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Code Issues Releases Wiki Activity

Merge remote-tracking branch 'net/master' into afs-next

This commit is contained in:
David Howells 2019-09-02 11:43:44 +01:00
parent 9f159ae07f e1e54ec7fb
commit f16180739c
89 changed files with 761 additions and 487 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/devicetree/bindings/net/dsa/ksz.txt
View File

@ -12,6 +12,7 @@ Required properties:
- "microchip,ksz8565"
- "microchip,ksz9893"
- "microchip,ksz9563"
- "microchip,ksz8563"
Optional properties:

4
Documentation/devicetree/bindings/net/macb.txt
View File

@ -15,10 +15,10 @@ Required properties:
Use "atmel,sama5d4-gem" for the GEM IP (10/100) available on Atmel sama5d4 SoCs.
Use "cdns,zynq-gem" Xilinx Zynq-7xxx SoC.
Use "cdns,zynqmp-gem" for Zynq Ultrascale+ MPSoC.
Use "sifive,fu540-macb" for SiFive FU540-C000 SoC.
Use "sifive,fu540-c000-gem" for SiFive FU540-C000 SoC.
Or the generic form: "cdns,emac".
- reg: Address and length of the register set for the device
For "sifive,fu540-macb", second range is required to specify the
For "sifive,fu540-c000-gem", second range is required to specify the
address and length of the registers for GEMGXL Management block.
- interrupts: Should contain macb interrupt
- phy-mode: See ethernet.txt file in the same directory.

1
drivers/net/dsa/microchip/ksz9477_spi.c
View File

@ -81,6 +81,7 @@ static const struct of_device_id ksz9477_dt_ids[] = {
{ .compatible = "microchip,ksz9897" },
{ .compatible = "microchip,ksz9893" },
{ .compatible = "microchip,ksz9563" },
{ .compatible = "microchip,ksz8563" },
{},
};
MODULE_DEVICE_TABLE(of, ksz9477_dt_ids);

1
drivers/net/dsa/microchip/ksz_common.h
View File

@ -128,6 +128,7 @@ static inline void ksz_pwrite32(struct ksz_device *dev, int port, int offset,
#define KSZ_REGMAP_ENTRY(width, swp, regbits, regpad, regalign) \
{ \
.name = #width, \
.val_bits = (width), \
.reg_stride = (width) / 8, \
.reg_bits = (regbits) + (regalign), \

10
drivers/net/ethernet/amd/xgbe/xgbe-main.c
View File

@ -469,13 +469,19 @@ static int __init xgbe_mod_init(void)
ret = xgbe_platform_init();
if (ret)
return ret;
goto err_platform_init;
ret = xgbe_pci_init();
if (ret)
return ret;
goto err_pci_init;
return 0;
err_pci_init:
xgbe_platform_exit();
err_platform_init:
unregister_netdevice_notifier(&xgbe_netdev_notifier);
return ret;
}
static void __exit xgbe_mod_exit(void)

5
drivers/net/ethernet/aquantia/atlantic/aq_filters.c
View File

@ -431,7 +431,8 @@ int aq_del_fvlan_by_vlan(struct aq_nic_s *aq_nic, u16 vlan_id)
if (be16_to_cpu(rule->aq_fsp.h_ext.vlan_tci) == vlan_id)
break;
}
if (rule && be16_to_cpu(rule->aq_fsp.h_ext.vlan_tci) == vlan_id) {
if (rule && rule->type == aq_rx_filter_vlan &&
be16_to_cpu(rule->aq_fsp.h_ext.vlan_tci) == vlan_id) {
struct ethtool_rxnfc cmd;
cmd.fs.location = rule->aq_fsp.location;
@ -843,7 +844,7 @@ int aq_filters_vlans_update(struct aq_nic_s *aq_nic)
return err;
if (aq_nic->ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) {
if (hweight < AQ_VLAN_MAX_FILTERS && hweight > 0) {
if (hweight <= AQ_VLAN_MAX_FILTERS && hweight > 0) {
err = aq_hw_ops->hw_filter_vlan_ctrl(aq_hw,
!(aq_nic->packet_filter & IFF_PROMISC));
aq_nic->aq_nic_cfg.is_vlan_force_promisc = false;

4
drivers/net/ethernet/aquantia/atlantic/aq_main.c
View File

@ -61,6 +61,10 @@ static int aq_ndev_open(struct net_device *ndev)
if (err < 0)
goto err_exit;
err = aq_filters_vlans_update(aq_nic);
if (err < 0)
goto err_exit;
err = aq_nic_start(aq_nic);
if (err < 0)
goto err_exit;

2
drivers/net/ethernet/aquantia/atlantic/aq_nic.c
View File

@ -393,7 +393,7 @@ int aq_nic_start(struct aq_nic_s *self)
self->aq_nic_cfg.link_irq_vec);
err = request_threaded_irq(irqvec, NULL,
aq_linkstate_threaded_isr,
IRQF_SHARED,
IRQF_SHARED | IRQF_ONESHOT,
self->ndev->name, self);
if (err < 0)
goto err_exit;

3
drivers/net/ethernet/aquantia/atlantic/aq_vec.c
View File

@ -86,6 +86,7 @@ static int aq_vec_poll(struct napi_struct *napi, int budget)
}
}
err_exit:
if (!was_tx_cleaned)
work_done = budget;
@ -95,7 +96,7 @@ static int aq_vec_poll(struct napi_struct *napi, int budget)
1U << self->aq_ring_param.vec_idx);
}
}
err_exit:
return work_done;
}

1
drivers/net/ethernet/broadcom/genet/bcmgenet.c
View File

@ -1124,6 +1124,7 @@ static const struct ethtool_ops bcmgenet_ethtool_ops = {
.set_coalesce = bcmgenet_set_coalesce,
.get_link_ksettings = bcmgenet_get_link_ksettings,
.set_link_ksettings = bcmgenet_set_link_ksettings,
.get_ts_info = ethtool_op_get_ts_info,
};
/* Power down the unimac, based on mode. */

2
drivers/net/ethernet/cadence/macb_main.c
View File

@ -4154,7 +4154,7 @@ static const struct of_device_id macb_dt_ids[] = {
{ .compatible = "cdns,emac", .data = &emac_config },
{ .compatible = "cdns,zynqmp-gem", .data = &zynqmp_config},
{ .compatible = "cdns,zynq-gem", .data = &zynq_config },
{ .compatible = "sifive,fu540-macb", .data = &fu540_c000_config },
{ .compatible = "sifive,fu540-c000-gem", .data = &fu540_c000_config },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, macb_dt_ids);

5
drivers/net/ethernet/freescale/enetc/enetc_ptp.c
View File

@ -82,7 +82,7 @@ static int enetc_ptp_probe(struct pci_dev *pdev,
n = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
if (n != 1) {
err = -EPERM;
goto err_irq;
goto err_irq_vectors;
}
ptp_qoriq->irq = pci_irq_vector(pdev, 0);
@ -107,6 +107,8 @@ static int enetc_ptp_probe(struct pci_dev *pdev,
err_no_clock:
free_irq(ptp_qoriq->irq, ptp_qoriq);
err_irq:
pci_free_irq_vectors(pdev);
err_irq_vectors:
iounmap(base);
err_ioremap:
kfree(ptp_qoriq);
@ -125,6 +127,7 @@ static void enetc_ptp_remove(struct pci_dev *pdev)
enetc_phc_index = -1;
ptp_qoriq_free(ptp_qoriq);
pci_free_irq_vectors(pdev);
kfree(ptp_qoriq);
pci_release_mem_regions(pdev);

6
drivers/net/ethernet/ibm/ibmvnic.c
View File

@ -1983,6 +1983,10 @@ static void __ibmvnic_reset(struct work_struct *work)
rwi = get_next_rwi(adapter);
while (rwi) {
if (adapter->state == VNIC_REMOVING ||
adapter->state == VNIC_REMOVED)
goto out;
if (adapter->force_reset_recovery) {
adapter->force_reset_recovery = false;
rc = do_hard_reset(adapter, rwi, reset_state);
@ -2007,7 +2011,7 @@ static void __ibmvnic_reset(struct work_struct *work)
netdev_dbg(adapter->netdev, "Reset failed\n");
free_all_rwi(adapter);
}
out:
adapter->resetting = false;
if (we_lock_rtnl)
rtnl_unlock();

7
drivers/net/ethernet/marvell/sky2.c
View File

@ -4931,6 +4931,13 @@ static const struct dmi_system_id msi_blacklist[] = {
DMI_MATCH(DMI_BOARD_NAME, "P6T"),
},
},
{
.ident = "ASUS P6X",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
DMI_MATCH(DMI_BOARD_NAME, "P6X"),
},
},
{}
};

17
drivers/net/ethernet/netronome/nfp/bpf/jit.c
View File

@ -1163,7 +1163,7 @@ mem_op_stack(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta,
bool clr_gpr, lmem_step step)
{
s32 off = nfp_prog->stack_frame_depth + meta->insn.off + ptr_off;
bool first = true, last;
bool first = true, narrow_ld, last;
bool needs_inc = false;
swreg stack_off_reg;
u8 prev_gpr = 255;
@ -1209,13 +1209,22 @@ mem_op_stack(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta,
needs_inc = true;
}
narrow_ld = clr_gpr && size < 8;
if (lm3) {
unsigned int nop_cnt;
emit_csr_wr(nfp_prog, imm_b(nfp_prog), NFP_CSR_ACT_LM_ADDR3);
/* For size < 4 one slot will be filled by zeroing of upper. */
wrp_nops(nfp_prog, clr_gpr && size < 8 ? 2 : 3);
/* For size < 4 one slot will be filled by zeroing of upper,
* but be careful, that zeroing could be eliminated by zext
* optimization.
*/
nop_cnt = narrow_ld && meta->flags & FLAG_INSN_DO_ZEXT ? 2 : 3;
wrp_nops(nfp_prog, nop_cnt);
}
if (clr_gpr && size < 8)
if (narrow_ld)
wrp_zext(nfp_prog, meta, gpr);
while (size) {

7
drivers/net/ethernet/netronome/nfp/flower/offload.c
View File

@ -1409,9 +1409,10 @@ nfp_flower_setup_indr_tc_block(struct net_device *netdev, struct nfp_app *app,
struct nfp_flower_priv *priv = app->priv;
struct flow_block_cb *block_cb;
if (f->binder_type != FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS &&
!(f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS &&
nfp_flower_internal_port_can_offload(app, netdev)))
if ((f->binder_type != FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS &&
!nfp_flower_internal_port_can_offload(app, netdev)) ||
(f->binder_type != FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS &&
nfp_flower_internal_port_can_offload(app, netdev)))
return -EOPNOTSUPP;
switch (f->command) {

8
drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c
View File

@ -328,13 +328,13 @@ nfp_tun_neigh_event_handler(struct notifier_block *nb, unsigned long event,
flow.daddr = *(__be32 *)n->primary_key;
/* Only concerned with route changes for representors. */
if (!nfp_netdev_is_nfp_repr(n->dev))
return NOTIFY_DONE;
app_priv = container_of(nb, struct nfp_flower_priv, tun.neigh_nb);
app = app_priv->app;
if (!nfp_netdev_is_nfp_repr(n->dev) &&
!nfp_flower_internal_port_can_offload(app, n->dev))
return NOTIFY_DONE;
/* Only concerned with changes to routes already added to NFP. */
if (!nfp_tun_has_route(app, flow.daddr))
return NOTIFY_DONE;

7
drivers/net/ethernet/seeq/sgiseeq.c
View File

@ -794,15 +794,16 @@ static int sgiseeq_probe(struct platform_device *pdev)
printk(KERN_ERR "Sgiseeq: Cannot register net device, "
"aborting.\n");
err = -ENODEV;
goto err_out_free_page;
goto err_out_free_attrs;
}
printk(KERN_INFO "%s: %s %pM\n", dev->name, sgiseeqstr, dev->dev_addr);
return 0;
err_out_free_page:
free_page((unsigned long) sp->srings);
err_out_free_attrs:
dma_free_attrs(&pdev->dev, sizeof(*sp->srings), sp->srings,
sp->srings_dma, DMA_ATTR_NON_CONSISTENT);
err_out_free_dev:
free_netdev(dev);

6
drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
View File

@ -1194,10 +1194,8 @@ static int phy_power_on(struct rk_priv_data *bsp_priv, bool enable)
int ret;
struct device *dev = &bsp_priv->pdev->dev;
if (!ldo) {
dev_err(dev, "no regulator found\n");
return -1;
}
if (!ldo)
return 0;
if (enable) {
ret = regulator_enable(ldo);

26
drivers/net/phy/phy-c45.c
View File

@ -523,6 +523,32 @@ int genphy_c45_read_status(struct phy_device *phydev)
}
EXPORT_SYMBOL_GPL(genphy_c45_read_status);
/**
* genphy_c45_config_aneg - restart auto-negotiation or forced setup
* @phydev: target phy_device struct
*
* Description: If auto-negotiation is enabled, we configure the
* advertising, and then restart auto-negotiation. If it is not
* enabled, then we force a configuration.
*/
int genphy_c45_config_aneg(struct phy_device *phydev)
{
bool changed = false;
int ret;
if (phydev->autoneg == AUTONEG_DISABLE)
return genphy_c45_pma_setup_forced(phydev);
ret = genphy_c45_an_config_aneg(phydev);
if (ret < 0)
return ret;
if (ret > 0)
changed = true;
return genphy_c45_check_and_restart_aneg(phydev, changed);
}
EXPORT_SYMBOL_GPL(genphy_c45_config_aneg);
/* The gen10g_* functions are the old Clause 45 stub */
int gen10g_config_aneg(struct phy_device *phydev)

