#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/bitops.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#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/ip6_checksum.h>
+#include <net/iucv/af_iucv.h>
#include "qeth_l3.h"
+
static int qeth_l3_set_offline(struct ccwgroup_device *);
static int qeth_l3_recover(void *);
static int qeth_l3_stop(struct net_device *);
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) {
void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf)
{
- sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
- ":%02x%02x:%02x%02x:%02x%02x:%02x%02x",
- addr[0], addr[1], addr[2], addr[3],
- addr[4], addr[5], addr[6], addr[7],
- addr[8], addr[9], addr[10], addr[11],
- addr[12], addr[13], addr[14], addr[15]);
+ sprintf(buf, "%pI6", addr);
}
int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr)
}
}
-static int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card,
+int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card,
struct qeth_ipaddr *addr)
{
struct qeth_ipato_entry *ipatoe;
}
}
-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;
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;
}
-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;
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;
QETH_CARD_TEXT(card, 2, "sdiplist");
QETH_CARD_HEX(card, 2, &card, sizeof(void *));
- if (card->options.sniffer)
+ if ((card->state != CARD_STATE_UP &&
+ card->state != CARD_STATE_SOFTSETUP) || card->options.sniffer) {
return;
+ }
+
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;
kfree(tbd_list);
}
-static void qeth_l3_clear_ip_list(struct qeth_card *card, int clean,
- int recover)
+static void qeth_l3_clear_ip_list(struct qeth_card *card, int recover)
{
struct qeth_ipaddr *addr, *tmp;
unsigned long flags;
addr = list_entry(card->ip_list.next,
struct qeth_ipaddr, entry);
list_del_init(&addr->entry);
- if (clean) {
- spin_unlock_irqrestore(&card->ip_lock, flags);
- qeth_l3_deregister_addr_entry(card, addr);
- spin_lock_irqsave(&card->ip_lock, flags);
- }
if (!recover || addr->is_multicast) {
kfree(addr);
continue;
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)
{
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",
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)
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;
}
return 0;
}
-static int qeth_l3_put_unique_id(struct qeth_card *card)
-{
-
- int rc = 0;
- struct qeth_cmd_buffer *iob;
- struct qeth_ipa_cmd *cmd;
-
- QETH_CARD_TEXT(card, 2, "puniqeid");
-
- if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
- UNIQUE_ID_NOT_BY_CARD)
- return -1;
- iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
- QETH_PROT_IPV6);
- cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
- *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
- card->info.unique_id;
- memcpy(&cmd->data.create_destroy_addr.unique_id[0],
- card->dev->dev_addr, OSA_ADDR_LEN);
- rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
- return rc;
-}
-
static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card,
struct qeth_reply *reply, unsigned long data)
{
char buf[MAX_ADDR_LEN];
QETH_CARD_TEXT(card, 4, "addmc");
- for (im4 = in4_dev->mc_list; im4; im4 = im4->next) {
+ for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL;
+ im4 = rcu_dereference(im4->next_rcu)) {
qeth_l3_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev);
ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);
if (!ipm)
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_GROUP_ARRAY_LEN; 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;
+
+ rcu_read_lock();
+ netdev = __vlan_find_dev_deep(card->dev, vid);
+ rcu_read_unlock();
if (netdev == NULL ||
!(netdev->flags & IFF_UP))
continue;
in_dev = in_dev_get(netdev);
if (!in_dev)
continue;
- read_lock(&in_dev->mc_list_lock);
+ rcu_read_lock();
qeth_l3_add_mc(card, in_dev);
- read_unlock(&in_dev->mc_list_lock);
+ rcu_read_unlock();
in_dev_put(in_dev);
}
}
in4_dev = in_dev_get(card->dev);
if (in4_dev == NULL)
return;
- read_lock(&in4_dev->mc_list_lock);
+ rcu_read_lock();
qeth_l3_add_mc(card, in4_dev);
qeth_l3_add_vlan_mc(card);
- read_unlock(&in4_dev->mc_list_lock);
+ rcu_read_unlock();
in_dev_put(in4_dev);
}
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_GROUP_ARRAY_LEN; 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(card->dev, vid);
if (netdev == NULL ||
!(netdev->flags & IFF_UP))
continue;
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(card->dev, vid);
+ in_dev = in_dev_get(netdev);
if (!in_dev)
return;
for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
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(card->dev, vid);
+ in6_dev = in6_dev_get(netdev);
if (!in6_dev)
return;
list_for_each_entry(ifa, &in6_dev->addr_list, if_list) {
static void qeth_l3_free_vlan_addresses(struct qeth_card *card,
unsigned short vid)
{
- if (!card->vlangrp)
- return;
qeth_l3_free_vlan_addresses4(card, vid);
qeth_l3_free_vlan_addresses6(card, vid);
}
-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, unsigned short 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, unsigned short vid)
{
struct qeth_card *card = dev->ml_priv;
unsigned long flags;
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 __u16 qeth_l3_rebuild_skb(struct qeth_card *card,
- struct sk_buff *skb, struct qeth_hdr *hdr)
+static inline int qeth_l3_rebuild_skb(struct qeth_card *card,
+ struct sk_buff *skb, struct qeth_hdr *hdr,
+ unsigned short *vlan_id)
{
- unsigned short vlan_id = 0;
__be16 prot;
struct iphdr *ip_hdr;
unsigned char tg_addr[MAX_ADDR_LEN];
+ int is_vlan = 0;
if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) {
prot = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
if (hdr->hdr.l3.ext_flags &
(QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) {
- vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)?
