netdev - [PATCH 5/8] e1000: display flow control of link status at link up

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-Id: <20070113003749.16816.61771.stgit@gitlost.site>
Date:	Fri, 12 Jan 2007 16:37:49 -0800
From:	"Kok, Auke" <auke-jan.h.kok@...el.com>
To:	"Garzik, Jeff" <jgarzik@...ox.com>
Cc:	netdev@...r.kernel.org,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"Kok, Auke" <auke-jan.h.kok@...el.com>,
	"Kok, Auke" <auke@...-projects.org>,
	"Ronciak, John" <john.ronciak@...el.com>
Subject: [PATCH 5/8] e1000: display flow control of link status at link up


Print RX/TX flow control setting at link up time to display the
actual link FC properties instead of the advertised values.

Signed-off-by: Auke Kok <auke-jan.h.kok@...el.com>
---

 drivers/net/e1000/e1000_main.c |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index ab1b40f..43dde27 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2583,15 +2583,22 @@ e1000_watchdog(unsigned long data)
 
 	if (link) {
 		if (!netif_carrier_ok(netdev)) {
+			uint32_t ctrl;
 			boolean_t txb2b = 1;
 			e1000_get_speed_and_duplex(&adapter->hw,
 			                           &adapter->link_speed,
 			                           &adapter->link_duplex);
 
-			DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s\n",
-			       adapter->link_speed,
-			       adapter->link_duplex == FULL_DUPLEX ?
-			       "Full Duplex" : "Half Duplex");
+			ctrl = E1000_READ_REG(&adapter->hw, CTRL);
+			DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s, "
+			        "Flow Control: %s\n",
+			        adapter->link_speed,
+			        adapter->link_duplex == FULL_DUPLEX ?
+			        "Full Duplex" : "Half Duplex",
+			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
+			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
+			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
+			        E1000_CTRL_TFCE) ? "TX" : "None" )));
 
 			/* tweak tx_queue_len according to speed/duplex
 			 * and adjust the timeout factor */



---
Auke Kok <auke-jan.h.kok@...el.com>
-
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