diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/net/qeth_core.h | 9 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 55 |
2 files changed, 9 insertions, 55 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 6be43eb126b..f47a714538d 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -440,7 +440,6 @@ struct qeth_qdio_out_q { * index of buffer to be filled by driver; state EMPTY or PACKING */ int next_buf_to_fill; - int sync_iqdio_error; /* * number of buffers that are currently filled (PRIMED) * -> these buffers are hardware-owned @@ -695,14 +694,6 @@ struct qeth_mc_mac { int is_vmac; }; -struct qeth_skb_data { - __u32 magic; - int count; -}; - -#define QETH_SKB_MAGIC 0x71657468 -#define QETH_SIGA_CC2_RETRIES 3 - struct qeth_rx { int b_count; int b_index; diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 76426706260..e6b2df0e73f 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -877,8 +877,8 @@ out: return; } -static void __qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, - struct qeth_qdio_out_buffer *buf, unsigned int qeth_skip_skb) +static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, + struct qeth_qdio_out_buffer *buf) { int i; struct sk_buff *skb; @@ -887,13 +887,11 @@ static void __qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, if (buf->buffer->element[0].flags & 0x40) atomic_dec(&queue->set_pci_flags_count); - if (!qeth_skip_skb) { + skb = skb_dequeue(&buf->skb_list); + while (skb) { + atomic_dec(&skb->users); + dev_kfree_skb_any(skb); skb = skb_dequeue(&buf->skb_list); - while (skb) { - atomic_dec(&skb->users); - dev_kfree_skb_any(skb); - skb = skb_dequeue(&buf->skb_list); - } } for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i) { if (buf->buffer->element[i].addr && buf->is_header[i]) @@ -909,12 +907,6 @@ static void __qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY); } -static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, - struct qeth_qdio_out_buffer *buf) -{ - __qeth_clear_output_buffer(queue, buf, 0); -} - void qeth_clear_qdio_buffers(struct qeth_card *card) { int i, j; @@ -2833,7 +2825,6 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, } } - queue->sync_iqdio_error = 0; queue->card->dev->trans_start = jiffies; if (queue->card->options.performance_stats) { queue->card->perf_stats.outbound_do_qdio_cnt++; @@ -2849,10 +2840,6 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() - queue->card->perf_stats.outbound_do_qdio_start_time; - if (rc > 0) { - if (!(rc & QDIO_ERROR_SIGA_BUSY)) - queue->sync_iqdio_error = rc & 3; - } if (rc) { queue->card->stats.tx_errors += count; /* ignore temporary SIGA errors without busy condition */ @@ -2916,7 +2903,7 @@ void qeth_qdio_start_poll(struct ccw_device *ccwdev, int queue, { struct qeth_card *card = (struct qeth_card *)card_ptr; - if (card->dev) + if (card->dev && (card->dev->flags & IFF_UP)) napi_schedule(&card->napi); } EXPORT_SYMBOL_GPL(qeth_qdio_start_poll); @@ -2940,7 +2927,6 @@ void qeth_qdio_output_handler(struct ccw_device *ccwdev, struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue]; struct qeth_qdio_out_buffer *buffer; int i; - unsigned qeth_send_err; QETH_CARD_TEXT(card, 6, "qdouhdl"); if (qdio_error & QDIO_ERROR_ACTIVATE_CHECK_CONDITION) { @@ -2956,9 +2942,8 @@ void qeth_qdio_output_handler(struct ccw_device *ccwdev, } for (i = first_element; i < (first_element + count); ++i) { buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; - qeth_send_err = qeth_handle_send_error(card, buffer, qdio_error); - __qeth_clear_output_buffer(queue, buffer, - (qeth_send_err == QETH_SEND_ERROR_RETRY) ? 1 : 0); + qeth_handle_send_error(card, buffer, qdio_error); + qeth_clear_output_buffer(queue, buffer); } atomic_sub(count, &queue->used_buffers); /* check if we need to do something on this outbound queue */ @@ -3183,10 +3168,7 @@ int qeth_do_send_packet_fast(struct qeth_card *card, int offset, int hd_len) { struct qeth_qdio_out_buffer *buffer; - struct sk_buff *skb1; - struct qeth_skb_data *retry_ctrl; int index; - int rc; /* spin until we get the queue ... */ while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, @@ -3205,25 +3187,6 @@ int qeth_do_send_packet_fast(struct qeth_card *card, atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); qeth_fill_buffer(queue, buffer, skb, hdr, offset, hd_len); qeth_flush_buffers(queue, index, 1); - if (queue->sync_iqdio_error == 2) { - skb1 = skb_dequeue(&buffer->skb_list); - while (skb1) { - atomic_dec(&skb1->users); - skb1 = skb_dequeue(&buffer->skb_list); - } - retry_ctrl = (struct qeth_skb_data *) &skb->cb[16]; - if (retry_ctrl->magic != QETH_SKB_MAGIC) { - retry_ctrl->magic = QETH_SKB_MAGIC; - retry_ctrl->count = 0; - } - if (retry_ctrl->count < QETH_SIGA_CC2_RETRIES) { - retry_ctrl->count++; - rc = dev_queue_xmit(skb); - } else { - dev_kfree_skb_any(skb); - QETH_CARD_TEXT(card, 2, "qrdrop"); - } - } return 0; out: atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); |