+ *vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME) ?
hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]);
+ 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)) ==
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
skb->ip_summed = CHECKSUM_NONE;
- }
+ } else
+ skb->ip_summed = CHECKSUM_NONE;
- return vlan_id;
+ return is_vlan;
}
-static void qeth_l3_process_inbound_buffer(struct qeth_card *card,
- struct qeth_qdio_buffer *buf, int index)
+static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
+ int budget, int *done)
{
- struct qdio_buffer_element *element;
+ int work_done = 0;
struct sk_buff *skb;
struct qeth_hdr *hdr;
- int offset;
__u16 vlan_tag = 0;
+ int is_vlan;
unsigned int len;
- /* get first element of current buffer */
- element = (struct qdio_buffer_element *)&buf->buffer->element[0];
- offset = 0;
- if (card->options.performance_stats)
- card->perf_stats.bufs_rec++;
- while ((skb = qeth_core_get_next_skb(card, buf->buffer, &element,
- &offset, &hdr))) {
- skb->dev = card->dev;
- /* is device UP ? */
- if (!(card->dev->flags & IFF_UP)) {
- dev_kfree_skb_any(skb);
- continue;
+ __u16 magic;
+
+ *done = 0;
+ BUG_ON(!budget);
+ while (budget) {
+ skb = qeth_core_get_next_skb(card,
+ &card->qdio.in_q->bufs[card->rx.b_index],
+ &card->rx.b_element, &card->rx.e_offset, &hdr);
+ if (!skb) {
+ *done = 1;
+ break;
}
-
+ skb->dev = card->dev;
switch (hdr->hdr.l3.id) {
case QETH_HEADER_TYPE_LAYER3:
- vlan_tag = qeth_l3_rebuild_skb(card, skb, hdr);
- len = skb->len;
- if (vlan_tag && !card->options.sniffer)
- if (card->vlangrp)
- vlan_hwaccel_rx(skb, card->vlangrp,
- vlan_tag);
- else {
- dev_kfree_skb_any(skb);
- continue;
- }
- else
- netif_rx(skb);
+ 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_hwaccel_put_tag(skb, vlan_tag);
+ napi_gro_receive(&card->napi, skb);
+ }
break;
case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */
skb->pkt_type = PACKET_HOST;
skb->protocol = eth_type_trans(skb, skb->dev);
- if (card->options.checksum_type == NO_CHECKSUMMING)
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- else
- skb->ip_summed = CHECKSUM_NONE;
len = skb->len;
netif_receive_skb(skb);
break;
QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN);
continue;
}
-
+ work_done++;
+ budget--;
card->stats.rx_packets++;
card->stats.rx_bytes += len;
}
+ return work_done;
+}
+
+static int qeth_l3_poll(struct napi_struct *napi, int budget)
+{
+ struct qeth_card *card = container_of(napi, struct qeth_card, napi);
+ int work_done = 0;
+ struct qeth_qdio_buffer *buffer;
+ int done;
+ int new_budget = budget;
+
+ if (card->options.performance_stats) {
+ card->perf_stats.inbound_cnt++;
+ card->perf_stats.inbound_start_time = qeth_get_micros();
+ }
+
+ while (1) {
+ if (!card->rx.b_count) {
+ card->rx.qdio_err = 0;
+ card->rx.b_count = qdio_get_next_buffers(
+ card->data.ccwdev, 0, &card->rx.b_index,
+ &card->rx.qdio_err);
+ if (card->rx.b_count <= 0) {
+ card->rx.b_count = 0;
+ break;
+ }
+ card->rx.b_element =
+ &card->qdio.in_q->bufs[card->rx.b_index]
+ .buffer->element[0];
+ card->rx.e_offset = 0;
+ }
+
+ while (card->rx.b_count) {
+ buffer = &card->qdio.in_q->bufs[card->rx.b_index];
+ if (!(card->rx.qdio_err &&
