diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-26 15:09:20 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-26 15:09:20 -0800 |
commit | 924d26df6b774b85c8b4548189b20e34f904a149 (patch) | |
tree | 59e0810a0149a1f8f1d15613c50e4896993310d8 /drivers | |
parent | 66673f13c10a817e27d71434c1198a4d874e0cd3 (diff) | |
parent | cd1f55a5b49b74e13ed9e7bc74d005803aaa0da8 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (92 commits)
gianfar: Revive VLAN support
vlan: Export symbols as non GPL symbols.
bnx2x: tx_has_work should not wait for FW
netxen: reduce memory footprint
netxen: fix vlan tso/checksum offload
net: Fix linux/if_frad.h's suitability for userspace.
net: Move config NET_NS to from net/Kconfig to init/Kconfig
isdn: Fix missing ifdef in isdn_ppp
networking: document "nc" in addition to "netcat" in netconsole.txt
e1000e: workaround hw errata
af_key: initialize xfrm encap_oa
virtio_net: Fix MAX_PACKET_LEN to support 802.1Q VLANs
lcs: fix compilation for !CONFIG_IP_MULTICAST
rtl8187: Add termination packet to prevent stall
iwlwifi: fix rs_get_rate WARN_ON()
p54usb: fix packet loss with first generation devices
sctp: Fix another socket race during accept/peeloff
sctp: Properly timestamp outgoing data chunks for rtx purposes
sctp: Correctly start rtx timer on new packet transmissions.
sctp: Fix crc32c calculations on big-endian arhes.
...
Diffstat (limited to 'drivers')
44 files changed, 577 insertions, 375 deletions
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c index a3551dd0324..aa30b5cb351 100644 --- a/drivers/isdn/i4l/isdn_ppp.c +++ b/drivers/isdn/i4l/isdn_ppp.c @@ -431,6 +431,7 @@ set_arg(void __user *b, void *val,int len) return 0; } +#ifdef CONFIG_IPPP_FILTER static int get_filter(void __user *arg, struct sock_filter **p) { struct sock_fprog uprog; @@ -465,6 +466,7 @@ static int get_filter(void __user *arg, struct sock_filter **p) *p = code; return uprog.len; } +#endif /* CONFIG_IPPP_FILTER */ /* * ippp device ioctl diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index 6fcccef4cf3..15a5cf0f676 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -1,6 +1,6 @@ /* bnx2x.h: Broadcom Everest network driver. * - * Copyright (c) 2007-2008 Broadcom Corporation + * Copyright (c) 2007-2009 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -271,14 +271,7 @@ struct bnx2x_fastpath { #define bnx2x_fp(bp, nr, var) (bp->fp[nr].var) -#define BNX2X_HAS_TX_WORK(fp) \ - ((fp->tx_pkt_prod != le16_to_cpu(*fp->tx_cons_sb)) || \ - (fp->tx_pkt_prod != fp->tx_pkt_cons)) - -#define BNX2X_HAS_RX_WORK(fp) \ - (fp->rx_comp_cons != rx_cons_sb) - -#define BNX2X_HAS_WORK(fp) (BNX2X_HAS_RX_WORK(fp) || BNX2X_HAS_TX_WORK(fp)) +#define BNX2X_HAS_WORK(fp) (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)) /* MC hsi */ diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c index fefa6ab1306..aea26b4dc45 100644 --- a/drivers/net/bnx2x_link.c +++ b/drivers/net/bnx2x_link.c @@ -1,4 +1,4 @@ -/* Copyright 2008 Broadcom Corporation +/* Copyright 2008-2009 Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you @@ -317,6 +317,9 @@ static u8 bnx2x_emac_enable(struct link_params *params, val &= ~0x810; EMAC_WR(bp, EMAC_REG_EMAC_MODE, val); + /* enable emac */ + REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1); + /* enable emac for jumbo packets */ EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE, (EMAC_RX_MTU_SIZE_JUMBO_ENA | @@ -1609,7 +1612,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, u32 gp_status) { struct bnx2x *bp = params->bp; - + u16 new_line_speed; u8 rc = 0; vars->link_status = 0; @@ -1629,7 +1632,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, switch (gp_status & GP_STATUS_SPEED_MASK) { case GP_STATUS_10M: - vars->line_speed = SPEED_10; + new_line_speed = SPEED_10; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_10TFD; else @@ -1637,7 +1640,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, break; case GP_STATUS_100M: - vars->line_speed = SPEED_100; + new_line_speed = SPEED_100; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_100TXFD; else @@ -1646,7 +1649,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, case GP_STATUS_1G: case GP_STATUS_1G_KX: - vars->line_speed = SPEED_1000; + new_line_speed = SPEED_1000; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_1000TFD; else @@ -1654,7 +1657,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, break; case GP_STATUS_2_5G: - vars->line_speed = SPEED_2500; + new_line_speed = SPEED_2500; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_2500TFD; else @@ -1671,32 +1674,32 @@ static u8 bnx2x_link_settings_status(struct link_params *params, case GP_STATUS_10G_KX4: case GP_STATUS_10G_HIG: case GP_STATUS_10G_CX4: - vars->line_speed = SPEED_10000; + new_line_speed = SPEED_10000; vars->link_status |= LINK_10GTFD; break; case GP_STATUS_12G_HIG: - vars->line_speed = SPEED_12000; + new_line_speed = SPEED_12000; vars->link_status |= LINK_12GTFD; break; case GP_STATUS_12_5G: - vars->line_speed = SPEED_12500; + new_line_speed = SPEED_12500; vars->link_status |= LINK_12_5GTFD; break; case GP_STATUS_13G: - vars->line_speed = SPEED_13000; + new_line_speed = SPEED_13000; vars->link_status |= LINK_13GTFD; break; case GP_STATUS_15G: - vars->line_speed = SPEED_15000; + new_line_speed = SPEED_15000; vars->link_status |= LINK_15GTFD; break; case GP_STATUS_16G: - vars->line_speed = SPEED_16000; + new_line_speed = SPEED_16000; vars->link_status |= LINK_16GTFD; break; @@ -1708,6 +1711,15 @@ static u8 bnx2x_link_settings_status(struct link_params *params, break; } + /* Upon link speed change set the NIG into drain mode. + Comes to deals with possible FIFO glitch due to clk change + when speed is decreased without link down indicator */ + if (new_line_speed != vars->line_speed) { + REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + + params->port*4, 0); + msleep(1); + } + vars->line_speed = new_line_speed; vars->link_status |= LINK_STATUS_SERDES_LINK; if ((params->req_line_speed == SPEED_AUTO_NEG) && @@ -3571,7 +3583,7 @@ static void bnx2x_set_xgxs_loopback(struct link_params *params, (MDIO_REG_BANK_CL73_IEEEB0 + (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)), 0x6041); - + msleep(200); /* set aer mmd back */ bnx2x_set_aer_mmd(params, vars); @@ -3870,9 +3882,15 @@ static u8 bnx2x_link_initialize(struct link_params *params, } if (vars->phy_flags & PHY_XGXS_FLAG) { - if (params->req_line_speed && + if ((params->req_line_speed && ((params->req_line_speed == SPEED_100) || - (params->req_line_speed == SPEED_10))) { + (params->req_line_speed == SPEED_10))) || + (!params->req_line_speed && + (params->speed_cap_mask >= + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && + (params->speed_cap_mask < + PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) + )) { vars->phy_flags |= PHY_SGMII_FLAG; } else { vars->phy_flags &= ~PHY_SGMII_FLAG; @@ -4194,6 +4212,11 @@ static u8 bnx2x_update_link_down(struct link_params *params, /* activate nig drain */ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); + /* disable emac */ + REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); + + msleep(10); + /* reset BigMac */ bnx2x_bmac_rx_disable(bp, params->port); REG_WR(bp, GRCBASE_MISC + @@ -4238,6 +4261,7 @@ static u8 bnx2x_update_link_up(struct link_params *params, /* update shared memory */ bnx2x_update_mng(params, vars->link_status); + msleep(20); return rc; } /* This function should called upon link interrupt */ @@ -4276,6 +4300,9 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); + /* disable emac */ + REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); + ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); /* Check external link change only for non-direct */ @@ -4377,10 +4404,11 @@ static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, u32 shmem_base) ext_phy_addr[port], MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &fw_ver1); - if (fw_ver1 == 0) { + if (fw_ver1 == 0 || fw_ver1 == 0x4321) { DP(NETIF_MSG_LINK, - "bnx2x_8073_common_init_phy port %x " - "fw Download failed\n", port); + "bnx2x_8073_common_init_phy port %x:" + "Download failed. fw version = 0x%x\n", + port, fw_ver1); return -EINVAL; } diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index 7c533797c06..d3e7775a9cc 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -1,6 +1,6 @@ /* bnx2x_main.c: Broadcom Everest network driver. * - * Copyright (c) 2007-2008 Broadcom Corporation + * Copyright (c) 2007-2009 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -57,8 +57,8 @@ #include "bnx2x.h" #include "bnx2x_init.h" -#define DRV_MODULE_VERSION "1.45.23" -#define DRV_MODULE_RELDATE "2008/11/03" +#define DRV_MODULE_VERSION "1.45.26" +#define DRV_MODULE_RELDATE "2009/01/26" #define BNX2X_BC_VER 0x040200 /* Time in jiffies before concluding the transmitter is hung */ @@ -69,7 +69,7 @@ static char version[] __devinitdata = DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; MODULE_AUTHOR("Eliezer Tamir"); -MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver"); +MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710/57711/57711E Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); @@ -733,6 +733,24 @@ static u16 bnx2x_ack_int(struct bnx2x *bp) * fast path service functions */ +static inline int bnx2x_has_tx_work(struct bnx2x_fastpath *fp) +{ + u16 tx_cons_sb; + + /* Tell compiler that status block fields can change */ + barrier(); + tx_cons_sb = le16_to_cpu(*fp->tx_cons_sb); + return (fp->tx_pkt_cons != tx_cons_sb); +} + +static inline int bnx2x_has_tx_work_unload(struct bnx2x_fastpath *fp) +{ + /* Tell compiler that consumer and producer can change */ + barrier(); + return (fp->tx_pkt_prod != fp->tx_pkt_cons); + +} + /* free skb in the packet ring at pos idx * return idx of last bd freed */ @@ -5137,12 +5155,21 @@ static void enable_blocks_attention(struct bnx2x *bp) } +static void bnx2x_reset_common(struct bnx2x *bp) +{ + /* reset_common */ + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, + 0xd3ffff7f); + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403); +} + static int bnx2x_init_common(struct bnx2x *bp) { u32 val, i; DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp)); + bnx2x_reset_common(bp); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc); @@ -6123,8 +6150,8 @@ static void bnx2x_netif_start(struct bnx2x *bp) static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw) { bnx2x_int_disable_sync(bp, disable_hw); + bnx2x_napi_disable(bp); if (netif_running(bp->dev)) { - bnx2x_napi_disable(bp); netif_tx_disable(bp->dev); bp->dev->trans_start = jiffies; /* prevent tx timeout */ } @@ -6144,7 +6171,7 @@ static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set) * multicast 64-127:port0 128-191:port1 */ config->hdr.length_6b = 2; - config->hdr.offset = port ? 31 : 0; + config->hdr.offset = port ? 32 : 0; config->hdr.client_id = BP_CL_ID(bp); config->hdr.reserved1 = 0; @@ -6308,7 +6335,7 @@ static void bnx2x_set_rx_mode(struct net_device *dev); static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) { u32 load_code; - int i, rc; + int i, rc = 0; #ifdef BNX2X_STOP_ON_ERROR if (unlikely(bp->panic)) return -EPERM; @@ -6316,48 +6343,6 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD; - /* Send LOAD_REQUEST command to MCP - Returns the type of LOAD command: - if it is the first port to be initialized - common blocks should be initialized, otherwise - not - */ - if (!BP_NOMCP(bp)) { - load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); - if (!load_code) { - BNX2X_ERR("MCP response failure, aborting\n"); - return -EBUSY; - } - if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) - return -EBUSY; /* other port in diagnostic mode */ - - } else { - int port = BP_PORT(bp); - - DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n", - load_count[0], load_count[1], load_count[2]); - load_count[0]++; - load_count[1 + port]++; - DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n", - load_count[0], load_count[1], load_count[2]); - if (load_count[0] == 1) - load_code = FW_MSG_CODE_DRV_LOAD_COMMON; - else if (load_count[1 + port] == 1) - load_code = FW_MSG_CODE_DRV_LOAD_PORT; - else - load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION; - } - - if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) || - (load_code == FW_MSG_CODE_DRV_LOAD_PORT)) - bp->port.pmf = 1; - else - bp->port.pmf = 0; - DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf); - - /* if we can't use MSI-X we only need one fp, - * so try to enable MSI-X with the requested number of fp's - * and fallback to inta with one fp - */ if (use_inta) { bp->num_queues = 1; @@ -6372,7 +6357,15 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) else bp->num_queues = 1; - if (bnx2x_enable_msix(bp)) { + DP(NETIF_MSG_IFUP, + "set number of queues to %d\n", bp->num_queues); + + /* if we can't use MSI-X we only need one fp, + * so try to enable MSI-X with the requested number of fp's + * and fallback to MSI or legacy INTx with one fp + */ + rc = bnx2x_enable_msix(bp); + if (rc) { /* failed to enable MSI-X */ bp->num_queues = 1; if (use_multi) @@ -6380,8 +6373,6 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) " to enable MSI-X\n"); } } - DP(NETIF_MSG_IFUP, - "set number of queues to %d\n", bp->num_queues); if (bnx2x_alloc_mem(bp)) return -ENOMEM; @@ -6390,30 +6381,85 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) bnx2x_fp(bp, i, disable_tpa) = ((bp->flags & TPA_ENABLE_FLAG) == 0); + for_each_queue(bp, i) + netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), + bnx2x_poll, 128); + +#ifdef BNX2X_STOP_ON_ERROR + for_each_queue(bp, i) { + struct bnx2x_fastpath *fp = &bp->fp[i]; + + fp->poll_no_work = 0; + fp->poll_calls = 0; + fp->poll_max_calls = 0; + fp->poll_complete = 0; + fp->poll_exit = 0; + } +#endif + bnx2x_napi_enable(bp); + if (bp->flags & USING_MSIX_FLAG) { rc = bnx2x_req_msix_irqs(bp); if (rc) { pci_disable_msix(bp->pdev); - goto load_error; + goto load_error1; } + printk(KERN_INFO PFX "%s: using MSI-X\n", bp->dev->name); } else { bnx2x_ack_int(bp); rc = bnx2x_req_irq(bp); if (rc) { - BNX2X_ERR("IRQ request failed, aborting\n"); - goto load_error; + BNX2X_ERR("IRQ request failed rc %d, aborting\n", rc); + goto load_error1; } } - for_each_queue(bp, i) - netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), - bnx2x_poll, 128); + /* Send LOAD_REQUEST command to MCP + Returns the type of LOAD command: + if it is the first port to be initialized + common blocks should be initialized, otherwise - not + */ + if (!BP_NOMCP(bp)) { + load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); + if (!load_code) { + BNX2X_ERR("MCP response failure, aborting\n"); + rc = -EBUSY; + goto load_error2; + } + if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) { + rc = -EBUSY; /* other port in diagnostic mode */ + goto load_error2; + } + + } else { + int port = BP_PORT(bp); + + DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n", + load_count[0], load_count[1], load_count[2]); + load_count[0]++; + load_count[1 + port]++; + DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n", + load_count[0], load_count[1], load_count[2]); + if (load_count[0] == 1) + load_code = FW_MSG_CODE_DRV_LOAD_COMMON; + else if (load_count[1 + port] == 1) + load_code = FW_MSG_CODE_DRV_LOAD_PORT; + else + load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION; + } + + if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) || + (load_code == FW_MSG_CODE_DRV_LOAD_PORT)) + bp->port.pmf = 1; + else + bp->port.pmf = 0; + DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf); /* Initialize HW */ rc = bnx2x_init_hw(bp, load_code); if (rc) { BNX2X_ERR("HW init failed, aborting\n"); - goto load_int_disable; + goto load_error2; } /* Setup NIC internals and enable interrupts */ @@ -6425,7 +6471,7 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) if (!load_code) { BNX2X_ERR("MCP response failure, aborting\n"); rc = -EBUSY; - goto load_rings_free; + goto load_error3; } } @@ -6434,7 +6480,7 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) rc = bnx2x_setup_leading(bp); if (rc) { BNX2X_ERR("Setup leading failed!\n"); - goto load_netif_stop; + goto load_error3; } if (CHIP_IS_E1H(bp)) @@ -6447,7 +6493,7 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) for_each_nondefault_queue(bp, i) { rc = bnx2x_setup_multi(bp, i); if (rc) - goto load_netif_stop; + goto load_error3; } if (CHIP_IS_E1(bp)) @@ -6463,18 +6509,18 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) case LOAD_NORMAL: /* Tx queue should be only reenabled */ netif_wake_queue(bp->dev); + /* Initialize the receive filter. */ bnx2x_set_rx_mode(bp->dev); break; case LOAD_OPEN: netif_start_queue(bp->dev); + /* Initialize the receive filter. */ bnx2x_set_rx_mode(bp->dev); - if (bp->flags & USING_MSIX_FLAG) - printk(KERN_INFO PFX "%s: using MSI-X\n", - bp->dev->name); break; case LOAD_DIAG: + /* Initialize the receive filter. */ bnx2x_set_rx_mode(bp->dev); bp->state = BNX2X_STATE_DIAG; break; @@ -6492,20 +6538,25 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) return 0; -load_netif_stop: - bnx2x_napi_disable(bp); -load_rings_free: +load_error3: + bnx2x_int_disable_sync(bp, 1); + if (!BP_NOMCP(bp)) { + bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP); + bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); + } + bp->port.pmf = 0; /* Free SKBs, SGEs, TPA pool and driver internals */ bnx2x_free_skbs(bp); for_each_queue(bp, i) bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); -load_int_disable: - bnx2x_int_disable_sync(bp, 1); +load_error2: /* Release IRQs */ bnx2x_free_irq(bp); -load_error: +load_error1: + bnx2x_napi_disable(bp); + for_each_queue(bp, i) + netif_napi_del(&bnx2x_fp(bp, i, napi)); bnx2x_free_mem(bp); - bp->port.pmf = 0; /* TBD we really need to reset the chip if we want to recover from this */ @@ -6578,6 +6629,7 @@ static int bnx2x_stop_leading(struct bnx2x *bp) } cnt--; msleep(1); + rmb(); /* Refresh the dsb_sp_prod */ } bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD; bp->fp[0].state = BNX2X_FP_STATE_CLOSED; @@ -6629,14 +6681,6 @@ static void bnx2x_reset_port(struct bnx2x *bp) /* TODO: Close Doorbell port? */ } -static void bnx2x_reset_common(struct bnx2x *bp) -{ - /* reset_common */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, - 0xd3ffff7f); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403); -} - static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code) { DP(BNX2X_MSG_MCP, "function %d reset_code %x\n", @@ -6677,20 +6721,22 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode) bnx2x_set_storm_rx_mode(bp); bnx2x_netif_stop(bp, 1); - if (!netif_running(bp->dev)) - bnx2x_napi_disable(bp); + del_timer_sync(&bp->timer); SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb, (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq)); bnx2x_stats_handle(bp, STATS_EVENT_STOP); + /* Release IRQs */ + bnx2x_free_irq(bp); + /* Wait until tx fast path tasks complete */ for_each_queue(bp, i) { struct bnx2x_fastpath *fp = &bp->fp[i]; cnt = 1000; smp_rmb(); - while (BNX2X_HAS_TX_WORK(fp)) { + while (bnx2x_has_tx_work_unload(fp)) { bnx2x_tx_int(fp, 1000); if (!cnt) { @@ -6711,9 +6757,6 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode) /* Give HW time to discard old tx messages */ msleep(1); - /* Release IRQs */ - bnx2x_free_irq(bp); - if (CHIP_IS_E1(bp)) { struct mac_configuration_cmd *config = bnx2x_sp(bp, mcast_config); @@ -6822,6 +6865,8 @@ unload_error: bnx2x_free_skbs(bp); for_each_queue(bp, i) bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); + for_each_queue(bp, i) + netif_napi_del(&bnx2x_fp(bp, i, napi)); bnx2x_free_mem(bp); bp->state = BNX2X_STATE_CLOSED; @@ -6874,10 +6919,6 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) */ bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); val = REG_RD(bp, DORQ_REG_NORM_CID_OFST); - if (val == 0x7) - REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0); - bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); - if (val == 0x7) { u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; /* save our func */ @@ -6885,6 +6926,9 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) u32 swap_en; u32 swap_val; + /* clear the UNDI indication */ + REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0); + BNX2X_DEV_INFO("UNDI is active! reset device\n"); /* try unload UNDI on port 0 */ @@ -6910,6 +6954,9 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) bnx2x_fw_command(bp, reset_code); } + /* now it's safe to release the lock */ + bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); + REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0), 0x1000); @@ -6954,7 +7001,9 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) bp->fw_seq = (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) & DRV_MSG_SEQ_NUMBER_MASK); - } + + } else + bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); } } @@ -6971,7 +7020,7 @@ static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) id |= ((val & 0xf) << 12); val = REG_RD(bp, MISC_REG_CHIP_METAL); id |= ((val & 0xff) << 4); - REG_RD(bp, MISC_REG_BOND_ID); + val = REG_RD(bp, MISC_REG_BOND_ID); id |= (val & 0xf); bp->common.chip_id = id; bp->link_params.chip_id = bp->common.chip_id; @@ -8103,6 +8152,9 @@ static int bnx2x_get_eeprom(struct net_device *dev, struct bnx2x *bp = netdev_priv(dev); int rc; + if (!netif_running(dev)) + return -EAGAIN; + DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, @@ -8705,18 +8757,17 @@ static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up) |