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path: root/drivers/net/netxen/netxen_nic_main.c
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Diffstat (limited to 'drivers/net/netxen/netxen_nic_main.c')
-rw-r--r--drivers/net/netxen/netxen_nic_main.c117
1 files changed, 38 insertions, 79 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 86867405a36..9f33e442f40 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -41,6 +41,7 @@
#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");
@@ -75,6 +76,7 @@ static void netxen_nic_poll_controller(struct net_device *netdev);
#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) \
@@ -199,9 +201,9 @@ static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
adapter->pci_using_dac = 1;
return 0;
}
+set_32_bit_mask:
#endif /* CONFIG_IA64 */
-set_32_bit_mask:
err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
if (!err)
err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
@@ -370,67 +372,6 @@ static void netxen_set_port_mode(struct netxen_adapter *adapter)
}
}
-#define PCI_CAP_ID_GEN 0x10
-
-static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
-{
- u32 pdevfuncsave;
- u32 c8c9value = 0;
- u32 chicken = 0;
- u32 control = 0;
- int i, pos;
- struct pci_dev *pdev;
-
- pdev = adapter->pdev;
-
- adapter->hw_read_wx(adapter,
- NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
- /* clear chicken3.25:24 */
- chicken &= 0xFCFFFFFF;
- /*
- * if gen1 and B0, set F1020 - if gen 2, do nothing
- * if gen2 set to F1000
- */
- pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
- if (pos == 0xC0) {
- pci_read_config_dword(pdev, pos + 0x10, &control);
- if ((control & 0x000F0000) != 0x00020000) {
- /* set chicken3.24 if gen1 */
- chicken |= 0x01000000;
- }
- printk(KERN_INFO "%s Gen2 strapping detected\n",
- netxen_nic_driver_name);
- c8c9value = 0xF1000;
- } else {
- /* set chicken3.24 if gen1 */
- chicken |= 0x01000000;
- printk(KERN_INFO "%s Gen1 strapping detected\n",
- netxen_nic_driver_name);
- if (adapter->ahw.revision_id == NX_P3_B0)
- c8c9value = 0xF1020;
- else
- c8c9value = 0;
-
- }
- adapter->hw_write_wx(adapter,
- NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
-
- if (!c8c9value)
- return;
-
- pdevfuncsave = pdev->devfn;
- if (pdevfuncsave & 0x07)
- return;
-
- for (i = 0; i < 8; i++) {
- pci_read_config_dword(pdev, pos + 8, &control);
- pci_read_config_dword(pdev, pos + 8, &control);
- pci_write_config_dword(pdev, pos + 8, c8c9value);
- pdev->devfn++;
- }
- pdev->devfn = pdevfuncsave;
-}
-
static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
{
u32 control;
@@ -734,17 +675,18 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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
@@ -809,9 +751,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
netxen_load_firmware(adapter);
- if (NX_IS_REVISION_P3(revision_id))
- netxen_pcie_strap_init(adapter);
-
if (NX_IS_REVISION_P2(revision_id)) {
/* Initialize multicast addr pool owners */
@@ -1004,8 +943,10 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
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);
@@ -1080,7 +1021,9 @@ static int netxen_nic_open(struct net_device *netdev)
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;
@@ -1163,6 +1106,14 @@ static bool netxen_tso_check(struct net_device *netdev,
{
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) {
@@ -1171,21 +1122,21 @@ static bool netxen_tso_check(struct net_device *netdev,
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)
@@ -1196,7 +1147,7 @@ static bool netxen_tso_check(struct net_device *netdev,
}
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;
}
@@ -1600,6 +1551,14 @@ static irqreturn_t netxen_msi_intr(int irq, void *data)
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);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-04-11 04:36:17 +0000