---

yaml --- r: 179115 b: refs/heads/master c: f464ba8 h: refs/heads/master i: 179113: b9aef94 179111: 0c3ee3a v: v3
git-mirror · Jan 8, 2010 · 576866e · 576866e
1 parent b7ee286
commit 576866e
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Showing 6 changed files with 22 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 29477e249f5a28444c556bbb816f3af2b6f84412
+refs/heads/master: f464ba87fe7f346e270239354eb0d38f7a3b3e6b
diff --git a/trunk/drivers/net/e1000e/82571.c b/trunk/drivers/net/e1000e/82571.c
@@ -237,6 +237,8 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
 	/* Set if manageability features are enabled. */
 	mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK)
 	                ? true : false;
+	/* Adaptive IFS supported */
+	mac->adaptive_ifs = true;
 
 	/* check for link */
 	switch (hw->phy.media_type) {

diff --git a/trunk/drivers/net/e1000e/es2lan.c b/trunk/drivers/net/e1000e/es2lan.c
@@ -224,6 +224,8 @@ static s32 e1000_init_mac_params_80003es2lan(struct e1000_adapter *adapter)
 	/* Set if manageability features are enabled. */
 	mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK)
                         ? true : false;
+	/* Adaptive IFS not supported */
+	mac->adaptive_ifs = false;
 
 	/* check for link */
 	switch (hw->phy.media_type) {

diff --git a/trunk/drivers/net/e1000e/hw.h b/trunk/drivers/net/e1000e/hw.h
@@ -818,6 +818,7 @@ struct e1000_mac_info {
 
 	u8  forced_speed_duplex;
 
+	bool adaptive_ifs;
 	bool arc_subsystem_valid;
 	bool autoneg;
 	bool autoneg_failed;

diff --git a/trunk/drivers/net/e1000e/ich8lan.c b/trunk/drivers/net/e1000e/ich8lan.c
@@ -454,6 +454,8 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter)
 		mac->rar_entry_count--;
 	/* Set if manageability features are enabled. */
 	mac->arc_subsystem_valid = true;
+	/* Adaptive IFS supported */
+	mac->adaptive_ifs = true;
 
 	/* LED operations */
 	switch (mac->type) {

diff --git a/trunk/drivers/net/e1000e/lib.c b/trunk/drivers/net/e1000e/lib.c
@@ -1609,6 +1609,11 @@ void e1000e_reset_adaptive(struct e1000_hw *hw)
 {
 	struct e1000_mac_info *mac = &hw->mac;
 
+	if (!mac->adaptive_ifs) {
+		e_dbg("Not in Adaptive IFS mode!\n");
+		goto out;
+	}
+
 	mac->current_ifs_val = 0;
 	mac->ifs_min_val = IFS_MIN;
 	mac->ifs_max_val = IFS_MAX;
@@ -1617,6 +1622,8 @@ void e1000e_reset_adaptive(struct e1000_hw *hw)
 
 	mac->in_ifs_mode = false;
 	ew32(AIT, 0);
+out:
+	return;
 }
 
 /**
@@ -1630,6 +1637,11 @@ void e1000e_update_adaptive(struct e1000_hw *hw)
 {
 	struct e1000_mac_info *mac = &hw->mac;
 
+	if (!mac->adaptive_ifs) {
+		e_dbg("Not in Adaptive IFS mode!\n");
+		goto out;
+	}
+
 	if ((mac->collision_delta * mac->ifs_ratio) > mac->tx_packet_delta) {
 		if (mac->tx_packet_delta > MIN_NUM_XMITS) {
 			mac->in_ifs_mode = true;
@@ -1650,6 +1662,8 @@ void e1000e_update_adaptive(struct e1000_hw *hw)
 			ew32(AIT, 0);
 		}
 	}
+out:
+	return;
 }
 
 /**