/*
- * Copyright (C) 2003 - 2006 NetXen, Inc.
+ * Copyright (C) 2003 - 2009 NetXen, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
*
* Contact Information:
* info@netxen.com
- * NetXen,
- * 3965 Freedom Circle, Fourth floor,
- * Santa Clara, CA 95054
- *
- *
- * Source file for NIC routines to initialize the Phantom Hardware
+ * NetXen Inc,
+ * 18922 Forge Drive
+ * Cupertino, CA 95014-0701
*
*/
#include <linux/delay.h>
#include "netxen_nic.h"
#include "netxen_nic_hw.h"
-#include "netxen_nic_ioctl.h"
#include "netxen_nic_phan_reg.h"
struct crb_addr_pair {
- long addr;
- long data;
+ u32 addr;
+ u32 data;
};
#define NETXEN_MAX_CRB_XFORM 60
static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM];
-#define NETXEN_ADDR_ERROR ((unsigned long ) 0xffffffff )
+#define NETXEN_ADDR_ERROR (0xffffffff)
#define crb_addr_transform(name) \
crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \
#define NETXEN_NIC_XDMA_RESET 0x8000ff
-static inline void
-netxen_nic_locked_write_reg(struct netxen_adapter *adapter,
- unsigned long off, int *data)
-{
- void __iomem *addr = pci_base_offset(adapter, off);
- writel(*data, addr);
-}
+static void
+netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
+ struct nx_host_rds_ring *rds_ring);
static void crb_addr_transform_setup(void)
{
crb_addr_transform(CAM);
crb_addr_transform(C2C1);
crb_addr_transform(C2C0);
+ crb_addr_transform(SMB);
+ crb_addr_transform(OCM0);
+ crb_addr_transform(I2C0);
}
-int netxen_init_firmware(struct netxen_adapter *adapter)
+void netxen_release_rx_buffers(struct netxen_adapter *adapter)
{
- u32 state = 0, loops = 0, err = 0;
+ struct netxen_recv_context *recv_ctx;
+ struct nx_host_rds_ring *rds_ring;
+ struct netxen_rx_buffer *rx_buf;
+ int i, ring;
+
+ recv_ctx = &adapter->recv_ctx;
+ for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+ rds_ring = &recv_ctx->rds_rings[ring];
+ for (i = 0; i < rds_ring->num_desc; ++i) {
+ rx_buf = &(rds_ring->rx_buf_arr[i]);
+ if (rx_buf->state == NETXEN_BUFFER_FREE)
+ continue;
+ pci_unmap_single(adapter->pdev,
+ rx_buf->dma,
+ rds_ring->dma_size,
+ PCI_DMA_FROMDEVICE);
+ if (rx_buf->skb != NULL)
+ dev_kfree_skb_any(rx_buf->skb);
+ }
+ }
+}
+
+void netxen_release_tx_buffers(struct netxen_adapter *adapter)
+{
+ struct netxen_cmd_buffer *cmd_buf;
+ struct netxen_skb_frag *buffrag;
+ int i, j;
+ struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
+
+ cmd_buf = tx_ring->cmd_buf_arr;
+ for (i = 0; i < tx_ring->num_desc; i++) {
+ buffrag = cmd_buf->frag_array;
+ if (buffrag->dma) {
+ pci_unmap_single(adapter->pdev, buffrag->dma,
+ buffrag->length, PCI_DMA_TODEVICE);
+ buffrag->dma = 0ULL;
+ }
+ for (j = 0; j < cmd_buf->frag_count; j++) {
+ buffrag++;
+ if (buffrag->dma) {
+ pci_unmap_page(adapter->pdev, buffrag->dma,
+ buffrag->length,
+ PCI_DMA_TODEVICE);
+ buffrag->dma = 0ULL;
+ }
+ }
+ if (cmd_buf->skb) {
+ dev_kfree_skb_any(cmd_buf->skb);
+ cmd_buf->skb = NULL;
+ }
+ cmd_buf++;
+ }
+}
- /* Window 1 call */
- state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+void netxen_free_sw_resources(struct netxen_adapter *adapter)
+{
+ struct netxen_recv_context *recv_ctx;
+ struct nx_host_rds_ring *rds_ring;
+ struct nx_host_tx_ring *tx_ring;
+ int ring;
- if (state == PHAN_INITIALIZE_ACK)
- return 0;
+ recv_ctx = &adapter->recv_ctx;
- while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) {
- udelay(100);
- /* Window 1 call */
- state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+ if (recv_ctx->rds_rings == NULL)
+ goto skip_rds;
- loops++;
- }
- if (loops >= 2000) {
- printk(KERN_ERR "Cmd Peg initialization not complete:%x.\n",
- state);
- err = -EIO;
- return err;
+ for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+ rds_ring = &recv_ctx->rds_rings[ring];
+ vfree(rds_ring->rx_buf_arr);
+ rds_ring->rx_buf_arr = NULL;
}
- /* Window 1 call */
- writel(MPORT_SINGLE_FUNCTION_MODE,
- NETXEN_CRB_NORMALIZE(adapter, CRB_MPORT_MODE));
- writel(PHAN_INITIALIZE_ACK,
- NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+ kfree(recv_ctx->rds_rings);
- return err;
-}
+skip_rds:
+ if (adapter->tx_ring == NULL)
+ return;
-#define NETXEN_ADDR_LIMIT 0xffffffffULL
+ tx_ring = adapter->tx_ring;
+ vfree(tx_ring->cmd_buf_arr);
+}
-void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr,
- struct pci_dev **used_dev)
+int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
{
- void *addr;
+ struct netxen_recv_context *recv_ctx;
+ struct nx_host_rds_ring *rds_ring;
+ struct nx_host_sds_ring *sds_ring;
+ struct nx_host_tx_ring *tx_ring;
+ struct netxen_rx_buffer *rx_buf;
+ int ring, i, size;
+
+ struct netxen_cmd_buffer *cmd_buf_arr;
+ struct net_device *netdev = adapter->netdev;
+ struct pci_dev *pdev = adapter->pdev;
+
+ size = sizeof(struct nx_host_tx_ring);
+ tx_ring = kzalloc(size, GFP_KERNEL);
+ if (tx_ring == NULL) {
+ dev_err(&pdev->dev, "%s: failed to allocate tx ring struct\n",
+ netdev->name);
+ return -ENOMEM;
+ }
+ adapter->tx_ring = tx_ring;
+
+ tx_ring->num_desc = adapter->num_txd;
- addr = pci_alloc_consistent(pdev, sz, ptr);
- if ((unsigned long long)(*ptr) < NETXEN_ADDR_LIMIT) {
- *used_dev = pdev;
- return addr;
+ cmd_buf_arr = vmalloc(TX_BUFF_RINGSIZE(tx_ring));
+ if (cmd_buf_arr == NULL) {
+ dev_err(&pdev->dev, "%s: failed to allocate cmd buffer ring\n",
+ netdev->name);
+ return -ENOMEM;
}
- pci_free_consistent(pdev, sz, addr, *ptr);
- addr = pci_alloc_consistent(NULL, sz, ptr);
- *used_dev = NULL;
- return addr;
-}
+ memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring));
+ tx_ring->cmd_buf_arr = cmd_buf_arr;
-void netxen_initialize_adapter_sw(struct netxen_adapter *adapter)
-{
- int ctxid, ring;
- u32 i;
- u32 num_rx_bufs = 0;
- struct netxen_rcv_desc_ctx *rcv_desc;
-
- DPRINTK(INFO, "initializing some queues: %p\n", adapter);
- for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- struct netxen_rx_buffer *rx_buf;
- rcv_desc = &adapter->recv_ctx[ctxid].rcv_desc[ring];
- rcv_desc->rcv_free = rcv_desc->max_rx_desc_count;
- rcv_desc->begin_alloc = 0;
- rx_buf = rcv_desc->rx_buf_arr;
- num_rx_bufs = rcv_desc->max_rx_desc_count;
- /*
- * Now go through all of them, set reference handles
- * and put them in the queues.
- */
- for (i = 0; i < num_rx_bufs; i++) {
- rx_buf->ref_handle = i;
- rx_buf->state = NETXEN_BUFFER_FREE;
- DPRINTK(INFO, "Rx buf:ctx%d i(%d) rx_buf:"
- "%p\n", ctxid, i, rx_buf);
- rx_buf++;
+ recv_ctx = &adapter->recv_ctx;
+
+ size = adapter->max_rds_rings * sizeof (struct nx_host_rds_ring);
+ rds_ring = kzalloc(size, GFP_KERNEL);
+ if (rds_ring == NULL) {
+ dev_err(&pdev->dev, "%s: failed to allocate rds ring struct\n",
+ netdev->name);
+ return -ENOMEM;
+ }
+ recv_ctx->rds_rings = rds_ring;
+
+ for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+ rds_ring = &recv_ctx->rds_rings[ring];
+ switch (ring) {
+ case RCV_RING_NORMAL:
+ rds_ring->num_desc = adapter->num_rxd;
+ if (adapter->ahw.cut_through) {
+ rds_ring->dma_size =
+ NX_CT_DEFAULT_RX_BUF_LEN;
+ rds_ring->skb_size =
+ NX_CT_DEFAULT_RX_BUF_LEN;
+ } else {
+ rds_ring->dma_size = RX_DMA_MAP_LEN;
+ rds_ring->skb_size =
+ MAX_RX_BUFFER_LENGTH;
}
+ break;
+
+ case RCV_RING_JUMBO:
+ rds_ring->num_desc = adapter->num_jumbo_rxd;
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+ rds_ring->dma_size =
+ NX_P3_RX_JUMBO_BUF_MAX_LEN;
+ else
+ rds_ring->dma_size =
+ NX_P2_RX_JUMBO_BUF_MAX_LEN;
+ rds_ring->skb_size =
+ rds_ring->dma_size + NET_IP_ALIGN;
+ break;
+
+ case RCV_RING_LRO:
+ rds_ring->num_desc = adapter->num_lro_rxd;
+ rds_ring->dma_size = RX_LRO_DMA_MAP_LEN;
+ rds_ring->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
+ break;
+
}
+ rds_ring->rx_buf_arr = (struct netxen_rx_buffer *)
+ vmalloc(RCV_BUFF_RINGSIZE(rds_ring));
+ if (rds_ring->rx_buf_arr == NULL) {
+ printk(KERN_ERR "%s: Failed to allocate "
+ "rx buffer ring %d\n",
+ netdev->name, ring);
+ /* free whatever was already allocated */
+ goto err_out;
+ }
+ memset(rds_ring->rx_buf_arr, 0, RCV_BUFF_RINGSIZE(rds_ring));
+ INIT_LIST_HEAD(&rds_ring->free_list);
+ /*
+ * Now go through all of them, set reference handles
+ * and put them in the queues.
