diff options
44 files changed, 329 insertions, 192 deletions
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index 22abfb39d81..68d45ba2d9b 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -1237,8 +1237,17 @@ static int bfin_mac_enable(struct phy_device *phydev) if (phydev->interface == PHY_INTERFACE_MODE_RMII) { opmode |= RMII; /* For Now only 100MBit are supported */ -#if (defined(CONFIG_BF537) || defined(CONFIG_BF536)) && CONFIG_BF_REV_0_2 - opmode |= TE; +#if defined(CONFIG_BF537) || defined(CONFIG_BF536) + if (__SILICON_REVISION__ < 3) { + /* + * This isn't publicly documented (fun times!), but in + * silicon <=0.2, the RX and TX pins are clocked together. + * So in order to recv, we must enable the transmit side + * as well. This will cause a spurious TX interrupt too, + * but we can easily consume that. + */ + opmode |= TE; + } #endif } diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index d1865cc9731..8e6d618b530 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -8317,7 +8317,7 @@ static const struct net_device_ops bnx2_netdev_ops = { #endif }; -static void inline vlan_features_add(struct net_device *dev, u32 flags) +static inline void vlan_features_add(struct net_device *dev, u32 flags) { dev->vlan_features |= flags; } diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 110eda01843..31552959aed 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -588,14 +588,9 @@ static void c_can_chip_config(struct net_device *dev) { struct c_can_priv *priv = netdev_priv(dev); - if (priv->can.ctrlmode & CAN_CTRLMODE_ONE_SHOT) - /* disable automatic retransmission */ - priv->write_reg(priv, &priv->regs->control, - CONTROL_DISABLE_AR); - else - /* enable automatic retransmission */ - priv->write_reg(priv, &priv->regs->control, - CONTROL_ENABLE_AR); + /* enable automatic retransmission */ + priv->write_reg(priv, &priv->regs->control, + CONTROL_ENABLE_AR); if (priv->can.ctrlmode & (CAN_CTRLMODE_LISTENONLY & CAN_CTRLMODE_LOOPBACK)) { @@ -704,7 +699,6 @@ static void c_can_do_tx(struct net_device *dev) for (/* nix */; (priv->tx_next - priv->tx_echo) > 0; priv->tx_echo++) { msg_obj_no = get_tx_echo_msg_obj(priv); - c_can_inval_msg_object(dev, 0, msg_obj_no); val = c_can_read_reg32(priv, &priv->regs->txrqst1); if (!(val & (1 << msg_obj_no))) { can_get_echo_skb(dev, @@ -713,6 +707,7 @@ static void c_can_do_tx(struct net_device *dev) &priv->regs->ifregs[0].msg_cntrl) & IF_MCONT_DLC_MASK; stats->tx_packets++; + c_can_inval_msg_object(dev, 0, msg_obj_no); } } @@ -1112,8 +1107,7 @@ struct net_device *alloc_c_can_dev(void) priv->can.bittiming_const = &c_can_bittiming_const; priv->can.do_set_mode = c_can_set_mode; priv->can.do_get_berr_counter = c_can_get_berr_counter; - priv->can.ctrlmode_supported = CAN_CTRLMODE_ONE_SHOT | - CAN_CTRLMODE_LOOPBACK | + priv->can.ctrlmode_supported = CAN_CTRLMODE_LOOPBACK | CAN_CTRLMODE_LISTENONLY | CAN_CTRLMODE_BERR_REPORTING; diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c index e629b961ae2..cc90824f2c9 100644 --- a/drivers/net/can/c_can/c_can_platform.c +++ b/drivers/net/can/c_can/c_can_platform.c @@ -73,7 +73,8 @@ static int __devinit c_can_plat_probe(struct platform_device *pdev) void __iomem *addr; struct net_device *dev; struct c_can_priv *priv; - struct resource *mem, *irq; + struct resource *mem; + int irq; #ifdef CONFIG_HAVE_CLK struct clk *clk; @@ -88,8 +89,8 @@ static int __devinit c_can_plat_probe(struct platform_device *pdev) /* get the platform data */ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!mem || (irq <= 0)) { + irq = platform_get_irq(pdev, 0); + if (!mem || irq <= 0) { ret = -ENODEV; goto exit_free_clk; } @@ -117,7 +118,7 @@ static int __devinit c_can_plat_probe(struct platform_device *pdev) priv = netdev_priv(dev); - dev->irq = irq->start; + dev->irq = irq; priv->regs = addr; #ifdef CONFIG_HAVE_CLK priv->can.clock.freq = clk_get_rate(clk); diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index 4d538a4e9d5..91089314329 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -1983,14 +1983,20 @@ static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) { struct port_info *pi = netdev_priv(dev); struct adapter *adapter = pi->adapter; - struct qset_params *qsp = &adapter->params.sge.qset[0]; - struct sge_qset *qs = &adapter->sge.qs[0]; + struct qset_params *qsp; + struct sge_qset *qs; + int i; if (c->rx_coalesce_usecs * 10 > M_NEWTIMER) return -EINVAL; - qsp->coalesce_usecs = c->rx_coalesce_usecs; - t3_update_qset_coalesce(qs, qsp); + for (i = 0; i < pi->nqsets; i++) { + qsp = &adapter->params.sge.qset[i]; + qs = &adapter->sge.qs[i]; + qsp->coalesce_usecs = c->rx_coalesce_usecs; + t3_update_qset_coalesce(qs, qsp); + } + return 0; } diff --git a/drivers/net/jme.c b/drivers/net/jme.c index f690474f440..994c80939c7 100644 --- a/drivers/net/jme.c +++ b/drivers/net/jme.c @@ -273,7 +273,7 @@ jme_clear_pm(struct jme_adapter *jme) { jwrite32(jme, JME_PMCS, 0xFFFF0000 | jme->reg_pmcs); pci_set_power_state(jme->pdev, PCI_D0); - pci_enable_wake(jme->pdev, PCI_D0, false); + device_set_wakeup_enable(&jme->pdev->dev, false); } static int @@ -2538,6 +2538,8 @@ jme_set_wol(struct net_device *netdev, jwrite32(jme, JME_PMCS, jme->reg_pmcs); + device_set_wakeup_enable(&jme->pdev->dev, jme->reg_pmcs); + return 0; } @@ -3172,9 +3174,9 @@ jme_shutdown(struct pci_dev *pdev) } #ifdef CONFIG_PM -static int -jme_suspend(struct pci_dev *pdev, pm_message_t state) +static int jme_suspend(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); struct jme_adapter *jme = netdev_priv(netdev); @@ -3206,22 +3208,18 @@ jme_suspend(struct pci_dev *pdev, pm_message_t state) tasklet_hi_enable(&jme->rxclean_task); tasklet_hi_enable(&jme->rxempty_task); - pci_save_state(pdev); jme_powersave_phy(jme); - pci_enable_wake(jme->pdev, PCI_D3hot, true); - pci_set_power_state(pdev, PCI_D3hot); return 0; } -static int -jme_resume(struct pci_dev *pdev) +static int jme_resume(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); struct jme_adapter *jme = netdev_priv(netdev); - jme_clear_pm(jme); - pci_restore_state(pdev); + jwrite32(jme, JME_PMCS, 0xFFFF0000 | jme->reg_pmcs); jme_phy_on(jme); if (test_bit(JME_FLAG_SSET, &jme->flags)) @@ -3238,6 +3236,13 @@ jme_resume(struct pci_dev *pdev) return 0; } + +static SIMPLE_DEV_PM_OPS(jme_pm_ops, jme_suspend, jme_resume); +#define JME_PM_OPS (&jme_pm_ops) + +#else + +#define JME_PM_OPS NULL #endif static DEFINE_PCI_DEVICE_TABLE(jme_pci_tbl) = { @@ -3251,11 +3256,8 @@ static struct pci_driver jme_driver = { .id_table = jme_pci_tbl, .probe = jme_init_one, .remove = __devexit_p(jme_remove_one), -#ifdef CONFIG_PM - .suspend = jme_suspend, - .resume = jme_resume, -#endif /* CONFIG_PM */ .shutdown = jme_shutdown, + .driver.pm = JME_PM_OPS, }; static int __init diff --git a/drivers/net/ksz884x.c b/drivers/net/ksz884x.c index 540a8dcbcc4..7f7d5708a65 100644 --- a/drivers/net/ksz884x.c +++ b/drivers/net/ksz884x.c @@ -4898,7 +4898,7 @@ static netdev_tx_t netdev_tx(struct sk_buff *skb, struct net_device *dev) goto unlock; } skb_copy_and_csum_dev(org_skb, skb->data); - org_skb->ip_summed = 0; + org_skb->ip_summed = CHECKSUM_NONE; skb->len = org_skb->len; copy_old_skb(org_skb, skb); } diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c index 5762ebde445..4f158baa024 100644 --- a/drivers/net/mlx4/en_netdev.c +++ b/drivers/net/mlx4/en_netdev.c @@ -742,6 +742,9 @@ int mlx4_en_start_port(struct net_device *dev) 0, MLX4_PROT_ETH)) mlx4_warn(mdev, "Failed Attaching Broadcast\n"); + /* Must redo promiscuous mode setup. */ + priv->flags &= ~(MLX4_EN_FLAG_PROMISC | MLX4_EN_FLAG_MC_PROMISC); + /* Schedule multicast task to populate multicast list */ queue_work(mdev->workqueue, &priv->mcast_task); diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 1f4e8680a96..673dc600c89 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -1312,17 +1312,26 @@ myri10ge_unmap_rx_page(struct pci_dev *pdev, * page into an skb */ static inline int -myri10ge_rx_done(struct myri10ge_slice_state *ss, struct myri10ge_rx_buf *rx, - int bytes, int len, __wsum csum) +myri10ge_rx_done(struct myri10ge_slice_state *ss, int len, __wsum csum, + int lro_enabled) { struct myri10ge_priv *mgp = ss->mgp; struct sk_buff *skb; struct skb_frag_struct rx_frags[MYRI10GE_MAX_FRAGS_PER_FRAME]; - int i, idx, hlen, remainder; + struct myri10ge_rx_buf *rx; + int i, idx, hlen, remainder, bytes; struct pci_dev *pdev = mgp->pdev; struct net_device *dev = mgp->dev; u8 *va; + if (len <= mgp->small_bytes) { + rx = &ss->rx_small; + bytes = mgp->small_bytes; + } else { + rx = &ss->rx_big; + bytes = mgp->big_bytes; + } + len += MXGEFW_PAD; idx = rx->cnt & rx->mask; va = page_address(rx->info[idx].page) + rx->info[idx].page_offset; @@ -1341,7 +1350,7 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, struct myri10ge_rx_buf *rx, remainder -= MYRI10GE_ALLOC_SIZE; } - if (dev->features & NETIF_F_LRO) { + if (lro_enabled) { rx_frags[0].page_offset += MXGEFW_PAD; rx_frags[0].size -= MXGEFW_PAD; len -= MXGEFW_PAD; @@ -1463,7 +1472,7 @@ myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget) { struct myri10ge_rx_done *rx_done = &ss->rx_done; struct myri10ge_priv *mgp = ss->mgp; - struct net_device *netdev = mgp->dev; + unsigned long rx_bytes = 0; unsigned long rx_packets = 0; unsigned long rx_ok; @@ -1474,18 +1483,18 @@ myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget) u16 length; __wsum checksum; + /* + * Prevent compiler from generating more than one ->features memory + * access to avoid theoretical race condition with functions that + * change NETIF_F_LRO flag at runtime. + */ + bool lro_enabled = ACCESS_ONCE(mgp->dev->features) & NETIF_F_LRO; + while (rx_done->entry[idx].length != 0 && work_done < budget) { length = ntohs(rx_done->entry[idx].length); rx_done->entry[idx].length = 0; checksum = csum_unfold(rx_done->entry[idx].checksum); - if (length <= mgp->small_bytes) - rx_ok = myri10ge_rx_done(ss, &ss->rx_small, - mgp->small_bytes, - length, checksum); - else - rx_ok = myri10ge_rx_done(ss, &ss->rx_big, - mgp->big_bytes, - length, checksum); + rx_ok = myri10ge_rx_done(ss, length, checksum, lro_enabled); rx_packets += rx_ok; rx_bytes += rx_ok * (unsigned long)length; cnt++; @@ -1497,7 +1506,7 @@ myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget) ss->stats.rx_packets += rx_packets; ss->stats.rx_bytes += rx_bytes; - if (netdev->features & NETIF_F_LRO) + if (lro_enabled) lro_flush_all(&rx_done->lro_mgr); /* restock receive rings if needed */ diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c index 653d308e0f5..3bdcc803ec6 100644 --- a/drivers/net/netxen/netxen_nic_ethtool.c +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -871,7 +871,7 @@ static int netxen_nic_set_flags(struct net_device *netdev, u32 data) struct netxen_adapter *adapter = netdev_priv(netdev); int hw_lro; - if (data & ~ETH_FLAG_LRO) + if (ethtool_invalid_flags(netdev, data, ETH_FLAG_LRO)) return -EINVAL; if (!(adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)) diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c index 4c14510e2a8..45b2755d6cb 100644 --- a/drivers/net/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/qlcnic/qlcnic_ethtool.c @@ -1003,7 +1003,7 @@ static int qlcnic_set_flags(struct net_device *netdev, u32 data) struct qlcnic_adapter *adapter = netdev_priv(netdev); int hw_lro; - if (data & ~ETH_FLAG_LRO) + if (ethtool_invalid_flags(netdev, data, ETH_FLAG_LRO)) return -EINVAL; if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)) diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 2ad6364103e..356e74d20b8 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -6726,7 +6726,7 @@ static int s2io_ethtool_set_flags(struct net_device *dev, u32 data) int rc = 0; int changed = 0; - if (data & ~ETH_FLAG_LRO) + if (ethtool_invalid_flags(dev, data, ETH_FLAG_LRO)) return -EINVAL; if (data & ETH_FLAG_LRO) { diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index ebec88882c3..73c942d85f0 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -48,9 +48,9 @@ #include <net/ip.h> #include <asm/system.h> -#include <asm/io.h> +#include <linux/io.h> #include <asm/byteorder.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #ifdef CONFIG_SPARC #include <asm/idprom.h> @@ -13118,7 +13118,7 @@ done: static struct pci_dev * __devinit tg3_find_peer(struct tg3 *); -static void inline vlan_features_add(struct net_device *dev, unsigned long flags) +static inline void vlan_features_add(struct net_device *dev, unsigned long flags) { dev->vlan_features |= flags; } diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c index 81254be85b9..51f2ef142a5 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethtool.c +++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c @@ -304,8 +304,8 @@ vmxnet3_set_flags(struct net_device *netdev, u32 data) u8 lro_present = (netdev->features & NETIF_F_LRO) == 0 ? 0 : 1; unsigned long flags; - if (data & ~ETH_FLAG_LRO) - return -EOPNOTSUPP; + if (ethtool_invalid_flags(netdev, data, ETH_FLAG_LRO)) + return -EINVAL; if (lro_requested ^ lro_present) { /* toggle the LRO feature*/ diff --git a/drivers/net/vxge/vxge-ethtool.c b/drivers/net/vxge/vxge-ethtool.c index 1dd3a21b3a4..c5eb034107f 100644 --- a/drivers/net/vxge/vxge-ethtool.c +++ b/drivers/net/vxge/vxge-ethtool.c @@ -1117,8 +1117,8 @@ static int vxge_set_flags(struct net_device *dev, u32 data) struct vxgedev *vdev = netdev_priv(dev); enum vxge_hw_status status; - if (data & ~ETH_FLAG_RXHASH) - return -EOPNOTSUPP; + if (ethtool_invalid_flags(dev, data, ETH_FLAG_RXHASH)) + return -EINVAL; if (!!(data & ETH_FLAG_RXHASH) == vdev->devh->config.rth_en) return 0; diff --git a/include/linux/can/core.h b/include/linux/can/core.h index 6c507bea275..6f70a6d3a16 100644 --- a/include/linux/can/core.h +++ b/include/linux/can/core.h @@ -36,10 +36,10 @@ * @prot: pointer to struct proto structure. */ struct can_proto { - int type; - int protocol; - struct proto_ops *ops; - struct proto *prot; + int type; + int protocol; + const struct proto_ops *ops; + struct proto *prot; }; /* function prototypes for the CAN networklayer core (af_can.c) */ @@ -58,5 +58,6 @@ extern void can_rx_unregister(struct net_device *dev, canid_t can_id, void *data); extern int can_send(struct sk_buff *skb, int loop); +extern int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); #endif /* CAN_CORE_H */ diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index ae757bcf128..c8fcbdd2b0e 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -680,6 +680,7 @@ int ethtool_op_set_ufo(struct net_device *dev, u32 data); u32 ethtool_op_get_flags(struct net_device *dev); int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported); void ethtool_ntuple_flush(struct net_device *dev); +bool ethtool_invalid_flags(struct net_device *dev, u32 data, u32 supported); /** * ðtool_ops - Alter and report network device settings diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 24cfa626931..239083bfea1 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -122,8 +122,14 @@ struct sk_buff_head { struct sk_buff; -/* To allow 64K frame to be packed as single skb without frag_list */ +/* To allow 64K frame to be packed as single skb without frag_list. Since + * GRO uses frags we allocate at least 16 regardless of page size. + */ +#if (65536/PAGE_SIZE + 2) < 16 +#define MAX_SKB_FRAGS 16 +#else #define MAX_SKB_FRAGS (65536/PAGE_SIZE + 2) +#endif typedef struct skb_frag_struct skb_frag_t; diff --git a/include/net/dst.h b/include/net/dst.h index 2a46cbaef92..75b95df4afe 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -345,7 +345,7 @@ static inline void skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev) static inline struct dst_entry *skb_dst_pop(struct sk_buff *skb) { - struct dst_entry *child = skb_dst(skb)->child; + struct dst_entry *child = dst_clone(skb_dst(skb)->child); skb_dst_drop(skb); return child; diff --git a/include/net/rose.h b/include/net/rose.h index 5ba9f02731e..555dd198aab 100644 --- a/include/net/rose.h +++ b/include/net/rose.h @@ -14,6 +14,12 @@ #define ROSE_MIN_LEN 3 +#define ROSE_CALL_REQ_ADDR_LEN_OFF 3 +#define ROSE_CALL_REQ_ADDR_LEN_VAL 0xAA /* each address is 10 digits */ +#define ROSE_CALL_REQ_DEST_ADDR_OFF 4 +#define ROSE_CALL_REQ_SRC_ADDR_OFF 9 +#define ROSE_CALL_REQ_FACILITIES_OFF 14 + #define ROSE_GFI 0x10 #define ROSE_Q_BIT 0x80 #define ROSE_D_BIT 0x40 @@ -214,7 +220,7 @@ extern void rose_requeue_frames(struct sock *); extern int rose_validate_nr(struct sock *, unsigned short); extern void rose_write_internal(struct sock *, int); extern int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *); -extern int rose_parse_facilities(unsigned char *, struct rose_facilities_struct *); +extern int rose_parse_facilities(unsigned char *, unsigned int, struct rose_facilities_struct *); extern void rose_disconnect(struct sock *, int, int, int); /* rose_timer.c */ diff --git a/include/net/xfrm.h b/include/net/xfrm.h index cffa5dc6644..6ae4bc5ce8a 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1601,6 +1601,28 @@ static inline int xfrm_replay_state_esn_len(struct xfrm_replay_state_esn *replay } #ifdef CONFIG_XFRM_MIGRATE +static inline int xfrm_replay_clone(struct xfrm_state *x, + struct xfrm_state *orig) +{ + x->replay_esn = kzalloc(xfrm_replay_state_esn_len(orig->replay_esn), + GFP_KERNEL); + if (!x->replay_esn) + return -ENOMEM; + + x->replay_esn->bmp_len = orig->replay_esn->bmp_len; + x->replay_esn->replay_window = orig->replay_esn->replay_window; + + x->preplay_esn = kmemdup(x->replay_esn, + xfrm_replay_state_esn_len(x->replay_esn), + GFP_KERNEL); + if (!x->preplay_esn) { + kfree(x->replay_esn); + return -ENOMEM; + } + + return 0; +} + static inline struct xfrm_algo *xfrm_algo_clone(struct xfrm_algo *orig) { return kmemdup(orig, xfrm_alg_len(orig), GFP_KERNEL); diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index dce8f0009a1..718b60366df 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -389,6 +389,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) { struct net_bridge_port *p; int err = 0; + bool changed_addr; /* Don't allow bridging non-ethernet like devices */ if ((dev->flags & IFF_LOOPBACK) || @@ -446,7 +447,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) list_add_rcu(&p->list, &br->port_list); spin_lock_bh(&br->lock); - br_stp_recalculate_bridge_id(br); + changed_addr = br_stp_recalculate_bridge_id(br); br_features_recompute(br); if ((dev->flags & IFF_UP) && netif_carrier_ok(dev) && @@ -456,6 +457,9 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) br_ifinfo_notify(RTM_NEWLINK, p); + if (changed_addr) + call_netdevice_notifiers(NETDEV_CHANGEADDR, dev); + dev_set_mtu(br->dev, br_min_mtu(br)); kobject_uevent(&p->kobj, KOBJ_ADD); diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 19e2f46ed08..387013d3374 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -497,7 +497,7 @@ extern void br_stp_disable_bridge(struct net_bridge *br); extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val); extern void br_stp_enable_port(struct net_bridge_port *p); extern void br_stp_disable_port(struct net_bridge_port *p); -extern void br_stp_recalculate_bridge_id(struct net_bridge *br); +extern bool br_stp_recalculate_bridge_id(struct net_bridge *br); extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a); extern void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio); diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c index 79372d4a405..5593f5aec94 100644 --- a/net/bridge/br_stp_if.c +++ b/net/bridge/br_stp_if.c @@ -204,7 +204,7 @@ void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *addr) static const unsigned short br_mac_zero_aligned[ETH_ALEN >> 1]; /* called under bridge lock */ -void br_stp_recalculate_bridge_id(struct net_bridge *br) +bool br_stp_recalculate_bridge_id(struct net_bridge *br) { const unsigned char *br_mac_zero = (const unsigned char *)br_mac_zero_aligned; @@ -222,8 +222,11 @@ void br_stp_recalculate_bridge_id(struct net_bridge *br) } - if (compare_ether_addr(br->bridge_id.addr, addr)) - br_stp_change_bridge_id(br, addr); + if (compare_ether_addr(br->bridge_id.addr, addr) == 0) + return false; /* no change */ + + br_stp_change_bridge_id(br, addr); + return true; } /* called under bridge lock */ diff --git a/net/can/af_can.c b/net/can/af_can.c index 702be5a2c95..733d66f1b05 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -95,7 +95,7 @@ struct s_pstats can_pstats; /* receive list statistics */ * af_can socket functions */ -static int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) +int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { struct sock *sk = sock->sk; @@ -108,6 +108,7 @@ static int can_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) return -ENOIOCTLCMD; } } +EXPORT_SYMBOL(can_ioctl); static void can_sock_destruct(struct sock *sk) { @@ -698,13 +699,9 @@ int can_proto_register(struct can_proto *cp) printk(KERN_ERR "can: protocol %d already registered\n", proto); err = -EBUSY; - } else { + } else proto_tab[proto] = cp; - /* use generic ioctl function if not defined by module */ - if (!cp->ops->ioctl) - cp->ops->ioctl = can_ioctl; - } spin_unlock(&proto_tab_lock); if (err < 0) diff --git a/net/can/bcm.c b/net/can/bcm.c index 092dc88a7c6..871a0ad5102 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -1569,7 +1569,7 @@ static int bcm_recvmsg(struct kiocb *iocb, struct socket *sock, return size; } -static struct proto_ops bcm_ops __read_mostly = { +static const struct proto_ops bcm_ops = { .family = PF_CAN, .release = bcm_release, .bind = sock_no_bind, @@ -1578,7 +1578,7 @@ static struct proto_ops bcm_ops __read_mostly = { .accept = sock_no_accept, .getname = sock_no_getname, .poll = datagram_poll, - .ioctl = NULL, /* use can_ioctl() from af_can.c */ + .ioctl = can_ioctl, /* use can_ioctl() from af_can.c */ .listen = sock_no_listen, .shutdown = sock_no_shutdown, .setsockopt = sock_no_setsockopt, diff --git a/net/can/raw.c b/net/can/raw.c index 883e9d74fdd..649acfa7c70 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -742,7 +742,7 @@ static int raw_recvmsg(struct kiocb *iocb, struct socket *sock, return size; } -static struct proto_ops raw_ops __read_mostly = { +static const struct proto_ops raw_ops = { .family = PF_CAN, .release = raw_release, .bind = raw_bind, @@ -751,7 +751,7 @@ static struct proto_ops raw_ops __read_mostly = { .accept = sock_no_accept, .getname = raw_getname, .poll = datagram_poll, - .ioctl = NULL, /* use can_ioctl() from af_can.c */ + .ioctl = can_ioctl, /* use can_ioctl() from af_can.c */ .listen = sock_no_listen, .shutdown = sock_no_shutdown, .setsockopt = raw_setsockopt, diff --git a/net/core/dev.c b/net/core/dev.c index f453370131a..563ddc28139 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1140,9 +1140,6 @@ static int __dev_open(struct net_device *dev) ASSERT_RTNL(); - /* - * Is it even present? - */ if (!netif_device_present(dev)) return -ENODEV; @@ -1151,9 +1148,6 @@ static int __dev_open(struct net_device *dev) if (ret) return ret; - /* - * Call device private open method - */ set_bit(__LINK_STATE_START, &dev->state); if (ops->ndo_validate_addr) @@ -1162,31 +1156,12 @@ static int __dev_open(struct net_device *dev) if (!ret && ops->ndo_open) ret = ops->ndo_open(dev); - /* - * If it went open OK then: - */ - if (ret) clear_bit(__LINK_STATE_START, &dev->state); else { - /* - * Set the flags. - */ dev->flags |= IFF_UP; - - /* - * Enable NET_DMA - */ net_dmaengine_get(); - - /* - * Initialize multicasting status - */ dev_set_rx_mode(dev); - - /* - * Wakeup transmit queue engine - */ dev_activate(dev); } @@ -1209,22 +1184,13 @@ int dev_open(struct net_device *dev) { int ret; - /* - * Is it already up? - */ if (dev->flags & IFF_UP) return 0; - /* - * Open device - */ ret = __dev_open(dev); if (ret < 0) return ret; - /* - * ... and announce new interface. - */ rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING); call_netdevice_notifiers(NETDEV_UP, dev); @@ -1240,10 +1206,6 @@ static int __dev_close_many(struct list_head *head) might_sleep(); list_for_each_entry(dev, head, unreg_list) { - /* - * Tell people we are going down, so that they can - * prepare to death, when device is still operating. - */ call_netdevice_notifiers(NETDEV_GOING_DOWN, dev); clear_bit(__LINK_STATE_START, &dev->state); @@ -1272,15 +1234,7 @@ static int __dev_close_many(struct list_head *head) if (ops->ndo_stop) ops->ndo_stop(dev); - /* - * Device is now down. - */ - dev->flags &= ~IFF_UP; - - /* - * Shutdown NET_DMA - */ net_dmaengine_put(); } @@ -1309,9 +1263,6 @@ static int dev_close_many(struct list_head *head) __dev_close_many(head); - /* - * Tell people we are down - */ list_for_each_entry(dev, head, unreg_list) { rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING); call_netdevice_notifiers(NETDEV_DOWN, dev); @@ -1371,11 +1322,6 @@ EXPORT_SYMBOL(dev_disable_lro); static int dev_boot_phase = 1; -/* - * Device change register/unregister. These are not inline or static - * as we export them to the world. - */ - /** * register_netdevice_notifier - register a network notifier block * @nb: notifier @@ -1477,6 +1423,7 @@ int call_netdevice_notifiers(unsigned long val, struct net_device *dev) ASSERT_RTNL(); return raw_notifier_call_chain(&netdev_chain, val, dev); } +EXPORT_SYMBOL(call_netdevice_notifiers); /* When > 0 there are consumers of rx skb time stamps */ static atomic_t netstamp_needed = ATOMIC_INIT(0); diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 24bd57493c0..74ead9eca12 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -141,9 +141,24 @@ u32 ethtool_op_get_flags(struct net_device *dev) } EXPORT_SYMBOL(ethtool_op_get_flags); +/* Check if device can enable (or disable) particular feature coded in "data" + * argument. Flags "supported" describe features that can be toggled by device. + * If feature can not be toggled, it state (enabled or disabled) must match + * hardcoded device features state, otherwise flags are marked as invalid. + */ +bool ethtool_invalid_flags(struct net_device *dev, u32 data, u32 supported) +{ + u32 features = dev->features & flags_dup_features; + /* "data" can contain only flags_dup_features bits, + * see __ethtool_set_flags */ + + return (features & ~supported) != (data & ~supported); +} +EXPORT_SYMBOL(ethtool_invalid_flags); + int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported) { - if (data & ~supported) + if (ethtool_invalid_flags(dev, data, supported)) return -EINVAL; dev->features = ((dev->features & ~flags_dup_features) | diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 90a3ff60559..b92c86f6e9b 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1365,9 +1365,9 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l, err = fib_props[fa->fa_type].error; if (err) { #ifdef CONFIG_IP_FIB_TRIE_STATS - t->stats.semantic_match_miss++; + t->stats.semantic_match_passed++; #endif - return 1; + return err; } if (fi->fib_flags & RTNH_F_DEAD) continue; diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index 1906fa35860..28a736f3442 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -140,11 +140,11 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb) } else { dopt->ts_needtime = 0; - if (soffset + 8 <= optlen) { + if (soffset + 7 <= optlen) { __be32 addr; - memcpy(&addr, sptr+soffset-1, 4); - if (inet_addr_type(dev_net(skb_dst(skb)->dev), addr) != RTN_LOCAL) { + memcpy(&addr, dptr+soffset-1, 4); + if (inet_addr_type(dev_net(skb_dst(skb)->dev), addr) != RTN_UNICAST) { dopt->ts_needtime = 1; soffset += 8; } diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index e837ffd3edc..2d3c72e5bbb 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -569,6 +569,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, rt = ip_route_output_flow(sock_net(sk), &fl4, sk); if (IS_ERR(rt)) { err = PTR_ERR(rt); + rt = NULL; goto done; } } diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 7ff0343e05c..29e48593bf2 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -663,7 +663,7 @@ static int pim6_rcv(struct sk_buff *skb) skb_pull(skb, (u8 *)encap - skb->data); skb_reset_network_header(skb); skb->protocol = htons(ETH_P_IPV6); - skb->ip_summed = 0; + skb->ip_summed = CHECKSUM_NONE; skb->pkt_type = PACKET_HOST; skb_tunnel_rx(skb, reg_dev); diff --git a/net/irda/iriap.c b/net/irda/iriap.c index 5b743bdd89b..36477538cea 100644 --- a/net/irda/iriap.c +++ b/net/irda/iriap.c @@ -656,10 +656,16 @@ static void iriap_getvaluebyclass_indication(struct iriap_cb *self, n = 1; name_len = fp[n++]; + + IRDA_ASSERT(name_len < IAS_MAX_CLASSNAME + 1, return;); + memcpy(name, fp+n, name_len); n+=name_len; name[name_len] = '\0'; attr_len = fp[n++]; + + IRDA_ASSERT(attr_len < IAS_MAX_ATTRIBNAME + 1, return;); + memcpy(attr, fp+n, attr_len); n+=attr_len; attr[attr_len] = '\0'; diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c index 7c567b8aa89..2bb2beb6a37 100644 --- a/net/irda/irnet/irnet_ppp.c +++ b/net/irda/irnet/irnet_ppp.c @@ -105,6 +105,9 @@ irnet_ctrl_write(irnet_socket * ap, while(isspace(start[length - 1])) length--; + DABORT(length < 5 || length > NICKNAME_MAX_LEN + 5, + -EINVAL, CTRL_ERROR, "Invalid nickname.\n"); + /* Copy the name for later reuse */ memcpy(ap->rname, start + 5, length - 5); ap->rname[length - 5] = '\0'; diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index 5ee0c62046a..a80aef6e3d1 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -978,7 +978,7 @@ int rose_rx_call_request(struct sk_buff *skb, struct net_device *dev, struct ros struct sock *make; struct rose_sock *make_rose; struct rose_facilities_struct facilities; - int n, len; + int n; skb->sk = NULL; /* Initially we don't know who it's for */ @@ -987,9 +987,9 @@ int rose_rx_call_request(struct sk_buff *skb, struct net_device *dev, struct ros */ memset(&facilities, 0x00, sizeof(struct rose_facilities_struct)); - len = (((skb->data[3] >> 4) & 0x0F) + 1) >> 1; - len += (((skb->data[3] >> 0) & 0x0F) + 1) >> 1; - if (!rose_parse_facilities(skb->data + len + 4, &facilities)) { + if (!rose_parse_facilities(skb->data + ROSE_CALL_REQ_FACILITIES_OFF, + skb->len - ROSE_CALL_REQ_FACILITIES_OFF, + &facilities)) { rose_transmit_clear_request(neigh, lci, ROSE_INVALID_FACILITY, 76); return 0; } diff --git a/net/rose/rose_loopback.c b/net/rose/rose_loopback.c index ae4a9d99aec..344456206b7 100644 --- a/net/rose/rose_loopback.c +++ b/net/rose/rose_loopback.c @@ -73,9 +73,20 @@ static void rose_loopback_timer(unsigned long param) unsigned int lci_i, lci_o; while ((skb = skb_dequeue(&loopback_queue)) != NULL) { + if (skb->len < ROSE_MIN_LEN) { + kfree_skb(skb); + continue; + } lci_i = ((skb->data[0] << 8) & 0xF00) + ((skb->data[1] << 0) & 0x0FF); frametype = skb->data[2]; - dest = (rose_address *)(skb->data + 4); + if (frametype == ROSE_CALL_REQUEST && + (skb->len <= ROSE_CALL_REQ_FACILITIES_OFF || + skb->data[ROSE_CALL_REQ_ADDR_LEN_OFF] != + ROSE_CALL_REQ_ADDR_LEN_VAL)) { + kfree_skb(skb); + continue; + } + dest = (rose_address *)(skb->data + ROSE_CALL_REQ_DEST_ADDR_OFF); lci_o = ROSE_DEFAULT_MAXVC + 1 - lci_i; skb_reset_transport_header(skb); diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c index 88a77e90e7e..08dcd2f29cd 100644 --- a/net/rose/rose_route.c +++ b/net/rose/rose_route.c @@ -861,7 +861,7 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25) unsigned int lci, new_lci; unsigned char cause, diagnostic; struct net_device *dev; - int len, res = 0; + int res = 0; char buf[11]; #if 0 @@ -869,10 +869,17 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25) return res; #endif + if (skb->len < ROSE_MIN_LEN) + return res; frametype = skb->data[2]; lci = ((skb->data[0] << 8) & 0xF00) + ((skb->data[1] << 0) & 0x0FF); - src_addr = (rose_address *)(skb->data + 9); - dest_addr = (rose_address *)(skb->data + 4); + if (frametype == ROSE_CALL_REQUEST && + (skb->len <= ROSE_CALL_REQ_FACILITIES_OFF || + skb->data[ROSE_CALL_REQ_ADDR_LEN_OFF] != + ROSE_CALL_REQ_ADDR_LEN_VAL)) + return res; + src_addr = (rose_address *)(skb->data + ROSE_CALL_REQ_SRC_ADDR_OFF); + dest_addr = (rose_address *)(skb->data + ROSE_CALL_REQ_DEST_ADDR_OFF); spin_lock_bh(&rose_neigh_list_lock); spin_lock_bh(&rose_route_list_lock); @@ -1010,12 +1017,11 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25) goto out; } - len = (((skb->data[3] >> 4) & 0x0F) + 1) >> 1; - len += (((skb->data[3] >> 0) & 0x0F) + 1) >> 1; - memset(&facilities, 0x00, sizeof(struct rose_facilities_struct)); - if (!rose_parse_facilities(skb->data + len + 4, &facilities)) { + if (!rose_parse_facilities(skb->data + ROSE_CALL_REQ_FACILITIES_OFF, + skb->len - ROSE_CALL_REQ_FACILITIES_OFF, + &facilities)) { rose_transmit_clear_request(rose_neigh, lci, ROSE_INVALID_FACILITY, 76); goto out; } diff --git a/net/rose/rose_subr.c b/net/rose/rose_subr.c index 1734abba26a..f6c71caa94b 100644 --- a/net/rose/rose_subr.c +++ b/net/rose/rose_subr.c @@ -142,7 +142,7 @@ void rose_write_internal(struct sock *sk, int frametype) *dptr++ = ROSE_GFI | lci1; *dptr++ = lci2; *dptr++ = frametype; - *dptr++ = 0xAA; + *dptr++ = ROSE_CALL_REQ_ADDR_LEN_VAL; memcpy(dptr, &rose->dest_addr, ROSE_ADDR_LEN); dptr += ROSE_ADDR_LEN; memcpy(dptr, &rose->source_addr, ROSE_ADDR_LEN); @@ -246,12 +246,16 @@ static int rose_parse_national(unsigned char *p, struct rose_facilities_struct * do { switch (*p & 0xC0) { case 0x00: + if (len < 2) + return -1; p += 2; n += 2; len -= 2; break; case 0x40: + if (len < 3) + return -1; if (*p == FAC_NATIONAL_RAND) facilities->rand = ((p[1] << 8) & 0xFF00) + ((p[2] << 0) & 0x00FF); p += 3; @@ -260,40 +264,61 @@ static int rose_parse_national(unsigned char *p, struct rose_facilities_struct * break; case 0x80: + if (len < 4) + return -1; p += 4; n += 4; len -= 4; break; case 0xC0: + if (len < 2) + return -1; l = p[1]; + if (len < 2 + l) + return -1; if (*p == FAC_NATIONAL_DEST_DIGI) { if (!fac_national_digis_received) { + if (l < AX25_ADDR_LEN) + return -1; memcpy(&facilities->source_digis[0], p + 2, AX25_ADDR_LEN); facilities->source_ndigis = 1; } } else if (*p == FAC_NATIONAL_SRC_DIGI) { if (!fac_national_digis_received) { + if (l < AX25_ADDR_LEN) + return -1; memcpy(&facilities->dest_digis[0], p + 2, AX25_ADDR_LEN); facilities->dest_ndigis = 1; } } else if (*p == FAC_NATIONAL_FAIL_CALL) { + if (l < AX25_ADDR_LEN) + return -1; memcpy(&facilities->fail_call, p + 2, AX25_ADDR_LEN); } else if (*p == FAC_NATIONAL_FAIL_ADD) { + if (l < 1 + ROSE_ADDR_LEN) + return -1; memcpy(&facilities->fail_addr, p + 3, ROSE_ADDR_LEN); } else if (*p == FAC_NATIONAL_DIGIS) { + if (l % AX25_ADDR_LEN) + return -1; fac_national_digis_received = 1; facilities->source_ndigis = 0; facilities->dest_ndigis = 0; for (pt = p + 2, lg = 0 ; lg < l ; pt += AX25_ADDR_LEN, lg += AX25_ADDR_LEN) { - if (pt[6] & AX25_HBIT) + if (pt[6] & AX25_HBIT) { + if (facilities->dest_ndigis >= ROSE_MAX_DIGIS) + return -1; memcpy(&facilities->dest_digis[facilities->dest_ndigis++], pt, AX25_ADDR_LEN); - else + } else { + if (facilities->source_ndigis >= ROSE_MAX_DIGIS) + return -1; memcpy(&facilities->source_digis[facilities->source_ndigis++], pt, AX25_ADDR_LEN); + } } } p += l + 2; @@ -314,25 +339,38 @@ static int rose_parse_ccitt(unsigned char *p, struct rose_facilities_struct *fac do { switch (*p & 0xC0) { case 0x00: + if (len < 2) + return -1; p += 2; n += 2; len -= 2; break; case 0x40: + if (len < 3) + return -1; p += 3; n += 3; len -= 3; break; case 0x80: + if (len < 4) + return -1; p += 4; n += 4; len -= 4; break; case 0xC0: + if (len < 2) + return -1; l = p[1]; + + /* Prevent overflows*/ + if (l < 10 || l > 20) + return -1; + if (*p == FAC_CCITT_DEST_NSAP) { memcpy(&facilities->source_addr, p + 7, ROSE_ADDR_LEN); memcpy(callsign, p + 12, l - 10); @@ -355,45 +393,44 @@ static int rose_parse_ccitt(unsigned char *p, struct rose_facilities_struct *fac return n; } -int rose_parse_facilities(unsigned char *p, +int rose_parse_facilities(unsigned char *p, unsigned packet_len, struct rose_facilities_struct *facilities) { int facilities_len, len; facilities_len = *p++; - if (facilities_len == 0) + if (facilities_len == 0 || (unsigned)facilities_len > packet_len) return 0; - while (facilities_len > 0) { - if (*p == 0x00) { - facilities_len--; - p++; - - switch (*p) { - case FAC_NATIONAL: /* National */ - len = rose_parse_national(p + 1, facilities, facilities_len - 1); - facilities_len -= len + 1; - p += len + 1; - break; - - case FAC_CCITT: /* CCITT */ - len = rose_parse_ccitt(p + 1, facilities, facilities_len - 1); - facilities_len -= len + 1; - p += len + 1; - break; - - default: - printk(KERN_DEBUG "ROSE: rose_parse_facilities - unknown facilities family %02X\n", *p); - facilities_len--; - p++; - break; - } - } else - break; /* Error in facilities format */ + while (facilities_len >= 3 && *p == 0x00) { + facilities_len--; + p++; + + switch (*p) { + case FAC_NATIONAL: /* National */ + len = rose_parse_national(p + 1, facilities, facilities_len - 1); + break; + + case FAC_CCITT: /* CCITT */ + len = rose_parse_ccitt(p + 1, facilities, facilities_len - 1); + break; + + default: + printk(KERN_DEBUG "ROSE: rose_parse_facilities - unknown facilities family %02X\n", *p); + len = 1; + break; + } + + if (len < 0) + return 0; + if (WARN_ON(len >= facilities_len)) + return 0; + facilities_len -= len + 1; + p += len + 1; } - return 1; + return facilities_len == 0; } static int rose_create_facilities(unsigned char *buffer, struct rose_sock *rose) diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index 872065ca7f8..a026b0ef244 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -173,7 +173,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type) goto drop_unlock; } - if (x->props.replay_window && x->repl->check(x, skb, seq)) { + if (x->repl->check(x, skb, seq)) { XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATESEQERROR); goto drop_unlock; } @@ -190,6 +190,8 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type) XFRM_SKB_CB(skb)->seq.input.low = seq; XFRM_SKB_CB(skb)->seq.input.hi = seq_hi; + skb_dst_force(skb); + nexthdr = x->type->input(x, skb); if (nexthdr == -EINPROGRESS) diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c index 1aba03f449c..47bacd8c025 100644 --- a/net/xfrm/xfrm_output.c +++ b/net/xfrm/xfrm_output.c @@ -78,6 +78,8 @@ static int xfrm_output_one(struct sk_buff *skb, int err) spin_unlock_bh(&x->lock); + skb_dst_force(skb); + err = x->type->output(x, skb); if (err == -EINPROGRESS) goto out_exit; @@ -94,7 +96,7 @@ resume: err = -EHOSTUNREACH; goto error_nolock; } - skb_dst_set(skb, dst_clone(dst)); + skb_dst_set(skb, dst); x = dst->xfrm; } while (x && !(x->outer_mode->flags & XFRM_MODE_FLAG_TUNNEL)); diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c index 2f5be5b1574..f218385950c 100644 --- a/net/xfrm/xfrm_replay.c +++ b/net/xfrm/xfrm_replay.c @@ -118,6 +118,9 @@ static int xfrm_replay_check(struct xfrm_state *x, u32 diff; u32 seq = ntohl(net_seq); + if (!x->props.replay_window) + return 0; + if (unlikely(seq == 0)) goto err; @@ -193,9 +196,14 @@ static int xfrm_replay_check_bmp(struct xfrm_state *x, { unsigned int bitnr, nr; struct xfrm_replay_state_esn *replay_esn = x->replay_esn; + u32 pos; u32 seq = ntohl(net_seq); u32 diff = replay_esn->seq - seq; - u32 pos = (replay_esn->seq - 1) % replay_esn->replay_window; + + if (!replay_esn->replay_window) + return 0; + + pos = (replay_esn->seq - 1) % replay_esn->replay_window; if (unlikely(seq == 0)) goto err; @@ -373,12 +381,17 @@ static int xfrm_replay_check_esn(struct xfrm_state *x, unsigned int bitnr, nr; u32 diff; struct xfrm_replay_state_esn *replay_esn = x->replay_esn; + u32 pos; u32 seq = ntohl(net_seq); - u32 pos = (replay_esn->seq - 1) % replay_esn->replay_window; u32 wsize = replay_esn->replay_window; u32 top = replay_esn->seq; u32 bottom = top - wsize + 1; + if (!wsize) + return 0; + + pos = (replay_esn->seq - 1) % replay_esn->replay_window; + if (unlikely(seq == 0 && replay_esn->seq_hi == 0 && (replay_esn->seq < replay_esn->replay_window - 1))) goto err; diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index f83a3d1da81..dd78536d40d 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1181,6 +1181,12 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig, int *errp) goto error; } + if (orig->replay_esn) { + err = xfrm_replay_clone(x, orig); + if (err) + goto error; + } + memcpy(&x->mark, &orig->mark, sizeof(x->mark)); err = xfrm_init_state(x); diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index fc152d28753..3d15d3e1b2c 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -127,6 +127,9 @@ static inline int verify_replay(struct xfrm_usersa_info *p, if (!rt) return 0; + if (p->id.proto != IPPROTO_ESP) + return -EINVAL; + if (p->replay_window != 0) return -EINVAL; @@ -360,6 +363,23 @@ static int attach_aead(struct xfrm_algo_aead **algpp, u8 *props, return 0; } +static inline int xfrm_replay_verify_len(struct xfrm_replay_state_esn *replay_esn, + struct nlattr *rp) +{ + struct xfrm_replay_state_esn *up; + + if (!replay_esn || !rp) + return 0; + + up = nla_data(rp); + + if (xfrm_replay_state_esn_len(replay_esn) != + xfrm_replay_state_esn_len(up)) + return -EINVAL; + + return 0; +} + static int xfrm_alloc_replay_state_esn(struct xfrm_replay_state_esn **replay_esn, struct xfrm_replay_state_esn **preplay_esn, struct nlattr *rta) @@ -1766,6 +1786,10 @@ static int xfrm_new_ae(struct sk_buff *skb, struct nlmsghdr *nlh, if (x->km.state != XFRM_STATE_VALID) goto out; + err = xfrm_replay_verify_len(x->replay_esn, rp); + if (err) + goto out; + spin_lock_bh(&x->lock); xfrm_update_ae_params(x, attrs); spin_unlock_bh(&x->lock); |