[TG3]: Improve 5704S autoneg.

Improve 5704S autoneg logic by using a serdes_counter field to keep
track of the transient states.  This eliminates a 200 msec busy
loop in the code.  Autoneg will take its course without the driver
busy waiting for it to finish.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 3ecf356cfb0..f9c81baca8d 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2203,7 +2203,6 @@ struct tg3 {
 #define TG3_FLG2_PCI_EXPRESS            0x00000200
 #define TG3_FLG2_ASF_NEW_HANDSHAKE      0x00000400
 #define TG3_FLG2_HW_AUTONEG             0x00000800
-#define TG3_FLG2_PHY_JUST_INITTED       0x00001000
 #define TG3_FLG2_PHY_SERDES             0x00002000
 #define TG3_FLG2_CAPACITIVE_COUPLING    0x00004000
 #define TG3_FLG2_FLASH                  0x00008000
@@ -2236,6 +2235,12 @@ struct tg3 {
         u16                             asf_counter;
         u16                             asf_multiplier;
 
+        /* 1 second counter for transient serdes link events */
+        u32                             serdes_counter;
+#define SERDES_AN_TIMEOUT_5704S         2
+#define SERDES_PARALLEL_DET_TIMEOUT     1
+#define SERDES_AN_TIMEOUT_5714S         1
+
         struct tg3_link_config          link_config;
         struct tg3_bufmgr_config        bufmgr_config;