ipassists(card, QETH_PROT_IPV4); - if (!card->dev && qeth_l3_setup_netdev(card)) { rc = -ENODEV; goto out_remove; } + if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { + if (card->info.hwtrap && + qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) + card->info.hwtrap = 0; + } else + card->info.hwtrap = 0; + card->state = CARD_STATE_HARDSETUP; memset(&card->rx, 0, sizeof(struct qeth_rx)); qeth_print_status_message(card); @@ -3514,9 +3403,10 @@ contin: QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); if (!card->options.sniffer) { rc = qeth_l3_start_ipassists(card); - if (rc) + if (rc) { QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); - qeth_l3_set_large_send(card, card->options.large_send); + goto out_remove; + } rc = qeth_l3_setrouting_v4(card); if (rc) QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); @@ -3541,15 +3431,15 @@ contin: else netif_carrier_off(card->dev); if (recover_flag == CARD_STATE_RECOVER) { + rtnl_lock(); if (recovery_mode) __qeth_l3_open(card->dev); - else { - rtnl_lock(); + else dev_open(card->dev); - rtnl_unlock(); - } qeth_l3_set_multicast_list(card->dev); + rtnl_unlock(); } + qeth_trace_features(card); /* let user_space know that device is online */ kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); mutex_unlock(&card->conf_mutex); @@ -3560,6 +3450,7 @@ out_remove: ccw_device_set_offline(CARD_DDEV(card)); ccw_device_set_offline(CARD_WDEV(card)); ccw_device_set_offline(CARD_RDEV(card)); + qdio_free(CARD_DDEV(card)); if (recover_flag == CARD_STATE_RECOVER) card->state = CARD_STATE_RECOVER; else @@ -3589,7 +3480,16 @@ static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, if (card->dev && netif_carrier_ok(card->dev)) netif_carrier_off(card->dev); recover_flag = card->state; + if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { + qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); + card->info.hwtrap = 1; + } qeth_l3_stop_card(card, recovery_mode); + if ((card->options.cq == QETH_CQ_ENABLED) && card->dev) { + rtnl_lock(); + call_netdevice_notifiers(NETDEV_REBOOT, card->dev); + rtnl_unlock(); + } rc = ccw_device_set_offline(CARD_DDEV(card)); rc2 = ccw_device_set_offline(CARD_WDEV(card)); rc3 = ccw_device_set_offline(CARD_RDEV(card)); @@ -3597,6 +3497,7 @@ static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, rc = (rc2) ? rc2 : rc3; if (rc) QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); + qdio_free(CARD_DDEV(card)); if (recover_flag == CARD_STATE_UP) card->state = CARD_STATE_RECOVER; /* let user_space know that device is offline */ @@ -3624,18 +3525,18 @@ static int qeth_l3_recover(void *ptr) QETH_CARD_TEXT(card, 2, "recover2"); dev_warn(&card->gdev->dev, "A recovery process has been started for the device\n"); + qeth_set_recovery_task(card); __qeth_l3_set_offline(card->gdev, 1); rc = __qeth_l3_set_online(card->gdev, 1); if (!rc) dev_info(&card->gdev->dev, "Device successfully recovered!\n"); else { - rtnl_lock(); - dev_close(card->dev); - rtnl_unlock(); + qeth_close_dev(card); dev_warn(&card->gdev->dev, "The qeth device driver " - "failed to recover an error on the device\n"); + "failed to recover an error on the device\n"); } + qeth_clear_recovery_task(card); qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); return 0; @@ -3644,8 +3545,12 @@ static int qeth_l3_recover(void *ptr) static void qeth_l3_shutdown(struct ccwgroup_device *gdev) { struct qeth_card *card = dev_get_drvdata(&gdev->dev); + qeth_set_allowed_threads(card, 0, 1); + if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap) + qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); qeth_qdio_clear_card(card, 0); qeth_clear_qdio_buffers(card); + qdio_free(CARD_DDEV(card)); } static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) @@ -3659,6 +3564,8 @@ static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) if (gdev->state == CCWGROUP_OFFLINE) return 0; if (card->state == CARD_STATE_UP) { + if (card->info.hwtrap) + qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); __qeth_l3_set_offline(card->gdev, 1); } else __qeth_l3_set_offline(card->gdev, 0); @@ -3692,8 +3599,19 @@ out: return rc; } -struct ccwgroup_driver qeth_l3_ccwgroup_driver = { - .probe = qeth_l3_probe_device, +/* Returns zero if the command is successfully "consumed" */ +static int qeth_l3_control_event(struct qeth_card *card, + struct qeth_ipa_cmd *cmd) +{ + return 1; +} + +struct qeth_discipline qeth_l3_discipline = { + .start_poll = qeth_qdio_start_poll, + .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, + .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, + .recover = qeth_l3_recover, + .setup = qeth_l3_probe_device, .remove = qeth_l3_remove_device, .set_online = qeth_l3_set_online, .set_offline = qeth_l3_set_offline, @@ -3701,8 +3619,9 @@ struct ccwgroup_driver qeth_l3_ccwgroup_driver = { .freeze = qeth_l3_pm_suspend, .thaw = qeth_l3_pm_resume, .restore = qeth_l3_pm_resume, + .control_event_handler = qeth_l3_control_event, }; -EXPORT_SYMBOL_GPL(qeth_l3_ccwgroup_driver); +EXPORT_SYMBOL_GPL(qeth_l3_discipline); static int qeth_l3_ip_event(struct notifier_block *this, unsigned long event, void *ptr) @@ -3716,9 +3635,9 @@ static int qeth_l3_ip_event(struct notifier_block *this, return NOTIFY_DONE; card = qeth_l3_get_card_from_dev(dev); - QETH_CARD_TEXT(card, 3, "ipevent"); if (!card) return NOTIFY_DONE; + QETH_CARD_TEXT(card, 3, "ipevent"); addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); if (addr != NULL) { @@ -3762,7 +3681,6 @@ static int qeth_l3_ip6_event(struct notifier_block *this, struct qeth_ipaddr *addr; struct qeth_card *card; - card = qeth_l3_get_card_from_dev(dev); if (!card) return NOTIFY_DONE; @@ -3825,9 +3743,9 @@ static void qeth_l3_unregister_notifiers(void) { QETH_DBF_TEXT(SETUP, 5, "unregnot"); - BUG_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); + WARN_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); #ifdef CONFIG_QETH_IPV6 - BUG_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); + WARN_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); #endif /* QETH_IPV6 */ } |