2
drivers/net/phy/phy.c
View File

@ -507,7 +507,7 @@ static int phy_config_aneg(struct phy_device *phydev)
* allowed to call genphy_config_aneg()
*/
if (phydev->is_c45 && !(phydev->c45_ids.devices_in_package & BIT(0)))
return -EOPNOTSUPP;
return genphy_c45_config_aneg(phydev);
return genphy_config_aneg(phydev);
}

5
drivers/net/usb/r8152.c
View File

@ -4021,8 +4021,7 @@ static int rtl8152_close(struct net_device *netdev)
#ifdef CONFIG_PM_SLEEP
unregister_pm_notifier(&tp->pm_notifier);
#endif
if (!test_bit(RTL8152_UNPLUG, &tp->flags))
napi_disable(&tp->napi);
napi_disable(&tp->napi);
clear_bit(WORK_ENABLE, &tp->flags);
usb_kill_urb(tp->intr_urb);
cancel_delayed_work_sync(&tp->schedule);
@ -5353,7 +5352,6 @@ static int rtl8152_probe(struct usb_interface *intf,
return 0;
out1:
netif_napi_del(&tp->napi);
usb_set_intfdata(intf, NULL);
out:
free_netdev(netdev);
@ -5368,7 +5366,6 @@ static void rtl8152_disconnect(struct usb_interface *intf)
if (tp) {
rtl_set_unplug(tp);
netif_napi_del(&tp->napi);
unregister_netdev(tp->netdev);
cancel_delayed_work_sync(&tp->hw_phy_work);
tp->rtl_ops.unload(tp);

24
drivers/net/wireless/intel/iwlwifi/cfg/22000.c
View File

@ -556,6 +556,30 @@ const struct iwl_cfg killer1650i_2ax_cfg_qu_b0_hr_b0 = {
.max_tx_agg_size = IEEE80211_MAX_AMPDU_BUF_HT,
};
const struct iwl_cfg killer1650s_2ax_cfg_qu_c0_hr_b0 = {
.name = "Killer(R) Wi-Fi 6 AX1650i 160MHz Wireless Network Adapter (201NGW)",
.fw_name_pre = IWL_QU_C_HR_B_FW_PRE,
IWL_DEVICE_22500,
/*
* This device doesn't support receiving BlockAck with a large bitmap
* so we need to restrict the size of transmitted aggregation to the
* HT size; mac80211 would otherwise pick the HE max (256) by default.
*/
.max_tx_agg_size = IEEE80211_MAX_AMPDU_BUF_HT,
};
const struct iwl_cfg killer1650i_2ax_cfg_qu_c0_hr_b0 = {
.name = "Killer(R) Wi-Fi 6 AX1650s 160MHz Wireless Network Adapter (201D2W)",
.fw_name_pre = IWL_QU_C_HR_B_FW_PRE,
IWL_DEVICE_22500,
/*
* This device doesn't support receiving BlockAck with a large bitmap
* so we need to restrict the size of transmitted aggregation to the
* HT size; mac80211 would otherwise pick the HE max (256) by default.
*/
.max_tx_agg_size = IEEE80211_MAX_AMPDU_BUF_HT,
};
const struct iwl_cfg iwl22000_2ax_cfg_jf = {
.name = "Intel(R) Dual Band Wireless AX 22000",
.fw_name_pre = IWL_QU_B_JF_B_FW_PRE,

2
drivers/net/wireless/intel/iwlwifi/iwl-config.h
View File

@ -577,6 +577,8 @@ extern const struct iwl_cfg iwl_ax1650i_cfg_quz_hr;
extern const struct iwl_cfg iwl_ax1650s_cfg_quz_hr;
extern const struct iwl_cfg killer1650s_2ax_cfg_qu_b0_hr_b0;
extern const struct iwl_cfg killer1650i_2ax_cfg_qu_b0_hr_b0;
extern const struct iwl_cfg killer1650s_2ax_cfg_qu_c0_hr_b0;
extern const struct iwl_cfg killer1650i_2ax_cfg_qu_c0_hr_b0;
extern const struct iwl_cfg killer1650x_2ax_cfg;
extern const struct iwl_cfg killer1650w_2ax_cfg;
extern const struct iwl_cfg iwl9461_2ac_cfg_qu_b0_jf_b0;

4
drivers/net/wireless/intel/iwlwifi/pcie/drv.c
View File

@ -1062,6 +1062,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
iwl_trans->cfg = &iwl9560_2ac_cfg_qu_c0_jf_b0;
else if (iwl_trans->cfg == &iwl9560_2ac_160_cfg_qu_b0_jf_b0)
iwl_trans->cfg = &iwl9560_2ac_160_cfg_qu_c0_jf_b0;
else if (iwl_trans->cfg == &killer1650s_2ax_cfg_qu_b0_hr_b0)
iwl_trans->cfg = &killer1650s_2ax_cfg_qu_c0_hr_b0;
else if (iwl_trans->cfg == &killer1650i_2ax_cfg_qu_b0_hr_b0)
iwl_trans->cfg = &killer1650i_2ax_cfg_qu_c0_hr_b0;
}
/* same thing for QuZ... */

7
drivers/net/wireless/intel/iwlwifi/pcie/trans.c
View File

@ -3602,12 +3602,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
}
} else if (CSR_HW_RF_ID_TYPE_CHIP_ID(trans->hw_rf_id) ==
CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR) &&
((trans->cfg != &iwl_ax200_cfg_cc &&
trans->cfg != &iwl_ax201_cfg_qu_hr &&
trans->cfg != &killer1650x_2ax_cfg &&
trans->cfg != &killer1650w_2ax_cfg &&
trans->cfg != &iwl_ax201_cfg_quz_hr) ||
trans->hw_rev == CSR_HW_REV_TYPE_QNJ_B0)) {
trans->hw_rev == CSR_HW_REV_TYPE_QNJ_B0) {
u32 hw_status;
hw_status = iwl_read_prph(trans, UMAG_GEN_HW_STATUS);

1
include/linux/phy.h
View File

@ -1107,6 +1107,7 @@ int genphy_c45_an_disable_aneg(struct phy_device *phydev);
int genphy_c45_read_mdix(struct phy_device *phydev);
int genphy_c45_pma_read_abilities(struct phy_device *phydev);
int genphy_c45_read_status(struct phy_device *phydev);
int genphy_c45_config_aneg(struct phy_device *phydev);
/* The gen10g_* functions are the old Clause 45 stub */
int gen10g_config_aneg(struct phy_device *phydev);

4
include/net/act_api.h
View File

@ -15,6 +15,7 @@
struct tcf_idrinfo {
struct mutex lock;
struct idr action_idr;
struct net *net;
};
struct tc_action_ops;
@ -108,7 +109,7 @@ struct tc_action_net {
};
static inline
int tc_action_net_init(struct tc_action_net *tn,
int tc_action_net_init(struct net *net, struct tc_action_net *tn,
const struct tc_action_ops *ops)
{
int err = 0;
@ -117,6 +118,7 @@ int tc_action_net_init(struct tc_action_net *tn,
if (!tn->idrinfo)
return -ENOMEM;
tn->ops = ops;
tn->idrinfo->net = net;
mutex_init(&tn->idrinfo->lock);
idr_init(&tn->idrinfo->action_idr);
return err;

1
include/net/psample.h
View File

@ -11,6 +11,7 @@ struct psample_group {
u32 group_num;
u32 refcount;
u32 seq;
struct rcu_head rcu;
};
struct psample_group *psample_group_get(struct net *net, u32 group_num);

59
include/trace/events/rxrpc.h
View File

@ -23,20 +23,17 @@
#define __RXRPC_DECLARE_TRACE_ENUMS_ONCE_ONLY
enum rxrpc_skb_trace {
rxrpc_skb_rx_cleaned,
rxrpc_skb_rx_freed,
rxrpc_skb_rx_got,
rxrpc_skb_rx_lost,
rxrpc_skb_rx_purged,
rxrpc_skb_rx_received,
rxrpc_skb_rx_rotated,
rxrpc_skb_rx_seen,
rxrpc_skb_tx_cleaned,
rxrpc_skb_tx_freed,
rxrpc_skb_tx_got,
rxrpc_skb_tx_new,
rxrpc_skb_tx_rotated,
rxrpc_skb_tx_seen,
rxrpc_skb_cleaned,
rxrpc_skb_freed,
rxrpc_skb_got,
rxrpc_skb_lost,
rxrpc_skb_new,
rxrpc_skb_purged,
rxrpc_skb_received,
rxrpc_skb_rotated,
rxrpc_skb_seen,
rxrpc_skb_unshared,
rxrpc_skb_unshared_nomem,
};
enum rxrpc_local_trace {
@ -228,20 +225,17 @@ enum rxrpc_tx_point {
* Declare tracing information enums and their string mappings for display.
*/
#define rxrpc_skb_traces \
EM(rxrpc_skb_rx_cleaned, "Rx CLN") \
EM(rxrpc_skb_rx_freed, "Rx FRE") \
EM(rxrpc_skb_rx_got, "Rx GOT") \
EM(rxrpc_skb_rx_lost, "Rx *L*") \
EM(rxrpc_skb_rx_purged, "Rx PUR") \
EM(rxrpc_skb_rx_received, "Rx RCV") \
EM(rxrpc_skb_rx_rotated, "Rx ROT") \
EM(rxrpc_skb_rx_seen, "Rx SEE") \
EM(rxrpc_skb_tx_cleaned, "Tx CLN") \
EM(rxrpc_skb_tx_freed, "Tx FRE") \
EM(rxrpc_skb_tx_got, "Tx GOT") \
EM(rxrpc_skb_tx_new, "Tx NEW") \
EM(rxrpc_skb_tx_rotated, "Tx ROT") \
E_(rxrpc_skb_tx_seen, "Tx SEE")
EM(rxrpc_skb_cleaned, "CLN") \
EM(rxrpc_skb_freed, "FRE") \
EM(rxrpc_skb_got, "GOT") \
EM(rxrpc_skb_lost, "*L*") \
EM(rxrpc_skb_new, "NEW") \
EM(rxrpc_skb_purged, "PUR") \
EM(rxrpc_skb_received, "RCV") \
EM(rxrpc_skb_rotated, "ROT") \
EM(rxrpc_skb_seen, "SEE") \
EM(rxrpc_skb_unshared, "UNS") \
E_(rxrpc_skb_unshared_nomem, "US0")
#define rxrpc_local_traces \
EM(rxrpc_local_got, "GOT") \
@ -643,13 +637,14 @@ TRACE_EVENT(rxrpc_call,
TRACE_EVENT(rxrpc_skb,
TP_PROTO(struct sk_buff *skb, enum rxrpc_skb_trace op,
int usage, int mod_count, const void *where),
int usage, int mod_count, u8 flags, const void *where),
TP_ARGS(skb, op, usage, mod_count, where),
TP_ARGS(skb, op, usage, mod_count, flags, where),
TP_STRUCT__entry(
__field(struct sk_buff *, skb )
__field(enum rxrpc_skb_trace, op )
__field(u8, flags )
__field(int, usage )
__field(int, mod_count )
__field(const void *, where )
@ -657,14 +652,16 @@ TRACE_EVENT(rxrpc_skb,
TP_fast_assign(
__entry->skb = skb;
__entry->flags = flags;
__entry->op = op;
__entry->usage = usage;
__entry->mod_count = mod_count;
__entry->where = where;
),
TP_printk("s=%p %s u=%d m=%d p=%pSR",
TP_printk("s=%p %cx %s u=%d m=%d p=%pSR",
__entry->skb,
__entry->flags & RXRPC_SKB_TX_BUFFER ? 'T' : 'R',
__print_symbolic(__entry->op, rxrpc_skb_traces),
__entry->usage,
__entry->mod_count,

8
kernel/bpf/core.c
View File

@ -890,7 +890,8 @@ int bpf_jit_get_func_addr(const struct bpf_prog *prog,
static int bpf_jit_blind_insn(const struct bpf_insn *from,
const struct bpf_insn *aux,
struct bpf_insn *to_buff)
struct bpf_insn *to_buff,
bool emit_zext)
{
struct bpf_insn *to = to_buff;
u32 imm_rnd = get_random_int();
@ -1005,6 +1006,8 @@ static int bpf_jit_blind_insn(const struct bpf_insn *from,
case 0: /* Part 2 of BPF_LD | BPF_IMM | BPF_DW. */
*to++ = BPF_ALU32_IMM(BPF_MOV, BPF_REG_AX, imm_rnd ^ aux[0].imm);
*to++ = BPF_ALU32_IMM(BPF_XOR, BPF_REG_AX, imm_rnd);
if (emit_zext)
*to++ = BPF_ZEXT_REG(BPF_REG_AX);
*to++ = BPF_ALU64_REG(BPF_OR, aux[0].dst_reg, BPF_REG_AX);
break;
@ -1088,7 +1091,8 @@ struct bpf_prog *bpf_jit_blind_constants(struct bpf_prog *prog)
insn[1].code == 0)
memcpy(aux, insn, sizeof(aux));
rewritten = bpf_jit_blind_insn(insn, aux, insn_buff);
rewritten = bpf_jit_blind_insn(insn, aux, insn_buff,
clone->aux->verifier_zext);
if (!rewritten)
continue;

