qeth: rework fast path
Remove unnecessary traces. Remove unnecessary wrappers for skb
functions.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 23a4634..820c332 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -2252,14 +2252,6 @@
}
EXPORT_SYMBOL_GPL(qeth_print_status_message);
-void qeth_put_buffer_pool_entry(struct qeth_card *card,
- struct qeth_buffer_pool_entry *entry)
-{
- QETH_DBF_TEXT(TRACE, 6, "ptbfplen");
- list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list);
-}
-EXPORT_SYMBOL_GPL(qeth_put_buffer_pool_entry);
-
static void qeth_initialize_working_pool_list(struct qeth_card *card)
{
struct qeth_buffer_pool_entry *entry;
@@ -2600,7 +2592,6 @@
int rc;
int newcount = 0;
- QETH_DBF_TEXT(TRACE, 6, "queinbuf");
count = (index < queue->next_buf_to_init)?
card->qdio.in_buf_pool.buf_count -
(queue->next_buf_to_init - index) :
@@ -2789,8 +2780,6 @@
int i;
unsigned int qdio_flags;
- QETH_DBF_TEXT(TRACE, 6, "flushbuf");
-
for (i = index; i < index + count; ++i) {
buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q];
buf->buffer->element[buf->next_element_to_fill - 1].flags |=
@@ -3034,49 +3023,6 @@
}
EXPORT_SYMBOL_GPL(qeth_get_priority_queue);
-static void __qeth_free_new_skb(struct sk_buff *orig_skb,
- struct sk_buff *new_skb)
-{
- if (orig_skb != new_skb)
- dev_kfree_skb_any(new_skb);
-}
-
-static inline struct sk_buff *qeth_realloc_headroom(struct qeth_card *card,
- struct sk_buff *skb, int size)
-{
- struct sk_buff *new_skb = skb;
-
- if (skb_headroom(skb) >= size)
- return skb;
- new_skb = skb_realloc_headroom(skb, size);
- if (!new_skb)
- PRINT_ERR("Could not realloc headroom for qeth_hdr "
- "on interface %s", QETH_CARD_IFNAME(card));
- return new_skb;
-}
-
-struct sk_buff *qeth_prepare_skb(struct qeth_card *card, struct sk_buff *skb,
- struct qeth_hdr **hdr)
-{
- struct sk_buff *new_skb;
-
- QETH_DBF_TEXT(TRACE, 6, "prepskb");
-
- new_skb = qeth_realloc_headroom(card, skb,
- sizeof(struct qeth_hdr));
- if (!new_skb)
- return NULL;
-
- *hdr = ((struct qeth_hdr *)qeth_push_skb(card, new_skb,
- sizeof(struct qeth_hdr)));
- if (*hdr == NULL) {
- __qeth_free_new_skb(skb, new_skb);
- return NULL;
- }
- return new_skb;
-}
-EXPORT_SYMBOL_GPL(qeth_prepare_skb);
-
int qeth_get_elements_no(struct qeth_card *card, void *hdr,
struct sk_buff *skb, int elems)
{
@@ -3097,8 +3043,8 @@
}
EXPORT_SYMBOL_GPL(qeth_get_elements_no);
-static void __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer,
- int is_tso, int *next_element_to_fill)
+static inline void __qeth_fill_buffer(struct sk_buff *skb,
+ struct qdio_buffer *buffer, int is_tso, int *next_element_to_fill)
{
int length = skb->len;
int length_here;
@@ -3140,15 +3086,13 @@
*next_element_to_fill = element;
}
-static int qeth_fill_buffer(struct qeth_qdio_out_q *queue,
+static inline int qeth_fill_buffer(struct qeth_qdio_out_q *queue,
struct qeth_qdio_out_buffer *buf, struct sk_buff *skb)
{
struct qdio_buffer *buffer;
struct qeth_hdr_tso *hdr;
int flush_cnt = 0, hdr_len, large_send = 0;
- QETH_DBF_TEXT(TRACE, 6, "qdfillbf");
-
buffer = buf->buffer;
atomic_inc(&skb->users);
skb_queue_tail(&buf->skb_list, skb);
@@ -3207,8 +3151,6 @@
int flush_cnt = 0;
int index;
- QETH_DBF_TEXT(TRACE, 6, "dosndpfa");
-
/* spin until we get the queue ... */
while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
@@ -3260,8 +3202,6 @@
int tmp;
int rc = 0;
- QETH_DBF_TEXT(TRACE, 6, "dosndpkt");
-
/* spin until we get the queue ... */
while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
@@ -3958,7 +3898,6 @@
int use_rx_sg = 0;
int frag = 0;
- QETH_DBF_TEXT(TRACE, 6, "nextskb");
/* qeth_hdr must not cross element boundaries */
if (element->length < offset + sizeof(struct qeth_hdr)) {
if (qeth_is_last_sbale(element))
