diff options
Diffstat (limited to 'drivers/s390/net/qeth_tso.c')
| -rw-r--r-- | drivers/s390/net/qeth_tso.c | 49 |
1 files changed, 10 insertions, 39 deletions
diff --git a/drivers/s390/net/qeth_tso.c b/drivers/s390/net/qeth_tso.c index c919762..4e58f19 100644 --- a/drivers/s390/net/qeth_tso.c +++ b/drivers/s390/net/qeth_tso.c @@ -1,5 +1,5 @@ /* - * linux/drivers/s390/net/qeth_tso.c ($Revision: 1.6 $) + * linux/drivers/s390/net/qeth_tso.c ($Revision: 1.7 $) * * Header file for qeth TCP Segmentation Offload support. * @@ -7,7 +7,7 @@ * * Author(s): Frank Pavlic <pavlic@de.ibm.com> * - * $Revision: 1.6 $ $Date: 2005/03/24 09:04:18 $ + * $Revision: 1.7 $ $Date: 2005/04/01 21:40:41 $ * */ @@ -144,38 +144,6 @@ qeth_tso_get_queue_buffer(struct qeth_qdio_out_q *queue) return flush_cnt; } -static inline void -__qeth_tso_fill_buffer_frag(struct qeth_qdio_out_buffer *buf, - struct sk_buff *skb) -{ - struct skb_frag_struct *frag; - struct qdio_buffer *buffer; - int fragno, cnt, element; - unsigned long addr; - - QETH_DBF_TEXT(trace, 6, "tsfilfrg"); - - /*initialize variables ...*/ - fragno = skb_shinfo(skb)->nr_frags; - buffer = buf->buffer; - element = buf->next_element_to_fill; - /*fill buffer elements .....*/ - for (cnt = 0; cnt < fragno; cnt++) { - frag = &skb_shinfo(skb)->frags[cnt]; - addr = (page_to_pfn(frag->page) << PAGE_SHIFT) + - frag->page_offset; - buffer->element[element].addr = (char *)addr; - buffer->element[element].length = frag->size; - if (cnt < (fragno - 1)) - buffer->element[element].flags = - SBAL_FLAGS_MIDDLE_FRAG; - else - buffer->element[element].flags = - SBAL_FLAGS_LAST_FRAG; - element++; - } - buf->next_element_to_fill = element; -} static inline int qeth_tso_fill_buffer(struct qeth_qdio_out_buffer *buf, @@ -205,19 +173,22 @@ qeth_tso_fill_buffer(struct qeth_qdio_out_buffer *buf, buffer->element[element].length = hdr_len; buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG; buf->next_element_to_fill++; - + /*check if we have frags ...*/ if (skb_shinfo(skb)->nr_frags > 0) { - __qeth_tso_fill_buffer_frag(buf, skb); + skb->len = length; + skb->data = data; + __qeth_fill_buffer_frag(skb, buffer,1, + (int *)&buf->next_element_to_fill); goto out; } - /*start filling buffer entries ...*/ + /*... if not, use this */ element++; while (length > 0) { /* length_here is the remaining amount of data in this page */ length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE); if (length < length_here) - length_here = length; + length_here = length; buffer->element[element].addr = data; buffer->element[element].length = length_here; length -= length_here; @@ -230,9 +201,9 @@ qeth_tso_fill_buffer(struct qeth_qdio_out_buffer *buf, data += length_here; element++; } - /*set the buffer to primed ...*/ buf->next_element_to_fill = element; out: + /*prime buffer now ...*/ atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); return 1; } |