20
net/batman-adv/bat_iv_ogm.c
View File

@ -277,17 +277,23 @@ static u8 batadv_hop_penalty(u8 tq, const struct batadv_priv *bat_priv)
* batadv_iv_ogm_aggr_packet() - checks if there is another OGM attached
* @buff_pos: current position in the skb
* @packet_len: total length of the skb
* @tvlv_len: tvlv length of the previously considered OGM
* @ogm_packet: potential OGM in buffer
*
* Return: true if there is enough space for another OGM, false otherwise.
*/
static bool batadv_iv_ogm_aggr_packet(int buff_pos, int packet_len,
__be16 tvlv_len)
static bool
batadv_iv_ogm_aggr_packet(int buff_pos, int packet_len,
const struct batadv_ogm_packet *ogm_packet)
{
int next_buff_pos = 0;
next_buff_pos += buff_pos + BATADV_OGM_HLEN;
next_buff_pos += ntohs(tvlv_len);
/* check if there is enough space for the header */
next_buff_pos += buff_pos + sizeof(*ogm_packet);
if (next_buff_pos > packet_len)
return false;
/* check if there is enough space for the optional TVLV */
next_buff_pos += ntohs(ogm_packet->tvlv_len);
return (next_buff_pos <= packet_len) &&
(next_buff_pos <= BATADV_MAX_AGGREGATION_BYTES);
@ -315,7 +321,7 @@ static void batadv_iv_ogm_send_to_if(struct batadv_forw_packet *forw_packet,
/* adjust all flags and log packets */
while (batadv_iv_ogm_aggr_packet(buff_pos, forw_packet->packet_len,
batadv_ogm_packet->tvlv_len)) {
batadv_ogm_packet)) {
/* we might have aggregated direct link packets with an
* ordinary base packet
*/
@ -1704,7 +1710,7 @@ static int batadv_iv_ogm_receive(struct sk_buff *skb,
/* unpack the aggregated packets and process them one by one */
while (batadv_iv_ogm_aggr_packet(ogm_offset, skb_headlen(skb),
ogm_packet->tvlv_len)) {
ogm_packet)) {
batadv_iv_ogm_process(skb, ogm_offset, if_incoming);
ogm_offset += BATADV_OGM_HLEN;

18
net/batman-adv/bat_v_ogm.c
View File

@ -631,17 +631,23 @@ batadv_v_ogm_process_per_outif(struct batadv_priv *bat_priv,
* batadv_v_ogm_aggr_packet() - checks if there is another OGM aggregated
* @buff_pos: current position in the skb
* @packet_len: total length of the skb
* @tvlv_len: tvlv length of the previously considered OGM
* @ogm2_packet: potential OGM2 in buffer
*
* Return: true if there is enough space for another OGM, false otherwise.
*/
static bool batadv_v_ogm_aggr_packet(int buff_pos, int packet_len,
__be16 tvlv_len)
static bool
batadv_v_ogm_aggr_packet(int buff_pos, int packet_len,
const struct batadv_ogm2_packet *ogm2_packet)
{
int next_buff_pos = 0;
next_buff_pos += buff_pos + BATADV_OGM2_HLEN;
next_buff_pos += ntohs(tvlv_len);
/* check if there is enough space for the header */
next_buff_pos += buff_pos + sizeof(*ogm2_packet);
if (next_buff_pos > packet_len)
return false;
/* check if there is enough space for the optional TVLV */
next_buff_pos += ntohs(ogm2_packet->tvlv_len);
return (next_buff_pos <= packet_len) &&
(next_buff_pos <= BATADV_MAX_AGGREGATION_BYTES);
@ -818,7 +824,7 @@ int batadv_v_ogm_packet_recv(struct sk_buff *skb,
ogm_packet = (struct batadv_ogm2_packet *)skb->data;
while (batadv_v_ogm_aggr_packet(ogm_offset, skb_headlen(skb),
ogm_packet->tvlv_len)) {
ogm_packet)) {
batadv_v_ogm_process(skb, ogm_offset, if_incoming);
ogm_offset += BATADV_OGM2_HLEN;

2
net/bridge/netfilter/nft_meta_bridge.c
View File

@ -53,7 +53,7 @@ static void nft_meta_bridge_get_eval(const struct nft_expr *expr,
goto err;
br_vlan_get_proto(br_dev, &p_proto);
nft_reg_store16(dest, p_proto);
nft_reg_store16(dest, htons(p_proto));
return;
}
default:

6
net/core/netpoll.c
View File

@ -122,7 +122,7 @@ static void queue_process(struct work_struct *work)
txq = netdev_get_tx_queue(dev, q_index);
HARD_TX_LOCK(dev, txq, smp_processor_id());
if (netif_xmit_frozen_or_stopped(txq) ||
netpoll_start_xmit(skb, dev, txq) != NETDEV_TX_OK) {
!dev_xmit_complete(netpoll_start_xmit(skb, dev, txq))) {
skb_queue_head(&npinfo->txq, skb);
HARD_TX_UNLOCK(dev, txq);
local_irq_restore(flags);
@ -335,7 +335,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
HARD_TX_UNLOCK(dev, txq);
if (status == NETDEV_TX_OK)
if (dev_xmit_complete(status))
break;
}
@ -352,7 +352,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
}
if (status != NETDEV_TX_OK) {
if (!dev_xmit_complete(status)) {
skb_queue_tail(&npinfo->txq, skb);
schedule_delayed_work(&npinfo->tx_work,0);
}

2
net/dsa/tag_8021q.c
View File

@ -28,6 +28,7 @@
*
* RSV - VID[9]:
* To be used for further expansion of SWITCH_ID or for other purposes.
* Must be transmitted as zero and ignored on receive.
*
* SWITCH_ID - VID[8:6]:
* Index of switch within DSA tree. Must be between 0 and
@ -35,6 +36,7 @@
*
* RSV - VID[5:4]:
* To be used for further expansion of PORT or for other purposes.
* Must be transmitted as zero and ignored on receive.
*
* PORT - VID[3:0]:
* Index of switch port. Must be between 0 and DSA_MAX_PORTS - 1.

32
net/ipv4/tcp.c
View File

@ -935,6 +935,22 @@ static int tcp_send_mss(struct sock *sk, int *size_goal, int flags)
return mss_now;
}
/* In some cases, both sendpage() and sendmsg() could have added
* an skb to the write queue, but failed adding payload on it.
* We need to remove it to consume less memory, but more
* importantly be able to generate EPOLLOUT for Edge Trigger epoll()
* users.
*/
static void tcp_remove_empty_skb(struct sock *sk, struct sk_buff *skb)
{
if (skb && !skb->len) {
tcp_unlink_write_queue(skb, sk);
if (tcp_write_queue_empty(sk))
tcp_chrono_stop(sk, TCP_CHRONO_BUSY);
sk_wmem_free_skb(sk, skb);
}
}
ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset,
size_t size, int flags)
{
@ -1064,6 +1080,7 @@ out:
return copied;
do_error:
tcp_remove_empty_skb(sk, tcp_write_queue_tail(sk));
if (copied)
goto out;
out_err:
@ -1388,18 +1405,11 @@ out_nopush:
sock_zerocopy_put(uarg);
return copied + copied_syn;
do_fault:
if (!skb->len) {
tcp_unlink_write_queue(skb, sk);
/* It is the one place in all of TCP, except connection
* reset, where we can be unlinking the send_head.
*/
if (tcp_write_queue_empty(sk))
tcp_chrono_stop(sk, TCP_CHRONO_BUSY);
sk_wmem_free_skb(sk, skb);
}
do_error:
skb = tcp_write_queue_tail(sk);
do_fault:
tcp_remove_empty_skb(sk, skb);
if (copied + copied_syn)
goto out;
out_err:

3
net/ipv4/tcp_output.c
View File

@ -2053,7 +2053,7 @@ static bool tcp_can_coalesce_send_queue_head(struct sock *sk, int len)
if (len <= skb->len)
break;
if (unlikely(TCP_SKB_CB(skb)->eor))
if (unlikely(TCP_SKB_CB(skb)->eor) || tcp_has_tx_tstamp(skb))
return false;
len -= skb->len;
@ -2170,6 +2170,7 @@ static int tcp_mtu_probe(struct sock *sk)
* we need to propagate it to the new skb.
*/
TCP_SKB_CB(nskb)->eor = TCP_SKB_CB(skb)->eor;
tcp_skb_collapse_tstamp(nskb, skb);
tcp_unlink_write_queue(skb, sk);
sk_wmem_free_skb(sk, skb);
} else {

5
net/ipv6/mcast.c
View File

@ -787,14 +787,15 @@ static void mld_del_delrec(struct inet6_dev *idev, struct ifmcaddr6 *im)
if (pmc) {
im->idev = pmc->idev;
if (im->mca_sfmode == MCAST_INCLUDE) {
im->mca_tomb = pmc->mca_tomb;
im->mca_sources = pmc->mca_sources;
swap(im->mca_tomb, pmc->mca_tomb);
swap(im->mca_sources, pmc->mca_sources);
for (psf = im->mca_sources; psf; psf = psf->sf_next)
psf->sf_crcount = idev->mc_qrv;
} else {
im->mca_crcount = idev->mc_qrv;
}
in6_dev_put(pmc->idev);
ip6_mc_clear_src(pmc);
kfree(pmc);
}
spin_unlock_bh(&im->mca_lock);

6
net/mac80211/rx.c
View File

@ -2447,11 +2447,13 @@ static void ieee80211_deliver_skb_to_local_stack(struct sk_buff *skb,
skb->protocol == cpu_to_be16(ETH_P_PREAUTH)) &&
sdata->control_port_over_nl80211)) {
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
bool noencrypt = status->flag & RX_FLAG_DECRYPTED;
bool noencrypt = !(status->flag & RX_FLAG_DECRYPTED);
cfg80211_rx_control_port(dev, skb, noencrypt);
dev_kfree_skb(skb);
} else {
memset(skb->cb, 0, sizeof(skb->cb));
/* deliver to local stack */
if (rx->napi)
napi_gro_receive(rx->napi, skb);
@ -2546,8 +2548,6 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
if (skb) {
skb->protocol = eth_type_trans(skb, dev);
memset(skb->cb, 0, sizeof(skb->cb));
ieee80211_deliver_skb_to_local_stack(skb, rx);
}

2
net/netfilter/nf_conntrack_ftp.c
View File

@ -322,7 +322,7 @@ static int find_pattern(const char *data, size_t dlen,
i++;
}
pr_debug("Skipped up to `%c'!\n", skip);
pr_debug("Skipped up to 0x%hhx delimiter!\n", skip);
*numoff = i;
*numlen = getnum(data + i, dlen - i, cmd, term, numoff);

5
net/netfilter/nf_conntrack_standalone.c
View File

@ -1037,8 +1037,13 @@ static int nf_conntrack_standalone_init_sysctl(struct net *net)
table[NF_SYSCTL_CT_COUNT].data = &net->ct.count;
table[NF_SYSCTL_CT_CHECKSUM].data = &net->ct.sysctl_checksum;
table[NF_SYSCTL_CT_LOG_INVALID].data = &net->ct.sysctl_log_invalid;
table[NF_SYSCTL_CT_ACCT].data = &net->ct.sysctl_acct;
table[NF_SYSCTL_CT_HELPER].data = &net->ct.sysctl_auto_assign_helper;
#ifdef CONFIG_NF_CONNTRACK_EVENTS
table[NF_SYSCTL_CT_EVENTS].data = &net->ct.sysctl_events;
#endif
#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
table[NF_SYSCTL_CT_TIMESTAMP].data = &net->ct.sysctl_tstamp;
#endif
table[NF_SYSCTL_CT_PROTO_TIMEOUT_GENERIC].data = &nf_generic_pernet(net)->timeout;
table[NF_SYSCTL_CT_PROTO_TIMEOUT_ICMP].data = &nf_icmp_pernet(net)->timeout;

3
net/netfilter/nf_flow_table_ip.c
View File

@ -228,7 +228,6 @@ static unsigned int nf_flow_xmit_xfrm(struct sk_buff *skb,
{
skb_orphan(skb);
skb_dst_set_noref(skb, dst);
skb->tstamp = 0;
dst_output(state->net, state->sk, skb);
return NF_STOLEN;
}
@ -284,6 +283,7 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
flow->timeout = (u32)jiffies + NF_FLOW_TIMEOUT;
iph = ip_hdr(skb);
ip_decrease_ttl(iph);
skb->tstamp = 0;
if (unlikely(dst_xfrm(&rt->dst))) {
memset(skb->cb, 0, sizeof(struct inet_skb_parm));
@ -512,6 +512,7 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb,
flow->timeout = (u32)jiffies + NF_FLOW_TIMEOUT;
ip6h = ipv6_hdr(skb);
ip6h->hop_limit--;
skb->tstamp = 0;
if (unlikely(dst_xfrm(&rt->dst))) {
memset(skb->cb, 0, sizeof(struct inet6_skb_parm));

6
net/netfilter/xt_physdev.c
View File

@ -101,11 +101,9 @@ static int physdev_mt_check(const struct xt_mtchk_param *par)
if (info->bitmask & (XT_PHYSDEV_OP_OUT | XT_PHYSDEV_OP_ISOUT) &&
(!(info->bitmask & XT_PHYSDEV_OP_BRIDGED) ||
info->invert & XT_PHYSDEV_OP_BRIDGED) &&
par->hook_mask & ((1 << NF_INET_LOCAL_OUT) |
(1 << NF_INET_FORWARD) | (1 << NF_INET_POST_ROUTING))) {
par->hook_mask & (1 << NF_INET_LOCAL_OUT)) {
pr_info_ratelimited("--physdev-out and --physdev-is-out only supported in the FORWARD and POSTROUTING chains with bridged traffic\n");
if (par->hook_mask & (1 << NF_INET_LOCAL_OUT))
return -EINVAL;
return -EINVAL;
}
if (!brnf_probed) {

5
net/openvswitch/conntrack.c
View File

@ -525,6 +525,11 @@ static int handle_fragments(struct net *net, struct sw_flow_key *key,
return -EPFNOSUPPORT;
}
/* The key extracted from the fragment that completed this datagram
* likely didn't have an L4 header, so regenerate it.
*/
ovs_flow_key_update_l3l4(skb, key);
key->ip.frag = OVS_FRAG_TYPE_NONE;
skb_clear_hash(skb);
skb->ignore_df = 1;

