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-rw-r--r--drivers/s390/net/qeth_core.h10
-rw-r--r--drivers/s390/net/qeth_core_main.c34
-rw-r--r--drivers/s390/net/qeth_l2_main.c2
3 files changed, 22 insertions, 24 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 92441593caf3..73afbb8b69e5 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -484,14 +484,12 @@ struct qeth_qdio_out_q {
struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
struct qdio_outbuf_state *bufstates; /* convenience pointer */
struct qeth_out_q_stats stats;
- int queue_no;
+ u8 next_buf_to_fill;
+ u8 max_elements;
+ u8 queue_no;
+ u8 do_pack;
struct qeth_card *card;
atomic_t state;
- int do_pack;
- /*
- * index of buffer to be filled by driver; state EMPTY or PACKING
- */
- int next_buf_to_fill;
/*
* number of buffers that are currently filled (PRIMED)
* -> these buffers are hardware-owned
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 5d8777c4d1a6..009f2c0ec504 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1165,15 +1165,14 @@ static void qeth_clear_output_buffer(struct qeth_qdio_out_q *queue,
qeth_release_skbs(buf);
- for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i) {
+ for (i = 0; i < queue->max_elements; ++i) {
if (buf->buffer->element[i].addr && buf->is_header[i])
kmem_cache_free(qeth_core_header_cache,
buf->buffer->element[i].addr);
buf->is_header[i] = 0;
}
- qeth_scrub_qdio_buffer(buf->buffer,
- QETH_MAX_BUFFER_ELEMENTS(queue->card));
+ qeth_scrub_qdio_buffer(buf->buffer, queue->max_elements);
buf->next_element_to_fill = 0;
atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY);
}
@@ -2727,14 +2726,15 @@ int qeth_init_qdio_queues(struct qeth_card *card)
/* outbound queue */
for (i = 0; i < card->qdio.no_out_queues; ++i) {
- qdio_reset_buffers(card->qdio.out_qs[i]->qdio_bufs,
- QDIO_MAX_BUFFERS_PER_Q);
- card->qdio.out_qs[i]->next_buf_to_fill = 0;
- card->qdio.out_qs[i]->do_pack = 0;
- atomic_set(&card->qdio.out_qs[i]->used_buffers, 0);
- atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0);
- atomic_set(&card->qdio.out_qs[i]->state,
- QETH_OUT_Q_UNLOCKED);
+ struct qeth_qdio_out_q *queue = card->qdio.out_qs[i];
+
+ qdio_reset_buffers(queue->qdio_bufs, QDIO_MAX_BUFFERS_PER_Q);
+ queue->max_elements = QETH_MAX_BUFFER_ELEMENTS(card);
+ queue->next_buf_to_fill = 0;
+ queue->do_pack = 0;
+ atomic_set(&queue->used_buffers, 0);
+ atomic_set(&queue->set_pci_flags_count, 0);
+ atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
}
return 0;
}
@@ -3558,7 +3558,7 @@ static void qeth_qdio_output_handler(struct ccw_device *ccwdev,
/* prepare the queue slot for re-use: */
qeth_scrub_qdio_buffer(buffer->buffer,
- QETH_MAX_BUFFER_ELEMENTS(card));
+ queue->max_elements);
if (qeth_init_qdio_out_buf(queue, bidx)) {
QETH_CARD_TEXT(card, 2, "outofbuf");
qeth_schedule_recovery(card);
@@ -3705,8 +3705,8 @@ static int qeth_add_hw_header(struct qeth_qdio_out_q *queue,
unsigned int hdr_len, unsigned int proto_len,
unsigned int *elements)
{
- const unsigned int max_elements = QETH_MAX_BUFFER_ELEMENTS(queue->card);
const unsigned int contiguous = proto_len ? proto_len : 1;
+ const unsigned int max_elements = queue->max_elements;
unsigned int __elements;
addr_t start, end;
bool push_ok;
@@ -3878,8 +3878,8 @@ static int qeth_fill_buffer(struct qeth_qdio_out_q *queue,
QETH_TXQ_STAT_INC(queue, skbs_pack);
/* If the buffer still has free elements, keep using it. */
- if (!flush && buf->next_element_to_fill <
- QETH_MAX_BUFFER_ELEMENTS(queue->card))
+ if (!flush &&
+ buf->next_element_to_fill < queue->max_elements)
return 0;
}
@@ -3959,8 +3959,8 @@ int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
if (queue->do_pack) {
do_pack = 1;
/* does packet fit in current buffer? */
- if ((QETH_MAX_BUFFER_ELEMENTS(card) -
- buffer->next_element_to_fill) < elements_needed) {
+ if (buffer->next_element_to_fill + elements_needed >
+ queue->max_elements) {
/* ... no -> set state PRIMED */
atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED);
flush_count++;
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index fb21136c0ec2..cee9a99dd463 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -581,7 +581,7 @@ static int qeth_l2_xmit_osn(struct qeth_card *card, struct sk_buff *skb,
}
elements += qeth_count_elements(skb, hd_len);
- if (elements > QETH_MAX_BUFFER_ELEMENTS(card)) {
+ if (elements > queue->max_elements) {
rc = -E2BIG;
goto out;
}