+ */
+ rx_buf = rds_ring->rx_buf_arr;
+ for (i = 0; i < rds_ring->num_desc; i++) {
+ list_add_tail(&rx_buf->list,
+ &rds_ring->free_list);
+ rx_buf->ref_handle = i;
+ rx_buf->state = NETXEN_BUFFER_FREE;
+ rx_buf++;
+ }
+ spin_lock_init(&rds_ring->lock);
}
-}
-void netxen_initialize_adapter_hw(struct netxen_adapter *adapter)
-{
- int ports = 0;
- struct netxen_board_info *board_info = &(adapter->ahw.boardcfg);
-
- if (netxen_nic_get_board_info(adapter) != 0)
- printk("%s: Error getting board config info.\n",
- netxen_nic_driver_name);
- get_brd_port_by_type(board_info->board_type, &ports);
- if (ports == 0)
- printk(KERN_ERR "%s: Unknown board type\n",
- netxen_nic_driver_name);
- adapter->ahw.max_ports = ports;
+ for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+ sds_ring = &recv_ctx->sds_rings[ring];
+ sds_ring->irq = adapter->msix_entries[ring].vector;
+ sds_ring->adapter = adapter;
+ sds_ring->num_desc = adapter->num_rxd;
+
+ for (i = 0; i < NUM_RCV_DESC_RINGS; i++)
+ INIT_LIST_HEAD(&sds_ring->free_list[i]);
+ }
+
+ return 0;
+
+err_out:
+ netxen_free_sw_resources(adapter);
+ return -ENOMEM;
}
void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
{
- switch (adapter->ahw.board_type) {
+ adapter->macaddr_set = netxen_p2_nic_set_mac_addr;
+ adapter->set_multi = netxen_p2_nic_set_multi;
+
+ switch (adapter->ahw.port_type) {
case NETXEN_NIC_GBE:
adapter->enable_phy_interrupts =
netxen_niu_gbe_enable_phy_interrupts;
adapter->disable_phy_interrupts =
netxen_niu_gbe_disable_phy_interrupts;
- adapter->handle_phy_intr = netxen_nic_gbe_handle_phy_intr;
- adapter->macaddr_set = netxen_niu_macaddr_set;
adapter->set_mtu = netxen_nic_set_mtu_gb;
adapter->set_promisc = netxen_niu_set_promiscuous_mode;
- adapter->unset_promisc = netxen_niu_set_promiscuous_mode;
adapter->phy_read = netxen_niu_gbe_phy_read;
adapter->phy_write = netxen_niu_gbe_phy_write;
adapter->init_port = netxen_niu_gbe_init_port;
- adapter->init_niu = netxen_nic_init_niu_gb;
adapter->stop_port = netxen_niu_disable_gbe_port;
break;
netxen_niu_xgbe_enable_phy_interrupts;
adapter->disable_phy_interrupts =
netxen_niu_xgbe_disable_phy_interrupts;
- adapter->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr;
- adapter->macaddr_set = netxen_niu_xg_macaddr_set;
adapter->set_mtu = netxen_nic_set_mtu_xgb;
adapter->init_port = netxen_niu_xg_init_port;
adapter->set_promisc = netxen_niu_xg_set_promiscuous_mode;
- adapter->unset_promisc = netxen_niu_xg_set_promiscuous_mode;
adapter->stop_port = netxen_niu_disable_xg_port;
break;
default:
break;
}
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+ adapter->set_mtu = nx_fw_cmd_set_mtu;
+ adapter->set_promisc = netxen_p3_nic_set_promisc;
+ adapter->macaddr_set = netxen_p3_nic_set_mac_addr;
+ adapter->set_multi = netxen_p3_nic_set_multi;
+ }
}
/*
* netxen_decode_crb_addr(0 - utility to translate from internal Phantom CRB
* address to external PCI CRB address.
*/
-unsigned long netxen_decode_crb_addr(unsigned long addr)
+static u32 netxen_decode_crb_addr(u32 addr)
{
int i;
- unsigned long base_addr, offset, pci_base;
+ u32 base_addr, offset, pci_base;
crb_addr_transform_setup();
return (pci_base + offset);
}
-static long rom_max_timeout = 10000;
-static long rom_lock_timeout = 1000000;
+static long rom_max_timeout = 100;
+static long rom_lock_timeout = 10000;
-static inline int rom_lock(struct netxen_adapter *adapter)
+static int rom_lock(struct netxen_adapter *adapter)
{
int iter;
u32 done = 0;
while (!done) {
/* acquire semaphore2 from PCI HW block */
- netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_LOCK),
- &done);
+ done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM2_LOCK));
if (done == 1)
break;
if (timeout >= rom_lock_timeout)
cpu_relax(); /*This a nop instr on i386 */
}
}
- netxen_nic_reg_write(adapter, NETXEN_ROM_LOCK_ID, ROM_LOCK_DRIVER);
+ NXWR32(adapter, NETXEN_ROM_LOCK_ID, ROM_LOCK_DRIVER);
return 0;
}
-int netxen_wait_rom_done(struct netxen_adapter *adapter)
+static int netxen_wait_rom_done(struct netxen_adapter *adapter)
{
long timeout = 0;
long done = 0;
+ cond_resched();
+
while (done == 0) {
- done = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_GLB_STATUS);
+ done = NXRD32(adapter, NETXEN_ROMUSB_GLB_STATUS);
done &= 2;
timeout++;
if (timeout >= rom_max_timeout) {
return 0;
}
-static inline int netxen_rom_wren(struct netxen_adapter *adapter)
+static void netxen_rom_unlock(struct netxen_adapter *adapter)
{
- /* Set write enable latch in ROM status register */
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
- M25P_INSTR_WREN);
- if (netxen_wait_rom_done(adapter)) {
- return -1;
- }
- return 0;
-}
-
-static inline unsigned int netxen_rdcrbreg(struct netxen_adapter *adapter,
- unsigned int addr)
-{
- unsigned int data = 0xdeaddead;
- data = netxen_nic_reg_read(adapter, addr);
- return data;
-}
-
-static inline int netxen_do_rom_rdsr(struct netxen_adapter *adapter)
-{
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
- M25P_INSTR_RDSR);
- if (netxen_wait_rom_done(adapter)) {
- return -1;
- }
- return netxen_rdcrbreg(adapter, NETXEN_ROMUSB_ROM_RDATA);
-}
-
-static inline void netxen_rom_unlock(struct netxen_adapter *adapter)
-{
- u32 val;
-
/* release semaphore2 */
- netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK), &val);
-
-}
-
-int netxen_rom_wip_poll(struct netxen_adapter *adapter)
-{
- long timeout = 0;
- long wip = 1;
- int val;
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
- while (wip != 0) {
- val = netxen_do_rom_rdsr(adapter);
- wip = val & 1;
- timeout++;
- if (timeout > rom_max_timeout) {
- return -1;
- }
- }
- return 0;
-}
-
-static inline int do_rom_fast_write(struct netxen_adapter *adapter, int addr,
- int data)
-{
- if (netxen_rom_wren(adapter)) {
- return -1;
- }
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_WDATA, data);
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
- M25P_INSTR_PP);
- if (netxen_wait_rom_done(adapter)) {
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
- return -1;
- }
+ NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK));
- return netxen_rom_wip_poll(adapter);
}
-static inline int
-do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
+static int do_rom_fast_read(struct netxen_adapter *adapter,
+ int addr, int *valp)
{
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
- udelay(100); /* prevent bursting on CRB */
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0xb);
+ NXWR32(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
+ NXWR32(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+ NXWR32(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
+ NXWR32(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE, 0xb);
if (netxen_wait_rom_done(adapter)) {
printk("Error waiting for rom done\n");
return -EIO;
}
/* reset abyte_cnt and dummy_byte_cnt */
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
- udelay(100); /* prevent bursting on CRB */
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+ NXWR32(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
+ udelay(10);
+ NXWR32(adapter, NETXEN_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
- *valp = netxen_nic_reg_read(adapter, NETXEN_ROMUSB_ROM_RDATA);
+ *valp = NXRD32(adapter, NETXEN_ROMUSB_ROM_RDATA);
return 0;
}
-int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
+static int do_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
+ u8 *bytes, size_t size)
{
- int ret;
+ int addridx;
+ int ret = 0;
- if (rom_lock(adapter) != 0)
- return -EIO;
+ for (addridx = addr; addridx < (addr + size); addridx += 4) {
+ int v;
+ ret = do_rom_fast_read(adapter, addridx, &v);
+ if (ret != 0)
+ break;
+ *(__le32 *)bytes = cpu_to_le32(v);
+ bytes += 4;
+ }
- ret = do_rom_fast_read(adapter, addr, valp);
- netxen_rom_unlock(adapter);
return ret;
}
-int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data)
+int
+netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
+ u8 *bytes, size_t size)
{
- int ret = 0;
+ int ret;
+
+ ret = rom_lock(adapter);
+ if (ret < 0)
+ return ret;
+
+ ret = do_rom_fast_read_words(adapter, addr, bytes, size);
- if (rom_lock(adapter) != 0) {
- return -1;
- }
- ret = do_rom_fast_write(adapter, addr, data);
netxen_rom_unlock(adapter);
return ret;
}
-int netxen_do_rom_se(struct netxen_adapter *adapter, int addr)
-{
- netxen_rom_wren(adapter);
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ADDRESS, addr);
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 3);
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_INSTR_OPCODE,
- M25P_INSTR_SE);
- if (netxen_wait_rom_done(adapter)) {
- netxen_nic_reg_write(adapter, NETXEN_ROMUSB_ROM_ABYTE_CNT, 0);