160
net/openvswitch/flow.c
View File

@ -523,78 +523,15 @@ static int parse_nsh(struct sk_buff *skb, struct sw_flow_key *key)
}
/**
* key_extract - extracts a flow key from an Ethernet frame.
* key_extract_l3l4 - extracts L3/L4 header information.
* @skb: sk_buff that contains the frame, with skb->data pointing to the
* Ethernet header
* L3 header
* @key: output flow key
*
* The caller must ensure that skb->len >= ETH_HLEN.
*
* Returns 0 if successful, otherwise a negative errno value.
*
* Initializes @skb header fields as follows:
*
* - skb->mac_header: the L2 header.
*
* - skb->network_header: just past the L2 header, or just past the
* VLAN header, to the first byte of the L2 payload.
*
* - skb->transport_header: If key->eth.type is ETH_P_IP or ETH_P_IPV6
* on output, then just past the IP header, if one is present and
* of a correct length, otherwise the same as skb->network_header.
* For other key->eth.type values it is left untouched.
*
* - skb->protocol: the type of the data starting at skb->network_header.
* Equals to key->eth.type.
*/
static int key_extract(struct sk_buff *skb, struct sw_flow_key *key)
static int key_extract_l3l4(struct sk_buff *skb, struct sw_flow_key *key)
{
int error;
struct ethhdr *eth;
/* Flags are always used as part of stats */
key->tp.flags = 0;
skb_reset_mac_header(skb);
/* Link layer. */
clear_vlan(key);
if (ovs_key_mac_proto(key) == MAC_PROTO_NONE) {
if (unlikely(eth_type_vlan(skb->protocol)))
return -EINVAL;
skb_reset_network_header(skb);
key->eth.type = skb->protocol;
} else {
eth = eth_hdr(skb);
ether_addr_copy(key->eth.src, eth->h_source);
ether_addr_copy(key->eth.dst, eth->h_dest);
__skb_pull(skb, 2 * ETH_ALEN);
/* We are going to push all headers that we pull, so no need to
* update skb->csum here.
*/
if (unlikely(parse_vlan(skb, key)))
return -ENOMEM;
key->eth.type = parse_ethertype(skb);
if (unlikely(key->eth.type == htons(0)))
return -ENOMEM;
/* Multiple tagged packets need to retain TPID to satisfy
* skb_vlan_pop(), which will later shift the ethertype into
* skb->protocol.
*/
if (key->eth.cvlan.tci & htons(VLAN_CFI_MASK))
skb->protocol = key->eth.cvlan.tpid;
else
skb->protocol = key->eth.type;
skb_reset_network_header(skb);
__skb_push(skb, skb->data - skb_mac_header(skb));
}
skb_reset_mac_len(skb);
/* Network layer. */
if (key->eth.type == htons(ETH_P_IP)) {
@ -623,6 +560,7 @@ static int key_extract(struct sk_buff *skb, struct sw_flow_key *key)
offset = nh->frag_off & htons(IP_OFFSET);
if (offset) {
key->ip.frag = OVS_FRAG_TYPE_LATER;
memset(&key->tp, 0, sizeof(key->tp));
return 0;
}
if (nh->frag_off & htons(IP_MF) ||
@ -740,8 +678,10 @@ static int key_extract(struct sk_buff *skb, struct sw_flow_key *key)
return error;
}
if (key->ip.frag == OVS_FRAG_TYPE_LATER)
if (key->ip.frag == OVS_FRAG_TYPE_LATER) {
memset(&key->tp, 0, sizeof(key->tp));
return 0;
}
if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP)
key->ip.frag = OVS_FRAG_TYPE_FIRST;
@ -788,6 +728,92 @@ static int key_extract(struct sk_buff *skb, struct sw_flow_key *key)
return 0;
}
/**
* key_extract - extracts a flow key from an Ethernet frame.
* @skb: sk_buff that contains the frame, with skb->data pointing to the
* Ethernet header
* @key: output flow key
*
* The caller must ensure that skb->len >= ETH_HLEN.
*
* Returns 0 if successful, otherwise a negative errno value.
*
* Initializes @skb header fields as follows:
*
* - skb->mac_header: the L2 header.
*
* - skb->network_header: just past the L2 header, or just past the
* VLAN header, to the first byte of the L2 payload.
*
* - skb->transport_header: If key->eth.type is ETH_P_IP or ETH_P_IPV6
* on output, then just past the IP header, if one is present and
* of a correct length, otherwise the same as skb->network_header.
* For other key->eth.type values it is left untouched.
*
* - skb->protocol: the type of the data starting at skb->network_header.
* Equals to key->eth.type.
*/
static int key_extract(struct sk_buff *skb, struct sw_flow_key *key)
{
struct ethhdr *eth;
/* Flags are always used as part of stats */
key->tp.flags = 0;
skb_reset_mac_header(skb);
/* Link layer. */
clear_vlan(key);
if (ovs_key_mac_proto(key) == MAC_PROTO_NONE) {
if (unlikely(eth_type_vlan(skb->protocol)))
return -EINVAL;
skb_reset_network_header(skb);
key->eth.type = skb->protocol;
} else {
eth = eth_hdr(skb);
ether_addr_copy(key->eth.src, eth->h_source);
ether_addr_copy(key->eth.dst, eth->h_dest);
__skb_pull(skb, 2 * ETH_ALEN);
/* We are going to push all headers that we pull, so no need to
* update skb->csum here.
*/
if (unlikely(parse_vlan(skb, key)))
return -ENOMEM;
key->eth.type = parse_ethertype(skb);
if (unlikely(key->eth.type == htons(0)))
return -ENOMEM;
/* Multiple tagged packets need to retain TPID to satisfy
* skb_vlan_pop(), which will later shift the ethertype into
* skb->protocol.
*/
if (key->eth.cvlan.tci & htons(VLAN_CFI_MASK))
skb->protocol = key->eth.cvlan.tpid;
else
skb->protocol = key->eth.type;
skb_reset_network_header(skb);
__skb_push(skb, skb->data - skb_mac_header(skb));
}
skb_reset_mac_len(skb);
/* Fill out L3/L4 key info, if any */
return key_extract_l3l4(skb, key);
}
/* In the case of conntrack fragment handling it expects L3 headers,
* add a helper.
*/
int ovs_flow_key_update_l3l4(struct sk_buff *skb, struct sw_flow_key *key)
{
return key_extract_l3l4(skb, key);
}
int ovs_flow_key_update(struct sk_buff *skb, struct sw_flow_key *key)
{
int res;

1
net/openvswitch/flow.h
View File

@ -270,6 +270,7 @@ void ovs_flow_stats_clear(struct sw_flow *);
u64 ovs_flow_used_time(unsigned long flow_jiffies);
int ovs_flow_key_update(struct sk_buff *skb, struct sw_flow_key *key);
int ovs_flow_key_update_l3l4(struct sk_buff *skb, struct sw_flow_key *key);
int ovs_flow_key_extract(const struct ip_tunnel_info *tun_info,
struct sk_buff *skb,
struct sw_flow_key *key);

2
net/psample/psample.c
View File

@ -154,7 +154,7 @@ static void psample_group_destroy(struct psample_group *group)
{
psample_group_notify(group, PSAMPLE_CMD_DEL_GROUP);
list_del(&group->list);
kfree(group);
kfree_rcu(group, rcu);
}
static struct psample_group *

5
net/rds/recv.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2006, 2018 Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2006, 2019 Oracle and/or its affiliates. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@ -811,6 +811,7 @@ void rds6_inc_info_copy(struct rds_incoming *inc,
minfo6.seq = be64_to_cpu(inc->i_hdr.h_sequence);
minfo6.len = be32_to_cpu(inc->i_hdr.h_len);
minfo6.tos = inc->i_conn->c_tos;
if (flip) {
minfo6.laddr = *daddr;
@ -824,6 +825,8 @@ void rds6_inc_info_copy(struct rds_incoming *inc,
minfo6.fport = inc->i_hdr.h_dport;
}
minfo6.flags = 0;
rds_info_copy(iter, &minfo6, sizeof(minfo6));
}
#endif

3
net/rxrpc/af_rxrpc.c
View File

@ -862,7 +862,6 @@ static void rxrpc_sock_destructor(struct sock *sk)
static int rxrpc_release_sock(struct sock *sk)
{
struct rxrpc_sock *rx = rxrpc_sk(sk);
struct rxrpc_net *rxnet = rxrpc_net(sock_net(&rx->sk));
_enter("%p{%d,%d}", sk, sk->sk_state, refcount_read(&sk->sk_refcnt));
@ -898,8 +897,6 @@ static int rxrpc_release_sock(struct sock *sk)
rxrpc_release_calls_on_socket(rx);
flush_workqueue(rxrpc_workqueue);
rxrpc_purge_queue(&sk->sk_receive_queue);
rxrpc_queue_work(&rxnet->service_conn_reaper);
rxrpc_queue_work(&rxnet->client_conn_reaper);
rxrpc_unuse_local(rx->local);
rx->local = NULL;

17
net/rxrpc/ar-internal.h
View File

@ -185,11 +185,17 @@ struct rxrpc_host_header {
* - max 48 bytes (struct sk_buff::cb)
*/
struct rxrpc_skb_priv {
union {
u8 nr_jumbo; /* Number of jumbo subpackets */
};
atomic_t nr_ring_pins; /* Number of rxtx ring pins */
u8 nr_subpackets; /* Number of subpackets */
u8 rx_flags; /* Received packet flags */
#define RXRPC_SKB_INCL_LAST 0x01 /* - Includes last packet */
#define RXRPC_SKB_TX_BUFFER 0x02 /* - Is transmit buffer */
union {
int remain; /* amount of space remaining for next write */
/* List of requested ACKs on subpackets */
unsigned long rx_req_ack[(RXRPC_MAX_NR_JUMBO + BITS_PER_LONG - 1) /
BITS_PER_LONG];
};
struct rxrpc_host_header hdr; /* RxRPC packet header from this packet */
@ -613,8 +619,7 @@ struct rxrpc_call {
#define RXRPC_TX_ANNO_LAST 0x04
#define RXRPC_TX_ANNO_RESENT 0x08
#define RXRPC_RX_ANNO_JUMBO 0x3f /* Jumbo subpacket number + 1 if not zero */
#define RXRPC_RX_ANNO_JLAST 0x40 /* Set if last element of a jumbo packet */
#define RXRPC_RX_ANNO_SUBPACKET 0x3f /* Subpacket number in jumbogram */
#define RXRPC_RX_ANNO_VERIFIED 0x80 /* Set if verified and decrypted */
rxrpc_seq_t tx_hard_ack; /* Dead slot in buffer; the first transmitted but
* not hard-ACK'd packet follows this.
@ -905,6 +910,7 @@ void rxrpc_disconnect_client_call(struct rxrpc_call *);
void rxrpc_put_client_conn(struct rxrpc_connection *);
void rxrpc_discard_expired_client_conns(struct work_struct *);
void rxrpc_destroy_all_client_connections(struct rxrpc_net *);
void rxrpc_clean_up_local_conns(struct rxrpc_local *);
/*
* conn_event.c
@ -1105,6 +1111,7 @@ void rxrpc_kernel_data_consumed(struct rxrpc_call *, struct sk_buff *);
void rxrpc_packet_destructor(struct sk_buff *);
void rxrpc_new_skb(struct sk_buff *, enum rxrpc_skb_trace);
void rxrpc_see_skb(struct sk_buff *, enum rxrpc_skb_trace);
void rxrpc_eaten_skb(struct sk_buff *, enum rxrpc_skb_trace);
void rxrpc_get_skb(struct sk_buff *, enum rxrpc_skb_trace);
void rxrpc_free_skb(struct sk_buff *, enum rxrpc_skb_trace);
void rxrpc_purge_queue(struct sk_buff_head *);

8
net/rxrpc/call_event.c
View File

@ -199,7 +199,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
continue;
skb = call->rxtx_buffer[ix];
rxrpc_see_skb(skb, rxrpc_skb_tx_seen);
rxrpc_see_skb(skb, rxrpc_skb_seen);
if (anno_type == RXRPC_TX_ANNO_UNACK) {
if (ktime_after(skb->tstamp, max_age)) {
@ -255,18 +255,18 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
continue;
skb = call->rxtx_buffer[ix];
rxrpc_get_skb(skb, rxrpc_skb_tx_got);
rxrpc_get_skb(skb, rxrpc_skb_got);
spin_unlock_bh(&call->lock);
if (rxrpc_send_data_packet(call, skb, true) < 0) {
rxrpc_free_skb(skb, rxrpc_skb_tx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
return;
}
if (rxrpc_is_client_call(call))
rxrpc_expose_client_call(call);
rxrpc_free_skb(skb, rxrpc_skb_tx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
spin_lock_bh(&call->lock);
/* We need to clear the retransmit state, but there are two

33
net/rxrpc/call_object.c
View File

@ -421,6 +421,19 @@ void rxrpc_get_call(struct rxrpc_call *call, enum rxrpc_call_trace op)
trace_rxrpc_call(call, op, n, here, NULL);
}
/*
* Clean up the RxTx skb ring.
*/
static void rxrpc_cleanup_ring(struct rxrpc_call *call)
{
int i;
for (i = 0; i < RXRPC_RXTX_BUFF_SIZE; i++) {
rxrpc_free_skb(call->rxtx_buffer[i], rxrpc_skb_cleaned);
call->rxtx_buffer[i] = NULL;
}
}
/*
* Detach a call from its owning socket.
*/
@ -429,7 +442,6 @@ void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call)
const void *here = __builtin_return_address(0);
struct rxrpc_connection *conn = call->conn;
bool put = false;
int i;
_enter("{%d,%d}", call->debug_id, atomic_read(&call->usage));
@ -479,13 +491,7 @@ void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call)
if (conn)
rxrpc_disconnect_call(call);
for (i = 0; i < RXRPC_RXTX_BUFF_SIZE; i++) {
rxrpc_free_skb(call->rxtx_buffer[i],
(call->tx_phase ? rxrpc_skb_tx_cleaned :
rxrpc_skb_rx_cleaned));
call->rxtx_buffer[i] = NULL;
}
rxrpc_cleanup_ring(call);
_leave("");
}
@ -568,8 +574,6 @@ static void rxrpc_rcu_destroy_call(struct rcu_head *rcu)
*/
void rxrpc_cleanup_call(struct rxrpc_call *call)
{
int i;
_net("DESTROY CALL %d", call->debug_id);
memset(&call->sock_node, 0xcd, sizeof(call->sock_node));
@ -580,13 +584,8 @@ void rxrpc_cleanup_call(struct rxrpc_call *call)
ASSERT(test_bit(RXRPC_CALL_RELEASED, &call->flags));
ASSERTCMP(call->conn, ==, NULL);
/* Clean up the Rx/Tx buffer */
for (i = 0; i < RXRPC_RXTX_BUFF_SIZE; i++)
rxrpc_free_skb(call->rxtx_buffer[i],
(call->tx_phase ? rxrpc_skb_tx_cleaned :
rxrpc_skb_rx_cleaned));
rxrpc_free_skb(call->tx_pending, rxrpc_skb_tx_cleaned);
rxrpc_cleanup_ring(call);
rxrpc_free_skb(call->tx_pending, rxrpc_skb_cleaned);
call_rcu(&call->rcu, rxrpc_rcu_destroy_call);
}

44
net/rxrpc/conn_client.c
View File

@ -1162,3 +1162,47 @@ void rxrpc_destroy_all_client_connections(struct rxrpc_net *rxnet)
_leave("");
}
/*
* Clean up the client connections on a local endpoint.
*/
void rxrpc_clean_up_local_conns(struct rxrpc_local *local)
{
struct rxrpc_connection *conn, *tmp;
struct rxrpc_net *rxnet = local->rxnet;
unsigned int nr_active;
LIST_HEAD(graveyard);
_enter("");
spin_lock(&rxnet->client_conn_cache_lock);
nr_active = rxnet->nr_active_client_conns;
list_for_each_entry_safe(conn, tmp, &rxnet->idle_client_conns,
cache_link) {
if (conn->params.local == local) {
ASSERTCMP(conn->cache_state, ==, RXRPC_CONN_CLIENT_IDLE);
trace_rxrpc_client(conn, -1, rxrpc_client_discard);
if (!test_and_clear_bit(RXRPC_CONN_EXPOSED, &conn->flags))
BUG();
conn->cache_state = RXRPC_CONN_CLIENT_INACTIVE;
list_move(&conn->cache_link, &graveyard);
nr_active--;
}
}
rxnet->nr_active_client_conns = nr_active;
spin_unlock(&rxnet->client_conn_cache_lock);
ASSERTCMP(nr_active, >=, 0);
while (!list_empty(&graveyard)) {
conn = list_entry(graveyard.next,
struct rxrpc_connection, cache_link);
list_del_init(&conn->cache_link);
rxrpc_put_connection(conn);
}
_leave(" [culled]");
}

6
net/rxrpc/conn_event.c
View File

@ -472,7 +472,7 @@ void rxrpc_process_connection(struct work_struct *work)
/* go through the conn-level event packets, releasing the ref on this
* connection that each one has when we've finished with it */
while ((skb = skb_dequeue(&conn->rx_queue))) {
rxrpc_see_skb(skb, rxrpc_skb_rx_seen);
rxrpc_see_skb(skb, rxrpc_skb_seen);
ret = rxrpc_process_event(conn, skb, &abort_code);
switch (ret) {
case -EPROTO:
@ -484,7 +484,7 @@ void rxrpc_process_connection(struct work_struct *work)
goto requeue_and_leave;
case -ECONNABORTED:
default:
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
break;
}
}
@ -501,6 +501,6 @@ requeue_and_leave:
protocol_error:
if (rxrpc_abort_connection(conn, ret, abort_code) < 0)
goto requeue_and_leave;
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
goto out;
}

2
net/rxrpc/conn_object.c
View File

@ -398,7 +398,7 @@ void rxrpc_service_connection_reaper(struct work_struct *work)
if (conn->state == RXRPC_CONN_SERVICE_PREALLOC)
continue;
if (rxnet->live) {
if (rxnet->live && !conn->params.local->dead) {
idle_timestamp = READ_ONCE(conn->idle_timestamp);
expire_at = idle_timestamp + rxrpc_connection_expiry * HZ;
if (conn->params.local->service_closed)

302
net/rxrpc/input.c
View File

@ -233,7 +233,7 @@ static bool rxrpc_rotate_tx_window(struct rxrpc_call *call, rxrpc_seq_t to,
ix = call->tx_hard_ack & RXRPC_RXTX_BUFF_MASK;
skb = call->rxtx_buffer[ix];
annotation = call->rxtx_annotations[ix];
rxrpc_see_skb(skb, rxrpc_skb_tx_rotated);
rxrpc_see_skb(skb, rxrpc_skb_rotated);
call->rxtx_buffer[ix] = NULL;
call->rxtx_annotations[ix] = 0;
skb->next = list;
@ -258,7 +258,7 @@ static bool rxrpc_rotate_tx_window(struct rxrpc_call *call, rxrpc_seq_t to,
skb = list;
list = skb->next;
skb_mark_not_on_list(skb);
rxrpc_free_skb(skb, rxrpc_skb_tx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
}
return rot_last;
@ -347,7 +347,7 @@ static bool rxrpc_receiving_reply(struct rxrpc_call *call)
}
/*
* Scan a jumbo packet to validate its structure and to work out how many
* Scan a data packet to validate its structure and to work out how many
* subpackets it contains.
*
* A jumbo packet is a collection of consecutive packets glued together with
@ -358,16 +358,21 @@ static bool rxrpc_receiving_reply(struct rxrpc_call *call)
* the last are RXRPC_JUMBO_DATALEN in size. The last subpacket may be of any
* size.
*/
static bool rxrpc_validate_jumbo(struct sk_buff *skb)
static bool rxrpc_validate_data(struct sk_buff *skb)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
unsigned int offset = sizeof(struct rxrpc_wire_header);
unsigned int len = skb->len;
int nr_jumbo = 1;
u8 flags = sp->hdr.flags;
do {
nr_jumbo++;
for (;;) {
if (flags & RXRPC_REQUEST_ACK)
__set_bit(sp->nr_subpackets, sp->rx_req_ack);
sp->nr_subpackets++;
if (!(flags & RXRPC_JUMBO_PACKET))
break;
if (len - offset < RXRPC_JUMBO_SUBPKTLEN)
goto protocol_error;
if (flags & RXRPC_LAST_PACKET)
@ -376,9 +381,10 @@ static bool rxrpc_validate_jumbo(struct sk_buff *skb)
if (skb_copy_bits(skb, offset, &flags, 1) < 0)
goto protocol_error;
offset += sizeof(struct rxrpc_jumbo_header);
} while (flags & RXRPC_JUMBO_PACKET);
}
sp->nr_jumbo = nr_jumbo;
if (flags & RXRPC_LAST_PACKET)
sp->rx_flags |= RXRPC_SKB_INCL_LAST;
return true;
protocol_error:
@ -399,10 +405,10 @@ protocol_error:
* (that information is encoded in the ACK packet).
*/
static void rxrpc_input_dup_data(struct rxrpc_call *call, rxrpc_seq_t seq,
u8 annotation, bool *_jumbo_bad)
bool is_jumbo, bool *_jumbo_bad)
{
/* Discard normal packets that are duplicates. */
if (annotation == 0)
if (is_jumbo)
return;
/* Skip jumbo subpackets that are duplicates. When we've had three or
@ -416,29 +422,30 @@ static void rxrpc_input_dup_data(struct rxrpc_call *call, rxrpc_seq_t seq,
}
/*
* Process a DATA packet, adding the packet to the Rx ring.
* Process a DATA packet, adding the packet to the Rx ring. The caller's
* packet ref must be passed on or discarded.
*/
static void rxrpc_input_data(struct rxrpc_call *call, struct sk_buff *skb)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
enum rxrpc_call_state state;
unsigned int offset = sizeof(struct rxrpc_wire_header);
unsigned int ix;
unsigned int j;
rxrpc_serial_t serial = sp->hdr.serial, ack_serial = 0;
rxrpc_seq_t seq = sp->hdr.seq, hard_ack;
bool immediate_ack = false, jumbo_bad = false, queued;
u16 len;
u8 ack = 0, flags, annotation = 0;
rxrpc_seq_t seq0 = sp->hdr.seq, hard_ack;
bool immediate_ack = false, jumbo_bad = false;
u8 ack = 0;
_enter("{%u,%u},{%u,%u}",
call->rx_hard_ack, call->rx_top, skb->len, seq);
call->rx_hard_ack, call->rx_top, skb->len, seq0);
_proto("Rx DATA %%%u { #%u f=%02x }",
sp->hdr.serial, seq, sp->hdr.flags);
_proto("Rx DATA %%%u { #%u f=%02x n=%u }",
sp->hdr.serial, seq0, sp->hdr.flags, sp->nr_subpackets);
state = READ_ONCE(call->state);
if (state >= RXRPC_CALL_COMPLETE)
if (state >= RXRPC_CALL_COMPLETE) {
rxrpc_free_skb(skb, rxrpc_skb_freed);
return;
}
if (call->state == RXRPC_CALL_SERVER_RECV_REQUEST) {
unsigned long timo = READ_ONCE(call->next_req_timo);
@ -463,137 +470,137 @@ static void rxrpc_input_data(struct rxrpc_call *call, struct sk_buff *skb)
!rxrpc_receiving_reply(call))
goto unlock;
call->ackr_prev_seq = seq;
call->ackr_prev_seq = seq0;
hard_ack = READ_ONCE(call->rx_hard_ack);
if (after(seq, hard_ack + call->rx_winsize)) {
ack = RXRPC_ACK_EXCEEDS_WINDOW;
ack_serial = serial;
goto ack;
}
flags = sp->hdr.flags;
if (flags & RXRPC_JUMBO_PACKET) {
if (sp->nr_subpackets > 1) {
if (call->nr_jumbo_bad > 3) {
ack = RXRPC_ACK_NOSPACE;
ack_serial = serial;
goto ack;
}
annotation = 1;
}
next_subpacket:
queued = false;
ix = seq & RXRPC_RXTX_BUFF_MASK;
len = skb->len;
if (flags & RXRPC_JUMBO_PACKET)
len = RXRPC_JUMBO_DATALEN;
for (j = 0; j < sp->nr_subpackets; j++) {
rxrpc_serial_t serial = sp->hdr.serial + j;
rxrpc_seq_t seq = seq0 + j;
unsigned int ix = seq & RXRPC_RXTX_BUFF_MASK;
bool terminal = (j == sp->nr_subpackets - 1);
bool last = terminal && (sp->rx_flags & RXRPC_SKB_INCL_LAST);
u8 flags, annotation = j;
if (flags & RXRPC_LAST_PACKET) {
if (test_bit(RXRPC_CALL_RX_LAST, &call->flags) &&
seq != call->rx_top) {
rxrpc_proto_abort("LSN", call, seq);
goto unlock;
_proto("Rx DATA+%u %%%u { #%x t=%u l=%u }",
j, serial, seq, terminal, last);
if (last) {
if (test_bit(RXRPC_CALL_RX_LAST, &call->flags) &&
seq != call->rx_top) {
rxrpc_proto_abort("LSN", call, seq);
goto unlock;
}
} else {
if (test_bit(RXRPC_CALL_RX_LAST, &call->flags) &&
after_eq(seq, call->rx_top)) {
rxrpc_proto_abort("LSA", call, seq);
goto unlock;
}
}
} else {
if (test_bit(RXRPC_CALL_RX_LAST, &call->flags) &&
after_eq(seq, call->rx_top)) {
rxrpc_proto_abort("LSA", call, seq);
goto unlock;
}
}
trace_rxrpc_rx_data(call->debug_id, seq, serial, flags, annotation);
if (before_eq(seq, hard_ack)) {
ack = RXRPC_ACK_DUPLICATE;
ack_serial = serial;
goto skip;
}
flags = 0;
if (last)
flags |= RXRPC_LAST_PACKET;
if (!terminal)
flags |= RXRPC_JUMBO_PACKET;
if (test_bit(j, sp->rx_req_ack))
flags |= RXRPC_REQUEST_ACK;
trace_rxrpc_rx_data(call->debug_id, seq, serial, flags, annotation);
if (flags & RXRPC_REQUEST_ACK && !ack) {
ack = RXRPC_ACK_REQUESTED;
ack_serial = serial;
}
if (call->rxtx_buffer[ix]) {
rxrpc_input_dup_data(call, seq, annotation, &jumbo_bad);
if (ack != RXRPC_ACK_DUPLICATE) {
if (before_eq(seq, hard_ack)) {
ack = RXRPC_ACK_DUPLICATE;
ack_serial = serial;
continue;
}
immediate_ack = true;
goto skip;
}
/* Queue the packet. We use a couple of memory barriers here as need
* to make sure that rx_top is perceived to be set after the buffer
* pointer and that the buffer pointer is set after the annotation and
* the skb data.
*
* Barriers against rxrpc_recvmsg_data() and rxrpc_rotate_rx_window()
* and also rxrpc_fill_out_ack().
*/
rxrpc_get_skb(skb, rxrpc_skb_rx_got);
call->rxtx_annotations[ix] = annotation;
smp_wmb();
call->rxtx_buffer[ix] = skb;
if (after(seq, call->rx_top)) {
smp_store_release(&call->rx_top, seq);
} else if (before(seq, call->rx_top)) {
/* Send an immediate ACK if we fill in a hole */
if (!ack) {
ack = RXRPC_ACK_DELAY;
ack_serial = serial;
if (call->rxtx_buffer[ix]) {
rxrpc_input_dup_data(call, seq, sp->nr_subpackets > 1,
&jumbo_bad);
if (ack != RXRPC_ACK_DUPLICATE) {
ack = RXRPC_ACK_DUPLICATE;
ack_serial = serial;
}
immediate_ack = true;
continue;
}
immediate_ack = true;
}
if (flags & RXRPC_LAST_PACKET) {
set_bit(RXRPC_CALL_RX_LAST, &call->flags);
trace_rxrpc_receive(call, rxrpc_receive_queue_last, serial, seq);
} else {
trace_rxrpc_receive(call, rxrpc_receive_queue, serial, seq);
}
queued = true;
if (after_eq(seq, call->rx_expect_next)) {
if (after(seq, call->rx_expect_next)) {
_net("OOS %u > %u", seq, call->rx_expect_next);
ack = RXRPC_ACK_OUT_OF_SEQUENCE;
ack_serial = serial;
}
call->rx_expect_next = seq + 1;
}
skip:
offset += len;
if (flags & RXRPC_JUMBO_PACKET) {
if (skb_copy_bits(skb, offset, &flags, 1) < 0) {
rxrpc_proto_abort("XJF", call, seq);
goto unlock;
}
offset += sizeof(struct rxrpc_jumbo_header);
seq++;
serial++;
annotation++;
if (flags & RXRPC_JUMBO_PACKET)
annotation |= RXRPC_RX_ANNO_JLAST;
if (after(seq, hard_ack + call->rx_winsize)) {
ack = RXRPC_ACK_EXCEEDS_WINDOW;
ack_serial = serial;
if (!jumbo_bad) {
call->nr_jumbo_bad++;
jumbo_bad = true;
if (flags & RXRPC_JUMBO_PACKET) {
if (!jumbo_bad) {
call->nr_jumbo_bad++;
jumbo_bad = true;
}
}
goto ack;
}
_proto("Rx DATA Jumbo %%%u", serial);
goto next_subpacket;
}
if (flags & RXRPC_REQUEST_ACK && !ack) {
ack = RXRPC_ACK_REQUESTED;
ack_serial = serial;
}
if (queued && flags & RXRPC_LAST_PACKET && !ack) {
ack = RXRPC_ACK_DELAY;
ack_serial = serial;
/* Queue the packet. We use a couple of memory barriers here as need
* to make sure that rx_top is perceived to be set after the buffer
* pointer and that the buffer pointer is set after the annotation and
* the skb data.
*
* Barriers against rxrpc_recvmsg_data() and rxrpc_rotate_rx_window()
* and also rxrpc_fill_out_ack().
*/
if (!terminal)
rxrpc_get_skb(skb, rxrpc_skb_got);
call->rxtx_annotations[ix] = annotation;
smp_wmb();
call->rxtx_buffer[ix] = skb;
if (after(seq, call->rx_top)) {
smp_store_release(&call->rx_top, seq);
} else if (before(seq, call->rx_top)) {
/* Send an immediate ACK if we fill in a hole */
if (!ack) {
ack = RXRPC_ACK_DELAY;
ack_serial = serial;
}
immediate_ack = true;
}
if (terminal) {
/* From this point on, we're not allowed to touch the
* packet any longer as its ref now belongs to the Rx
* ring.
*/
skb = NULL;
}
if (last) {
set_bit(RXRPC_CALL_RX_LAST, &call->flags);
if (!ack) {
ack = RXRPC_ACK_DELAY;
ack_serial = serial;
}
trace_rxrpc_receive(call, rxrpc_receive_queue_last, serial, seq);
} else {
trace_rxrpc_receive(call, rxrpc_receive_queue, serial, seq);
}
if (after_eq(seq, call->rx_expect_next)) {
if (after(seq, call->rx_expect_next)) {
_net("OOS %u > %u", seq, call->rx_expect_next);
ack = RXRPC_ACK_OUT_OF_SEQUENCE;
ack_serial = serial;
}
call->rx_expect_next = seq + 1;
}
}
ack:
@ -606,13 +613,14 @@ ack:
false, true,
rxrpc_propose_ack_input_data);
if (sp->hdr.seq == READ_ONCE(call->rx_hard_ack) + 1) {
if (seq0 == READ_ONCE(call->rx_hard_ack) + 1) {
trace_rxrpc_notify_socket(call->debug_id, serial);
rxrpc_notify_socket(call);
}
unlock:
spin_unlock(&call->input_lock);
rxrpc_free_skb(skb, rxrpc_skb_freed);
_leave(" [queued]");
}
@ -1021,7 +1029,7 @@ static void rxrpc_input_call_packet(struct rxrpc_call *call,
switch (sp->hdr.type) {
case RXRPC_PACKET_TYPE_DATA:
rxrpc_input_data(call, skb);
break;
goto no_free;
case RXRPC_PACKET_TYPE_ACK:
rxrpc_input_ack(call, skb);
@ -1048,6 +1056,8 @@ static void rxrpc_input_call_packet(struct rxrpc_call *call,
break;
}
rxrpc_free_skb(skb, rxrpc_skb_freed);
no_free:
_leave("");
}
@ -1109,7 +1119,7 @@ static void rxrpc_post_packet_to_local(struct rxrpc_local *local,
skb_queue_tail(&local->event_queue, skb);
rxrpc_queue_local(local);
} else {
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
}
}
@ -1124,7 +1134,7 @@ static void rxrpc_reject_packet(struct rxrpc_local *local, struct sk_buff *skb)
skb_queue_tail(&local->reject_queue, skb);
rxrpc_queue_local(local);
} else {
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
}
}
@ -1188,7 +1198,7 @@ int rxrpc_input_packet(struct sock *udp_sk, struct sk_buff *skb)
if (skb->tstamp == 0)
skb->tstamp = ktime_get_real();
rxrpc_new_skb(skb, rxrpc_skb_rx_received);
rxrpc_new_skb(skb, rxrpc_skb_received);
skb_pull(skb, sizeof(struct udphdr));
@ -1205,7 +1215,7 @@ int rxrpc_input_packet(struct sock *udp_sk, struct sk_buff *skb)
static int lose;
if ((lose++ & 7) == 7) {
trace_rxrpc_rx_lose(sp);
rxrpc_free_skb(skb, rxrpc_skb_rx_lost);
rxrpc_free_skb(skb, rxrpc_skb_lost);
return 0;
}
}
@ -1237,9 +1247,26 @@ int rxrpc_input_packet(struct sock *udp_sk, struct sk_buff *skb)
if (sp->hdr.callNumber == 0 ||
sp->hdr.seq == 0)
goto bad_message;
if (sp->hdr.flags & RXRPC_JUMBO_PACKET &&
!rxrpc_validate_jumbo(skb))
if (!rxrpc_validate_data(skb))
goto bad_message;
/* Unshare the packet so that it can be modified for in-place
* decryption.
*/
if (sp->hdr.securityIndex != 0) {
struct sk_buff *nskb = skb_unshare(skb, GFP_ATOMIC);
if (!nskb) {
rxrpc_eaten_skb(skb, rxrpc_skb_unshared_nomem);
goto out;
}
if (nskb != skb) {
rxrpc_eaten_skb(skb, rxrpc_skb_received);
rxrpc_new_skb(skb, rxrpc_skb_unshared);
skb = nskb;
sp = rxrpc_skb(skb);
}
}
break;
case RXRPC_PACKET_TYPE_CHALLENGE:
@ -1373,11 +1400,14 @@ int rxrpc_input_packet(struct sock *udp_sk, struct sk_buff *skb)
mutex_unlock(&call->user_mutex);
}
/* Process a call packet; this either discards or passes on the ref
* elsewhere.
*/
rxrpc_input_call_packet(call, skb);
goto discard;
goto out;
discard:
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
out:
trace_rxrpc_rx_done(0, 0);
return 0;

4
net/rxrpc/local_event.c
View File

@ -90,7 +90,7 @@ void rxrpc_process_local_events(struct rxrpc_local *local)
if (skb) {
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
rxrpc_see_skb(skb, rxrpc_skb_rx_seen);
rxrpc_see_skb(skb, rxrpc_skb_seen);
_debug("{%d},{%u}", local->debug_id, sp->hdr.type);
switch (sp->hdr.type) {
@ -108,7 +108,7 @@ void rxrpc_process_local_events(struct rxrpc_local *local)
break;
}
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
}
_leave("");

5
net/rxrpc/local_object.c
View File

@ -426,11 +426,14 @@ static void rxrpc_local_destroyer(struct rxrpc_local *local)
_enter("%d", local->debug_id);
local->dead = true;
mutex_lock(&rxnet->local_mutex);
list_del_init(&local->link);
mutex_unlock(&rxnet->local_mutex);
ASSERT(RB_EMPTY_ROOT(&local->client_conns));
rxrpc_clean_up_local_conns(local);
rxrpc_service_connection_reaper(&rxnet->service_conn_reaper);
ASSERT(!local->service);
if (socket) {

6
net/rxrpc/output.c
View File

@ -565,7 +565,7 @@ void rxrpc_reject_packets(struct rxrpc_local *local)
memset(&whdr, 0, sizeof(whdr));
while ((skb = skb_dequeue(&local->reject_queue))) {
rxrpc_see_skb(skb, rxrpc_skb_rx_seen);
rxrpc_see_skb(skb, rxrpc_skb_seen);
sp = rxrpc_skb(skb);
switch (skb->mark) {
@ -581,7 +581,7 @@ void rxrpc_reject_packets(struct rxrpc_local *local)
ioc = 2;
break;
default:
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
continue;
}
@ -606,7 +606,7 @@ void rxrpc_reject_packets(struct rxrpc_local *local)
rxrpc_tx_point_reject);
}
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
}
_leave("");

10
net/rxrpc/peer_event.c
View File

@ -163,11 +163,11 @@ void rxrpc_error_report(struct sock *sk)
_leave("UDP socket errqueue empty");
return;
}
rxrpc_new_skb(skb, rxrpc_skb_rx_received);
rxrpc_new_skb(skb, rxrpc_skb_received);
serr = SKB_EXT_ERR(skb);
if (!skb->len && serr->ee.ee_origin == SO_EE_ORIGIN_TIMESTAMPING) {
_leave("UDP empty message");
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
return;
}
@ -177,7 +177,7 @@ void rxrpc_error_report(struct sock *sk)
peer = NULL;
if (!peer) {
rcu_read_unlock();
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
_leave(" [no peer]");
return;
}
@ -189,7 +189,7 @@ void rxrpc_error_report(struct sock *sk)
serr->ee.ee_code == ICMP_FRAG_NEEDED)) {
rxrpc_adjust_mtu(peer, serr);
rcu_read_unlock();
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
rxrpc_put_peer(peer);
_leave(" [MTU update]");
return;
@ -197,7 +197,7 @@ void rxrpc_error_report(struct sock *sk)
rxrpc_store_error(peer, serr);
rcu_read_unlock();
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
rxrpc_put_peer(peer);
_leave("");

9
net/rxrpc/protocol.h
View File

@ -89,6 +89,15 @@ struct rxrpc_jumbo_header {
#define RXRPC_JUMBO_DATALEN 1412 /* non-terminal jumbo packet data length */
#define RXRPC_JUMBO_SUBPKTLEN (RXRPC_JUMBO_DATALEN + sizeof(struct rxrpc_jumbo_header))
/*
* The maximum number of subpackets that can possibly fit in a UDP packet is:
*
* ((max_IP - IP_hdr - UDP_hdr) / RXRPC_JUMBO_SUBPKTLEN) + 1
* = ((65535 - 28 - 28) / 1416) + 1
* = 46 non-terminal packets and 1 terminal packet.
*/
#define RXRPC_MAX_NR_JUMBO 47
/*****************************************************************************/
/*
* on-the-wire Rx ACK packet data payload

47
net/rxrpc/recvmsg.c
View File

@ -177,7 +177,8 @@ static void rxrpc_rotate_rx_window(struct rxrpc_call *call)
struct sk_buff *skb;
rxrpc_serial_t serial;
rxrpc_seq_t hard_ack, top;
u8 flags;
bool last = false;
u8 subpacket;
int ix;
_enter("%d", call->debug_id);
@ -189,23 +190,25 @@ static void rxrpc_rotate_rx_window(struct rxrpc_call *call)
hard_ack++;
ix = hard_ack & RXRPC_RXTX_BUFF_MASK;
skb = call->rxtx_buffer[ix];
rxrpc_see_skb(skb, rxrpc_skb_rx_rotated);
rxrpc_see_skb(skb, rxrpc_skb_rotated);
sp = rxrpc_skb(skb);
flags = sp->hdr.flags;
serial = sp->hdr.serial;
if (call->rxtx_annotations[ix] & RXRPC_RX_ANNO_JUMBO)
serial += (call->rxtx_annotations[ix] & RXRPC_RX_ANNO_JUMBO) - 1;
subpacket = call->rxtx_annotations[ix] & RXRPC_RX_ANNO_SUBPACKET;
serial = sp->hdr.serial + subpacket;
if (subpacket == sp->nr_subpackets - 1 &&
sp->rx_flags & RXRPC_SKB_INCL_LAST)
last = true;
call->rxtx_buffer[ix] = NULL;
call->rxtx_annotations[ix] = 0;
/* Barrier against rxrpc_input_data(). */
smp_store_release(&call->rx_hard_ack, hard_ack);
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
_debug("%u,%u,%02x", hard_ack, top, flags);
trace_rxrpc_receive(call, rxrpc_receive_rotate, serial, hard_ack);
if (flags & RXRPC_LAST_PACKET) {
if (last) {
rxrpc_end_rx_phase(call, serial);
} else {
/* Check to see if there's an ACK that needs sending. */
@ -233,18 +236,19 @@ static int rxrpc_verify_packet(struct rxrpc_call *call, struct sk_buff *skb,
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
rxrpc_seq_t seq = sp->hdr.seq;
u16 cksum = sp->hdr.cksum;
u8 subpacket = annotation & RXRPC_RX_ANNO_SUBPACKET;
_enter("");
/* For all but the head jumbo subpacket, the security checksum is in a
* jumbo header immediately prior to the data.
*/
if ((annotation & RXRPC_RX_ANNO_JUMBO) > 1) {
if (subpacket > 0) {
__be16 tmp;
if (skb_copy_bits(skb, offset - 2, &tmp, 2) < 0)
BUG();
cksum = ntohs(tmp);
seq += (annotation & RXRPC_RX_ANNO_JUMBO) - 1;
seq += subpacket;
}
return call->conn->security->verify_packet(call, skb, offset, len,
@ -265,19 +269,18 @@ static int rxrpc_locate_data(struct rxrpc_call *call, struct sk_buff *skb,
u8 *_annotation,
unsigned int *_offset, unsigned int *_len)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
unsigned int offset = sizeof(struct rxrpc_wire_header);
unsigned int len;
int ret;
u8 annotation = *_annotation;
u8 subpacket = annotation & RXRPC_RX_ANNO_SUBPACKET;
/* Locate the subpacket */
offset += subpacket * RXRPC_JUMBO_SUBPKTLEN;
len = skb->len - offset;
if ((annotation & RXRPC_RX_ANNO_JUMBO) > 0) {
offset += (((annotation & RXRPC_RX_ANNO_JUMBO) - 1) *
RXRPC_JUMBO_SUBPKTLEN);
len = (annotation & RXRPC_RX_ANNO_JLAST) ?
skb->len - offset : RXRPC_JUMBO_SUBPKTLEN;
}
if (subpacket < sp->nr_subpackets - 1)
len = RXRPC_JUMBO_DATALEN;
if (!(annotation & RXRPC_RX_ANNO_VERIFIED)) {
ret = rxrpc_verify_packet(call, skb, annotation, offset, len);
@ -303,6 +306,7 @@ static int rxrpc_recvmsg_data(struct socket *sock, struct rxrpc_call *call,
{
struct rxrpc_skb_priv *sp;
struct sk_buff *skb;
rxrpc_serial_t serial;
rxrpc_seq_t hard_ack, top, seq;
size_t remain;
bool last;
@ -336,12 +340,15 @@ static int rxrpc_recvmsg_data(struct socket *sock, struct rxrpc_call *call,
break;
}
smp_rmb();
rxrpc_see_skb(skb, rxrpc_skb_rx_seen);
rxrpc_see_skb(skb, rxrpc_skb_seen);
sp = rxrpc_skb(skb);
if (!(flags & MSG_PEEK))
if (!(flags & MSG_PEEK)) {
serial = sp->hdr.serial;
serial += call->rxtx_annotations[ix] & RXRPC_RX_ANNO_SUBPACKET;
trace_rxrpc_receive(call, rxrpc_receive_front,
sp->hdr.serial, seq);
serial, seq);
}
if (msg)
sock_recv_timestamp(msg, sock->sk, skb);

32
net/rxrpc/rxkad.c
View File

@ -187,10 +187,8 @@ static int rxkad_secure_packet_encrypt(const struct rxrpc_call *call,
struct rxrpc_skb_priv *sp;
struct rxrpc_crypt iv;
struct scatterlist sg[16];
struct sk_buff *trailer;
unsigned int len;
u16 check;
int nsg;
int err;
sp = rxrpc_skb(skb);
@ -214,15 +212,14 @@ static int rxkad_secure_packet_encrypt(const struct rxrpc_call *call,
crypto_skcipher_encrypt(req);
/* we want to encrypt the skbuff in-place */
nsg = skb_cow_data(skb, 0, &trailer);
err = -ENOMEM;
if (nsg < 0 || nsg > 16)
err = -EMSGSIZE;
if (skb_shinfo(skb)->nr_frags > 16)
goto out;
len = data_size + call->conn->size_align - 1;
len &= ~(call->conn->size_align - 1);
sg_init_table(sg, nsg);
sg_init_table(sg, ARRAY_SIZE(sg));
err = skb_to_sgvec(skb, sg, 0, len);
if (unlikely(err < 0))
goto out;
@ -319,11 +316,10 @@ static int rxkad_verify_packet_1(struct rxrpc_call *call, struct sk_buff *skb,
struct rxkad_level1_hdr sechdr;
struct rxrpc_crypt iv;
struct scatterlist sg[16];
struct sk_buff *trailer;
bool aborted;
u32 data_size, buf;
u16 check;
int nsg, ret;
int ret;
_enter("");
@ -336,11 +332,7 @@ static int rxkad_verify_packet_1(struct rxrpc_call *call, struct sk_buff *skb,
/* Decrypt the skbuff in-place. TODO: We really want to decrypt
* directly into the target buffer.
*/
nsg = skb_cow_data(skb, 0, &trailer);
if (nsg < 0 || nsg > 16)
goto nomem;
sg_init_table(sg, nsg);
sg_init_table(sg, ARRAY_SIZE(sg));
ret = skb_to_sgvec(skb, sg, offset, 8);
if (unlikely(ret < 0))
return ret;
@ -388,10 +380,6 @@ protocol_error:
if (aborted)
rxrpc_send_abort_packet(call);
return -EPROTO;
nomem:
_leave(" = -ENOMEM");
return -ENOMEM;
}
/*
@ -406,7 +394,6 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb,
struct rxkad_level2_hdr sechdr;
struct rxrpc_crypt iv;
struct scatterlist _sg[4], *sg;
struct sk_buff *trailer;
bool aborted;
u32 data_size, buf;
u16 check;
@ -423,12 +410,11 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb,
/* Decrypt the skbuff in-place. TODO: We really want to decrypt
* directly into the target buffer.
*/
nsg = skb_cow_data(skb, 0, &trailer);
if (nsg < 0)
goto nomem;
sg = _sg;
if (unlikely(nsg > 4)) {
nsg = skb_shinfo(skb)->nr_frags;
if (nsg <= 4) {
nsg = 4;
} else {
sg = kmalloc_array(nsg, sizeof(*sg), GFP_NOIO);
if (!sg)
goto nomem;

13
net/rxrpc/sendmsg.c
View File

@ -176,7 +176,7 @@ static int rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call,
skb->tstamp = ktime_get_real();
ix = seq & RXRPC_RXTX_BUFF_MASK;
rxrpc_get_skb(skb, rxrpc_skb_tx_got);
rxrpc_get_skb(skb, rxrpc_skb_got);
call->rxtx_annotations[ix] = annotation;
smp_wmb();
call->rxtx_buffer[ix] = skb;
@ -248,7 +248,7 @@ static int rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call,
}
out:
rxrpc_free_skb(skb, rxrpc_skb_tx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
_leave(" = %d", ret);
return ret;
}
@ -289,7 +289,7 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
skb = call->tx_pending;
call->tx_pending = NULL;
rxrpc_see_skb(skb, rxrpc_skb_tx_seen);
rxrpc_see_skb(skb, rxrpc_skb_seen);
copied = 0;
do {
@ -336,7 +336,9 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
if (!skb)
goto maybe_error;
rxrpc_new_skb(skb, rxrpc_skb_tx_new);
sp = rxrpc_skb(skb);
sp->rx_flags |= RXRPC_SKB_TX_BUFFER;
rxrpc_new_skb(skb, rxrpc_skb_new);
_debug("ALLOC SEND %p", skb);
@ -346,7 +348,6 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
skb_reserve(skb, call->conn->security_size);
skb->len += call->conn->security_size;
sp = rxrpc_skb(skb);
sp->remain = chunk;
if (sp->remain > skb_tailroom(skb))
sp->remain = skb_tailroom(skb);
@ -439,7 +440,7 @@ out:
return ret;
call_terminated:
rxrpc_free_skb(skb, rxrpc_skb_tx_freed);
rxrpc_free_skb(skb, rxrpc_skb_freed);
_leave(" = %d", call->error);
return call->error;

40
net/rxrpc/skbuff.c
View File

@ -14,7 +14,8 @@
#include <net/af_rxrpc.h>
#include "ar-internal.h"
#define select_skb_count(op) (op >= rxrpc_skb_tx_cleaned ? &rxrpc_n_tx_skbs : &rxrpc_n_rx_skbs)
#define is_tx_skb(skb) (rxrpc_skb(skb)->rx_flags & RXRPC_SKB_TX_BUFFER)
#define select_skb_count(skb) (is_tx_skb(skb) ? &rxrpc_n_tx_skbs : &rxrpc_n_rx_skbs)
/*
* Note the allocation or reception of a socket buffer.
@ -22,8 +23,9 @@
void rxrpc_new_skb(struct sk_buff *skb, enum rxrpc_skb_trace op)
{
const void *here = __builtin_return_address(0);
int n = atomic_inc_return(select_skb_count(op));
trace_rxrpc_skb(skb, op, refcount_read(&skb->users), n, here);
int n = atomic_inc_return(select_skb_count(skb));
trace_rxrpc_skb(skb, op, refcount_read(&skb->users), n,
rxrpc_skb(skb)->rx_flags, here);
}
/*
@ -33,8 +35,9 @@ void rxrpc_see_skb(struct sk_buff *skb, enum rxrpc_skb_trace op)
{
const void *here = __builtin_return_address(0);
if (skb) {
int n = atomic_read(select_skb_count(op));
trace_rxrpc_skb(skb, op, refcount_read(&skb->users), n, here);
int n = atomic_read(select_skb_count(skb));
trace_rxrpc_skb(skb, op, refcount_read(&skb->users), n,
rxrpc_skb(skb)->rx_flags, here);
}
}
@ -44,11 +47,22 @@ void rxrpc_see_skb(struct sk_buff *skb, enum rxrpc_skb_trace op)
void rxrpc_get_skb(struct sk_buff *skb, enum rxrpc_skb_trace op)
{
const void *here = __builtin_return_address(0);
int n = atomic_inc_return(select_skb_count(op));
trace_rxrpc_skb(skb, op, refcount_read(&skb->users), n, here);
int n = atomic_inc_return(select_skb_count(skb));
trace_rxrpc_skb(skb, op, refcount_read(&skb->users), n,
rxrpc_skb(skb)->rx_flags, here);
skb_get(skb);
}
/*
* Note the dropping of a ref on a socket buffer by the core.
*/
void rxrpc_eaten_skb(struct sk_buff *skb, enum rxrpc_skb_trace op)
{
const void *here = __builtin_return_address(0);
int n = atomic_inc_return(&rxrpc_n_rx_skbs);
trace_rxrpc_skb(skb, op, 0, n, 0, here);
}
/*
* Note the destruction of a socket buffer.
*/
@ -58,8 +72,9 @@ void rxrpc_free_skb(struct sk_buff *skb, enum rxrpc_skb_trace op)
if (skb) {
int n;
CHECK_SLAB_OKAY(&skb->users);
n = atomic_dec_return(select_skb_count(op));
trace_rxrpc_skb(skb, op, refcount_read(&skb->users), n, here);
n = atomic_dec_return(select_skb_count(skb));
trace_rxrpc_skb(skb, op, refcount_read(&skb->users), n,
rxrpc_skb(skb)->rx_flags, here);
kfree_skb(skb);
}
}
@ -72,9 +87,10 @@ void rxrpc_purge_queue(struct sk_buff_head *list)
const void *here = __builtin_return_address(0);
struct sk_buff *skb;
while ((skb = skb_dequeue((list))) != NULL) {
int n = atomic_dec_return(select_skb_count(rxrpc_skb_rx_purged));
trace_rxrpc_skb(skb, rxrpc_skb_rx_purged,
refcount_read(&skb->users), n, here);
int n = atomic_dec_return(select_skb_count(skb));
trace_rxrpc_skb(skb, rxrpc_skb_purged,
refcount_read(&skb->users), n,
rxrpc_skb(skb)->rx_flags, here);
kfree_skb(skb);
}
}

2
net/sched/act_bpf.c
View File

@ -422,7 +422,7 @@ static __net_init int bpf_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, bpf_net_id);
return tc_action_net_init(tn, &act_bpf_ops);
return tc_action_net_init(net, tn, &act_bpf_ops);
}
static void __net_exit bpf_exit_net(struct list_head *net_list)

2
net/sched/act_connmark.c
View File

@ -231,7 +231,7 @@ static __net_init int connmark_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, connmark_net_id);
return tc_action_net_init(tn, &act_connmark_ops);
return tc_action_net_init(net, tn, &act_connmark_ops);
}
static void __net_exit connmark_exit_net(struct list_head *net_list)

2
net/sched/act_csum.c
View File

@ -714,7 +714,7 @@ static __net_init int csum_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
return tc_action_net_init(tn, &act_csum_ops);
return tc_action_net_init(net, tn, &act_csum_ops);
}
static void __net_exit csum_exit_net(struct list_head *net_list)

2
net/sched/act_ct.c
View File

@ -939,7 +939,7 @@ static __net_init int ct_init_net(struct net *net)
tn->labels = true;
}
return tc_action_net_init(&tn->tn, &act_ct_ops);
return tc_action_net_init(net, &tn->tn, &act_ct_ops);
}
static void __net_exit ct_exit_net(struct list_head *net_list)

2
net/sched/act_ctinfo.c
View File

@ -376,7 +376,7 @@ static __net_init int ctinfo_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, ctinfo_net_id);
return tc_action_net_init(tn, &act_ctinfo_ops);
return tc_action_net_init(net, tn, &act_ctinfo_ops);
}
static void __net_exit ctinfo_exit_net(struct list_head *net_list)

2
net/sched/act_gact.c
View File

@ -278,7 +278,7 @@ static __net_init int gact_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
return tc_action_net_init(tn, &act_gact_ops);
return tc_action_net_init(net, tn, &act_gact_ops);
}
static void __net_exit gact_exit_net(struct list_head *net_list)

2
net/sched/act_ife.c
View File

@ -890,7 +890,7 @@ static __net_init int ife_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, ife_net_id);
return tc_action_net_init(tn, &act_ife_ops);
return tc_action_net_init(net, tn, &act_ife_ops);
}
static void __net_exit ife_exit_net(struct list_head *net_list)

11
net/sched/act_ipt.c
View File

@ -61,12 +61,13 @@ static int ipt_init_target(struct net *net, struct xt_entry_target *t,
return 0;
}
static void ipt_destroy_target(struct xt_entry_target *t)
static void ipt_destroy_target(struct xt_entry_target *t, struct net *net)
{
struct xt_tgdtor_param par = {
.target = t->u.kernel.target,
.targinfo = t->data,
.family = NFPROTO_IPV4,
.net = net,
};
if (par.target->destroy != NULL)
par.target->destroy(&par);
@ -78,7 +79,7 @@ static void tcf_ipt_release(struct tc_action *a)
struct tcf_ipt *ipt = to_ipt(a);
if (ipt->tcfi_t) {
ipt_destroy_target(ipt->tcfi_t);
ipt_destroy_target(ipt->tcfi_t, a->idrinfo->net);
kfree(ipt->tcfi_t);
}
kfree(ipt->tcfi_tname);
@ -180,7 +181,7 @@ static int __tcf_ipt_init(struct net *net, unsigned int id, struct nlattr *nla,
spin_lock_bh(&ipt->tcf_lock);
if (ret != ACT_P_CREATED) {
ipt_destroy_target(ipt->tcfi_t);
ipt_destroy_target(ipt->tcfi_t, net);
kfree(ipt->tcfi_tname);
kfree(ipt->tcfi_t);
}
@ -350,7 +351,7 @@ static __net_init int ipt_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, ipt_net_id);
return tc_action_net_init(tn, &act_ipt_ops);
return tc_action_net_init(net, tn, &act_ipt_ops);
}
static void __net_exit ipt_exit_net(struct list_head *net_list)
@ -399,7 +400,7 @@ static __net_init int xt_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, xt_net_id);
return tc_action_net_init(tn, &act_xt_ops);
return tc_action_net_init(net, tn, &act_xt_ops);
}
static void __net_exit xt_exit_net(struct list_head *net_list)

2
net/sched/act_mirred.c
View File

@ -453,7 +453,7 @@ static __net_init int mirred_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, mirred_net_id);
return tc_action_net_init(tn, &act_mirred_ops);
return tc_action_net_init(net, tn, &act_mirred_ops);
}
static void __net_exit mirred_exit_net(struct list_head *net_list)

2
net/sched/act_mpls.c
View File

@ -375,7 +375,7 @@ static __net_init int mpls_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, mpls_net_id);
return tc_action_net_init(tn, &act_mpls_ops);
return tc_action_net_init(net, tn, &act_mpls_ops);
}
static void __net_exit mpls_exit_net(struct list_head *net_list)

2
net/sched/act_nat.c
View File

@ -327,7 +327,7 @@ static __net_init int nat_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, nat_net_id);
return tc_action_net_init(tn, &act_nat_ops);
return tc_action_net_init(net, tn, &act_nat_ops);
}
static void __net_exit nat_exit_net(struct list_head *net_list)

2
net/sched/act_pedit.c
View File

@ -498,7 +498,7 @@ static __net_init int pedit_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, pedit_net_id);
return tc_action_net_init(tn, &act_pedit_ops);
return tc_action_net_init(net, tn, &act_pedit_ops);
}
static void __net_exit pedit_exit_net(struct list_head *net_list)

2
net/sched/act_police.c
View File

@ -371,7 +371,7 @@ static __net_init int police_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, police_net_id);
return tc_action_net_init(tn, &act_police_ops);
return tc_action_net_init(net, tn, &act_police_ops);
}
static void __net_exit police_exit_net(struct list_head *net_list)

8
net/sched/act_sample.c
View File

@ -102,13 +102,17 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla,
goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
s->rate = rate;
s->psample_group_num = psample_group_num;
RCU_INIT_POINTER(s->psample_group, psample_group);
rcu_swap_protected(s->psample_group, psample_group,
lockdep_is_held(&s->tcf_lock));
if (tb[TCA_SAMPLE_TRUNC_SIZE]) {
s->truncate = true;
s->trunc_size = nla_get_u32(tb[TCA_SAMPLE_TRUNC_SIZE]);
}
spin_unlock_bh(&s->tcf_lock);
if (psample_group)
psample_group_put(psample_group);
if (goto_ch)
tcf_chain_put_by_act(goto_ch);
@ -265,7 +269,7 @@ static __net_init int sample_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, sample_net_id);
return tc_action_net_init(tn, &act_sample_ops);
return tc_action_net_init(net, tn, &act_sample_ops);
}
static void __net_exit sample_exit_net(struct list_head *net_list)

2
net/sched/act_simple.c
View File

@ -232,7 +232,7 @@ static __net_init int simp_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, simp_net_id);
return tc_action_net_init(tn, &act_simp_ops);
return tc_action_net_init(net, tn, &act_simp_ops);
}
static void __net_exit simp_exit_net(struct list_head *net_list)

2
net/sched/act_skbedit.c
View File

@ -336,7 +336,7 @@ static __net_init int skbedit_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
return tc_action_net_init(tn, &act_skbedit_ops);
return tc_action_net_init(net, tn, &act_skbedit_ops);
}
static void __net_exit skbedit_exit_net(struct list_head *net_list)

2
net/sched/act_skbmod.c
View File

@ -287,7 +287,7 @@ static __net_init int skbmod_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, skbmod_net_id);
return tc_action_net_init(tn, &act_skbmod_ops);
return tc_action_net_init(net, tn, &act_skbmod_ops);
}
static void __net_exit skbmod_exit_net(struct list_head *net_list)

2
net/sched/act_tunnel_key.c
View File

@ -600,7 +600,7 @@ static __net_init int tunnel_key_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, tunnel_key_net_id);
return tc_action_net_init(tn, &act_tunnel_key_ops);
return tc_action_net_init(net, tn, &act_tunnel_key_ops);
}
static void __net_exit tunnel_key_exit_net(struct list_head *net_list)

2
net/sched/act_vlan.c
View File

@ -334,7 +334,7 @@ static __net_init int vlan_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, vlan_net_id);
return tc_action_net_init(tn, &act_vlan_ops);
return tc_action_net_init(net, tn, &act_vlan_ops);
}
static void __net_exit vlan_exit_net(struct list_head *net_list)

19
net/sched/sch_cbs.c
View File

@ -181,11 +181,6 @@ static struct sk_buff *cbs_dequeue_soft(struct Qdisc *sch)
s64 credits;
int len;
if (atomic64_read(&q->port_rate) == -1) {
WARN_ONCE(1, "cbs: dequeue() called with unknown port rate.");
return NULL;
}
if (q->credits < 0) {
credits = timediff_to_credits(now - q->last, q->idleslope);
@ -303,11 +298,19 @@ static int cbs_enable_offload(struct net_device *dev, struct cbs_sched_data *q,
static void cbs_set_port_rate(struct net_device *dev, struct cbs_sched_data *q)
{
struct ethtool_link_ksettings ecmd;
int speed = SPEED_10;
int port_rate = -1;
int err;
if (!__ethtool_get_link_ksettings(dev, &ecmd) &&
ecmd.base.speed != SPEED_UNKNOWN)
port_rate = ecmd.base.speed * 1000 * BYTES_PER_KBIT;
err = __ethtool_get_link_ksettings(dev, &ecmd);
if (err < 0)
goto skip;
if (ecmd.base.speed != SPEED_UNKNOWN)
speed = ecmd.base.speed;
skip:
port_rate = speed * 1000 * BYTES_PER_KBIT;
atomic64_set(&q->port_rate, port_rate);
netdev_dbg(dev, "cbs: set %s's port_rate to: %lld, linkspeed: %d\n",

19
net/sched/sch_generic.c
View File

@ -624,8 +624,12 @@ static int pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc *qdisc,
err = skb_array_produce(q, skb);
if (unlikely(err))
return qdisc_drop_cpu(skb, qdisc, to_free);
if (unlikely(err)) {
if (qdisc_is_percpu_stats(qdisc))
return qdisc_drop_cpu(skb, qdisc, to_free);
else
return qdisc_drop(skb, qdisc, to_free);
}
qdisc_update_stats_at_enqueue(qdisc, pkt_len);
return NET_XMIT_SUCCESS;
@ -688,11 +692,14 @@ static void pfifo_fast_reset(struct Qdisc *qdisc)
kfree_skb(skb);
}
for_each_possible_cpu(i) {
struct gnet_stats_queue *q = per_cpu_ptr(qdisc->cpu_qstats, i);
if (qdisc_is_percpu_stats(qdisc)) {
for_each_possible_cpu(i) {
struct gnet_stats_queue *q;
q->backlog = 0;
q->qlen = 0;
q = per_cpu_ptr(qdisc->cpu_qstats, i);
q->backlog = 0;
q->qlen = 0;
}
}
}

31
net/sched/sch_taprio.c
View File

@ -477,11 +477,6 @@ static struct sk_buff *taprio_dequeue(struct Qdisc *sch)
u32 gate_mask;
int i;
if (atomic64_read(&q->picos_per_byte) == -1) {
WARN_ONCE(1, "taprio: dequeue() called with unknown picos per byte.");
return NULL;
}
rcu_read_lock();
entry = rcu_dereference(q->current_entry);
/* if there's no entry, it means that the schedule didn't
@ -958,12 +953,20 @@ static void taprio_set_picos_per_byte(struct net_device *dev,
struct taprio_sched *q)
{
struct ethtool_link_ksettings ecmd;
int picos_per_byte = -1;
int speed = SPEED_10;
int picos_per_byte;
int err;
if (!__ethtool_get_link_ksettings(dev, &ecmd) &&
ecmd.base.speed != SPEED_UNKNOWN)
picos_per_byte = div64_s64(NSEC_PER_SEC * 1000LL * 8,
ecmd.base.speed * 1000 * 1000);
err = __ethtool_get_link_ksettings(dev, &ecmd);
if (err < 0)
goto skip;
if (ecmd.base.speed != SPEED_UNKNOWN)
speed = ecmd.base.speed;
skip:
picos_per_byte = div64_s64(NSEC_PER_SEC * 1000LL * 8,
speed * 1000 * 1000);
atomic64_set(&q->picos_per_byte, picos_per_byte);
netdev_dbg(dev, "taprio: set %s's picos_per_byte to: %lld, linkspeed: %d\n",
@ -1249,6 +1252,10 @@ static int taprio_init(struct Qdisc *sch, struct nlattr *opt,
*/
q->clockid = -1;
spin_lock(&taprio_list_lock);
list_add(&q->taprio_list, &taprio_list);
spin_unlock(&taprio_list_lock);
if (sch->parent != TC_H_ROOT)
return -EOPNOTSUPP;
@ -1266,10 +1273,6 @@ static int taprio_init(struct Qdisc *sch, struct nlattr *opt,
if (!opt)
return -EINVAL;
spin_lock(&taprio_list_lock);
list_add(&q->taprio_list, &taprio_list);
spin_unlock(&taprio_list_lock);
for (i = 0; i < dev->num_tx_queues; i++) {
struct netdev_queue *dev_queue;
struct Qdisc *qdisc;

22
tools/testing/selftests/tc-testing/plugin-lib/nsPlugin.py
View File

@ -64,7 +64,7 @@ class SubPlugin(TdcPlugin):
cmdlist.insert(0, self.args.NAMES['NS'])
cmdlist.insert(0, 'exec')
cmdlist.insert(0, 'netns')
cmdlist.insert(0, 'ip')
cmdlist.insert(0, self.args.NAMES['IP'])
else:
pass
@ -78,16 +78,16 @@ class SubPlugin(TdcPlugin):
return command
def _ports_create(self):
cmd = 'ip link add $DEV0 type veth peer name $DEV1'
cmd = '$IP link add $DEV0 type veth peer name $DEV1'
self._exec_cmd('pre', cmd)
cmd = 'ip link set $DEV0 up'
cmd = '$IP link set $DEV0 up'
self._exec_cmd('pre', cmd)
if not self.args.namespace:
cmd = 'ip link set $DEV1 up'
cmd = '$IP link set $DEV1 up'
self._exec_cmd('pre', cmd)
def _ports_destroy(self):
cmd = 'ip link del $DEV0'
cmd = '$IP link del $DEV0'
self._exec_cmd('post', cmd)
def _ns_create(self):
@ -97,16 +97,16 @@ class SubPlugin(TdcPlugin):
'''
self._ports_create()
if self.args.namespace:
cmd = 'ip netns add {}'.format(self.args.NAMES['NS'])
cmd = '$IP netns add {}'.format(self.args.NAMES['NS'])
self._exec_cmd('pre', cmd)
cmd = 'ip link set $DEV1 netns {}'.format(self.args.NAMES['NS'])
cmd = '$IP link set $DEV1 netns {}'.format(self.args.NAMES['NS'])
self._exec_cmd('pre', cmd)
cmd = 'ip -n {} link set $DEV1 up'.format(self.args.NAMES['NS'])
cmd = '$IP -n {} link set $DEV1 up'.format(self.args.NAMES['NS'])
self._exec_cmd('pre', cmd)
if self.args.device:
cmd = 'ip link set $DEV2 netns {}'.format(self.args.NAMES['NS'])
cmd = '$IP link set $DEV2 netns {}'.format(self.args.NAMES['NS'])
self._exec_cmd('pre', cmd)
cmd = 'ip -n {} link set $DEV2 up'.format(self.args.NAMES['NS'])
cmd = '$IP -n {} link set $DEV2 up'.format(self.args.NAMES['NS'])
self._exec_cmd('pre', cmd)
def _ns_destroy(self):
@ -115,7 +115,7 @@ class SubPlugin(TdcPlugin):
devices as well)
'''
if self.args.namespace:
cmd = 'ip netns delete {}'.format(self.args.NAMES['NS'])
cmd = '$IP netns delete {}'.format(self.args.NAMES['NS'])
self._exec_cmd('post', cmd)
def _exec_cmd(self, stage, command):