X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fnet%2Figb%2Fe1000_82575.c;h=0a2368fa6bc660906b2120a84e69570e4c1962d7;hb=13800469d40bf4dc9fbed17f4692b2ebe94d4526;hp=50f6e9649845c99df79dbfc50a9479b6d1139cef;hpb=1b5dda331ff8646a70d247cace45a60035937a9b;p=deliverable%2Flinux.git

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 50f6e9649845..0a2368fa6bc6 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -1479,6 +1479,39 @@ out:
 	return ret_val;
 }
 
+/**
+ *  igb_vmdq_set_anti_spoofing_pf - enable or disable anti-spoofing
+ *  @hw: pointer to the hardware struct
+ *  @enable: state to enter, either enabled or disabled
+ *  @pf: Physical Function pool - do not set anti-spoofing for the PF
+ *
+ *  enables/disables L2 switch anti-spoofing functionality.
+ **/
+void igb_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf)
+{
+	u32 dtxswc;
+
+	switch (hw->mac.type) {
+	case e1000_82576:
+	case e1000_i350:
+		dtxswc = rd32(E1000_DTXSWC);
+		if (enable) {
+			dtxswc |= (E1000_DTXSWC_MAC_SPOOF_MASK |
+				   E1000_DTXSWC_VLAN_SPOOF_MASK);
+			/* The PF can spoof - it has to in order to
+			 * support emulation mode NICs */
+			dtxswc ^= (1 << pf | 1 << (pf + MAX_NUM_VFS));
+		} else {
+			dtxswc &= ~(E1000_DTXSWC_MAC_SPOOF_MASK |
+				    E1000_DTXSWC_VLAN_SPOOF_MASK);
+		}
+		wr32(E1000_DTXSWC, dtxswc);
+		break;
+	default:
+		break;
+	}
+}
+
 /**
  *  igb_vmdq_set_loopback_pf - enable or disable vmdq loopback
  *  @hw: pointer to the hardware struct