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Including fixes from bpf and netfilter.

Browse Source 
Previous releases - regressions:
 
  - Revert "net: rtnetlink: Enslave device before bringing it up",
    breaks the case inverse to the one it was trying to fix
 
  - net: dsa: fix oob access in DSA's netdevice event handler
    dereference netdev_priv() before check its a DSA port
 
  - sched: track device in tcf_block_get/put_ext() only for clsact
    binder types
 
  - net: tls, fix WARNING in __sk_msg_free when record becomes full
    during splice and MORE hint set
 
  - sfp-bus: fix SFP mode detect from bitrate
 
  - drv: stmmac: prevent DSA tags from breaking COE
 
 Previous releases - always broken:
 
  - bpf: fix no forward progress in in bpf_iter_udp if output
    buffer is too small
 
  - bpf: reject variable offset alu on registers with a type
    of PTR_TO_FLOW_KEYS to prevent oob access
 
  - netfilter: tighten input validation
 
  - net: add more sanity check in virtio_net_hdr_to_skb()
 
  - rxrpc: fix use of Don't Fragment flag on RESPONSE packets,
    avoid infinite loop
 
  - amt: do not use the portion of skb->cb area which may get clobbered
 
  - mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option
 
 Misc:
 
  - spring cleanup of inactive maintainers
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf and netfilter.

  Previous releases - regressions:

   - Revert "net: rtnetlink: Enslave device before bringing it up",
     breaks the case inverse to the one it was trying to fix

   - net: dsa: fix oob access in DSA's netdevice event handler
     dereference netdev_priv() before check its a DSA port

   - sched: track device in tcf_block_get/put_ext() only for clsact
     binder types

   - net: tls, fix WARNING in __sk_msg_free when record becomes full
     during splice and MORE hint set

   - sfp-bus: fix SFP mode detect from bitrate

   - drv: stmmac: prevent DSA tags from breaking COE

  Previous releases - always broken:

   - bpf: fix no forward progress in in bpf_iter_udp if output buffer is
     too small

   - bpf: reject variable offset alu on registers with a type of
     PTR_TO_FLOW_KEYS to prevent oob access

   - netfilter: tighten input validation

   - net: add more sanity check in virtio_net_hdr_to_skb()

   - rxrpc: fix use of Don't Fragment flag on RESPONSE packets, avoid
     infinite loop

   - amt: do not use the portion of skb->cb area which may get clobbered

   - mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option

  Misc:

   - spring cleanup of inactive maintainers"

* tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
  i40e: Include types.h to some headers
  ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work
  selftests: mlxsw: qos_pfc: Adjust the test to support 8 lanes
  selftests: mlxsw: qos_pfc: Remove wrong description
  mlxsw: spectrum_router: Register netdevice notifier before nexthop
  mlxsw: spectrum_acl_tcam: Fix stack corruption
  mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path
  mlxsw: spectrum_acl_erp: Fix error flow of pool allocation failure
  ethtool: netlink: Add missing ethnl_ops_begin/complete
  selftests: bonding: Add more missing config options
  selftests: netdevsim: add a config file
  libbpf: warn on unexpected __arg_ctx type when rewriting BTF
  selftests/bpf: add tests confirming type logic in kernel for __arg_ctx
  bpf: enforce types for __arg_ctx-tagged arguments in global subprogs
  bpf: extract bpf_ctx_convert_map logic and make it more reusable
  libbpf: feature-detect arg:ctx tag support in kernel
  ipvs: avoid stat macros calls from preemptible context
  netfilter: nf_tables: reject NFT_SET_CONCAT with not field length description
  netfilter: nf_tables: skip dead set elements in netlink dump
  netfilter: nf_tables: do not allow mismatch field size and set key length
  ...
This commit is contained in:
Linus Torvalds 2024-01-18 17:33:50 -08:00
commit 736b5545d3
90 changed files with 1366 additions and 235 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
CREDITS
View File

