diff --git a/MAINTAINERS b/MAINTAINERS index 31a046213274e06e63e26da0514ede7ebc7c4443..6a6e4ac7228774a8b7d3b9dd492571c03d734fe0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9231,6 +9231,7 @@ F: include/media/videobuf2-* VIRTIO CONSOLE DRIVER M: Amit Shah +L: virtio-dev@lists.oasis-open.org L: virtualization@lists.linux-foundation.org S: Maintained F: drivers/char/virtio_console.c @@ -9240,6 +9241,7 @@ F: include/uapi/linux/virtio_console.h VIRTIO CORE, NET AND BLOCK DRIVERS M: Rusty Russell M: "Michael S. Tsirkin" +L: virtio-dev@lists.oasis-open.org L: virtualization@lists.linux-foundation.org S: Maintained F: drivers/virtio/ @@ -9252,6 +9254,7 @@ F: include/uapi/linux/virtio_*.h VIRTIO HOST (VHOST) M: "Michael S. Tsirkin" L: kvm@vger.kernel.org +L: virtio-dev@lists.oasis-open.org L: virtualization@lists.linux-foundation.org L: netdev@vger.kernel.org S: Maintained diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 9ed155ad0f97c42c80fd903919a51dac8b0298d4..271b5e9715682ab40869a1ea8a02c9696eaebf07 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -641,10 +641,10 @@ static int build_body(struct jit_ctx *ctx) emit(ARM_MUL(r_A, r_A, r_X), ctx); break; case BPF_S_ALU_DIV_K: - /* current k == reciprocal_value(userspace k) */ + if (k == 1) + break; emit_mov_i(r_scratch, k, ctx); - /* A = top 32 bits of the product */ - emit(ARM_UMULL(r_scratch, r_A, r_A, r_scratch), ctx); + emit_udiv(r_A, r_A, r_scratch, ctx); break; case BPF_S_ALU_DIV_X: update_on_xread(ctx); diff --git a/arch/parisc/include/uapi/asm/socket.h b/arch/parisc/include/uapi/asm/socket.h index f33113a6141e7540da2195cc72469152edfbecf2..70b3674dac4e39c1048b1844dc53dee85f907296 100644 --- a/arch/parisc/include/uapi/asm/socket.h +++ b/arch/parisc/include/uapi/asm/socket.h @@ -75,6 +75,6 @@ #define SO_BUSY_POLL 0x4027 -#define SO_MAX_PACING_RATE 0x4048 +#define SO_MAX_PACING_RATE 0x4028 #endif /* _UAPI_ASM_SOCKET_H */ diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index ac3c2a10dafda9e73145dabfbc7181548f288fd5..555034f8505e8d1d83bfeef3480a9bc058499754 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -223,10 +223,11 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image, } PPC_DIVWU(r_A, r_A, r_X); break; - case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K); */ + case BPF_S_ALU_DIV_K: /* A /= K */ + if (K == 1) + break; PPC_LI32(r_scratch1, K); - /* Top 32 bits of 64bit result -> A */ - PPC_MULHWU(r_A, r_A, r_scratch1); + PPC_DIVWU(r_A, r_A, r_scratch1); break; case BPF_S_ALU_AND_X: ctx->seen |= SEEN_XREG; diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 16871da3737164d986412ff40cc8fb95c2c7119b..708d60e4006676486b3892195b165ede007d2544 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -368,14 +368,16 @@ static int bpf_jit_insn(struct bpf_jit *jit, struct sock_filter *filter, EMIT4_PCREL(0xa7840000, (jit->ret0_ip - jit->prg)); /* lhi %r4,0 */ EMIT4(0xa7480000); - /* dr %r4,%r12 */ - EMIT2(0x1d4c); + /* dlr %r4,%r12 */ + EMIT4(0xb997004c); break; - case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K) */ - /* m %r4,(%r13) */ - EMIT4_DISP(0x5c40d000, EMIT_CONST(K)); - /* lr %r5,%r4 */ - EMIT2(0x1854); + case BPF_S_ALU_DIV_K: /* A /= K */ + if (K == 1) + break; + /* lhi %r4,0 */ + EMIT4(0xa7480000); + /* dl %r4,(%r13) */ + EMIT6_DISP(0xe340d000, 