#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/ip.h>
-#include <linux/ipv6.h>
#include <linux/tcp.h>
#include <linux/mii.h>
#include <linux/kthread.h>
#include <asm/ebcdic.h>
#include <asm/io.h>
-#include <asm/s390_rdev.h>
#include "qeth_core.h"
-#include "qeth_core_offl.h"
struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS] = {
/* define dbf - Name, Pages, Areas, Maxlen, Level, View, Handle */
netif_tx_disable(card->dev);
card->options.large_send = type;
switch (card->options.large_send) {
- case QETH_LARGE_SEND_EDDP:
- card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
- NETIF_F_HW_CSUM;
- break;
case QETH_LARGE_SEND_TSO:
if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
card->dev->features |= NETIF_F_TSO | NETIF_F_SG |
card = CARD_FROM_CDEV(channel->ccwdev);
if (qeth_check_idx_response(iob->data)) {
qeth_clear_ipacmd_list(card);
+ if (((iob->data[2] & 0xc0) == 0xc0) && iob->data[4] == 0xf6)
+ dev_err(&card->gdev->dev,
+ "The qeth device is not configured "
+ "for the OSI layer required by z/VM\n");
qeth_schedule_recovery(card);
goto out;
}
dev_kfree_skb_any(skb);
skb = skb_dequeue(&buf->skb_list);
}
- qeth_eddp_buf_release_contexts(buf);
for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i) {
if (buf->buffer->element[i].addr && buf->is_header[i])
kmem_cache_free(qeth_core_header_cache,
card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL;
card->options.fake_broadcast = 0;
card->options.add_hhlen = DEFAULT_ADD_HHLEN;
- card->options.fake_ll = 0;
card->options.performance_stats = 0;
card->options.rx_sg_cb = QETH_RX_SG_CB;
}
int rc;
unsigned long flags;
struct qeth_reply *reply = NULL;
- unsigned long timeout;
+ unsigned long timeout, event_timeout;
+ struct qeth_ipa_cmd *cmd;
QETH_DBF_TEXT(TRACE, 2, "sendctl");
qeth_prepare_control_data(card, len, iob);
if (IS_IPA(iob->data))
- timeout = jiffies + QETH_IPA_TIMEOUT;
+ event_timeout = QETH_IPA_TIMEOUT;
else
- timeout = jiffies + QETH_TIMEOUT;
+ event_timeout = QETH_TIMEOUT;
+ timeout = jiffies + event_timeout;
QETH_DBF_TEXT(TRACE, 6, "noirqpnd");
spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
wake_up(&card->wait_q);
return rc;
}
- while (!atomic_read(&reply->received)) {
- if (time_after(jiffies, timeout)) {
- spin_lock_irqsave(&reply->card->lock, flags);
- list_del_init(&reply->list);
- spin_unlock_irqrestore(&reply->card->lock, flags);
- reply->rc = -ETIME;
- atomic_inc(&reply->received);
- wake_up(&reply->wait_q);
- }
- cpu_relax();
- };
+
+ /* we have only one long running ipassist, since we can ensure
+ process context of this command we can sleep */
+ cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+ if ((cmd->hdr.command == IPA_CMD_SETIP) &&
+ (cmd->hdr.prot_version == QETH_PROT_IPV4)) {
+ if (!wait_event_timeout(reply->wait_q,
+ atomic_read(&reply->received), event_timeout))
+ goto time_err;
+ } else {
+ while (!atomic_read(&reply->received)) {
+ if (time_after(jiffies, timeout))
+ goto time_err;
+ cpu_relax();
+ };
+ }
+
+ rc = reply->rc;
+ qeth_put_reply(reply);
+ return rc;
+
+time_err:
+ spin_lock_irqsave(&reply->card->lock, flags);
+ list_del_init(&reply->list);
+ spin_unlock_irqrestore(&reply->card->lock, flags);
+ reply->rc = -ETIME;
+ atomic_inc(&reply->received);
+ wake_up(&reply->wait_q);
rc = reply->rc;
qeth_put_reply(reply);
return rc;
}
/* fallthrough */
case QETH_CARD_TYPE_IQD:
- if (card->info.guestlan) {
+ if ((card->info.guestlan) ||
+ (card->info.mcl_level[0] & 0x80)) {
card->info.mcl_level[0] = (char) _ebcasc[(__u8)
card->info.mcl_level[0]];
card->info.mcl_level[1] = (char) _ebcasc[(__u8)
struct qeth_qdio_out_buffer *buffer, unsigned int qdio_err)
{
int sbalf15 = buffer->buffer->element[15].flags & 0xff;
- int cc = qdio_err & 3;
QETH_DBF_TEXT(TRACE, 6, "hdsnderr");
qeth_check_qdio_errors(buffer->buffer, qdio_err, "qouterr");
- switch (cc) {
- case 0:
- if (qdio_err) {
- QETH_DBF_TEXT(TRACE, 1, "lnkfail");
- QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
- QETH_DBF_TEXT_(TRACE, 1, "%04x %02x",
- (u16)qdio_err, (u8)sbalf15);
- return QETH_SEND_ERROR_LINK_FAILURE;
- }
+
+ if (!qdio_err)
return QETH_SEND_ERROR_NONE;
- case 2:
- if (qdio_err & QDIO_ERROR_SIGA_BUSY) {
- QETH_DBF_TEXT(TRACE, 1, "SIGAcc2B");
- QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
- return QETH_SEND_ERROR_KICK_IT;
- }
- if ((sbalf15 >= 15) && (sbalf15 <= 31))
- return QETH_SEND_ERROR_RETRY;
- return QETH_SEND_ERROR_LINK_FAILURE;
- /* look at qdio_error and sbalf 15 */
- case 1:
- QETH_DBF_TEXT(TRACE, 1, "SIGAcc1");
- QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
- return QETH_SEND_ERROR_LINK_FAILURE;
- case 3:
- default:
- QETH_DBF_TEXT(TRACE, 1, "SIGAcc3");
- QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
- return QETH_SEND_ERROR_KICK_IT;
- }
+
+ if ((sbalf15 >= 15) && (sbalf15 <= 31))
+ return QETH_SEND_ERROR_RETRY;
+
+ QETH_DBF_TEXT(TRACE, 1, "lnkfail");
+ QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card));
+ QETH_DBF_TEXT_(TRACE, 1, "%04x %02x",
+ (u16)qdio_err, (u8)sbalf15);
+ return QETH_SEND_ERROR_LINK_FAILURE;
}
/*
qeth_get_micros() -
queue->card->perf_stats.outbound_do_qdio_start_time;
if (rc) {
+ queue->card->stats.tx_errors += count;
+ /* ignore temporary SIGA errors without busy condition */
+ if (rc == QDIO_ERROR_SIGA_TARGET)
+ return;
QETH_DBF_TEXT(TRACE, 2, "flushbuf");
QETH_DBF_TEXT_(TRACE, 2, " err%d", rc);
QETH_DBF_TEXT_(TRACE, 2, "%s", CARD_DDEV_ID(queue->card));
- queue->card->stats.tx_errors += count;
+
/* this must not happen under normal circumstances. if it
* happens something is really wrong -> recover */
qeth_schedule_recovery(queue->card);
}
for (i = first_element; i < (first_element + count); ++i) {
buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
- /*we only handle the KICK_IT error by doing a recovery */
- if (qeth_handle_send_error(card, buffer, qdio_error)
- == QETH_SEND_ERROR_KICK_IT){
- netif_stop_queue(card->dev);
- qeth_schedule_recovery(card);
- return;
- }
+ qeth_handle_send_error(card, buffer, qdio_error);
qeth_clear_output_buffer(queue, buffer);
}
atomic_sub(count, &queue->used_buffers);
int qeth_do_send_packet_fast(struct qeth_card *card,
struct qeth_qdio_out_q *queue, struct sk_buff *skb,
struct qeth_hdr *hdr, int elements_needed,
- struct qeth_eddp_context *ctx, int offset, int hd_len)
+ int offset, int hd_len)
{
struct qeth_qdio_out_buffer *buffer;
- int buffers_needed = 0;
- int flush_cnt = 0;
int index;
/* spin until we get the queue ... */
*/
if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
goto out;
- if (ctx == NULL)
- queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
+ queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) %
QDIO_MAX_BUFFERS_PER_Q;
- else {
- buffers_needed = qeth_eddp_check_buffers_for_context(queue,
- ctx);
- if (buffers_needed < 0)
- goto out;
- queue->next_buf_to_fill =
- (queue->next_buf_to_fill + buffers_needed) %
- QDIO_MAX_BUFFERS_PER_Q;
- }
atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
- if (ctx == NULL) {
- qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len);
- qeth_flush_buffers(queue, index, 1);
- } else {
- flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index);
