diff options
32 files changed, 360 insertions, 67 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 7ba7bc485d74..8cc99ff05b97 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4302,7 +4302,7 @@ F: drivers/net/ethernet/agere/ ETHERNET BRIDGE M: Stephen Hemminger <stephen@networkplumber.org> -L: bridge@lists.linux-foundation.org +L: bridge@lists.linux-foundation.org (moderated for non-subscribers) L: netdev@vger.kernel.org W: http://www.linuxfoundation.org/en/Net:Bridge S: Maintained @@ -5750,7 +5750,7 @@ R: Don Skidmore <donald.c.skidmore@intel.com> R: Bruce Allan <bruce.w.allan@intel.com> R: John Ronciak <john.ronciak@intel.com> R: Mitch Williams <mitch.a.williams@intel.com> -L: intel-wired-lan@lists.osuosl.org +L: intel-wired-lan@lists.osuosl.org (moderated for non-subscribers) W: http://www.intel.com/support/feedback.htm W: http://e1000.sourceforge.net/ Q: http://patchwork.ozlabs.org/project/intel-wired-lan/list/ @@ -7575,7 +7575,7 @@ F: drivers/infiniband/hw/nes/ NETEM NETWORK EMULATOR M: Stephen Hemminger <stephen@networkplumber.org> -L: netem@lists.linux-foundation.org +L: netem@lists.linux-foundation.org (moderated for non-subscribers) S: Maintained F: net/sched/sch_netem.c diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h index 06bc2d2e7a73..a2cdfc1261dc 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h @@ -166,6 +166,7 @@ CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN CH_PCI_ID_TABLE_FENTRY(0x5099), /* Custom 2x40G QSFP */ CH_PCI_ID_TABLE_FENTRY(0x509a), /* Custom T520-CR */ CH_PCI_ID_TABLE_FENTRY(0x509b), /* Custom T540-CR LOM */ + CH_PCI_ID_TABLE_FENTRY(0x509c), /* Custom T520-CR*/ /* T6 adapters: */ diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 3fc7bde699ba..ae90d4f12b70 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -3106,7 +3106,7 @@ static int e1000_maybe_stop_tx(struct net_device *netdev, return __e1000_maybe_stop_tx(netdev, size); } -#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1) +#define TXD_USE_COUNT(S, X) (((S) + ((1 << (X)) - 1)) >> (X)) static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) { @@ -3256,12 +3256,29 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, nr_frags, mss); if (count) { + /* The descriptors needed is higher than other Intel drivers + * due to a number of workarounds. The breakdown is below: + * Data descriptors: MAX_SKB_FRAGS + 1 + * Context Descriptor: 1 + * Keep head from touching tail: 2 + * Workarounds: 3 + */ + int desc_needed = MAX_SKB_FRAGS + 7; + netdev_sent_queue(netdev, skb->len); skb_tx_timestamp(skb); e1000_tx_queue(adapter, tx_ring, tx_flags, count); + + /* 82544 potentially requires twice as many data descriptors + * in order to guarantee buffers don't end on evenly-aligned + * dwords + */ + if (adapter->pcix_82544) + desc_needed += MAX_SKB_FRAGS + 1; + /* Make sure there is space in the ring for the next send. */ - e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2); + e1000_maybe_stop_tx(netdev, tx_ring, desc_needed); if (!skb->xmit_more || netif_xmit_stopped(netdev_get_tx_queue(netdev, 0))) { diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 67006431726a..344912957cab 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -8559,6 +8559,7 @@ static int i40e_sw_init(struct i40e_pf *pf) I40E_FLAG_OUTER_UDP_CSUM_CAPABLE | I40E_FLAG_WB_ON_ITR_CAPABLE | I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE | + I40E_FLAG_NO_PCI_LINK_CHECK | I40E_FLAG_100M_SGMII_CAPABLE | I40E_FLAG_USE_SET_LLDP_MIB | I40E_FLAG_GENEVE_OFFLOAD_CAPABLE; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 