diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 2571a62d923e..8b72c88ba213 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -1126,10 +1126,10 @@ regen_max_retry - INTEGER Default: 5 max_addresses - INTEGER - Number of maximum addresses per interface. 0 disables limitation. - It is recommended not set too large value (or 0) because it would - be too easy way to crash kernel to allow to create too much of - autoconfigured addresses. + Maximum number of autoconfigured addresses per interface. Setting + to zero disables the limitation. It is not recommended to set this + value too large (or to zero) because it would be an easy way to + crash the kernel by allowing too many addresses to be created. Default: 16 disable_ipv6 - BOOLEAN diff --git a/MAINTAINERS b/MAINTAINERS index 9b0557a42a9a..2a479c7005b8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3495,9 +3495,9 @@ S: Maintained F: drivers/net/wireless/libertas/ MARVELL MV643XX ETHERNET DRIVER -M: Lennert Buytenhek +M: Lennert Buytenhek L: netdev@vger.kernel.org -S: Supported +S: Maintained F: drivers/net/mv643xx_eth.* F: include/linux/mv643xx.h diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 319c2b5281e9..8be6faee43e6 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -4005,11 +4005,21 @@ check_page: } } - if (!buffer_info->dma) + if (!buffer_info->dma) { buffer_info->dma = pci_map_page(pdev, buffer_info->page, 0, buffer_info->length, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(pdev, buffer_info->dma)) { + put_page(buffer_info->page); + dev_kfree_skb(skb); + buffer_info->page = NULL; + buffer_info->skb = NULL; + buffer_info->dma = 0; + adapter->alloc_rx_buff_failed++; + break; /* while !buffer_info->skb */ + } + } rx_desc = E1000_RX_DESC(*rx_ring, i); rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma); @@ -4100,6 +4110,13 @@ map_skb: skb->data, buffer_info->length, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(pdev, buffer_info->dma)) { + dev_kfree_skb(skb); + buffer_info->skb = NULL; + buffer_info->dma = 0; + adapter->alloc_rx_buff_failed++; + break; /* while !buffer_info->skb */ + } /* * XXX if it was allocated cleanly it will never map to a diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c index bf0b96af5334..5712fddd72f2 100644 --- a/drivers/net/sfc/falcon_boards.c +++ b/drivers/net/sfc/falcon_boards.c @@ -29,6 +29,15 @@ #define FALCON_BOARD_SFN4111T 0x51 #define FALCON_BOARD_SFN4112F 0x52 +/* Board temperature is about 15°C above ambient when air flow is + * limited. */ +#define FALCON_BOARD_TEMP_BIAS 15 + +/* SFC4000 datasheet says: 'The maximum permitted junction temperature + * is 125°C; the thermal design of the environment for the SFC4000 + * should aim to keep this well below 100°C.' */ +#define FALCON_JUNC_TEMP_MAX 90 + /***************************************************************************** * Support for LM87 sensor chip used on several boards */ @@ -548,16 +557,16 @@ fail_hwmon: static u8 sfe4002_lm87_channel = 0x03; /* use AIN not FAN inputs */ static const u8 sfe4002_lm87_regs[] = { - LM87_IN_LIMITS(0, 0x83, 0x91), /* 2.5V: 1.8V +/- 5% */ - LM87_IN_LIMITS(1, 0x51, 0x5a), /* Vccp1: 1.2V +/- 5% */ - LM87_IN_LIMITS(2, 0xb6, 0xca), /* 3.3V: 3.3V +/- 5% */ - LM87_IN_LIMITS(3, 0xb0, 0xc9), /* 5V: 4.6-5.2V */ - LM87_IN_LIMITS(4, 0xb0, 0xe0), /* 12V: 11-14V */ - LM87_IN_LIMITS(5, 0x44, 0x4b), /* Vccp2: 1.0V +/- 5% */ - LM87_AIN_LIMITS(0, 0xa0, 0xb2), /* AIN1: 1.66V +/- 5% */ - LM87_AIN_LIMITS(1, 0x91, 0xa1), /* AIN2: 1.5V +/- 5% */ - LM87_TEMP_INT_LIMITS(10, 60), /* board */ - LM87_TEMP_EXT1_LIMITS(10, 70), /* Falcon */ + LM87_IN_LIMITS(0, 0x7c, 0x99), /* 2.5V: 1.8V +/- 10% */ + LM87_IN_LIMITS(1, 0x4c, 0x5e), /* Vccp1: 1.2V +/- 10% */ + LM87_IN_LIMITS(2, 0xac, 0xd4), /* 3.3V: 3.3V +/- 10% */ + LM87_IN_LIMITS(3, 0xac, 0xd4), /* 5V: 5.0V +/- 10% */ + LM87_IN_LIMITS(4, 0xac, 0xe0), /* 12V: 10.8-14V */ + LM87_IN_LIMITS(5, 0x3f, 0x4f), /* Vccp2: 1.0V +/- 10% */ + LM87_AIN_LIMITS(0, 0x98, 0xbb), /* AIN1: 1.66V +/- 10% */ + LM87_AIN_LIMITS(1, 0x8a, 0xa9), /* AIN2: 1.5V +/- 10% */ + LM87_TEMP_INT_LIMITS(0, 80 + FALCON_BOARD_TEMP_BIAS), + LM87_TEMP_EXT1_LIMITS(0, FALCON_JUNC_TEMP_MAX), 0 }; @@ -619,14 +628,14 @@ static int sfe4002_init(struct efx_nic *efx) static u8 sfn4112f_lm87_channel = 0x03; /* use AIN not FAN inputs */ static const u8 sfn4112f_lm87_regs[] = { - LM87_IN_LIMITS(0, 0x83, 0x91), /* 2.5V: 1.8V +/- 5% */ - LM87_IN_LIMITS(1, 0x51, 0x5a), /* Vccp1: 1.2V +/- 5% */ - LM87_IN_LIMITS(2, 0xb6, 0xca), /* 3.3V: 3.3V +/- 5% */ - LM87_IN_LIMITS(4, 0xb0, 0xe0), /* 12V: 11-14V */ - LM87_IN_LIMITS(5, 0x44, 0x4b), /* Vccp2: 1.0V +/- 5% */ - LM87_AIN_LIMITS(1, 0x91, 0xa1), /* AIN2: 1.5V +/- 5% */ - LM87_TEMP_INT_LIMITS(10, 60), /* board */ - LM87_TEMP_EXT1_LIMITS(10, 70), /* Falcon */ + LM87_IN_LIMITS(0, 0x7c, 0x99), /* 2.5V: 1.8V +/- 10% */ + LM87_IN_LIMITS(1, 0x4c, 0x5e), /* Vccp1: 1.2V +/- 10% */ + LM87_IN_LIMITS(2, 0xac, 0xd4), /* 3.3V: 3.3V +/- 10% */ + LM87_IN_LIMITS(4, 0xac, 0xe0), /* 12V: 10.8-14V */ + LM87_IN_LIMITS(5, 0x3f, 0x4f), /* Vccp2: 1.0V +/- 10% */ + LM87_AIN_LIMITS(1, 0x8a, 0xa9), /* AIN2: 1.5V +/- 10% */ + LM87_TEMP_INT_LIMITS(0, 60 + FALCON_BOARD_TEMP_BIAS), + LM87_TEMP_EXT1_LIMITS(0, FALCON_JUNC_TEMP_MAX), 0 }; diff --git a/drivers/net/sfc/mcdi.c b/drivers/net/sfc/mcdi.c index 86610db2cff5..c48669c77414 100644 --- a/drivers/net/sfc/mcdi.c +++ b/drivers/net/sfc/mcdi.c @@ -127,7 +127,7 @@ static int efx_mcdi_poll(struct efx_nic *efx) efx_dword_t reg; /* Check for a reboot atomically with respect to efx_mcdi_copyout() */ - rc = efx_mcdi_poll_reboot(efx); + rc = -efx_mcdi_poll_reboot(efx); if (rc) goto out; diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c index d838d4015c63..a2c635ecdab8 100644 --- a/drivers/net/tc35815.c +++ b/drivers/net/tc35815.c @@ -1437,7 +1437,6 @@ static int tc35815_do_interrupt(struct net_device *dev, u32 status, int limit) /* Transmit complete. */ lp->lstats.tx_ints++; tc35815_txdone(dev); - netif_wake_queue(dev); if (ret < 0) ret = 0; } diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 3486e8ca039a..c8cdb7f30adc 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -581,6 +581,11 @@ static const struct usb_device_id products [] = { USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1049, USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), .driver_info = (unsigned long) &mbm_info, +}, { + /* Ericsson C3607w ver 2 */ + USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x190b, USB_CLASS_COMM, + USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long) &mbm_info, }, { /* Toshiba F3507g */ USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x130b, USB_CLASS_COMM, diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index aebe8c51d3e1..b07874f7da7f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -2008,7 +2008,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv, IWL_DEBUG_TX_REPLY(priv, "Retry scheduler reclaim scd_ssn " "%d index %d\n", scd_ssn , index); freed = iwl_tx_queue_reclaim(priv, txq_id, index); - priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; + iwl_free_tfds_in_queue(priv, sta_id, tid, freed); if (priv->mac80211_registered && (iwl_queue_space(&txq->q) > txq->q.low_mark) && diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index f3d662c8cbcf..2cf92a51f041 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -1116,7 +1116,7 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv, scd_ssn , index, txq_id, txq->swq_id); freed = iwl_tx_queue_reclaim(priv, txq_id, index); - priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; + iwl_free_tfds_in_queue(priv, sta_id, tid, freed); if (priv->mac80211_registered && (iwl_queue_space(&txq->q) > txq->q.low_mark) && @@ -1144,16 +1144,14 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv, tx_resp->failure_frame); freed = iwl_tx_queue_reclaim(priv, txq_id, index); - if (ieee80211_is_data_qos(tx_resp->frame_ctrl)) - priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; + iwl_free_tfds_in_queue(priv, sta_id, tid, freed); if (priv->mac80211_registered && (iwl_queue_space(&txq->q) > txq->q.low_mark)) iwl_wake_queue(priv, txq_id); } - if (ieee80211_is_data_qos(tx_resp->frame_ctrl)) - iwl_txq_check_empty(priv, sta_id, tid, txq_id); + iwl_txq_check_empty(priv, sta_id, tid, txq_id); if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK)) IWL_ERR(priv, "TODO: Implement Tx ABORT REQUIRED!!!\n"); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index d390eef2efe5..728410083cb8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -2787,8 +2787,8 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) if ((le16_to_cpu(priv->staging_rxon.channel) != ch)) priv->staging_rxon.flags = 0; - iwl_set_rxon_ht(priv, ht_conf); iwl_set_rxon_channel(priv, conf->channel); + iwl_set_rxon_ht(priv, ht_conf); iwl_set_flags_for_band(priv, conf->channel->band); spin_unlock_irqrestore(&priv->lock, flags); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 8f0c564e68b0..1b0701b876c3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -451,6 +451,8 @@ void iwl_hw_txq_ctx_free(struct iwl_priv *priv); int iwl_hw_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq); int iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq); +void iwl_free_tfds_in_queue(struct iwl_priv *priv, + int sta_id, int tid, int freed); int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, int slots_num, u32 txq_id); void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id); diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index d365d13e3291..6eff3d4d0616 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -120,6 +120,20 @@ int iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq) EXPORT_SYMBOL(iwl_txq_update_write_ptr); +void iwl_free_tfds_in_queue(struct iwl_priv *priv, + int sta_id, int tid, int freed) +{ + if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed) + priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; + else { + IWL_ERR(priv, "free more than tfds_in_queue (%u:%d)\n", + priv->stations[sta_id].tid[tid].tfds_in_queue, + freed); + priv->stations[sta_id].tid[tid].tfds_in_queue = 0; + } +} +EXPORT_SYMBOL(iwl_free_tfds_in_queue); + /** * iwl_tx_queue_free - Deallocate DMA queue. * @txq: Transmit queue to deallocate. @@ -1131,6 +1145,7 @@ int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index) struct iwl_queue *q = &txq->q; struct iwl_tx_info *tx_info; int nfreed = 0; + struct ieee80211_hdr *hdr; if ((index >= q->n_bd) || (iwl_queue_used(q, index) == 0)) { IWL_ERR(priv, "Read index for DMA queue txq id (%d), index %d, " @@ -1145,13 +1160,16 @@ int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index) tx_info = &txq->txb[txq->q.read_ptr]; iwl_tx_status(priv, tx_info->skb[0]); + + hdr = (struct ieee80211_hdr *)tx_info->skb[0]->data; + if (hdr && ieee80211_is_data_qos(hdr->frame_control)) + nfreed++; tx_info->skb[0] = NULL; if (priv->cfg->ops->lib->txq_inval_byte_cnt_tbl) priv->cfg->ops->lib->txq_inval_byte_cnt_tbl(priv, txq); priv->cfg->ops->lib->txq_free_tfd(priv, txq); - nfreed++; } return nfreed; } @@ -1559,7 +1577,7 @@ void iwl_rx_reply_compressed_ba(struct iwl_priv *priv, if (txq->q.read_ptr != (ba_resp_scd_ssn & 0xff)) { /* calculate mac80211 ampdu sw queue to wake */ int freed = iwl_tx_queue_reclaim(priv, scd_flow, index); - priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; + iwl_free_tfds_in_queue(priv, sta_id, tid, freed); if ((iwl_queue_space(&txq->q) > txq->q.low_mark) && priv->mac80211_registered && diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index fbc1c7472c5e..099c753c4213 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -410,7 +410,8 @@ static ssize_t wireless_show(struct device *d, char *buf, const struct iw_statistics *iw; ssize_t ret = -EINVAL; - rtnl_lock(); + if (!rtnl_trylock()) + return restart_syscall(); if (dev_isalive(dev)) { iw = get_wireless_stats(dev); if (iw) diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 014982b61564..51ca946e3392 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1317,14 +1317,19 @@ static int devinet_sysctl_forward(ctl_table *ctl, int write, { int *valp = ctl->data; int val = *valp; + loff_t pos = *ppos; int ret = proc_dointvec(ctl, write, buffer, lenp, ppos); if (write && *valp != val) { struct net *net = ctl->extra2; if (valp != &IPV4_DEVCONF_DFLT(net, FORWARDING)) { - if (!rtnl_trylock()) + if (!rtnl_trylock()) { + /* Restore the original values before restarting */ + *valp = val; + *ppos = pos; return restart_syscall(); + } if (valp == &IPV4_DEVCONF_ALL(net, FORWARDING)) { inet_forward_change(net); } else if (*valp) { diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index b0d4a4b23db5..1b327f15e7e7 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -502,8 +502,11 @@ static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old) if (p == &net->ipv6.devconf_dflt->forwarding) return 0; - if (!rtnl_trylock()) + if (!rtnl_trylock()) { + /* Restore the original values before restarting */ + *p = old; return restart_syscall(); + } if (p == &net->ipv6.devconf_all->forwarding) { __s32 newf = net->ipv6.devconf_all->forwarding; @@ -4042,12 +4045,15 @@ int addrconf_sysctl_forward(ctl_table *ctl, int write, { int *valp = ctl->data; int val = *valp; + loff_t pos = *ppos; int ret; ret = proc_dointvec(ctl, write, buffer, lenp, ppos); if (write) ret = addrconf_fixup_forwarding(ctl, valp, val); + if (ret) + *ppos = pos; return ret; } @@ -4089,8 +4095,11 @@ static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int old) if (p == &net->ipv6.devconf_dflt->disable_ipv6) return 0; - if (!rtnl_trylock()) + if (!rtnl_trylock()) { + /* Restore the original values before restarting */ + *p = old; return restart_syscall(); + } if (p == &net->ipv6.devconf_all->disable_ipv6) { __s32 newf = net->ipv6.devconf_all->disable_ipv6; @@ -4109,12 +4118,15 @@ int addrconf_sysctl_disable(ctl_table *ctl, int write, { int *valp = ctl->data; int val = *valp; + loff_t pos = *ppos; int ret; ret = proc_dointvec(ctl, write, buffer, lenp, ppos); if (write) ret = addrconf_disable_ipv6(ctl, valp, val); + if (ret) + *ppos = pos; return ret; }