- return -1;
- }
- return netxen_rom_wip_poll(adapter);
-}
-int netxen_rom_se(struct netxen_adapter *adapter, int addr)
+int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
{
- int ret = 0;
- if (rom_lock(adapter) != 0) {
- return -1;
- }
- ret = netxen_do_rom_se(adapter, addr);
+ int ret;
+
+ if (rom_lock(adapter) != 0)
+ return -EIO;
+
+ ret = do_rom_fast_read(adapter, addr, valp);
netxen_rom_unlock(adapter);
return ret;
}
#define NETXEN_BOARDTYPE 0x4008
#define NETXEN_BOARDNUM 0x400c
#define NETXEN_CHIPNUM 0x4010
-#define NETXEN_ROMBUS_RESET 0xFFFFFFFF
-#define NETXEN_ROM_FIRST_BARRIER 0x800000000ULL
-#define NETXEN_ROM_FOUND_INIT 0x400
int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
{
- int addr, val, status;
- int n, i;
- int init_delay = 0;
+ int addr, val;
+ int i, n, init_delay = 0;
struct crb_addr_pair *buf;
- unsigned long off;
+ unsigned offset;
+ u32 off;
/* resetall */
- status = netxen_nic_get_board_info(adapter);
- if (status)
- printk("%s: netxen_pinit_from_rom: Error getting board info\n",
- netxen_nic_driver_name);
-
- netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
- NETXEN_ROMBUS_RESET);
+ rom_lock(adapter);
+ NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0xffffffff);
+ netxen_rom_unlock(adapter);
if (verbose) {
- int val;
if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0)
printk("P2 ROM board type: 0x%08x\n", val);
else
printk("Could not read chip number\n");
}
- if (netxen_rom_fast_read(adapter, 0, &n) == 0
- && (n & NETXEN_ROM_FIRST_BARRIER)) {
- n &= ~NETXEN_ROM_ROUNDUP;
- if (n < NETXEN_ROM_FOUND_INIT) {
- if (verbose)
- printk("%s: %d CRB init values found"
- " in ROM.\n", netxen_nic_driver_name, n);
- } else {
- printk("%s:n=0x%x Error! NetXen card flash not"
- " initialized.\n", __FUNCTION__, n);
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+ if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
+ (n != 0xcafecafe) ||
+ netxen_rom_fast_read(adapter, 4, &n) != 0) {
+ printk(KERN_ERR "%s: ERROR Reading crb_init area: "
+ "n: %08x\n", netxen_nic_driver_name, n);
return -EIO;
}
- buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
- if (buf == NULL) {
- printk("%s: netxen_pinit_from_rom: Unable to calloc "
- "memory.\n", netxen_nic_driver_name);
- return -ENOMEM;
+ offset = n & 0xffffU;
+ n = (n >> 16) & 0xffffU;
+ } else {
+ if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
+ !(n & 0x80000000)) {
+ printk(KERN_ERR "%s: ERROR Reading crb_init area: "
+ "n: %08x\n", netxen_nic_driver_name, n);
+ return -EIO;
}
- for (i = 0; i < n; i++) {
- if (netxen_rom_fast_read(adapter, 8 * i + 4, &val) != 0
- || netxen_rom_fast_read(adapter, 8 * i + 8,
- &addr) != 0)
- return -EIO;
+ offset = 1;
+ n &= ~0x80000000;
+ }
- buf[i].addr = addr;
- buf[i].data = val;
+ if (n < 1024) {
+ if (verbose)
+ printk(KERN_DEBUG "%s: %d CRB init values found"
+ " in ROM.\n", netxen_nic_driver_name, n);
+ } else {
+ printk(KERN_ERR "%s:n=0x%x Error! NetXen card flash not"
+ " initialized.\n", __func__, n);
+ return -EIO;
+ }
- if (verbose)
- printk("%s: PCI: 0x%08x == 0x%08x\n",
- netxen_nic_driver_name, (unsigned int)
- netxen_decode_crb_addr((unsigned long)
- addr), val);
+ buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
+ if (buf == NULL) {
+ printk("%s: netxen_pinit_from_rom: Unable to calloc memory.\n",
+ netxen_nic_driver_name);
+ return -ENOMEM;
+ }
+ for (i = 0; i < n; i++) {
+ if (netxen_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
+ netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
+ kfree(buf);
+ return -EIO;
}
- for (i = 0; i < n; i++) {
- off =
- netxen_decode_crb_addr((unsigned long)buf[i].addr) +
- NETXEN_PCI_CRBSPACE;
- /* skipping cold reboot MAGIC */
- if (off == NETXEN_CAM_RAM(0x1fc))
+ buf[i].addr = addr;
+ buf[i].data = val;
+
+ if (verbose)
+ printk(KERN_DEBUG "%s: PCI: 0x%08x == 0x%08x\n",
+ netxen_nic_driver_name,
+ (u32)netxen_decode_crb_addr(addr), val);
+ }
+ for (i = 0; i < n; i++) {
+
+ off = netxen_decode_crb_addr(buf[i].addr);
+ if (off == NETXEN_ADDR_ERROR) {
+ printk(KERN_ERR"CRB init value out of range %x\n",
+ buf[i].addr);
+ continue;
+ }
+ off += NETXEN_PCI_CRBSPACE;
+ /* skipping cold reboot MAGIC */
+ if (off == NETXEN_CAM_RAM(0x1fc))
+ continue;
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+ /* do not reset PCI */
+ if (off == (ROMUSB_GLB + 0xbc))
+ continue;
+ if (off == (ROMUSB_GLB + 0xa8))
continue;
+ if (off == (ROMUSB_GLB + 0xc8)) /* core clock */
+ continue;
+ if (off == (ROMUSB_GLB + 0x24)) /* MN clock */
+ continue;
+ if (off == (ROMUSB_GLB + 0x1c)) /* MS clock */
+ continue;
+ if (off == (NETXEN_CRB_PEG_NET_1 + 0x18))
+ buf[i].data = 0x1020;
+ /* skip the function enable register */
+ if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION))
+ continue;
+ if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION2))
+ continue;
+ if ((off & 0x0ff00000) == NETXEN_CRB_SMB)
+ continue;
+ }
- /* After writing this register, HW needs time for CRB */
- /* to quiet down (else crb_window returns 0xffffffff) */
- if (off == NETXEN_ROMUSB_GLB_SW_RESET) {
- init_delay = 1;
+ if (off == NETXEN_ADDR_ERROR) {
+ printk(KERN_ERR "%s: Err: Unknown addr: 0x%08x\n",
+ netxen_nic_driver_name, buf[i].addr);
+ continue;
+ }
+
+ init_delay = 1;
+ /* After writing this register, HW needs time for CRB */
+ /* to quiet down (else crb_window returns 0xffffffff) */
+ if (off == NETXEN_ROMUSB_GLB_SW_RESET) {
+ init_delay = 1000;
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
/* hold xdma in reset also */
buf[i].data = NETXEN_NIC_XDMA_RESET;
+ buf[i].data = 0x8000ff;
}
+ }
- if (ADDR_IN_WINDOW1(off)) {
- writel(buf[i].data,
- NETXEN_CRB_NORMALIZE(adapter, off));
- } else {
- netxen_nic_pci_change_crbwindow(adapter, 0);
- writel(buf[i].data,
- pci_base_offset(adapter, off));
+ NXWR32(adapter, off, buf[i].data);
- netxen_nic_pci_change_crbwindow(adapter, 1);
- }
- if (init_delay == 1) {
- ssleep(1);
- init_delay = 0;
- }
- msleep(1);
+ msleep(init_delay);
+ }
+ kfree(buf);
+
+ /* disable_peg_cache_all */
+
+ /* unreset_net_cache */
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ val = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
+ NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, (val & 0xffffff0f));
+ }
+
+ /* p2dn replyCount */
+ NXWR32(adapter, NETXEN_CRB_PEG_NET_D + 0xec, 0x1e);
+ /* disable_peg_cache 0 */
+ NXWR32(adapter, NETXEN_CRB_PEG_NET_D + 0x4c, 8);
+ /* disable_peg_cache 1 */
+ NXWR32(adapter, NETXEN_CRB_PEG_NET_I + 0x4c, 8);
+
+ /* peg_clr_all */
+
+ /* peg_clr 0 */
+ NXWR32(adapter, NETXEN_CRB_PEG_NET_0 + 0x8, 0);
+ NXWR32(adapter, NETXEN_CRB_PEG_NET_0 + 0xc, 0);
+ /* peg_clr 1 */
+ NXWR32(adapter, NETXEN_CRB_PEG_NET_1 + 0x8, 0);
+ NXWR32(adapter, NETXEN_CRB_PEG_NET_1 + 0xc, 0);
+ /* peg_clr 2 */
+ NXWR32(adapter, NETXEN_CRB_PEG_NET_2 + 0x8, 0);
+ NXWR32(adapter, NETXEN_CRB_PEG_NET_2 + 0xc, 0);
+ /* peg_clr 3 */
+ NXWR32(adapter, NETXEN_CRB_PEG_NET_3 + 0x8, 0);
+ NXWR32(adapter, NETXEN_CRB_PEG_NET_3 + 0xc, 0);
+ return 0;
+}
+
+int
+netxen_load_firmware(struct netxen_adapter *adapter)
+{
+ u64 *ptr64;
+ u32 i, flashaddr, size;
+ const struct firmware *fw = adapter->fw;
+
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+ NXWR32(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 1);
+
+ if (fw) {
+ __le64 data;
+
+ size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 8;
+
+ ptr64 = (u64 *)&fw->data[NETXEN_BOOTLD_START];
+ flashaddr = NETXEN_BOOTLD_START;
+
+ for (i = 0; i < size; i++) {
+ data = cpu_to_le64(ptr64[i]);
+ adapter->pci_mem_write(adapter, flashaddr, &data, 8);
+ flashaddr += 8;
+ }
+
+ size = *(u32 *)&fw->data[NX_FW_SIZE_OFFSET];
+ size = (__force u32)cpu_to_le32(size) / 8;
+
+ ptr64 = (u64 *)&fw->data[NETXEN_IMAGE_START];
+ flashaddr = NETXEN_IMAGE_START;
+
+ for (i = 0; i < size; i++) {
+ data = cpu_to_le64(ptr64[i]);
+
+ if (adapter->pci_mem_write(adapter,
+ flashaddr, &data, 8))
+ return -EIO;
+
+ flashaddr += 8;
+ }
+ } else {
+ u32 data;
+
+ size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 4;
+ flashaddr = NETXEN_BOOTLD_START;
+
+ for (i = 0; i < size; i++) {
+ if (netxen_rom_fast_read(adapter,
+ flashaddr, (int *)&data) != 0)
+ return -EIO;
+
+ if (adapter->pci_mem_write(adapter,
+ flashaddr, &data, 4))
+ return -EIO;
+
+ flashaddr += 4;
}
- kfree(buf);
-
- /* disable_peg_cache_all */
-
- /* unreset_net_cache */
- netxen_nic_hw_read_wx(adapter, NETXEN_ROMUSB_GLB_SW_RESET, &val,
- 4);
- netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
- (val & 0xffffff0f));
- /* p2dn replyCount */
- netxen_crb_writelit_adapter(adapter,
- NETXEN_CRB_PEG_NET_D + 0xec, 0x1e);