@ -179,6 +179,7 @@ E: ralf@gnu.org
P: 1024/AF7B30C1 CF 97 C2 CC 6D AE A7 FE C8 BA 9C FC 88 DE 32 C3
D: Linux/MIPS port
D: Linux/68k hacker
D: AX25 maintainer
S: Hauptstrasse 19
S: 79837 St. Blasien
S: Germany
@ -677,6 +678,10 @@ D: Media subsystem (V4L/DVB) drivers and core
D: EDAC drivers and EDAC 3.0 core rework
S: Brazil
N: Landen Chao
E: Landen.Chao@mediatek.com
D: MT7531 Ethernet switch support
N: Raymond Chen
E: raymondc@microsoft.com
D: Author of Configure script
@ -814,6 +819,10 @@ D: Support for Xircom PGSDB9 (firmware and host driver)
S: Bucharest
S: Romania
N: John Crispin
E: john@phrozen.org
D: MediaTek MT7623 Gigabit ethernet support
N: Laurence Culhane
E: loz@holmes.demon.co.uk
D: Wrote the initial alpha SLIP code
@ -1538,6 +1547,10 @@ N: Andrew Haylett
E: ajh@primag.co.uk
D: Selection mechanism
N: Johan Hedberg
E: johan.hedberg@gmail.com
D: Bluetooth subsystem maintainer
N: Andre Hedrick
E: andre@linux-ide.org
E: andre@linuxdiskcert.org
@ -3052,6 +3065,10 @@ S: Demonstratsii 8-382
S: Tula 300000
S: Russia
N: Thomas Petazzoni
E: thomas.petazzoni@bootlin.com
D: Driver for the Marvell Armada 370/XP network unit.
N: Gordon Peters
E: GordPeters@smarttech.com
D: Isochronous receive for IEEE 1394 driver (OHCI module).

16
MAINTAINERS
View File

@ -3390,9 +3390,8 @@ F: Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml
F: drivers/iio/adc/hx711.c
AX.25 NETWORK LAYER
M: Ralf Baechle <ralf@linux-mips.org>
L: linux-hams@vger.kernel.org
S: Maintained
S: Orphan
W: https://linux-ax25.in-berlin.de
F: include/net/ax25.h
F: include/uapi/linux/ax25.h
@ -3631,7 +3630,6 @@ F: drivers/mtd/devices/block2mtd.c
BLUETOOTH DRIVERS
M: Marcel Holtmann <marcel@holtmann.org>
M: Johan Hedberg <johan.hedberg@gmail.com>
M: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
L: linux-bluetooth@vger.kernel.org
S: Supported
@ -4726,11 +4724,8 @@ F: drivers/i2c/busses/i2c-octeon*
F: drivers/i2c/busses/i2c-thunderx*
CAVIUM LIQUIDIO NETWORK DRIVER
M: Derek Chickles <dchickles@marvell.com>
M: Satanand Burla <sburla@marvell.com>
M: Felix Manlunas <fmanlunas@marvell.com>
L: netdev@vger.kernel.org
S: Supported
S: Orphan
W: http://www.marvell.com
F: drivers/net/ethernet/cavium/liquidio/
@ -10239,7 +10234,6 @@ IBM Power SRIOV Virtual NIC Device Driver
M: Haren Myneni <haren@linux.ibm.com>
M: Rick Lindsley <ricklind@linux.ibm.com>
R: Nick Child <nnac123@linux.ibm.com>
R: Dany Madden <danymadden@us.ibm.com>
R: Thomas Falcon <tlfalcon@linux.ibm.com>
L: netdev@vger.kernel.org
S: Supported
@ -13003,10 +12997,10 @@ S: Maintained
F: drivers/thermal/armada_thermal.c
MARVELL MVNETA ETHERNET DRIVER
M: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
M: Marcin Wojtas <marcin.s.wojtas@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/marvell/mvneta.*
F: drivers/net/ethernet/marvell/mvneta*
MARVELL MVPP2 ETHERNET DRIVER
M: Marcin Wojtas <marcin.s.wojtas@gmail.com>
@ -13656,7 +13650,6 @@ F: drivers/dma/mediatek/
MEDIATEK ETHERNET DRIVER
M: Felix Fietkau <nbd@nbd.name>
M: John Crispin <john@phrozen.org>
M: Sean Wang <sean.wang@mediatek.com>
M: Mark Lee <Mark-MC.Lee@mediatek.com>
M: Lorenzo Bianconi <lorenzo@kernel.org>
@ -13812,7 +13805,6 @@ F: include/soc/mediatek/smi.h
MEDIATEK SWITCH DRIVER
M: Arınç ÜNAL <arinc.unal@arinc9.com>
M: Daniel Golle <daniel@makrotopia.org>
M: Landen Chao <Landen.Chao@mediatek.com>
M: DENG Qingfang <dqfext@gmail.com>
M: Sean Wang <sean.wang@mediatek.com>
L: netdev@vger.kernel.org