- WARN_ON(buffers_needed != flush_cnt);
- qeth_flush_buffers(queue, index, flush_cnt);
- }
+ qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len);
+ qeth_flush_buffers(queue, index, 1);
return 0;
out:
atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
struct sk_buff *skb, struct qeth_hdr *hdr,
- int elements_needed, struct qeth_eddp_context *ctx)
+ int elements_needed)
{
struct qeth_qdio_out_buffer *buffer;
int start_index;
qeth_switch_to_packing_if_needed(queue);
if (queue->do_pack) {
do_pack = 1;
- if (ctx == NULL) {
- /* does packet fit in current buffer? */
- if ((QETH_MAX_BUFFER_ELEMENTS(card) -
- buffer->next_element_to_fill) < elements_needed) {
- /* ... no -> set state PRIMED */
- atomic_set(&buffer->state,
- QETH_QDIO_BUF_PRIMED);
- flush_count++;
- queue->next_buf_to_fill =
- (queue->next_buf_to_fill + 1) %
- QDIO_MAX_BUFFERS_PER_Q;
- buffer = &queue->bufs[queue->next_buf_to_fill];
- /* we did a step forward, so check buffer state
- * again */
- if (atomic_read(&buffer->state) !=
- QETH_QDIO_BUF_EMPTY){
- qeth_flush_buffers(queue, start_index,
+ /* does packet fit in current buffer? */
+ if ((QETH_MAX_BUFFER_ELEMENTS(card) -
+ buffer->next_element_to_fill) < elements_needed) {
+ /* ... no -> set state PRIMED */
+ atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
+ flush_count++;
+ queue->next_buf_to_fill =
+ (queue->next_buf_to_fill + 1) %
+ QDIO_MAX_BUFFERS_PER_Q;
+ buffer = &queue->bufs[queue->next_buf_to_fill];
+ /* we did a step forward, so check buffer state
+ * again */
+ if (atomic_read(&buffer->state) !=
+ QETH_QDIO_BUF_EMPTY) {
+ qeth_flush_buffers(queue, start_index,
flush_count);
- atomic_set(&queue->state,
+ atomic_set(&queue->state,
QETH_OUT_Q_UNLOCKED);
- return -EBUSY;
- }
- }
- } else {
- /* check if we have enough elements (including following
- * free buffers) to handle eddp context */
- if (qeth_eddp_check_buffers_for_context(queue, ctx)
- < 0) {
- rc = -EBUSY;
- goto out;
+ return -EBUSY;
}
}
}
- if (ctx == NULL)
- tmp = qeth_fill_buffer(queue, buffer, skb, hdr, -1, 0);
- else {
- tmp = qeth_eddp_fill_buffer(queue, ctx,
- queue->next_buf_to_fill);
- if (tmp < 0) {
- rc = -EBUSY;
- goto out;
- }
- }
+ tmp = qeth_fill_buffer(queue, buffer, skb, hdr, -1, 0);
queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) %
QDIO_MAX_BUFFERS_PER_Q;
flush_count += tmp;
-out:
if (flush_count)
qeth_flush_buffers(queue, start_index, flush_count);
else if (!atomic_read(&queue->set_pci_flags_count))
/* 30 */{"tx count"},
{"tx do_QDIO time"},
{"tx do_QDIO count"},
+ {"tx csum"},
};
int qeth_core_get_stats_count(struct net_device *dev)
data[30] = card->perf_stats.outbound_cnt;
data[31] = card->perf_stats.outbound_do_qdio_time;
data[32] = card->perf_stats.outbound_do_qdio_cnt;
+ data[33] = card->perf_stats.tx_csum;
}
EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats);
&driver_attr_group);
if (rc)
goto driver_err;
- qeth_core_root_dev = s390_root_dev_register("qeth");
+ qeth_core_root_dev = root_device_register("qeth");
rc = IS_ERR(qeth_core_root_dev) ? PTR_ERR(qeth_core_root_dev) : 0;
if (rc)
goto register_err;
return 0;
slab_err:
- s390_root_dev_unregister(qeth_core_root_dev);
+ root_device_unregister(qeth_core_root_dev);
register_err:
driver_remove_file(&qeth_core_ccwgroup_driver.driver,
&driver_attr_group);
static void __exit qeth_core_exit(void)
{
- s390_root_dev_unregister(qeth_core_root_dev);
+ root_device_unregister(qeth_core_root_dev);
driver_remove_file(&qeth_core_ccwgroup_driver.driver,
&driver_attr_group);
ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver);