0,
};
-struct netxen_recv_crb recv_crb_registers[] = {
- /*
- * Instance 0.
- */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x100),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x110),
- /* LRO */
- NETXEN_NIC_REG(0x120)
- },
- /* crb_sts_consumer: */
- NETXEN_NIC_REG(0x138),
- },
- /*
- * Instance 1,
- */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x144),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x154),
- /* LRO */
- NETXEN_NIC_REG(0x164)
- },
- /* crb_sts_consumer: */
- NETXEN_NIC_REG(0x17c),
- },
- /*
- * Instance 2,
- */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x1d8),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x1f8),
- /* LRO */
- NETXEN_NIC_REG(0x208)
- },
- /* crb_sts_consumer: */
- NETXEN_NIC_REG(0x220),
- },
- /*
- * Instance 3,
- */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x22c),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x23c),
- /* LRO */
- NETXEN_NIC_REG(0x24c)
- },
- /* crb_sts_consumer: */
- NETXEN_NIC_REG(0x264),
- },
-};
-
-static u64 ctx_addr_sig_regs[][3] = {
- {NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
- {NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
- {NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
- {NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
-};
-#define CRB_CTX_ADDR_REG_LO(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][0])
-#define CRB_CTX_ADDR_REG_HI(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][2])
-#define CRB_CTX_SIGNATURE_REG(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][1])
-
-
/* PCI Windowing for DDR regions. */
#define ADDR_IN_RANGE(addr, low, high) \
#define NETXEN_NIU_HDRSIZE (0x1 << 6)
#define NETXEN_NIU_TLRSIZE (0x1 << 5)
-#define lower32(x) ((u32)((x) & 0xffffffff))
-#define upper32(x) \
- ((u32)(((unsigned long long)(x) >> 32) & 0xffffffff))
-
#define NETXEN_NIC_ZERO_PAUSE_ADDR 0ULL
#define NETXEN_NIC_UNIT_PAUSE_ADDR 0x200ULL
#define NETXEN_NIC_EPG_PAUSE_ADDR1 0x2200010000c28001ULL
return 0;
}
-/*
- * check if the firmware has been downloaded and ready to run and
- * setup the address for the descriptors in the adapter
- */
-int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
-{
- struct netxen_hardware_context *hw = &adapter->ahw;
- u32 state = 0;
- void *addr;
- int err = 0;
- int ctx, ring;
- struct netxen_recv_context *recv_ctx;
- struct netxen_rcv_desc_ctx *rcv_desc;
- int func_id = adapter->portnum;
-
- err = netxen_receive_peg_ready(adapter);
- if (err) {
- printk(KERN_ERR "Rcv Peg initialization not complete:%x.\n",
- state);
- return err;
- }
- adapter->intr_scheme = adapter->pci_read_normalize(adapter,
- CRB_NIC_CAPABILITIES_FW);
- adapter->msi_mode = adapter->pci_read_normalize(adapter,
- CRB_NIC_MSI_MODE_FW);
-
- addr = pci_alloc_consistent(adapter->pdev,
- sizeof(struct netxen_ring_ctx) + sizeof(uint32_t),
- &adapter->ctx_desc_phys_addr);
-
- if (addr == NULL) {
- DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
- err = -ENOMEM;
- return err;
- }
- memset(addr, 0, sizeof(struct netxen_ring_ctx));
- adapter->ctx_desc = (struct netxen_ring_ctx *)addr;
- adapter->ctx_desc->ctx_id = cpu_to_le32(adapter->portnum);
- adapter->ctx_desc->cmd_consumer_offset =
- cpu_to_le64(adapter->ctx_desc_phys_addr +
- sizeof(struct netxen_ring_ctx));
- adapter->cmd_consumer = (__le32 *) (((char *)addr) +
- sizeof(struct netxen_ring_ctx));
-
- addr = pci_alloc_consistent(adapter->pdev,
- sizeof(struct cmd_desc_type0) *
- adapter->max_tx_desc_count,
- &hw->cmd_desc_phys_addr);
-
- if (addr == NULL) {
- DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
- netxen_free_hw_resources(adapter);
- return -ENOMEM;
- }
-
- adapter->ctx_desc->cmd_ring_addr =
- cpu_to_le64(hw->cmd_desc_phys_addr);
- adapter->ctx_desc->cmd_ring_size =
- cpu_to_le32(adapter->max_tx_desc_count);
-
- hw->cmd_desc_head = (struct cmd_desc_type0 *)addr;
-
- for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
- recv_ctx = &adapter->recv_ctx[ctx];
-
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
- addr = pci_alloc_consistent(adapter->pdev,
- RCV_DESC_RINGSIZE,
- &rcv_desc->phys_addr);
- if (addr == NULL) {
- DPRINTK(ERR, "bad return from "
- "pci_alloc_consistent\n");
- netxen_free_hw_resources(adapter);
- err = -ENOMEM;
- return err;
- }
- rcv_desc->desc_head = (struct rcv_desc *)addr;
- adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr =
- cpu_to_le64(rcv_desc->phys_addr);
- adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size =
- cpu_to_le32(rcv_desc->max_rx_desc_count);
- rcv_desc->crb_rcv_producer =
- recv_crb_registers[adapter->portnum].
