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From: David C Somayajulu <davidcs@FreeBSD.org>
Date: Fri, 14 Feb 2014 01:02:07 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r261861 - head/sys/dev/qlxgb
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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;