78464fa7fe1f..fcbd4be562e2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -288,10 +288,6 @@ bool stmmac_eee_init(struct stmmac_priv *priv) (priv->pcs == STMMAC_PCS_RTBI)) goto out; - /* Never init EEE in case of a switch is attached */ - if (priv->phydev->is_pseudo_fixed_link) - goto out; - /* MAC core supports the EEE feature. */ if (priv->dma_cap.eee) { int tx_lpi_timer = priv->tx_lpi_timer; @@ -771,10 +767,16 @@ static void stmmac_adjust_link(struct net_device *dev) spin_unlock_irqrestore(&priv->lock, flags); - /* At this stage, it could be needed to setup the EEE or adjust some - * MAC related HW registers. - */ - priv->eee_enabled = stmmac_eee_init(priv); + if (phydev->is_pseudo_fixed_link) + /* Stop PHY layer to call the hook to adjust the link in case + * of a switch is attached to the stmmac driver. + */ + phydev->irq = PHY_IGNORE_INTERRUPT; + else + /* At this stage, init the EEE if supported. + * Never called in case of fixed_link. + */ + priv->eee_enabled = stmmac_eee_init(priv); } /** @@ -865,10 +867,6 @@ static int stmmac_init_phy(struct net_device *dev) return -ENODEV; } - /* If attached to a switch, there is no reason to poll phy handler */ - if (phydev->is_pseudo_fixed_link) - phydev->irq = PHY_IGNORE_INTERRUPT; - pr_debug("stmmac_init_phy: %s: attached to PHY (UID 0x%x)" " Link = %d\n", dev->name, phydev->phy_id, phydev->link); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 510e90a6bb26..2c9e45f50edb 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1015,7 +1015,6 @@ static void tun_net_init(struct net_device *dev) /* Zero header length */ dev->type = ARPHRD_NONE; dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; - dev->tx_queue_len = TUN_READQ_SIZE; /* We prefer our own queue length */ break; case IFF_TAP: @@ -1027,7 +1026,6 @@ static void tun_net_init(struct net_device *dev) eth_hw_addr_random(dev); - dev->tx_queue_len = TUN_READQ_SIZE; /* We prefer our own queue length */ break; } } @@ -1481,6 +1479,8 @@ static void tun_setup(struct net_device *dev) dev->ethtool_ops = &tun_ethtool_ops; dev->destructor = tun_free_netdev; + /* We prefer our own queue length */ + dev->tx_queue_len = TUN_READQ_SIZE; } /* Trivial set of netlink ops to allow deleting tun or tap diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index cb0d5d09c2e4..8395308a2445 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2120,7 +2120,10 @@ struct napi_gro_cb { /* Used in foo-over-udp, set in udp[46]_gro_receive */ u8 is_ipv6:1; - /* 7 bit hole */ + /* Used in GRE, set in fou/gue_gro_receive */ + u8 is_fou:1; + + /* 6 bit hole */ /* used to support CHECKSUM_COMPLETE for tunneling protocols */ __wsum csum; diff --git a/include/net/act_api.h b/include/net/act_api.h index 2a19fe111c78..03e322b30218 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -135,6 +135,7 @@ void tcf_hashinfo_destroy(const struct tc_action_ops *ops, static inline void tc_action_net_exit(struct tc_action_net *tn) { tcf_hashinfo_destroy(tn->ops, tn->hinfo); + kfree(tn->hinfo); } int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb, diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 65521cfdcade..03fb33efcae2 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -386,11 +386,9 @@ static inline struct list_head *sctp_list_dequeue(struct list_head *list) { struct list_head *result = NULL; - if (list->next != list) { + if (!list_empty(list)) { result = list->next; - list->next = result->next; - list->next->prev = list; - INIT_LIST_HEAD(result); + list_del_init(result); } return result; } diff --git a/lib/test_bpf.c b/lib/test_bpf.c index 27a7a26b1ece..8f22fbedc3a6 