diff options
Diffstat (limited to 'drivers/s390/net')
-rw-r--r-- | drivers/s390/net/qeth_core_main.c | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 62054afd73cc..52e3adb7864a 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -3121,7 +3121,7 @@ static void qeth_queue_input_buffer(struct qeth_card *card, int index) for (i = queue->next_buf_to_init; i < queue->next_buf_to_init + count; ++i) { if (qeth_init_input_buffer(card, - &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q])) { + &queue->bufs[QDIO_BUFNR(i)])) { break; } else { newcount++; @@ -3163,8 +3163,8 @@ static void qeth_queue_input_buffer(struct qeth_card *card, int index) if (rc) { QETH_CARD_TEXT(card, 2, "qinberr"); } - queue->next_buf_to_init = (queue->next_buf_to_init + count) % - QDIO_MAX_BUFFERS_PER_Q; + queue->next_buf_to_init = QDIO_BUFNR(queue->next_buf_to_init + + count); } } @@ -3212,7 +3212,7 @@ static int qeth_prep_flush_pack_buffer(struct qeth_qdio_out_q *queue) /* it's a packing buffer */ atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED); queue->next_buf_to_fill = - (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q; + QDIO_BUFNR(queue->next_buf_to_fill + 1); return 1; } return 0; @@ -3266,7 +3266,8 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index, unsigned int qdio_flags; for (i = index; i < index + count; ++i) { - int bidx = i % QDIO_MAX_BUFFERS_PER_Q; + unsigned int bidx = QDIO_BUFNR(i); + buf = queue->bufs[bidx]; buf->buffer->element[buf->next_element_to_fill - 1].eflags |= SBAL_EFLAGS_LAST_ENTRY; @@ -3434,8 +3435,7 @@ static void qeth_qdio_cq_handler(struct qeth_card *card, unsigned int qdio_err, } for (i = first_element; i < first_element + count; ++i) { - int bidx = i % QDIO_MAX_BUFFERS_PER_Q; - struct qdio_buffer *buffer = cq->qdio_bufs[bidx]; + struct qdio_buffer *buffer = cq->qdio_bufs[QDIO_BUFNR(i)]; int e = 0; while ((e < QDIO_MAX_ELEMENTS_PER_BUFFER) && @@ -3456,8 +3456,8 @@ static void qeth_qdio_cq_handler(struct qeth_card *card, unsigned int qdio_err, "QDIO reported an error, rc=%i\n", rc); QETH_CARD_TEXT(card, 2, "qcqherr"); } - card->qdio.c_q->next_buf_to_init = (card->qdio.c_q->next_buf_to_init - + count) % QDIO_MAX_BUFFERS_PER_Q; + + cq->next_buf_to_init = QDIO_BUFNR(cq->next_buf_to_init + count); } static void qeth_qdio_input_handler(struct ccw_device *ccwdev, @@ -3483,7 +3483,6 @@ static void qeth_qdio_output_handler(struct ccw_device *ccwdev, { struct qeth_card *card = (struct qeth_card *) card_ptr; struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue]; - struct qeth_qdio_out_buffer *buffer; struct net_device *dev = card->dev; struct netdev_queue *txq; int i; @@ -3497,10 +3496,10 @@ static void qeth_qdio_output_handler(struct ccw_device *ccwdev, } for (i = first_element; i < (first_element + count); ++i) { - int bidx = i % QDIO_MAX_BUFFERS_PER_Q; - buffer = queue->bufs[bidx]; - qeth_handle_send_error(card, buffer, qdio_error); - qeth_clear_output_buffer(queue, buffer, qdio_error, 0); + struct qeth_qdio_out_buffer *buf = queue->bufs[QDIO_BUFNR(i)]; + + qeth_handle_send_error(card, buf, qdio_error); + qeth_clear_output_buffer(queue, buf, qdio_error, 0); } atomic_sub(count, &queue->used_buffers); @@ -3932,8 +3931,7 @@ int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, 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; + QDIO_BUFNR(queue->next_buf_to_fill + 1); buffer = queue->bufs[queue->next_buf_to_fill]; /* We stepped forward, so sanity-check again: */ @@ -3966,8 +3964,8 @@ int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, if (!queue->do_pack || stopped || next_element >= queue->max_elements) { flush_count++; atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED); - queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % - QDIO_MAX_BUFFERS_PER_Q; + queue->next_buf_to_fill = + QDIO_BUFNR(queue->next_buf_to_fill + 1); } if (flush_count) @@ -5199,8 +5197,7 @@ int qeth_poll(struct napi_struct *napi, int budget) card->rx.b_count--; if (card->rx.b_count) { card->rx.b_index = - (card->rx.b_index + 1) % - QDIO_MAX_BUFFERS_PER_Q; + QDIO_BUFNR(card->rx.b_index + 1); card->rx.b_element = &card->qdio.in_q ->bufs[card->rx.b_index] |