+ qeth_check_qdio_errors(card, buffer->buffer,
+ card->rx.qdio_err, "qinerr")))
+ work_done += qeth_l3_process_inbound_buffer(
+ card, new_budget, &done);
+ else
+ done = 1;
+
+ if (done) {
+ if (card->options.performance_stats)
+ card->perf_stats.bufs_rec++;
+ qeth_put_buffer_pool_entry(card,
+ buffer->pool_entry);
+ qeth_queue_input_buffer(card, card->rx.b_index);
+ card->rx.b_count--;
+ if (card->rx.b_count) {
+ card->rx.b_index =
+ (card->rx.b_index + 1) %
+ QDIO_MAX_BUFFERS_PER_Q;
+ card->rx.b_element =
+ &card->qdio.in_q
+ ->bufs[card->rx.b_index]
+ .buffer->element[0];
+ card->rx.e_offset = 0;
+ }
+ }
+
+ if (work_done >= budget)
+ goto out;
+ else
+ new_budget = budget - work_done;
+ }
+ }
+
+ napi_complete(napi);
+ if (qdio_start_irq(card->data.ccwdev, 0))
+ napi_schedule(&card->napi);
+out:
+ if (card->options.performance_stats)
+ card->perf_stats.inbound_time += qeth_get_micros() -
+ card->perf_stats.inbound_start_time;
+ return work_done;
}
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_GROUP_ARRAY_LEN; i++) {
- if (vlan_group_get_device(vg, i) == dev) {
+ rcu_read_lock();
+ netdev = __vlan_find_dev_deep(dev, vid);
+ rcu_read_unlock();
+ if (netdev == dev) {
rc = QETH_VLAN_CARD;
break;
}
dev_close(card->dev);
rtnl_unlock();
}
- if (!card->use_hard_stop) {
- rc = qeth_send_stoplan(card);
- if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
- }
card->state = CARD_STATE_SOFTSETUP;
}
if (card->state == CARD_STATE_SOFTSETUP) {
- qeth_l3_clear_ip_list(card, !card->use_hard_stop, 1);
+ qeth_l3_clear_ip_list(card, 1);
qeth_clear_ipacmd_list(card);
card->state = CARD_STATE_HARDSETUP;
}
if (card->state == CARD_STATE_HARDSETUP) {
- if (!card->use_hard_stop &&
- (card->info.type != QETH_CARD_TYPE_IQD)) {
- rc = qeth_l3_put_unique_id(card);
- if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
- }
qeth_qdio_clear_card(card, 0);
qeth_clear_qdio_buffers(card);
qeth_clear_working_pool_list(card);
qeth_clear_cmd_buffers(&card->read);
qeth_clear_cmd_buffers(&card->write);
}
- card->use_hard_stop = 0;
return rc;
}
return rc;
}
-static void qeth_l3_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo,
- struct qeth_arp_query_data *qdata, int entry_size,
- int uentry_size)
+static __u32 get_arp_entry_size(struct qeth_card *card,
+ struct qeth_arp_query_data *qdata,
+ struct qeth_arp_entrytype *type, __u8 strip_entries)
{
- char *entry_ptr;
- char *uentry_ptr;
- int i;
+ __u32 rc;
+ __u8 is_hsi;
- entry_ptr = (char *)&qdata->data;
- uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset);
- for (i = 0; i < qdata->no_entries; ++i) {
- /* strip off 32 bytes "media specific information" */
- memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32);
- entry_ptr += entry_size;
- uentry_ptr += uentry_size;
+ is_hsi = qdata->reply_bits == 5;
+ if (type->ip == QETHARP_IP_ADDR_V4) {
+ QETH_CARD_TEXT(card, 4, "arpev4");
+ if (strip_entries) {
+ rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5_short) :
+ sizeof(struct qeth_arp_qi_entry7_short);
+ } else {
+ rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5) :
+ sizeof(struct qeth_arp_qi_entry7);
+ }
+ } else if (type->ip == QETHARP_IP_ADDR_V6) {
+ QETH_CARD_TEXT(card, 4, "arpev6");
+ if (strip_entries) {
+ rc = is_hsi ?
