From 9669f53b98974ede4728e288316296666722ab8c Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Thu, 18 Jan 2007 09:25:26 -0800 Subject: [PATCH] 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 --- drivers/net/e1000/e1000_main.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index ab1b40f644d7..43dde2733ec0 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 */ -- 2.30.2