#include <linux/dma-mapping.h>
#include <linux/if_vlan.h>
#include <net/ip.h>
+#include <linux/ipv6.h>
MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
MODULE_LICENSE("GPL");
#endif
static irqreturn_t netxen_intr(int irq, void *data);
static irqreturn_t netxen_msi_intr(int irq, void *data);
+static irqreturn_t netxen_msix_intr(int irq, void *data);
/* PCI Device ID Table */
#define ENTRY(device) \
static int
netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
{
- int ret = 0;
+ u32 val, timeout;
if (first_boot == 0x55555555) {
/* This is the first boot after power up */
+ adapter->pci_write_normalize(adapter,
+ NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
+
+ if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
+ return 0;
/* PCI bus master workaround */
adapter->hw_read_wx(adapter,
/* clear the register for future unloads/loads */
adapter->pci_write_normalize(adapter,
NETXEN_CAM_RAM(0x1fc), 0);
- ret = -1;
+ return -EIO;
}
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
- /* Start P2 boot loader */
- adapter->pci_write_normalize(adapter,
- NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
- adapter->pci_write_normalize(adapter,
- NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
- }
+ /* Start P2 boot loader */
+ val = adapter->pci_read_normalize(adapter,
+ NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
+ adapter->pci_write_normalize(adapter,
+ NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
+ timeout = 0;
+ do {
+ msleep(1);
+ val = adapter->pci_read_normalize(adapter,
+ NETXEN_CAM_RAM(0x1fc));
+
+ if (++timeout > 5000)
+ return -EIO;
+
+ } while (val == NETXEN_BDINFO_MAGIC);
}
- return ret;
+ return 0;
}
static void netxen_set_port_mode(struct netxen_adapter *adapter)
SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
- /* ScatterGather support */
- netdev->features = NETIF_F_SG;
- netdev->features |= NETIF_F_IP_CSUM;
- netdev->features |= NETIF_F_TSO;
+ netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
+ netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
+
if (NX_IS_REVISION_P3(revision_id)) {
- netdev->features |= NETIF_F_IPV6_CSUM;
- netdev->features |= NETIF_F_TSO6;
+ netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
+ netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
}
- if (adapter->pci_using_dac)
+ if (adapter->pci_using_dac) {
netdev->features |= NETIF_F_HIGHDMA;
+ netdev->vlan_features |= NETIF_F_HIGHDMA;
+ }
/*
* Set the CRB window to invalid. If any register in window 0 is
CRB_CMDPEG_STATE, 0);
netxen_pinit_from_rom(adapter, 0);
msleep(1);
- netxen_load_firmware(adapter);
}
+ netxen_load_firmware(adapter);
if (NX_IS_REVISION_P3(revision_id))
netxen_pcie_strap_init(adapter);
}
- if ((first_boot == 0x55555555) &&
- (NX_IS_REVISION_P2(revision_id))) {
- /* Unlock the HW, prompting the boot sequence */
- adapter->pci_write_normalize(adapter,
- NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
- }
-
err = netxen_initialize_adapter_offload(adapter);
if (err)
goto err_out_iounmap;
adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i);
/* Handshake with the card before we register the devices. */
- netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+ err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+ if (err)
+ goto err_out_free_offload;
} /* first_driver */
if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
pci_disable_msi(pdev);
+err_out_free_offload:
if (first_driver)
netxen_free_adapter_offload(adapter);
netxen_free_hw_resources(adapter);
netxen_release_rx_buffers(adapter);
netxen_free_sw_resources(adapter);
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+ netxen_p3_free_mac_list(adapter);
}
if (adapter->portnum == 0)
iounmap(adapter->ahw.db_base);
iounmap(adapter->ahw.pci_base0);
- iounmap(adapter->ahw.pci_base1);
- iounmap(adapter->ahw.pci_base2);
+ if (adapter->ahw.pci_base1 != NULL)
+ iounmap(adapter->ahw.pci_base1);
+ if (adapter->ahw.pci_base2 != NULL)
+ iounmap(adapter->ahw.pci_base2);
pci_release_regions(pdev);
pci_disable_device(pdev);
for (ring = 0; ring < adapter->max_rds_rings; ring++)
netxen_post_rx_buffers(adapter, ctx, ring);
}
- if (NETXEN_IS_MSI_FAMILY(adapter))
+ if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+ handler = netxen_msix_intr;
+ else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
handler = netxen_msi_intr;
else {
flags |= IRQF_SHARED;
{
bool tso = false;
u8 opcode = TX_ETHER_PKT;
+ __be16 protocol = skb->protocol;
+ u16 flags = 0;
+
+ if (protocol == __constant_htons(ETH_P_8021Q)) {
+ struct vlan_ethhdr *vh = (struct vlan_ethhdr *)skb->data;
+ protocol = vh->h_vlan_encapsulated_proto;
+ flags = FLAGS_VLAN_TAGGED;
+ }
if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
skb_shinfo(skb)->gso_size > 0) {
desc->total_hdr_length =
skb_transport_offset(skb) + tcp_hdrlen(skb);
- opcode = (skb->protocol == htons(ETH_P_IPV6)) ?
