* Mon May 15 2006 Stuarth Hughes <stuarth@freescale.com> u
on behalf of Joseph Palazzo:

This patch provides user access for three additional TSEC parameters. These are:

fifo-tx-thr
fifo-tx-starve
fifo-tx-starve-shutoff


---
 ethtool-copy.h |   15 +++++++++++++++
 ethtool.c      |   23 ++++++++++++++++++++---
 2 files changed, 35 insertions(+), 3 deletions(-)

--- ethtool-2.6.35.orig/ethtool-copy.h
+++ ethtool-2.6.35/ethtool-copy.h
@@ -201,6 +201,21 @@ struct ethtool_coalesce {
	 * measured in seconds.  Must not be zero.
	 */
	__u32	rate_sample_interval;
+	/* The main purpose of the threshold register is to trigger the unloading of FIFO data to the PHY. It
+	 * represents the numerical SRAM entry (0-511 for 2-Kbyte FIFO) to trigger the threshold function.
+	 * If the number of valid entries in the FIFO is equal to or greater than the threshold register,
+	 * transmission can begin.
+	 */
+	__u32 fifo_tx_thr;
+	/* The purpose of the starve register is to inform the system of extremely
+	 * imminent underrun conditions.
+	 */
+	__u32 fifo_tx_starve;
+	/* The starve shutoff register contains the watermark level to be used for
+	 * exiting the starve state.
+	 */
+	__u32 fifo_tx_starve_shutoff;
+
 };

 /* for configuring RX/TX ring parameters */
--- ethtool-2.6.35.orig/ethtool.c
+++ ethtool-2.6.35/ethtool.c
@@ -183,7 +183,10 @@ static struct option {
		"		[rx-frames-high N]\n"
		"		[tx-usecs-high N]\n"
		"		[tx-frames-high N]\n"
-	        "		[sample-interval N]\n" },
+		"		[fifo-tx-thr N] \n"
+		"		[fifo-tx-starve N] \n"
+		"		[fifo-tx-starve-shutoff N] \n"
+		"		[sample-interval N]\n" },
     { "-g", "--show-ring", MODE_GRING, "Query RX/TX ring parameters" },
     { "-G", "--set-ring", MODE_SRING, "Set RX/TX ring parameters",
		"		[ rx N ]\n"
@@ -330,6 +333,9 @@ static s32 coal_rx_usec_high_wanted = -1
 static s32 coal_rx_frames_high_wanted = -1;
 static s32 coal_tx_usec_high_wanted = -1;
 static s32 coal_tx_frames_high_wanted = -1;
+static int coal_fifo_tx_thr = -1;
+static int coal_fifo_tx_starve = -1;
+static int coal_fifo_tx_starve_shutoff = -1;

 static int speed_wanted = -1;
 static int duplex_wanted = -1;
@@ -477,6 +483,9 @@ static struct cmdline_info cmdline_coale
	{ "rx-frames-high", CMDL_S32, &coal_rx_frames_high_wanted, &ecoal.rx_max_coalesced_frames_high },
	{ "tx-usecs-high", CMDL_S32, &coal_tx_usec_high_wanted, &ecoal.tx_coalesce_usecs_high },
	{ "tx-frames-high", CMDL_S32, &coal_tx_frames_high_wanted, &ecoal.tx_max_coalesced_frames_high },
+	{ "fifo-tx-thr", CMDL_S32, &coal_fifo_tx_thr, &ecoal.fifo_tx_thr },
+	{ "fifo-tx-starve", CMDL_S32, &coal_fifo_tx_starve, &ecoal.fifo_tx_starve },
+	{ "fifo-tx-starve-shutoff", CMDL_S32, &coal_fifo_tx_starve_shutoff, &ecoal.fifo_tx_starve_shutoff },
 };

 static struct cmdline_info cmdline_ntuple[] = {
@@ -1702,6 +1711,10 @@ static int dump_coalesce(void)
		"rx-frame-high: %u\n"
		"tx-usecs-high: %u\n"
		"tx-frame-high: %u\n"
+		"\n"
+		"fifo-tx-thr: %u\n"
+		"fifo-tx-starve: %u\n"
+		"fifo-tx-starve-shutoff: %u\n"
		"\n",
		ecoal.stats_block_coalesce_usecs,
		ecoal.rate_sample_interval,
@@ -1726,9 +1739,13 @@ static int dump_coalesce(void)
		ecoal.rx_coalesce_usecs_high,
		ecoal.rx_max_coalesced_frames_high,
		ecoal.tx_coalesce_usecs_high,
-		ecoal.tx_max_coalesced_frames_high);
+		ecoal.tx_max_coalesced_frames_high,

-	return 0;
+		ecoal.fifo_tx_thr,
+		ecoal.fifo_tx_starve,
+		ecoal.fifo_tx_starve_shutoff
+		);
+		return 0;
 }

 static int dump_offload(int rx, int tx, int sg, int tso, int ufo, int gso,