diff options
author | Amit S. Kale <amitkale@netxen.com> | 2006-12-04 09:23:25 -0800 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2006-12-04 18:36:03 -0500 |
commit | ed25ffa16434724f5ed825aa48734c7f3aefa203 (patch) | |
tree | 71cff36d0b2f43adf20e67ac6cc3ba3020f94ff2 /drivers/net/netxen/netxen_nic_hw.c | |
parent | 80922fbcb6f00127e91580e7565bb665947ac5d3 (diff) | |
download | kernel_samsung_smdk4412-ed25ffa16434724f5ed825aa48734c7f3aefa203.zip kernel_samsung_smdk4412-ed25ffa16434724f5ed825aa48734c7f3aefa203.tar.gz kernel_samsung_smdk4412-ed25ffa16434724f5ed825aa48734c7f3aefa203.tar.bz2 |
[PATCH] NetXen: multiport firmware support, ioctl interface
NetXen: 1G/10G Ethernet driver updates
- Multiport and newer firmware support
- ioctl interface for user level tools
- Cast error fix for multiport
Signed-off-by: Amit S. Kale <amitkale@netxen.com>
netxen_nic.h | 281 +++++++++++++++++++++++++-------
netxen_nic_ethtool.c | 12 -
netxen_nic_hw.c | 429 +++++++++++++++++++++++++++++++++++++++++---------
netxen_nic_init.c | 301 ++++++++++++++++++++++++++++++-----
netxen_nic_ioctl.h | 2
netxen_nic_isr.c | 3
netxen_nic_main.c | 260 ++++++++++++++++++------------
netxen_nic_niu.c | 22 +-
netxen_nic_phan_reg.h | 228 ++++++++++++++++----------
9 files changed, 1161 insertions(+), 377 deletions(-)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/netxen/netxen_nic_hw.c')
-rw-r--r-- | drivers/net/netxen/netxen_nic_hw.c | 429 |
1 files changed, 357 insertions, 72 deletions
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 7470852..9147b60 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -42,7 +42,7 @@ #define NETXEN_FLASH_BASE (BOOTLD_START) #define NETXEN_PHANTOM_MEM_BASE (NETXEN_FLASH_BASE) -#define NETXEN_MAX_MTU 8000 +#define NETXEN_MAX_MTU 8000 + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE #define NETXEN_MIN_MTU 64 #define NETXEN_ETH_FCS_SIZE 4 #define NETXEN_ENET_HEADER_SIZE 14 @@ -176,11 +176,9 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) struct netxen_hardware_context *hw = &adapter->ahw; u32 state = 0; void *addr; - void *pause_addr; int loops = 0, err = 0; int ctx, ring; u32 card_cmdring = 0; - struct netxen_rcv_desc_crb *rcv_desc_crb = NULL; struct netxen_recv_context *recv_ctx; struct netxen_rcv_desc_ctx *rcv_desc; @@ -224,33 +222,42 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) DPRINTK(INFO, "Recieve Peg ready too. starting stuff\n"); addr = netxen_alloc(adapter->ahw.pdev, - sizeof(struct cmd_desc_type0) * - adapter->max_tx_desc_count, - &hw->cmd_desc_phys_addr, &hw->cmd_desc_pdev); + sizeof(struct netxen_ring_ctx) + + sizeof(uint32_t), + (dma_addr_t *) & adapter->ctx_desc_phys_addr, + &adapter->ctx_desc_pdev); + printk("ctx_desc_phys_addr: 0x%llx\n", + (u64) adapter->ctx_desc_phys_addr); if (addr == NULL) { DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); - return -ENOMEM; + err = -ENOMEM; + return err; } + memset(addr, 0, sizeof(struct netxen_ring_ctx)); + adapter->ctx_desc = (struct netxen_ring_ctx *)addr; + adapter->ctx_desc->cmd_consumer_offset = adapter->ctx_desc_phys_addr + + sizeof(struct netxen_ring_ctx); + adapter->cmd_consumer = (uint32_t *) (((char *)addr) + + sizeof(struct netxen_ring_ctx)); + + addr = pci_alloc_consistent(adapter->ahw.pdev, + sizeof(struct cmd_desc_type0) * + adapter->max_tx_desc_count, + (dma_addr_t *) & hw->cmd_desc_phys_addr); + printk("cmd_desc_phys_addr: 0x%llx\n", (u64) hw->cmd_desc_phys_addr); - pause_addr = netxen_alloc(adapter->ahw.pdev, 512, - (dma_addr_t *) & hw->pause_physaddr, - &hw->pause_pdev); - if (pause_addr == NULL) { - DPRINTK(1, ERR, "bad return from pci_alloc_consistent\n"); + if (addr == NULL) { + DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); + netxen_free_hw_resources(adapter); return -ENOMEM; } - hw->pauseaddr = (char *)pause_addr; - { - u64 *ptr = (u64 *) pause_addr; - *ptr++ = NETXEN_NIC_ZERO_PAUSE_ADDR; - *ptr++ = NETXEN_NIC_ZERO_PAUSE_ADDR; - *ptr++ = NETXEN_NIC_UNIT_PAUSE_ADDR; - *ptr++ = NETXEN_NIC_ZERO_PAUSE_ADDR; - *ptr++ = NETXEN_NIC_EPG_PAUSE_ADDR1; - *ptr++ = NETXEN_NIC_EPG_PAUSE_ADDR2; - } + adapter->ctx_desc->cmd_ring_addr_lo = + hw->cmd_desc_phys_addr & 0xffffffffUL; + adapter->ctx_desc->cmd_ring_addr_hi = + ((u64) hw->cmd_desc_phys_addr >> 32); + adapter->ctx_desc->cmd_ring_size = adapter->max_tx_desc_count; hw->cmd_desc_head = (struct cmd_desc_type0 *)addr; @@ -271,6 +278,12 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) return err; } rcv_desc->desc_head = (struct rcv_desc *)addr; + adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr_lo = + rcv_desc->phys_addr & 0xffffffffUL; + adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr_hi = + ((u64) rcv_desc->phys_addr >> 32); + adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size = + rcv_desc->max_rx_desc_count; } addr = netxen_alloc(adapter->ahw.pdev, STATUS_DESC_RINGSIZE, @@ -284,47 +297,21 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) return err; } recv_ctx->rcv_status_desc_head = (struct status_desc *)addr; - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; - rcv_desc_crb = - &recv_crb_registers[ctx].rcv_desc_crb[ring]; - DPRINTK(INFO, "ring #%d crb global ring reg 0x%x\n", - ring, rcv_desc_crb->crb_globalrcv_ring); - /* Window = 1 */ - writel(lower32(rcv_desc->phys_addr), - NETXEN_CRB_NORMALIZE(adapter, - rcv_desc_crb-> - crb_globalrcv_ring)); - DPRINTK(INFO, "GLOBAL_RCV_RING ctx %d, addr 0x%x" - " val 0x%llx," - " virt %p\n", ctx, - rcv_desc_crb->crb_globalrcv_ring, - (unsigned long long)rcv_desc->phys_addr, - +rcv_desc->desc_head); - } + adapter->ctx_desc->sts_ring_addr_lo = + recv_ctx->rcv_status_desc_phys_addr & 0xffffffffUL; + adapter->ctx_desc->sts_ring_addr_hi = + ((u64) recv_ctx->rcv_status_desc_phys_addr >> 32); + adapter->ctx_desc->sts_ring_size = adapter->max_rx_desc_count; - /* Window = 1 */ - writel(lower32(recv_ctx->rcv_status_desc_phys_addr), - NETXEN_CRB_NORMALIZE(adapter, - recv_crb_registers[ctx]. - crb_rcvstatus_ring)); - DPRINTK(INFO, "RCVSTATUS_RING, ctx %d, addr 0x%x," - " val 0x%x,virt%p\n", - ctx, - recv_crb_registers[ctx].crb_rcvstatus_ring, - (unsigned long long)recv_ctx->rcv_status_desc_phys_addr, - recv_ctx->rcv_status_desc_head); } /* Window = 1 */ - writel(lower32(hw->pause_physaddr), - NETXEN_CRB_NORMALIZE(adapter, CRB_PAUSE_ADDR_LO)); - writel(upper32(hw->pause_physaddr), - NETXEN_CRB_NORMALIZE(adapter, CRB_PAUSE_ADDR_HI)); - - writel(lower32(hw->cmd_desc_phys_addr), - NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO)); - writel(upper32(hw->cmd_desc_phys_addr), - NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_HI)); + + writel(lower32(adapter->ctx_desc_phys_addr), + NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_LO)); + 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)); return err; } @@ -334,6 +321,15 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) struct netxen_rcv_desc_ctx *rcv_desc; int ctx, ring; + if (adapter->ctx_desc != NULL) { + pci_free_consistent(adapter->ctx_desc_pdev, + sizeof(struct netxen_ring_ctx) + + sizeof(uint32_t), + adapter->ctx_desc, + adapter->ctx_desc_phys_addr); + adapter->ctx_desc = NULL; + } + if (adapter->ahw.cmd_desc_head != NULL) { pci_free_consistent(adapter->ahw.cmd_desc_pdev, sizeof(struct cmd_desc_type0) * @@ -342,11 +338,9 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) adapter->ahw.cmd_desc_phys_addr); adapter->ahw.cmd_desc_head = NULL; } - if (adapter->ahw.pauseaddr != NULL) { - pci_free_consistent(adapter->ahw.pause_pdev, 512, - adapter->ahw.pauseaddr, - adapter->ahw.pause_physaddr); - adapter->ahw.pauseaddr = NULL; + /* Special handling: there are 2 ports on this board */ + if (adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) { + adapter->ahw.max_ports = 2; } for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { @@ -381,19 +375,22 @@ void netxen_tso_check(struct netxen_adapter *adapter, desc->total_hdr_length = sizeof(struct ethhdr) + ((skb->nh.iph)->ihl * sizeof(u32)) + ((skb->h.th)->doff * sizeof(u32)); - desc->opcode = TX_TCP_LSO; + netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO); } else if (skb->ip_summed == CHECKSUM_COMPLETE) { if (skb->nh.iph->protocol == IPPROTO_TCP) { - desc->opcode = TX_TCP_PKT; + netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT); } else if (skb->nh.iph->protocol == IPPROTO_UDP) { - desc->opcode = TX_UDP_PKT; + netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT); } else { return; } } adapter->stats.xmitcsummed++; - CMD_DESC_TCP_HDR_OFFSET_WRT(desc, skb->h.raw - skb->data); - desc->length_tcp_hdr = cpu_to_le32(desc->length_tcp_hdr); + desc->tcp_hdr_offset = skb->h.raw - skb->data; + netxen_set_cmd_desc_totallength(desc, + cpu_to_le32 + (netxen_get_cmd_desc_totallength + (desc))); desc->ip_hdr_offset = skb->nh.raw - skb->data; } @@ -871,7 +868,7 @@ void netxen_nic_set_link_parameters(struct netxen_port *port) { struct netxen_adapter *adapter = port->adapter; __le32 status; - u16 autoneg; + __le32 autoneg; __le32 mode; netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode); @@ -911,7 +908,7 @@ void netxen_nic_set_link_parameters(struct netxen_port *port) && adapter-> phy_read(adapter, port->portnum, NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, - (__le32 *) & autoneg) != 0) + &autoneg) != 0) port->link_autoneg = autoneg; } else goto link_down; @@ -1006,3 +1003,291 @@ int netxen_crb_read_val(struct netxen_adapter *adapter, unsigned long off) netxen_nic_hw_read_wx(adapter, off, &data, 4); return data; } + +int netxen_nic_hw_write_ioctl(struct netxen_adapter *adapter, u64 off, + void *data, int len) +{ + void *addr; + u64 offset = off; + u8 *mem_ptr = NULL; + unsigned long mem_base; + unsigned long mem_page; + + if (ADDR_IN_WINDOW1(off)) { + addr = NETXEN_CRB_NORMALIZE(adapter, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + offset = NETXEN_CRB_NORMAL(off); + mem_page = offset & PAGE_MASK; + if (mem_page != ((offset + len - 1) & PAGE_MASK)) + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) { + return 1; + } + addr = mem_ptr; + addr += offset & (PAGE_SIZE - 1); + } + } else { + addr = pci_base_offset(adapter, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + mem_page = off & PAGE_MASK; + if (mem_page != ((off + len - 1) & PAGE_MASK)) + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) { + return 1; + } + addr = mem_ptr; + addr += off & (PAGE_SIZE - 1); + } + netxen_nic_pci_change_crbwindow(adapter, 0); + } + switch (len) { + case 1: + writeb(*(u8 *) data, addr); + break; + case 2: + writew(*(u16 *) data, addr); + break; + case 4: + writel(*(u32 *) data, addr); + break; + case 8: + writeq(*(u64 *) data, addr); + break; + default: + DPRINTK(INFO, + "writing data %lx to offset %llx, num words=%d\n", + *(unsigned long *)data, off, (len >> 3)); + + netxen_nic_hw_block_write64((u64 __iomem *) data, addr, + (len >> 3)); + break; + } + + if (!ADDR_IN_WINDOW1(off)) + netxen_nic_pci_change_crbwindow(adapter, 1); + if (mem_ptr) + iounmap(mem_ptr); + return 0; +} + +int netxen_nic_hw_read_ioctl(struct netxen_adapter *adapter, u64 off, + void *data, int len) +{ + void *addr; + u64 offset; + u8 *mem_ptr = NULL; + unsigned long mem_base; + unsigned long mem_page; + + if (ADDR_IN_WINDOW1(off)) { + addr = NETXEN_CRB_NORMALIZE(adapter, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + offset = NETXEN_CRB_NORMAL(off); + mem_page = offset & PAGE_MASK; + if (mem_page != ((offset + len - 1) & PAGE_MASK)) + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) { + *(u8 *) data = 0; + return 1; + } + addr = mem_ptr; + addr += offset & (PAGE_SIZE - 1); + } + } else { + addr = pci_base_offset(adapter, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + mem_page = off & PAGE_MASK; + if (mem_page != ((off + len - 1) & PAGE_MASK)) + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = + ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) + return 1; + addr = mem_ptr; + addr += off & (PAGE_SIZE - 1); + } + netxen_nic_pci_change_crbwindow(adapter, 0); + } + switch (len) { + case 1: + *(u8 *) data = readb(addr); + break; + case 2: + *(u16 *) data = readw(addr); + break; + case 4: + *(u32 *) data = readl(addr); + break; + case 8: + *(u64 *) data = readq(addr); + break; + default: + netxen_nic_hw_block_read64((u64 __iomem *) data, addr, + (len >> 3)); + break; + } + if (!ADDR_IN_WINDOW1(off)) + netxen_nic_pci_change_crbwindow(adapter, 1); + if (mem_ptr) + iounmap(mem_ptr); + return 0; +} + +int netxen_nic_pci_mem_write_ioctl(struct netxen_adapter *adapter, u64 off, + void *data, int size) +{ + void *addr; + int ret = 0; + u8 *mem_ptr = NULL; + unsigned long mem_base; + unsigned long mem_page; + + if (data == NULL || off > (128 * 1024 * 1024)) { + printk(KERN_ERR "%s: data: %p off:%llx\n", + netxen_nic_driver_name, data, off); + return 1; + } + off = netxen_nic_pci_set_window(adapter, off); + /* Corner case : Malicious user tried to break the driver by reading + last few bytes in ranges and tries to read further addresses. + */ + if (!pci_base(adapter, off + size - 1) && pci_base(adapter, off)) { + printk(KERN_ERR "%s: Invalid access to memory address range" + " 0x%llx - 0x%llx\n", netxen_nic_driver_name, off, + off + size); + return 1; + } + addr = pci_base_offset(adapter, off); + DPRINTK(INFO, "writing data %llx to offset %llx\n", + *(unsigned long long *)data, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + mem_page = off & PAGE_MASK; + /* Map two pages whenever user tries to access addresses in two + consecutive pages. + */ + if (mem_page != ((off + size - 1) & PAGE_MASK)) + mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) { + return 1; + } + addr = mem_ptr; + addr += off & (PAGE_SIZE - 1); + } + switch (size) { + case 1: + writeb(*(u8 *) data, addr); + break; + case 2: + writew(*(u16 *) data, addr); + break; + case 4: + writel(*(u32 *) data, addr); + break; + case 8: + writeq(*(u64 *) data, addr); + break; + default: + DPRINTK(INFO, + "writing data %lx to offset %llx, num words=%d\n", + *(unsigned long *)data, off, (size >> 3)); + + netxen_nic_hw_block_write64((u64 __iomem *) data, addr, + (size >> 3)); + break; + } + + if (mem_ptr) + iounmap(mem_ptr); + DPRINTK(INFO, "wrote %llx\n", *(unsigned long long *)data); + + return ret; +} + +int netxen_nic_pci_mem_read_ioctl(struct netxen_adapter *adapter, + u64 off, void *data, int size) +{ + void *addr; + int ret = 0; + u8 *mem_ptr = NULL; + unsigned long mem_base; + unsigned long mem_page; + + if (data == NULL || off > (128 * 1024 * 1024)) { + printk(KERN_ERR "%s: data: %p off:%llx\n", + netxen_nic_driver_name, data, off); + return 1; + } + off = netxen_nic_pci_set_window(adapter, off); + /* Corner case : Malicious user tried to break the driver by reading + last few bytes in ranges and tries to read further addresses. + */ + if (!pci_base(adapter, off + size - 1) && pci_base(adapter, off)) { + printk(KERN_ERR "%s: Invalid access to memory address range" + " 0x%llx - 0x%llx\n", netxen_nic_driver_name, off, + off + size); + return 1; + } + addr = pci_base_offset(adapter, off); + if (!addr) { + mem_base = pci_resource_start(adapter->ahw.pdev, 0); + mem_page = off & PAGE_MASK; + /* Map two pages whenever user tries to access addresses in two + consecutive pages. + */ + if (mem_page != ((off + size - 1) & PAGE_MASK)) + mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2); + else + mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); + if (mem_ptr == 0UL) { + *(u8 *) data = 0; + return 1; + } + addr = mem_ptr; + addr += off & (PAGE_SIZE - 1); + } + switch (size) { + case 1: + *(u8 *) data = readb(addr); + break; + case 2: + *(u16 *) data = readw(addr); + break; + case 4: + *(u32 *) data = readl(addr); + break; + case 8: + *(u64 *) data = readq(addr); + break; + default: + netxen_nic_hw_block_read64((u64 __iomem *) data, addr, + (size >> 3)); + break; + } + + if (mem_ptr) + iounmap(mem_ptr); + DPRINTK(INFO, "read %llx\n", *(unsigned long long *)data); + + return ret; +} |