- /* disable_peg_cache 0 */
- netxen_crb_writelit_adapter(adapter,
- NETXEN_CRB_PEG_NET_D + 0x4c, 8);
- /* disable_peg_cache 1 */
- netxen_crb_writelit_adapter(adapter,
- NETXEN_CRB_PEG_NET_I + 0x4c, 8);
-
- /* peg_clr_all */
-
- /* peg_clr 0 */
- netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0x8,
- 0);
- netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0xc,
- 0);
- /* peg_clr 1 */
- netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0x8,
- 0);
- netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0xc,
- 0);
- /* peg_clr 2 */
- netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0x8,
- 0);
- netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0xc,
- 0);
- /* peg_clr 3 */
- netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0x8,
- 0);
- netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0xc,
- 0);
}
+ msleep(1);
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+ NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0x80001d);
+ else {
+ NXWR32(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff);
+ NXWR32(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 0);
+ }
+
+ return 0;
+}
+
+static int
+netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname)
+{
+ __le32 val;
+ u32 ver, min_ver, bios;
+ struct pci_dev *pdev = adapter->pdev;
+ const struct firmware *fw = adapter->fw;
+
+ if (fw->size < NX_FW_MIN_SIZE)
+ return -EINVAL;
+
+ val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_MAGIC_OFFSET]);
+ if ((__force u32)val != NETXEN_BDINFO_MAGIC)
+ return -EINVAL;
+
+ val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]);
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+ min_ver = NETXEN_VERSION_CODE(4, 0, 216);
+ else
+ min_ver = NETXEN_VERSION_CODE(3, 4, 216);
+
+ ver = NETXEN_DECODE_VERSION(val);
+
+ if ((_major(ver) > _NETXEN_NIC_LINUX_MAJOR) || (ver < min_ver)) {
+ dev_err(&pdev->dev,
+ "%s: firmware version %d.%d.%d unsupported\n",
+ fwname, _major(ver), _minor(ver), _build(ver));
+ return -EINVAL;
+ }
+
+ val = cpu_to_le32(*(u32 *)&fw->data[NX_BIOS_VERSION_OFFSET]);
+ netxen_rom_fast_read(adapter, NX_BIOS_VERSION_OFFSET, (int *)&bios);
+ if ((__force u32)val != bios) {
+ dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
+ fwname);
+ return -EINVAL;
+ }
+
+ /* check if flashed firmware is newer */
+ if (netxen_rom_fast_read(adapter,
+ NX_FW_VERSION_OFFSET, (int *)&val))
+ return -EIO;
+ val = NETXEN_DECODE_VERSION(val);
+ if (val > ver) {
+ dev_info(&pdev->dev, "%s: firmware is older than flash\n",
+ fwname);
+ return -EINVAL;
+ }
+
+ NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
return 0;
}
+static char *fw_name[] = { "nxromimg.bin", "nx3fwct.bin", "nx3fwmn.bin" };
+
+void netxen_request_firmware(struct netxen_adapter *adapter)
+{
+ u32 capability, flashed_ver;
+ int fw_type;
+ struct pci_dev *pdev = adapter->pdev;
+ int rc = 0;
+
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ fw_type = NX_P2_MN_ROMIMAGE;
+ goto request_fw;
+ } else {
+ fw_type = NX_P3_CT_ROMIMAGE;
+ goto request_fw;
+ }
+
+request_mn:
+ capability = 0;
+
+ netxen_rom_fast_read(adapter,
+ NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
+ flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
+
+ if (flashed_ver >= NETXEN_VERSION_CODE(4, 0, 220)) {
+ capability = NXRD32(adapter, NX_PEG_TUNE_CAPABILITY);
+ if (capability & NX_PEG_TUNE_MN_PRESENT) {
+ fw_type = NX_P3_MN_ROMIMAGE;
+ goto request_fw;
+ }
+ }
+
+ adapter->fw = NULL;
+ goto done;
+
+request_fw:
+ rc = request_firmware(&adapter->fw, fw_name[fw_type], &pdev->dev);
+ if (rc != 0) {
+ if (fw_type == NX_P3_CT_ROMIMAGE) {
+ msleep(1);
+ goto request_mn;
+ }
+
+ adapter->fw = NULL;
+ goto done;
+ }
+
+ rc = netxen_validate_firmware(adapter, fw_name[fw_type]);
+ if (rc != 0) {
+ release_firmware(adapter->fw);
+
+ if (fw_type == NX_P3_CT_ROMIMAGE) {
+ msleep(1);
+ goto request_mn;
+ }
+
+ adapter->fw = NULL;
+ goto done;
+ }
+
+done:
+ if (adapter->fw)
+ dev_info(&pdev->dev, "loading firmware from file %s\n",
+ fw_name[fw_type]);
+ else
+ dev_info(&pdev->dev, "loading firmware from flash\n");
+}
+
+
+void
+netxen_release_firmware(struct netxen_adapter *adapter)
+{
+ if (adapter->fw)
+ release_firmware(adapter->fw);
+}
+
int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
{
uint64_t addr;
uint32_t lo;
adapter->dummy_dma.addr =
- pci_alloc_consistent(adapter->ahw.pdev,
+ pci_alloc_consistent(adapter->pdev,
NETXEN_HOST_DUMMY_DMA_SIZE,
&adapter->dummy_dma.phys_addr);
if (adapter->dummy_dma.addr == NULL) {
printk("%s: ERROR: Could not allocate dummy DMA memory\n",
- __FUNCTION__);
+ __func__);
return -ENOMEM;
}
hi = (addr >> 32) & 0xffffffff;
lo = addr & 0xffffffff;
- writel(hi, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI));
- writel(lo, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO));
+ NXWR32(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI, hi);
+ NXWR32(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO, lo);
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+ uint32_t temp = 0;
+ NXWR32(adapter, CRB_HOST_DUMMY_BUF, temp);
+ }
return 0;
}
void netxen_free_adapter_offload(struct netxen_adapter *adapter)
{
- if (adapter->dummy_dma.addr) {
- pci_free_consistent(adapter->ahw.pdev,
- NETXEN_HOST_DUMMY_DMA_SIZE,
- adapter->dummy_dma.addr,
- adapter->dummy_dma.phys_addr);
+ int i = 100;
+
+ if (!adapter->dummy_dma.addr)
+ return;
+
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ do {
+ if (dma_watchdog_shutdown_request(adapter) == 1)
+ break;
+ msleep(50);
+ if (dma_watchdog_shutdown_poll_result(adapter) == 1)
+ break;
+ } while (--i);
+ }
+
+ if (i) {
+ pci_free_consistent(adapter->pdev,
+ NETXEN_HOST_DUMMY_DMA_SIZE,
+ adapter->dummy_dma.addr,
+ adapter->dummy_dma.phys_addr);
adapter->dummy_dma.addr = NULL;
+ } else {
+ printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n",
+ adapter->netdev->name);
}
}
-void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
+int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
{
u32 val = 0;
- int loops = 0;
+ int retries = 60;
- if (!pegtune_val) {
- while (val != PHAN_INITIALIZE_COMPLETE && loops < 200000) {
- udelay(100);
- schedule();
- val =
- readl(NETXEN_CRB_NORMALIZE
- (adapter, CRB_CMDPEG_STATE));
- loops++;
+ if (pegtune_val)
+ return 0;
+
+ do {
+ val = NXRD32(adapter, CRB_CMDPEG_STATE);
+
+ switch (val) {
+ case PHAN_INITIALIZE_COMPLETE:
+ case PHAN_INITIALIZE_ACK:
+ return 0;
+ case PHAN_INITIALIZE_FAILED:
+ goto out_err;
+ default:
+ break;
}
- if (val != PHAN_INITIALIZE_COMPLETE)
- printk("WARNING: Initial boot wait loop failed...\n");
- }
+
+ msleep(500);
+
+ } while (--retries);
+
+ NXWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
+
+out_err:
+ dev_warn(&adapter->pdev->dev, "firmware init failed\n");
+ return -EIO;
}
-int netxen_nic_rx_has_work(struct netxen_adapter *adapter)
+static int
+netxen_receive_peg_ready(struct netxen_adapter *adapter)
{
- int ctx;
-
- for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
- struct netxen_recv_context *recv_ctx =
- &(adapter->recv_ctx[ctx]);
- u32 consumer;
- struct status_desc *desc_head;
- struct status_desc *desc;
-
- consumer = recv_ctx->status_rx_consumer;
- desc_head = recv_ctx->rcv_status_desc_head;
- desc = &desc_head[consumer];
-
- if (((le16_to_cpu(netxen_get_sts_owner(desc)))
- & STATUS_OWNER_HOST))
- return 1;
+ u32 val = 0;
+ int retries = 2000;
+
+ do {
+ val = NXRD32(adapter, CRB_RCVPEG_STATE);
+
+ if (val == PHAN_PEG_RCV_INITIALIZED)
+ return 0;
+
+ msleep(10);
+
+ } while (--retries);
+
+ if (!retries) {
+ printk(KERN_ERR "Receive Peg initialization not "
+ "complete, state: 0x%x.\n", val);
+ return -EIO;
}
return 0;
}
-static inline int netxen_nic_check_temp(struct netxen_adapter *adapter)
+int netxen_init_firmware(struct netxen_adapter *adapter)
{
- int port_num;
- struct netxen_port *port;
- struct net_device *netdev;
- uint32_t temp, temp_state, temp_val;
- int rv = 0;
-
- temp = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_TEMP_STATE));
-
- temp_state = nx_get_temp_state(temp);
- temp_val = nx_get_temp_val(temp);
-
- if (temp_state == NX_TEMP_PANIC) {
- printk(KERN_ALERT
- "%s: Device temperature %d degrees C exceeds"
- " maximum allowed. Hardware has been shut down.\n",
- netxen_nic_driver_name, temp_val);
- for (port_num = 0; port_num < adapter->ahw.max_ports;
- port_num++) {
- port = adapter->port[port_num];
- netdev = port->netdev;
-
- netif_carrier_off(netdev);
- netif_stop_queue(netdev);
- }
- rv = 1;
- } else if (temp_state == NX_TEMP_WARN) {
- if (adapter->temp == NX_TEMP_NORMAL) {
- printk(KERN_ALERT
- "%s: Device temperature %d degrees C "
- "exceeds operating range."