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -2444,6 +2444,22 @@ static struct bpf_test tests[] = { { { 0, 4294967295U } }, }, { + "ALU_ADD_X: 2 + 4294967294 = 0", + .u.insns_int = { + BPF_LD_IMM64(R0, 2), + BPF_LD_IMM64(R1, 4294967294U), + BPF_ALU32_REG(BPF_ADD, R0, R1), + BPF_JMP_IMM(BPF_JEQ, R0, 0, 2), + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_EXIT_INSN(), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, + { "ALU64_ADD_X: 1 + 2 = 3", .u.insns_int = { BPF_LD_IMM64(R0, 1), @@ -2467,6 +2483,23 @@ static struct bpf_test tests[] = { { }, { { 0, 4294967295U } }, }, + { + "ALU64_ADD_X: 2 + 4294967294 = 4294967296", + .u.insns_int = { + BPF_LD_IMM64(R0, 2), + BPF_LD_IMM64(R1, 4294967294U), + BPF_LD_IMM64(R2, 4294967296ULL), + BPF_ALU64_REG(BPF_ADD, R0, R1), + BPF_JMP_REG(BPF_JEQ, R0, R2, 2), + BPF_MOV32_IMM(R0, 0), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, /* BPF_ALU | BPF_ADD | BPF_K */ { "ALU_ADD_K: 1 + 2 = 3", @@ -2502,6 +2535,21 @@ static struct bpf_test tests[] = { { { 0, 4294967295U } }, }, { + "ALU_ADD_K: 4294967294 + 2 = 0", + .u.insns_int = { + BPF_LD_IMM64(R0, 4294967294U), + BPF_ALU32_IMM(BPF_ADD, R0, 2), + BPF_JMP_IMM(BPF_JEQ, R0, 0, 2), + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_EXIT_INSN(), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, + { "ALU_ADD_K: 0 + (-1) = 0x00000000ffffffff", .u.insns_int = { BPF_LD_IMM64(R2, 0x0), @@ -2518,6 +2566,70 @@ static struct bpf_test tests[] = { { { 0, 0x1 } }, }, { + "ALU_ADD_K: 0 + 0xffff = 0xffff", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0xffff), + BPF_ALU32_IMM(BPF_ADD, R2, 0xffff), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU_ADD_K: 0 + 0x7fffffff = 0x7fffffff", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0x7fffffff), + BPF_ALU32_IMM(BPF_ADD, R2, 0x7fffffff), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU_ADD_K: 0 + 0x80000000 = 0x80000000", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0x80000000), + BPF_ALU32_IMM(BPF_ADD, R2, 0x80000000), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU_ADD_K: 0 + 0x80008000 = 0x80008000", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0x80008000), + BPF_ALU32_IMM(BPF_ADD, R2, 0x80008000), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { "ALU64_ADD_K: 1 + 2 = 3", .u.insns_int = { BPF_LD_IMM64(R0, 1), @@ -2551,6 +2663,22 @@ static struct bpf_test tests[] = { { { 0, 2147483647 } }, }, { + "ALU64_ADD_K: 4294967294 + 2 = 4294967296", + .u.insns_int = { + BPF_LD_IMM64(R0, 4294967294U), + BPF_LD_IMM64(R1, 4294967296ULL), + BPF_ALU64_IMM(BPF_ADD, R0, 2), + BPF_JMP_REG(BPF_JEQ, R0, R1, 2), + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_EXIT_INSN(), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, + { "ALU64_ADD_K: 2147483646 + -2147483647 = -1", .u.insns_int = { BPF_LD_IMM64(R0, 2147483646), @@ -2593,6 +2721,70 @@ static struct bpf_test tests[] = { { }, { { 0, 0x1 } }, }, + { + "ALU64_ADD_K: 0 + 0xffff = 0xffff", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0xffff), + BPF_ALU64_IMM(BPF_ADD, R2, 0xffff), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU64_ADD_K: 0 + 0x7fffffff = 0x7fffffff", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0x7fffffff), + BPF_ALU64_IMM(BPF_ADD, R2, 0x7fffffff), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU64_ADD_K: 0 + 0x80000000 = 0xffffffff80000000", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0xffffffff80000000LL), + BPF_ALU64_IMM(BPF_ADD, R2, 0x80000000), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, + { + "ALU_ADD_K: 0 + 0x80008000 = 