diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic_init.c')
-rw-r--r-- | drivers/net/netxen/netxen_nic_init.c | 400 |
1 files changed, 215 insertions, 185 deletions
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 5d3343e..91c2bc6 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -1,5 +1,6 @@ /* * Copyright (C) 2003 - 2009 NetXen, Inc. + * Copyright (C) 2009 - QLogic Corporation. * All rights reserved. * * This program is free software; you can redistribute it and/or @@ -20,19 +21,12 @@ * The full GNU General Public License is included in this distribution * in the file called LICENSE. * - * Contact Information: - * info@netxen.com - * NetXen Inc, - * 18922 Forge Drive - * Cupertino, CA 95014-0701 - * */ #include <linux/netdevice.h> #include <linux/delay.h> #include "netxen_nic.h" #include "netxen_nic_hw.h" -#include "netxen_nic_phan_reg.h" struct crb_addr_pair { u32 addr; @@ -247,9 +241,14 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter) rds_ring->skb_size = NX_CT_DEFAULT_RX_BUF_LEN; } else { - rds_ring->dma_size = RX_DMA_MAP_LEN; + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) + rds_ring->dma_size = + NX_P3_RX_BUF_MAX_LEN; + else + rds_ring->dma_size = + NX_P2_RX_BUF_MAX_LEN; rds_ring->skb_size = - MAX_RX_BUFFER_LENGTH; + rds_ring->dma_size + NET_IP_ALIGN; } break; @@ -261,14 +260,18 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter) else rds_ring->dma_size = NX_P2_RX_JUMBO_BUF_MAX_LEN; + + if (adapter->capabilities & NX_CAP0_HW_LRO) + rds_ring->dma_size += NX_LRO_BUFFER_EXTRA; + 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; + rds_ring->dma_size = NX_RX_LRO_BUFFER_LENGTH; + rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN; break; } @@ -315,48 +318,6 @@ err_out: return -ENOMEM; } -void netxen_initialize_adapter_ops(struct netxen_adapter *adapter) -{ - 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->set_mtu = netxen_nic_set_mtu_gb; - adapter->set_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->stop_port = netxen_niu_disable_gbe_port; - break; - - case NETXEN_NIC_XGBE: - adapter->enable_phy_interrupts = - netxen_niu_xgbe_enable_phy_interrupts; - adapter->disable_phy_interrupts = - netxen_niu_xgbe_disable_phy_interrupts; - 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->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. @@ -384,37 +345,7 @@ static u32 netxen_decode_crb_addr(u32 addr) return (pci_base + offset); } -static long rom_max_timeout = 100; -static long rom_lock_timeout = 10000; - -static int rom_lock(struct netxen_adapter *adapter) -{ - int iter; - u32 done = 0; - int timeout = 0; - - while (!done) { - /* acquire semaphore2 from PCI HW block */ - done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM2_LOCK)); - if (done == 1) - break; - if (timeout >= rom_lock_timeout) - return -EIO; - - timeout++; - /* - * Yield CPU - */ - if (!in_atomic()) - schedule(); - else { - for (iter = 0; iter < 20; iter++) - cpu_relax(); /*This a nop instr on i386 */ - } - } - NXWR32(adapter, NETXEN_ROM_LOCK_ID, ROM_LOCK_DRIVER); - return 0; -} +#define NETXEN_MAX_ROM_WAIT_USEC 100 static int netxen_wait_rom_done(struct netxen_adapter *adapter) { @@ -426,22 +357,16 @@ static int netxen_wait_rom_done(struct netxen_adapter *adapter) while (done == 0) { done = NXRD32(adapter, NETXEN_ROMUSB_GLB_STATUS); done &= 2; - timeout++; - if (timeout >= rom_max_timeout) { - printk("Timeout reached waiting for rom done"); + if (++timeout >= NETXEN_MAX_ROM_WAIT_USEC) { + dev_err(&adapter->pdev->dev, + "Timeout reached waiting for rom done"); return -EIO; } + udelay(1); } return 0; } -static void netxen_rom_unlock(struct netxen_adapter *adapter) -{ - /* release semaphore2 */ - NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK)); - -} - static int do_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp) { @@ -486,7 +411,7 @@ netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr, { int ret; - ret = rom_lock(adapter); + ret = netxen_rom_lock(adapter); if (ret < 0) return ret; @@ -500,7 +425,7 @@ int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp) { int ret; - if (rom_lock(adapter) != 0) + if (netxen_rom_lock(adapter) != 0) return -EIO; ret = do_rom_fast_read(adapter, addr, valp); @@ -521,7 +446,7 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) u32 off; /* resetall */ - rom_lock(adapter); + netxen_rom_lock(adapter); NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0xffffffff); netxen_rom_unlock(adapter); @@ -797,21 +722,28 @@ netxen_load_firmware(struct netxen_adapter *adapter) flashaddr += 8; } } else { - u32 data; + u64 data; + u32 hi, lo; - size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 4; + size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 8; flashaddr = NETXEN_BOOTLD_START; for (i = 0; i < size; i++) { if (netxen_rom_fast_read(adapter, - flashaddr, (int *)&data) != 0) + flashaddr, &lo) != 0) + return -EIO; + if (netxen_rom_fast_read(adapter, + flashaddr + 4, &hi) != 0) return -EIO; + /* hi, lo are already in host endian byteorder */ + data = (((u64)hi << 32) | lo); + if (adapter->pci_mem_write(adapter, - flashaddr, &data, 4)) + flashaddr, &data, 8)) return -EIO; - flashaddr += 4; + flashaddr += 8; } } msleep(1); @@ -880,22 +812,10 @@ netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname) return 0; } -void netxen_request_firmware(struct netxen_adapter *adapter) +static int +netxen_p3_has_mn(struct netxen_adapter *adapter) { u32 capability, flashed_ver; - u8 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, @@ -903,23 +823,35 @@ request_mn: 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; - } + if (capability & NX_PEG_TUNE_MN_PRESENT) + return 1; } + return 0; +} - fw_type = NX_FLASH_ROMIMAGE; - adapter->fw = NULL; - goto done; +void netxen_request_firmware(struct netxen_adapter *adapter) +{ + u8 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; + } + + fw_type = netxen_p3_has_mn(adapter) ? + NX_P3_MN_ROMIMAGE : NX_P3_CT_ROMIMAGE; request_fw: rc = request_firmware(&adapter->fw, fw_name[fw_type], &pdev->dev); if (rc != 0) { - if (fw_type == NX_P3_CT_ROMIMAGE) { + if (fw_type == NX_P3_MN_ROMIMAGE) { msleep(1); - goto request_mn; + fw_type = NX_P3_CT_ROMIMAGE; + goto request_fw; } fw_type = NX_FLASH_ROMIMAGE; @@ -931,9 +863,10 @@ request_fw: if (rc != 0) { release_firmware(adapter->fw); - if (fw_type == NX_P3_CT_ROMIMAGE) { + if (fw_type == NX_P3_MN_ROMIMAGE) { msleep(1); - goto request_mn; + fw_type = NX_P3_CT_ROMIMAGE; + goto request_fw; } fw_type = NX_FLASH_ROMIMAGE; @@ -951,21 +884,23 @@ netxen_release_firmware(struct netxen_adapter *adapter) { if (adapter->fw) release_firmware(adapter->fw); + adapter->fw = NULL; } -int netxen_initialize_adapter_offload(struct netxen_adapter *adapter) +int netxen_init_dummy_dma(struct netxen_adapter *adapter) { - uint64_t addr; - uint32_t hi; - uint32_t lo; + u64 addr; + u32 hi, lo; + + if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) + return 0; - adapter->dummy_dma.addr = - pci_alloc_consistent(adapter->pdev, + adapter->dummy_dma.addr = 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", - __func__); + dev_err(&adapter->pdev->dev, + "ERROR: Could not allocate dummy DMA memory\n"); return -ENOMEM; } @@ -976,29 +911,41 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter) 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) +/* + * NetXen DMA watchdog control: + * + * Bit 0 : enabled => R/O: 1 watchdog active, 0 