+ sizeof(struct qeth_arp_qi_entry5_short_ipv6) :
+ sizeof(struct qeth_arp_qi_entry7_short_ipv6);
+ } else {
+ rc = is_hsi ?
+ sizeof(struct qeth_arp_qi_entry5_ipv6) :
+ sizeof(struct qeth_arp_qi_entry7_ipv6);
+ }
+ } else {
+ QETH_CARD_TEXT(card, 4, "arpinv");
+ rc = 0;
}
+
+ return rc;
+}
+
+static int arpentry_matches_prot(struct qeth_arp_entrytype *type, __u16 prot)
+{
+ return (type->ip == QETHARP_IP_ADDR_V4 && prot == QETH_PROT_IPV4) ||
+ (type->ip == QETHARP_IP_ADDR_V6 && prot == QETH_PROT_IPV6);
}
static int qeth_l3_arp_query_cb(struct qeth_card *card,
struct qeth_ipa_cmd *cmd;
struct qeth_arp_query_data *qdata;
struct qeth_arp_query_info *qinfo;
- int entry_size;
- int uentry_size;
int i;
+ int e;
+ int entrybytes_done;
+ int stripped_bytes;
+ __u8 do_strip_entries;
- QETH_CARD_TEXT(card, 4, "arpquecb");
+ QETH_CARD_TEXT(card, 3, "arpquecb");
qinfo = (struct qeth_arp_query_info *) reply->param;
cmd = (struct qeth_ipa_cmd *) data;
+ QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.prot_version);
if (cmd->hdr.return_code) {
- QETH_CARD_TEXT_(card, 4, "qaer1%i", cmd->hdr.return_code);
+ QETH_CARD_TEXT(card, 4, "arpcberr");
+ QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code);
return 0;
}
if (cmd->data.setassparms.hdr.return_code) {
cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code;
- QETH_CARD_TEXT_(card, 4, "qaer2%i", cmd->hdr.return_code);
+ QETH_CARD_TEXT(card, 4, "setaperr");
+ QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code);
return 0;
}
qdata = &cmd->data.setassparms.data.query_arp;
- switch (qdata->reply_bits) {
- case 5:
- uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5);
- if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
- uentry_size = sizeof(struct qeth_arp_qi_entry5_short);
- break;
- case 7:
- /* fall through to default */
- default:
- /* tr is the same as eth -> entry7 */
- uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7);
- if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
- uentry_size = sizeof(struct qeth_arp_qi_entry7_short);
- break;
- }
- /* check if there is enough room in userspace */
- if ((qinfo->udata_len - qinfo->udata_offset) <
- qdata->no_entries * uentry_size){
- QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM);
- cmd->hdr.return_code = -ENOMEM;
- goto out_error;
- }
- QETH_CARD_TEXT_(card, 4, "anore%i",
- cmd->data.setassparms.hdr.number_of_replies);
- QETH_CARD_TEXT_(card, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no);
QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries);
- if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) {
- /* strip off "media specific information" */
- qeth_l3_copy_arp_entries_stripped(qinfo, qdata, entry_size,
- uentry_size);
- } else
- /*copy entries to user buffer*/
- memcpy(qinfo->udata + qinfo->udata_offset,
- (char *)&qdata->data, qdata->no_entries*uentry_size);
+ do_strip_entries = (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) > 0;
+ stripped_bytes = do_strip_entries ? QETH_QARP_MEDIASPECIFIC_BYTES : 0;
+ entrybytes_done = 0;
+ for (e = 0; e < qdata->no_entries; ++e) {
+ char *cur_entry;
+ __u32 esize;
+ struct qeth_arp_entrytype *etype;
+
+ cur_entry = &qdata->data + entrybytes_done;
+ etype = &((struct qeth_arp_qi_entry5 *) cur_entry)->type;
+ if (!arpentry_matches_prot(etype, cmd->hdr.prot_version)) {
+ QETH_CARD_TEXT(card, 4, "pmis");
+ QETH_CARD_TEXT_(card, 4, "%i", etype->ip);
+ break;
+ }
+ esize = get_arp_entry_size(card, qdata, etype,
+ do_strip_entries);
+ QETH_CARD_TEXT_(card, 5, "esz%i", esize);
+ if (!esize)
+ break;
- qinfo->no_entries += qdata->no_entries;
- qinfo->udata_offset += (qdata->no_entries*uentry_size);
+ if ((qinfo->udata_len - qinfo->udata_offset) < esize) {
+ QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM);
+ cmd->hdr.return_code = -ENOMEM;
+ goto out_error;
+ }
+
+ memcpy(qinfo->udata + qinfo->udata_offset,
+ &qdata->data + entrybytes_done + stripped_bytes,
+ esize);
+ entrybytes_done += esize + stripped_bytes;
+ qinfo->udata_offset += esize;
+ ++qinfo->no_entries;
+ }
/* check if all replies received ... */