0x0097, EMIT_CONST(K)); break; case BPF_S_ALU_MOD_X: /* A %= X */ jit->seen |= SEEN_XREG | SEEN_RET0; @@ -385,16 +387,21 @@ static int bpf_jit_insn(struct bpf_jit *jit, struct sock_filter *filter, EMIT4_PCREL(0xa7840000, (jit->ret0_ip - jit->prg)); /* lhi %r4,0 */ EMIT4(0xa7480000); - /* dr %r4,%r12 */ - EMIT2(0x1d4c); + /* dlr %r4,%r12 */ + EMIT4(0xb997004c); /* lr %r5,%r4 */ EMIT2(0x1854); break; case BPF_S_ALU_MOD_K: /* A %= K */ + if (K == 1) { + /* lhi %r5,0 */ + EMIT4(0xa7580000); + break; + } /* lhi %r4,0 */ EMIT4(0xa7480000); - /* d %r4,(%r13) */ - EMIT4_DISP(0x5d40d000, EMIT_CONST(K)); + /* dl %r4,(%r13) */ + EMIT6_DISP(0xe340d000, 0x0097, EMIT_CONST(K)); /* lr %r5,%r4 */ EMIT2(0x1854); break; diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c index 218b6b23c378f888ef6ab0accf7ee4882e2911e2..01fe9946d388de469e140532b3f973f8a6db28fb 100644 --- a/arch/sparc/net/bpf_jit_comp.c +++ b/arch/sparc/net/bpf_jit_comp.c @@ -497,9 +497,20 @@ void bpf_jit_compile(struct sk_filter *fp) case BPF_S_ALU_MUL_K: /* A *= K */ emit_alu_K(MUL, K); break; - case BPF_S_ALU_DIV_K: /* A /= K */ - emit_alu_K(MUL, K); - emit_read_y(r_A); + case BPF_S_ALU_DIV_K: /* A /= K with K != 0*/ + if (K == 1) + break; + emit_write_y(G0); +#ifdef CONFIG_SPARC32 + /* The Sparc v8 architecture requires + * three instructions between a %y + * register write and the first use. + */ + emit_nop(); + emit_nop(); + emit_nop(); +#endif + emit_alu_K(DIV, K); break; case BPF_S_ALU_DIV_X: /* A /= X; */ emit_cmpi(r_X, 0); diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index 26328e800869fc6ac1821c0ab3dcd2baa1506ec1..4ed75dd81d052ff96cc832702d174ad4d63bffec 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -359,15 +359,21 @@ void bpf_jit_compile(struct sk_filter *fp) EMIT2(0x89, 0xd0); /* mov %edx,%eax */ break; case BPF_S_ALU_MOD_K: /* A %= K; */ + if (K == 1) { + CLEAR_A(); + break; + } EMIT2(0x31, 0xd2); /* xor %edx,%edx */ EMIT1(0xb9);EMIT(K, 4); /* mov imm32,%ecx */ EMIT2(0xf7, 0xf1); /* div %ecx */ EMIT2(0x89, 0xd0); /* mov %edx,%eax */ break; - case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K); */ - EMIT3(0x48, 0x69, 0xc0); /* imul imm32,%rax,%rax */ - EMIT(K, 4); - EMIT4(0x48, 0xc1, 0xe8, 0x20); /* shr $0x20,%rax */ + case BPF_S_ALU_DIV_K: /* A /= K */ + if (K == 1) + break; + EMIT2(0x31, 0xd2); /* xor %edx,%edx */ + EMIT1(0xb9);EMIT(K, 4); /* mov imm32,%ecx */ + EMIT2(0xf7, 0xf1); /* div %ecx */ break; case BPF_S_ALU_AND_X: seen |= SEEN_XREG; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 8b3107b2fcc13dd619ae08290f4467c47e8e67b7..0067b975873f1592f0fbc2f7dc4a67de91d8c900 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -12942,25 +12942,26 @@ static void __bnx2x_remove(struct pci_dev *pdev, pci_set_power_state(pdev, PCI_D3hot); } - if (bp->regview) - iounmap(bp->regview); + if (remove_netdev) { + if (bp->regview) + iounmap(bp->regview); - /* for vf doorbells are part of the regview and were unmapped along with - * it. FW is only loaded by PF. - */ - if (IS_PF(bp)) { - if (bp->doorbells) - iounmap(bp->doorbells); + /* For vfs, doorbells are part of the regview and were unmapped + * along with it. FW is only loaded by PF. + */ + if (IS_PF(bp)) { + if (bp->doorbells) + iounmap(bp->doorbells); - bnx2x_release_firmware(bp); - } - bnx2x_free_mem_bp(bp); + bnx2x_release_firmware(bp); + } + bnx2x_free_mem_bp(bp); - if (remove_netdev) free_netdev(dev); - if (atomic_read(&pdev->enable_cnt) == 1) - pci_release_regions(pdev); + if (atomic_read(&pdev->enable_cnt) == 1) + pci_release_regions(pdev); + } pci_disable_device(pdev); } diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c index cb05be905defdceb0e2d0b76386dcd224169b5b0..81e8402a74b41c910114b4d10b3b796161ed0ea2 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c +++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c @@ -423,7 +423,7 @@ u64 cxgb4_select_ntuple(struct net_device *dev, * in the Compressed Filter Tuple. */ if (tp->vlan_shift >= 0 && l2t->vlan != VLAN_NONE) - ntuple |= (F_FT_VLAN_VLD | l2t->vlan) << tp->vlan_shift; + ntuple |= (u64)(F_FT_VLAN_VLD | l2t->vlan) << tp->vlan_shift; if (tp->port_shift >= 0) ntuple |= (u64)l2t->lport << tp->port_shift; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index bf40fdaecfa3e89b96fb90336cb26f909642de36..a37039d353c57e999a9235a0af2ca3d48f3c3b14 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1776,6 +1776,7 @@ static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; struct be_queue_info *rxq = &rxo->q; struct page *pagep = NULL; + struct device *dev = &adapter->pdev->dev; struct be_eth_rx_d *rxd; u64 page_dmaaddr = 0, frag_dmaaddr; u32 posted, page_offset = 0; @@ -1788,9 +1789,15 @@ static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) rx_stats(rxo)->rx_post_fail++; break; } - page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, - 0, adapter->big_page_size, + page_dmaaddr = dma_map_page(dev, pagep, 0, + adapter->big_page_size, DMA_FROM_DEVICE); + if (dma_mapping_error(dev, page_dmaaddr)) { + put_page(pagep); + pagep = NULL; + rx_stats(rxo)->rx_post_fail++; + break; + } page_info->page_offset = 0; } else { get_page(pagep); diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index c30d41d6e4260d4830c82ccb1dd6b0bcec3bfa1d..6d14eea1791846c59077f98478ab95f480538624 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -6174,7 +6174,7 @@ static int __e1000_resume(struct pci_dev *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int e1000_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -6193,7 +6193,7 @@ static int e1000_resume(struct device *dev) return __e1000_resume(pdev); } -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ #ifdef CONFIG_PM_RUNTIME static int e1000_runtime_suspend(struct device *dev) @@ -7015,13 +7015,11 @@ static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = { }; MODULE_DEVICE_TABLE(pci, e1000_pci_tbl); -#ifdef CONFIG_PM static const struct dev_pm_ops e1000_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume) SET_RUNTIME_PM_OPS(e1000_runtime_suspend, e1000_runtime_resume, e1000_idle) }; -#endif /* PCI Device API Driver */ static struct pci_driver e1000_driver = { @@ -7029,11 +7027,9 @@ static struct pci_driver e1000_driver = { .id_table = e1000_pci_tbl, .probe = e1000_probe, .remove = e1000_remove, -#ifdef CONFIG_PM .driver = { .pm = &e1000_pm_ops, }, -#endif .shutdown = e1000_shutdown, .err_handler = &e1000_err_handler }; diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 449f506d2e8ff3e71abc22bba6ce8e67bcf45305..f705aeeba767eec647670c8d9b1a0e210f9f5e40 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -4765,6 +4765,8 @@ static int qlge_probe(struct