6
drivers/net/amt.c
View File

@ -11,7 +11,7 @@
#include <linux/net.h>
#include <linux/igmp.h>
#include <linux/workqueue.h>
#include <net/sch_generic.h>
#include <net/pkt_sched.h>
#include <net/net_namespace.h>
#include <net/ip.h>
#include <net/udp.h>
@ -80,11 +80,11 @@ static struct mld2_grec mldv2_zero_grec;
static struct amt_skb_cb *amt_skb_cb(struct sk_buff *skb)
{
BUILD_BUG_ON(sizeof(struct amt_skb_cb) + sizeof(struct qdisc_skb_cb) >
BUILD_BUG_ON(sizeof(struct amt_skb_cb) + sizeof(struct tc_skb_cb) >
sizeof_field(struct sk_buff, cb));
return (struct amt_skb_cb *)((void *)skb->cb +
sizeof(struct qdisc_skb_cb));
sizeof(struct tc_skb_cb));
}
static void __amt_source_gc_work(void)

2
drivers/net/dsa/vitesse-vsc73xx-core.c
View File

@ -1135,6 +1135,8 @@ static int vsc73xx_gpio_probe(struct vsc73xx *vsc)
vsc->gc.label = devm_kasprintf(vsc->dev, GFP_KERNEL, "VSC%04x",
vsc->chipid);
if (!vsc->gc.label)
return -ENOMEM;
vsc->gc.ngpio = 4;
vsc->gc.owner = THIS_MODULE;
vsc->gc.parent = vsc->dev;

2
drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
View File

@ -1490,7 +1490,7 @@ int cn23xx_get_vf_stats(struct octeon_device *oct, int vfidx,
mbox_cmd.q_no = vfidx * oct->sriov_info.rings_per_vf;
mbox_cmd.recv_len = 0;
mbox_cmd.recv_status = 0;
mbox_cmd.fn = (octeon_mbox_callback_t)cn23xx_get_vf_stats_callback;
mbox_cmd.fn = cn23xx_get_vf_stats_callback;
ctx.stats = stats;
atomic_set(&ctx.status, 0);
mbox_cmd.fn_arg = (void *)&ctx;

2
drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c
View File

@ -429,7 +429,7 @@ int cn23xx_octeon_pfvf_handshake(struct octeon_device *oct)
mbox_cmd.q_no = 0;
mbox_cmd.recv_len = 0;
mbox_cmd.recv_status = 0;
mbox_cmd.fn = (octeon_mbox_callback_t)octeon_pfvf_hs_callback;
mbox_cmd.fn = octeon_pfvf_hs_callback;
mbox_cmd.fn_arg = &status;
octeon_mbox_write(oct, &mbox_cmd);

5
drivers/net/ethernet/cavium/liquidio/octeon_mailbox.h
View File

@ -57,7 +57,10 @@ union octeon_mbox_message {
} s;
};
typedef void (*octeon_mbox_callback_t)(void *, void *, void *);
struct octeon_mbox_cmd;
typedef void (*octeon_mbox_callback_t)(struct octeon_device *,
struct octeon_mbox_cmd *, void *);
struct octeon_mbox_cmd {
union octeon_mbox_message msg;

1
drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h
View File

@ -5,6 +5,7 @@
#define _I40E_ADMINQ_CMD_H_
#include <linux/bits.h>
#include <linux/types.h>
/* This header file defines the i40e Admin Queue commands and is shared between
* i40e Firmware and Software.

1
drivers/net/ethernet/intel/i40e/i40e_diag.h
View File

@ -4,6 +4,7 @@
#ifndef _I40E_DIAG_H_
#define _I40E_DIAG_H_
#include <linux/types.h>
#include "i40e_adminq_cmd.h"
/* forward-declare the HW struct for the compiler */

5
drivers/net/ethernet/marvell/octeontx2/af/rpm.c
View File

@ -506,6 +506,7 @@ u32 rpm2_get_lmac_fifo_len(void *rpmd, int lmac_id)
rpm_t *rpm = rpmd;
u8 num_lmacs;
u32 fifo_len;
u16 max_lmac;
lmac_info = rpm_read(rpm, 0, RPM2_CMRX_RX_LMACS);
/* LMACs are divided into two groups and each group
@ -513,7 +514,11 @@ u32 rpm2_get_lmac_fifo_len(void *rpmd, int lmac_id)
* Group0 lmac_id range {0..3}
* Group1 lmac_id range {4..7}
*/
max_lmac = (rpm_read(rpm, 0, CGX_CONST) >> 24) & 0xFF;
if (max_lmac > 4)
fifo_len = rpm->mac_ops->fifo_len / 2;
else
fifo_len = rpm->mac_ops->fifo_len;
if (lmac_id < 4) {
num_lmacs = hweight8(lmac_info & 0xF);

