Author: davidcs
Date: Fri Feb 14 01:02:06 2014
New Revision: 261861
URL: http://svnweb.freebsd.org/changeset/base/261861
Log:
check for defrag only when bus_dmamap_load_mbuf_sg() returns EFBIG. Comment in
qla_hw_send is moot.
Modified:
head/sys/dev/qlxgb/qla_hw.c
head/sys/dev/qlxgb/qla_os.c
Modified: head/sys/dev/qlxgb/qla_hw.c
==============================================================================
--- head/sys/dev/qlxgb/qla_hw.c Fri Feb 14 00:26:30 2014 (r261860)
+++ head/sys/dev/qlxgb/qla_hw.c Fri Feb 14 01:02:06 2014 (r261861)
@@ -998,7 +998,6 @@ qla_hw_send(qla_host_t *ha, bus_dma_segm
if (hdr_len == 0) {
if ((nsegs > Q8_TX_MAX_SEGMENTS) ||
(mp->m_pkthdr.len > ha->max_frame_size)){
- /* TBD: copy into private buffer and send it */
device_printf(dev,
"%s: (nsegs[%d, %d, 0x%b] >
Q8_TX_MAX_SEGMENTS)\n",
__func__, nsegs, mp->m_pkthdr.len,
Modified: head/sys/dev/qlxgb/qla_os.c
==============================================================================
--- head/sys/dev/qlxgb/qla_os.c Fri Feb 14 00:26:30 2014 (r261860)
+++ head/sys/dev/qlxgb/qla_os.c Fri Feb 14 01:02:06 2014 (r261861)
@@ -1063,10 +1063,7 @@ qla_send(qla_host_t *ha, struct mbuf **m
ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs,
BUS_DMA_NOWAIT);
- if ((ret == EFBIG) ||
- ((nsegs > Q8_TX_MAX_SEGMENTS) &&
- (((m_head->m_pkthdr.csum_flags & CSUM_TSO) == 0) ||
- (m_head->m_pkthdr.len <= ha->max_frame_size)))) {
+ if (ret == EFBIG) {
struct mbuf *m;
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