pci_dev *pdev, NETIF_F_RXCSUM; ndev->features = ndev->hw_features; ndev->vlan_features = ndev->hw_features; + /* vlan gets same features (except vlan filter) */ + ndev->vlan_features &= ~NETIF_F_HW_VLAN_CTAG_FILTER; if (test_bit(QL_DMA64, &qdev->flags)) ndev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index cce6c4bc556a97e03fbe5f1648396aed6bf7070a..ef312bc6b8658deabae28d179c39237564b8ede4 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -1618,6 +1618,7 @@ static void rhine_reset_task(struct work_struct *work) goto out_unlock; napi_disable(&rp->napi); + netif_tx_disable(dev); spin_lock_bh(&rp->lock); /* clear all descriptors */ diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 14aa48fa8d7e5610087aee24b5eb0e493593cd83..e80219877730973a74e04791a42eae6a3eee038b 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -614,6 +614,18 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0a46, 0x9621), /* DM9621A USB to Fast Ethernet Adapter */ .driver_info = (unsigned long)&dm9601_info, }, + { + USB_DEVICE(0x0a46, 0x9622), /* DM9622 USB to Fast Ethernet Adapter */ + .driver_info = (unsigned long)&dm9601_info, + }, + { + USB_DEVICE(0x0a46, 0x0269), /* DM962OA USB to Fast Ethernet Adapter */ + .driver_info = (unsigned long)&dm9601_info, + }, + { + USB_DEVICE(0x0a46, 0x1269), /* DM9621A USB to Fast Ethernet Adapter */ + .driver_info = (unsigned long)&dm9601_info, + }, {}, // END }; diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 8494bb53ebdc9f33abee1d8e5a27f7d0dea3cc17..aba04f56176008aa12d0eaf72590d239f0affce8 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1245,7 +1245,7 @@ static int build_dma_sg(const struct sk_buff *skb, struct urb *urb) return -ENOMEM; urb->num_sgs = num_sgs; - sg_init_table(urb->sg, urb->num_sgs); + sg_init_table(urb->sg, urb->num_sgs + 1); sg_set_buf(&urb->sg[s++], skb->data, skb_headlen(skb)); total_len += skb_headlen(skb); diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 76d54270f2e27c175836b137f363014381e91687..65bb13035598fe141afd52a101f99ed1c9fd6838 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -165,7 +165,6 @@ struct inet6_dev { struct net_device *dev; struct list_head addr_list; - int valid_ll_addr_cnt; struct ifmcaddr6 *mc_list; struct ifmcaddr6 *mc_tomb; diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index 1511f64a6ceaae34d26860cd4642cde71c5af9a0..faba0f61ad535da90f8cd874ce5f901f771d4fb3 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -277,7 +277,7 @@ int batadv_max_header_len(void) sizeof(struct batadv_coded_packet)); #endif - return header_len; + return header_len + ETH_HLEN; } /** diff --git a/net/core/filter.c b/net/core/filter.c index 01b780856db29e5a2a7ebbc36aa7062340b28bb8..ad30d626a5bd3f5cbd585d0641ab79aa29c3c446 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -36,7 +36,6 @@ #include #include #include -#include #include #include #include @@ -166,7 +165,7 @@ unsigned int sk_run_filter(const struct sk_buff *skb, A /= X; continue; case BPF_S_ALU_DIV_K: - A = reciprocal_divide(A, K); + A /= K; continue; case BPF_S_ALU_MOD_X: if (X == 0) @@ -553,11 +552,6 @@ int sk_chk_filter(struct sock_filter *filter, unsigned int flen) /* Some instructions need special checks */ switch (code) { case BPF_S_ALU_DIV_K: - /* check for division by zero */ - if (ftest->k == 0) - return -EINVAL; - ftest->k = reciprocal_value(ftest->k); - break; case BPF_S_ALU_MOD_K: /* check for division by zero */ if (ftest->k == 0) @@ -853,27 +847,7 @@ void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to) to->code = decodes[code]; to->jt = filt->jt; to->jf = filt->jf; - - if (code == BPF_S_ALU_DIV_K) { - /* - * When loaded this rule user gave us X, which was - * translated into R = r(X). Now we calculate the - * RR = r(R) and report it back. If next time this - * value is loaded and RRR = r(RR) is calculated - * then the R == RRR will be true. - * - * One exception. X == 1 translates into R == 0 and - * we can't calculate RR out of it with r(). - */ - - if (filt->k == 0) - to->k = 1; - else - to->k = reciprocal_value(filt->k); - - BUG_ON(reciprocal_value(to->k) != filt->k); - } else - to->k = filt->k; + to->k = filt->k; } int sk_get_filter(struct sock *sk, struct sock_filter __user *ubuf, unsigned int len) diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c index d08c7a43dcd1c72f1512b01e8a00dd2b9e6b1869..89b265aea151eaf7f301c28f391d064b7d22edfc 100644 --- a/net/ieee802154/nl-phy.c +++ b/net/ieee802154/nl-phy.c @@ -221,8 +221,10 @@ int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info) if (info->attrs[IEEE802154_ATTR_DEV_TYPE]) { type = nla_get_u8(info->attrs[IEEE802154_ATTR_DEV_TYPE]); - if (type >= __IEEE802154_DEV_MAX) - return -EINVAL; + if (type >= __IEEE802154_DEV_MAX) { + rc = -EINVAL; + goto nla_put_failure; + } } dev = phy->add_iface(phy, devname, type); diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index a0f52dac8940de45ffaa53291c82950b2e6c4c99..e34dccbc4d70bd26f7cec88c031dcea31124314a 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -930,12 +930,15 @@ void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb, spin_lock_bh(lock); sk_nulls_for_each(sk, node, &head->chain) { int res; + int state; if (!net_eq(sock_net(sk), net)) continue; if (num < s_num) goto next_normal; - if (!(r->idiag_states & (1 << sk->sk_state))) + state = (sk->sk_state == TCP_TIME_WAIT) ? + inet_twsk(sk)->tw_substate : sk->sk_state; + if (!(r->idiag_states & (1 << state))) goto next_normal; if (r->sdiag_family != AF_UNSPEC && sk->sk_family != r->sdiag_family) diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 62212c772a4b95961dafe1efce3fd06f146ccbb6..1672409f5ba5a10ea05eb20d0f472a46dee3c504 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -157,9 +157,12 @@ static struct mr_table *ipmr_get_table(struct net *net, u32 id) static int ipmr_fib_lookup(struct net *net, struct flowi4 *flp4, struct mr_table **mrt) { - struct ipmr_result res; - struct fib_lookup_arg arg = { .result = &res, }; int err; + struct ipmr_result res; + struct fib_lookup_arg arg = { + .result = &res, + .flags = FIB_LOOKUP_NOREF, + }; err = fib_rules_lookup(net->ipv4.mr_rules_ops, flowi4_to_flowi(flp4), 0, &arg); diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index 06493736fbc826842876180a24510d9e348cb7f3..098b3a29f6f3a082af32af35d703bf884922ec77 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -22,6 +22,9 @@ int sysctl_tcp_nometrics_save __read_mostly; +static struct tcp_metrics_block *__tcp_get_metrics(const struct inetpeer_addr *addr, + struct net *net, unsigned int hash); + struct tcp_fastopen_metrics { u16 mss; u16 syn_loss:10; /* Recurring Fast Open SYN