8
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_erp.c
View File

@ -301,6 +301,7 @@ mlxsw_sp_acl_erp_table_alloc(struct mlxsw_sp_acl_erp_core *erp_core,
unsigned long *p_index)
{
unsigned int num_rows, entry_size;
unsigned long index;
/* We only allow allocations of entire rows */
if (num_erps % erp_core->num_erp_banks != 0)
@ -309,10 +310,11 @@ mlxsw_sp_acl_erp_table_alloc(struct mlxsw_sp_acl_erp_core *erp_core,
entry_size = erp_core->erpt_entries_size[region_type];
num_rows = num_erps / erp_core->num_erp_banks;
*p_index = gen_pool_alloc(erp_core->erp_tables, num_rows * entry_size);
if (*p_index == 0)
index = gen_pool_alloc(erp_core->erp_tables, num_rows * entry_size);
if (!index)
return -ENOBUFS;
*p_index -= MLXSW_SP_ACL_ERP_GENALLOC_OFFSET;
*p_index = index - MLXSW_SP_ACL_ERP_GENALLOC_OFFSET;
return 0;
}

6
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
View File

@ -681,13 +681,13 @@ static void
mlxsw_sp_acl_tcam_region_destroy(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_region *region)
{
struct mlxsw_sp_acl_tcam *tcam = mlxsw_sp_acl_to_tcam(mlxsw_sp->acl);
const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops;
ops->region_fini(mlxsw_sp, region->priv);
mlxsw_sp_acl_tcam_region_disable(mlxsw_sp, region);
mlxsw_sp_acl_tcam_region_free(mlxsw_sp, region);
mlxsw_sp_acl_tcam_region_id_put(region->group->tcam,
region->id);
mlxsw_sp_acl_tcam_region_id_put(tcam, region->id);
kfree(region);
}
@ -1564,6 +1564,8 @@ int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp,
tcam->max_groups = max_groups;
tcam->max_group_size = MLXSW_CORE_RES_GET(mlxsw_sp->core,
ACL_MAX_GROUP_SIZE);
tcam->max_group_size = min_t(unsigned int, tcam->max_group_size,
MLXSW_REG_PAGT_ACL_MAX_NUM);
err = ops->init(mlxsw_sp, tcam->priv, tcam);
if (err)

24
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
View File

@ -11472,6 +11472,13 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp,
if (err)
goto err_register_netevent_notifier;
mlxsw_sp->router->netdevice_nb.notifier_call =
mlxsw_sp_router_netdevice_event;
err = register_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->router->netdevice_nb);
if (err)
goto err_register_netdev_notifier;
mlxsw_sp->router->nexthop_nb.notifier_call =
mlxsw_sp_nexthop_obj_event;
err = register_nexthop_notifier(mlxsw_sp_net(mlxsw_sp),
@ -11487,22 +11494,15 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp,
if (err)
goto err_register_fib_notifier;
mlxsw_sp->router->netdevice_nb.notifier_call =
mlxsw_sp_router_netdevice_event;
err = register_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->router->netdevice_nb);
if (err)
goto err_register_netdev_notifier;
return 0;
err_register_netdev_notifier:
unregister_fib_notifier(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->router->fib_nb);
err_register_fib_notifier:
unregister_nexthop_notifier(mlxsw_sp_net(mlxsw_sp),
&mlxsw_sp->router->nexthop_nb);
err_register_nexthop_notifier:
unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
&router->netdevice_nb);
err_register_netdev_notifier:
unregister_netevent_notifier(&mlxsw_sp->router->netevent_nb);
err_register_netevent_notifier:
unregister_inet6addr_validator_notifier(&router->inet6addr_valid_nb);
@ -11550,11 +11550,11 @@ void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_router *router = mlxsw_sp->router;
unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
&router->netdevice_nb);
unregister_fib_notifier(mlxsw_sp_net(mlxsw_sp), &router->fib_nb);
unregister_nexthop_notifier(mlxsw_sp_net(mlxsw_sp),
&router->nexthop_nb);
unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
&router->netdevice_nb);
unregister_netevent_notifier(&router->netevent_nb);
unregister_inet6addr_validator_notifier(&router->inet6addr_valid_nb);
unregister_inetaddr_validator_notifier(&router->inetaddr_valid_nb);