- " Immediate action needed.\n",
- netxen_nic_driver_name, temp_val);
- }
- } else {
- if (adapter->temp == NX_TEMP_WARN) {
- printk(KERN_INFO
- "%s: Device temperature is now %d degrees C"
- " in normal range.\n", netxen_nic_driver_name,
- temp_val);
- }
+ int err;
+
+ err = netxen_receive_peg_ready(adapter);
+ if (err)
+ return err;
+
+ NXWR32(adapter, CRB_NIC_CAPABILITIES_HOST, INTR_SCHEME_PERPORT);
+ NXWR32(adapter, CRB_NIC_MSI_MODE_HOST, MSI_MODE_MULTIFUNC);
+ NXWR32(adapter, CRB_MPORT_MODE, MPORT_MULTI_FUNCTION_MODE);
+ NXWR32(adapter, CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
+
+ if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222)) {
+ adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
}
- adapter->temp = temp_state;
- return rv;
+
+ return err;
}
-void netxen_watchdog_task(struct work_struct *work)
+static void
+netxen_handle_linkevent(struct netxen_adapter *adapter, nx_fw_msg_t *msg)
{
- int port_num;
- struct netxen_port *port;
- struct net_device *netdev;
- struct netxen_adapter *adapter =
- container_of(work, struct netxen_adapter, watchdog_task);
+ u32 cable_OUI;
+ u16 cable_len;
+ u16 link_speed;
+ u8 link_status, module, duplex, autoneg;
+ struct net_device *netdev = adapter->netdev;
+
+ adapter->has_link_events = 1;
+
+ cable_OUI = msg->body[1] & 0xffffffff;
+ cable_len = (msg->body[1] >> 32) & 0xffff;
+ link_speed = (msg->body[1] >> 48) & 0xffff;
+
+ link_status = msg->body[2] & 0xff;
+ duplex = (msg->body[2] >> 16) & 0xff;
+ autoneg = (msg->body[2] >> 24) & 0xff;
+
+ module = (msg->body[2] >> 8) & 0xff;
+ if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE) {
+ printk(KERN_INFO "%s: unsupported cable: OUI 0x%x, length %d\n",
+ netdev->name, cable_OUI, cable_len);
+ } else if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN) {
+ printk(KERN_INFO "%s: unsupported cable length %d\n",
+ netdev->name, cable_len);
+ }
- if (netxen_nic_check_temp(adapter))
- return;
+ netxen_advert_link_change(adapter, link_status);
- for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) {
- port = adapter->port[port_num];
- netdev = port->netdev;
+ /* update link parameters */
+ if (duplex == LINKEVENT_FULL_DUPLEX)
+ adapter->link_duplex = DUPLEX_FULL;
+ else
+ adapter->link_duplex = DUPLEX_HALF;
+ adapter->module_type = module;
+ adapter->link_autoneg = autoneg;
+ adapter->link_speed = link_speed;
+}
- if ((netif_running(netdev)) && !netif_carrier_ok(netdev)) {
- printk(KERN_INFO "%s port %d, %s carrier is now ok\n",
- netxen_nic_driver_name, port_num, netdev->name);
- netif_carrier_on(netdev);
- }
+static void
+netxen_handle_fw_message(int desc_cnt, int index,
+ struct nx_host_sds_ring *sds_ring)
+{
+ nx_fw_msg_t msg;
+ struct status_desc *desc;
+ int i = 0, opcode;
+
+ while (desc_cnt > 0 && i < 8) {
+ desc = &sds_ring->desc_head[index];
+ msg.words[i++] = le64_to_cpu(desc->status_desc_data[0]);
+ msg.words[i++] = le64_to_cpu(desc->status_desc_data[1]);
- if (netif_queue_stopped(netdev))
- netif_wake_queue(netdev);
+ index = get_next_index(index, sds_ring->num_desc);
+ desc_cnt--;
}
- if (adapter->handle_phy_intr)
- adapter->handle_phy_intr(adapter);
- mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+ opcode = netxen_get_nic_msg_opcode(msg.body[0]);
+ switch (opcode) {
+ case NX_NIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE:
+ netxen_handle_linkevent(sds_ring->adapter, &msg);
+ break;
+ default:
+ break;
+ }
}
-/*
- * netxen_process_rcv() send the received packet to the protocol stack.
- * and if the number of receives exceeds RX_BUFFERS_REFILL, then we
- * invoke the routine to send more rx buffers to the Phantom...
- */
-void
-netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
- struct status_desc *desc)
+static int
+netxen_alloc_rx_skb(struct netxen_adapter *adapter,
+ struct nx_host_rds_ring *rds_ring,
+ struct netxen_rx_buffer *buffer)
{
- struct netxen_port *port = adapter->port[netxen_get_sts_port(desc)];
- struct pci_dev *pdev = port->pdev;
- struct net_device *netdev = port->netdev;
- int index = le16_to_cpu(netxen_get_sts_refhandle(desc));
- struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]);
- struct netxen_rx_buffer *buffer;
struct sk_buff *skb;
- u32 length = le16_to_cpu(netxen_get_sts_totallength(desc));
- u32 desc_ctx;
- struct netxen_rcv_desc_ctx *rcv_desc;
- int ret;
+ dma_addr_t dma;
+ struct pci_dev *pdev = adapter->pdev;
- desc_ctx = netxen_get_sts_type(desc);
- if (unlikely(desc_ctx >= NUM_RCV_DESC_RINGS)) {
- printk("%s: %s Bad Rcv descriptor ring\n",
- netxen_nic_driver_name, netdev->name);
- return;
- }
+ buffer->skb = dev_alloc_skb(rds_ring->skb_size);
+ if (!buffer->skb)
+ return 1;
- rcv_desc = &recv_ctx->rcv_desc[desc_ctx];
- if (unlikely(index > rcv_desc->max_rx_desc_count)) {
- DPRINTK(ERR, "Got a buffer index:%x Max is %x\n",
- index, rcv_desc->max_rx_desc_count);
- return;
- }
- buffer = &rcv_desc->rx_buf_arr[index];
- if (desc_ctx == RCV_DESC_LRO_CTXID) {
- buffer->lro_current_frags++;
- if (netxen_get_sts_desc_lro_last_frag(desc)) {
- buffer->lro_expected_frags =
- netxen_get_sts_desc_lro_cnt(desc);
- buffer->lro_length = length;
- }
- if (buffer->lro_current_frags != buffer->lro_expected_frags) {
- if (buffer->lro_expected_frags != 0) {
- printk("LRO: (refhandle:%x) recv frag."
- "wait for last. flags: %x expected:%d"
- "have:%d\n", index,
- netxen_get_sts_desc_lro_last_frag(desc),
- buffer->lro_expected_frags,
- buffer->lro_current_frags);
- }
- return;
- }
+ skb = buffer->skb;
+
+ if (!adapter->ahw.cut_through)
+ skb_reserve(skb, 2);
+
+ dma = pci_map_single(pdev, skb->data,
+ rds_ring->dma_size, PCI_DMA_FROMDEVICE);
+
+ if (pci_dma_mapping_error(pdev, dma)) {
+ dev_kfree_skb_any(skb);
+ buffer->skb = NULL;
+ return 1;
}
- pci_unmap_single(pdev, buffer->dma, rcv_desc->dma_size,
- PCI_DMA_FROMDEVICE);
+ buffer->skb = skb;
+ buffer->dma = dma;
+ buffer->state = NETXEN_BUFFER_BUSY;
+
+ return 0;
+}
+
+static struct sk_buff *netxen_process_rxbuf(struct netxen_adapter *adapter,
+ struct nx_host_rds_ring *rds_ring, u16 index, u16 cksum)
+{
+ struct netxen_rx_buffer *buffer;
+ struct sk_buff *skb;
+
+ buffer = &rds_ring->rx_buf_arr[index];
+
+ pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size,
+ PCI_DMA_FROMDEVICE);
- skb = (struct sk_buff *)buffer->skb;
+ skb = buffer->skb;
+ if (!skb)
+ goto no_skb;
- if (likely(netxen_get_sts_status(desc) == STATUS_CKSUM_OK)) {
- port->stats.csummed++;
+ if (likely(adapter->rx_csum && cksum == STATUS_CKSUM_OK)) {
+ adapter->stats.csummed++;
skb->ip_summed = CHECKSUM_UNNECESSARY;
- }
- skb->dev = netdev;
- if (desc_ctx == RCV_DESC_LRO_CTXID) {
- /* True length was only available on the last pkt */
- skb_put(skb, buffer->lro_length);
- } else {
- skb_put(skb, length);
- }
+ } else
+ skb->ip_summed = CHECKSUM_NONE;
- skb->protocol = eth_type_trans(skb, netdev);
+ skb->dev = adapter->netdev;
- ret = netif_receive_skb(skb);
+ buffer->skb = NULL;
+no_skb:
+ buffer->state = NETXEN_BUFFER_FREE;
+ return skb;
+}
- /*
- * RH: Do we need these stats on a regular basis. Can we get it from
- * Linux stats.
