Attachment #227963 for bug #258551

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{
	struct adapter *adapter = arg;
	u32 reg_icr;
	bool notlink = false;

	++adapter->link_irq;
	MPASS(adapter->hw.back != NULL);


	if (reg_icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))
		em_handle_link(adapter->ctx);
	else
		notlink = true;

	/* Re-arm unconditionally */
	if (adapter->hw.mac.type >= igb_mac_min) {
		E1000_WRITE_REG(&adapter->hw, E1000_IMS, E1000_IMS_LSC);
		E1000_WRITE_REG(&adapter->hw, E1000_EIMS, adapter->link_mask);
	} else if (adapter->hw.mac.type == e1000_82574) {
		E1000_WRITE_REG(&adapter->hw, E1000_IMS, E1000_IMS_LSC |
		    E1000_IMS_OTHER);
			    E1000_IMS_OTHER);
		/*
		 * Because we must read the ICR for this interrupt it may
		 * clear other causes using autoclear, for this reason we

Return to bug 258551

Lines 1492-1498 em_msix_link(void *arg) Link Here

(-)b/sys/dev/e1000/if_em.c (-8 / +4 lines)
1492	{	1492	{
1493	struct adapter *adapter = arg;	1493	struct adapter *adapter = arg;
1494	u32 reg_icr;	1494	u32 reg_icr;
1495	bool notlink = false;
1496		1495
1497	++adapter->link_irq;	1496	++adapter->link_irq;
1498	MPASS(adapter->hw.back != NULL);	1497	MPASS(adapter->hw.back != NULL);
Lines 1503-1519 em_msix_link(void *arg) Link Here
1503		1502
1504	if (reg_icr & (E1000_ICR_RXSEQ \| E1000_ICR_LSC))	1503	if (reg_icr & (E1000_ICR_RXSEQ \| E1000_ICR_LSC))
1505	em_handle_link(adapter->ctx);	1504	em_handle_link(adapter->ctx);
1506	else
1507	notlink = true;
1508		1505
1509	/* Re-arm for other/spurious interrupts */	1506	/* Re-arm unconditionally */
1510	if (notlink && adapter->hw.mac.type >= igb_mac_min) {	1507	if (adapter->hw.mac.type >= igb_mac_min) {
1511	E1000_WRITE_REG(&adapter->hw, E1000_IMS, E1000_IMS_LSC);	1508	E1000_WRITE_REG(&adapter->hw, E1000_IMS, E1000_IMS_LSC);
1512	E1000_WRITE_REG(&adapter->hw, E1000_EIMS, adapter->link_mask);	1509	E1000_WRITE_REG(&adapter->hw, E1000_EIMS, adapter->link_mask);
1513	} else if (adapter->hw.mac.type == e1000_82574) {	1510	} else if (adapter->hw.mac.type == e1000_82574) {
1514	if (notlink)	1511	E1000_WRITE_REG(&adapter->hw, E1000_IMS, E1000_IMS_LSC \|
1515	E1000_WRITE_REG(&adapter->hw, E1000_IMS, E1000_IMS_LSC \|	1512	E1000_IMS_OTHER);
1516	E1000_IMS_OTHER);
1517	/*	1513	/*
1518	* Because we must read the ICR for this interrupt it may	1514	* Because we must read the ICR for this interrupt it may
1519	* clear other causes using autoclear, for this reason we	1515	* clear other causes using autoclear, for this reason we