tg3: Show flowctrl settings through get_settings()

This patch adds code to present the flow control advertisements through
the ethtool get_settings callback.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index b4f5e923515f..7b1e2abf0cea 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -9936,6 +9936,18 @@ static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
         }
 
         cmd->advertising = tp->link_config.advertising;
+        if (tg3_flag(tp, PAUSE_AUTONEG)) {
+                if (tp->link_config.flowctrl & FLOW_CTRL_RX) {
+                        if (tp->link_config.flowctrl & FLOW_CTRL_TX) {
+                                cmd->advertising |= ADVERTISED_Pause;
+                        } else {
+                                cmd->advertising |= ADVERTISED_Pause |
+                                                    ADVERTISED_Asym_Pause;
+                        }
+                } else if (tp->link_config.flowctrl & FLOW_CTRL_TX) {
+                        cmd->advertising |= ADVERTISED_Asym_Pause;
+                }
+        }
         if (netif_running(dev)) {
                 ethtool_cmd_speed_set(cmd, tp->link_config.active_speed);
                 cmd->duplex = tp->link_config.active_duplex;