diff options
48 files changed, 583 insertions, 197 deletions
diff --git a/Documentation/networking/netdev-FAQ.rst b/Documentation/networking/netdev-FAQ.rst index 91b2cf712801..e26532f49760 100644 --- a/Documentation/networking/netdev-FAQ.rst +++ b/Documentation/networking/netdev-FAQ.rst @@ -228,6 +228,23 @@ before posting to the mailing list. The patchwork build bot instance gets overloaded very easily and netdev@vger really doesn't need more traffic if we can help it. +netdevsim is great, can I extend it for my out-of-tree tests? +------------------------------------------------------------- + +No, `netdevsim` is a test vehicle solely for upstream tests. +(Please add your tests under tools/testing/selftests/.) + +We also give no guarantees that `netdevsim` won't change in the future +in a way which would break what would normally be considered uAPI. + +Is netdevsim considered a "user" of an API? +------------------------------------------- + +Linux kernel has a long standing rule that no API should be added unless +it has a real, in-tree user. Mock-ups and tests based on `netdevsim` are +strongly encouraged when adding new APIs, but `netdevsim` in itself +is **not** considered a use case/user. + Any other tips to help ensure my net/net-next patch gets OK'd? -------------------------------------------------------------- Attention to detail. Re-read your own work as if you were the diff --git a/Documentation/networking/operstates.rst b/Documentation/networking/operstates.rst index 9c918f7cb0e8..1ee2141e8ef1 100644 --- a/Documentation/networking/operstates.rst +++ b/Documentation/networking/operstates.rst @@ -73,7 +73,9 @@ IF_OPER_LOWERLAYERDOWN (3): state (f.e. VLAN). IF_OPER_TESTING (4): - Unused in current kernel. + Interface is in testing mode, for example executing driver self-tests + or media (cable) test. It can't be used for normal traffic until tests + complete. IF_OPER_DORMANT (5): Interface is L1 up, but waiting for an external event, f.e. for a @@ -111,7 +113,7 @@ it as lower layer. Note that for certain kind of soft-devices, which are not managing any real hardware, it is possible to set this bit from userspace. One -should use TVL IFLA_CARRIER to do so. +should use TLV IFLA_CARRIER to do so. netif_carrier_ok() can be used to query that bit. diff --git a/drivers/bus/mhi/core/internal.h b/drivers/bus/mhi/core/internal.h index 5b9ea66b92dc..bc239a11aa69 100644 --- a/drivers/bus/mhi/core/internal.h +++ b/drivers/bus/mhi/core/internal.h @@ -682,7 +682,7 @@ void mhi_rddm_prepare(struct mhi_controller *mhi_cntrl, struct image_info *img_info); void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl); int mhi_prepare_channel(struct mhi_controller *mhi_cntrl, - struct mhi_chan *mhi_chan); + struct mhi_chan *mhi_chan, unsigned int flags); int mhi_init_chan_ctxt(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan); void mhi_deinit_chan_ctxt(struct mhi_controller *mhi_cntrl, diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c index fc9196f11cb7..84448233f64c 100644 --- a/drivers/bus/mhi/core/main.c +++ b/drivers/bus/mhi/core/main.c @@ -1430,7 +1430,7 @@ exit_unprepare_channel: } int mhi_prepare_channel(struct mhi_controller *mhi_cntrl, - struct mhi_chan *mhi_chan) + struct mhi_chan *mhi_chan, unsigned int flags) { int ret = 0; struct device *dev = &mhi_chan->mhi_dev->dev; @@ -1455,6 +1455,9 @@ int mhi_prepare_channel(struct mhi_controller *mhi_cntrl, if (ret) goto error_pm_state; + if (mhi_chan->dir == DMA_FROM_DEVICE) + mhi_chan->pre_alloc = !!(flags & MHI_CH_INBOUND_ALLOC_BUFS); + /* Pre-allocate buffer for xfer ring */ if (mhi_chan->pre_alloc) { int nr_el = get_nr_avail_ring_elements(mhi_cntrl, @@ -1610,7 +1613,7 @@ void mhi_reset_chan(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan) } /* Move channel to start state */ -int mhi_prepare_for_transfer(struct mhi_device *mhi_dev) +int mhi_prepare_for_transfer(struct mhi_device *mhi_dev, unsigned int flags) { int ret, dir; struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl; @@ -1621,7 +1624,7 @@ int mhi_prepare_for_transfer(struct mhi_device *mhi_dev) if (!mhi_chan) continue; - ret = mhi_prepare_channel(mhi_cntrl, mhi_chan); + ret = mhi_prepare_channel(mhi_cntrl, mhi_chan, flags); if (ret) goto error_open_chan; } diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c index ca2ad77b71f1..6686192e1883 100644 --- a/drivers/net/dsa/qca/ar9331.c +++ b/drivers/net/dsa/qca/ar9331.c @@ -837,16 +837,24 @@ static int ar9331_mdio_write(void *ctx, u32 reg, u32 val) return 0; } - ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg, val); + /* In case of this switch we work with 32bit registers on top of 16bit + * bus. Some registers (for example access to forwarding database) have + * trigger bit on the first 16bit half of request, the result and + * configuration of request in the second half. + * To make it work properly, we should do the second part of transfer + * before the first one is done. + */ + ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg + 2, + val >> 16); if (ret < 0) goto error; - ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg + 2, - val >> 16); + ret = __ar9331_mdio_write(sbus, AR9331_SW_MDIO_PHY_MODE_REG, reg, val); if (ret < 0) goto error; return 0; + error: dev_err_ratelimited(&sbus->dev, "Bus error. Failed to write register.\n"); return ret; diff --git a/drivers/net/dsa/sja1105/sja1105_dynamic_config.c b/drivers/net/dsa/sja1105/sja1105_dynamic_config.c index 56fead68ea9f..147709131c13 100644 --- a/drivers/net/dsa/sja1105/sja1105_dynamic_config.c +++ b/drivers/net/dsa/sja1105/sja1105_dynamic_config.c @@ -304,6 +304,15 @@ sja1105pqrs_common_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, hostcmd = SJA1105_HOSTCMD_INVALIDATE; } sja1105_packing(p, &hostcmd, 25, 23, size, op); +} + +static void +sja1105pqrs_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, + enum packing_op op) +{ + int entry_size = SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY; + + sja1105pqrs_common_l2_lookup_cmd_packing(buf, cmd, op, entry_size); /* Hack - The hardware takes the 'index' field within * struct sja1105_l2_lookup_entry as the index on which this command @@ -313,26 +322,18 @@ sja1105pqrs_common_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, * such that our API doesn't need to ask for a full-blown entry * structure when e.g. a delete is requested. */ - sja1105_packing(buf, &cmd->index, 15, 6, - SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY, op); -} - -static void -sja1105pqrs_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, - enum packing_op op) -{ - int size = SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY; - - return sja1105pqrs_common_l2_lookup_cmd_packing(buf, cmd, op, size); + sja1105_packing(buf, &cmd->index, 15, 6, entry_size, op); } static void sja1110_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd, enum packing_op op) { - int size = SJA1110_SIZE_L2_LOOKUP_ENTRY; + int entry_size = SJA1110_SIZE_L2_LOOKUP_ENTRY; + + sja1105pqrs_common_l2_lookup_cmd_packing(buf, cmd, op, entry_size); - return sja1105pqrs_common_l2_lookup_cmd_packing(buf, cmd, op, size); + sja1105_packing(buf, &cmd->index, 10, 1, entry_size, op); } /* The switch is so retarded that it makes our command/entry abstraction diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index e2dc997580a8..8667c9754330 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -1318,10 +1318,11 @@ static int sja1105et_is_fdb_entry_in_bin(struct sja1105_private *priv, int bin, int sja1105et_fdb_add(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid) { - struct sja1105_l2_lookup_entry