losses */ @@ -130,16 +133,41 @@ static void tcpm_suck_dst(struct tcp_metrics_block *tm, struct dst_entry *dst, } } +#define TCP_METRICS_TIMEOUT (60 * 60 * HZ) + +static void tcpm_check_stamp(struct tcp_metrics_block *tm, struct dst_entry *dst) +{ + if (tm && unlikely(time_after(jiffies, tm->tcpm_stamp + TCP_METRICS_TIMEOUT))) + tcpm_suck_dst(tm, dst, false); +} + +#define TCP_METRICS_RECLAIM_DEPTH 5 +#define TCP_METRICS_RECLAIM_PTR (struct tcp_metrics_block *) 0x1UL + static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst, struct inetpeer_addr *addr, - unsigned int hash, - bool reclaim) + unsigned int hash) { struct tcp_metrics_block *tm; struct net *net; + bool reclaim = false; spin_lock_bh(&tcp_metrics_lock); net = dev_net(dst->dev); + + /* While waiting for the spin-lock the cache might have been populated + * with this entry and so we have to check again. + */ + tm = __tcp_get_metrics(addr, net, hash); + if (tm == TCP_METRICS_RECLAIM_PTR) { + reclaim = true; + tm = NULL; + } + if (tm) { + tcpm_check_stamp(tm, dst); + goto out_unlock; + } + if (unlikely(reclaim)) { struct tcp_metrics_block *oldest; @@ -169,17 +197,6 @@ static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst, return tm; } -#define TCP_METRICS_TIMEOUT (60 * 60 * HZ) - -static void tcpm_check_stamp(struct tcp_metrics_block *tm, struct dst_entry *dst) -{ - if (tm && unlikely(time_after(jiffies, tm->tcpm_stamp + TCP_METRICS_TIMEOUT))) - tcpm_suck_dst(tm, dst, false); -} - -#define TCP_METRICS_RECLAIM_DEPTH 5 -#define TCP_METRICS_RECLAIM_PTR (struct tcp_metrics_block *) 0x1UL - static struct tcp_metrics_block *tcp_get_encode(struct tcp_metrics_block *tm, int depth) { if (tm) @@ -282,7 +299,6 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk, struct inetpeer_addr addr; unsigned int hash; struct net *net; - bool reclaim; addr.family = sk->sk_family; switch (addr.family) { @@ -304,13 +320,10 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk, hash = hash_32(hash, net->ipv4.tcp_metrics_hash_log); tm = __tcp_get_metrics(&addr, net, hash); - reclaim = false; - if (tm == TCP_METRICS_RECLAIM_PTR) { - reclaim = true; + if (tm == TCP_METRICS_RECLAIM_PTR) tm = NULL; - } if (!tm && create) - tm = tcpm_new(dst, &addr, hash, reclaim); + tm = tcpm_new(dst, &addr, hash); else tcpm_check_stamp(tm, dst); diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index abe46a4228ce96655d1aacec77052a89e70cfdd4..4b6b720971b9294910280c6ebd9d46a34ea07e35 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3189,6 +3189,22 @@ static void addrconf_dad_timer(unsigned long data) in6_ifa_put(ifp); } +/* ifp->idev must be at least read locked */ +static bool ipv6_lonely_lladdr(struct inet6_ifaddr *ifp) +{ + struct inet6_ifaddr *ifpiter; + struct inet6_dev *idev = ifp->idev; + + list_for_each_entry(ifpiter, &idev->addr_list, if_list) { + if (ifp != ifpiter && ifpiter->scope == IFA_LINK && + (ifpiter->flags & (IFA_F_PERMANENT|IFA_F_TENTATIVE| + IFA_F_OPTIMISTIC|IFA_F_DADFAILED)) == + IFA_F_PERMANENT) + return false; + } + return true; +} + static void addrconf_dad_completed(struct inet6_ifaddr *ifp) { struct net_device *dev = ifp->idev->dev; @@ -3208,14 +3224,11 @@ static void addrconf_dad_completed(struct inet6_ifaddr *ifp) */ read_lock_bh(&ifp->idev->lock); - spin_lock(&ifp->lock); - send_mld = ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL && - ifp->idev->valid_ll_addr_cnt == 1; + send_mld = ifp->scope == IFA_LINK && ipv6_lonely_lladdr(ifp); send_rs = send_mld && ipv6_accept_ra(ifp->idev) && ifp->idev->cnf.rtr_solicits > 0 && (dev->flags&IFF_LOOPBACK) == 0; - spin_unlock(&ifp->lock); read_unlock_bh(&ifp->idev->lock); /* While dad is in progress mld report's source address is in6_addrany. @@ -4512,19 +4525,6 @@ static void inet6_prefix_notify(int event, struct inet6_dev *idev, rtnl_set_sk_err(net, RTNLGRP_IPV6_PREFIX, err); } -static void update_valid_ll_addr_cnt(struct inet6_ifaddr *ifp, int count) -{ - write_lock_bh(&ifp->idev->lock); - spin_lock(&ifp->lock); - if (((ifp->flags & (IFA_F_PERMANENT|IFA_F_TENTATIVE|IFA_F_OPTIMISTIC| - IFA_F_DADFAILED)) == IFA_F_PERMANENT) && - (ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL)) - ifp->idev->valid_ll_addr_cnt += count; - WARN_ON(ifp->idev->valid_ll_addr_cnt < 0); - spin_unlock(&ifp->lock); - write_unlock_bh(&ifp->idev->lock); -} - static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) { struct net *net = dev_net(ifp->idev->dev); @@ -4533,8 +4533,6 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) switch (event) { case RTM_NEWADDR: - update_valid_ll_addr_cnt(ifp, 1); - /* * If the address was optimistic * we inserted the route at the start of @@ -4550,8 +4548,6 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) ifp->idev->dev, 0, 0); break; case RTM_DELADDR: - update_valid_ll_addr_cnt(ifp, -1); - if (ifp->idev->cnf.forwarding) addrconf_leave_anycast(ifp); addrconf_leave_solict(ifp->idev, &ifp->addr); diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index f365310bfcca30420a9cce321c1875d7f4319c21..0eb4038a4d63434738e938113b37bfe6611e07c3 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -141,9 +141,12 @@ static struct mr6_table *ip6mr_get_table(struct net *net, u32 id) static int ip6mr_fib_lookup(struct net *net, struct flowi6 *flp6, struct mr6_table **mrt) { - struct ip6mr_result res; - struct fib_lookup_arg arg = { .result = &res, }; int err; + struct ip6mr_result res; + struct fib_lookup_arg arg = { + .result = &res, + .flags = FIB_LOOKUP_NOREF, + }; err = fib_rules_lookup(net->ipv6.mr6_rules_ops, flowi6_to_flowi(flp6), 0, &arg); diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c index 8eb9501e3d60d41d30c3af511551f039a6264958..b7ebe23cdedfb5f31cfafab415b54b3db3f0c30b 100644 --- a/net/rds/ib_recv.c +++ b/net/rds/ib_recv.c @@ -421,8 +421,7 @@ static void rds_ib_recv_cache_put(struct list_head *new_item, struct rds_ib_refill_cache *cache) { unsigned long flags; - struct list_head *old; - struct list_head __percpu *chpfirst; + struct list_head *old, *chpfirst; local_irq_save(flags); @@ -432,7 +431,7 @@ static void rds_ib_recv_cache_put(struct list_head *new_item, else /* put on front */ list_add_tail(new_item, chpfirst); - __this_cpu_write(chpfirst, new_item); + __this_cpu_write(cache->percpu->first, new_item); __this_cpu_inc(cache->percpu->count); if (__this_cpu_read(cache->percpu->count) < RDS_IB_RECYCLE_BATCH_COUNT) @@ -452,7 +451,7 @@ static void rds_ib_recv_cache_put(struct list_head *new_item, } while (old); - __this_cpu_write(chpfirst, NULL); + __this_cpu_write(cache->percpu->first, NULL); __this_cpu_write(cache->percpu->count, 0); end: local_irq_restore(flags);