- */
- switch (ret) {
- case NET_RX_SUCCESS:
- port->stats.uphappy++;
- break;
+static struct netxen_rx_buffer *
+netxen_process_rcv(struct netxen_adapter *adapter,
+ int ring, int index, int length, int cksum, int pkt_offset,
+ struct nx_host_sds_ring *sds_ring)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+ struct netxen_rx_buffer *buffer;
+ struct sk_buff *skb;
+ struct nx_host_rds_ring *rds_ring = &recv_ctx->rds_rings[ring];
- case NET_RX_CN_LOW:
- port->stats.uplcong++;
- break;
+ if (unlikely(index > rds_ring->num_desc))
+ return NULL;
- case NET_RX_CN_MOD:
- port->stats.upmcong++;
- break;
+ buffer = &rds_ring->rx_buf_arr[index];
- case NET_RX_CN_HIGH:
- port->stats.uphcong++;
- break;
+ skb = netxen_process_rxbuf(adapter, rds_ring, index, cksum);
+ if (!skb)
+ return buffer;
- case NET_RX_DROP:
- port->stats.updropped++;
- break;
+ if (length > rds_ring->skb_size)
+ skb_put(skb, rds_ring->skb_size);
+ else
+ skb_put(skb, length);
- default:
- port->stats.updunno++;
- break;
- }
- netdev->last_rx = jiffies;
+ if (pkt_offset)
+ skb_pull(skb, pkt_offset);
- rcv_desc->rcv_free++;
- rcv_desc->rcv_pending--;
+ skb->protocol = eth_type_trans(skb, netdev);
- /*
- * We just consumed one buffer so post a buffer.
- */
- adapter->stats.post_called++;
- buffer->skb = NULL;
- buffer->state = NETXEN_BUFFER_FREE;
- buffer->lro_current_frags = 0;
- buffer->lro_expected_frags = 0;
+ napi_gro_receive(&sds_ring->napi, skb);
- port->stats.no_rcv++;
- port->stats.rxbytes += length;
+ adapter->stats.no_rcv++;
+ adapter->stats.rxbytes += length;
+
+ return buffer;
}
-/* Process Receive status ring */
-u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max)
+#define netxen_merge_rx_buffers(list, head) \
+ do { list_splice_tail_init(list, head); } while (0);
+
+int
+netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max)
{
- struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]);
- struct status_desc *desc_head = recv_ctx->rcv_status_desc_head;
- struct status_desc *desc; /* used to read status desc here */
- u32 consumer = recv_ctx->status_rx_consumer;
- u32 producer = 0;
- int count = 0, ring;
-
- DPRINTK(INFO, "procesing receive\n");
- /*
- * we assume in this case that there is only one port and that is
- * port #1...changes need to be done in firmware to indicate port
- * number as part of the descriptor. This way we will be able to get
- * the netdev which is associated with that device.
- */
+ struct netxen_adapter *adapter = sds_ring->adapter;
+
+ struct list_head *cur;
+
+ struct status_desc *desc;
+ struct netxen_rx_buffer *rxbuf;
+
+ u32 consumer = sds_ring->consumer;
+
+ int count = 0;
+ u64 sts_data;
+ int opcode, ring, index, length, cksum, pkt_offset, desc_cnt;
+
while (count < max) {
- desc = &desc_head[consumer];
- if (!
- (le16_to_cpu(netxen_get_sts_owner(desc)) &
- STATUS_OWNER_HOST)) {
- DPRINTK(ERR, "desc %p ownedby %x\n", desc,
- netxen_get_sts_owner(desc));
+ desc = &sds_ring->desc_head[consumer];
+ sts_data = le64_to_cpu(desc->status_desc_data[0]);
+
+ if (!(sts_data & STATUS_OWNER_HOST))
+ break;
+
+ desc_cnt = netxen_get_sts_desc_cnt(sts_data);
+ ring = netxen_get_sts_type(sts_data);
+
+ if (ring > RCV_RING_JUMBO)
+ goto skip;
+
+ opcode = netxen_get_sts_opcode(sts_data);
+
+ switch (opcode) {
+ case NETXEN_NIC_RXPKT_DESC:
+ case NETXEN_OLD_RXPKT_DESC:
break;
+ case NETXEN_NIC_RESPONSE_DESC:
+ netxen_handle_fw_message(desc_cnt, consumer, sds_ring);
+ default:
+ goto skip;
+ }
+
+ WARN_ON(desc_cnt > 1);
+
+ index = netxen_get_sts_refhandle(sts_data);
+ length = netxen_get_sts_totallength(sts_data);
+ cksum = netxen_get_sts_status(sts_data);
+ pkt_offset = netxen_get_sts_pkt_offset(sts_data);
+
+ rxbuf = netxen_process_rcv(adapter, ring, index,
+ length, cksum, pkt_offset, sds_ring);
+
+ if (rxbuf)
+ list_add_tail(&rxbuf->list, &sds_ring->free_list[ring]);
+
+skip:
+ for (; desc_cnt > 0; desc_cnt--) {
+ desc = &sds_ring->desc_head[consumer];
+ desc->status_desc_data[0] =
+ cpu_to_le64(STATUS_OWNER_PHANTOM);
+ consumer = get_next_index(consumer, sds_ring->num_desc);
}
- netxen_process_rcv(adapter, ctxid, desc);
- netxen_clear_sts_owner(desc);
- netxen_set_sts_owner(desc, STATUS_OWNER_PHANTOM);
- consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1);
count++;
}
- if (count) {
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- netxen_post_rx_buffers_nodb(adapter, ctxid, ring);
+
+ for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+ struct nx_host_rds_ring *rds_ring =
+ &adapter->recv_ctx.rds_rings[ring];
+
+ if (!list_empty(&sds_ring->free_list[ring])) {
+ list_for_each(cur, &sds_ring->free_list[ring]) {
+ rxbuf = list_entry(cur,
+ struct netxen_rx_buffer, list);
+ netxen_alloc_rx_skb(adapter, rds_ring, rxbuf);
+ }
+ spin_lock(&rds_ring->lock);
+ netxen_merge_rx_buffers(&sds_ring->free_list[ring],
+ &rds_ring->free_list);
+ spin_unlock(&rds_ring->lock);
}
+
+ netxen_post_rx_buffers_nodb(adapter, rds_ring);
}
- /* update the consumer index in phantom */
if (count) {
- adapter->stats.process_rcv++;
- recv_ctx->status_rx_consumer = consumer;
- recv_ctx->status_rx_producer = producer;
-
- /* Window = 1 */
- writel(consumer,
- NETXEN_CRB_NORMALIZE(adapter,
- recv_crb_registers[ctxid].
- crb_rcv_status_consumer));
+ sds_ring->consumer = consumer;
+ NXWR32(adapter, sds_ring->crb_sts_consumer, consumer);
}
return count;
}
/* Process Command status ring */
-int netxen_process_cmd_ring(unsigned long data)
+int netxen_process_cmd_ring(struct netxen_adapter *adapter)
{
- u32 last_consumer;
- u32 consumer;
- struct netxen_adapter *adapter = (struct netxen_adapter *)data;
- int count1 = 0;
- int count2 = 0;
+ u32 sw_consumer, hw_consumer;
+ int count = 0, i;
struct netxen_cmd_buffer *buffer;
- struct netxen_port *port; /* port #1 */
- struct netxen_port *nport;
- struct pci_dev *pdev;
+ struct pci_dev *pdev = adapter->pdev;
+ struct net_device *netdev = adapter->netdev;
struct netxen_skb_frag *frag;
- u32 i;
- struct sk_buff *skb = NULL;
- int p;
- int done;
-
- spin_lock(&adapter->tx_lock);
- last_consumer = adapter->last_cmd_consumer;
- DPRINTK(INFO, "procesing xmit complete\n");
- /* we assume in this case that there is only one port and that is
- * port #1...changes need to be done in firmware to indicate port
- * number as part of the descriptor. This way we will be able to get
- * the netdev which is associated with that device.
- */
+ int done = 0;
+ struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
- consumer = *(adapter->cmd_consumer);
- if (last_consumer == consumer) { /* Ring is empty */
- DPRINTK(INFO, "last_consumer %d == consumer %d\n",
- last_consumer, consumer);
- spin_unlock(&adapter->tx_lock);
+ if (!spin_trylock(&adapter->tx_clean_lock))
return 1;
- }
- adapter->proc_cmd_buf_counter++;
- adapter->stats.process_xmit++;
- /*
- * Not needed - does not seem to be used anywhere.