l2_lookup = {0}; + struct sja1105_l2_lookup_entry l2_lookup = {0}, tmp; struct sja1105_private *priv = ds->priv; struct device *dev = ds->dev; int last_unused = -1; + int start, end, i; int bin, way, rc; bin = sja1105et_fdb_hash(priv, addr, vid); @@ -1333,7 +1334,7 @@ int sja1105et_fdb_add(struct dsa_switch *ds, int port, * mask? If yes, we need to do nothing. If not, we need * to rewrite the entry by adding this port to it. */ - if (l2_lookup.destports & BIT(port)) + if ((l2_lookup.destports & BIT(port)) && l2_lookup.lockeds) return 0; l2_lookup.destports |= BIT(port); } else { @@ -1364,6 +1365,7 @@ int sja1105et_fdb_add(struct dsa_switch *ds, int port, index, NULL, false); } } + l2_lookup.lockeds = true; l2_lookup.index = sja1105et_fdb_index(bin, way); rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP, @@ -1372,6 +1374,29 @@ int sja1105et_fdb_add(struct dsa_switch *ds, int port, if (rc < 0) return rc; + /* Invalidate a dynamically learned entry if that exists */ + start = sja1105et_fdb_index(bin, 0); + end = sja1105et_fdb_index(bin, way); + + for (i = start; i < end; i++) { + rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP, + i, &tmp); + if (rc == -ENOENT) + continue; + if (rc) + return rc; + + if (tmp.macaddr != ether_addr_to_u64(addr) || tmp.vlanid != vid) + continue; + + rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP, + i, NULL, false); + if (rc) + return rc; + + break; + } + return sja1105_static_fdb_change(priv, port, &l2_lookup, true); } @@ -1413,32 +1438,30 @@ int sja1105et_fdb_del(struct dsa_switch *ds, int port, int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid) { - struct sja1105_l2_lookup_entry l2_lookup = {0}; + struct sja1105_l2_lookup_entry l2_lookup = {0}, tmp; struct sja1105_private *priv = ds->priv; int rc, i; /* Search for an existing entry in the FDB table */ l2_lookup.macaddr = ether_addr_to_u64(addr); l2_lookup.vlanid = vid; - l2_lookup.iotag = SJA1105_S_TAG; l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0); - if (priv->vlan_state != SJA1105_VLAN_UNAWARE) { - l2_lookup.mask_vlanid = VLAN_VID_MASK; - l2_lookup.mask_iotag = BIT(0); - } else { - l2_lookup.mask_vlanid = 0; - l2_lookup.mask_iotag = 0; - } + l2_lookup.mask_vlanid = VLAN_VID_MASK; l2_lookup.destports = BIT(port); + tmp = l2_lookup; + rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP, - SJA1105_SEARCH, &l2_lookup); - if (rc == 0) { - /* Found and this port is already in the entry's + SJA1105_SEARCH, &tmp); + if (rc == 0 && tmp.index != SJA1105_MAX_L2_LOOKUP_COUNT - 1) { + /* Found a static entry and this port is already in the entry's * port mask => job done */ - if (l2_lookup.destports & BIT(port)) + if ((tmp.destports & BIT(port)) && tmp.lockeds) return 0; + + l2_lookup = tmp; + /* l2_lookup.index is populated by the switch in case it * found something. */ @@ -1460,16 +1483,46 @@ int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port, dev_err(ds->dev, "FDB is full, cannot add entry.\n"); return -EINVAL; } - l2_lookup.lockeds = true; l2_lookup.index = i; skip_finding_an_index: + l2_lookup.lockeds = true; + rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP, l2_lookup.index, &l2_lookup, true); if (rc < 0) return rc; + /* The switch learns dynamic entries and looks up the FDB left to + * right. It is possible that our addition was concurrent with the + * dynamic learning of the same address, so now that the static entry + * has been installed, we are certain that address learning for this + * particular address has been turned off, so the dynamic entry either + * is in the FDB at an index smaller than the static one, or isn't (it + * can also be at a larger index, but in that case it is inactive + * because the static FDB entry will match first, and the dynamic one + * will eventually age out). Search for a dynamically learned address + * prior to our static one and invalidate it. + */ + tmp = l2_lookup; + + rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP, + SJA1105_SEARCH, &tmp); + if (rc < 0) { + dev_err(ds->dev, + "port %d failed to read back entry for %pM vid %d: %pe\n", + port, addr, vid, ERR_PTR(rc)); + return rc; + } + + if (tmp.index < l2_lookup.index) { + rc = sja1105_dynamic_config_write(priv, BLK_IDX_L2_LOOKUP, + tmp.index, NULL, false); + if (rc < 0) + return rc; + } + return sja1105_static_fdb_change(priv, port, &l2_lookup, true); } @@ -1483,15 +1536,8 @@ int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port, l2_lookup.macaddr = ether_addr_to_u64(addr); l2_lookup.vlanid = vid; - l2_lookup.iotag = SJA1105_S_TAG; l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0); - if (priv->vlan_state != SJA1105_VLAN_UNAWARE) { - l2_lookup.mask_vlanid = VLAN_VID_MASK; - l2_lookup.mask_iotag = BIT(0); - } else { - l2_lookup.mask_vlanid = 0; - l2_lookup.mask_iotag = 0; - } + l2_lookup.mask_vlanid = VLAN_VID_MASK; l2_lookup.destports = BIT(port); rc = sja1105_dynamic_config_read(priv, BLK_IDX_L2_LOOKUP, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 1a6ec1a12d53..b5d954cb409a 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -2669,7 +2669,8 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) } /* Allocated memory for FW statistics */ - if (bnx2x_alloc_fw_stats_mem(bp)) + rc = bnx2x_alloc_fw_stats_mem(bp); + if (rc) LOAD_ERROR_EXIT(bp, load_error0); /* request pf to initialize status blocks */ diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 8aea707a65a7..7e4c4980ced7 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -3843,13 +3843,13 @@ fec_drv_remove(struct platform_device *pdev) if (of_phy_is_fixed_link(np)) of_phy_deregister_fixed_link(np); of_node_put(fep->phy_node); - free_netdev(ndev); clk_disable_unprepare(fep->clk_ahb); clk_disable_unprepare(fep->clk_ipg); pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); + free_netdev(ndev); return 0; } diff --git a/drivers/net/ethernet/marvell/prestera/prestera_devlink.c b/drivers/net/ethernet/marvell/prestera/prestera_devlink.c index d12e21db9fd6..fa7a0682ad1e 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_devlink.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_devlink.c @@ -530,6 +530,8 @@ err_trap_register: prestera_trap = &prestera_trap_items_arr[i]; devlink_traps_unregister(devlink, &prestera_trap->trap, 1); } + devlink_trap_groups_unregister(devlink, prestera_trap_groups_arr, + groups_count); err_groups_register: kfree(trap_data->trap_items_arr); err_trap_items_alloc: diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c b/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c index 9d485a9d1f1f..cb68eaaac881 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c @@ -13,19 +13,26 @@ */ #define VSTAX 73 -static void ifh_encode_bitfield(void *ifh, u64 value, u32 pos, u32 width) +#define ifh_encode_bitfield(ifh, value, pos, _width) \ + ({ \ + u32 width = (_width); \ + \ + /* Max width is 5 bytes - 40 bits. In worst case this will + * spread over 6 bytes - 48 bits + */ \ + compiletime_assert(width <= 40, \ + "Unsupported width, must be <= 40"); \ + __ifh_encode_bitfield((ifh), (value), (pos), width); \ + }) + +static void __ifh_encode_bitfield(void *ifh, u64 value, u32 pos, u32 width) { u8 *ifh_hdr = ifh; /* Calculate the Start IFH byte position of this IFH bit position */ u32 byte = (35 - (pos / 8)); /* Calculate the Start bit position in the Start IFH byte */ u32 bit = (pos % 8); - u64 encode = GENMASK(bit + width - 1, bit) & (value << bit); - - /* Max width is 5 bytes - 40 bits. In worst case this will - * spread over 6 bytes - 48 bits - */ - compiletime_assert(width <= 40, "Unsupported width, must be <= 40"); + u64 encode = GENMASK_ULL(bit + width - 1, bit) & (value << bit); /* The b0-b7 goes into the start IFH byte */ if (encode & 0xFF) diff --git a/drivers/net/ethernet/natsemi/natsemi.c b/drivers/net/ethernet/natsemi/natsemi.c index 51b4b25d15ad..84f7dbe9edff 100644 --- a/drivers/net/ethernet/natsemi/natsemi.c +++ b/drivers/net/ethernet/natsemi/natsemi.c @@ -819,7 +819,7 @@ static int natsemi_probe1(struct pci_dev *pdev, const struct pci_device_id *ent) printk(version); #endif - i = pci_enable_device(pdev); + i = pcim_enable_device(pdev); if (i) return i; /* natsemi has a non-standard PM control register @@ -852,7 +852,7 @@ static int natsemi_probe1(struct pci_dev *pdev, const struct pci_device_id *ent) ioaddr = ioremap(iostart, iosize); if (!ioaddr) { i = -ENOMEM; - goto err_ioremap; + goto err_pci_request_regions; } /* Work around the dropped serial bit. */ @@ -974,9 +974,6 @@ static int natsemi_probe1(struct pci_dev *pdev, const struct pci_device_id *ent) err_register_netdev: iounmap(ioaddr); - err_ioremap: - pci_release_regions(pdev); - err_pci_request_regions: free_netdev(dev); return i; @@ -3241,7 +3238,6 @@ static void natsemi_remove1(struct pci_dev *pdev) NATSEMI_REMOVE_FILE(pdev, dspcfg_workaround); unregister_netdev (dev); - pci_release_regions (pdev); iounmap(ioaddr); free_netdev (dev); } diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 82eef4c72f01..7abd13e69471 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -3512,13 +3512,13 @@ static void vxge_device_unregister(struct __vxge_hw_device *hldev) kfree(vdev->vpaths); - /* we are safe to free it now */ - free_netdev(dev); - vxge_debug_init(vdev->level_trace, "%s: ethernet device unregistered", buf); vxge_debug_entryexit(vdev->level_trace, "%s: %s:%d Exiting...", buf, __func__, __LINE__); + + /* we are safe to free it now */ + free_netdev(dev); } /* diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index 1b482446536d..8803faadd302 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -286,6 +286,8 @@ nfp_net_get_link_ksettings(struct net_device *netdev, /* Init to unknowns */ ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE); + ethtool_link_ksettings_add_link_mode(cmd, supported, Pause); + ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause); cmd->base.port = PORT_OTHER; cmd->base.speed = SPEED_UNKNOWN; cmd->base.duplex = DUPLEX_UNKNOWN; diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h index 2e62a2c4eb63..5630008f38b7 100644 --- a/drivers/net/ethernet/qlogic/qede/qede.h +++ b/drivers/net/ethernet/qlogic/qede/qede.h @@ -501,6 +501,7 @@ struct qede_fastpath { #define QEDE_SP_HW_ERR 4 #define QEDE_SP_ARFS_CONFIG 5 #define QEDE_SP_AER 7 +#define QEDE_SP_DISABLE 8 #ifdef CONFIG_RFS_ACCEL int qede_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 01ac1e93d27a..7c6064baeba2 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1009,6 +1009,13 @@ static void qede_sp_task(struct work_struct *work) struct qede_dev *edev = container_of(work, struct qede_dev, sp_task.work); + /* Disable execution of this deferred work once + * qede removal is in progress, this stop any future + * scheduling of sp_task. + */ + if (test_bit(QEDE_SP_DISABLE, &edev->sp_flags)) + return; + /* The locking scheme depends on the specific flag: * In case of QEDE_SP_RECOVERY, acquiring the RTNL lock is required to * ensure that ongoing flows are ended and new ones are not started. @@ -1300,6 +1307,7 @@ static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode) qede_rdma_dev_remove(edev, (mode == QEDE_REMOVE_RECOVERY)); if (mode != QEDE_REMOVE_RECOVERY) { + set_bit(QEDE_SP_DISABLE, &edev->sp_flags); unregister_netdev(ndev); cancel_delayed_work_sync(&edev->sp_task); diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c index 718539cdd2f2..67a08cbba859 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -2060,8 +2060,12 @@ static void am65_cpsw_port_offload_fwd_mark_update(struct am65_cpsw_common *comm for (i = 1; i <= common->port_num; i++) { struct am65_cpsw_port *port = am65_common_get_port(common, i); - struct am65_cpsw_ndev_priv *priv = am65_ndev_to_priv(port->ndev); + struct am65_cpsw_ndev_priv *priv; + if (!port->ndev) + continue; + + priv = am65_ndev_to_priv(port->ndev); priv->offload_fwd_mark = set_val; } } diff --git a/drivers/net/mhi/net.c b/drivers/net/mhi/net.c index e60e38c1f09d..11be6bcdd551 100644 --- a/drivers/net/mhi/net.c +++ b/drivers/net/mhi/net.c @@ -335,7 +335,7 @@ static int mhi_net_newlink(void *ctxt, struct net_device *ndev, u32 if_id, u64_stats_init(&mhi_netdev->stats.tx_syncp); /* Start MHI channels */ - err = mhi_prepare_for_transfer(mhi_dev); + err = mhi_prepare_for_transfer(mhi_dev, 0); if (err) goto out_err; diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 4d53886f7d51..53bdd673ae56 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -401,11 +401,11 @@ static int ksz8041_config_aneg(struct phy_device *phydev) } static int ksz8051_ksz8795_match_phy_device(struct phy_device *phydev, - const u32 ksz_phy_id) + const bool ksz_8051) { int ret; - if ((phydev->phy_id & MICREL_PHY_ID_MASK) != ksz_phy_id) + if ((phydev->phy_id & MICREL_PHY_ID_MASK) != PHY_ID_KSZ8051) return 0; ret = phy_read(phydev, MII_BMSR); @@ -418,7 +418,7 @@ static int ksz8051_ksz8795_match_phy_device(struct phy_device *phydev, * the switch does not. */ ret &= BMSR_ERCAP; - if (ksz_phy_id == PHY_ID_KSZ8051) + if (ksz_8051) return ret; else return !ret; @@ -426,7 +426,7 @@ static int ksz8051_ksz8795_match_phy_device(struct phy_device *phydev, static int ksz8051_match_phy_device(struct phy_device *phydev) { - return ksz8051_ksz8795_match_phy_device(phydev, PHY_ID_KSZ8051); + return ksz8051_ksz8795_match_phy_device(phydev, true); } static int ksz8081_config_init(struct phy_device *phydev) @@ -535,7 +535,7 @@ static int ksz8061_config_init(struct phy_device *phydev) static int ksz8795_match_phy_device(struct phy_device *phydev) { - return ksz8051_ksz8795_match_phy_device(phydev, PHY_ID_KSZ87XX); + return ksz8051_ksz8795_match_phy_device(phydev, false); } static int ksz9021_load_values_from_of(struct phy_device *phydev, diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 25489389ea49..6d092d78e0cb 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -1154,7 +1154,7 @@ static int lan78xx_link_reset(struct lan78xx_net *dev) { struct phy_device *phydev = dev->net->phydev; struct ethtool_link_ksettings ecmd; - int ladv, radv, ret; + int ladv, radv, ret, link; u32 buf; /* clear LAN78xx interrupt status */ @@ -1162,9 +1162,12 @@ static int lan78xx_link_reset(struct lan78xx_net *dev) if (unlikely(ret < 0)) return -EIO; + mutex_lock(&phydev->lock); phy_read_status(phydev); + link = phydev->link; + mutex_unlock(&phydev->lock); - if (!phydev->link && dev->link_on) { + if (!link && dev->link_on) { dev->link_on = false; /* reset MAC */ @@ -1177,7 +1180,7 @@ static int lan78xx_link_reset(struct lan78xx_net *dev) return -EIO; del_timer(&dev->stat_monitor); - } else if (phydev->link && !dev->link_on) { + } else if (link && !dev->link_on) { dev->link_on = true; phy_ethtool_ksettings_get(phydev, &ecmd); @@ -1466,9 +1469,14 @@ static int lan78xx_set_eee(struct net_device *net, struct ethtool_eee *edata) static u32 lan78xx_get_link(struct net_device *net) { + u32 link; + + mutex_lock(&net->phydev->lock); phy_read_status(net->phydev); + link = net->phydev->link; + mutex_unlock(&net->phydev->lock); - return net->phydev->link; + return link; } static void lan78xx_get_drvinfo(struct net_device *net, diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index 9a907182569c..652e9fcf0b77 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -1,31 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 