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path: root/drivers/net/e1000e/lib.c
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Diffstat (limited to 'drivers/net/e1000e/lib.c')
-rw-r--r--drivers/net/e1000e/lib.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index a86c17548c1e..56b59e4a6871 100644
--- a/drivers/net/e1000e/lib.c
+++ b/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;
}
/**