Author: rmacklem
Date: Sun Aug 24 13:03:51 2014
New Revision: 270458
URL: http://svnweb.freebsd.org/changeset/base/270458
Log:
MFC: r268726
Move the "retry:" label so that the calls to m_pullup() are
not done after the call to m_defrag(). This fixes a problem
where m_pullup() would prepend an mbuf to the list created
by m_defrag() making the chain greater than 32 again.
Modified:
stable/9/sys/dev/e1000/if_em.c
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/dev/ (props changed)
stable/9/sys/dev/e1000/ (props changed)
Modified: stable/9/sys/dev/e1000/if_em.c
==============================================================================
--- stable/9/sys/dev/e1000/if_em.c Sun Aug 24 12:51:34 2014
(r270457)
+++ stable/9/sys/dev/e1000/if_em.c Sun Aug 24 13:03:51 2014
(r270458)
@@ -1830,7 +1830,6 @@ em_xmit(struct tx_ring *txr, struct mbuf
int nsegs, i, j, first, last = 0;
int error, do_tso, tso_desc = 0, remap = 1;
-retry:
m_head = *m_headp;
txd_upper = txd_lower = txd_used = txd_saved = 0;
do_tso = ((m_head->m_pkthdr.csum_flags & CSUM_TSO) != 0);
@@ -1956,6 +1955,7 @@ retry:
tx_buffer_mapped = tx_buffer;
map = tx_buffer->map;
+retry:
error = bus_dmamap_load_mbuf_sg(txr->txtag, map,
*m_headp, segs, &nsegs, BUS_DMA_NOWAIT);
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