svn commit: r280807 - head/sys/dev/sfxge

[Andrew Rybchenko]

Author: arybchik
Date: Sun Mar 29 15:18:04 2015
New Revision: 280807
URL: https://svnweb.freebsd.org/changeset/base/280807

Log:
  sfxge: fix bug in TSO when a DMA segment has both header and data
  
  Reviewed by:    gnn
  Sponsored by:   Solarflare Communications, Inc.
  MFC after:      2 days
  Differential Revision: https://reviews.freebsd.org/D2163

Modified:
  head/sys/dev/sfxge/sfxge_tx.c

Modified: head/sys/dev/sfxge/sfxge_tx.c
==============================================================================
--- head/sys/dev/sfxge/sfxge_tx.c	Sun Mar 29 12:00:51 2015	(r280806)
+++ head/sys/dev/sfxge/sfxge_tx.c	Sun Mar 29 15:18:04 2015	(r280807)
@@ -1025,7 +1025,7 @@ sfxge_tx_queue_tso(struct sfxge_txq *txq
 		KASSERT(n_dma_seg, ("no payload found in TSO packet"));
 		++dma_seg;
 	}
-	tso.in_len = dma_seg->ds_len + (tso.header_len - skipped);
+	tso.in_len = dma_seg->ds_len - (tso.header_len - skipped);
 	tso.dma_addr = dma_seg->ds_addr + (tso.header_len - skipped);
 
 	id = txq->added & txq->ptr_mask;