- * adapter->cmd_consumer = consumer;
- */
- spin_unlock(&adapter->tx_lock);
-
- while ((last_consumer != consumer) && (count1 < MAX_STATUS_HANDLE)) {
- buffer = &adapter->cmd_buf_arr[last_consumer];
- port = adapter->port[buffer->port];
- pdev = port->pdev;
- frag = &buffer->frag_array[0];
- skb = buffer->skb;
- if (skb && (cmpxchg(&buffer->skb, skb, 0) == skb)) {
+ sw_consumer = tx_ring->sw_consumer;
+ hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
+
+ while (sw_consumer != hw_consumer) {
+ buffer = &tx_ring->cmd_buf_arr[sw_consumer];
+ if (buffer->skb) {
+ frag = &buffer->frag_array[0];
pci_unmap_single(pdev, frag->dma, frag->length,
PCI_DMA_TODEVICE);
+ frag->dma = 0ULL;
for (i = 1; i < buffer->frag_count; i++) {
- DPRINTK(INFO, "getting fragment no %d\n", i);
frag++; /* Get the next frag */
pci_unmap_page(pdev, frag->dma, frag->length,
PCI_DMA_TODEVICE);
+ frag->dma = 0ULL;
}
- port->stats.skbfreed++;
- dev_kfree_skb_any(skb);
- skb = NULL;
- } else if (adapter->proc_cmd_buf_counter == 1) {
- port->stats.txnullskb++;
- }
- if (unlikely(netif_queue_stopped(port->netdev)
- && netif_carrier_ok(port->netdev))
- && ((jiffies - port->netdev->trans_start) >
- port->netdev->watchdog_timeo)) {
- SCHEDULE_WORK(&port->adapter->tx_timeout_task);
+ adapter->stats.xmitfinished++;
+ dev_kfree_skb_any(buffer->skb);
+ buffer->skb = NULL;
}
- last_consumer = get_next_index(last_consumer,
- adapter->max_tx_desc_count);
- count1++;
- }
- adapter->stats.noxmitdone += count1;
-
- count2 = 0;
- spin_lock(&adapter->tx_lock);
- if ((--adapter->proc_cmd_buf_counter) == 0) {
- adapter->last_cmd_consumer = last_consumer;
- while ((adapter->last_cmd_consumer != consumer)
- && (count2 < MAX_STATUS_HANDLE)) {
- buffer =
- &adapter->cmd_buf_arr[adapter->last_cmd_consumer];
- count2++;
- if (buffer->skb)
- break;
- else
- adapter->last_cmd_consumer =
- get_next_index(adapter->last_cmd_consumer,
- adapter->max_tx_desc_count);
- }
+ sw_consumer = get_next_index(sw_consumer, tx_ring->num_desc);
+ if (++count >= MAX_STATUS_HANDLE)
+ break;
}
- if (count1 || count2) {
- for (p = 0; p < adapter->ahw.max_ports; p++) {
- nport = adapter->port[p];
- if (netif_queue_stopped(nport->netdev)
- && (nport->flags & NETXEN_NETDEV_STATUS)) {
- netif_wake_queue(nport->netdev);
- nport->flags &= ~NETXEN_NETDEV_STATUS;
- }
+
+ if (count && netif_running(netdev)) {
+ tx_ring->sw_consumer = sw_consumer;
+
+ smp_mb();
+
+ if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) {
+ netif_tx_lock(netdev);
+ if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
+ netif_wake_queue(netdev);
+ netif_tx_unlock(netdev);
}
}
/*
* There is still a possible race condition and the host could miss an
* interrupt. The card has to take care of this.
*/
- if (adapter->last_cmd_consumer == consumer &&
- (((adapter->cmd_producer + 1) %
- adapter->max_tx_desc_count) == adapter->last_cmd_consumer)) {
- consumer = *(adapter->cmd_consumer);
- }
- done = (adapter->last_cmd_consumer == consumer);
+ hw_consumer = le32_to_cpu(*(tx_ring->hw_consumer));
+ done = (sw_consumer == hw_consumer);
+ spin_unlock(&adapter->tx_clean_lock);
- spin_unlock(&adapter->tx_lock);
- DPRINTK(INFO, "last consumer is %d in %s\n", last_consumer,
- __FUNCTION__);
return (done);
}
-/*
- * netxen_post_rx_buffers puts buffer in the Phantom memory
- */
-void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
+void
+netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid,
+ struct nx_host_rds_ring *rds_ring)
{
- struct pci_dev *pdev = adapter->ahw.pdev;
- struct sk_buff *skb;
- struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
- struct netxen_rcv_desc_ctx *rcv_desc = NULL;
- uint producer;
struct rcv_desc *pdesc;
struct netxen_rx_buffer *buffer;
- int count = 0;
- int index = 0;
+ int producer, count = 0;
netxen_ctx_msg msg = 0;
- dma_addr_t dma;
+ struct list_head *head;
- adapter->stats.post_called++;
- rcv_desc = &recv_ctx->rcv_desc[ringid];
+ producer = rds_ring->producer;
- producer = rcv_desc->producer;
- index = rcv_desc->begin_alloc;
- buffer = &rcv_desc->rx_buf_arr[index];
- /* We can start writing rx descriptors into the phantom memory. */
- while (buffer->state == NETXEN_BUFFER_FREE) {
- skb = dev_alloc_skb(rcv_desc->skb_size);
- if (unlikely(!skb)) {
- /*
- * TODO
- * We need to schedule the posting of buffers to the pegs.
- */
- rcv_desc->begin_alloc = index;
- DPRINTK(ERR, "netxen_post_rx_buffers: "
- " allocated only %d buffers\n", count);
- break;
- }
+ spin_lock(&rds_ring->lock);
+ head = &rds_ring->free_list;
+ while (!list_empty(head)) {
- count++; /* now there should be no failure */
- pdesc = &rcv_desc->desc_head[producer];
+ buffer = list_entry(head->next, struct netxen_rx_buffer, list);
-#if defined(XGB_DEBUG)
- *(unsigned long *)(skb->head) = 0xc0debabe;
- if (skb_is_nonlinear(skb)) {
- printk("Allocated SKB @%p is nonlinear\n");
+ if (!buffer->skb) {
+ if (netxen_alloc_rx_skb(adapter, rds_ring, buffer))
+ break;
}
-#endif
- skb_reserve(skb, 2);
- /* This will be setup when we receive the
- * buffer after it has been filled FSL TBD TBD
- * skb->dev = netdev;
- */
- dma = pci_map_single(pdev, skb->data, rcv_desc->dma_size,
- PCI_DMA_FROMDEVICE);
- pdesc->addr_buffer = dma;
- buffer->skb = skb;
- buffer->state = NETXEN_BUFFER_BUSY;
- buffer->dma = dma;
+
+ count++;
+ list_del(&buffer->list);
+
/* make a rcv descriptor */
- pdesc->reference_handle = buffer->ref_handle;
- pdesc->buffer_length = rcv_desc->dma_size;
- DPRINTK(INFO, "done writing descripter\n");
- producer =
- get_next_index(producer, rcv_desc->max_rx_desc_count);
- index = get_next_index(index, rcv_desc->max_rx_desc_count);
- buffer = &rcv_desc->rx_buf_arr[index];
+ pdesc = &rds_ring->desc_head[producer];
+ pdesc->addr_buffer = cpu_to_le64(buffer->dma);
+ pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
+ pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
+
+ producer = get_next_index(producer, rds_ring->num_desc);
}
- /* if we did allocate buffers, then write the count to Phantom */
+ spin_unlock(&rds_ring->lock);
+
if (count) {
- rcv_desc->begin_alloc = index;
- rcv_desc->rcv_pending += count;
- adapter->stats.lastposted = count;
- adapter->stats.posted += count;
- rcv_desc->producer = producer;
- if (rcv_desc->rcv_free >= 32) {
- rcv_desc->rcv_free = 0;
- /* Window = 1 */
- writel((producer - 1) &
- (rcv_desc->max_rx_desc_count - 1),
- NETXEN_CRB_NORMALIZE(adapter,
- recv_crb_registers[0].
- rcv_desc_crb[ringid].
- crb_rcv_producer_offset));
+ rds_ring->producer = producer;
+ NXWR32(adapter, rds_ring->crb_rcv_producer,
+ (producer-1) & (rds_ring->num_desc-1));
+
+ if (adapter->fw_major < 4) {
/*
* Write a doorbell msg to tell phanmon of change in
* receive ring producer
+ * Only for firmware version < 4.0.0
*/
netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID);
netxen_set_msg_privid(msg);
netxen_set_msg_count(msg,
- ((producer -
- 1) & (rcv_desc->
- max_rx_desc_count - 1)));
- netxen_set_msg_ctxid(msg, 0);
+ ((producer - 1) &
+ (rds_ring->num_desc - 1)));
+ netxen_set_msg_ctxid(msg, adapter->portnum);
netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
writel(msg,
DB_NORMALIZE(adapter,
}
}
-void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ctx,
- uint32_t ringid)
+static void
+netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
+ struct nx_host_rds_ring *rds_ring)
{
- struct pci_dev *pdev = adapter->ahw.pdev;
- struct sk_buff *skb;
- struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
- struct netxen_rcv_desc_ctx *rcv_desc = NULL;
- u32 producer;
struct rcv_desc *pdesc;
struct netxen_rx_buffer *buffer;
- int count = 0;
- int index = 0;
-
- adapter->stats.post_called++;
- rcv_desc = &recv_ctx->rcv_desc[ringid];
-
- producer = rcv_desc->producer;
- index = rcv_desc->begin_alloc;
- buffer = &rcv_desc->rx_buf_arr[index];
- /* We can start writing rx descriptors into the phantom memory. */
- while (buffer->state == NETXEN_BUFFER_FREE) {
- skb = dev_alloc_skb(rcv_desc->skb_size);
- if (unlikely(!skb)) {
- /*
- * We need to schedule the posting of buffers to the pegs.
- */
- rcv_desc->begin_alloc = index;
- DPRINTK(ERR, "netxen_post_rx_buffers_nodb: "
- " allocated only %d buffers\n", count);
- break;
+ int producer, count = 0;
+ struct list_head *head;
+
+ producer = rds_ring->producer;
+ if (!spin_trylock(&rds_ring->lock))
+ return;
+
+ head = &rds_ring->free_list;
+ while (!list_empty(head)) {
+
+ buffer = list_entry(head->next, struct netxen_rx_buffer, list);
+
+ if (!buffer->skb) {
+ if (netxen_alloc_rx_skb(adapter, rds_ring, buffer))
+ break;
}
- count++; /* now there should be no failure */
- pdesc = &rcv_desc->desc_head[producer];
- skb_reserve(skb, 2);
- /*
- * This will be setup when we receive the
- * buffer after it has been filled
- * skb->dev = netdev;
- */
- buffer->skb = skb;
- buffer->state = NETXEN_BUFFER_BUSY;
- buffer->dma = pci_map_single(pdev, skb->data,
- rcv_desc->dma_size,
- PCI_DMA_FROMDEVICE);
+
+ count++;
+ list_del(&buffer->list);
/* make a rcv descriptor */
- pdesc->reference_handle = le16_to_cpu(buffer->ref_handle);
- pdesc->buffer_length = le16_to_cpu(rcv_desc->dma_size);
+ pdesc = &rds_ring->desc_head[producer];
+ pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
+ pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
pdesc->addr_buffer = cpu_to_le64(buffer->dma);
- DPRINTK(INFO, "done writing descripter\n");
- producer =
- get_next_index(producer, rcv_desc->max_rx_desc_count);
- index = get_next_index(index, rcv_desc->max_rx_desc_count);
- buffer = &rcv_desc->rx_buf_arr[index];
- }
- /* if we did allocate buffers, then write the count to Phantom */
- if (count) {
- rcv_desc->begin_alloc = index;
- rcv_desc->rcv_pending += count;
- adapter->stats.lastposted = count;
- adapter->stats.posted += count;
- rcv_desc->producer = producer;
- if (rcv_desc->rcv_free >= 32) {
- rcv_desc->rcv_free = 0;
- /* Window = 1 */
- writel((producer - 1) &
- (rcv_desc->max_rx_desc_count - 1),
- NETXEN_CRB_NORMALIZE(adapter,
- recv_crb_registers[0].
