diff options
Diffstat (limited to 'drivers/net/qlcnic/qlcnic_hw.c')
| -rw-r--r-- | drivers/net/qlcnic/qlcnic_hw.c | 62 |
1 files changed, 37 insertions, 25 deletions
diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c index 0c2e1f08f459..e08c8b0556a4 100644 --- a/drivers/net/qlcnic/qlcnic_hw.c +++ b/drivers/net/qlcnic/qlcnic_hw.c @@ -327,7 +327,7 @@ qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, i = 0; - if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) return -EIO; tx_ring = adapter->tx_ring; @@ -338,9 +338,15 @@ qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, if (nr_desc >= qlcnic_tx_avail(tx_ring)) { netif_tx_stop_queue(tx_ring->txq); - __netif_tx_unlock_bh(tx_ring->txq); - adapter->stats.xmit_off++; - return -EBUSY; + smp_mb(); + if (qlcnic_tx_avail(tx_ring) > nr_desc) { + if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) + netif_tx_wake_queue(tx_ring->txq); + } else { + adapter->stats.xmit_off++; + __netif_tx_unlock_bh(tx_ring->txq); + return -EBUSY; + } } do { @@ -407,10 +413,15 @@ static int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, u8 *addr) return -ENOMEM; } memcpy(cur->mac_addr, addr, ETH_ALEN); - list_add_tail(&cur->list, &adapter->mac_list); - return qlcnic_sre_macaddr_change(adapter, - cur->mac_addr, QLCNIC_MAC_ADD); + if (qlcnic_sre_macaddr_change(adapter, + cur->mac_addr, QLCNIC_MAC_ADD)) { + kfree(cur); + return -EIO; + } + + list_add_tail(&cur->list, &adapter->mac_list); + return 0; } void qlcnic_set_multi(struct net_device *netdev) @@ -420,7 +431,7 @@ void qlcnic_set_multi(struct net_device *netdev) u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; u32 mode = VPORT_MISS_MODE_DROP; - if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) + if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) return; qlcnic_nic_add_mac(adapter, adapter->mac_addr); @@ -538,7 +549,7 @@ int qlcnic_config_hw_lro(struct qlcnic_adapter *adapter, int enable) return rv; } -int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, int enable) +int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable) { struct qlcnic_nic_req req; u64 word; @@ -704,21 +715,15 @@ int qlcnic_change_mtu(struct net_device *netdev, int mtu) return rc; } -int qlcnic_get_mac_addr(struct qlcnic_adapter *adapter, u64 *mac) +int qlcnic_get_mac_addr(struct qlcnic_adapter *adapter, u8 *mac) { - u32 crbaddr, mac_hi, mac_lo; + u32 crbaddr; int pci_func = adapter->ahw.pci_func; crbaddr = CRB_MAC_BLOCK_START + (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1)); - mac_lo = QLCRD32(adapter, crbaddr); - mac_hi = QLCRD32(adapter, crbaddr+4); - - if (pci_func & 1) - *mac = le64_to_cpu((mac_lo >> 16) | ((u64)mac_hi << 16)); - else - *mac = le64_to_cpu((u64)mac_lo | ((u64)mac_hi << 32)); + qlcnic_fetch_mac(adapter, crbaddr, crbaddr+4, pci_func & 1, mac); return 0; } @@ -766,7 +771,7 @@ qlcnic_pci_get_crb_addr_2M(struct qlcnic_adapter *adapter, * Out: 'off' is 2M pci map addr * side effect: lock crb window */ -static void +static int qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off) { u32 window; @@ -775,6 +780,10 @@ qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off) off -= QLCNIC_PCI_CRBSPACE; window = CRB_HI(off); + if (window == 0) { + dev_err(&adapter->pdev->dev, "Invalid offset 0x%lx\n", off); + return -EIO; + } writel(window, addr); if (readl(addr) != window) { @@ -782,7 +791,9 @@ qlcnic_pci_set_crbwindow_2M(struct qlcnic_adapter *adapter, ulong off) dev_warn(&adapter->pdev->dev, "failed to set CRB window to %d off 0x%lx\n", window, off); + return -EIO; } + return 0; } int @@ -803,11 +814,12 @@ qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, u32 data) /* indirect access */ write_lock_irqsave(&adapter->ahw.crb_lock, flags); crb_win_lock(adapter); - qlcnic_pci_set_crbwindow_2M(adapter, off); - writel(data, addr); + rv = qlcnic_pci_set_crbwindow_2M(adapter, off); + if (!rv) + writel(data, addr); crb_win_unlock(adapter); write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); - return 0; + return rv; } dev_err(&adapter->pdev->dev, @@ -821,7 +833,7 @@ qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off) { unsigned long flags; int rv; - u32 data; + u32 data = -1; void __iomem *addr = NULL; rv = qlcnic_pci_get_crb_addr_2M(adapter, off, &addr); @@ -833,8 +845,8 @@ qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off) /* indirect access */ write_lock_irqsave(&adapter->ahw.crb_lock, flags); crb_win_lock(adapter); - qlcnic_pci_set_crbwindow_2M(adapter, off); - data = readl(addr); + if (!qlcnic_pci_set_crbwindow_2M(adapter, off)) + data = readl(addr); crb_win_unlock(adapter); write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); return data; |