if (cmd->data.setassparms.hdr.seq_no <
cmd->data.setassparms.hdr.number_of_replies)
return 1;
+ QETH_CARD_TEXT_(card, 4, "nove%i", qinfo->no_entries);
memcpy(qinfo->udata, &qinfo->no_entries, 4);
/* keep STRIP_ENTRIES flag so the user program can distinguish
* stripped entries from normal ones */
if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES)
qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES;
memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2);
+ QETH_CARD_TEXT_(card, 4, "rc%i", 0);
return 0;
out_error:
i = 0;
reply_cb, reply_param);
}
-static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata)
+static int qeth_l3_query_arp_cache_info(struct qeth_card *card,
+ enum qeth_prot_versions prot,
+ struct qeth_arp_query_info *qinfo)
{
struct qeth_cmd_buffer *iob;
- struct qeth_arp_query_info qinfo = {0, };
+ struct qeth_ipa_cmd *cmd;
int tmp;
int rc;
+ QETH_CARD_TEXT_(card, 3, "qarpipv%i", prot);
+
+ iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
+ IPA_CMD_ASS_ARP_QUERY_INFO,
+ sizeof(struct qeth_arp_query_data) - sizeof(char),
+ prot);
+ cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+ cmd->data.setassparms.data.query_arp.request_bits = 0x000F;
+ cmd->data.setassparms.data.query_arp.reply_bits = 0;
+ cmd->data.setassparms.data.query_arp.no_entries = 0;
+ rc = qeth_l3_send_ipa_arp_cmd(card, iob,
+ QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
+ qeth_l3_arp_query_cb, (void *)qinfo);
+ if (rc) {
+ tmp = rc;
+ QETH_DBF_MESSAGE(2,
+ "Error while querying ARP cache on %s: %s "
+ "(0x%x/%d)\n", QETH_CARD_IFNAME(card),
+ qeth_l3_arp_get_error_cause(&rc), tmp, tmp);
+ }
+
+ return rc;
+}
+
+static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata)
+{
+ struct qeth_arp_query_info qinfo = {0, };
+ int rc;
+
QETH_CARD_TEXT(card, 3, "arpquery");
if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
IPA_ARP_PROCESSING)) {
- return -EOPNOTSUPP;
+ QETH_CARD_TEXT(card, 3, "arpqnsup");
+ rc = -EOPNOTSUPP;
+ goto out;
}
/* get size of userspace buffer and mask_bits -> 6 bytes */
- if (copy_from_user(&qinfo, udata, 6))
- return -EFAULT;
+ if (copy_from_user(&qinfo, udata, 6)) {
+ rc = -EFAULT;
+ goto out;
+ }
qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL);
- if (!qinfo.udata)
- return -ENOMEM;
+ if (!qinfo.udata) {
+ rc = -ENOMEM;
+ goto out;
+ }
qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET;
- iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING,
- IPA_CMD_ASS_ARP_QUERY_INFO,
- sizeof(int), QETH_PROT_IPV4);
-
- rc = qeth_l3_send_ipa_arp_cmd(card, iob,
- QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN,
- qeth_l3_arp_query_cb, (void *)&qinfo);
+ rc = qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV4, &qinfo);
if (rc) {
- tmp = rc;
- QETH_DBF_MESSAGE(2, "Error while querying ARP cache on %s: %s "
- "(0x%x/%d)\n", QETH_CARD_IFNAME(card),
- qeth_l3_arp_get_error_cause(&rc), tmp, tmp);
if (copy_to_user(udata, qinfo.udata, 4))
rc = -EFAULT;
+ goto free_and_out;
} else {
- if (copy_to_user(udata, qinfo.udata, qinfo.udata_len))
+#ifdef CONFIG_QETH_IPV6
+ if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) {
+ /* fails in case of GuestLAN QDIO mode */
+ qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6,
+ &qinfo);
+ }
+#endif
+ if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) {
+ QETH_CARD_TEXT(card, 4, "qactf");
rc = -EFAULT;
+ goto free_and_out;
+ }
+ QETH_CARD_TEXT_(card, 4, "qacts");
}
+free_and_out:
kfree(qinfo.udata);
+out:
return rc;
}
int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
{
int cast_type = RTN_UNSPEC;
-
- if (skb_dst(skb) && skb_dst(skb)->neighbour) {
- cast_type = skb_dst(skb)->neighbour->type;
+ struct neighbour *n = NULL;
+ struct dst_entry *dst;
+
+ rcu_read_lock();
+ dst = skb_dst(skb);
+ if (dst)
+ n = dst_get_neighbour_noref(dst);
+ if (n) {
+ cast_type = n->type;
+ rcu_read_unlock();
if ((cast_type == RTN_BROADCAST) ||
(cast_type == RTN_MULTICAST) ||
(cast_type == RTN_ANYCAST))
else
return RTN_UNSPEC;
}
+ rcu_read_unlock();
+
/* try something else */
if (skb->protocol == ETH_P_IPV6)
return (skb_network_header(skb)[24] == 0xff) ?
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 neighbour *n = NULL;
+ 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;
* 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
}
hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
+
+ rcu_read_lock();
+ dst = skb_dst(skb);
+ if (dst)
+ n = dst_get_neighbour_noref(dst);
if (ipv == 4) {
/* 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)) {
+ if (n) {
*((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
- *((u32 *) skb_dst(skb)->neighbour->primary_key);
+ *((u32 *) n->primary_key);
} else {
/* fill in destination address used in ip header */
*((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
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)) {
+ if (n) {
memcpy(hdr->hdr.l3.dest_addr,
- skb_dst(skb)->neighbour->primary_key, 16);
+ n->primary_key, 16);
} else {
/* fill in destination address used in ip header */
memcpy(hdr->hdr.l3.dest_addr,
QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
}
}
+ rcu_read_unlock();
}
static inline void qeth_l3_hdr_csum(struct qeth_card *card,
*/
if (iph->protocol == IPPROTO_UDP)
hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_UDP;
- hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
+ hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ |
+ QETH_HDR_EXT_CSUM_HDR_REQ;
+ iph->check = 0;
if (card->options.performance_stats)
card->perf_stats.tx_csum++;
}
/*fix header to TSO values ...*/
hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO;
+ hdr->hdr.hdr.l3.length = skb->len - sizeof(struct qeth_hdr_tso);
/*set values which are fix for the first approach ...*/
hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso);
hdr->ext.imb_hdr_no = 1;
unsigned long tcpd = (unsigned long)tcp_hdr(skb) +
tcp_hdr(skb)->doff * 4;
int tcpd_len = skb->len - (tcpd - (unsigned long)skb->data);
- int elements = PFN_UP(tcpd + tcpd_len) - PFN_DOWN(tcpd);
+ int elements = PFN_UP(tcpd + tcpd_len - 1) - PFN_DOWN(tcpd);
elements += skb_shinfo(skb)->nr_frags;
return elements;
}
-static inline int qeth_l3_tso_check(struct sk_buff *skb)
-{
- int len = ((unsigned long)tcp_hdr(skb) + tcp_hdr(skb)->doff * 4) -
- (unsigned long)skb->data;
- return (((unsigned long)skb->data & PAGE_MASK) !=
- (((unsigned long)skb->data + len) & PAGE_MASK));
-}
-
static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
int rc;
struct qeth_qdio_out_q *queue = card->qdio.out_qs
[qeth_get_priority_queue(card, skb, ipv, cast_type)];
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) {
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;
skb_pull(new_skb, ETH_HLEN);
}
- if (ipv == 6 && 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,
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;
}
}
/* 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;
}
}
- 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));
- if (qeth_l3_tso_check(new_skb))
- QETH_DBF_MESSAGE(2, "tso skb misaligned\n");
memset(hdr, 0, sizeof(struct qeth_hdr_tso));
qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type);
qeth_tso_fill_header(card, hdr, new_skb);
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)
elements_needed += elems;
nr_frags = skb_shinfo(new_skb)->nr_frags;
- if (card->info.type != QETH_CARD_TYPE_IQD)
+ if (card->info.type != QETH_CARD_TYPE_IQD) {
+ int len;
+ 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))
+ goto tx_drop;
rc = qeth_do_send_packet(card, queue, new_skb, hdr,
elements_needed);
- else
+ } else
rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
elements_needed, data_offset, 0);
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++;
}
return NETDEV_TX_OK;
}
-static int qeth_l3_open(struct net_device *dev)
+static int __qeth_l3_open(struct net_device *dev)
{
struct qeth_card *card = dev->ml_priv;
+ int rc = 0;
QETH_CARD_TEXT(card, 4, "qethopen");
+ if (card->state == CARD_STATE_UP)