1999-2013 Petko Manolov (petkan@nucleusys.com) + * Copyright (c) 1999-2021 Petko Manolov (petkan@nucleusys.com) * - * ChangeLog: - * .... Most of the time spent on reading sources & docs. - * v0.2.x First official release for the Linux kernel. - * v0.3.0 Beutified and structured, some bugs fixed. - * v0.3.x URBifying bulk requests and bugfixing. First relatively - * stable release. Still can touch device's registers only - * from top-halves. - * v0.4.0 Control messages remained unurbified are now URBs. - * Now we can touch the HW at any time. - * v0.4.9 Control urbs again use process context to wait. Argh... - * Some long standing bugs (enable_net_traffic) fixed. - * Also nasty trick about resubmiting control urb from - * interrupt context used. Please let me know how it - * behaves. Pegasus II support added since this version. - * TODO: suppressing HCD warnings spewage on disconnect. - * v0.4.13 Ethernet address is now set at probe(), not at open() - * time as this seems to break dhcpd. - * v0.5.0 branch to 2.5.x kernels - * v0.5.1 ethtool support added - * v0.5.5 rx socket buffers are in a pool and the their allocation - * is out of the interrupt routine. - * ... - * v0.9.3 simplified [get|set]_register(s), async update registers - * logic revisited, receive skb_pool removed. */ #include <linux/sched.h> @@ -45,7 +21,6 @@ /* * Version Information */ -#define DRIVER_VERSION "v0.9.3 (2013/04/25)" #define DRIVER_AUTHOR "Petko Manolov <petkan@nucleusys.com>" #define DRIVER_DESC "Pegasus/Pegasus II USB Ethernet driver" @@ -132,9 +107,15 @@ static int get_registers(pegasus_t *pegasus, __u16 indx, __u16 size, void *data) static int set_registers(pegasus_t *pegasus, __u16 indx, __u16 size, const void *data) { - return usb_control_msg_send(pegasus->usb, 0, PEGASUS_REQ_SET_REGS, + int ret; + + ret = usb_control_msg_send(pegasus->usb, 0, PEGASUS_REQ_SET_REGS, PEGASUS_REQT_WRITE, 0, indx, data, size, 1000, GFP_NOIO); + if (ret < 0) + netif_dbg(pegasus, drv, pegasus->net, "%s failed with %d\n", __func__, ret); + + return ret; } /* @@ -145,10 +126,15 @@ static int set_registers(pegasus_t *pegasus, __u16 indx, __u16 size, static int set_register(pegasus_t *pegasus, __u16 indx, __u8 data) { void *buf = &data; + int ret; - return usb_control_msg_send(pegasus->usb, 0, PEGASUS_REQ_SET_REG, + ret = usb_control_msg_send(pegasus->usb, 0, PEGASUS_REQ_SET_REG, PEGASUS_REQT_WRITE, data, indx, buf, 1, 1000, GFP_NOIO); + if (ret < 0) + netif_dbg(pegasus, drv, pegasus->net, "%s failed with %d\n", __func__, ret); + + return ret; } static int update_eth_regs_async(pegasus_t *pegasus) @@ -188,10 +174,9 @@ static int update_eth_regs_async(pegasus_t *pegasus) static int __mii_op(pegasus_t *p, __u8 phy, __u8 indx, __u16 *regd, __u8 cmd) { - int i; - __u8 data[4] = { phy, 0, 0, indx }; + int i, ret; __le16 regdi; - int ret = -ETIMEDOUT; + __u8 data[4] = { phy, 0, 0, indx }; if (cmd & PHY_WRITE) { __le16 *t = (__le16 *) & data[1]; @@ -207,12 +192,15 @@ static int __mii_op(pegasus_t *p, __u8 phy, __u8 indx, __u16 *regd, __u8 cmd) if (data[0] & PHY_DONE) break; } - if (i >= REG_TIMEOUT) + if (i >= REG_TIMEOUT) { + ret = -ETIMEDOUT; goto fail; + } if (cmd & PHY_READ) { ret = get_registers(p, PhyData, 2, ®di); + if (ret < 0) + goto fail; *regd = le16_to_cpu(regdi); - return ret; } return 0; fail: @@ -235,9 +223,13 @@ static int write_mii_word(pegasus_t *pegasus, __u8 phy, __u8 indx, __u16 *regd) static int mdio_read(struct net_device *dev, int phy_id, int loc) { pegasus_t *pegasus = netdev_priv(dev); + int ret; u16 res; - read_mii_word(pegasus, phy_id, loc, &res); + ret = read_mii_word(pegasus, phy_id, loc, &res); + if (ret < 0) + return ret; + return (int)res; } @@ -251,10 +243,9 @@ static void mdio_write(struct net_device *dev, int phy_id, int loc, int val) static int read_eprom_word(pegasus_t *pegasus, __u8 index, __u16 *retdata) { - int i; - __u8 tmp = 0; + int ret, i; __le16 retdatai; - int ret; + __u8 tmp = 0; set_register(pegasus, EpromCtrl, 0); set_register(pegasus, EpromOffset, index); @@ -262,21 +253,25 @@ static int read_eprom_word(pegasus_t *pegasus, __u8 index, __u16 *retdata) for (i = 0; i < REG_TIMEOUT; i++) { ret = get_registers(pegasus, EpromCtrl, 1, &tmp); + if (ret < 0) + goto fail; if (tmp & EPROM_DONE) break; - if (ret == -ESHUTDOWN) - goto fail; } - if (i >= REG_TIMEOUT) + if (i >= REG_TIMEOUT) { + ret = -ETIMEDOUT; goto fail; + } ret = get_registers(pegasus, EpromData, 2, &retdatai); + if (ret < 0) + goto fail; *retdata = le16_to_cpu(retdatai); return ret; fail: - netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); - return -ETIMEDOUT; + netif_dbg(pegasus, drv, pegasus->net, "%s failed\n", __func__); + return ret; } #ifdef PEGASUS_WRITE_EEPROM @@ -324,10 +319,10 @@ static int write_eprom_word(pegasus_t *pegasus, __u8 index, __u16 data) return ret; fail: - netif_warn(pegasus, drv, pegasus->net, "%s failed\n", __func__); + netif_dbg(pegasus, drv, pegasus->net, "%s failed\n", __func__); return -ETIMEDOUT; } -#endif /* PEGASUS_WRITE_EEPROM */ +#endif /* PEGASUS_WRITE_EEPROM */ static inline int get_node_id(pegasus_t *pegasus, u8 *id) { @@ -367,19 +362,21 @@ static void set_ethernet_addr(pegasus_t *pegasus) return; err: eth_hw_addr_random(pegasus->net); - dev_info(&pegasus->intf->dev, "software assigned MAC address.\n"); + netif_dbg(pegasus, drv, pegasus->net, "software assigned MAC address.\n"); return; } static inline int reset_mac(pegasus_t *pegasus) { + int ret, i; __u8 data = 0x8; - int i; set_register(pegasus, EthCtrl1, data); for (i = 0; i < REG_TIMEOUT; i++) { - get_registers(pegasus, EthCtrl1, 1, &data); + ret = get_registers(pegasus, EthCtrl1, 1, &data); + if (ret < 0) + goto fail; if (~data & 0x08) { if (loopback) break; @@ -402,22 +399,29 @@ static inline int reset_mac(pegasus_t *pegasus) } if (usb_dev_id[pegasus->dev_index].vendor == VENDOR_ELCON) { __u16 auxmode; - read_mii_word(pegasus, 3, 0x1b, &auxmode); + ret = read_mii_word(pegasus, 3, 0x1b, &auxmode); + if (ret < 0) + goto fail; auxmode |= 4; write_mii_word(pegasus, 3, 0x1b, &auxmode); } return 0; +fail: + netif_dbg(pegasus, drv, pegasus->net, "%s failed\n", __func__); + return ret; } static int enable_net_traffic(struct net_device *dev, struct usb_device *usb) { - __u16 linkpart; - __u8 data[4]; pegasus_t *pegasus = netdev_priv(dev); int ret; + __u16 linkpart; + __u8 data[4]; - read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart); + ret = read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart); + if (ret < 0) + goto fail; data[0] = 0xc8; /* TX & RX enable, append status, no CRC */ data[1] = 0; if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL)) @@ -435,11 +439,16 @@ static int enable_net_traffic(struct net_device *dev, struct usb_device *usb) usb_dev_id[pegasus->dev_index].vendor == VENDOR_LINKSYS2 || usb_dev_id[pegasus->dev_index].vendor == VENDOR_DLINK) { u16 auxmode; - read_mii_word(pegasus, 0, 0x1b, &auxmode); + ret = read_mii_word(pegasus, 0, 0x1b, &auxmode); + if (ret < 0) + goto fail; auxmode |= 4; write_mii_word(pegasus, 0, 0x1b, &auxmode); } + return 0; +fail: + netif_dbg(pegasus, drv, pegasus->net, "%s failed\n", __func__); return ret; } @@ -447,9 +456,9 @@ static void read_bulk_callback(struct urb *urb) { pegasus_t *pegasus = urb->context; struct net_device *net; + u8 *buf = urb->transfer_buffer; int rx_status, count = urb->actual_length; int status = urb->status; - u8 *buf = urb->transfer_buffer; __u16 pkt_len; if (!pegasus) @@ -735,12 +744,16 @@ static inline void disable_net_traffic(pegasus_t *pegasus) set_registers(pegasus, EthCtrl0, sizeof(tmp), &tmp); } -static inline void get_interrupt_interval(pegasus_t *pegasus) +static inline int get_interrupt_interval(pegasus_t *pegasus) { u16 data; u8 interval; + int ret; + + ret = read_eprom_word(pegasus, 4, &data); + if (ret < 0) + return ret; - read_eprom_word(pegasus, 4, &data); interval = data >> 8; if (pegasus->usb->speed != USB_SPEED_HIGH) { if (interval < 0x80) { @@ -755,6 +768,8 @@ static inline void get_interrupt_interval(pegasus_t *pegasus) } } pegasus->intr_interval = interval; + + return 0; } static void set_carrier(struct net_device *net) @@ -880,7 +895,6 @@ static void pegasus_get_drvinfo(struct net_device *dev, pegasus_t *pegasus = netdev_priv(dev); strlcpy(info->driver, driver_name, sizeof(info->driver)); - strlcpy(info->version, DRIVER_VERSION, sizeof(info->version)); usb_make_path(pegasus->usb, info->bus_info, sizeof(info->bus_info)); } @@ -998,8 +1012,7 @@ static int pegasus_ioctl(struct net_device *net, struct ifreq *rq, int cmd) data[0] = pegasus->phy; fallthrough; case SIOCDEVPRIVATE + 1: - read_mii_word(pegasus, data[0], data[1] & 0x1f, &data[3]); - res = 0; + res = read_mii_word(pegasus, data[0], data[1] & 0x1f, &data[3]); break; case SIOCDEVPRIVATE + 2: if (!capable(CAP_NET_ADMIN)) @@ -1033,22 +1046,25 @@ static void pegasus_set_multicast(struct net_device *net) static __u8 mii_phy_probe(pegasus_t *pegasus) { - int i; + int i, ret; __u16 tmp; for (i = 0; i < 32; i++) { - read_mii_word(pegasus, i, MII_BMSR, &tmp); + ret = read_mii_word(pegasus, i, MII_BMSR, &tmp); + if (ret < 0) + goto fail; if (tmp == 0 || tmp == 0xffff || (tmp & BMSR_MEDIA) == 0) continue; else return i; } - +fail: return 0xff; } static inline void setup_pegasus_II(pegasus_t *pegasus) { + int ret; __u8 data = 0xa5; set_register(pegasus, Reg1d, 0); @@ -1060,7 +1076,9 @@ static inline void setup_pegasus_II(pegasus_t *pegasus) set_register(pegasus, Reg7b, 2); set_register(pegasus, 0x83, data); - get_registers(pegasus, 0x83, 1, &data); + ret = get_registers(pegasus, 0x83, 1, &data); + if (ret < 0) + goto fail; if (data == 0xa5) pegasus->chip = 0x8513; @@ -1075,6 +1093,10 @@ static inline void setup_pegasus_II(pegasus_t *pegasus) set_register(pegasus, Reg81, 6); else set_register(pegasus, Reg81, 2); + + return; +fail: + netif_dbg(pegasus, drv, pegasus->net, "%s failed\n", __func__); } static void check_carrier(struct work_struct *work) @@ -1149,7 +1171,9 @@ static int pegasus_probe(struct usb_interface *intf, | NETIF_MSG_PROBE | NETIF_MSG_LINK); pegasus->features = usb_dev_id[dev_index].private; - get_interrupt_interval(pegasus); + res = get_interrupt_interval(pegasus); + if (res) + goto out2; if (reset_mac(pegasus)) { dev_err(&intf->dev, "can't reset MAC\n"); res = -EIO; @@ -1296,7 +1320,7 @@ static void __init parse_id(char *id) static int __init pegasus_init(void) { - pr_info("%s: %s, " DRIVER_DESC "\n", driver_name, DRIVER_VERSION); + pr_info("%s: " DRIVER_DESC "\n", driver_name); if (devid) parse_id(devid); return usb_register(&pegasus_driver); diff --git a/drivers/net/wwan/iosm/iosm_ipc_mmio.h b/drivers/net/wwan/iosm/iosm_ipc_mmio.h index 45e6923da78f..f861994a6d90 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_mmio.h +++ b/drivers/net/wwan/iosm/iosm_ipc_mmio.h @@ -10,10 +10,10 @@ #define IOSM_CP_VERSION 0x0100UL /* DL dir Aggregation support mask */ -#define DL_AGGR BIT(23) +#define DL_AGGR BIT(9) /* UL dir Aggregation support mask */ -#define UL_AGGR BIT(22) +#define UL_AGGR BIT(8) /* UL flow credit support mask */ #define UL_FLOW_CREDIT BIT(21) diff --git a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c index 562de275797a..bdb2d32cdb6d 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c +++ b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c @@ -320,7 +320,7 @@ static void ipc_mux_dl_fcth_decode(struct iosm_mux *ipc_mux, return; } - ul_credits = fct->vfl.nr_of_bytes; + ul_credits = le32_to_cpu(fct->vfl.nr_of_bytes); dev_dbg(ipc_mux->dev, "Flow_Credit:: if_id[%d] Old: %d Grants: %d", if_id, ipc_mux->session[if_id].ul_flow_credits, ul_credits); @@ -586,7 +586,7 @@ static bool ipc_mux_lite_send_qlt(struct iosm_mux *ipc_mux) qlt->reserved[0] = 0; qlt->reserved[1] = 0; - qlt->vfl.nr_of_bytes = session->ul_list.qlen; + qlt->vfl.nr_of_bytes = cpu_to_le32(session->ul_list.qlen); /* Add QLT to the transfer list. */ skb_queue_tail(&ipc_mux->channel->ul_list, diff --git a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.h b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.h index 4a74e3c9457f..aae83db5cbb8 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.h +++ b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.h @@ -106,7 +106,7 @@ struct mux_lite_cmdh { * @nr_of_bytes: Number of bytes available to transmit in the queue. */ struct mux_lite_vfl { - u32 nr_of_bytes; + __le32 nr_of_bytes; }; /** diff --git a/drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c b/drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c index 91109e27efd3..35d590743d3a 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c +++ b/drivers/net/wwan/iosm/iosm_ipc_protocol_ops.c @@ -412,8 +412,8 @@ struct sk_buff *ipc_protocol_dl_td_process(struct iosm_protocol *ipc_protocol, } if (p_td->buffer.address != IPC_CB(skb)->mapping) { - dev_err(ipc_protocol->dev, "invalid buf=%p or skb=%p", - (void *)p_td->buffer.address, skb->data); + dev_err(ipc_protocol->dev, "invalid buf=%llx or skb=%p", + (unsigned long long)p_td->buffer.address, skb->data); ipc_pcie_kfree_skb(ipc_protocol->pcie, skb); skb = NULL; goto ret; diff --git a/drivers/net/wwan/iosm/iosm_ipc_wwan.c b/drivers/net/wwan/iosm/iosm_ipc_wwan.c index b2357ad5d517..b571d9cedba4 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_wwan.c +++ b/drivers/net/wwan/iosm/iosm_ipc_wwan.c @@ -228,7 +228,7 @@ static void ipc_wwan_dellink(void *ctxt, struct net_device *dev, RCU_INIT_POINTER(ipc_wwan->sub_netlist[if_id], NULL); /* unregistering includes synchronize_net() */ - unregister_netdevice(dev); + unregister_netdevice_queue(dev, head); unlock: mutex_unlock(&ipc_wwan->if_mutex); diff --git a/drivers/net/wwan/mhi_wwan_ctrl.c b/drivers/net/wwan/mhi_wwan_ctrl.c index 1bc6b69aa530..1e18420ce404 100644 --- a/drivers/net/wwan/mhi_wwan_ctrl.c +++ b/drivers/net/wwan/mhi_wwan_ctrl.c @@ -110,7 +110,7 @@ static int mhi_wwan_ctrl_start(struct wwan_port *port) int ret; /* Start mhi device's channel(s) */ - ret = mhi_prepare_for_transfer(mhiwwan->mhi_dev); + ret = mhi_prepare_for_transfer(mhiwwan->mhi_dev, 0); if (ret) return ret; diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 944aa3aa3035..5e08468854db 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -719,8 +719,13 @@ void mhi_device_put(struct mhi_device *mhi_dev); * host and device execution environments match and * channels are in a DISABLED state. * @mhi_dev: Device associated with the channels + * @flags: MHI channel flags */ -int mhi_prepare_for_transfer(struct mhi_device *mhi_dev); +int mhi_prepare_for_transfer(struct mhi_device *mhi_dev, + unsigned int flags); + +/* Automatically allocate and queue inbound buffers */ +#define MHI_CH_INBOUND_ALLOC_BUFS BIT(0) /** * mhi_unprepare_from_transfer - Reset UL and DL channels for data transfer. diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index 69c9eabf8325..f3c2841566a0 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -293,7 +293,7 @@ static inline bool flow_action_has_entries(const struct flow_action *action) } /** - * flow_action_has_one_action() - check if exactly one action is present + * flow_offload_has_one_action() - check if exactly one action is present * @action: tc filter flow offload action * * Returns true if exactly one action is present. diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 625a38ccb5d9..0bf09a9bca4e 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -265,7 +265,7 @@ int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb, static inline unsigned int ip6_skb_dst_mtu(struct sk_buff *skb) { - int mtu; + unsigned int mtu; struct ipv6_pinfo *np = skb->sk && !dev_recursion_level() ? inet6_sk(skb->sk) : NULL; diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h index e946366e8ba5..1f4e1816fd36 100644 --- a/include/net/netns/xfrm.h +++ b/include/net/netns/xfrm.h @@ -75,6 +75,7 @@ struct netns_xfrm { #endif spinlock_t xfrm_state_lock; seqcount_spinlock_t xfrm_state_hash_generation; + seqcount_spinlock_t xfrm_policy_hash_generation; spinlock_t xfrm_policy_lock; struct mutex xfrm_cfg_mutex; diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index ec7823921bd2..298a8d10168b 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -337,6 +337,9 @@ int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts); /** * struct tcf_pkt_info - packet information + * + * @ptr: start of the pkt data + * @nexthdr: offset of the next header */ struct tcf_pkt_info { unsigned char * ptr; @@ -355,6 +358,7 @@ struct tcf_ematch_ops; * @ops: the operations lookup table of the corresponding ematch module * @datalen: length of the ematch specific configuration data * @data: ematch specific data + * @net: the network namespace */ struct tcf_ematch { struct tcf_ematch_ops * ops; diff --git a/net/bridge/br.c b/net/bridge/br.c index ef743f94254d..bbab9984f24e 100644 --- a/net/bridge/br.c +++ b/net/bridge/br.c @@ -166,7 +166,8 @@ static int br_switchdev_event(struct notifier_block *unused, case SWITCHDEV_FDB_ADD_TO_BRIDGE: fdb_info = ptr; err = br_fdb_external_learn_add(br, p, fdb_info->addr, - fdb_info->vid, false); + fdb_info->vid, + fdb_info->is_local, false); if (err) { err = notifier_from_errno(err); break; diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index a16191dcaed1..835cec1e5a03 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -1019,7 +1019,8 @@ static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source, static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge *br, struct net_bridge_port *p, const unsigned char *addr, - u16 nlh_flags, u16 vid, struct nlattr *nfea_tb[]) + u16 nlh_flags, u16 vid, struct nlattr *nfea_tb[], + struct netlink_ext_ack *extack) { int err = 0; @@ -1038,7 +1039,15 @@ static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge *br, rcu_read_unlock(); local_bh_enable(); } else if (ndm->ndm_flags & NTF_EXT_LEARNED) { - err = br_fdb_external_learn_add(br, p, addr, vid, true); + if (!p && !(ndm->ndm_state & NUD_PERMANENT)) { + NL_SET_ERR_MSG_MOD(extack, + "FDB entry towards bridge must be permanent"); + return -EINVAL; + } + + err = br_fdb_external_learn_add(br, p, addr, vid, + ndm->ndm_state & NUD_PERMANENT, + true); } else { spin_lock_bh(&br->hash_lock); err = fdb_add_entry(br, p, addr, ndm, nlh_flags, vid, nfea_tb); @@ -1110,9 +1119,11 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], } /* VID was specified, so use it. */ - err = __br_fdb_add(ndm, br, p, addr, nlh_flags, vid, nfea_tb); + err = __br_fdb_add(ndm, br, p, addr, nlh_flags, vid, nfea_tb, + extack); } else { - err = __br_fdb_add(ndm, br, p, addr, nlh_flags, 0, nfea_tb); + err = __br_fdb_add(ndm, br, p, addr, nlh_flags, 0, nfea_tb, + extack); if (err || !vg || !vg->num_vlans) goto out; @@ -1124,7 +1135,7 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], if (!br_vlan_should_use(v)) continue; err = __br_fdb_add(ndm, br, p, addr, nlh_flags, v->vid, - nfea_tb); + nfea_tb, extack); if (err) goto out; } @@ -1264,7 +1275,7 @@ void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p) } int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, - const unsigned char *addr, u16 vid, + const unsigned char *addr, u16 vid, bool is_local, bool swdev_notify) { struct net_bridge_fdb_entry *fdb; @@ -1281,6 +1292,10 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, if (swdev_notify) flags |= BIT(BR_FDB_ADDED_BY_USER); + + if (is_local) + flags |= BIT(BR_FDB_LOCAL); + fdb = fdb_create(br, p, addr, vid, flags); if (!fdb) { err = -ENOMEM; @@ -1307,6 +1322,9 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, if (swdev_notify) set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); + if (is_local) + set_bit(BR_FDB_LOCAL, &fdb->flags); + if (modified) fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify); } diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 2b48b204205e..aa64d8d63ca3 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -711,7 +711,7 @@ int br_fdb_get(struct sk_buff *skb, struct nlattr *tb[], struct net_device *dev, int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p); void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p); int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, - const unsigned char *addr, u16 vid, + const unsigned char *addr, u16 vid, bool is_local, bool swdev_notify); int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, const unsigned char *addr, u16 vid, diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c index e09147ac9a99..fc61cd3fea65 100644 --- a/net/ipv4/tcp_offload.c +++ b/net/ipv4/tcp_offload.c @@ -298,6 +298,9 @@ int tcp_gro_complete(struct sk_buff *skb) if (th->cwr) skb_shinfo(skb)->gso_type |= SKB_GSO_TCP_ECN; + if (skb->encapsulation) + skb->inner_transport_header = skb->transport_header; + return 0; } EXPORT_SYMBOL(tcp_gro_complete); diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 9dde1e5fb449..1380a6b6f4ff 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -624,6 +624,10 @@ static int udp_gro_complete_segment(struct sk_buff *skb) skb_shinfo(skb)->gso_segs = NAPI_GRO_CB(skb)->count; skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_L4; + + if (skb->encapsulation) + skb->inner_transport_header = skb->transport_header; + return 0; } diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index d2591ebf01d9..56263c2c4014 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -27,7 +27,6 @@ struct mptcp_pm_addr_entry { struct mptcp_addr_info addr; u8 flags; int ifindex; - struct rcu_head rcu; struct socket *lsk; }; diff --git a/net/qrtr/mhi.c b/net/qrtr/mhi.c index fa611678af05..1dc955ca57d3 100644 --- a/net/qrtr/mhi.c +++ b/net/qrtr/mhi.c @@ -15,6 +15,7 @@ struct qrtr_mhi_dev { struct qrtr_endpoint ep; struct mhi_device *mhi_dev; struct device *dev; + struct completion ready; }; /* From MHI to QRTR */ @@ -50,6 +51,10 @@ static int qcom_mhi_qrtr_send(struct qrtr_endpoint *ep, struct sk_buff *skb) struct qrtr_mhi_dev *qdev = container_of(ep, struct qrtr_mhi_dev, ep); int rc; + rc = wait_for_completion_interruptible(&qdev->ready); + if (rc) + goto free_skb; + if (skb->sk) sock_hold(skb->sk); @@ -79,7 +84,7 @@ static int qcom_mhi_qrtr_probe(struct mhi_device *mhi_dev, int rc; /* start channels */ - rc = mhi_prepare_for_transfer(mhi_dev); + rc = mhi_prepare_for_transfer(mhi_dev, 0); if (rc) return rc; @@ -96,6 +101,15 @@ static int qcom_mhi_qrtr_probe(struct mhi_device *mhi_dev, if (rc) return rc; + /* start channels */ + rc = mhi_prepare_for_transfer(mhi_dev, MHI_CH_INBOUND_ALLOC_BUFS); + if (rc) { + qrtr_endpoint_unregister(&qdev->ep); + dev_set_drvdata(&mhi_dev->dev, NULL); + return rc; + } + + complete_all(&qdev->ready); dev_dbg(qdev->dev, "Qualcomm MHI QRTR driver probed\n"); return 0; diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index d9ac60ffe927..a8dd06c74e31 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -913,7 +913,7 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue, /* seqlock has the same scope of busylock, for NOLOCK qdisc */ spin_lock_init(&sch->seqlock); - lockdep_set_class(&sch->busylock, + lockdep_set_class(&sch->seqlock, dev->qdisc_tx_busylock ?: &qdisc_tx_busylock); seqcount_init(&sch->running); diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 07b30d0601d7..9c79374457a0 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -1739,8 +1739,6 @@ static void taprio_attach(struct Qdisc *sch) if (FULL_OFFLOAD_IS_ENABLED(q->flags)) { qdisc->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT; old = dev_graft_qdisc(qdisc->dev_queue, qdisc); - if (ntx < dev->real_num_tx_queues) - qdisc_hash_add(qdisc, false); } else { old = dev_graft_qdisc(qdisc->dev_queue, sch); qdisc_refcount_inc(sch); diff --git a/net/sctp/auth.c b/net/sctp/auth.c index fe74c5f95630..db6b7373d16c 100644 --- a/net/sctp/auth.c +++ b/net/sctp/auth.c @@ -857,14 +857,18 @@ int sctp_auth_set_key(struct sctp_endpoint *ep, memcpy(key->data, &auth_key->sca_key[0], auth_key->sca_keylength); cur_key->key = key; - if (replace) { - list_del_init(&shkey->key_list); - sctp_auth_shkey_release(shkey); - if (asoc && asoc->active_key_id == auth_key->sca_keynumber) - sctp_auth_asoc_init_active_key(asoc, GFP_KERNEL); + if (!replace) { + list_add(&cur_key->key_list, sh_keys); + return 0; } + + list_del_init(&shkey->key_list); + sctp_auth_shkey_release(shkey); list_add(&cur_key->key_list, sh_keys); + if (asoc && asoc->active_key_id == auth_key->sca_keynumber) + sctp_auth_asoc_init_active_key(asoc, GFP_KERNEL); + return 0; } diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index 169ba8b72a63..081e7ae93cb1 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -1079,6 +1079,9 @@ virtio_transport_recv_connected(struct sock *sk, virtio_transport_recv_enqueue(vsk, pkt); sk->sk_data_ready(sk); return err; + case VIRTIO_VSOCK_OP_CREDIT_REQUEST: + virtio_transport_send_credit_update(vsk); + break; case VIRTIO_VSOCK_OP_CREDIT_UPDATE: sk->sk_write_space(sk); break; diff --git a/net/xfrm/xfrm_compat.c b/net/xfrm/xfrm_compat.c index a20aec9d7393..2bf269390163 100644 --- a/net/xfrm/xfrm_compat.c +++ b/net/xfrm/xfrm_compat.c @@ -298,8 +298,16 @@ static int xfrm_xlate64(struct sk_buff *dst, const struct nlmsghdr *nlh_src) len = nlmsg_attrlen(nlh_src, xfrm_msg_min[type]); nla_for_each_attr(nla, attrs, len, remaining) { - int err = xfrm_xlate64_attr(dst, nla); + int err; + switch (type) { + case XFRM_MSG_NEWSPDINFO: + err = xfrm_nla_cpy(dst, nla, nla_len(nla)); + break; + default: + err = xfrm_xlate64_attr(dst, nla); + break; + } if (err) return err; } @@ -341,7 +349,8 @@ static int xfrm_alloc_compat(struct sk_buff *skb, const struct nlmsghdr *nlh_src /* Calculates len of translated 64-bit message. */ static size_t xfrm_user_rcv_calculate_len64(const struct nlmsghdr *src, - struct nlattr *attrs[XFRMA_MAX+1]) + struct nlattr *attrs[XFRMA_MAX + 1], + int maxtype) { size_t len = nlmsg_len(src); @@ -358,10 +367,20 @@ static size_t xfrm_user_rcv_calculate_len64(const struct nlmsghdr *src, case XFRM_MSG_POLEXPIRE: len += 8; break; + case XFRM_MSG_NEWSPDINFO: + /* attirbutes are xfrm_spdattr_type_t, not xfrm_attr_type_t */ + return len; default: break; } + /* Unexpected for anything, but XFRM_MSG_NEWSPDINFO, please + * correct both 64=>32-bit and 32=>64-bit translators to copy + * new attributes. + */ + if (WARN_ON_ONCE(maxtype)) + return len; + if (attrs[XFRMA_SA]) len += 4; if (attrs[XFRMA_POLICY]) @@ -440,7 +459,8 @@ static int xfrm_xlate32_attr(void *dst, const struct nlattr *nla, static int xfrm_xlate32(struct nlmsghdr *dst, const struct nlmsghdr *src, struct nlattr *attrs[XFRMA_MAX+1], - size_t size, u8 type, struct netlink_ext_ack *extack) + size_t size, u8 type, int maxtype, + struct netlink_ext_ack *extack) { size_t pos; int i; @@ -520,6 +540,25 @@ static int xfrm_xlate32(struct nlmsghdr *dst, const struct nlmsghdr *src, } pos = dst->nlmsg_len; + if (maxtype) { + /* attirbutes are xfrm_spdattr_type_t, not xfrm_attr_type_t */ + WARN_ON_ONCE(src->nlmsg_type != XFRM_MSG_NEWSPDINFO); + + for (i = 1; i <= maxtype; i++) { + int err; + + if (!attrs[i]) + continue; + + /* just copy - no need for translation */ + err = xfrm_attr_cpy32(dst, &pos, attrs[i], size, + nla_len(attrs[i]), nla_len(attrs[i])); + if (err) + return err; + } + return 0; + } + for (i = 1; i < XFRMA_MAX + 1; i++) { int err; @@ -564,7 +603,7 @@ static struct nlmsghdr *xfrm_user_rcv_msg_compat(const struct nlmsghdr *h32, if (err < 0) return ERR_PTR(err); - len = xfrm_user_rcv_calculate_len64(h32, attrs); + len = xfrm_user_rcv_calculate_len64(h32, attrs, maxtype); /* The message doesn't need translation */ if (len == nlmsg_len(h32)) return NULL; @@ -574,7 +613,7 @@ static struct nlmsghdr *xfrm_user_rcv_msg_compat(const struct nlmsghdr *h32, if (!h64) return ERR_PTR(-ENOMEM); - err = xfrm_xlate32(h64, h32, attrs, len, type, extack); + err = xfrm_xlate32(h64, h32, attrs, len, type, maxtype, extack); if (err < 0) { kvfree(h64); return ERR_PTR(err); diff --git a/net/xfrm/xfrm_ipcomp.c b/net/xfrm/xfrm_ipcomp.c index 2e8afe078d61..cb40ff0ff28d 100644 --- a/net/xfrm/xfrm_ipcomp.c +++ b/net/xfrm/xfrm_ipcomp.c @@ -241,7 +241,7 @@ static void ipcomp_free_tfms(struct crypto_comp * __percpu *tfms) break; } - WARN_ON(!pos); + WARN_ON(list_entry_is_head(pos, &ipcomp_tfms_list, list)); if (--pos->users) return; diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 827d84255021..7f881f5a5897 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -155,7 +155,6 @@ static struct xfrm_policy_afinfo const __rcu *xfrm_policy_afinfo[AF_INET6 + 1] __read_mostly; static struct kmem_cache *xfrm_dst_cache __ro_after_init; -static __read_mostly seqcount_mutex_t xfrm_policy_hash_generation; static struct rhashtable xfrm_policy_inexact_table; static const struct rhashtable_params xfrm_pol_inexact_params; @@ -585,7 +584,7 @@ static void xfrm_bydst_resize(struct net *net, int dir) return; spin_lock_bh(&net->xfrm.xfrm_policy_lock); - write_seqcount_begin(&xfrm_policy_hash_generation); + write_seqcount_begin(&net->xfrm.xfrm_policy_hash_generation); odst = rcu_dereference_protected(net->xfrm.policy_bydst[dir].table, lockdep_is_held(&net->xfrm.xfrm_policy_lock)); @@ -596,7 +595,7 @@ static void xfrm_bydst_resize(struct net *net, int dir) rcu_assign_pointer(net->xfrm.policy_bydst[dir].table, ndst); net->xfrm.policy_bydst[dir].hmask = nhashmask; - write_seqcount_end(&xfrm_policy_hash_generation); + write_seqcount_end(&net->xfrm.xfrm_policy_hash_generation); spin_unlock_bh(&net->xfrm.xfrm_policy_lock); synchronize_rcu(); @@ -1245,7 +1244,7 @@ static void xfrm_hash_rebuild(struct work_struct *work) } while (read_seqretry(&net->xfrm.policy_hthresh.lock, seq)); spin_lock_bh(&net->xfrm.xfrm_policy_lock); - write_seqcount_begin(&xfrm_policy_hash_generation); + write_seqcount_begin(&net->xfrm.xfrm_policy_hash_generation); /* make sure that we can insert the indirect policies again before * we start with destructive action. @@ -1354,7 +1353,7 @@ static void xfrm_hash_rebuild(struct work_struct *work) out_unlock: __xfrm_policy_inexact_flush(net); - write_seqcount_end(&xfrm_policy_hash_generation); + write_seqcount_end(&net->xfrm.xfrm_policy_hash_generation); spin_unlock_bh(&net->xfrm.xfrm_policy_lock); mutex_unlock(&hash_resize_mutex); @@ -2091,15 +2090,12 @@ static struct xfrm_policy *xfrm_policy_lookup_bytype(struct net *net, u8 type, if (unlikely(!daddr || !saddr)) return NULL; - retry: - sequence = read_seqcount_begin(&xfrm_policy_hash_generation); rcu_read_lock(); - - chain = policy_hash_direct(net, daddr, saddr, family, dir); - if (read_seqcount_retry(&xfrm_policy_hash_generation, sequence)) { - rcu_read_unlock(); - goto retry; - } + retry: + do { + sequence = read_seqcount_begin(&net->xfrm.xfrm_policy_hash_generation); + chain = policy_hash_direct(net, daddr, saddr, family, dir); + } while (read_seqcount_retry(&net->xfrm.xfrm_policy_hash_generation, sequence)); ret = NULL; hlist_for_each_entry_rcu(pol, chain, bydst) { @@ -2130,15 +2126,11 @@ static struct xfrm_policy *xfrm_policy_lookup_bytype(struct net *net, u8 type, } skip_inexact: - if (read_seqcount_retry(&xfrm_policy_hash_generation, sequence)) { - rcu_read_unlock(); + if (read_seqcount_retry(&net->xfrm.xfrm_policy_hash_generation, sequence)) goto retry; - } - if (ret && !xfrm_pol_hold_rcu(ret)) { - rcu_read_unlock(); + if (ret && !xfrm_pol_hold_rcu(ret)) goto retry; - } fail: rcu_read_unlock(); @@ -4089,6 +4081,7 @@ static int __net_init xfrm_net_init(struct net *net) /* Initialize the per-net locks here */ spin_lock_init(&net->xfrm.xfrm_state_lock); spin_lock_init(&net->xfrm.xfrm_policy_lock); + seqcount_spinlock_init(&net->xfrm.xfrm_policy_hash_generation, &net->xfrm.xfrm_policy_lock); mutex_init(&net->xfrm.xfrm_cfg_mutex); rv = xfrm_statistics_init(net); @@ -4133,7 +4126,6 @@ void __init xfrm_init(void) { register_pernet_subsys(&xfrm_net_ops); xfrm_dev_init(); - seqcount_mutex_init(&xfrm_policy_hash_generation, &hash_resize_mutex); xfrm_input_init(); #ifdef CONFIG_XFRM_ESPINTCP diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index b47d613409b7..7aff641c717d 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -2811,6 +2811,16 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, err = link->doit(skb, nlh, attrs); + /* We need to free skb allocated in xfrm_alloc_compat() before + * returning from this function, because consume_skb() won't take + * care of frag_list since netlink destructor sets + * sbk->head to NULL. (see netlink_skb_destructor()) + */ + if (skb_has_frag_list(skb)) { + kfree_skb(skb_shinfo(skb)->frag_list); + skb_shinfo(skb)->frag_list = NULL; + } + err: kvfree(nlh64); return err; diff --git a/tools/testing/selftests/net/ipsec.c b/tools/testing/selftests/net/ipsec.c index f23438d512c5..3d7dde2c321b 100644 --- a/tools/testing/selftests/net/ipsec.c +++ b/tools/testing/selftests/net/ipsec.c @@ -484,13 +484,16 @@ enum desc_type { MONITOR_ACQUIRE, EXPIRE_STATE, EXPIRE_POLICY, + SPDINFO_ATTRS, }; const char *desc_name[] = { "create tunnel", "alloc spi", "monitor acquire", "expire state", - "expire policy" + "expire policy", + "spdinfo attributes", + "" }; struct xfrm_desc { enum desc_type type; @@ -1593,6 +1596,155 @@ out_close: return ret; } +static int xfrm_spdinfo_set_thresh(int xfrm_sock, uint32_t *seq, + unsigned thresh4_l, unsigned thresh4_r, + unsigned thresh6_l, unsigned thresh6_r, + bool add_bad_attr) + +{ + struct { + struct nlmsghdr nh; + union { + uint32_t unused; + int error; + }; + char attrbuf[MAX_PAYLOAD]; + } req; + struct xfrmu_spdhthresh thresh; + + memset(&req, 0, sizeof(req)); + req.nh.nlmsg_len = NLMSG_LENGTH(sizeof(req.unused)); + req.nh.nlmsg_type = XFRM_MSG_NEWSPDINFO; + req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; + req.nh.nlmsg_seq = (*seq)++; + + thresh.lbits = thresh4_l; + thresh.rbits = thresh4_r; + if (rtattr_pack(&req.nh, sizeof(req), XFRMA_SPD_IPV4_HTHRESH, &thresh, sizeof(thresh))) + return -1; + + thresh.lbits = thresh6_l; + thresh.rbits = thresh6_r; + if (rtattr_pack(&req.nh, sizeof(req), XFRMA_SPD_IPV6_HTHRESH, &thresh, sizeof(thresh))) + return -1; + + if (add_bad_attr) { + BUILD_BUG_ON(XFRMA_IF_ID <= XFRMA_SPD_MAX + 1); + if (rtattr_pack(&req.nh, sizeof(req), XFRMA_IF_ID, NULL, 0)) { + pr_err("adding attribute failed: no space"); + return -1; + } + } + + if (send(xfrm_sock, &req, req.nh.nlmsg_len, 0) < 0) { + pr_err("send()"); + return -1; + } + + if (recv(xfrm_sock, &req, sizeof(req), 0) < 0) { + pr_err("recv()"); + return -1; + } else if (req.nh.nlmsg_type != NLMSG_ERROR) { + printk("expected NLMSG_ERROR, got %d", (int)req.nh.nlmsg_type); + return -1; + } + + if (req.error) { + printk("NLMSG_ERROR: %d: %s", req.error, strerror(-req.error)); + return -1; + } + + return 0; +} + +static int xfrm_spdinfo_attrs(int xfrm_sock, uint32_t *seq) +{ + struct { + struct nlmsghdr nh; + union { + uint32_t unused; + int error; + }; + char attrbuf[MAX_PAYLOAD]; + } req; + + if (xfrm_spdinfo_set_thresh(xfrm_sock, seq, 32, 31, 120, 16, false)) { + pr_err("Can't set SPD HTHRESH"); + return KSFT_FAIL; + } + + memset(&req, 0, sizeof(req)); + + req.nh.nlmsg_len = NLMSG_LENGTH(sizeof(req.unused)); + req.nh.nlmsg_type = XFRM_MSG_GETSPDINFO; + req.nh.nlmsg_flags = NLM_F_REQUEST; + req.nh.nlmsg_seq = (*seq)++; + if (send(xfrm_sock, &req, req.nh.nlmsg_len, 0) < 0) { + pr_err("send()"); + return KSFT_FAIL; + } + + if (recv(xfrm_sock, &req, sizeof(req), 0) < 0) { + pr_err("recv()"); + return KSFT_FAIL; + } else if (req.nh.nlmsg_type == XFRM_MSG_NEWSPDINFO) { + size_t len = NLMSG_PAYLOAD(&req.nh, sizeof(req.unused)); + struct rtattr *attr = (void *)req.attrbuf; + int got_thresh = 0; + + for (; RTA_OK(attr, len); attr = RTA_NEXT(attr, len)) { + if (attr->rta_type == XFRMA_SPD_IPV4_HTHRESH) { + struct xfrmu_spdhthresh *t = RTA_DATA(attr); + + got_thresh++; + if (t->lbits != 32 || t->rbits != 31) { + pr_err("thresh differ: %u, %u", + t->lbits, t->rbits); + return KSFT_FAIL; + } + } + if (attr->rta_type == XFRMA_SPD_IPV6_HTHRESH) { + struct xfrmu_spdhthresh *t = RTA_DATA(attr); + + got_thresh++; + if (t->lbits != 120 || t->rbits != 16) { + pr_err("thresh differ: %u, %u", + t->lbits, t->rbits); + return KSFT_FAIL; + } + } + } + if (got_thresh != 2) { + pr_err("only %d thresh returned by XFRM_MSG_GETSPDINFO", got_thresh); + return KSFT_FAIL; + } + } else if (req.nh.nlmsg_type != NLMSG_ERROR) { + printk("expected NLMSG_ERROR, got %d", (int)req.nh.nlmsg_type); + return KSFT_FAIL; + } else { + printk("NLMSG_ERROR: %d: %s", req.error, strerror(-req.error)); + return -1; + } + + /* Restore the default */ + if (xfrm_spdinfo_set_thresh(xfrm_sock, seq, 32, 32, 128, 128, false)) { + pr_err("Can't restore SPD HTHRESH"); + return KSFT_FAIL; + } + + /* + * At this moment xfrm uses nlmsg_parse_deprecated(), which + * implies NL_VALIDATE_LIBERAL - ignoring attributes with + * (type > maxtype). nla_parse_depricated_strict() would enforce + * it. Or even stricter nla_parse(). + * Right now it's not expected to fail, but to be ignored. + */ + if (xfrm_spdinfo_set_thresh(xfrm_sock, seq, 32, 32, 128, 128, true)) + return KSFT_PASS; + + return KSFT_PASS; +} + static int child_serv(int xfrm_sock, uint32_t *seq, unsigned int nr, int cmd_fd, void *buf, struct xfrm_desc *desc) { @@ -1717,6 +1869,9 @@ static int child_f(unsigned int nr, int test_desc_fd, int cmd_fd, void *buf) case EXPIRE_POLICY: ret = xfrm_expire_policy(xfrm_sock, &seq, nr, &desc); break; + case SPDINFO_ATTRS: + ret = xfrm_spdinfo_attrs(xfrm_sock, &seq); + break; default: printk("Unknown desc type %d", desc.type); exit(KSFT_FAIL); @@ -1994,8 +2149,10 @@ static int write_proto_plan(int fd, int proto) * sizeof(xfrm_user_polexpire) = 168 | sizeof(xfrm_user_polexpire) = 176 * * Check the affected by the UABI difference structures. + * Also, check translation for xfrm_set_spdinfo: it has it's own attributes + * which needs to be correctly copied, but not translated. */ -const unsigned int compat_plan = 4; +const unsigned int compat_plan = 5; static int write_compat_struct_tests(int test_desc_fd) { struct xfrm_desc desc = {}; @@ -2019,6 +2176,10 @@ static int write_compat_struct_tests(int test_desc_fd) if (__write_desc(test_desc_fd, &desc)) return -1; + desc.type = SPDINFO_ATTRS; + if (__write_desc(test_desc_fd, &desc)) + return -1; + return 0; } |