-#define E1000_MNG2HOST_PORT_623 (1 << 5)
-#define E1000_MNG2HOST_PORT_664 (1 << 6)
- manc2h |= E1000_MNG2HOST_PORT_623;
- manc2h |= E1000_MNG2HOST_PORT_664;
+
+ switch (hw->mac.type) {
+ default:
+ manc2h |= (E1000_MANC2H_PORT_623 | E1000_MANC2H_PORT_664);
+ break;
+ case e1000_82574:
+ case e1000_82583:
+ /*
+ * Check if IPMI pass-through decision filter already exists;
+ * if so, enable it.
+ */
+ for (i = 0, j = 0; i < 8; i++) {
+ mdef = er32(MDEF(i));
+
+ /* Ignore filters with anything other than IPMI ports */
+ if (mdef & !(E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
+ continue;
+
+ /* Enable this decision filter in MANC2H */
+ if (mdef)
+ manc2h |= (1 << i);
+
+ j |= mdef;
+ }
+
+ if (j == (E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
+ break;
+
+ /* Create new decision filter in an empty filter */
+ for (i = 0, j = 0; i < 8; i++)
+ if (er32(MDEF(i)) == 0) {
+ ew32(MDEF(i), (E1000_MDEF_PORT_623 |
+ E1000_MDEF_PORT_664));
+ manc2h |= (1 << 1);
+ j++;
+ break;
+ }
+
+ if (!j)
+ e_warn("Unable to create IPMI pass-through filter\n");
+ break;
+ }
+