+ return rc;
if (card->state != CARD_STATE_SOFTSETUP)
return -ENODEV;
card->data.state = CH_STATE_UP;
card->state = CARD_STATE_UP;
netif_start_queue(dev);
- if (!card->lan_online && netif_carrier_ok(dev))
- netif_carrier_off(dev);
- return 0;
+ if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) {
+ napi_enable(&card->napi);
+ napi_schedule(&card->napi);
+ } else
+ rc = -EIO;
+ return rc;
}
-static int qeth_l3_stop(struct net_device *dev)
+static int qeth_l3_open(struct net_device *dev)
{
struct qeth_card *card = dev->ml_priv;
- QETH_CARD_TEXT(card, 4, "qethstop");
- netif_tx_disable(dev);
- if (card->state == CARD_STATE_UP)
- card->state = CARD_STATE_SOFTSETUP;
- return 0;
+ QETH_CARD_TEXT(card, 5, "qethope_");
+ if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
+ QETH_CARD_TEXT(card, 3, "openREC");
+ return -ERESTARTSYS;
+ }
+ return __qeth_l3_open(dev);
}
-static u32 qeth_l3_ethtool_get_rx_csum(struct net_device *dev)
+static int qeth_l3_stop(struct net_device *dev)
{
struct qeth_card *card = dev->ml_priv;
- return (card->options.checksum_type == HW_CHECKSUMMING);
+ QETH_CARD_TEXT(card, 4, "qethstop");
+ netif_tx_disable(dev);
+ if (card->state == CARD_STATE_UP) {
+ card->state = CARD_STATE_SOFTSETUP;
+ napi_disable(&card->napi);
+ }
+ return 0;
}
-static int qeth_l3_ethtool_set_rx_csum(struct net_device *dev, u32 data)
+static netdev_features_t qeth_l3_fix_features(struct net_device *dev,
+ netdev_features_t features)
{
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,
.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 = {
.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,
};
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->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);
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->gso_max_size = 15 * PAGE_SIZE;
SET_NETDEV_DEV(card->dev, &card->gdev->dev);
+ netif_napi_add(card->dev, &card->napi, qeth_l3_poll, QETH_NAPI_WEIGHT);
return register_netdev(card->dev);
}
-static void qeth_l3_qdio_input_handler(struct ccw_device *ccwdev,
- unsigned int qdio_err, unsigned int queue, int first_element,
- int count, unsigned long card_ptr)
-{
- struct net_device *net_dev;
- struct qeth_card *card;
- struct qeth_qdio_buffer *buffer;
- int index;
- int i;
-
- card = (struct qeth_card *) card_ptr;
- net_dev = card->dev;
- if (card->options.performance_stats) {
- card->perf_stats.inbound_cnt++;
- card->perf_stats.inbound_start_time = qeth_get_micros();
- }
- if (qdio_err & QDIO_ERROR_ACTIVATE_CHECK_CONDITION) {
- QETH_CARD_TEXT(card, 1, "qdinchk");
- QETH_CARD_TEXT_(card, 1, "%04X%04X",
- first_element, count);
- QETH_CARD_TEXT_(card, 1, "%04X", queue);
- qeth_schedule_recovery(card);
- return;
- }
- for (i = first_element; i < (first_element + count); ++i) {
- index = i % QDIO_MAX_BUFFERS_PER_Q;
- buffer = &card->qdio.in_q->bufs[index];
- if (!(qdio_err &&
- qeth_check_qdio_errors(card, buffer->buffer,
- qdio_err, "qinerr")))
- qeth_l3_process_inbound_buffer(card, buffer, index);
- /* clear buffer and give back to hardware */
- qeth_put_buffer_pool_entry(card, buffer->pool_entry);
- qeth_queue_input_buffer(card, index);
- }
- if (card->options.performance_stats)
- card->perf_stats.inbound_time += qeth_get_micros() -
- card->perf_stats.inbound_start_time;
-}
-
static int qeth_l3_probe_device(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
qeth_l3_create_device_attributes(&gdev->dev);
card->options.layer2 = 0;
+ card->info.hwtrap = 0;
+ card->discipline.start_poll = qeth_qdio_start_poll;
card->discipline.input_handler = (qdio_handler_t *)
- qeth_l3_qdio_input_handler;
+ qeth_qdio_input_handler;
card->discipline.output_handler = (qdio_handler_t *)
qeth_qdio_output_handler;
card->discipline.recover = qeth_l3_recover;
{
struct qeth_card *card = dev_get_drvdata(&cgdev->dev);
