netdev - [PATCH 6/13] tg3: CPMU adjustments for loopback tests

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <1194655132.5745.268.camel@teletran1>
Date:	Fri, 09 Nov 2007 16:38:52 -0800
From:	"Matt Carlson" <mcarlson@...adcom.com>
To:	davem@...emloft.net
cc:	netdev@...r.kernel.org, andy@...yhouse.net,
	"Michael Chan" <mchan@...adcom.com>
Subject: [PATCH 6/13] tg3: CPMU adjustments for loopback tests

This patch adds the LINK_SPEED mode to the list of CPMU modes that can
cause the loopback tests to fail.  These bugs are planned to be fixed in
future revisions of the chip, so the patch qualifies the fixes as such.

Signed-off-by: Matt Carlson <mcarlson@...adcom.com>
Signed-off-by: Michael Chan <mchan@...adcom.com>

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index ef849b1..25e57d8 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -9354,7 +9354,8 @@ static int tg3_test_loopback(struct tg3 *tp)
 	if (err)
 		return TG3_LOOPBACK_FAILED;
 
-	if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
+	if (tp->pci_chip_rev_id == CHIPREV_ID_5784_A0 ||
+	    tp->pci_chip_rev_id == CHIPREV_ID_5761_A0) {
 		int i;
 		u32 status;
 
@@ -9371,17 +9372,18 @@ static int tg3_test_loopback(struct tg3 *tp)
 		if (status != CPMU_MUTEX_GNT_DRIVER)
 			return TG3_LOOPBACK_FAILED;
 
-		cpmuctrl = tr32(TG3_CPMU_CTRL);
-
 		/* Turn off power management based on link speed. */
+		cpmuctrl = tr32(TG3_CPMU_CTRL);
 		tw32(TG3_CPMU_CTRL,
-		     cpmuctrl & ~CPMU_CTRL_LINK_SPEED_MODE);
+		     cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE |
+				  CPMU_CTRL_LINK_AWARE_MODE));
 	}
 
 	if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
 		err |= TG3_MAC_LOOPBACK_FAILED;
 
-	if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
+	if (tp->pci_chip_rev_id == CHIPREV_ID_5784_A0 ||
+	    tp->pci_chip_rev_id == CHIPREV_ID_5761_A0) {
 		tw32(TG3_CPMU_CTRL, cpmuctrl);
 
 		/* Release the mutex */


-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html