commit: 3b76de06109b45045f52e1111006e982f4d3cc5f Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Wed Oct 15 15:40:29 2014 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Wed Oct 15 15:40:29 2014 +0000 URL: http://sources.gentoo.org/gitweb/?p=proj/linux-patches.git;a=commit;h=3b76de06
Linux patch 3.14.22 --- 0000_README | 4 + 1021_linux-3.14.22.patch | 1795 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 1799 insertions(+) diff --git a/0000_README b/0000_README index f450f73..8169612 100644 --- a/0000_README +++ b/0000_README @@ -126,6 +126,10 @@ Patch: 1020_linux-3.14.21.patch From: http://www.kernel.org Desc: Linux 3.14.21 +Patch: 1021_linux-3.14.22.patch +From: http://www.kernel.org +Desc: Linux 3.14.22 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1021_linux-3.14.22.patch b/1021_linux-3.14.22.patch new file mode 100644 index 0000000..23599bd --- /dev/null +++ b/1021_linux-3.14.22.patch @@ -0,0 +1,1795 @@ +diff --git a/Makefile b/Makefile +index 41e6e19fe2e9..a59980eb4557 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 3 + PATCHLEVEL = 14 +-SUBLEVEL = 21 ++SUBLEVEL = 22 + EXTRAVERSION = + NAME = Remembering Coco + +diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c +index 0378328f47a7..a4127453baae 100644 +--- a/drivers/crypto/caam/caamhash.c ++++ b/drivers/crypto/caam/caamhash.c +@@ -1348,9 +1348,9 @@ static int ahash_update_first(struct ahash_request *req) + struct device *jrdev = ctx->jrdev; + gfp_t flags = (req->base.flags & (CRYPTO_TFM_REQ_MAY_BACKLOG | + CRYPTO_TFM_REQ_MAY_SLEEP)) ? GFP_KERNEL : GFP_ATOMIC; +- u8 *next_buf = state->buf_0 + state->current_buf * +- CAAM_MAX_HASH_BLOCK_SIZE; +- int *next_buflen = &state->buflen_0 + state->current_buf; ++ u8 *next_buf = state->current_buf ? state->buf_1 : state->buf_0; ++ int *next_buflen = state->current_buf ? ++ &state->buflen_1 : &state->buflen_0; + int to_hash; + u32 *sh_desc = ctx->sh_desc_update_first, *desc; + dma_addr_t ptr = ctx->sh_desc_update_first_dma; +diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c +index a95b322f0924..cc38948cf65d 100644 +--- a/drivers/net/bonding/bond_main.c ++++ b/drivers/net/bonding/bond_main.c +@@ -3624,8 +3624,14 @@ static int bond_xmit_roundrobin(struct sk_buff *skb, struct net_device *bond_dev + else + bond_xmit_slave_id(bond, skb, 0); + } else { +- slave_id = bond_rr_gen_slave_id(bond); +- bond_xmit_slave_id(bond, skb, slave_id % bond->slave_cnt); ++ int slave_cnt = ACCESS_ONCE(bond->slave_cnt); ++ ++ if (likely(slave_cnt)) { ++ slave_id = bond_rr_gen_slave_id(bond); ++ bond_xmit_slave_id(bond, skb, slave_id % slave_cnt); ++ } else { ++ dev_kfree_skb_any(skb); ++ } + } + + return NETDEV_TX_OK; +@@ -3656,8 +3662,13 @@ static int bond_xmit_activebackup(struct sk_buff *skb, struct net_device *bond_d + static int bond_xmit_xor(struct sk_buff *skb, struct net_device *bond_dev) + { + struct bonding *bond = netdev_priv(bond_dev); ++ int slave_cnt = ACCESS_ONCE(bond->slave_cnt); + +- bond_xmit_slave_id(bond, skb, bond_xmit_hash(bond, skb, bond->slave_cnt)); ++ if (likely(slave_cnt)) ++ bond_xmit_slave_id(bond, skb, ++ bond_xmit_hash(bond, skb, bond->slave_cnt)); ++ else ++ dev_kfree_skb_any(skb); + + return NETDEV_TX_OK; + } +diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c +index a210766279d3..9373f1f59605 100644 +--- a/drivers/net/ethernet/broadcom/tg3.c ++++ b/drivers/net/ethernet/broadcom/tg3.c +@@ -6923,7 +6923,8 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget) + skb->protocol = eth_type_trans(skb, tp->dev); + + if (len > (tp->dev->mtu + ETH_HLEN) && +- skb->protocol != htons(ETH_P_8021Q)) { ++ skb->protocol != htons(ETH_P_8021Q) && ++ skb->protocol != htons(ETH_P_8021AD)) { + dev_kfree_skb(skb); + goto drop_it_no_recycle; + } +@@ -7915,8 +7916,6 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) + + entry = tnapi->tx_prod; + base_flags = 0; +- if (skb->ip_summed == CHECKSUM_PARTIAL) +- base_flags |= TXD_FLAG_TCPUDP_CSUM; + + mss = skb_shinfo(skb)->gso_size; + if (mss) { +@@ -7932,6 +7931,13 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) + + hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb) - ETH_HLEN; + ++ /* HW/FW can not correctly segment packets that have been ++ * vlan encapsulated. ++ */ ++ if (skb->protocol == htons(ETH_P_8021Q) || ++ skb->protocol == htons(ETH_P_8021AD)) ++ return tg3_tso_bug(tp, skb); ++ + if (!skb_is_gso_v6(skb)) { + iph->check = 0; + iph->tot_len = htons(mss + hdr_len); +@@ -7978,6 +7984,17 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) + base_flags |= tsflags << 12; + } + } ++ } else if (skb->ip_summed == CHECKSUM_PARTIAL) { ++ /* HW/FW can not correctly checksum packets that have been ++ * vlan encapsulated. ++ */ ++ if (skb->protocol == htons(ETH_P_8021Q) || ++ skb->protocol == htons(ETH_P_8021AD)) { ++ if (skb_checksum_help(skb)) ++ goto drop; ++ } else { ++ base_flags |= TXD_FLAG_TCPUDP_CSUM; ++ } + } + + if (tg3_flag(tp, USE_JUMBO_BDFLAG) && +diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c +index d0c38e01e99f..0085476a0258 100644 +--- a/drivers/net/ethernet/cadence/macb.c ++++ b/drivers/net/ethernet/cadence/macb.c +@@ -30,7 +30,6 @@ + #include <linux/of_device.h> + #include <linux/of_mdio.h> + #include <linux/of_net.h> +-#include <linux/pinctrl/consumer.h> + + #include "macb.h" + +@@ -1810,7 +1809,6 @@ static int __init macb_probe(struct platform_device *pdev) + struct phy_device *phydev; + u32 config; + int err = -ENXIO; +- struct pinctrl *pinctrl; + const char *mac; + + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); +@@ -1819,15 +1817,6 @@ static int __init macb_probe(struct platform_device *pdev) + goto err_out; + } + +- pinctrl = devm_pinctrl_get_select_default(&pdev->dev); +- if (IS_ERR(pinctrl)) { +- err = PTR_ERR(pinctrl); +- if (err == -EPROBE_DEFER) +- goto err_out; +- +- dev_warn(&pdev->dev, "No pinctrl provided\n"); +- } +- + err = -ENOMEM; + dev = alloc_etherdev(sizeof(*bp)); + if (!dev) +diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c +index b901371ca361..5d3206d5cb07 100644 +--- a/drivers/net/ethernet/intel/i40e/i40e_main.c ++++ b/drivers/net/ethernet/intel/i40e/i40e_main.c +@@ -4024,6 +4024,9 @@ static int i40e_init_pf_dcb(struct i40e_pf *pf) + DCB_CAP_DCBX_VER_IEEE; + pf->flags |= I40E_FLAG_DCB_ENABLED; + } ++ } else { ++ dev_info(&pf->pdev->dev, "AQ Querying DCB configuration failed: %d\n", ++ pf->hw.aq.asq_last_status); + } + + out: +@@ -8003,7 +8006,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) + if (err) { + dev_info(&pdev->dev, "init_pf_dcb failed: %d\n", err); + pf->flags &= ~I40E_FLAG_DCB_ENABLED; +- goto err_init_dcb; ++ /* Continue without DCB enabled */ + } + #endif /* CONFIG_I40E_DCB */ + +@@ -8119,9 +8122,6 @@ err_vsis: + err_switch_setup: + i40e_reset_interrupt_capability(pf); + del_timer_sync(&pf->service_timer); +-#ifdef CONFIG_I40E_DCB +-err_init_dcb: +-#endif /* CONFIG_I40E_DCB */ + err_mac_addr: + err_configure_lan_hmc: + (void)i40e_shutdown_lan_hmc(hw); +diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +index 68026f7e8ba3..4a474dd9c910 100644 +--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c ++++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +@@ -872,6 +872,10 @@ static int myri10ge_dma_test(struct myri10ge_priv *mgp, int test_type) + return -ENOMEM; + dmatest_bus = pci_map_page(mgp->pdev, dmatest_page, 0, PAGE_SIZE, + DMA_BIDIRECTIONAL); ++ if (unlikely(pci_dma_mapping_error(mgp->pdev, dmatest_bus))) { ++ __free_page(dmatest_page); ++ return -ENOMEM; ++ } + + /* Run a small DMA test. + * The magic multipliers to the length tell the firmware +@@ -1293,6 +1297,7 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx, + int bytes, int watchdog) + { + struct page *page; ++ dma_addr_t bus; + int idx; + #if MYRI10GE_ALLOC_SIZE > 4096 + int end_offset; +@@ -1317,11 +1322,21 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx, + rx->watchdog_needed = 1; + return; + } ++ ++ bus = pci_map_page(mgp->pdev, page, 0, ++ MYRI10GE_ALLOC_SIZE, ++ PCI_DMA_FROMDEVICE); ++ if (unlikely(pci_dma_mapping_error(mgp->pdev, bus))) { ++ __free_pages(page, MYRI10GE_ALLOC_ORDER); ++ if (rx->fill_cnt - rx->cnt < 16) ++ rx->watchdog_needed = 1; ++ return; ++ } ++ + rx->page = page; + rx->page_offset = 0; +- rx->bus = pci_map_page(mgp->pdev, page, 0, +- MYRI10GE_ALLOC_SIZE, +- PCI_DMA_FROMDEVICE); ++ rx->bus = bus; ++ + } + rx->info[idx].page = rx->page; + rx->info[idx].page_offset = rx->page_offset; +@@ -2765,6 +2780,35 @@ myri10ge_submit_req(struct myri10ge_tx_buf *tx, struct mcp_kreq_ether_send *src, + mb(); + } + ++static void myri10ge_unmap_tx_dma(struct myri10ge_priv *mgp, ++ struct myri10ge_tx_buf *tx, int idx) ++{ ++ unsigned int len; ++ int last_idx; ++ ++ /* Free any DMA resources we've alloced and clear out the skb slot */ ++ last_idx = (idx + 1) & tx->mask; ++ idx = tx->req & tx->mask; ++ do { ++ len = dma_unmap_len(&tx->info[idx], len); ++ if (len) { ++ if (tx->info[idx].skb != NULL) ++ pci_unmap_single(mgp->pdev, ++ dma_unmap_addr(&tx->info[idx], ++ bus), len, ++ PCI_DMA_TODEVICE); ++ else ++ pci_unmap_page(mgp->pdev, ++ dma_unmap_addr(&tx->info[idx], ++ bus), len, ++ PCI_DMA_TODEVICE); ++ dma_unmap_len_set(&tx->info[idx], len, 0); ++ tx->info[idx].skb = NULL; ++ } ++ idx = (idx + 1) & tx->mask; ++ } while (idx != last_idx); ++} ++ + /* + * Transmit a packet. We need to split the packet so that a single + * segment does not cross myri10ge->tx_boundary, so this makes segment +@@ -2788,7 +2832,7 @@ static netdev_tx_t myri10ge_xmit(struct sk_buff *skb, + u32 low; + __be32 high_swapped; + unsigned int len; +- int idx, last_idx, avail, frag_cnt, frag_idx, count, mss, max_segments; ++ int idx, avail, frag_cnt, frag_idx, count, mss, max_segments; + u16 pseudo_hdr_offset, cksum_offset, queue; + int cum_len, seglen, boundary, rdma_count; + u8 flags, odd_flag; +@@ -2885,9 +2929,12 @@ again: + + /* map the skb for DMA */ + len = skb_headlen(skb); ++ bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE); ++ if (unlikely(pci_dma_mapping_error(mgp->pdev, bus))) ++ goto drop; ++ + idx = tx->req & tx->mask; + tx->info[idx].skb = skb; +- bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE); + dma_unmap_addr_set(&tx->info[idx], bus, bus); + dma_unmap_len_set(&tx->info[idx], len, len); + +@@ -2986,12 +3033,16 @@ again: + break; + + /* map next fragment for DMA */ +- idx = (count + tx->req) & tx->mask; + frag = &skb_shinfo(skb)->frags[frag_idx]; + frag_idx++; + len = skb_frag_size(frag); + bus = skb_frag_dma_map(&mgp->pdev->dev, frag, 0, len, + DMA_TO_DEVICE); ++ if (unlikely(pci_dma_mapping_error(mgp->pdev, bus))) { ++ myri10ge_unmap_tx_dma(mgp, tx, idx); ++ goto drop; ++ } ++ idx = (count + tx->req) & tx->mask; + dma_unmap_addr_set(&tx->info[idx], bus, bus); + dma_unmap_len_set(&tx->info[idx], len, len); + } +@@ -3022,31 +3073,8 @@ again: + return NETDEV_TX_OK; + + abort_linearize: +- /* Free any DMA resources we've alloced and clear out the skb +- * slot so as to not trip up assertions, and to avoid a +- * double-free if linearizing fails */ ++ myri10ge_unmap_tx_dma(mgp, tx, idx); + +- last_idx = (idx + 1) & tx->mask; +- idx = tx->req & tx->mask; +- tx->info[idx].skb = NULL; +- do { +- len = dma_unmap_len(&tx->info[idx], len); +- if (len) { +- if (tx->info[idx].skb != NULL) +- pci_unmap_single(mgp->pdev, +- dma_unmap_addr(&tx->info[idx], +- bus), len, +- PCI_DMA_TODEVICE); +- else +- pci_unmap_page(mgp->pdev, +- dma_unmap_addr(&tx->info[idx], +- bus), len, +- PCI_DMA_TODEVICE); +- dma_unmap_len_set(&tx->info[idx], len, 0); +- tx->info[idx].skb = NULL; +- } +- idx = (idx + 1) & tx->mask; +- } while (idx != last_idx); + if (skb_is_gso(skb)) { + netdev_err(mgp->dev, "TSO but wanted to linearize?!?!?\n"); + goto drop; +diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c +index d6fce9750b95..3c1c33ceffba 100644 +--- a/drivers/net/hyperv/netvsc_drv.c ++++ b/drivers/net/hyperv/netvsc_drv.c +@@ -146,6 +146,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) + struct hv_netvsc_packet *packet; + int ret; + unsigned int i, num_pages, npg_data; ++ u32 skb_length = skb->len; + + /* Add multipages for skb->data and additional 2 for RNDIS */ + npg_data = (((unsigned long)skb->data + skb_headlen(skb) - 1) +@@ -216,7 +217,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) + ret = rndis_filter_send(net_device_ctx->device_ctx, + packet); + if (ret == 0) { +- net->stats.tx_bytes += skb->len; ++ net->stats.tx_bytes += skb_length; + net->stats.tx_packets++; + } else { + kfree(packet); +diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c +index 7f1abb7c18f2..fbf7dcdc22b0 100644 +--- a/drivers/net/macvlan.c ++++ b/drivers/net/macvlan.c +@@ -709,6 +709,7 @@ static netdev_features_t macvlan_fix_features(struct net_device *dev, + features, + mask); + features |= ALWAYS_ON_FEATURES; ++ features &= ~NETIF_F_NETNS_LOCAL; + + return features; + } +diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c +index 3381c4f91a8c..0c6adaaf898c 100644 +--- a/drivers/net/macvtap.c ++++ b/drivers/net/macvtap.c +@@ -112,17 +112,15 @@ out: + return err; + } + ++/* Requires RTNL */ + static int macvtap_set_queue(struct net_device *dev, struct file *file, + struct macvtap_queue *q) + { + struct macvlan_dev *vlan = netdev_priv(dev); +- int err = -EBUSY; + +- rtnl_lock(); + if (vlan->numqueues == MAX_MACVTAP_QUEUES) +- goto out; ++ return -EBUSY; + +- err = 0; + rcu_assign_pointer(q->vlan, vlan); + rcu_assign_pointer(vlan->taps[vlan->numvtaps], q); + sock_hold(&q->sk); +@@ -136,9 +134,7 @@ static int macvtap_set_queue(struct net_device *dev, struct file *file, + vlan->numvtaps++; + vlan->numqueues++; + +-out: +- rtnl_unlock(); +- return err; ++ return 0; + } + + static int macvtap_disable_queue(struct macvtap_queue *q) +@@ -454,11 +450,12 @@ static void macvtap_sock_destruct(struct sock *sk) + static int macvtap_open(struct inode *inode, struct file *file) + { + struct net *net = current->nsproxy->net_ns; +- struct net_device *dev = dev_get_by_macvtap_minor(iminor(inode)); ++ struct net_device *dev; + struct macvtap_queue *q; +- int err; ++ int err = -ENODEV; + +- err = -ENODEV; ++ rtnl_lock(); ++ dev = dev_get_by_macvtap_minor(iminor(inode)); + if (!dev) + goto out; + +@@ -498,6 +495,7 @@ out: + if (dev) + dev_put(dev); + ++ rtnl_unlock(); + return err; + } + +diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c +index 26d8c29b59de..979fe433278c 100644 +--- a/drivers/net/team/team.c ++++ b/drivers/net/team/team.c +@@ -647,7 +647,7 @@ static void team_notify_peers(struct team *team) + { + if (!team->notify_peers.count || !netif_running(team->dev)) + return; +- atomic_set(&team->notify_peers.count_pending, team->notify_peers.count); ++ atomic_add(team->notify_peers.count, &team->notify_peers.count_pending); + schedule_delayed_work(&team->notify_peers.dw, 0); + } + +@@ -687,7 +687,7 @@ static void team_mcast_rejoin(struct team *team) + { + if (!team->mcast_rejoin.count || !netif_running(team->dev)) + return; +- atomic_set(&team->mcast_rejoin.count_pending, team->mcast_rejoin.count); ++ atomic_add(team->mcast_rejoin.count, &team->mcast_rejoin.count_pending); + schedule_delayed_work(&team->mcast_rejoin.dw, 0); + } + +diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c +index 40ad25d7f28b..9b40532041cb 100644 +--- a/drivers/net/vxlan.c ++++ b/drivers/net/vxlan.c +@@ -1334,7 +1334,7 @@ static int arp_reduce(struct net_device *dev, struct sk_buff *skb) + } else if (vxlan->flags & VXLAN_F_L3MISS) { + union vxlan_addr ipa = { + .sin.sin_addr.s_addr = tip, +- .sa.sa_family = AF_INET, ++ .sin.sin_family = AF_INET, + }; + + vxlan_ip_miss(dev, &ipa); +@@ -1495,7 +1495,7 @@ static int neigh_reduce(struct net_device *dev, struct sk_buff *skb) + } else if (vxlan->flags & VXLAN_F_L3MISS) { + union vxlan_addr ipa = { + .sin6.sin6_addr = msg->target, +- .sa.sa_family = AF_INET6, ++ .sin6.sin6_family = AF_INET6, + }; + + vxlan_ip_miss(dev, &ipa); +@@ -1528,7 +1528,7 @@ static bool route_shortcircuit(struct net_device *dev, struct sk_buff *skb) + if (!n && (vxlan->flags & VXLAN_F_L3MISS)) { + union vxlan_addr ipa = { + .sin.sin_addr.s_addr = pip->daddr, +- .sa.sa_family = AF_INET, ++ .sin.sin_family = AF_INET, + }; + + vxlan_ip_miss(dev, &ipa); +@@ -1549,7 +1549,7 @@ static bool route_shortcircuit(struct net_device *dev, struct sk_buff *skb) + if (!n && (vxlan->flags & VXLAN_F_L3MISS)) { + union vxlan_addr ipa = { + .sin6.sin6_addr = pip6->daddr, +- .sa.sa_family = AF_INET6, ++ .sin6.sin6_family = AF_INET6, + }; + + vxlan_ip_miss(dev, &ipa); +diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c +index 0ff3e3624d4c..feda34404ed0 100644 +--- a/drivers/tty/serial/8250/8250_pci.c ++++ b/drivers/tty/serial/8250/8250_pci.c +@@ -1766,6 +1766,7 @@ pci_wch_ch353_setup(struct serial_private *priv, + #define PCI_DEVICE_ID_COMMTECH_4222PCIE 0x0022 + #define PCI_DEVICE_ID_BROADCOM_TRUMANAGE 0x160a + #define PCI_DEVICE_ID_AMCC_ADDIDATA_APCI7800 0x818e ++#define PCI_DEVICE_ID_INTEL_QRK_UART 0x0936 + + #define PCI_VENDOR_ID_SUNIX 0x1fd4 + #define PCI_DEVICE_ID_SUNIX_1999 0x1999 +@@ -1876,6 +1877,13 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { + .subdevice = PCI_ANY_ID, + .setup = byt_serial_setup, + }, ++ { ++ .vendor = PCI_VENDOR_ID_INTEL, ++ .device = PCI_DEVICE_ID_INTEL_QRK_UART, ++ .subvendor = PCI_ANY_ID, ++ .subdevice = PCI_ANY_ID, ++ .setup = pci_default_setup, ++ }, + /* + * ITE + */ +@@ -2710,6 +2718,7 @@ enum pci_board_num_t { + pbn_ADDIDATA_PCIe_8_3906250, + pbn_ce4100_1_115200, + pbn_byt, ++ pbn_qrk, + pbn_omegapci, + pbn_NETMOS9900_2s_115200, + pbn_brcm_trumanage, +@@ -3456,6 +3465,12 @@ static struct pciserial_board pci_boards[] = { + .uart_offset = 0x80, + .reg_shift = 2, + }, ++ [pbn_qrk] = { ++ .flags = FL_BASE0, ++ .num_ports = 1, ++ .base_baud = 2764800, ++ .reg_shift = 2, ++ }, + [pbn_omegapci] = { + .flags = FL_BASE0, + .num_ports = 8, +@@ -5150,6 +5165,12 @@ static struct pci_device_id serial_pci_tbl[] = { + pbn_byt }, + + /* ++ * Intel Quark x1000 ++ */ ++ { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_QRK_UART, ++ PCI_ANY_ID, PCI_ANY_ID, 0, 0, ++ pbn_qrk }, ++ /* + * Cronyx Omega PCI + */ + { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_CRONYX_OMEGA, +diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c +index 263612ce1f62..445d62a4316a 100644 +--- a/drivers/usb/core/hub.c ++++ b/drivers/usb/core/hub.c +@@ -1948,8 +1948,10 @@ void usb_set_device_state(struct usb_device *udev, + || new_state == USB_STATE_SUSPENDED) + ; /* No change to wakeup settings */ + else if (new_state == USB_STATE_CONFIGURED) +- wakeup = udev->actconfig->desc.bmAttributes +- & USB_CONFIG_ATT_WAKEUP; ++ wakeup = (udev->quirks & ++ USB_QUIRK_IGNORE_REMOTE_WAKEUP) ? 0 : ++ udev->actconfig->desc.bmAttributes & ++ USB_CONFIG_ATT_WAKEUP; + else + wakeup = 0; + } +diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c +index 739ee8e8bdfd..5144d11d032c 100644 +--- a/drivers/usb/core/quirks.c ++++ b/drivers/usb/core/quirks.c +@@ -160,6 +160,10 @@ static const struct usb_device_id usb_interface_quirk_list[] = { + { USB_VENDOR_AND_INTERFACE_INFO(0x046d, USB_CLASS_VIDEO, 1, 0), + .driver_info = USB_QUIRK_RESET_RESUME }, + ++ /* ASUS Base Station(T100) */ ++ { USB_DEVICE(0x0b05, 0x17e0), .driver_info = ++ USB_QUIRK_IGNORE_REMOTE_WAKEUP }, ++ + { } /* terminating entry must be last */ + }; + +diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c +index 7a109eae9b9a..85f5215871de 100644 +--- a/drivers/usb/musb/musb_dsps.c ++++ b/drivers/usb/musb/musb_dsps.c +@@ -707,6 +707,7 @@ static int dsps_suspend(struct device *dev) + struct musb *musb = platform_get_drvdata(glue->musb); + void __iomem *mbase = musb->ctrl_base; + ++ del_timer_sync(&glue->timer); + glue->context.control = dsps_readl(mbase, wrp->control); + glue->context.epintr = dsps_readl(mbase, wrp->epintr_set); + glue->context.coreintr = dsps_readl(mbase, wrp->coreintr_set); +@@ -732,6 +733,7 @@ static int dsps_resume(struct device *dev) + dsps_writel(mbase, wrp->mode, glue->context.mode); + dsps_writel(mbase, wrp->tx_mode, glue->context.tx_mode); + dsps_writel(mbase, wrp->rx_mode, glue->context.rx_mode); ++ setup_timer(&glue->timer, otg_timer, (unsigned long) musb); + + return 0; + } +diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c +index 330df5ce435b..63b2af2a87c0 100644 +--- a/drivers/usb/serial/cp210x.c ++++ b/drivers/usb/serial/cp210x.c +@@ -122,6 +122,7 @@ static const struct usb_device_id id_table[] = { + { USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */ + { USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */ + { USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */ ++ { USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */ + { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ + { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */ + { USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */ +@@ -155,6 +156,7 @@ static const struct usb_device_id id_table[] = { + { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */ + { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */ + { USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */ ++ { USB_DEVICE(0x1D6F, 0x0010) }, /* Seluxit ApS RF Dongle */ + { USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */ + { USB_DEVICE(0x1E29, 0x0501) }, /* Festo CMSP */ + { USB_DEVICE(0x1FB9, 0x0100) }, /* Lake Shore Model 121 Current Source */ +diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h +index 72ba6f5cbc8d..2abe67bd4df8 100644 +--- a/include/linux/if_vlan.h ++++ b/include/linux/if_vlan.h +@@ -186,7 +186,6 @@ vlan_dev_get_egress_qos_mask(struct net_device *dev, u32 skprio) + } + + extern bool vlan_do_receive(struct sk_buff **skb); +-extern struct sk_buff *vlan_untag(struct sk_buff *skb); + + extern int vlan_vid_add(struct net_device *dev, __be16 proto, u16 vid); + extern void vlan_vid_del(struct net_device *dev, __be16 proto, u16 vid); +@@ -228,11 +227,6 @@ static inline bool vlan_do_receive(struct sk_buff **skb) + return false; + } + +-static inline struct sk_buff *vlan_untag(struct sk_buff *skb) +-{ +- return skb; +-} +- + static inline int vlan_vid_add(struct net_device *dev, __be16 proto, u16 vid) + { + return 0; +diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h +index 15ede6a823a6..ad8f85908a56 100644 +--- a/include/linux/skbuff.h ++++ b/include/linux/skbuff.h +@@ -2458,6 +2458,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen); + void skb_scrub_packet(struct sk_buff *skb, bool xnet); + unsigned int skb_gso_transport_seglen(const struct sk_buff *skb); + struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features); ++struct sk_buff *skb_vlan_untag(struct sk_buff *skb); + + struct skb_checksum_ops { + __wsum (*update)(const void *mem, int len, __wsum wsum); +diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h +index 52f944dfe2fd..49587dc22f5d 100644 +--- a/include/linux/usb/quirks.h ++++ b/include/linux/usb/quirks.h +@@ -30,4 +30,7 @@ + descriptor */ + #define USB_QUIRK_DELAY_INIT 0x00000040 + ++/* device generates spurious wakeup, ignore remote wakeup capability */ ++#define USB_QUIRK_IGNORE_REMOTE_WAKEUP 0x00000200 ++ + #endif /* __LINUX_USB_QUIRKS_H */ +diff --git a/include/net/dst.h b/include/net/dst.h +index 77eb53fabfb0..909032821c37 100644 +--- a/include/net/dst.h ++++ b/include/net/dst.h +@@ -466,6 +466,7 @@ void dst_init(void); + /* Flags for xfrm_lookup flags argument. */ + enum { + XFRM_LOOKUP_ICMP = 1 << 0, ++ XFRM_LOOKUP_QUEUE = 1 << 1, + }; + + struct flowi; +@@ -476,7 +477,16 @@ static inline struct dst_entry *xfrm_lookup(struct net *net, + int flags) + { + return dst_orig; +-} ++} ++ ++static inline struct dst_entry *xfrm_lookup_route(struct net *net, ++ struct dst_entry *dst_orig, ++ const struct flowi *fl, ++ struct sock *sk, ++ int flags) ++{ ++ return dst_orig; ++} + + static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst) + { +@@ -488,6 +498,10 @@ struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig, + const struct flowi *fl, struct sock *sk, + int flags); + ++struct dst_entry *xfrm_lookup_route(struct net *net, struct dst_entry *dst_orig, ++ const struct flowi *fl, struct sock *sk, ++ int flags); ++ + /* skb attached with this dst needs transformation if dst->xfrm is valid */ + static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst) + { +diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h +index c55aeed41ace..cf9272807788 100644 +--- a/include/net/inet_connection_sock.h ++++ b/include/net/inet_connection_sock.h +@@ -62,6 +62,7 @@ struct inet_connection_sock_af_ops { + void (*addr2sockaddr)(struct sock *sk, struct sockaddr *); + int (*bind_conflict)(const struct sock *sk, + const struct inet_bind_bucket *tb, bool relax); ++ void (*mtu_reduced)(struct sock *sk); + }; + + /** inet_connection_sock - INET connection oriented sock +diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h +index 4b7cd695e431..cfcbc3f627bd 100644 +--- a/include/net/sctp/command.h ++++ b/include/net/sctp/command.h +@@ -115,7 +115,7 @@ typedef enum { + * analysis of the state functions, but in reality just taken from + * thin air in the hopes othat we don't trigger a kernel panic. + */ +-#define SCTP_MAX_NUM_COMMANDS 14 ++#define SCTP_MAX_NUM_COMMANDS 20 + + typedef union { + __s32 i32; +diff --git a/include/net/sock.h b/include/net/sock.h +index 2f7bc435c93d..f66b2b19a6e4 100644 +--- a/include/net/sock.h ++++ b/include/net/sock.h +@@ -969,7 +969,6 @@ struct proto { + struct sk_buff *skb); + + void (*release_cb)(struct sock *sk); +- void (*mtu_reduced)(struct sock *sk); + + /* Keeping track of sk's, looking them up, and port selection methods. */ + void (*hash)(struct sock *sk); +diff --git a/include/net/tcp.h b/include/net/tcp.h +index 743accec6c76..1f0d8479e15f 100644 +--- a/include/net/tcp.h ++++ b/include/net/tcp.h +@@ -453,6 +453,7 @@ const u8 *tcp_parse_md5sig_option(const struct tcphdr *th); + */ + + void tcp_v4_send_check(struct sock *sk, struct sk_buff *skb); ++void tcp_v4_mtu_reduced(struct sock *sk); + int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb); + struct sock *tcp_create_openreq_child(struct sock *sk, + struct request_sock *req, +@@ -720,8 +721,10 @@ struct tcp_skb_cb { + #define TCPCB_SACKED_RETRANS 0x02 /* SKB retransmitted */ + #define TCPCB_LOST 0x04 /* SKB is lost */ + #define TCPCB_TAGBITS 0x07 /* All tag bits */ ++#define TCPCB_REPAIRED 0x10 /* SKB repaired (no skb_mstamp) */ + #define TCPCB_EVER_RETRANS 0x80 /* Ever retransmitted frame */ +-#define TCPCB_RETRANS (TCPCB_SACKED_RETRANS|TCPCB_EVER_RETRANS) ++#define TCPCB_RETRANS (TCPCB_SACKED_RETRANS|TCPCB_EVER_RETRANS| \ ++ TCPCB_REPAIRED) + + __u8 ip_dsfield; /* IPv4 tos or IPv6 dsfield */ + /* 1 byte hole */ +diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c +index 7e57135c7cc4..5d56e05d83dd 100644 +--- a/net/8021q/vlan_core.c ++++ b/net/8021q/vlan_core.c +@@ -106,59 +106,6 @@ u16 vlan_dev_vlan_id(const struct net_device *dev) + } + EXPORT_SYMBOL(vlan_dev_vlan_id); + +-static struct sk_buff *vlan_reorder_header(struct sk_buff *skb) +-{ +- if (skb_cow(skb, skb_headroom(skb)) < 0) { +- kfree_skb(skb); +- return NULL; +- } +- +- memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN); +- skb->mac_header += VLAN_HLEN; +- return skb; +-} +- +-struct sk_buff *vlan_untag(struct sk_buff *skb) +-{ +- struct vlan_hdr *vhdr; +- u16 vlan_tci; +- +- if (unlikely(vlan_tx_tag_present(skb))) { +- /* vlan_tci is already set-up so leave this for another time */ +- return skb; +- } +- +- skb = skb_share_check(skb, GFP_ATOMIC); +- if (unlikely(!skb)) +- goto err_free; +- +- if (unlikely(!pskb_may_pull(skb, VLAN_HLEN))) +- goto err_free; +- +- vhdr = (struct vlan_hdr *) skb->data; +- vlan_tci = ntohs(vhdr->h_vlan_TCI); +- __vlan_hwaccel_put_tag(skb, skb->protocol, vlan_tci); +- +- skb_pull_rcsum(skb, VLAN_HLEN); +- vlan_set_encap_proto(skb, vhdr); +- +- skb = vlan_reorder_header(skb); +- if (unlikely(!skb)) +- goto err_free; +- +- skb_reset_network_header(skb); +- skb_reset_transport_header(skb); +- skb_reset_mac_len(skb); +- +- return skb; +- +-err_free: +- kfree_skb(skb); +- return NULL; +-} +-EXPORT_SYMBOL(vlan_untag); +- +- + /* + * vlan info and vid list + */ +diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h +index f2d254b69353..4acfc3eef56a 100644 +--- a/net/bridge/br_private.h ++++ b/net/bridge/br_private.h +@@ -302,6 +302,9 @@ struct br_input_skb_cb { + int igmp; + int mrouters_only; + #endif ++#ifdef CONFIG_BRIDGE_VLAN_FILTERING ++ bool vlan_filtered; ++#endif + }; + + #define BR_INPUT_SKB_CB(__skb) ((struct br_input_skb_cb *)(__skb)->cb) +diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c +index b1c637208497..e1bd2539f9dc 100644 +--- a/net/bridge/br_vlan.c ++++ b/net/bridge/br_vlan.c +@@ -125,7 +125,8 @@ struct sk_buff *br_handle_vlan(struct net_bridge *br, + { + u16 vid; + +- if (!br->vlan_enabled) ++ /* If this packet was not filtered at input, let it pass */ ++ if (!BR_INPUT_SKB_CB(skb)->vlan_filtered) + goto out; + + /* Vlan filter table must be configured at this point. The +@@ -163,8 +164,10 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v, + /* If VLAN filtering is disabled on the bridge, all packets are + * permitted. + */ +- if (!br->vlan_enabled) ++ if (!br->vlan_enabled) { ++ BR_INPUT_SKB_CB(skb)->vlan_filtered = false; + return true; ++ } + + /* If there are no vlan in the permitted list, all packets are + * rejected. +@@ -172,6 +175,8 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v, + if (!v) + goto drop; + ++ BR_INPUT_SKB_CB(skb)->vlan_filtered = true; ++ + /* If vlan tx offload is disabled on bridge device and frame was + * sent from vlan device on the bridge device, it does not have + * HW accelerated vlan tag. +@@ -179,7 +184,7 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v, + if (unlikely(!vlan_tx_tag_present(skb) && + (skb->protocol == htons(ETH_P_8021Q) || + skb->protocol == htons(ETH_P_8021AD)))) { +- skb = vlan_untag(skb); ++ skb = skb_vlan_untag(skb); + if (unlikely(!skb)) + return false; + } +@@ -228,7 +233,8 @@ bool br_allowed_egress(struct net_bridge *br, + { + u16 vid; + +- if (!br->vlan_enabled) ++ /* If this packet was not filtered at input, let it pass */ ++ if (!BR_INPUT_SKB_CB(skb)->vlan_filtered) + return true; + + if (!v) +@@ -247,6 +253,7 @@ bool br_should_learn(struct net_bridge_port *p, struct sk_buff *skb, u16 *vid) + struct net_bridge *br = p->br; + struct net_port_vlans *v; + ++ /* If filtering was disabled at input, let it pass. */ + if (!br->vlan_enabled) + return true; + +diff --git a/net/core/dev.c b/net/core/dev.c +index 37bddf729e77..3ed11a555834 100644 +--- a/net/core/dev.c ++++ b/net/core/dev.c +@@ -3554,7 +3554,7 @@ another_round: + + if (skb->protocol == cpu_to_be16(ETH_P_8021Q) || + skb->protocol == cpu_to_be16(ETH_P_8021AD)) { +- skb = vlan_untag(skb); ++ skb = skb_vlan_untag(skb); + if (unlikely(!skb)) + goto unlock; + } +diff --git a/net/core/netpoll.c b/net/core/netpoll.c +index df9e6b1a9759..723fa7da8025 100644 +--- a/net/core/netpoll.c ++++ b/net/core/netpoll.c +@@ -788,7 +788,7 @@ int __netpoll_rx(struct sk_buff *skb, struct netpoll_info *npinfo) + } + + if (skb->protocol == cpu_to_be16(ETH_P_8021Q)) { +- skb = vlan_untag(skb); ++ skb = skb_vlan_untag(skb); + if (unlikely(!skb)) + goto out; + } +diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c +index aef1500ebc05..b0db904f083d 100644 +--- a/net/core/rtnetlink.c ++++ b/net/core/rtnetlink.c +@@ -799,7 +799,8 @@ static inline int rtnl_vfinfo_size(const struct net_device *dev, + (nla_total_size(sizeof(struct ifla_vf_mac)) + + nla_total_size(sizeof(struct ifla_vf_vlan)) + + nla_total_size(sizeof(struct ifla_vf_tx_rate)) + +- nla_total_size(sizeof(struct ifla_vf_spoofchk))); ++ nla_total_size(sizeof(struct ifla_vf_spoofchk)) + ++ nla_total_size(sizeof(struct ifla_vf_link_state))); + return size; + } else + return 0; +diff --git a/net/core/skbuff.c b/net/core/skbuff.c +index 8f6391bbf509..baf6fc457df9 100644 +--- a/net/core/skbuff.c ++++ b/net/core/skbuff.c +@@ -62,6 +62,7 @@ + #include <linux/scatterlist.h> + #include <linux/errqueue.h> + #include <linux/prefetch.h> ++#include <linux/if_vlan.h> + + #include <net/protocol.h> + #include <net/dst.h> +@@ -3139,6 +3140,9 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) + NAPI_GRO_CB(skb)->free = NAPI_GRO_FREE_STOLEN_HEAD; + goto done; + } ++ /* switch back to head shinfo */ ++ pinfo = skb_shinfo(p); ++ + if (pinfo->frag_list) + goto merge; + if (skb_gro_len(p) != pinfo->gso_size) +@@ -3963,3 +3967,55 @@ unsigned int skb_gso_transport_seglen(const struct sk_buff *skb) + return shinfo->gso_size; + } + EXPORT_SYMBOL_GPL(skb_gso_transport_seglen); ++ ++static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb) ++{ ++ if (skb_cow(skb, skb_headroom(skb)) < 0) { ++ kfree_skb(skb); ++ return NULL; ++ } ++ ++ memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN); ++ skb->mac_header += VLAN_HLEN; ++ return skb; ++} ++ ++struct sk_buff *skb_vlan_untag(struct sk_buff *skb) ++{ ++ struct vlan_hdr *vhdr; ++ u16 vlan_tci; ++ ++ if (unlikely(vlan_tx_tag_present(skb))) { ++ /* vlan_tci is already set-up so leave this for another time */ ++ return skb; ++ } ++ ++ skb = skb_share_check(skb, GFP_ATOMIC); ++ if (unlikely(!skb)) ++ goto err_free; ++ ++ if (unlikely(!pskb_may_pull(skb, VLAN_HLEN))) ++ goto err_free; ++ ++ vhdr = (struct vlan_hdr *)skb->data; ++ vlan_tci = ntohs(vhdr->h_vlan_TCI); ++ __vlan_hwaccel_put_tag(skb, skb->protocol, vlan_tci); ++ ++ skb_pull_rcsum(skb, VLAN_HLEN); ++ vlan_set_encap_proto(skb, vhdr); ++ ++ skb = skb_reorder_vlan_header(skb); ++ if (unlikely(!skb)) ++ goto err_free; ++ ++ skb_reset_network_header(skb); ++ skb_reset_transport_header(skb); ++ skb_reset_mac_len(skb); ++ ++ return skb; ++ ++err_free: ++ kfree_skb(skb); ++ return NULL; ++} ++EXPORT_SYMBOL(skb_vlan_untag); +diff --git a/net/ipv4/route.c b/net/ipv4/route.c +index ca5a01ed8ed6..487bb6252520 100644 +--- a/net/ipv4/route.c ++++ b/net/ipv4/route.c +@@ -2268,9 +2268,9 @@ struct rtable *ip_route_output_flow(struct net *net, struct flowi4 *flp4, + return rt; + + if (flp4->flowi4_proto) +- rt = (struct rtable *) xfrm_lookup(net, &rt->dst, +- flowi4_to_flowi(flp4), +- sk, 0); ++ rt = (struct rtable *)xfrm_lookup_route(net, &rt->dst, ++ flowi4_to_flowi(flp4), ++ sk, 0); + + return rt; + } +diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c +index b48fba0aaa92..f7d71ec72a47 100644 +--- a/net/ipv4/tcp.c ++++ b/net/ipv4/tcp.c +@@ -1175,13 +1175,6 @@ new_segment: + goto wait_for_memory; + + /* +- * All packets are restored as if they have +- * already been sent. +- */ +- if (tp->repair) +- TCP_SKB_CB(skb)->when = tcp_time_stamp; +- +- /* + * Check whether we can use HW checksum. + */ + if (sk->sk_route_caps & NETIF_F_ALL_CSUM) +@@ -1190,6 +1183,13 @@ new_segment: + skb_entail(sk, skb); + copy = size_goal; + max = size_goal; ++ ++ /* All packets are restored as if they have ++ * already been sent. skb_mstamp isn't set to ++ * avoid wrong rtt estimation. ++ */ ++ if (tp->repair) ++ TCP_SKB_CB(skb)->sacked |= TCPCB_REPAIRED; + } + + /* Try to append data to the end of skb. */ +diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c +index 3898694d0300..22917918fa80 100644 +--- a/net/ipv4/tcp_input.c ++++ b/net/ipv4/tcp_input.c +@@ -2678,7 +2678,6 @@ static void tcp_enter_recovery(struct sock *sk, bool ece_ack) + */ + static void tcp_process_loss(struct sock *sk, int flag, bool is_dupack) + { +- struct inet_connection_sock *icsk = inet_csk(sk); + struct tcp_sock *tp = tcp_sk(sk); + bool recovered = !before(tp->snd_una, tp->high_seq); + +@@ -2704,12 +2703,9 @@ static void tcp_process_loss(struct sock *sk, int flag, bool is_dupack) + + if (recovered) { + /* F-RTO RFC5682 sec 3.1 step 2.a and 1st part of step 3.a */ +- icsk->icsk_retransmits = 0; + tcp_try_undo_recovery(sk); + return; + } +- if (flag & FLAG_DATA_ACKED) +- icsk->icsk_retransmits = 0; + if (tcp_is_reno(tp)) { + /* A Reno DUPACK means new data in F-RTO step 2.b above are + * delivered. Lower inflight to clock out (re)tranmissions. +@@ -3398,8 +3394,10 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag) + icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) + tcp_rearm_rto(sk); + +- if (after(ack, prior_snd_una)) ++ if (after(ack, prior_snd_una)) { + flag |= FLAG_SND_UNA_ADVANCED; ++ icsk->icsk_retransmits = 0; ++ } + + prior_fackets = tp->fackets_out; + prior_in_flight = tcp_packets_in_flight(tp); +diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c +index 1e4eac779f51..a782d5be132e 100644 +--- a/net/ipv4/tcp_ipv4.c ++++ b/net/ipv4/tcp_ipv4.c +@@ -269,7 +269,7 @@ EXPORT_SYMBOL(tcp_v4_connect); + * It can be called through tcp_release_cb() if socket was owned by user + * at the time tcp_v4_err() was called to handle ICMP message. + */ +-static void tcp_v4_mtu_reduced(struct sock *sk) ++void tcp_v4_mtu_reduced(struct sock *sk) + { + struct dst_entry *dst; + struct inet_sock *inet = inet_sk(sk); +@@ -300,6 +300,7 @@ static void tcp_v4_mtu_reduced(struct sock *sk) + tcp_simple_retransmit(sk); + } /* else let the usual retransmit timer handle it */ + } ++EXPORT_SYMBOL(tcp_v4_mtu_reduced); + + static void do_redirect(struct sk_buff *skb, struct sock *sk) + { +@@ -2117,6 +2118,7 @@ const struct inet_connection_sock_af_ops ipv4_specific = { + .compat_setsockopt = compat_ip_setsockopt, + .compat_getsockopt = compat_ip_getsockopt, + #endif ++ .mtu_reduced = tcp_v4_mtu_reduced, + }; + EXPORT_SYMBOL(ipv4_specific); + +@@ -2736,7 +2738,6 @@ struct proto tcp_prot = { + .sendpage = tcp_sendpage, + .backlog_rcv = tcp_v4_do_rcv, + .release_cb = tcp_release_cb, +- .mtu_reduced = tcp_v4_mtu_reduced, + .hash = inet_hash, + .unhash = inet_unhash, + .get_port = inet_csk_get_port, +diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c +index b3d1addd816b..91b98e5a17aa 100644 +--- a/net/ipv4/tcp_output.c ++++ b/net/ipv4/tcp_output.c +@@ -787,7 +787,7 @@ void tcp_release_cb(struct sock *sk) + __sock_put(sk); + } + if (flags & (1UL << TCP_MTU_REDUCED_DEFERRED)) { +- sk->sk_prot->mtu_reduced(sk); ++ inet_csk(sk)->icsk_af_ops->mtu_reduced(sk); + __sock_put(sk); + } + } +@@ -1876,8 +1876,11 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, + tso_segs = tcp_init_tso_segs(sk, skb, mss_now); + BUG_ON(!tso_segs); + +- if (unlikely(tp->repair) && tp->repair_queue == TCP_SEND_QUEUE) ++ if (unlikely(tp->repair) && tp->repair_queue == TCP_SEND_QUEUE) { ++ /* "when" is used as a start point for the retransmit timer */ ++ TCP_SKB_CB(skb)->when = tcp_time_stamp; + goto repair; /* Skip network transmission */ ++ } + + cwnd_quota = tcp_cwnd_test(tp, skb); + if (!cwnd_quota) { +@@ -2066,9 +2069,7 @@ void tcp_send_loss_probe(struct sock *sk) + if (WARN_ON(!skb || !tcp_skb_pcount(skb))) + goto rearm_timer; + +- /* Probe with zero data doesn't trigger fast recovery. */ +- if (skb->len > 0) +- err = __tcp_retransmit_skb(sk, skb); ++ err = __tcp_retransmit_skb(sk, skb); + + /* Record snd_nxt for loss detection. */ + if (likely(!err)) +diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c +index 6c7fa0853fc7..3f0ec063d7f8 100644 +--- a/net/ipv6/addrconf.c ++++ b/net/ipv6/addrconf.c +@@ -1684,14 +1684,12 @@ void addrconf_dad_failure(struct inet6_ifaddr *ifp) + addrconf_mod_dad_work(ifp, 0); + } + +-/* Join to solicited addr multicast group. */ +- ++/* Join to solicited addr multicast group. ++ * caller must hold RTNL */ + void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr) + { + struct in6_addr maddr; + +- ASSERT_RTNL(); +- + if (dev->flags&(IFF_LOOPBACK|IFF_NOARP)) + return; + +@@ -1699,12 +1697,11 @@ void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr) + ipv6_dev_mc_inc(dev, &maddr); + } + ++/* caller must hold RTNL */ + void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr) + { + struct in6_addr maddr; + +- ASSERT_RTNL(); +- + if (idev->dev->flags&(IFF_LOOPBACK|IFF_NOARP)) + return; + +@@ -1712,12 +1709,11 @@ void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr) + __ipv6_dev_mc_dec(idev, &maddr); + } + ++/* caller must hold RTNL */ + static void addrconf_join_anycast(struct inet6_ifaddr *ifp) + { + struct in6_addr addr; + +- ASSERT_RTNL(); +- + if (ifp->prefix_len >= 127) /* RFC 6164 */ + return; + ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); +@@ -1726,12 +1722,11 @@ static void addrconf_join_anycast(struct inet6_ifaddr *ifp) + ipv6_dev_ac_inc(ifp->idev->dev, &addr); + } + ++/* caller must hold RTNL */ + static void addrconf_leave_anycast(struct inet6_ifaddr *ifp) + { + struct in6_addr addr; + +- ASSERT_RTNL(); +- + if (ifp->prefix_len >= 127) /* RFC 6164 */ + return; + ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); +diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c +index 210183244689..ff2de7d9d8e6 100644 +--- a/net/ipv6/anycast.c ++++ b/net/ipv6/anycast.c +@@ -77,6 +77,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, const struct in6_addr *addr) + pac->acl_next = NULL; + pac->acl_addr = *addr; + ++ rtnl_lock(); + rcu_read_lock(); + if (ifindex == 0) { + struct rt6_info *rt; +@@ -137,6 +138,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, const struct in6_addr *addr) + + error: + rcu_read_unlock(); ++ rtnl_unlock(); + if (pac) + sock_kfree_s(sk, pac, sizeof(*pac)); + return err; +@@ -171,11 +173,13 @@ int ipv6_sock_ac_drop(struct sock *sk, int ifindex, const struct in6_addr *addr) + + spin_unlock_bh(&ipv6_sk_ac_lock); + ++ rtnl_lock(); + rcu_read_lock(); + dev = dev_get_by_index_rcu(net, pac->acl_ifindex); + if (dev) + ipv6_dev_ac_dec(dev, &pac->acl_addr); + rcu_read_unlock(); ++ rtnl_unlock(); + + sock_kfree_s(sk, pac, sizeof(*pac)); + return 0; +@@ -198,6 +202,7 @@ void ipv6_sock_ac_close(struct sock *sk) + spin_unlock_bh(&ipv6_sk_ac_lock); + + prev_index = 0; ++ rtnl_lock(); + rcu_read_lock(); + while (pac) { + struct ipv6_ac_socklist *next = pac->acl_next; +@@ -212,6 +217,7 @@ void ipv6_sock_ac_close(struct sock *sk) + pac = next; + } + rcu_read_unlock(); ++ rtnl_unlock(); + } + + static void aca_put(struct ifacaddr6 *ac) +@@ -233,6 +239,8 @@ int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr) + struct rt6_info *rt; + int err; + ++ ASSERT_RTNL(); ++ + idev = in6_dev_get(dev); + + if (idev == NULL) +@@ -302,6 +310,8 @@ int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr) + { + struct ifacaddr6 *aca, *prev_aca; + ++ ASSERT_RTNL(); ++ + write_lock_bh(&idev->lock); + prev_aca = NULL; + for (aca = idev->ac_list; aca; aca = aca->aca_next) { +diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c +index 2465d18e8a26..cb57aa862177 100644 +--- a/net/ipv6/ip6_gre.c ++++ b/net/ipv6/ip6_gre.c +@@ -787,7 +787,7 @@ static inline int ip6gre_xmit_ipv4(struct sk_buff *skb, struct net_device *dev) + encap_limit = t->parms.encap_limit; + + memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6)); +- fl6.flowi6_proto = IPPROTO_IPIP; ++ fl6.flowi6_proto = IPPROTO_GRE; + + dsfield = ipv4_get_dsfield(iph); + +@@ -837,7 +837,7 @@ static inline int ip6gre_xmit_ipv6(struct sk_buff *skb, struct net_device *dev) + encap_limit = t->parms.encap_limit; + + memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6)); +- fl6.flowi6_proto = IPPROTO_IPV6; ++ fl6.flowi6_proto = IPPROTO_GRE; + + dsfield = ipv6_get_dsfield(ipv6h); + if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS) +diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c +index 073e5a6fc631..12f7ef0f243a 100644 +--- a/net/ipv6/ip6_output.c ++++ b/net/ipv6/ip6_output.c +@@ -1008,7 +1008,7 @@ struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, + if (final_dst) + fl6->daddr = *final_dst; + +- return xfrm_lookup(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0); ++ return xfrm_lookup_route(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0); + } + EXPORT_SYMBOL_GPL(ip6_dst_lookup_flow); + +@@ -1040,7 +1040,7 @@ struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, + if (final_dst) + fl6->daddr = *final_dst; + +- return xfrm_lookup(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0); ++ return xfrm_lookup_route(sock_net(sk), dst, flowi6_to_flowi(fl6), sk, 0); + } + EXPORT_SYMBOL_GPL(ip6_sk_dst_lookup_flow); + +diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c +index 08b367c6b9cf..761e4586ab5f 100644 +--- a/net/ipv6/mcast.c ++++ b/net/ipv6/mcast.c +@@ -172,6 +172,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) + mc_lst->next = NULL; + mc_lst->addr = *addr; + ++ rtnl_lock(); + rcu_read_lock(); + if (ifindex == 0) { + struct rt6_info *rt; +@@ -185,6 +186,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) + + if (dev == NULL) { + rcu_read_unlock(); ++ rtnl_unlock(); + sock_kfree_s(sk, mc_lst, sizeof(*mc_lst)); + return -ENODEV; + } +@@ -202,6 +204,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) + + if (err) { + rcu_read_unlock(); ++ rtnl_unlock(); + sock_kfree_s(sk, mc_lst, sizeof(*mc_lst)); + return err; + } +@@ -212,6 +215,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr) + spin_unlock(&ipv6_sk_mc_lock); + + rcu_read_unlock(); ++ rtnl_unlock(); + + return 0; + } +@@ -229,6 +233,7 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr) + if (!ipv6_addr_is_multicast(addr)) + return -EINVAL; + ++ rtnl_lock(); + spin_lock(&ipv6_sk_mc_lock); + for (lnk = &np->ipv6_mc_list; + (mc_lst = rcu_dereference_protected(*lnk, +@@ -252,12 +257,15 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr) + } else + (void) ip6_mc_leave_src(sk, mc_lst, NULL); + rcu_read_unlock(); ++ rtnl_unlock(); ++ + atomic_sub(sizeof(*mc_lst), &sk->sk_omem_alloc); + kfree_rcu(mc_lst, rcu); + return 0; + } + } + spin_unlock(&ipv6_sk_mc_lock); ++ rtnl_unlock(); + + return -EADDRNOTAVAIL; + } +@@ -302,6 +310,7 @@ void ipv6_sock_mc_close(struct sock *sk) + if (!rcu_access_pointer(np->ipv6_mc_list)) + return; + ++ rtnl_lock(); + spin_lock(&ipv6_sk_mc_lock); + while ((mc_lst = rcu_dereference_protected(np->ipv6_mc_list, + lockdep_is_held(&ipv6_sk_mc_lock))) != NULL) { +@@ -328,6 +337,7 @@ void ipv6_sock_mc_close(struct sock *sk) + spin_lock(&ipv6_sk_mc_lock); + } + spin_unlock(&ipv6_sk_mc_lock); ++ rtnl_unlock(); + } + + int ip6_mc_source(int add, int omode, struct sock *sk, +@@ -845,6 +855,8 @@ int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr) + struct ifmcaddr6 *mc; + struct inet6_dev *idev; + ++ ASSERT_RTNL(); ++ + /* we need to take a reference on idev */ + idev = in6_dev_get(dev); + +@@ -916,6 +928,8 @@ int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr) + { + struct ifmcaddr6 *ma, **map; + ++ ASSERT_RTNL(); ++ + write_lock_bh(&idev->lock); + for (map = &idev->mc_list; (ma=*map) != NULL; map = &ma->next) { + if (ipv6_addr_equal(&ma->mca_addr, addr)) { +diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c +index fe548ba72687..b12b11b123ff 100644 +--- a/net/ipv6/sit.c ++++ b/net/ipv6/sit.c +@@ -101,19 +101,19 @@ static struct ip_tunnel *ipip6_tunnel_lookup(struct net *net, + for_each_ip_tunnel_rcu(t, sitn->tunnels_r_l[h0 ^ h1]) { + if (local == t->parms.iph.saddr && + remote == t->parms.iph.daddr && +- (!dev || !t->parms.link || dev->iflink == t->parms.link) && ++ (!dev || !t->parms.link || dev->ifindex == t->parms.link) && + (t->dev->flags & IFF_UP)) + return t; + } + for_each_ip_tunnel_rcu(t, sitn->tunnels_r[h0]) { + if (remote == t->parms.iph.daddr && +- (!dev || !t->parms.link || dev->iflink == t->parms.link) && ++ (!dev || !t->parms.link || dev->ifindex == t->parms.link) && + (t->dev->flags & IFF_UP)) + return t; + } + for_each_ip_tunnel_rcu(t, sitn->tunnels_l[h1]) { + if (local == t->parms.iph.saddr && +- (!dev || !t->parms.link || dev->iflink == t->parms.link) && ++ (!dev || !t->parms.link || dev->ifindex == t->parms.link) && + (t->dev->flags & IFF_UP)) + return t; + } +diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c +index 889079b2ea85..a4f890dd223a 100644 +--- a/net/ipv6/tcp_ipv6.c ++++ b/net/ipv6/tcp_ipv6.c +@@ -1668,6 +1668,7 @@ static const struct inet_connection_sock_af_ops ipv6_specific = { + .compat_setsockopt = compat_ipv6_setsockopt, + .compat_getsockopt = compat_ipv6_getsockopt, + #endif ++ .mtu_reduced = tcp_v6_mtu_reduced, + }; + + #ifdef CONFIG_TCP_MD5SIG +@@ -1699,6 +1700,7 @@ static const struct inet_connection_sock_af_ops ipv6_mapped = { + .compat_setsockopt = compat_ipv6_setsockopt, + .compat_getsockopt = compat_ipv6_getsockopt, + #endif ++ .mtu_reduced = tcp_v4_mtu_reduced, + }; + + #ifdef CONFIG_TCP_MD5SIG +@@ -1935,7 +1937,6 @@ struct proto tcpv6_prot = { + .sendpage = tcp_sendpage, + .backlog_rcv = tcp_v6_do_rcv, + .release_cb = tcp_release_cb, +- .mtu_reduced = tcp_v6_mtu_reduced, + .hash = tcp_v6_hash, + .unhash = inet_unhash, + .get_port = inet_csk_get_port, +diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c +index 1e05bbde47ba..da8d067d6107 100644 +--- a/net/l2tp/l2tp_ppp.c ++++ b/net/l2tp/l2tp_ppp.c +@@ -758,7 +758,8 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, + /* If PMTU discovery was enabled, use the MTU that was discovered */ + dst = sk_dst_get(tunnel->sock); + if (dst != NULL) { +- u32 pmtu = dst_mtu(__sk_dst_get(tunnel->sock)); ++ u32 pmtu = dst_mtu(dst); ++ + if (pmtu != 0) + session->mtu = session->mru = pmtu - + PPPOL2TP_HEADER_OVERHEAD; +diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c +index 0dfe894afd48..c375d731587f 100644 +--- a/net/netlink/af_netlink.c ++++ b/net/netlink/af_netlink.c +@@ -205,7 +205,7 @@ static int __netlink_deliver_tap_skb(struct sk_buff *skb, + nskb->protocol = htons((u16) sk->sk_protocol); + nskb->pkt_type = netlink_is_kernel(sk) ? + PACKET_KERNEL : PACKET_USER; +- ++ skb_reset_network_header(nskb); + ret = dev_queue_xmit(nskb); + if (unlikely(ret > 0)) + ret = net_xmit_errno(ret); +diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c +index 2c77e7b1a913..600c7646b3d3 100644 +--- a/net/openvswitch/actions.c ++++ b/net/openvswitch/actions.c +@@ -42,6 +42,9 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb, + + static int make_writable(struct sk_buff *skb, int write_len) + { ++ if (!pskb_may_pull(skb, write_len)) ++ return -ENOMEM; ++ + if (!skb_cloned(skb) || skb_clone_writable(skb, write_len)) + return 0; + +@@ -70,6 +73,8 @@ static int __pop_vlan_tci(struct sk_buff *skb, __be16 *current_tci) + + vlan_set_encap_proto(skb, vhdr); + skb->mac_header += VLAN_HLEN; ++ if (skb_network_offset(skb) < ETH_HLEN) ++ skb_set_network_header(skb, ETH_HLEN); + skb_reset_mac_len(skb); + + return 0; +diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c +index 48a6a93db296..48b181797d7b 100644 +--- a/net/packet/af_packet.c ++++ b/net/packet/af_packet.c +@@ -635,6 +635,7 @@ static void init_prb_bdqc(struct packet_sock *po, + p1->tov_in_jiffies = msecs_to_jiffies(p1->retire_blk_tov); + p1->blk_sizeof_priv = req_u->req3.tp_sizeof_priv; + ++ p1->max_frame_len = p1->kblk_size - BLK_PLUS_PRIV(p1->blk_sizeof_priv); + prb_init_ft_ops(p1, req_u); + prb_setup_retire_blk_timer(po, tx_ring); + prb_open_block(p1, pbd); +@@ -1946,6 +1947,18 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, + if ((int)snaplen < 0) + snaplen = 0; + } ++ } else if (unlikely(macoff + snaplen > ++ GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len)) { ++ u32 nval; ++ ++ nval = GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len - macoff; ++ pr_err_once("tpacket_rcv: packet too big, clamped from %u to %u. macoff=%u\n", ++ snaplen, nval, macoff); ++ snaplen = nval; ++ if (unlikely((int)snaplen < 0)) { ++ snaplen = 0; ++ macoff = GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len; ++ } + } + spin_lock(&sk->sk_receive_queue.lock); + h.raw = packet_current_rx_frame(po, skb, +@@ -3779,6 +3792,10 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, + goto out; + if (unlikely(req->tp_block_size & (PAGE_SIZE - 1))) + goto out; ++ if (po->tp_version >= TPACKET_V3 && ++ (int)(req->tp_block_size - ++ BLK_PLUS_PRIV(req_u->req3.tp_sizeof_priv)) <= 0) ++ goto out; + if (unlikely(req->tp_frame_size < po->tp_hdrlen + + po->tp_reserve)) + goto out; +diff --git a/net/packet/internal.h b/net/packet/internal.h +index eb9580a6b25f..cdddf6a30399 100644 +--- a/net/packet/internal.h ++++ b/net/packet/internal.h +@@ -29,6 +29,7 @@ struct tpacket_kbdq_core { + char *pkblk_start; + char *pkblk_end; + int kblk_size; ++ unsigned int max_frame_len; + unsigned int knum_blocks; + uint64_t knxt_seq_num; + char *prev; +diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c +index 5170a1ff95a1..7194fe8589b0 100644 +--- a/net/sctp/sm_statefuns.c ++++ b/net/sctp/sm_statefuns.c +@@ -1775,9 +1775,22 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(struct net *net, + /* Update the content of current association. */ + sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_ASSOC, SCTP_ASOC(new_asoc)); + sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev)); +- sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, +- SCTP_STATE(SCTP_STATE_ESTABLISHED)); +- sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl)); ++ if (sctp_state(asoc, SHUTDOWN_PENDING) && ++ (sctp_sstate(asoc->base.sk, CLOSING) || ++ sock_flag(asoc->base.sk, SOCK_DEAD))) { ++ /* if were currently in SHUTDOWN_PENDING, but the socket ++ * has been closed by user, don't transition to ESTABLISHED. ++ * Instead trigger SHUTDOWN bundled with COOKIE_ACK. ++ */ ++ sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl)); ++ return sctp_sf_do_9_2_start_shutdown(net, ep, asoc, ++ SCTP_ST_CHUNK(0), NULL, ++ commands); ++ } else { ++ sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, ++ SCTP_STATE(SCTP_STATE_ESTABLISHED)); ++ sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl)); ++ } + return SCTP_DISPOSITION_CONSUME; + + nomem_ev: +diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c +index 1d5c7bf29938..59cf325f2772 100644 +--- a/net/xfrm/xfrm_policy.c ++++ b/net/xfrm/xfrm_policy.c +@@ -41,6 +41,11 @@ + + static struct dst_entry *xfrm_policy_sk_bundles; + ++struct xfrm_flo { ++ struct dst_entry *dst_orig; ++ u8 flags; ++}; ++ + static DEFINE_SPINLOCK(xfrm_policy_afinfo_lock); + static struct xfrm_policy_afinfo __rcu *xfrm_policy_afinfo[NPROTO] + __read_mostly; +@@ -1889,13 +1894,14 @@ static int xdst_queue_output(struct sk_buff *skb) + } + + static struct xfrm_dst *xfrm_create_dummy_bundle(struct net *net, +- struct dst_entry *dst, ++ struct xfrm_flo *xflo, + const struct flowi *fl, + int num_xfrms, + u16 family) + { + int err; + struct net_device *dev; ++ struct dst_entry *dst; + struct dst_entry *dst1; + struct xfrm_dst *xdst; + +@@ -1903,9 +1909,12 @@ static struct xfrm_dst *xfrm_create_dummy_bundle(struct net *net, + if (IS_ERR(xdst)) + return xdst; + +- if (net->xfrm.sysctl_larval_drop || num_xfrms <= 0) ++ if (!(xflo->flags & XFRM_LOOKUP_QUEUE) || ++ net->xfrm.sysctl_larval_drop || ++ num_xfrms <= 0) + return xdst; + ++ dst = xflo->dst_orig; + dst1 = &xdst->u.dst; + dst_hold(dst); + xdst->route = dst; +@@ -1947,7 +1956,7 @@ static struct flow_cache_object * + xfrm_bundle_lookup(struct net *net, const struct flowi *fl, u16 family, u8 dir, + struct flow_cache_object *oldflo, void *ctx) + { +- struct dst_entry *dst_orig = (struct dst_entry *)ctx; ++ struct xfrm_flo *xflo = (struct xfrm_flo *)ctx; + struct xfrm_policy *pols[XFRM_POLICY_TYPE_MAX]; + struct xfrm_dst *xdst, *new_xdst; + int num_pols = 0, num_xfrms = 0, i, err, pol_dead; +@@ -1988,7 +1997,8 @@ xfrm_bundle_lookup(struct net *net, const struct flowi *fl, u16 family, u8 dir, + goto make_dummy_bundle; + } + +- new_xdst = xfrm_resolve_and_create_bundle(pols, num_pols, fl, family, dst_orig); ++ new_xdst = xfrm_resolve_and_create_bundle(pols, num_pols, fl, family, ++ xflo->dst_orig); + if (IS_ERR(new_xdst)) { + err = PTR_ERR(new_xdst); + if (err != -EAGAIN) +@@ -2022,7 +2032,7 @@ make_dummy_bundle: + /* We found policies, but there's no bundles to instantiate: + * either because the policy blocks, has no transformations or + * we could not build template (no xfrm_states).*/ +- xdst = xfrm_create_dummy_bundle(net, dst_orig, fl, num_xfrms, family); ++ xdst = xfrm_create_dummy_bundle(net, xflo, fl, num_xfrms, family); + if (IS_ERR(xdst)) { + xfrm_pols_put(pols, num_pols); + return ERR_CAST(xdst); +@@ -2121,13 +2131,18 @@ struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig, + } + + if (xdst == NULL) { ++ struct xfrm_flo xflo; ++ ++ xflo.dst_orig = dst_orig; ++ xflo.flags = flags; ++ + /* To accelerate a bit... */ + if ((dst_orig->flags & DST_NOXFRM) || + !net->xfrm.policy_count[XFRM_POLICY_OUT]) + goto nopol; + + flo = flow_cache_lookup(net, fl, family, dir, +- xfrm_bundle_lookup, dst_orig); ++ xfrm_bundle_lookup, &xflo); + if (flo == NULL) + goto nopol; + if (IS_ERR(flo)) { +@@ -2155,7 +2170,7 @@ struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig, + xfrm_pols_put(pols, drop_pols); + XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTNOSTATES); + +- return make_blackhole(net, family, dst_orig); ++ return ERR_PTR(-EREMOTE); + } + + err = -EAGAIN; +@@ -2212,6 +2227,23 @@ dropdst: + } + EXPORT_SYMBOL(xfrm_lookup); + ++/* Callers of xfrm_lookup_route() must ensure a call to dst_output(). ++ * Otherwise we may send out blackholed packets. ++ */ ++struct dst_entry *xfrm_lookup_route(struct net *net, struct dst_entry *dst_orig, ++ const struct flowi *fl, ++ struct sock *sk, int flags) ++{ ++ struct dst_entry *dst = xfrm_lookup(net, dst_orig, fl, sk, ++ flags | XFRM_LOOKUP_QUEUE); ++ ++ if (IS_ERR(dst) && PTR_ERR(dst) == -EREMOTE) ++ return make_blackhole(net, dst_orig->ops->family, dst_orig); ++ ++ return dst; ++} ++EXPORT_SYMBOL(xfrm_lookup_route); ++ + static inline int + xfrm_secpath_reject(int idx, struct sk_buff *skb, const struct flowi *fl) + { +@@ -2477,7 +2509,7 @@ int __xfrm_route_forward(struct sk_buff *skb, unsigned short family) + + skb_dst_force(skb); + +- dst = xfrm_lookup(net, skb_dst(skb), &fl, NULL, 0); ++ dst = xfrm_lookup(net, skb_dst(skb), &fl, NULL, XFRM_LOOKUP_QUEUE); + if (IS_ERR(dst)) { + res = 0; + dst = NULL;
