diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/net/qeth_core.h | 3 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 73 |
2 files changed, 29 insertions, 47 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index ad0e86aa99b2..5de5b419a761 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -422,8 +422,7 @@ enum qeth_qdio_out_buffer_state { /* Finished by the TX completion code: */ QETH_QDIO_BUF_NEED_QAOB, /* Received QAOB notification on CQ: */ - QETH_QDIO_BUF_QAOB_OK, - QETH_QDIO_BUF_QAOB_ERROR, + QETH_QDIO_BUF_QAOB_DONE, }; struct qeth_qdio_out_buffer { diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 83d540f8b527..99e3b0b75cc3 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -70,9 +70,6 @@ static void qeth_issue_next_read_cb(struct qeth_card *card, unsigned int data_length); static int qeth_qdio_establish(struct qeth_card *); static void qeth_free_qdio_queues(struct qeth_card *card); -static void qeth_notify_skbs(struct qeth_qdio_out_q *queue, - struct qeth_qdio_out_buffer *buf, - enum iucv_tx_notify notification); static void qeth_close_dev_handler(struct work_struct *work) { @@ -437,12 +434,9 @@ static enum iucv_tx_notify qeth_compute_cq_notification(int sbalf15, static void qeth_qdio_handle_aob(struct qeth_card *card, unsigned long phys_aob_addr) { - enum qeth_qdio_out_buffer_state new_state = QETH_QDIO_BUF_QAOB_OK; struct qaob *aob; struct qeth_qdio_out_buffer *buffer; - enum iucv_tx_notify notification; struct qeth_qdio_out_q *queue; - unsigned int i; aob = (struct qaob *) phys_to_virt(phys_aob_addr); QETH_CARD_TEXT(card, 5, "haob"); @@ -450,12 +444,10 @@ static void qeth_qdio_handle_aob(struct qeth_card *card, buffer = (struct qeth_qdio_out_buffer *) aob->user1; QETH_CARD_TEXT_(card, 5, "%lx", aob->user1); - if (aob->aorc) { + if (aob->aorc) QETH_CARD_TEXT_(card, 2, "aorc%02X", aob->aorc); - new_state = QETH_QDIO_BUF_QAOB_ERROR; - } - switch (atomic_xchg(&buffer->state, new_state)) { + switch (atomic_xchg(&buffer->state, QETH_QDIO_BUF_QAOB_DONE)) { case QETH_QDIO_BUF_PRIMED: /* Faster than TX completion code, let it handle the async * completion for us. It will also recycle the QAOB. @@ -468,21 +460,6 @@ static void qeth_qdio_handle_aob(struct qeth_card *card, break; case QETH_QDIO_BUF_NEED_QAOB: /* TX completion code is already finished. */ - notification = qeth_compute_cq_notification(aob->aorc, 1); - qeth_notify_skbs(buffer->q, buffer, notification); - - /* Free dangling allocations. The attached skbs are handled by - * qeth_tx_complete_pending_bufs(), and so is the QAOB. - */ - for (i = 0; - i < aob->sb_count && i < QETH_MAX_BUFFER_ELEMENTS(card); - i++) { - void *data = phys_to_virt(aob->sba[i]); - - if (data && buffer->is_header[i]) - kmem_cache_free(qeth_core_header_cache, data); - buffer->is_header[i] = 0; - } queue = buffer->q; atomic_set(&buffer->state, QETH_QDIO_BUF_EMPTY); @@ -1435,15 +1412,29 @@ static void qeth_tx_complete_pending_bufs(struct qeth_card *card, struct qeth_qdio_out_buffer *buf, *tmp; list_for_each_entry_safe(buf, tmp, &queue->pending_bufs, list_entry) { + struct qaob *aob = buf->aob; + enum iucv_tx_notify notify; + unsigned int i; + if (drain || atomic_read(&buf->state) == QETH_QDIO_BUF_EMPTY) { QETH_CARD_TEXT(card, 5, "fp"); QETH_CARD_TEXT_(card, 5, "%lx", (long) buf); - if (drain) - qeth_notify_skbs(queue, buf, - TX_NOTIFY_GENERALERROR); + notify = drain ? TX_NOTIFY_GENERALERROR : + qeth_compute_cq_notification(aob->aorc, 1); + qeth_notify_skbs(queue, buf, notify); qeth_tx_complete_buf(buf, drain, budget); + for (i = 0; + i < aob->sb_count && i < queue->max_elements; + i++) { + void *data = phys_to_virt(aob->sba[i]); + + if (data && buf->is_header[i]) + kmem_cache_free(qeth_core_header_cache, + data); + } + list_del(&buf->list_entry); qeth_free_out_buf(buf); } @@ -6048,6 +6039,7 @@ static void qeth_iqd_tx_complete(struct qeth_qdio_out_q *queue, if (qdio_error == QDIO_ERROR_SLSB_PENDING) { struct qaob *aob = buffer->aob; + enum iucv_tx_notify notify; if (!aob) { netdev_WARN_ONCE(card->dev, @@ -6084,30 +6076,21 @@ static void qeth_iqd_tx_complete(struct qeth_qdio_out_q *queue, &queue->pending_bufs); /* Skip clearing the buffer: */ return; - case QETH_QDIO_BUF_QAOB_OK: - qeth_notify_skbs(queue, buffer, - TX_NOTIFY_DELAYED_OK); - error = false; - break; - case QETH_QDIO_BUF_QAOB_ERROR: - qeth_notify_skbs(queue, buffer, - TX_NOTIFY_DELAYED_GENERALERROR); - error = true; + case QETH_QDIO_BUF_QAOB_DONE: + notify = qeth_compute_cq_notification(aob->aorc, 1); + qeth_notify_skbs(queue, buffer, notify); + error = !!aob->aorc; break; default: WARN_ON_ONCE(1); } break; - case QETH_QDIO_BUF_QAOB_OK: - /* qeth_qdio_handle_aob() already received a QAOB: */ - qeth_notify_skbs(queue, buffer, TX_NOTIFY_OK); - error = false; - break; - case QETH_QDIO_BUF_QAOB_ERROR: + case QETH_QDIO_BUF_QAOB_DONE: /* qeth_qdio_handle_aob() already received a QAOB: */ - qeth_notify_skbs(queue, buffer, TX_NOTIFY_GENERALERROR); - error = true; + notify = qeth_compute_cq_notification(aob->aorc, 0); + qeth_notify_skbs(queue, buffer, notify); + error = !!aob->aorc; break; default: WARN_ON_ONCE(1); |