0xffffffff80008000", + .u.insns_int = { + BPF_LD_IMM64(R2, 0x0), + BPF_LD_IMM64(R3, 0xffffffff80008000LL), + BPF_ALU64_IMM(BPF_ADD, R2, 0x80008000), + BPF_JMP_REG(BPF_JEQ, R2, R3, 2), + BPF_MOV32_IMM(R0, 2), + BPF_EXIT_INSN(), + BPF_MOV32_IMM(R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 0x1 } }, + }, /* BPF_ALU | BPF_SUB | BPF_X */ { "ALU_SUB_X: 3 - 1 = 2", @@ -4222,6 +4414,20 @@ static struct bpf_test tests[] = { { }, { { 0, 1 } }, }, + { + "JMP_JGT_K: Unsigned jump: if (-1 > 1) return 1", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_LD_IMM64(R1, -1), + BPF_JMP_IMM(BPF_JGT, R1, 1, 1), + BPF_EXIT_INSN(), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, /* BPF_JMP | BPF_JGE | BPF_K */ { "JMP_JGE_K: if (3 >= 2) return 1", @@ -4303,7 +4509,7 @@ static struct bpf_test tests[] = { .u.insns_int = { BPF_ALU32_IMM(BPF_MOV, R0, 0), BPF_LD_IMM64(R1, 3), - BPF_JMP_IMM(BPF_JNE, R1, 2, 1), + BPF_JMP_IMM(BPF_JSET, R1, 2, 1), BPF_EXIT_INSN(), BPF_ALU32_IMM(BPF_MOV, R0, 1), BPF_EXIT_INSN(), @@ -4317,7 +4523,7 @@ static struct bpf_test tests[] = { .u.insns_int = { BPF_ALU32_IMM(BPF_MOV, R0, 0), BPF_LD_IMM64(R1, 3), - BPF_JMP_IMM(BPF_JNE, R1, 0xffffffff, 1), + BPF_JMP_IMM(BPF_JSET, R1, 0xffffffff, 1), BPF_EXIT_INSN(), BPF_ALU32_IMM(BPF_MOV, R0, 1), BPF_EXIT_INSN(), @@ -4404,6 +4610,21 @@ static struct bpf_test tests[] = { { }, { { 0, 1 } }, }, + { + "JMP_JGT_X: Unsigned jump: if (-1 > 1) return 1", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_LD_IMM64(R1, -1), + BPF_LD_IMM64(R2, 1), + BPF_JMP_REG(BPF_JGT, R1, R2, 1), + BPF_EXIT_INSN(), + BPF_ALU32_IMM(BPF_MOV, R0, 1), + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, /* BPF_JMP | BPF_JGE | BPF_X */ { "JMP_JGE_X: if (3 >= 2) return 1", @@ -4474,7 +4695,7 @@ static struct bpf_test tests[] = { BPF_ALU32_IMM(BPF_MOV, R0, 0), BPF_LD_IMM64(R1, 3), BPF_LD_IMM64(R2, 2), - BPF_JMP_REG(BPF_JNE, R1, R2, 1), + BPF_JMP_REG(BPF_JSET, R1, R2, 1), BPF_EXIT_INSN(), BPF_ALU32_IMM(BPF_MOV, R0, 1), BPF_EXIT_INSN(), @@ -4489,7 +4710,7 @@ static struct bpf_test tests[] = { BPF_ALU32_IMM(BPF_MOV, R0, 0), BPF_LD_IMM64(R1, 3), BPF_LD_IMM64(R2, 0xffffffff), - BPF_JMP_REG(BPF_JNE, R1, R2, 1), + BPF_JMP_REG(BPF_JSET, R1, R2, 1), BPF_EXIT_INSN(), BPF_ALU32_IMM(BPF_MOV, R0, 1), BPF_EXIT_INSN(), diff --git a/net/core/dev.c b/net/core/dev.c index b9bcbe77d913..77a71cd68535 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4439,6 +4439,7 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff NAPI_GRO_CB(skb)->flush = 0; NAPI_GRO_CB(skb)->free = 0; NAPI_GRO_CB(skb)->encap_mark = 0; + NAPI_GRO_CB(skb)->is_fou = 0; NAPI_GRO_CB(skb)->gro_remcsum_start = 0; /* Setup for GRO checksum validation */ diff --git a/net/core/netpoll.c b/net/core/netpoll.c index a57bd17805b4..94acfc89ad97 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -603,6 +603,7 @@ int __netpoll_setup(struct netpoll *np, struct net_device *ndev) const struct net_device_ops *ops; int err; + np->dev = ndev; strlcpy(np->dev_name, ndev->name, IFNAMSIZ); INIT_WORK(&np->cleanup_work, netpoll_async_cleanup); @@ -669,7 +670,6 @@ int netpoll_setup(struct netpoll *np) goto unlock; } dev_hold(ndev); - np->dev = ndev; if (netdev_master_upper_dev_get(ndev)) { np_err(np, "%s is a slave device, aborting\n", np->dev_name); @@ -770,7 +770,6 @@ int netpoll_setup(struct netpoll *np) return 0; put: - np->dev = NULL; dev_put(ndev); unlock: rtnl_unlock(); diff --git a/net/core/sock.c b/net/core/sock.c index b67b9aedb230..7e73c26b6bb4 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -221,7 +221,8 @@ static const char *const