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Message-Id: <1215890720-29744-6-git-send-email-dhananjay@netxen.com>
Date: Sat, 12 Jul 2008 12:25:19 -0700
From: Dhananjay Phadke <dhananjay@...xen.com>
To: netdev@...r.kernel.org
Cc: jeff@...zik.org
Subject: [PATCH 5/6] netxen: pci probe and firmware init changes
Add initialization code in pci probe for new chip and retain
compatibility with old revisions.
Cleanup and rearrange code in nic open, close and pci remove.
Signed-off-by: Dhananjay Phadke <dhananjay@...xen.com>
---
drivers/net/netxen/netxen_nic.h | 40 ++-
drivers/net/netxen/netxen_nic_hw.c | 71 +--
drivers/net/netxen/netxen_nic_init.c | 407 +++++++++++++-----
drivers/net/netxen/netxen_nic_main.c | 796 ++++++++++++++++++++++------------
4 files changed, 872 insertions(+), 442 deletions(-)
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 7310595..32016ae 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -801,6 +801,7 @@ struct netxen_hardware_context {
unsigned long db_len;
unsigned long pci_len0;
+ u8 cut_through;
int qdr_sn_window;
int ddr_mn_window;
unsigned long mn_win_crb;
@@ -871,9 +872,16 @@ struct netxen_recv_context {
struct status_desc *rcv_status_desc_head;
};
-#define NETXEN_NIC_MSI_ENABLED 0x02
-#define NETXEN_DMA_MASK 0xfffffffe
-#define NETXEN_DB_MAPSIZE_BYTES 0x1000
+#define NETXEN_NIC_MSI_ENABLED 0x02
+#define NETXEN_NIC_MSIX_ENABLED 0x04
+#define NETXEN_IS_MSI_FAMILY(adapter) \
+ ((adapter)->flags & (NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED))
+
+#define MSIX_ENTRIES_PER_ADAPTER 8
+#define NETXEN_MSIX_TBL_SPACE 8192
+#define NETXEN_PCI_REG_MSIX_TBL 0x44
+
+#define NETXEN_DB_MAPSIZE_BYTES 0x1000
struct netxen_dummy_dma {
void *addr;
@@ -885,6 +893,7 @@ struct netxen_adapter {
struct net_device *netdev;
struct pci_dev *pdev;
+ int pci_using_dac;
struct napi_struct napi;
struct net_device_stats net_stats;
unsigned char mac_addr[ETH_ALEN];
@@ -895,6 +904,8 @@ struct netxen_adapter {
uint8_t mc_enabled;
uint8_t max_mc_count;
+ struct netxen_legacy_intr_set legacy_intr;
+
struct work_struct watchdog_task;
struct timer_list watchdog_timer;
struct work_struct tx_timeout_task;
@@ -903,6 +914,8 @@ struct netxen_adapter {
u32 crb_win;
rwlock_t adapter_lock;
+ uint64_t dma_mask;
+
u32 cmd_producer;
__le32 *cmd_consumer;
u32 last_cmd_consumer;
@@ -919,6 +932,12 @@ struct netxen_adapter {
int driver_mismatch;
u32 temp;
+ u32 fw_major;
+
+ u8 msix_supported;
+ u8 max_possible_rss_rings;
+ struct msix_entry msix_entries[MSIX_ENTRIES_PER_ADAPTER];
+
struct netxen_adapter_stats stats;
u16 link_speed;
@@ -1092,8 +1111,10 @@ unsigned long netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
void netxen_free_adapter_offload(struct netxen_adapter *adapter);
int netxen_initialize_adapter_offload(struct netxen_adapter *adapter);
int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
+int netxen_receive_peg_ready(struct netxen_adapter *adapter);
int netxen_load_firmware(struct netxen_adapter *adapter);
int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);
+
int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp);
int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
u8 *bytes, size_t size);
@@ -1107,14 +1128,19 @@ void netxen_halt_pegs(struct netxen_adapter *adapter);
int netxen_rom_se(struct netxen_adapter *adapter, int addr);
-/* Functions from netxen_nic_isr.c */
-void netxen_initialize_adapter_sw(struct netxen_adapter *adapter);
+int netxen_alloc_sw_resources(struct netxen_adapter *adapter);
+void netxen_free_sw_resources(struct netxen_adapter *adapter);
+
+int netxen_alloc_hw_resources(struct netxen_adapter *adapter);
+void netxen_free_hw_resources(struct netxen_adapter *adapter);
+
+void netxen_release_rx_buffers(struct netxen_adapter *adapter);
+void netxen_release_tx_buffers(struct netxen_adapter *adapter);
+
void netxen_initialize_adapter_ops(struct netxen_adapter *adapter);
int netxen_init_firmware(struct netxen_adapter *adapter);
-void netxen_free_hw_resources(struct netxen_adapter *adapter);
void netxen_tso_check(struct netxen_adapter *adapter,
struct cmd_desc_type0 *desc, struct sk_buff *skb);
-int netxen_nic_hw_resources(struct netxen_adapter *adapter);
void netxen_nic_clear_stats(struct netxen_adapter *adapter);
void netxen_watchdog_task(struct work_struct *work);
void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx,
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index a0515ad..f675c96 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -359,8 +359,6 @@ static u64 ctx_addr_sig_regs[][3] = {
#define ADDR_IN_RANGE(addr, low, high) \
(((addr) <= (high)) && ((addr) >= (low)))
-#define NETXEN_FLASH_BASE (NETXEN_BOOTLD_START)
-#define NETXEN_PHANTOM_MEM_BASE (NETXEN_FLASH_BASE)
#define NETXEN_MAX_MTU 8000 + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE
#define NETXEN_MIN_MTU 64
#define NETXEN_ETH_FCS_SIZE 4
@@ -381,8 +379,6 @@ static u64 ctx_addr_sig_regs[][3] = {
#define NETXEN_NIC_WINDOW_MARGIN 0x100000
-void netxen_free_hw_resources(struct netxen_adapter *adapter);
-
int netxen_nic_set_mac(struct net_device *netdev, void *p)
{
struct netxen_adapter *adapter = netdev_priv(netdev);
@@ -564,41 +560,22 @@ int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
* check if the firmware has been downloaded and ready to run and
* setup the address for the descriptors in the adapter
*/
-int netxen_nic_hw_resources(struct netxen_adapter *adapter)
+int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
{
struct netxen_hardware_context *hw = &adapter->ahw;
u32 state = 0;
void *addr;
- int loops = 0, err = 0;
+ int err = 0;
int ctx, ring;
struct netxen_recv_context *recv_ctx;
struct netxen_rcv_desc_ctx *rcv_desc;
int func_id = adapter->portnum;
- DPRINTK(INFO, "crb_base: %lx %x", NETXEN_PCI_CRBSPACE,
- PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCI_CRBSPACE));
- DPRINTK(INFO, "cam base: %lx %x", NETXEN_CRB_CAM,
- pci_base_offset(adapter, NETXEN_CRB_CAM));
- DPRINTK(INFO, "cam RAM: %lx %x", NETXEN_CAM_RAM_BASE,
- pci_base_offset(adapter, NETXEN_CAM_RAM_BASE));
-
-
- for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
- loops = 0;
- state = 0;
- do {
- /* Window 1 call */
- state = adapter->pci_read_normalize(adapter,
- CRB_RCVPEG_STATE);
- msleep(1);
- loops++;
- } while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20);
- if (loops >= 20) {
- printk(KERN_ERR "Rcv Peg initialization not complete:"
- "%x.\n", state);
- err = -EIO;
- return err;
- }
+ 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);
@@ -992,10 +969,12 @@ int netxen_load_firmware(struct netxen_adapter *adapter)
{
int i;
u32 data, size = 0;
- u32 flashaddr = NETXEN_FLASH_BASE, memaddr = NETXEN_PHANTOM_MEM_BASE;
+ u32 flashaddr = NETXEN_BOOTLD_START, memaddr = NETXEN_BOOTLD_START;
+
+ size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START)/4;
- size = NETXEN_FIRMWARE_LEN;
- adapter->pci_write_normalize(adapter,
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+ adapter->pci_write_normalize(adapter,
NETXEN_ROMUSB_GLB_CAS_RST, 1);
for (i = 0; i < size; i++) {
@@ -1007,12 +986,17 @@ int netxen_load_firmware(struct netxen_adapter *adapter)
memaddr += 4;
cond_resched();
}
- udelay(100);
- /* make sure Casper is powered on */
- adapter->pci_write_normalize(adapter,
+ msleep(1);
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+ adapter->pci_write_normalize(adapter,
+ NETXEN_ROMUSB_GLB_SW_RESET, 0x80001d);
+ else {
+ adapter->pci_write_normalize(adapter,
NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff);
- adapter->pci_write_normalize(adapter,
+ adapter->pci_write_normalize(adapter,
NETXEN_ROMUSB_GLB_CAS_RST, 0);
+ }
return 0;
}
@@ -2241,6 +2225,8 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter)
adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_MINOR, &fw_minor, 4);
adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_SUB, &fw_build, 4);
+ adapter->fw_major = fw_major;
+
if (adapter->portnum == 0) {
get_brd_name_by_type(board_info->board_type, brd_name);
@@ -2262,16 +2248,5 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter)
adapter->netdev->name);
return;
}
-
- switch (adapter->ahw.board_type) {
- case NETXEN_NIC_GBE:
- dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
- adapter->netdev->name);
- break;
- case NETXEN_NIC_XGBE:
- dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
- adapter->netdev->name);
- break;
- }
}
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index ce5c27c..d48d1a3 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -130,7 +130,7 @@ int netxen_init_firmware(struct netxen_adapter *adapter)
return 0;
while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) {
- udelay(100);
+ msleep(1);
/* Window 1 call */
state = adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE);
@@ -155,34 +155,165 @@ int netxen_init_firmware(struct netxen_adapter *adapter)
return err;
}
-void netxen_initialize_adapter_sw(struct netxen_adapter *adapter)
+void netxen_release_rx_buffers(struct netxen_adapter *adapter)
{
- int ctxid, ring;
- u32 i;
- u32 num_rx_bufs = 0;
+ struct netxen_recv_context *recv_ctx;
struct netxen_rcv_desc_ctx *rcv_desc;
+ struct netxen_rx_buffer *rx_buf;
+ int i, ctxid, ring;
- DPRINTK(INFO, "initializing some queues: %p\n", adapter);
for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
+ recv_ctx = &adapter->recv_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 = &recv_ctx->rcv_desc[ring];
+ for (i = 0; i < rcv_desc->max_rx_desc_count; ++i) {
+ rx_buf = &(rcv_desc->rx_buf_arr[i]);
+ if (rx_buf->state == NETXEN_BUFFER_FREE)
+ continue;
+ pci_unmap_single(adapter->pdev,
+ rx_buf->dma,
+ rcv_desc->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;
+
+ cmd_buf = adapter->cmd_buf_arr;
+ for (i = 0; i < adapter->max_tx_desc_count; 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;
+ }
+ }
+ /* Free the skb we received in netxen_nic_xmit_frame */
+ if (cmd_buf->skb) {
+ dev_kfree_skb_any(cmd_buf->skb);
+ cmd_buf->skb = NULL;
+ }
+ cmd_buf++;
+ }
+}
+
+void netxen_free_sw_resources(struct netxen_adapter *adapter)
+{
+ struct netxen_recv_context *recv_ctx;
+ struct netxen_rcv_desc_ctx *rcv_desc;
+ int ctx, ring;
+
+ 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->rx_buf_arr) {
+ vfree(rcv_desc->rx_buf_arr);
+ rcv_desc->rx_buf_arr = NULL;
+ }
+ }
+ }
+ if (adapter->cmd_buf_arr)
+ vfree(adapter->cmd_buf_arr);
+ return;
+}
+
+int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
+{
+ struct netxen_recv_context *recv_ctx;
+ struct netxen_rcv_desc_ctx *rcv_desc;
+ struct netxen_rx_buffer *rx_buf;
+ int ctx, ring, i, num_rx_bufs;
+
+ struct netxen_cmd_buffer *cmd_buf_arr;
+ struct net_device *netdev = adapter->netdev;
+
+ cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE);
+ if (cmd_buf_arr == NULL) {
+ printk(KERN_ERR "%s: Failed to allocate cmd buffer ring\n",
+ netdev->name);
+ return -ENOMEM;
+ }
+ memset(cmd_buf_arr, 0, TX_RINGSIZE);
+ adapter->cmd_buf_arr = cmd_buf_arr;
+
+ 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];
+ switch (RCV_DESC_TYPE(ring)) {
+ case RCV_DESC_NORMAL:
+ rcv_desc->max_rx_desc_count =
+ adapter->max_rx_desc_count;
+ rcv_desc->flags = RCV_DESC_NORMAL;
+ rcv_desc->dma_size = RX_DMA_MAP_LEN;
+ rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH;
+ break;
+
+ case RCV_DESC_JUMBO:
+ rcv_desc->max_rx_desc_count =
+ adapter->max_jumbo_rx_desc_count;
+ rcv_desc->flags = RCV_DESC_JUMBO;
+ rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN;
+ rcv_desc->skb_size =
+ MAX_RX_JUMBO_BUFFER_LENGTH;
+ break;
+
+ case RCV_RING_LRO:
+ rcv_desc->max_rx_desc_count =
+ adapter->max_lro_rx_desc_count;
+ rcv_desc->flags = RCV_DESC_LRO;
+ rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN;
+ rcv_desc->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
+ break;
+
+ }
+ rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *)
+ vmalloc(RCV_BUFFSIZE);
+ if (rcv_desc->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(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE);
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.
*/
+ num_rx_bufs = rcv_desc->max_rx_desc_count;
+ rx_buf = rcv_desc->rx_buf_arr;
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++;
}
}
}
+
+ return 0;
+
+err_out:
+ netxen_free_sw_resources(adapter);
+ return -ENOMEM;
}
void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
@@ -730,19 +861,18 @@ int netxen_flash_unlock(struct netxen_adapter *adapter)
#define NETXEN_BOARDTYPE 0x4008
#define NETXEN_BOARDNUM 0x400c
#define NETXEN_CHIPNUM 0x4010
-#define NETXEN_ROMBUS_RESET 0xFFFFFFFF
int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
{
int addr, val;
- int n, i;
- int init_delay = 0;
+ int i, init_delay = 0;
struct crb_addr_pair *buf;
+ unsigned offset, n;
u32 off;
/* resetall */
netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
- NETXEN_ROMBUS_RESET);
+ 0xffffffff);
if (verbose) {
int val;
@@ -760,108 +890,146 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
printk("Could not read chip number\n");
}
- if (netxen_rom_fast_read(adapter, 0, &n) == 0 && (n & 0x80000000)) {
- n &= ~0x80000000;
- if (n < 0x400) {
- 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 != 0xcafecafeUL) ||
+ 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;
- }
- 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;
-
- buf[i].addr = addr;
- buf[i].data = val;
-
- if (verbose)
- printk("%s: PCI: 0x%08x == 0x%08x\n",
- netxen_nic_driver_name, (unsigned int)
- netxen_decode_crb_addr(addr), val);
+ 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++) {
+ offset = 1;
+ n &= ~0x80000000;
+ }
+
+ 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;
+ }
+
+ 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)
+ return -EIO;
+
+ 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",
+ 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;
}
- off += NETXEN_PCI_CRBSPACE;
- /* skipping cold reboot MAGIC */
- if (off == NETXEN_CAM_RAM(0x1fc))
+ 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;
+ }
+
+ /* 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 (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
/* hold xdma in reset also */
buf[i].data = NETXEN_NIC_XDMA_RESET;
}
+ }
- adapter->hw_write_wx(adapter, off, &buf[i].data, 4);
+ adapter->hw_write_wx(adapter, off, &buf[i].data, 4);
- if (init_delay == 1) {
- msleep(1000);
- init_delay = 0;
- }
- msleep(1);
+ if (init_delay == 1) {
+ msleep(1000);
+ init_delay = 0;
}
- kfree(buf);
+ msleep(1);
+ }
+ kfree(buf);
- /* disable_peg_cache_all */
+ /* disable_peg_cache_all */
- /* unreset_net_cache */
- adapter->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 */
+ /* unreset_net_cache */
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ adapter->hw_read_wx(adapter,
+ NETXEN_ROMUSB_GLB_SW_RESET, &val, 4);
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);
+ 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);
return 0;
}
@@ -877,7 +1045,7 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
&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;
}
@@ -888,6 +1056,11 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
adapter->pci_write_normalize(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI, hi);
adapter->pci_write_normalize(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO, lo);
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+ uint32_t temp = 0;
+ adapter->hw_write_wx(adapter, CRB_HOST_DUMMY_BUF, &temp, 4);
+ }
+
return 0;
}
@@ -921,22 +1094,24 @@ void netxen_free_adapter_offload(struct netxen_adapter *adapter)
int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
{
u32 val = 0;
- int retries = 30;
+ int retries = 60;
if (!pegtune_val) {
do {
val = adapter->pci_read_normalize(adapter,
CRB_CMDPEG_STATE);
- pegtune_val = adapter->pci_read_normalize(adapter,
- NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
if (val == PHAN_INITIALIZE_COMPLETE ||
val == PHAN_INITIALIZE_ACK)
return 0;
- msleep(1000);
+ msleep(500);
+
} while (--retries);
+
if (!retries) {
+ pegtune_val = adapter->pci_read_normalize(adapter,
+ NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
printk(KERN_WARNING "netxen_phantom_init: init failed, "
"pegtune_val=%x\n", pegtune_val);
return -1;
@@ -946,6 +1121,30 @@ int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
return 0;
}
+int netxen_receive_peg_ready(struct netxen_adapter *adapter)
+{
+ u32 val = 0;
+ int retries = 2000;
+
+ do {
+ val = adapter->pci_read_normalize(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 int netxen_nic_check_temp(struct netxen_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 80b9bea..57b1f83 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -49,13 +49,22 @@ char netxen_nic_driver_name[] = "netxen_nic";
static char netxen_nic_driver_string[] = "NetXen Network Driver version "
NETXEN_NIC_LINUX_VERSIONID;
+static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
+
+/* Default to restricted 1G auto-neg mode */
+static int wol_port_mode = 5;
+
+static int use_msi = 1;
+
+static int use_msi_x = 1;
+
#define NETXEN_NETDEV_WEIGHT 120
#define NETXEN_ADAPTER_UP_MAGIC 777
#define NETXEN_NIC_PEG_TUNE 0
/* Local functions to NetXen NIC driver */
static int __devinit netxen_nic_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent);
+ const struct pci_device_id *ent);
static void __devexit netxen_nic_remove(struct pci_dev *pdev);
static int netxen_nic_open(struct net_device *netdev);
static int netxen_nic_close(struct net_device *netdev);
@@ -135,9 +144,11 @@ netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
adapter->crb_addr_cmd_consumer, crb_consumer);
}
-static uint32_t msi_tgt_status[4] = {
+static uint32_t msi_tgt_status[8] = {
ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
- ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3
+ ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
+ ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
+ ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
};
static uint32_t sw_int_mask[4] = {
@@ -145,6 +156,8 @@ static uint32_t sw_int_mask[4] = {
CRB_SW_INT_MASK_2, CRB_SW_INT_MASK_3
};
+static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
+
static void netxen_nic_disable_int(struct netxen_adapter *adapter)
{
u32 mask = 0x7ff;
@@ -159,7 +172,7 @@ static void netxen_nic_disable_int(struct netxen_adapter *adapter)
adapter->intr_scheme != INTR_SCHEME_PERPORT)
adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask);
- if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ if (!NETXEN_IS_MSI_FAMILY(adapter)) {
do {
adapter->pci_write_immediate(adapter,
ISR_INT_TARGET_STATUS, 0xffffffff);
@@ -208,7 +221,7 @@ static void netxen_nic_enable_int(struct netxen_adapter *adapter)
adapter->pci_write_normalize(adapter, sw_int_mask[port], 0x1);
- if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+ if (!NETXEN_IS_MSI_FAMILY(adapter)) {
mask = 0xbff;
if (adapter->intr_scheme != -1 &&
adapter->intr_scheme != INTR_SCHEME_PERPORT) {
@@ -222,6 +235,279 @@ static void netxen_nic_enable_int(struct netxen_adapter *adapter)
DPRINTK(1, INFO, "Done with enable Int\n");
}
+static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ int err;
+ uint64_t mask;
+
+#ifdef CONFIG_IA64
+ adapter->dma_mask = DMA_32BIT_MASK;
+#else
+ if (revision_id >= NX_P3_B0) {
+ /* should go to DMA_64BIT_MASK */
+ adapter->dma_mask = DMA_39BIT_MASK;
+ mask = DMA_39BIT_MASK;
+ } else if (revision_id == NX_P3_A2) {
+ adapter->dma_mask = DMA_39BIT_MASK;
+ mask = DMA_39BIT_MASK;
+ } else if (revision_id == NX_P2_C1) {
+ adapter->dma_mask = DMA_35BIT_MASK;
+ mask = DMA_35BIT_MASK;
+ } else {
+ adapter->dma_mask = DMA_32BIT_MASK;
+ mask = DMA_32BIT_MASK;
+ goto set_32_bit_mask;
+ }
+
+ /*
+ * Consistent DMA mask is set to 32 bit because it cannot be set to
+ * 35 bits. For P3 also leave it at 32 bits for now. Only the rings
+ * come off this pool.
+ */
+ if (pci_set_dma_mask(pdev, mask) == 0 &&
+ pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK) == 0) {
+ adapter->pci_using_dac = 1;
+ return 0;
+ }
+#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);
+ if (err) {
+ DPRINTK(ERR, "No usable DMA configuration, aborting:%d\n", err);
+ return err;
+ }
+
+ adapter->pci_using_dac = 0;
+ return 0;
+}
+
+void netxen_check_options(struct netxen_adapter *adapter)
+{
+ switch (adapter->ahw.boardcfg.board_type) {
+ case NETXEN_BRDTYPE_P3_HMEZ:
+ case NETXEN_BRDTYPE_P3_XG_LOM:
+ case NETXEN_BRDTYPE_P3_10G_CX4:
+ case NETXEN_BRDTYPE_P3_10G_CX4_LP:
+ case NETXEN_BRDTYPE_P3_IMEZ:
+ case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
+ case NETXEN_BRDTYPE_P3_10G_XFP:
+ case NETXEN_BRDTYPE_P3_10000_BASE_T:
+ adapter->msix_supported = !!use_msi_x;
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+ break;
+
+ case NETXEN_BRDTYPE_P2_SB31_10G:
+ case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
+ case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
+ case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
+ adapter->msix_supported = 0;
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+ break;
+
+ case NETXEN_BRDTYPE_P3_REF_QG:
+ case NETXEN_BRDTYPE_P3_4_GB:
+ case NETXEN_BRDTYPE_P3_4_GB_MM:
+ case NETXEN_BRDTYPE_P2_SB35_4G:
+ case NETXEN_BRDTYPE_P2_SB31_2G:
+ adapter->msix_supported = 0;
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
+ break;
+
+ default:
+ adapter->msix_supported = 0;
+ adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
+
+ printk(KERN_WARNING "Unknown board type(0x%x)\n",
+ adapter->ahw.boardcfg.board_type);
+ break;
+ }
+
+ adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
+ adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
+ adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
+
+ adapter->max_possible_rss_rings = 1;
+ return;
+}
+
+int netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
+{
+ int ret = 0;
+
+ if (first_boot == 0x55555555) {
+ /* This is the first boot after power up */
+
+ /* PCI bus master workaround */
+ adapter->hw_read_wx(adapter,
+ NETXEN_PCIE_REG(0x4), &first_boot, 4);
+ if (!(first_boot & 0x4)) {
+ first_boot |= 0x4;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PCIE_REG(0x4), &first_boot, 4);
+ adapter->hw_read_wx(adapter,
+ NETXEN_PCIE_REG(0x4), &first_boot, 4);
+ }
+
+ /* This is the first boot after power up */
+ adapter->hw_read_wx(adapter,
+ NETXEN_ROMUSB_GLB_SW_RESET, &first_boot, 4);
+ if (first_boot != 0x80000f) {
+ /* clear the register for future unloads/loads */
+ adapter->pci_write_normalize(adapter,
+ NETXEN_CAM_RAM(0x1fc), 0);
+ ret = -1;
+ }
+
+ 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);
+ }
+ }
+ return ret;
+}
+
+static void netxen_set_port_mode(struct netxen_adapter *adapter)
+{
+ u32 val, data;
+
+ val = adapter->ahw.boardcfg.board_type;
+ if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
+ (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
+ if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
+ data = NETXEN_PORT_MODE_802_3_AP;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PORT_MODE_ADDR, &data, 4);
+ } else if (port_mode == NETXEN_PORT_MODE_XG) {
+ data = NETXEN_PORT_MODE_XG;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PORT_MODE_ADDR, &data, 4);
+ } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
+ data = NETXEN_PORT_MODE_AUTO_NEG_1G;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PORT_MODE_ADDR, &data, 4);
+ } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
+ data = NETXEN_PORT_MODE_AUTO_NEG_XG;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PORT_MODE_ADDR, &data, 4);
+ } else {
+ data = NETXEN_PORT_MODE_AUTO_NEG;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PORT_MODE_ADDR, &data, 4);
+ }
+
+ if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
+ (wol_port_mode != NETXEN_PORT_MODE_XG) &&
+ (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
+ (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
+ wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
+ }
+ adapter->hw_write_wx(adapter, NETXEN_WOL_PORT_MODE,
+ &wol_port_mode, 4);
+ }
+}
+
+#define PCI_CAP_ID_GEN 0x10
+
+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 = pci_get_device(0x1166, 0x0140, NULL);
+ if (pdev) {
+ pci_dev_put(pdev);
+ adapter->hw_read_wx(adapter,
+ NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4);
+ chicken |= 0x4000;
+ adapter->hw_write_wx(adapter,
+ NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4);
+ }
+
+ 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;
+ int pos;
+
+ pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
+ if (pos) {
+ pci_read_config_dword(pdev, pos, &control);
+ if (enable)
+ control |= PCI_MSIX_FLAGS_ENABLE;
+ else
+ control = 0;
+ pci_write_config_dword(pdev, pos, control);
+ }
+}
+
+static void netxen_init_msix_entries(struct netxen_adapter *adapter)
+{
+ int i;
+
+ for (i = 0; i < MSIX_ENTRIES_PER_ADAPTER; i++)
+ adapter->msix_entries[i].entry = i;
+}
+
/*
* netxen_nic_probe()
*
@@ -247,28 +533,28 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
u8 __iomem *db_ptr = NULL;
- unsigned long mem_base, mem_len, db_base, db_len, pci_len0;
- int pci_using_dac, i = 0, err;
- int ring;
- struct netxen_recv_context *recv_ctx = NULL;
- struct netxen_rcv_desc_ctx *rcv_desc = NULL;
- struct netxen_cmd_buffer *cmd_buf_arr = NULL;
+ unsigned long mem_base, mem_len, db_base, db_len, pci_len0 = 0;
+ int i = 0, err;
+ int first_driver, first_boot;
__le64 mac_addr[FLASH_NUM_PORTS + 1];
- int valid_mac = 0;
u32 val;
int pci_func_id = PCI_FUNC(pdev->devfn);
DECLARE_MAC_BUF(mac);
+ struct netxen_legacy_intr_set *legacy_intrp;
+ uint8_t revision_id;
if (pci_func_id == 0)
- printk(KERN_INFO "%s \n", netxen_nic_driver_string);
+ printk(KERN_INFO "%s\n", netxen_nic_driver_string);
if (pdev->class != 0x020000) {
printk(KERN_DEBUG "NetXen function %d, class %x will not "
"be enabled.\n",pci_func_id, pdev->class);
return -ENODEV;
}
+
if ((err = pci_enable_device(pdev)))
return err;
+
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
err = -ENODEV;
goto err_out_disable_pdev;
@@ -278,18 +564,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_disable_pdev;
pci_set_master(pdev);
- if (pdev->revision == NX_P2_C1 &&
- (pci_set_dma_mask(pdev, DMA_35BIT_MASK) == 0) &&
- (pci_set_consistent_dma_mask(pdev, DMA_35BIT_MASK) == 0)) {
- pci_using_dac = 1;
- } else {
- if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) ||
- (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)))
- goto err_out_free_res;
-
- pci_using_dac = 0;
- }
-
netdev = alloc_etherdev(sizeof(struct netxen_adapter));
if(!netdev) {
@@ -302,8 +576,17 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
SET_NETDEV_DEV(netdev, &pdev->dev);
adapter = netdev->priv;
-
+ adapter->netdev = netdev;
+ adapter->pdev = pdev;
adapter->ahw.pci_func = pci_func_id;
+
+ revision_id = pdev->revision;
+ adapter->ahw.revision_id = revision_id;
+
+ err = nx_set_dma_mask(adapter, revision_id);
+ if (err)
+ goto err_out_free_netdev;
+
rwlock_init(&adapter->adapter_lock);
adapter->ahw.qdr_sn_window = -1;
adapter->ahw.ddr_mn_window = -1;
@@ -379,7 +662,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (db_len == 0) {
printk(KERN_ERR "%s: doorbell is disabled\n",
- netxen_nic_driver_name);
+ netxen_nic_driver_name);
err = -EIO;
goto err_out_iounmap;
}
@@ -389,7 +672,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
if (!db_ptr) {
printk(KERN_ERR "%s: Failed to allocate doorbell map.",
- netxen_nic_driver_name);
+ netxen_nic_driver_name);
err = -EIO;
goto err_out_iounmap;
}
@@ -404,11 +687,18 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->ahw.db_base = db_ptr;
adapter->ahw.db_len = db_len;
- adapter->netdev = netdev;
- adapter->pdev = pdev;
-
netif_napi_add(netdev, &adapter->napi,
- netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+ netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+
+ if (revision_id >= NX_P3_B0)
+ legacy_intrp = &legacy_intr[pci_func_id];
+ else
+ legacy_intrp = &legacy_intr[0];
+
+ adapter->legacy_intr.int_vec_bit = legacy_intrp->int_vec_bit;
+ adapter->legacy_intr.tgt_status_reg = legacy_intrp->tgt_status_reg;
+ adapter->legacy_intr.tgt_mask_reg = legacy_intrp->tgt_mask_reg;
+ adapter->legacy_intr.pci_int_reg = legacy_intrp->pci_int_reg;
/* this will be read from FW later */
adapter->intr_scheme = -1;
@@ -418,8 +708,11 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->portnum = pci_func_id;
adapter->status &= ~NETXEN_NETDEV_STATUS;
adapter->rx_csum = 1;
- adapter->max_mc_count = 16;
adapter->mc_enabled = 0;
+ if (NX_IS_REVISION_P3(revision_id))
+ adapter->max_mc_count = 38;
+ else
+ adapter->max_mc_count = 16;
netdev->open = netxen_nic_open;
netdev->stop = netxen_nic_close;
@@ -441,18 +734,12 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
netdev->features = NETIF_F_SG;
netdev->features |= NETIF_F_IP_CSUM;
netdev->features |= NETIF_F_TSO;
+ if (NX_IS_REVISION_P3(revision_id))
+ netdev->features |= NETIF_F_TSO6;
- if (pci_using_dac)
+ if (adapter->pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
- if (pci_enable_msi(pdev))
- adapter->flags &= ~NETXEN_NIC_MSI_ENABLED;
- else
- adapter->flags |= NETXEN_NIC_MSI_ENABLED;
-
- netdev->irq = pdev->irq;
- INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
-
/*
* Set the CRB window to invalid. If any register in window 0 is
* accessed it should set the window to 0 and then reset it to 1.
@@ -461,87 +748,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (netxen_nic_get_board_info(adapter) != 0) {
printk("%s: Error getting board config info.\n",
- netxen_nic_driver_name);
+ netxen_nic_driver_name);
err = -EIO;
goto err_out_iounmap;
}
- /*
- * Adapter in our case is quad port so initialize it before
- * initializing the ports
- */
-
netxen_initialize_adapter_ops(adapter);
- adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
- if ((adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB35_4G) ||
- (adapter->ahw.boardcfg.board_type ==
- NETXEN_BRDTYPE_P2_SB31_2G))
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
- else
- adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS;
- adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
- adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
-
- cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE);
- if (cmd_buf_arr == NULL) {
- printk(KERN_ERR
- "%s: Could not allocate cmd_buf_arr memory:%d\n",
- netxen_nic_driver_name, (int)TX_RINGSIZE);
- err = -ENOMEM;
- goto err_out_free_adapter;
- }
- memset(cmd_buf_arr, 0, TX_RINGSIZE);
- adapter->cmd_buf_arr = cmd_buf_arr;
-
- for (i = 0; i < MAX_RCV_CTX; ++i) {
- recv_ctx = &adapter->recv_ctx[i];
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
- switch (RCV_DESC_TYPE(ring)) {
- case RCV_DESC_NORMAL:
- rcv_desc->max_rx_desc_count =
- adapter->max_rx_desc_count;
- rcv_desc->flags = RCV_DESC_NORMAL;
- rcv_desc->dma_size = RX_DMA_MAP_LEN;
- rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH;
- break;
-
- case RCV_DESC_JUMBO:
- rcv_desc->max_rx_desc_count =
- adapter->max_jumbo_rx_desc_count;
- rcv_desc->flags = RCV_DESC_JUMBO;
- rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN;
- rcv_desc->skb_size = MAX_RX_JUMBO_BUFFER_LENGTH;
- break;
-
- case RCV_RING_LRO:
- rcv_desc->max_rx_desc_count =
- adapter->max_lro_rx_desc_count;
- rcv_desc->flags = RCV_DESC_LRO;
- rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN;
- rcv_desc->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
- break;
-
- }
- rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *)
- vmalloc(RCV_BUFFSIZE);
-
- if (rcv_desc->rx_buf_arr == NULL) {
- printk(KERN_ERR "%s: Could not allocate "
- "rcv_desc->rx_buf_arr memory:%d\n",
- netxen_nic_driver_name,
- (int)RCV_BUFFSIZE);
- err = -ENOMEM;
- goto err_out_free_rx_buffer;
- }
- memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE);
- }
-
- }
-
- netxen_initialize_adapter_sw(adapter); /* initialize the buffers in adapter */
-
/* Mezz cards have PCI function 0,2,3 enabled */
switch (adapter->ahw.boardcfg.board_type) {
case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
@@ -553,81 +766,43 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
break;
}
- init_timer(&adapter->watchdog_timer);
- adapter->ahw.xg_linkup = 0;
- adapter->watchdog_timer.function = &netxen_watchdog;
- adapter->watchdog_timer.data = (unsigned long)adapter;
- INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
- adapter->ahw.revision_id = pdev->revision;
+ /*
+ * This call will setup various max rx/tx counts.
+ * It must be done before any buffer/ring allocations.
+ */
+ netxen_check_options(adapter);
+ first_driver = 0;
+ if (NX_IS_REVISION_P3(revision_id)) {
+ if (adapter->ahw.pci_func == 0)
+ first_driver = 1;
+ } else {
+ if (adapter->portnum == 0)
+ first_driver = 1;
+ }
adapter->crb_addr_cmd_producer = crb_cmd_producer[adapter->portnum];
adapter->crb_addr_cmd_consumer = crb_cmd_consumer[adapter->portnum];
netxen_nic_update_cmd_producer(adapter, 0);
netxen_nic_update_cmd_consumer(adapter, 0);
- if (netxen_is_flash_supported(adapter) == 0 &&
- netxen_get_flash_mac_addr(adapter, mac_addr) == 0)
- valid_mac = 1;
- else
- valid_mac = 0;
-
- if (valid_mac) {
- unsigned char *p = (unsigned char *)&mac_addr[adapter->portnum];
- netdev->dev_addr[0] = *(p + 5);
- netdev->dev_addr[1] = *(p + 4);
- netdev->dev_addr[2] = *(p + 3);
- netdev->dev_addr[3] = *(p + 2);
- netdev->dev_addr[4] = *(p + 1);
- netdev->dev_addr[5] = *(p + 0);
-
- memcpy(netdev->perm_addr, netdev->dev_addr,
- netdev->addr_len);
- if (!is_valid_ether_addr(netdev->perm_addr)) {
- printk(KERN_ERR "%s: Bad MAC address %s.\n",
- netxen_nic_driver_name,
- print_mac(mac, netdev->dev_addr));
- } else {
- if (adapter->macaddr_set)
- adapter->macaddr_set(adapter,
- netdev->dev_addr);
- }
- }
-
- if (adapter->portnum == 0) {
- err = netxen_initialize_adapter_offload(adapter);
- if (err)
- goto err_out_free_rx_buffer;
- val = adapter->pci_read_normalize(adapter,
+ if (first_driver) {
+ first_boot = adapter->pci_read_normalize(adapter,
NETXEN_CAM_RAM(0x1fc));
- if (val == 0x55555555) {
- /* This is the first boot after power up */
- netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
- if (!(val & 0x4)) {
- val |= 0x4;
- netxen_nic_write_w0(adapter, NETXEN_PCIE_REG(0x4), val);
- netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
- if (!(val & 0x4))
- printk(KERN_ERR "%s: failed to set MSI bit in PCI-e reg\n",
- netxen_nic_driver_name);
- }
- val = adapter->pci_read_normalize(adapter,
- NETXEN_ROMUSB_GLB_SW_RESET);
- printk(KERN_INFO"NetXen: read 0x%08x for reset reg.\n",val);
- if (val != 0x80000f) {
- /* clear the register for future unloads/loads */
- adapter->pci_write_normalize(adapter,
- NETXEN_CAM_RAM(0x1fc), 0);
- printk(KERN_ERR "ERROR in NetXen HW init sequence.\n");
- err = -ENODEV;
- goto err_out_free_dev;
- }
- } else {
+ if (NX_IS_REVISION_P3(revision_id))
+ netxen_set_port_mode(adapter);
+
+ if (first_boot != 0x55555555) {
adapter->pci_write_normalize(adapter,
CRB_CMDPEG_STATE, 0);
netxen_pinit_from_rom(adapter, 0);
msleep(1);
netxen_load_firmware(adapter);
- netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+ }
+
+ if (NX_IS_REVISION_P3(revision_id))
+ netxen_pcie_strap_init(adapter);
+
+ if (NX_IS_REVISION_P2(revision_id)) {
/* Initialize multicast addr pool owners */
val = 0x7654;
@@ -638,10 +813,16 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
- /* clear the register for future unloads/loads */
- adapter->pci_write_normalize(adapter, NETXEN_CAM_RAM(0x1fc), 0);
- dev_info(&pdev->dev, "cmdpeg state: 0x%0x\n",
- adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE));
+ 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;
/*
* Tell the hardware our version number.
@@ -651,12 +832,19 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
| (_NETXEN_NIC_LINUX_SUBVERSION);
adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i);
- /* Unlock the HW, prompting the boot sequence */
- adapter->pci_write_normalize(adapter,
- NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
/* Handshake with the card before we register the devices. */
netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
- }
+
+ if (NX_IS_REVISION_P3(revision_id)) {
+ adapter->hw_read_wx(adapter,
+ NETXEN_MIU_MN_CONTROL, &val, 4);
+ adapter->ahw.cut_through = (val & 0x4) ? 1 : 0;
+ dev_info(&pdev->dev, "firmware running in %s mode\n",
+ adapter->ahw.cut_through ? "cut through" : "legacy");
+ }
+ } /* first_driver */
+
+ netxen_nic_flash_print(adapter);
/*
* See if the firmware gave us a virtual-physical port mapping.
@@ -666,6 +854,76 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (i != 0x55555555)
adapter->physical_port = i;
+ adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
+
+ netxen_set_msix_bit(pdev, 0);
+
+ if (NX_IS_REVISION_P3(revision_id)) {
+ if ((mem_len != NETXEN_PCI_128MB_SIZE) &&
+ mem_len != NETXEN_PCI_2MB_SIZE)
+ adapter->msix_supported = 0;
+ }
+
+ if (adapter->msix_supported) {
+
+ netxen_init_msix_entries(adapter);
+
+ if (pci_enable_msix(pdev, adapter->msix_entries,
+ MSIX_ENTRIES_PER_ADAPTER))
+ goto request_msi;
+
+ adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
+ netxen_set_msix_bit(pdev, 1);
+ dev_info(&pdev->dev, "using msi-x interrupts\n");
+
+ } else {
+request_msi:
+ if (use_msi && !pci_enable_msi(pdev)) {
+ adapter->flags |= NETXEN_NIC_MSI_ENABLED;
+ dev_info(&pdev->dev, "using msi interrupts\n");
+ } else
+ dev_info(&pdev->dev, "using legacy interrupts\n");
+ }
+
+ if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+ netdev->irq = adapter->msix_entries[0].vector;
+ else
+ netdev->irq = pdev->irq;
+
+ err = netxen_receive_peg_ready(adapter);
+ if (err)
+ goto err_out_disable_msi;
+
+ init_timer(&adapter->watchdog_timer);
+ adapter->ahw.xg_linkup = 0;
+ adapter->watchdog_timer.function = &netxen_watchdog;
+ adapter->watchdog_timer.data = (unsigned long)adapter;
+ INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
+ INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
+
+ if (netxen_is_flash_supported(adapter) == 0 &&
+ netxen_get_flash_mac_addr(adapter, mac_addr) == 0) {
+ unsigned char *p;
+
+ p = (unsigned char *)&mac_addr[adapter->portnum];
+ netdev->dev_addr[0] = *(p + 5);
+ netdev->dev_addr[1] = *(p + 4);
+ netdev->dev_addr[2] = *(p + 3);
+ netdev->dev_addr[3] = *(p + 2);
+ netdev->dev_addr[4] = *(p + 1);
+ netdev->dev_addr[5] = *(p + 0);
+
+ memcpy(netdev->perm_addr, netdev->dev_addr,
+ netdev->addr_len);
+ if (!is_valid_ether_addr(netdev->perm_addr)) {
+ printk(KERN_ERR "%s: Bad MAC address %s.\n",
+ netxen_nic_driver_name,
+ print_mac(mac, netdev->dev_addr));
+ } else {
+ adapter->macaddr_set(adapter, netdev->dev_addr);
+ }
+ }
+
netif_carrier_off(netdev);
netif_stop_queue(netdev);
@@ -674,41 +932,37 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
" aborting\n", netxen_nic_driver_name,
adapter->portnum);
err = -EIO;
- goto err_out_free_dev;
+ goto err_out_disable_msi;
}
- netxen_nic_flash_print(adapter);
pci_set_drvdata(pdev, adapter);
- return 0;
-
-err_out_free_dev:
- if (adapter->portnum == 0)
- netxen_free_adapter_offload(adapter);
-
-err_out_free_rx_buffer:
- for (i = 0; i < MAX_RCV_CTX; ++i) {
- recv_ctx = &adapter->recv_ctx[i];
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
- if (rcv_desc->rx_buf_arr != NULL) {
- vfree(rcv_desc->rx_buf_arr);
- rcv_desc->rx_buf_arr = NULL;
- }
- }
+ switch (adapter->ahw.board_type) {
+ case NETXEN_NIC_GBE:
+ dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
+ adapter->netdev->name);
+ break;
+ case NETXEN_NIC_XGBE:
+ dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
+ adapter->netdev->name);
+ break;
}
- vfree(cmd_buf_arr);
-err_out_free_adapter:
+ return 0;
+
+err_out_disable_msi:
+ if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+ pci_disable_msix(pdev);
if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
pci_disable_msi(pdev);
- pci_set_drvdata(pdev, NULL);
+ if (first_driver)
+ netxen_free_adapter_offload(adapter);
+err_out_iounmap:
if (db_ptr)
iounmap(db_ptr);
-err_out_iounmap:
if (mem_ptr0)
iounmap(mem_ptr0);
if (mem_ptr1)
@@ -723,6 +977,7 @@ err_out_free_res:
pci_release_regions(pdev);
err_out_disable_pdev:
+ pci_set_drvdata(pdev, NULL);
pci_disable_device(pdev);
return err;
}
@@ -731,11 +986,6 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
{
struct netxen_adapter *adapter;
struct net_device *netdev;
- struct netxen_rx_buffer *buffer;
- struct netxen_recv_context *recv_ctx;
- struct netxen_rcv_desc_ctx *rcv_desc;
- int i, ctxid, ring;
- static int init_firmware_done = 0;
adapter = pci_get_drvdata(pdev);
if (adapter == NULL)
@@ -746,36 +996,18 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
unregister_netdev(netdev);
if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
- init_firmware_done++;
netxen_free_hw_resources(adapter);
+ netxen_free_sw_resources(adapter);
}
- for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
- recv_ctx = &adapter->recv_ctx[ctxid];
- for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
- rcv_desc = &recv_ctx->rcv_desc[ring];
- for (i = 0; i < rcv_desc->max_rx_desc_count; ++i) {
- buffer = &(rcv_desc->rx_buf_arr[i]);
- if (buffer->state == NETXEN_BUFFER_FREE)
- continue;
- pci_unmap_single(pdev, buffer->dma,
- rcv_desc->dma_size,
- PCI_DMA_FROMDEVICE);
- if (buffer->skb != NULL)
- dev_kfree_skb_any(buffer->skb);
- }
- vfree(rcv_desc->rx_buf_arr);
- }
- }
-
- vfree(adapter->cmd_buf_arr);
-
if (adapter->portnum == 0)
netxen_free_adapter_offload(adapter);
if (adapter->irq)
free_irq(adapter->irq, adapter);
+ if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+ pci_disable_msix(pdev);
if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
pci_disable_msi(pdev);
@@ -813,52 +1045,67 @@ static int netxen_nic_open(struct net_device *netdev)
return -EIO;
}
- /* setup all the resources for the Phantom... */
- /* this include the descriptors for rcv, tx, and status */
- netxen_nic_clear_stats(adapter);
- err = netxen_nic_hw_resources(adapter);
+ err = netxen_alloc_sw_resources(adapter);
if (err) {
- printk(KERN_ERR "Error in setting hw resources:%d\n",
- err);
+ printk(KERN_ERR "%s: Error in setting sw resources\n",
+ netdev->name);
return err;
}
+
+ netxen_nic_clear_stats(adapter);
+
+ err = netxen_alloc_hw_resources(adapter);
+ if (err) {
+ printk(KERN_ERR "%s: Error in setting hw resources\n",
+ netdev->name);
+ goto err_out_free_sw;
+ }
+
+ if (adapter->fw_major < 4) {
+ adapter->crb_addr_cmd_producer =
+ crb_cmd_producer[adapter->portnum];
+ adapter->crb_addr_cmd_consumer =
+ crb_cmd_consumer[adapter->portnum];
+ }
+
+ netxen_nic_update_cmd_producer(adapter, 0);
+ netxen_nic_update_cmd_consumer(adapter, 0);
+
for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++)
netxen_post_rx_buffers(adapter, ctx, ring);
}
- adapter->irq = adapter->pdev->irq;
- if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+ if (NETXEN_IS_MSI_FAMILY(adapter))
handler = netxen_msi_intr;
else {
flags |= IRQF_SHARED;
handler = netxen_intr;
}
+ adapter->irq = netdev->irq;
err = request_irq(adapter->irq, handler,
flags, netdev->name, adapter);
if (err) {
printk(KERN_ERR "request_irq failed with: %d\n", err);
- netxen_free_hw_resources(adapter);
- return err;
+ goto err_out_free_hw;
}
adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
}
+
/* Done here again so that even if phantom sw overwrote it,
* we set it */
- if (adapter->init_port
- && adapter->init_port(adapter, adapter->portnum) != 0) {
+ err = adapter->init_port(adapter, adapter->portnum);
+ if (err) {
printk(KERN_ERR "%s: Failed to initialize port %d\n",
netxen_nic_driver_name, adapter->portnum);
- return -EIO;
+ goto err_out_free_irq;
}
- if (adapter->macaddr_set)
- adapter->macaddr_set(adapter, netdev->dev_addr);
+ adapter->macaddr_set(adapter, netdev->dev_addr);
netxen_nic_set_link_parameters(adapter);
netxen_nic_set_multi(netdev);
- if (adapter->set_mtu)
- adapter->set_mtu(adapter, netdev->mtu);
+ adapter->set_mtu(adapter, netdev->mtu);
mod_timer(&adapter->watchdog_timer, jiffies);
@@ -868,6 +1115,14 @@ static int netxen_nic_open(struct net_device *netdev)
netif_start_queue(netdev);
return 0;
+
+err_out_free_irq:
+ free_irq(adapter->irq, adapter);
+err_out_free_hw:
+ netxen_free_hw_resources(adapter);
+err_out_free_sw:
+ netxen_free_sw_resources(adapter);
+ return err;
}
/*
@@ -876,9 +1131,6 @@ static int netxen_nic_open(struct net_device *netdev)
static int netxen_nic_close(struct net_device *netdev)
{
struct netxen_adapter *adapter = netdev_priv(netdev);
- int i, j;
- struct netxen_cmd_buffer *cmd_buff;
- struct netxen_skb_frag *buffrag;
netif_carrier_off(netdev);
netif_stop_queue(netdev);
@@ -889,33 +1141,11 @@ static int netxen_nic_close(struct net_device *netdev)
netxen_nic_disable_int(adapter);
- cmd_buff = adapter->cmd_buf_arr;
- for (i = 0; i < adapter->max_tx_desc_count; i++) {
- buffrag = cmd_buff->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_buff->frag_count; j++) {
- buffrag++;
- if (buffrag->dma) {
- pci_unmap_page(adapter->pdev, buffrag->dma,
- buffrag->length,
- PCI_DMA_TODEVICE);
- buffrag->dma = 0ULL;
- }
- }
- /* Free the skb we received in netxen_nic_xmit_frame */
- if (cmd_buff->skb) {
- dev_kfree_skb_any(cmd_buff->skb);
- cmd_buff->skb = NULL;
- }
- cmd_buff++;
- }
- if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
- FLUSH_SCHEDULED_WORK();
- del_timer_sync(&adapter->watchdog_timer);
+ netxen_release_tx_buffers(adapter);
+
+ if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
+ FLUSH_SCHEDULED_WORK();
+ del_timer_sync(&adapter->watchdog_timer);
}
return 0;
--
1.5.4.3
--
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