inactive + * Bit 1 : disable_request => 1 req disable dma watchdog + * Bit 2 : enable_request => 1 req enable dma watchdog + * Bit 3-31 : unused + */ +void netxen_free_dummy_dma(struct netxen_adapter *adapter) { int i = 100; + u32 ctrl; + + if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) + return; if (!adapter->dummy_dma.addr) return; - if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { - do { - if (dma_watchdog_shutdown_request(adapter) == 1) - break; + ctrl = NXRD32(adapter, NETXEN_DMA_WATCHDOG_CTRL); + if ((ctrl & 0x1) != 0) { + NXWR32(adapter, NETXEN_DMA_WATCHDOG_CTRL, (ctrl | 0x2)); + + while ((ctrl & 0x1) != 0) { + msleep(50); - if (dma_watchdog_shutdown_poll_result(adapter) == 1) + + ctrl = NXRD32(adapter, NETXEN_DMA_WATCHDOG_CTRL); + + if (--i == 0) break; - } while (--i); + }; } if (i) { @@ -1007,10 +954,8 @@ void netxen_free_adapter_offload(struct netxen_adapter *adapter) 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); - } + } else + dev_err(&adapter->pdev->dev, "dma_watchdog_shutdown failed\n"); } int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val) @@ -1083,10 +1028,6 @@ int netxen_init_firmware(struct netxen_adapter *adapter) 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); - } - return err; } @@ -1222,20 +1163,31 @@ no_skb: 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 nx_host_sds_ring *sds_ring, + int ring, u64 sts_data0) { 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]; + struct nx_host_rds_ring *rds_ring; + int index, length, cksum, pkt_offset; - if (unlikely(index > rds_ring->num_desc)) + if (unlikely(ring >= adapter->max_rds_rings)) + return NULL; + + rds_ring = &recv_ctx->rds_rings[ring]; + + index = netxen_get_sts_refhandle(sts_data0); + if (unlikely(index >= rds_ring->num_desc)) return NULL; buffer = &rds_ring->rx_buf_arr[index]; + length = netxen_get_sts_totallength(sts_data0); + cksum = netxen_get_sts_status(sts_data0); + pkt_offset = netxen_get_sts_pkt_offset(sts_data0); + skb = netxen_process_rxbuf(adapter, rds_ring, index, cksum); if (!skb) return buffer; @@ -1249,11 +1201,88 @@ netxen_process_rcv(struct netxen_adapter *adapter, if (pkt_offset) skb_pull(skb, pkt_offset); + skb->truesize = skb->len + sizeof(struct sk_buff); skb->protocol = eth_type_trans(skb, netdev); napi_gro_receive(&sds_ring->napi, skb); - adapter->stats.no_rcv++; + adapter->stats.rx_pkts++; + adapter->stats.rxbytes += length; + + return buffer; +} + +#define TCP_HDR_SIZE 20 +#define TCP_TS_OPTION_SIZE 12 +#define TCP_TS_HDR_SIZE (TCP_HDR_SIZE + TCP_TS_OPTION_SIZE) + +static struct netxen_rx_buffer * +netxen_process_lro(struct netxen_adapter *adapter, + struct nx_host_sds_ring *sds_ring, + int ring, u64 sts_data0, u64 sts_data1) +{ + 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; + struct iphdr *iph; + struct tcphdr *th; + bool push, timestamp; + int l2_hdr_offset, l4_hdr_offset; + int index; + u16 lro_length, length, data_offset; + u32 seq_number; + + if (unlikely(ring > adapter->max_rds_rings)) + return NULL; + + rds_ring = &recv_ctx->rds_rings[ring]; + + index = netxen_get_lro_sts_refhandle(sts_data0); + if (unlikely(index > rds_ring->num_desc)) + return NULL; + + buffer = &rds_ring->rx_buf_arr[index]; + + timestamp = netxen_get_lro_sts_timestamp(sts_data0); + lro_length = netxen_get_lro_sts_length(sts_data0); + l2_hdr_offset = netxen_get_lro_sts_l2_hdr_offset(sts_data0); + l4_hdr_offset = netxen_get_lro_sts_l4_hdr_offset(sts_data0); + push = netxen_get_lro_sts_push_flag(sts_data0); + seq_number = netxen_get_lro_sts_seq_number(sts_data1); + + skb = netxen_process_rxbuf(adapter, rds_ring, index, STATUS_CKSUM_OK); + if (!skb) + return buffer; + + if (timestamp) + data_offset = l4_hdr_offset + TCP_TS_HDR_SIZE; + else + data_offset = l4_hdr_offset + TCP_HDR_SIZE; + + skb_put(skb, lro_length + data_offset); + + skb->truesize = skb->len + sizeof(struct sk_buff) + skb_headroom(skb); + + skb_pull(skb, l2_hdr_offset); + skb->protocol = eth_type_trans(skb, netdev); + + iph = (struct iphdr *)skb->data; + th = (struct tcphdr *)(skb->data + (iph->ihl << 2)); + + length = (iph->ihl << 2) + (th->doff << 2) + lro_length; + iph->tot_len = htons(length); + iph->check = 0; + iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl); + th->psh = push; + th->seq = htonl(seq_number); + + length = skb->len; + + netif_receive_skb(skb); + + adapter->stats.lro_pkts++; adapter->stats.rxbytes += length; return buffer; @@ -1275,27 +1304,33 @@ netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max) u32 consumer = sds_ring->consumer; int count = 0; - u64 sts_data; - int opcode, ring, index, length, cksum, pkt_offset, desc_cnt; + u64 sts_data0, sts_data1; + int opcode, ring = 0, desc_cnt; while (count < max) { desc = &sds_ring->desc_head[consumer]; - sts_data = le64_to_cpu(desc->status_desc_data[0]); + sts_data0 = le64_to_cpu(desc->status_desc_data[0]); - if (!(sts_data & STATUS_OWNER_HOST)) + if (!(sts_data0 & 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; + desc_cnt = netxen_get_sts_desc_cnt(sts_data0); - opcode = netxen_get_sts_opcode(sts_data); + opcode = netxen_get_sts_opcode(sts_data0); switch (opcode) { case NETXEN_NIC_RXPKT_DESC: case NETXEN_OLD_RXPKT_DESC: + case NETXEN_NIC_SYN_OFFLOAD: + ring = netxen_get_sts_type(sts_data0); + rxbuf = netxen_process_rcv(adapter, sds_ring, + ring, sts_data0); + break; + case NETXEN_NIC_LRO_DESC: + ring = netxen_get_lro_sts_type(sts_data0); + sts_data1 = le64_to_cpu(desc->status_desc_data[1]); + rxbuf = netxen_process_lro(adapter, sds_ring, + ring, sts_data0, sts_data1); break; case NETXEN_NIC_RESPONSE_DESC: netxen_handle_fw_message(desc_cnt, consumer, sds_ring); @@ -1305,14 +1340,6 @@ netxen_process_rcv_ring(struct nx_host_sds_ring *sds_ring, int max) 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]); @@ -1347,7 +1374,7 @@ skip: if (count) { sds_ring->consumer = consumer; - NXWR32(adapter, sds_ring->crb_sts_consumer, consumer); + NXWRIO(adapter, sds_ring->crb_sts_consumer, consumer); } return count; @@ -1402,8 +1429,10 @@ int netxen_process_cmd_ring(struct netxen_adapter *adapter) if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev)) { __netif_tx_lock(tx_ring->txq, smp_processor_id()); - if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH) + if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH) { netif_wake_queue(netdev); + adapter->tx_timeo_cnt = 0; + } __netif_tx_unlock(tx_ring->txq); } } @@ -1465,10 +1494,10 @@ netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid, if (count) { rds_ring->producer = producer; - NXWR32(adapter, rds_ring->crb_rcv_producer, + NXWRIO(adapter, rds_ring->crb_rcv_producer, (producer-1) & (rds_ring->num_desc-1)); - if (adapter->fw_major < 4) { + if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { /* * Write a doorbell msg to tell phanmon of change in * receive ring producer @@ -1481,9 +1510,10 @@ netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid, (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, + read_lock(&adapter->adapter_lock); + writel(msg, DB_NORMALIZE(adapter, NETXEN_RCV_PRODUCER_OFFSET)); + read_unlock(&adapter->adapter_lock); } } } @@ -1525,7 +1555,7 @@ netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, if (count) { rds_ring->producer = producer; - NXWR32(adapter, rds_ring->crb_rcv_producer, + NXWRIO(adapter, rds_ring->crb_rcv_producer, (producer - 1) & (rds_ring->num_desc - 1)); } spin_unlock(&rds_ring->lock); |