+ opcode = (protocol == __constant_htons(ETH_P_IPV6)) ?
TX_TCP_LSO6 : TX_TCP_LSO;
tso = true;
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
u8 l4proto;
- if (skb->protocol == htons(ETH_P_IP)) {
+ if (protocol == __constant_htons(ETH_P_IP)) {
l4proto = ip_hdr(skb)->protocol;
if (l4proto == IPPROTO_TCP)
opcode = TX_TCP_PKT;
else if(l4proto == IPPROTO_UDP)
opcode = TX_UDP_PKT;
- } else if (skb->protocol == htons(ETH_P_IPV6)) {
+ } else if (protocol == __constant_htons(ETH_P_IPV6)) {
l4proto = ipv6_hdr(skb)->nexthdr;
if (l4proto == IPPROTO_TCP)
}
desc->tcp_hdr_offset = skb_transport_offset(skb);
desc->ip_hdr_offset = skb_network_offset(skb);
- netxen_set_tx_flags_opcode(desc, 0, opcode);
+ netxen_set_tx_flags_opcode(desc, flags, opcode);
return tso;
}
+static void
+netxen_clean_tx_dma_mapping(struct pci_dev *pdev,
+ struct netxen_cmd_buffer *pbuf, int last)
+{
+ int k;
+ struct netxen_skb_frag *buffrag;
+
+ buffrag = &pbuf->frag_array[0];
+ pci_unmap_single(pdev, buffrag->dma,
+ buffrag->length, PCI_DMA_TODEVICE);
+
+ for (k = 1; k < last; k++) {
+ buffrag = &pbuf->frag_array[k];
+ pci_unmap_page(pdev, buffrag->dma,
+ buffrag->length, PCI_DMA_TODEVICE);
+ }
+}
+
static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
{
struct netxen_adapter *adapter = netdev_priv(netdev);
struct netxen_cmd_buffer *pbuf;
struct netxen_skb_frag *buffrag;
struct cmd_desc_type0 *hwdesc;
+ struct pci_dev *pdev = adapter->pdev;
+ dma_addr_t temp_dma;
int i, k;
u32 producer, consumer;
pbuf->skb = skb;
pbuf->frag_count = frag_count;
buffrag = &pbuf->frag_array[0];
- buffrag->dma = pci_map_single(adapter->pdev, skb->data, first_seg_len,
+ temp_dma = pci_map_single(pdev, skb->data, first_seg_len,
PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(pdev, temp_dma))
+ goto drop_packet;
+
+ buffrag->dma = temp_dma;
buffrag->length = first_seg_len;
netxen_set_tx_frags_len(hwdesc, frag_count, skb->len);
netxen_set_tx_port(hwdesc, adapter->portnum);
struct skb_frag_struct *frag;
int len, temp_len;
unsigned long offset;
- dma_addr_t temp_dma;
/* move to next desc. if there is a need */
if ((i & 0x3) == 0) {
offset = frag->page_offset;
temp_len = len;
- temp_dma = pci_map_page(adapter->pdev, frag->page, offset,
+ temp_dma = pci_map_page(pdev, frag->page, offset,
len, PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(pdev, temp_dma)) {
+ netxen_clean_tx_dma_mapping(pdev, pbuf, i);
+ goto drop_packet;
+ }
buffrag++;
buffrag->dma = temp_dma;
netdev->trans_start = jiffies;
return NETDEV_TX_OK;
+
+drop_packet:
+ adapter->stats.txdropped++;
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
}
static int netxen_nic_check_temp(struct netxen_adapter *adapter)
return IRQ_HANDLED;
}
+static irqreturn_t netxen_msix_intr(int irq, void *data)
+{
+ struct netxen_adapter *adapter = data;
+
+ napi_schedule(&adapter->napi);
+ return IRQ_HANDLED;
+}
+
static int netxen_nic_poll(struct napi_struct *napi, int budget)
{
struct netxen_adapter *adapter = container_of(napi, struct netxen_adapter, napi);
projects / linux-2.6-omap-h63xx.git / blobdiff