af_family_key_strings[AF_MAX+1] = { "sk_lock-AF_TIPC" , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV" , "sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN" , "sk_lock-AF_PHONET" , "sk_lock-AF_IEEE802154", "sk_lock-AF_CAIF" , "sk_lock-AF_ALG" , - "sk_lock-AF_NFC" , "sk_lock-AF_VSOCK" , "sk_lock-AF_MAX" + "sk_lock-AF_NFC" , "sk_lock-AF_VSOCK" , "sk_lock-AF_KCM" , + "sk_lock-AF_MAX" }; static const char *const af_family_slock_key_strings[AF_MAX+1] = { "slock-AF_UNSPEC", "slock-AF_UNIX" , "slock-AF_INET" , @@ -237,7 +238,8 @@ static const char *const af_family_slock_key_strings[AF_MAX+1] = { "slock-AF_TIPC" , "slock-AF_BLUETOOTH", "slock-AF_IUCV" , "slock-AF_RXRPC" , "slock-AF_ISDN" , "slock-AF_PHONET" , "slock-AF_IEEE802154", "slock-AF_CAIF" , "slock-AF_ALG" , - "slock-AF_NFC" , "slock-AF_VSOCK" ,"slock-AF_MAX" + "slock-AF_NFC" , "slock-AF_VSOCK" ,"slock-AF_KCM" , + "slock-AF_MAX" }; static const char *const af_family_clock_key_strings[AF_MAX+1] = { "clock-AF_UNSPEC", "clock-AF_UNIX" , "clock-AF_INET" , @@ -253,7 +255,8 @@ static const char *const af_family_clock_key_strings[AF_MAX+1] = { "clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" , "clock-AF_RXRPC" , "clock-AF_ISDN" , "clock-AF_PHONET" , "clock-AF_IEEE802154", "clock-AF_CAIF" , "clock-AF_ALG" , - "clock-AF_NFC" , "clock-AF_VSOCK" , "clock-AF_MAX" + "clock-AF_NFC" , "clock-AF_VSOCK" , "clock-AF_KCM" , + "clock-AF_MAX" }; /* diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index 5a94aea280d3..a39068b4a4d9 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -203,6 +203,9 @@ static struct sk_buff **fou_gro_receive(struct sk_buff **head, */ NAPI_GRO_CB(skb)->encap_mark = 0; + /* Flag this frame as already having an outer encap header */ + NAPI_GRO_CB(skb)->is_fou = 1; + rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); @@ -368,6 +371,9 @@ static struct sk_buff **gue_gro_receive(struct sk_buff **head, */ NAPI_GRO_CB(skb)->encap_mark = 0; + /* Flag this frame as already having an outer encap header */ + NAPI_GRO_CB(skb)->is_fou = 1; + rcu_read_lock(); offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[guehdr->proto_ctype]); diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c index c47539d04b88..6a5bd4317866 100644 --- a/net/ipv4/gre_offload.c +++ b/net/ipv4/gre_offload.c @@ -150,6 +150,14 @@ static struct sk_buff **gre_gro_receive(struct sk_buff **head, if ((greh->flags & ~(GRE_KEY|GRE_CSUM)) != 0) goto out; + /* We can only support GRE_CSUM if we can track the location of + * the GRE header. In the case of FOU/GUE we cannot because the + * outer UDP header displaces the GRE header leaving us in a state + * of limbo. + */ + if ((greh->flags & GRE_CSUM) && NAPI_GRO_CB(skb)->is_fou) + goto out; + type = greh->protocol; rcu_read_lock(); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 31936d387cfd..af5d1f38217f 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -862,9 +862,16 @@ static void __gre_tunnel_init(struct net_device *dev) dev->hw_features |= GRE_FEATURES; if (!(tunnel->parms.o_flags & TUNNEL_SEQ)) { - /* TCP offload with GRE SEQ is not supported. */ - dev->features |= NETIF_F_GSO_SOFTWARE; - dev->hw_features |= NETIF_F_GSO_SOFTWARE; + /* TCP offload with GRE SEQ is not supported, nor + * can we support 2 levels of outer headers requiring + * an update. + */ + if (!