K 10
svn:author
V 8
arybchik
K 8
svn:date
V 27
2015-03-25T11:08:41.555644Z
K 7
svn:log
V 287
MFC: 279144

sfxge: packet can't require more than n_dma_seg descriptors plus one

Use remaining number of DMA segment instead of maximum number in mapping
when checking space for one more TSO segment packet.

Sponsored by:   Solarflare Communications, Inc.
Approved by:    gnn (mentor)

END