- crb_rcv_producer[ring];
- }
-
- addr = pci_alloc_consistent(adapter->pdev, STATUS_DESC_RINGSIZE,
- &recv_ctx->rcv_status_desc_phys_addr);
- if (addr == NULL) {
- DPRINTK(ERR, "bad return from"
- " pci_alloc_consistent\n");
- netxen_free_hw_resources(adapter);
- err = -ENOMEM;
- return err;
- }
- recv_ctx->rcv_status_desc_head = (struct status_desc *)addr;
- adapter->ctx_desc->sts_ring_addr =
- cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
- adapter->ctx_desc->sts_ring_size =
- cpu_to_le32(adapter->max_rx_desc_count);
- recv_ctx->crb_sts_consumer =
- recv_crb_registers[adapter->portnum].crb_sts_consumer;
-
- }
- /* Window = 1 */
-
- adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_LO(func_id),
- lower32(adapter->ctx_desc_phys_addr));
- adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_HI(func_id),
- upper32(adapter->ctx_desc_phys_addr));
- adapter->pci_write_normalize(adapter, CRB_CTX_SIGNATURE_REG(func_id),
- NETXEN_CTX_SIGNATURE | func_id);
- return err;
-}
-
-void netxen_free_hw_resources(struct netxen_adapter *adapter)
-{
- struct netxen_recv_context *recv_ctx;
- struct netxen_rcv_desc_ctx *rcv_desc;
- int ctx, ring;
-
- if (adapter->ctx_desc != NULL) {
- pci_free_consistent(adapter->pdev,
- sizeof(struct netxen_ring_ctx) +
- sizeof(uint32_t),
- adapter->ctx_desc,
- adapter->ctx_desc_phys_addr);
- adapter->ctx_desc = NULL;
- }
-
- if (adapter->ahw.cmd_desc_head != NULL) {
- pci_free_consistent(adapter->pdev,
- sizeof(struct cmd_desc_type0) *
- adapter->max_tx_desc_count,
- adapter->ahw.cmd_desc_head,
- adapter->ahw.cmd_desc_phys_addr);
- adapter->ahw.cmd_desc_head = NULL;
- }
-
- for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
- recv_ctx = &adapter->recv_ctx[ctx];
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
-
- if (rcv_desc->desc_head != NULL) {
- pci_free_consistent(adapter->pdev,
- RCV_DESC_RINGSIZE,
- rcv_desc->desc_head,
- rcv_desc->phys_addr);
- rcv_desc->desc_head = NULL;
- }
- }
-
- if (recv_ctx->rcv_status_desc_head != NULL) {
- pci_free_consistent(adapter->pdev,
- STATUS_DESC_RINGSIZE,
- recv_ctx->rcv_status_desc_head,
- recv_ctx->
- rcv_status_desc_phys_addr);
- recv_ctx->rcv_status_desc_head = NULL;
- }
- }
-}
-
void netxen_tso_check(struct netxen_adapter *adapter,
struct cmd_desc_type0 *desc, struct sk_buff *skb)
{
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff