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Date: Fri, 20 Apr 2007 07:53:52 -0700
From: Mithlesh Thukral <mithlesh@...xen.com>
To: netdev@...r.kernel.org
Cc: amitkale@...xen.com, jeff@...zik.org, netxenproj@...syssoft.com,
rob@...xen.com
Subject: [PATCH 3/7] NetXen: Multi PCI support for Quad cards
NetXen: Fix the multi PCI function for cards with more than 2 ports.
This patch fixes the working of multi PCI capable driver on cards with
more than 2 ports by adding the addresses for their rings and sizes.
Signed-off by: Mithlesh Thukral <mithlesh@...xen.com>
---
drivers/net/netxen/netxen_nic_hw.c | 115 +++++++++++++++++++--
drivers/net/netxen/netxen_nic_init.c | 4
drivers/net/netxen/netxen_nic_main.c | 61 +++++------
drivers/net/netxen/netxen_nic_phan_reg.h | 6 -
4 files changed, 144 insertions(+), 42 deletions(-)
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index a066208..c464bc7 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -140,8 +140,105 @@ struct netxen_recv_crb recv_crb_register
NETXEN_NIC_REG(0x180),
/* crb_status_ring_size */
NETXEN_NIC_REG(0x184),
-
},
+ /*
+ * Instance 3,
+ */
+ {
+ {
+ {
+ /* crb_rcv_producer_offset: */
+ NETXEN_NIC_REG(0x1d8),
+ /* crb_rcv_consumer_offset: */
+ NETXEN_NIC_REG(0x1dc),
+ /* crb_gloablrcv_ring: */
+ NETXEN_NIC_REG(0x1f0),
+ /* crb_rcv_ring_size */
+ NETXEN_NIC_REG(0x1f4),
+ },
+ /* Jumbo frames */
+ {
+ /* crb_rcv_producer_offset: */
+ NETXEN_NIC_REG(0x1f8),
+ /* crb_rcv_consumer_offset: */
+ NETXEN_NIC_REG(0x1fc),
+ /* crb_gloablrcv_ring: */
+ NETXEN_NIC_REG(0x200),
+ /* crb_rcv_ring_size */
+ NETXEN_NIC_REG(0x204),
+ },
+ /* LRO */
+ {
+ /* crb_rcv_producer_offset: */
+ NETXEN_NIC_REG(0x208),
+ /* crb_rcv_consumer_offset: */
+ NETXEN_NIC_REG(0x20c),
+ /* crb_gloablrcv_ring: */
+ NETXEN_NIC_REG(0x210),
+ /* crb_rcv_ring_size */
+ NETXEN_NIC_REG(0x214),
+ }
+ },
+ /* crb_rcvstatus_ring: */
+ NETXEN_NIC_REG(0x218),
+ /* crb_rcv_status_producer: */
+ NETXEN_NIC_REG(0x21c),
+ /* crb_rcv_status_consumer: */
+ NETXEN_NIC_REG(0x220),
+ /* crb_rcvpeg_state: */
+ NETXEN_NIC_REG(0x224),
+ /* crb_status_ring_size */
+ NETXEN_NIC_REG(0x228),
+ },
+ /*
+ * Instance 4,
+ */
+ {
+ {
+ {
+ /* crb_rcv_producer_offset: */
+ NETXEN_NIC_REG(0x22c),
+ /* crb_rcv_consumer_offset: */
+ NETXEN_NIC_REG(0x230),
+ /* crb_gloablrcv_ring: */
+ NETXEN_NIC_REG(0x234),
+ /* crb_rcv_ring_size */
+ NETXEN_NIC_REG(0x238),
+ },
+ /* Jumbo frames */
+ {
+ /* crb_rcv_producer_offset: */
+ NETXEN_NIC_REG(0x23c),
+ /* crb_rcv_consumer_offset: */
+ NETXEN_NIC_REG(0x240),
+ /* crb_gloablrcv_ring: */
+ NETXEN_NIC_REG(0x244),
+ /* crb_rcv_ring_size */
+ NETXEN_NIC_REG(0x248),
+ },
+ /* LRO */
+ {
+ /* crb_rcv_producer_offset: */
+ NETXEN_NIC_REG(0x24c),
+ /* crb_rcv_consumer_offset: */
+ NETXEN_NIC_REG(0x250),
+ /* crb_gloablrcv_ring: */
+ NETXEN_NIC_REG(0x254),
+ /* crb_rcv_ring_size */
+ NETXEN_NIC_REG(0x258),
+ }
+ },
+ /* crb_rcvstatus_ring: */
+ NETXEN_NIC_REG(0x25c),
+ /* crb_rcv_status_producer: */
+ NETXEN_NIC_REG(0x260),
+ /* crb_rcv_status_consumer: */
+ NETXEN_NIC_REG(0x264),
+ /* crb_rcvpeg_state: */
+ NETXEN_NIC_REG(0x268),
+ /* crb_status_ring_size */
+ NETXEN_NIC_REG(0x26c),
+ },
};
u64 ctx_addr_sig_regs[][3] = {
@@ -294,6 +391,7 @@ int netxen_nic_hw_resources(struct netxe
u32 card_cmdring = 0;
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));
@@ -349,6 +447,7 @@ int netxen_nic_hw_resources(struct netxe
}
memset(addr, 0, sizeof(struct netxen_ring_ctx));
adapter->ctx_desc = (struct netxen_ring_ctx *)addr;
+ adapter->ctx_desc->ctx_id = adapter->portnum;
adapter->ctx_desc->cmd_consumer_offset =
cpu_to_le64(adapter->ctx_desc_phys_addr +
sizeof(struct netxen_ring_ctx));
@@ -419,11 +518,11 @@ int netxen_nic_hw_resources(struct netxe
/* Window = 1 */
writel(lower32(adapter->ctx_desc_phys_addr),
- NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_LO));
+ NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_LO(func_id)));
writel(upper32(adapter->ctx_desc_phys_addr),
- NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_HI));
- writel(NETXEN_CTX_SIGNATURE,
- NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_SIGNATURE_REG));
+ NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_HI(func_id)));
+ writel(NETXEN_CTX_SIGNATURE | func_id,
+ NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_SIGNATURE_REG(func_id)));
return err;
}
@@ -964,9 +1063,11 @@ int netxen_nic_set_mtu_xgb(struct netxen
{
new_mtu += NETXEN_NIU_HDRSIZE + NETXEN_NIU_TLRSIZE;
if (adapter->portnum == 0)
- netxen_nic_write_w0(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu);
+ netxen_nic_write_w0(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE,
+ new_mtu);
else if (adapter->portnum == 1)
- netxen_nic_write_w0(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE, new_mtu);
+ netxen_nic_write_w0(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE,
+ new_mtu);
return 0;
}
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 13f36d3..9a4047b 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -226,7 +226,6 @@ void netxen_initialize_adapter_ops(struc
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;
@@ -438,7 +437,6 @@ do_rom_fast_read_words(struct netxen_ada
for (addridx = addr; addridx < (addr + size); addridx += 4) {
ret = do_rom_fast_read(adapter, addridx, (int *)bytes);
- *(int *)bytes = cpu_to_le32(*(int *)bytes);
if (ret != 0)
break;
bytes += 4;
@@ -498,7 +496,7 @@ static inline int do_rom_fast_write_word
int timeout = 0;
int data;
- data = le32_to_cpu((*(u32*)bytes));
+ data = *(u32*)bytes;
ret = do_rom_fast_write(adapter, addridx, data);
if (ret < 0)
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 07faea9..d2bb50c 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -285,7 +285,7 @@ netxen_nic_probe(struct pci_dev *pdev, c
adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
- pci_set_drvdata(pdev, adapter);
+ pci_set_drvdata(pdev, netdev);
adapter->netdev = netdev;
adapter->pdev = pdev;
@@ -387,6 +387,11 @@ #endif
adapter->ahw.db_len = db_len;
spin_lock_init(&adapter->tx_lock);
spin_lock_init(&adapter->lock);
+ /* initialize the adapter */
+ netxen_initialize_adapter_hw(adapter);
+
+ netxen_initialize_adapter_ops(adapter);
+
netxen_initialize_adapter_sw(adapter); /* initialize the buffers in adapter */
/* Mezz cards have PCI function 0,2,3 enabled */
if (adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ)
@@ -411,11 +416,6 @@ #endif
* initializing the ports
*/
- /* initialize the adapter */
- netxen_initialize_adapter_hw(adapter);
-
- netxen_initialize_adapter_ops(adapter);
-
init_timer(&adapter->watchdog_timer);
adapter->ahw.xg_linkup = 0;
adapter->watchdog_timer.function = &netxen_watchdog;
@@ -577,8 +577,8 @@ static void __devexit netxen_nic_remove(
int i;
int ctxid, ring;
- adapter = pci_get_drvdata(pdev);
- netdev = adapter->netdev;
+ netdev = pci_get_drvdata(pdev);
+ adapter = netdev_priv(netdev);
if (adapter == NULL)
return;
@@ -587,15 +587,15 @@ static void __devexit netxen_nic_remove(
if (adapter->irq)
free_irq(adapter->irq, adapter);
- /* leave the hw in the same state as reboot */
- writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
- netxen_pinit_from_rom(adapter, 0);
- netxen_load_firmware(adapter);
- netxen_free_adapter_offload(adapter);
+ if(adapter->portnum == 0) {
+ /* leave the hw in the same state as reboot */
+ writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+ netxen_pinit_from_rom(adapter, 0);
+ netxen_load_firmware(adapter);
+ netxen_free_adapter_offload(adapter);
+ }
udelay(500);
- unregister_netdev(netdev);
- free_netdev(netdev);
if ((adapter->flags & NETXEN_NIC_MSI_ENABLED))
pci_disable_msi(pdev);
@@ -607,10 +607,6 @@ static void __devexit netxen_nic_remove(
iounmap(adapter->ahw.pci_base1);
iounmap(adapter->ahw.pci_base2);
- pci_release_regions(pdev);
- pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
-
for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
recv_ctx = &adapter->recv_ctx[ctxid];
for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
@@ -630,7 +626,13 @@ static void __devexit netxen_nic_remove(
}
vfree(adapter->cmd_buf_arr);
- kfree(adapter);
+ unregister_netdev(netdev);
+ free_netdev(netdev);
+
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+
}
/*
@@ -650,8 +652,6 @@ static int netxen_nic_open(struct net_de
return -EIO;
}
netxen_nic_flash_print(adapter);
- if (adapter->init_niu)
- adapter->init_niu(adapter);
/* setup all the resources for the Phantom... */
/* this include the descriptors for rcv, tx, and status */
@@ -662,13 +662,6 @@ static int netxen_nic_open(struct net_de
err);
return err;
}
- if (adapter->init_port
- && adapter->init_port(adapter, adapter->portnum) != 0) {
- printk(KERN_ERR "%s: Failed to initialize port %d\n",
- netxen_nic_driver_name, adapter->portnum);
- netxen_free_hw_resources(adapter);
- return -EIO;
- }
for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++)
netxen_post_rx_buffers(adapter, ctx, ring);
@@ -694,6 +687,15 @@ static int netxen_nic_open(struct net_de
* we set it */
if (adapter->macaddr_set)
adapter->macaddr_set(adapter, netdev->dev_addr);
+ if (adapter->init_port
+ && adapter->init_port(adapter, adapter->portnum) != 0) {
+ printk(KERN_ERR "%s: Failed to initialize port %d\n",
+ netxen_nic_driver_name, adapter->portnum);
+ free_irq(adapter->irq, adapter);
+ netxen_free_hw_resources(adapter);
+ return -EIO;
+ }
+
netxen_nic_set_link_parameters(adapter);
netxen_nic_set_multi(netdev);
@@ -1026,6 +1028,7 @@ netxen_handle_int(struct netxen_adapter
u32 ret = 0;
DPRINTK(INFO, "Entered handle ISR\n");
+ adapter->stats.ints++;
if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
int count = 0;
diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h
index f7eb627..cb9acf1 100644
--- a/drivers/net/netxen/netxen_nic_phan_reg.h
+++ b/drivers/net/netxen/netxen_nic_phan_reg.h
@@ -151,9 +151,9 @@ #else
extern struct netxen_recv_crb recv_crb_registers[];
extern u64 ctx_addr_sig_regs[][3];
#endif /* DEFINE_GLOBAL_RECEIVE_CRB */
-#define CRB_CTX_ADDR_REG_LO (ctx_addr_sig_regs[0][0])
-#define CRB_CTX_ADDR_REG_HI (ctx_addr_sig_regs[0][2])
-#define CRB_CTX_SIGNATURE_REG (ctx_addr_sig_regs[0][1])
+#define CRB_CTX_ADDR_REG_LO(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][0])
+#define CRB_CTX_ADDR_REG_HI(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][2])
+#define CRB_CTX_SIGNATURE_REG(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][1])
/*
* Temperature control.
-
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