be2net: Patch to determine if function is VF while running in guest OS.

[deliverable/linux.git] / drivers / net / benet / be_main.c

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 01eb447f98b6224ed0ed62b253b4172bf0b8ad03..e6ca92334d6d0bbb72de8ddc03930388986efaf5 100644 (file)
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -89,6 +89,8 @@ static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted)
        u32 val = 0;
        val |= qid & DB_RQ_RING_ID_MASK;
        val |= posted << DB_RQ_NUM_POSTED_SHIFT;
+
+       wmb();
        iowrite32(val, adapter->db + DB_RQ_OFFSET);
 }
 
@@ -97,6 +99,8 @@ static void be_txq_notify(struct be_adapter *adapter, u16 qid, u16 posted)
        u32 val = 0;
        val |= qid & DB_TXULP_RING_ID_MASK;
        val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT;
+
+       wmb();
        iowrite32(val, adapter->db + DB_TXULP1_OFFSET);
 }
 
@@ -973,6 +977,7 @@ static struct be_eth_rx_compl *be_rx_compl_get(struct be_adapter *adapter)
        if (rxcp->dw[offsetof(struct amap_eth_rx_compl, valid) / 32] == 0)
                return NULL;
 
+       rmb();
        be_dws_le_to_cpu(rxcp, sizeof(*rxcp));
 
        queue_tail_inc(&adapter->rx_obj.cq);
@@ -1066,6 +1071,7 @@ static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq)
        if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0)
                return NULL;
 
+       rmb();
        be_dws_le_to_cpu(txcp, sizeof(*txcp));
 
        txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0;
@@ -1113,6 +1119,7 @@ static inline struct be_eq_entry *event_get(struct be_eq_obj *eq_obj)
        if (!eqe->evt)
                return NULL;
 
+       rmb();
        eqe->evt = le32_to_cpu(eqe->evt);
        queue_tail_inc(&eq_obj->q);
        return eqe;
@@ -1624,6 +1631,7 @@ static void be_sriov_enable(struct be_adapter *adapter)
 {
 #ifdef CONFIG_PCI_IOV
        int status;
+       be_check_sriov_fn_type(adapter);
        if (be_physfn(adapter) && num_vfs) {
                status = pci_enable_sriov(adapter->pdev, num_vfs);
                adapter->sriov_enabled = status ? false : true;