+ qeth_l3_remove_device_attributes(&cgdev->dev);
+
qeth_set_allowed_threads(card, 0, 1);
wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
- if (cgdev->state == CCWGROUP_ONLINE) {
- card->use_hard_stop = 1;
+ if (cgdev->state == CCWGROUP_ONLINE)
qeth_l3_set_offline(cgdev);
- }
if (card->dev) {
unregister_netdev(card->dev);
card->dev = NULL;
}
- qeth_l3_remove_device_attributes(&cgdev->dev);
- qeth_l3_clear_ip_list(card, 0, 0);
+ qeth_l3_clear_ip_list(card, 0);
qeth_l3_clear_ipato_list(card);
return;
}
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");
QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
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);
/* softsetup */
dev_warn(&card->gdev->dev,
"The LAN is offline\n");
card->lan_online = 0;
- goto out;
+ goto contin;
}
rc = -ENODEV;
goto out_remove;
} else
card->lan_online = 1;
+contin:
rc = qeth_l3_setadapter_parms(card);
if (rc)
QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
rc = qeth_l3_start_ipassists(card);
if (rc)
QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
- qeth_l3_set_large_send(card, card->options.large_send);
rc = qeth_l3_setrouting_v4(card);
if (rc)
QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
goto out_remove;
}
card->state = CARD_STATE_SOFTSETUP;
- netif_carrier_on(card->dev);
qeth_set_allowed_threads(card, 0xffffffff, 0);
qeth_l3_set_ip_addr_list(card);
+ if (card->lan_online)
+ netif_carrier_on(card->dev);
+ 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();
+ __qeth_l3_open(card->dev);
+ else
dev_open(card->dev);
- rtnl_unlock();
- }
qeth_l3_set_multicast_list(card->dev);
+ rtnl_unlock();
}
/* let user_space know that device is online */
kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE);
-out:
mutex_unlock(&card->conf_mutex);
+ mutex_unlock(&card->discipline_mutex);
return 0;
out_remove:
- card->use_hard_stop = 1;
qeth_l3_stop_card(card, 0);
ccw_device_set_offline(CARD_DDEV(card));
ccw_device_set_offline(CARD_WDEV(card));
else
card->state = CARD_STATE_DOWN;
mutex_unlock(&card->conf_mutex);
+ mutex_unlock(&card->discipline_mutex);
return rc;
}
int rc = 0, rc2 = 0, rc3 = 0;
enum qeth_card_states recover_flag;
+ mutex_lock(&card->discipline_mutex);
mutex_lock(&card->conf_mutex);
QETH_DBF_TEXT(SETUP, 3, "setoffl");
QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *));
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);
rc = ccw_device_set_offline(CARD_DDEV(card));
rc2 = ccw_device_set_offline(CARD_WDEV(card));
/* let user_space know that device is offline */
kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE);
mutex_unlock(&card->conf_mutex);
+ mutex_unlock(&card->discipline_mutex);
return 0;
}
QETH_CARD_TEXT(card, 2, "recover2");
dev_warn(&card->gdev->dev,
"A recovery process has been started for the device\n");
- card->use_hard_stop = 1;
__qeth_l3_set_offline(card->gdev, 1);
rc = __qeth_l3_set_online(card->gdev, 1);
- /* don't run another scheduled recovery */
- qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
- qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
if (!rc)
dev_info(&card->gdev->dev,
"Device successfully recovered!\n");
dev_warn(&card->gdev->dev, "The qeth device driver "
"failed to recover an error on the device\n");
}
+ qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
+ qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
return 0;
}
static void qeth_l3_shutdown(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
- qeth_l3_clear_ip_list(card, 0, 0);
+ 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);
}
if (gdev->state == CCWGROUP_OFFLINE)
return 0;
if (card->state == CARD_STATE_UP) {
- card->use_hard_stop = 1;
+ 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);
struct qeth_ipaddr *addr;
struct qeth_card *card;
-
card = qeth_l3_get_card_from_dev(dev);
if (!card)
return NOTIFY_DONE;
Code Review / linux-2.6.git / blobdiff