(tunnel->parms.o_flags & TUNNEL_CSUM) || + (tunnel->encap.type == TUNNEL_ENCAP_NONE)) { + dev->features |= NETIF_F_GSO_SOFTWARE; + dev->hw_features |= NETIF_F_GSO_SOFTWARE; + } + /* Can use a lockless transmit, unless we generate * output sequences */ diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 9428345d3a07..bc972e7152c7 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1090,8 +1090,8 @@ static inline int ip6_ufo_append_data(struct sock *sk, int getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb), void *from, int length, int hh_len, int fragheaderlen, - int transhdrlen, int mtu, unsigned int flags, - const struct flowi6 *fl6) + int exthdrlen, int transhdrlen, int mtu, + unsigned int flags, const struct flowi6 *fl6) { struct sk_buff *skb; @@ -1116,7 +1116,7 @@ static inline int ip6_ufo_append_data(struct sock *sk, skb_put(skb, fragheaderlen + transhdrlen); /* initialize network header pointer */ - skb_reset_network_header(skb); + skb_set_network_header(skb, exthdrlen); /* initialize protocol header pointer */ skb->transport_header = skb->network_header + fragheaderlen; @@ -1358,7 +1358,7 @@ emsgsize: (rt->dst.dev->features & NETIF_F_UFO) && (sk->sk_type == SOCK_DGRAM) && !udp_get_no_check6_tx(sk)) { err = ip6_ufo_append_data(sk, queue, getfrag, from, length, - hh_len, fragheaderlen, + hh_len, fragheaderlen, exthdrlen, transhdrlen, mtu, flags, fl6); if (err) goto error; diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index eb2ac4bb09ce..1f20345cbc97 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -252,12 +252,12 @@ static int ip6_tnl_create2(struct net_device *dev) t = netdev_priv(dev); + dev->rtnl_link_ops = &ip6_link_ops; err = register_netdevice(dev); if (err < 0) goto out; strcpy(t->parms.name, dev->name); - dev->rtnl_link_ops = &ip6_link_ops; dev_hold(dev); ip6_tnl_link(ip6n, t); diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index ec22078b0914..42de4ccd159f 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -123,12 +123,11 @@ static int l2tp_ip_recv(struct sk_buff *skb) struct l2tp_tunnel *tunnel = NULL; int length; - /* Point to L2TP header */ - optr = ptr = skb->data; - if (!pskb_may_pull(skb, 4)) goto discard; + /* Point to L2TP header */ + optr = ptr = skb->data; session_id = ntohl(*((__be32 *) ptr)); ptr += 4; @@ -156,6 +155,9 @@ static int l2tp_ip_recv(struct sk_buff *skb) if (!pskb_may_pull(skb, length)) goto discard; + /* Point to L2TP header */ + optr = ptr = skb->data; + ptr += 4; pr_debug("%s: ip recv\n", tunnel->name); print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length); } diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index 6b54ff3ff4cb..cd479903d943 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -136,12 +136,11 @@ static int l2tp_ip6_recv(struct sk_buff *skb) struct l2tp_tunnel *tunnel = NULL; int length; - /* Point to L2TP header */ - optr = ptr = skb->data; - if (!pskb_may_pull(skb, 4)) goto discard; + /* Point to L2TP header */ + optr = ptr = skb->data; session_id = ntohl(*((__be32 *) ptr)); ptr += 4; @@ -169,6 +168,9 @@ static int l2tp_ip6_recv(struct sk_buff *skb) if (!pskb_may_pull(skb, length)) goto discard; + /* Point to L2TP header */ + optr = ptr = skb->data; + ptr += 4; pr_debug("%s: ip recv\n", tunnel->name); print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length); } diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index b18c5ed42d95..0b80a7140cc4 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -543,6 +543,9 @@ static struct net_device *find_outdev(struct net *net, if (!dev) return ERR_PTR(-ENODEV); + if (IS_ERR(dev)) + return dev; + /* The caller is holding rtnl anyways, so release the dev reference */ dev_put(dev); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 1ecfa710ca98..f12c17f355d9 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -4151,7 +4151,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, /* Opening a Tx-ring is NOT supported in TPACKET_V3 */ if (!closing && tx_ring && (po->tp_version > TPACKET_V2)) { - WARN(1, "Tx-ring is not supported.