- rcv_desc_crb[ringid].
- crb_rcv_producer_offset));
- wmb();
- }
+ producer = get_next_index(producer, rds_ring->num_desc);
}
-}
-int netxen_nic_tx_has_work(struct netxen_adapter *adapter)
-{
- if (find_diff_among(adapter->last_cmd_consumer,
- adapter->cmd_producer,
- adapter->max_tx_desc_count) > 0)
- return 1;
-
- return 0;
-}
-
-int
-netxen_nic_fill_statistics(struct netxen_adapter *adapter,
- struct netxen_port *port,
- struct netxen_statistics *netxen_stats)
-{
- void __iomem *addr;
-
- if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
- netxen_nic_pci_change_crbwindow(adapter, 0);
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_BYTE_CNT,
- &(netxen_stats->tx_bytes));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_TX_FRAME_CNT,
- &(netxen_stats->tx_packets));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_BYTE_CNT,
- &(netxen_stats->rx_bytes));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_RX_FRAME_CNT,
- &(netxen_stats->rx_packets));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_AGGR_ERROR_CNT,
- &(netxen_stats->rx_errors));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_CRC_ERROR_CNT,
- &(netxen_stats->rx_crc_errors));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
- &(netxen_stats->
- rx_long_length_error));
- NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
- &(netxen_stats->
- rx_short_length_error));
-
- netxen_nic_pci_change_crbwindow(adapter, 1);
- } else {
- spin_lock_bh(&adapter->tx_lock);
- netxen_stats->tx_bytes = port->stats.txbytes;
- netxen_stats->tx_packets = port->stats.xmitedframes +
- port->stats.xmitfinished;
- netxen_stats->rx_bytes = port->stats.rxbytes;
- netxen_stats->rx_packets = port->stats.no_rcv;
- netxen_stats->rx_errors = port->stats.rcvdbadskb;
- netxen_stats->tx_errors = port->stats.nocmddescriptor;
- netxen_stats->rx_short_length_error = port->stats.uplcong;
- netxen_stats->rx_long_length_error = port->stats.uphcong;
- netxen_stats->rx_crc_errors = 0;
- netxen_stats->rx_mac_errors = 0;
- spin_unlock_bh(&adapter->tx_lock);
+ if (count) {
+ rds_ring->producer = producer;
+ NXWR32(adapter, rds_ring->crb_rcv_producer,
+ (producer - 1) & (rds_ring->num_desc - 1));
}
- return 0;
+ spin_unlock(&rds_ring->lock);
}
void netxen_nic_clear_stats(struct netxen_adapter *adapter)
{
- struct netxen_port *port;
- int port_num;
-
memset(&adapter->stats, 0, sizeof(adapter->stats));
- for (port_num = 0; port_num < adapter->ahw.max_ports; port_num++) {
- port = adapter->port[port_num];
- memset(&port->stats, 0, sizeof(port->stats));
- }
-}
-
-int
-netxen_nic_clear_statistics(struct netxen_adapter *adapter,
- struct netxen_port *port)
-{
- int data = 0;
-
- netxen_nic_pci_change_crbwindow(adapter, 0);
-
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_BYTE_CNT, &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_TX_FRAME_CNT,
- &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_BYTE_CNT, &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_RX_FRAME_CNT,
- &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_AGGR_ERROR_CNT,
- &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_CRC_ERROR_CNT,
- &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_OVERSIZE_FRAME_ERR,
- &data);
- netxen_nic_locked_write_reg(adapter, NETXEN_NIU_XGE_UNDERSIZE_FRAME_ERR,
- &data);
-
- netxen_nic_pci_change_crbwindow(adapter, 1);
- netxen_nic_clear_stats(adapter);
- return 0;
+ return;
}
-int
-netxen_nic_do_ioctl(struct netxen_adapter *adapter, void *u_data,
- struct netxen_port *port)
-{
- struct netxen_nic_ioctl_data data;
- struct netxen_nic_ioctl_data *up_data;
- int retval = 0;
- struct netxen_statistics netxen_stats;
-
- up_data = (void *)u_data;
-
- DPRINTK(INFO, "doing ioctl for %p\n", adapter);
- if (copy_from_user(&data, (void __user *)up_data, sizeof(data))) {
- /* evil user tried to crash the kernel */
- DPRINTK(ERR, "bad copy from userland: %d\n", (int)sizeof(data));
- retval = -EFAULT;
- goto error_out;
- }
-
- /* Shouldn't access beyond legal limits of "char u[64];" member */
- if (!data.ptr && (data.size > sizeof(data.u))) {
- /* evil user tried to crash the kernel */
- DPRINTK(ERR, "bad size: %d\n", data.size);
- retval = -EFAULT;
- goto error_out;
- }
-
- switch (data.cmd) {
- case netxen_nic_cmd_pci_read:
- if ((retval = netxen_nic_hw_read_ioctl(adapter, data.off,
- &(data.u), data.size)))
- goto error_out;
- if (copy_to_user
- ((void __user *)&(up_data->u), &(data.u), data.size)) {
- DPRINTK(ERR, "bad copy to userland: %d\n",
- (int)sizeof(data));
- retval = -EFAULT;
- goto error_out;
- }
- data.rv = 0;
- break;
-
- case netxen_nic_cmd_pci_write:
- if ((retval = netxen_nic_hw_write_ioctl(adapter, data.off,
- &(data.u), data.size)))
- goto error_out;
- data.rv = 0;
- break;
-
- case netxen_nic_cmd_pci_mem_read:
- if (netxen_nic_pci_mem_read_ioctl(adapter, data.off, &(data.u),
- data.size)) {
- DPRINTK(ERR, "Failed to read the data.\n");
- retval = -EFAULT;
- goto error_out;
- }
- if (copy_to_user
- ((void __user *)&(up_data->u), &(data.u), data.size)) {
- DPRINTK(ERR, "bad copy to userland: %d\n",
- (int)sizeof(data));
- retval = -EFAULT;
- goto error_out;
- }
- data.rv = 0;
- break;
-
- case netxen_nic_cmd_pci_mem_write:
- if ((retval = netxen_nic_pci_mem_write_ioctl(adapter, data.off,
- &(data.u),
- data.size)))
- goto error_out;
- data.rv = 0;
- break;
-
- case netxen_nic_cmd_pci_config_read:
- switch (data.size) {
- case 1:
- data.rv = pci_read_config_byte(adapter->ahw.pdev,
- data.off,
- (char *)&(data.u));
- break;
- case 2:
- data.rv = pci_read_config_word(adapter->ahw.pdev,
- data.off,
- (short *)&(data.u));
- break;
- case 4:
- data.rv = pci_read_config_dword(adapter->ahw.pdev,
- data.off,
- (u32 *) & (data.u));
- break;
- }
- if (copy_to_user
- ((void __user *)&(up_data->u), &(data.u), data.size)) {
- DPRINTK(ERR, "bad copy to userland: %d\n",
- (int)sizeof(data));
- retval = -EFAULT;
- goto error_out;
- }
- break;
-
- case netxen_nic_cmd_pci_config_write:
- switch (data.size) {
- case 1:
- data.rv = pci_write_config_byte(adapter->ahw.pdev,
- data.off,
- *(char *)&(data.u));
- break;
- case 2:
- data.rv = pci_write_config_word(adapter->ahw.pdev,
- data.off,
- *(short *)&(data.u));
- break;
- case 4:
- data.rv = pci_write_config_dword(adapter->ahw.pdev,
- data.off,
- *(u32 *) & (data.u));
- break;
- }
- break;
-
- case netxen_nic_cmd_get_stats:
- data.rv =
- netxen_nic_fill_statistics(adapter, port, &netxen_stats);
- if (copy_to_user
- ((void __user *)(up_data->ptr), (void *)&netxen_stats,
- sizeof(struct netxen_statistics))) {
- DPRINTK(ERR, "bad copy to userland: %d\n",
- (int)sizeof(netxen_stats));
- retval = -EFAULT;
- goto error_out;
- }
- up_data->rv = data.rv;
- break;
-
- case netxen_nic_cmd_clear_stats:
- data.rv = netxen_nic_clear_statistics(adapter, port);
- up_data->rv = data.rv;
- break;
-
- case netxen_nic_cmd_get_version:
- if (copy_to_user
- ((void __user *)&(up_data->u), NETXEN_NIC_LINUX_VERSIONID,
- sizeof(NETXEN_NIC_LINUX_VERSIONID))) {
- DPRINTK(ERR, "bad copy to userland: %d\n",
- (int)sizeof(data));
- retval = -EFAULT;
- goto error_out;
- }
- break;
-
- default:
- DPRINTK(INFO, "bad command %d for %p\n", data.cmd, adapter);
- retval = -EOPNOTSUPP;
- goto error_out;
- }
- put_user(data.rv, (&(up_data->rv)));
- DPRINTK(INFO, "done ioctl for %p well.\n", adapter);
-
- error_out:
- return retval;
-}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff