svn commit: r297875 - head/sys/dev/cxgbe/common

[Navdeep Parhar]

Author: np
Date: Tue Apr 12 21:17:19 2016
New Revision: 297875
URL: https://svnweb.freebsd.org/changeset/base/297875

Log:
  cxgbe(4): Always read the entire mailbox into the reply buffer.
  
  The size of the reply can be different from the size of the command in
  case a debug firmware asserts.  fw_asrt() needs the entire reply in
  order to decode the location of the assert.
  
  Sponsored by:   Chelsio Communications

Modified:
  head/sys/dev/cxgbe/common/t4_hw.c

Modified: head/sys/dev/cxgbe/common/t4_hw.c
==============================================================================
--- head/sys/dev/cxgbe/common/t4_hw.c	Tue Apr 12 21:04:10 2016	(r297874)
+++ head/sys/dev/cxgbe/common/t4_hw.c	Tue Apr 12 21:17:19 2016	(r297875)
@@ -381,7 +381,7 @@ int t4_wr_mbox_meat_timeout(struct adapt
 			/*
 			 * Retrieve the command reply and release the mailbox.
 			 */
-			get_mbox_rpl(adap, cmd_rpl, size/8, data_reg);
+			get_mbox_rpl(adap, cmd_rpl, MBOX_LEN/8, data_reg);
 			t4_write_reg(adap, ctl_reg, V_MBOWNER(X_MBOWNER_NONE));
 
 			CH_DUMP_MBOX(adap, mbox, data_reg);