\n"); + net_warn_ratelimited("Tx-ring is not supported.\n"); goto out; } diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c index 977fb86065b7..abc8cc805e8d 100644 --- a/net/rds/ib_recv.c +++ b/net/rds/ib_recv.c @@ -796,7 +796,7 @@ static void rds_ib_cong_recv(struct rds_connection *conn, addr = kmap_atomic(sg_page(&frag->f_sg)); - src = addr + frag_off; + src = addr + frag->f_sg.offset + frag_off; dst = (void *)map->m_page_addrs[map_page] + map_off; for (k = 0; k < to_copy; k += 8) { /* Record ports that became uncongested, ie diff --git a/net/rds/page.c b/net/rds/page.c index 616f21f4e7d7..e2b5a5832d3d 100644 --- a/net/rds/page.c +++ b/net/rds/page.c @@ -135,8 +135,8 @@ int rds_page_remainder_alloc(struct scatterlist *scat, unsigned long bytes, if (rem->r_offset != 0) rds_stats_inc(s_page_remainder_hit); - rem->r_offset += bytes; - if (rem->r_offset == PAGE_SIZE) { + rem->r_offset += ALIGN(bytes, 8); + if (rem->r_offset >= PAGE_SIZE) { __free_page(rem->r_page); rem->r_page = NULL; } diff --git a/net/sctp/output.c b/net/sctp/output.c index 97745351d58c..9844fe573029 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -705,7 +705,8 @@ static sctp_xmit_t sctp_packet_can_append_data(struct sctp_packet *packet, /* Check whether this chunk and all the rest of pending data will fit * or delay in hopes of bundling a full sized packet. */ - if (chunk->skb->len + q->out_qlen >= transport->pathmtu - packet->overhead) + if (chunk->skb->len + q->out_qlen > + transport->pathmtu - packet->overhead - sizeof(sctp_data_chunk_t) - 4) /* Enough data queued to fill a packet */ return SCTP_XMIT_OK; diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index 0a369bb440e7..662bdd20a748 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -842,7 +842,7 @@ static void vmci_transport_peer_detach_cb(u32 sub_id, * qp_handle. */ if (vmci_handle_is_invalid(e_payload->handle) || - vmci_handle_is_equal(trans->qp_handle, e_payload->handle)) + !vmci_handle_is_equal(trans->qp_handle, e_payload->handle)) return; /* We don't ask for delayed CBs when we subscribe to this event (we @@ -2154,7 +2154,7 @@ module_exit(vmci_transport_exit); MODULE_AUTHOR("VMware, Inc."); MODULE_DESCRIPTION("VMCI transport for Virtual Sockets"); -MODULE_VERSION("1.0.2.0-k"); +MODULE_VERSION("1.0.3.0-k"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("vmware_vsock"); MODULE_ALIAS_NETPROTO(PF_VSOCK); diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 502c9fc8db85..b820cc96a3bc 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -76,16 +76,10 @@ HOSTLOADLIBES_offwaketime += -lelf HOSTLOADLIBES_spintest += -lelf HOSTLOADLIBES_map_perf_test += -lelf -lrt -# point this to your LLVM backend with bpf support -LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc - -# asm/sysreg.h inline assmbly used by it is incompatible with llvm. -# But, ehere is not easy way to fix it, so just exclude it since it is +# asm/sysreg.h - inline assembly used by it is incompatible with llvm. +# But, there is no easy way to fix it, so just exclude it since it is # useless for BPF samples. $(obj)/%.o: $(src)/%.c clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \ - -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@ - clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ - -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \ - -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=asm -o $@.s + -O2 -emit-llvm -c $< -o -| llc -march=bpf -filetype=obj -o $@ diff --git a/samples/bpf/bpf_helpers.h b/samples/bpf/bpf_helpers.h index 9363500131a7..7904a2a493de 100644 --- a/samples/bpf/bpf_helpers.h +++ b/samples/bpf/bpf_helpers.h @@ -82,6 +82,7 @@ static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flag #define PT_REGS_FP(x) ((x)->bp) #define PT_REGS_RC(x) ((x)->ax) #define PT_REGS_SP(x) ((x)->sp) +#define PT_REGS_IP(x) ((x)->ip) #elif defined(__s390x__) @@ -94,6 +95,7 @@ static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flag #define PT_REGS_FP(x) ((x)->gprs[11]) /* Works only with CONFIG_FRAME_POINTER */ #define PT_REGS_RC(x) ((x)->gprs[2]) #define PT_REGS_SP(x) ((x)->gprs[15]) +#define PT_REGS_IP(x) ((x)->ip) #elif defined(__aarch64__) @@ -106,6 +108,30 @@ static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flag #define PT_REGS_FP(x) ((x)->regs[29]) /* Works only with CONFIG_FRAME_POINTER */ #define PT_REGS_RC(x) ((x)->regs[0]) #define PT_REGS_SP(x) ((x)->sp) +#define PT_REGS_IP(x) ((x)->pc) + +#elif defined(__powerpc__) + +#define PT_REGS_PARM1(x) ((x)->gpr[3]) +#define PT_REGS_PARM2(x) ((x)->gpr[4]) +#define PT_REGS_PARM3(x) ((x)->gpr[5]) +#define PT_REGS_PARM4(x) ((x)->gpr[6]) +#define PT_REGS_PARM5(x) ((x)->gpr[7]) +#define PT_REGS_RC(x) ((x)->gpr[3]) +#define PT_REGS_SP(x) ((x)->sp) +#define PT_REGS_IP(x) ((x)->nip) #endif + +#ifdef __powerpc__ +#define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ (ip) = (ctx)->link; }) +#define BPF_KRETPROBE_READ_RET_IP BPF_KPROBE_READ_RET_IP +#else +#define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ \ + bpf_probe_read(&(ip), sizeof(ip), (void *)PT_REGS_RET(ctx)); }) +#define BPF_KRETPROBE_READ_RET_IP(ip, ctx) ({ \ + bpf_probe_read(&(ip), sizeof(ip), \ + (void *)(PT_REGS_FP(ctx) + sizeof(ip))); }) +#endif + #endif diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c index 95af56ec5739..3147377e8fd3 100644 --- a/samples/bpf/map_perf_test_user.c +++ b/samples/bpf/map_perf_test_user.c @@ -17,6 +17,7 @@ #include <linux/bpf.h> #include <string.h> #include <time.h> +#include <sys/resource.h> #include "libbpf.h" #include "bpf_load.h" diff --git a/samples/bpf/spintest_kern.c b/samples/bpf/spintest_kern.c index 4b27619d91a4..ce0167d09cdc 100644 --- a/samples/bpf/spintest_kern.c +++ b/samples/bpf/spintest_kern.c @@ -34,7 +34,7 @@ struct bpf_map_def SEC("maps") stackmap = { #define PROG(foo) \ int foo(struct pt_regs *ctx) \ { \ - long v = ctx->ip, *val; \ + long v = PT_REGS_IP(ctx), *val; \ \ val = bpf_map_lookup_elem(&my_map, &v); \ bpf_map_update_elem(&my_map, &v, &v, BPF_ANY); \ diff --git a/samples/bpf/tracex2_kern.c b/samples/bpf/tracex2_kern.c index 09c1adc27d42..6d6eefd0d465 100644 --- a/samples/bpf/tracex2_kern.c +++ b/samples/bpf/tracex2_kern.c @@ -27,10 +27,10 @@ int bpf_prog2(struct pt_regs *ctx) long init_val = 1; long *value; - /* x64/s390x specific: read ip of kfree_skb caller. + /* read ip of kfree_skb caller. * non-portable version of __builtin_return_address(0) */ - bpf_probe_read(&loc, sizeof(loc), (void *)PT_REGS_RET(ctx)); + BPF_KPROBE_READ_RET_IP(loc, ctx); value = bpf_map_lookup_elem(&my_map, &loc); if (value) diff --git a/samples/bpf/tracex4_kern.c b/samples/bpf/tracex4_kern.c index ac4671420cf1..6dd8e384de96 100644 --- a/samples/bpf/tracex4_kern.c +++ b/samples/bpf/tracex4_kern.c @@ -40,7 +40,7 @@ int bpf_prog2(struct pt_regs *ctx) long ip = 0; /* get ip address of kmem_cache_alloc_node() caller */ - bpf_probe_read(&ip, sizeof(ip), (void *)(PT_REGS_FP(ctx) + sizeof(ip))); + BPF_KRETPROBE_READ_RET_IP(ip, ctx); struct pair v = { .val = bpf_ktime_get_ns(), |