1
drivers/net/ethernet/neterion/s2io.c
View File

@ -414,6 +414,7 @@ static const u64 fix_mac[] = {
END_SIGN
};
MODULE_DESCRIPTION("Neterion 10GbE driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);

2
drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
View File

@ -396,7 +396,7 @@ static int rmnet_fill_info(struct sk_buff *skb, const struct net_device *dev)
struct rtnl_link_ops rmnet_link_ops __read_mostly = {
.kind = "rmnet",
.maxtype = __IFLA_RMNET_MAX,
.maxtype = IFLA_RMNET_MAX,
.priv_size = sizeof(struct rmnet_priv),
.setup = rmnet_vnd_setup,
.validate = rmnet_rtnl_validate,

2
drivers/net/ethernet/renesas/ravb_main.c
View File

@ -1949,7 +1949,7 @@ static netdev_tx_t ravb_start_xmit(struct sk_buff *skb, struct net_device *ndev)
struct ravb_tstamp_skb *ts_skb;
struct ravb_tx_desc *desc;
unsigned long flags;
u32 dma_addr;
dma_addr_t dma_addr;
void *buffer;
u32 entry;
u32 len;

1
drivers/net/ethernet/stmicro/stmmac/stmmac.h
View File

@ -267,6 +267,7 @@ struct stmmac_priv {
u32 msg_enable;
int wolopts;
int wol_irq;
bool wol_irq_disabled;
int clk_csr;
struct timer_list eee_ctrl_timer;
int lpi_irq;

16
drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
View File

@ -321,8 +321,9 @@ static int stmmac_ethtool_get_link_ksettings(struct net_device *dev,
{
struct stmmac_priv *priv = netdev_priv(dev);
if (priv->hw->pcs & STMMAC_PCS_RGMII ||
priv->hw->pcs & STMMAC_PCS_SGMII) {
if (!(priv->plat->flags & STMMAC_FLAG_HAS_INTEGRATED_PCS) &&
(priv->hw->pcs & STMMAC_PCS_RGMII ||
priv->hw->pcs & STMMAC_PCS_SGMII)) {
struct rgmii_adv adv;
u32 supported, advertising, lp_advertising;
@ -407,8 +408,9 @@ stmmac_ethtool_set_link_ksettings(struct net_device *dev,
{
struct stmmac_priv *priv = netdev_priv(dev);
if (priv->hw->pcs & STMMAC_PCS_RGMII ||
priv->hw->pcs & STMMAC_PCS_SGMII) {
if (!(priv->plat->flags & STMMAC_FLAG_HAS_INTEGRATED_PCS) &&
(priv->hw->pcs & STMMAC_PCS_RGMII ||
priv->hw->pcs & STMMAC_PCS_SGMII)) {
/* Only support ANE */
if (cmd->base.autoneg != AUTONEG_ENABLE)
return -EINVAL;
@ -830,10 +832,16 @@ static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
if (wol->wolopts) {
pr_info("stmmac: wakeup enable\n");
device_set_wakeup_enable(priv->device, 1);
/* Avoid unbalanced enable_irq_wake calls */
if (priv->wol_irq_disabled)
enable_irq_wake(priv->wol_irq);
priv->wol_irq_disabled = false;
} else {
device_set_wakeup_enable(priv->device, 0);
/* Avoid unbalanced disable_irq_wake calls */
if (!priv->wol_irq_disabled)
disable_irq_wake(priv->wol_irq);
priv->wol_irq_disabled = true;
}
mutex_lock(&priv->lock);

33
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -3628,6 +3628,7 @@ static int stmmac_request_irq_multi_msi(struct net_device *dev)
/* Request the Wake IRQ in case of another line
* is used for WoL
*/
priv->wol_irq_disabled = true;
if (priv->wol_irq > 0 && priv->wol_irq != dev->irq) {
int_name = priv->int_name_wol;
sprintf(int_name, "%s:%s", dev->name, "wol");
@ -4434,6 +4435,28 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_OK;
}
/**
* stmmac_has_ip_ethertype() - Check if packet has IP ethertype
* @skb: socket buffer to check
*
* Check if a packet has an ethertype that will trigger the IP header checks
* and IP/TCP checksum engine of the stmmac core.
*
* Return: true if the ethertype can trigger the checksum engine, false
* otherwise
*/
static bool stmmac_has_ip_ethertype(struct sk_buff *skb)
{
int depth = 0;
__be16 proto;
proto = __vlan_get_protocol(skb, eth_header_parse_protocol(skb),
&depth);
return (depth <= ETH_HLEN) &&
(proto == htons(ETH_P_IP) || proto == htons(ETH_P_IPV6));
}
/**
* stmmac_xmit - Tx entry point of the driver
* @skb : the socket buffer
@ -4498,9 +4521,13 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
/* DWMAC IPs can be synthesized to support tx coe only for a few tx
* queues. In that case, checksum offloading for those queues that don't
* support tx coe needs to fallback to software checksum calculation.
*
* Packets that won't trigger the COE e.g. most DSA-tagged packets will
* also have to be checksummed in software.
*/
if (csum_insertion &&
priv->plat->tx_queues_cfg[queue].coe_unsupported) {
(priv->plat->tx_queues_cfg[queue].coe_unsupported ||
!stmmac_has_ip_ethertype(skb))) {
if (unlikely(skb_checksum_help(skb)))
goto dma_map_err;
csum_insertion = !csum_insertion;
@ -5065,7 +5092,7 @@ static void stmmac_dispatch_skb_zc(struct stmmac_priv *priv, u32 queue,
stmmac_rx_vlan(priv->dev, skb);
skb->protocol = eth_type_trans(skb, priv->dev);
if (unlikely(!coe))
if (unlikely(!coe) || !stmmac_has_ip_ethertype(skb))
skb_checksum_none_assert(skb);
else
skb->ip_summed = CHECKSUM_UNNECESSARY;
@ -5588,7 +5615,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
skb->protocol = eth_type_trans(skb, priv->dev);
if (unlikely(!coe))
if (unlikely(!coe) || !stmmac_has_ip_ethertype(skb))
skb_checksum_none_assert(skb);
else
skb->ip_summed = CHECKSUM_UNNECESSARY;

5
drivers/net/ethernet/ti/am65-cpsw-nuss.c
View File

@ -56,7 +56,7 @@
#define AM65_CPSW_MAX_PORTS 8
#define AM65_CPSW_MIN_PACKET_SIZE VLAN_ETH_ZLEN
#define AM65_CPSW_MAX_PACKET_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
#define AM65_CPSW_MAX_PACKET_SIZE 2024
#define AM65_CPSW_REG_CTL 0x004
#define AM65_CPSW_REG_STAT_PORT_EN 0x014
@ -2244,7 +2244,8 @@ am65_cpsw_nuss_init_port_ndev(struct am65_cpsw_common *common, u32 port_idx)
eth_hw_addr_set(port->ndev, port->slave.mac_addr);
port->ndev->min_mtu = AM65_CPSW_MIN_PACKET_SIZE;
port->ndev->max_mtu = AM65_CPSW_MAX_PACKET_SIZE;
port->ndev->max_mtu = AM65_CPSW_MAX_PACKET_SIZE -
(VLAN_ETH_HLEN + ETH_FCS_LEN);
port->ndev->hw_features = NETIF_F_SG |
NETIF_F_RXCSUM |
NETIF_F_HW_CSUM |

2
drivers/net/ethernet/wangxun/Kconfig
View File

@ -26,7 +26,7 @@ config NGBE
tristate "Wangxun(R) GbE PCI Express adapters support"
depends on PCI
select LIBWX
select PHYLIB
select PHYLINK
help
This driver supports Wangxun(R) GbE PCI Express family of
adapters.

1
drivers/net/ethernet/wangxun/libwx/wx_lib.c
View File

@ -2769,4 +2769,5 @@ void wx_set_ring(struct wx *wx, u32 new_tx_count,
}
EXPORT_SYMBOL(wx_set_ring);
MODULE_DESCRIPTION("Common library for Wangxun(R) Ethernet drivers.");
MODULE_LICENSE("GPL");

9
drivers/net/netdevsim/netdev.c
View File

@ -369,6 +369,12 @@ static int nsim_init_netdevsim_vf(struct netdevsim *ns)
return err;
}
static void nsim_exit_netdevsim(struct netdevsim *ns)
{
nsim_udp_tunnels_info_destroy(ns->netdev);
mock_phc_destroy(ns->phc);
}
struct netdevsim *
nsim_create(struct nsim_dev *nsim_dev, struct nsim_dev_port *nsim_dev_port)
{
@ -417,8 +423,7 @@ void nsim_destroy(struct netdevsim *ns)
}
rtnl_unlock();
if (nsim_dev_port_is_pf(ns->nsim_dev_port))
nsim_udp_tunnels_info_destroy(dev);
mock_phc_destroy(ns->phc);
nsim_exit_netdevsim(ns);
free_netdev(dev);
}

9
drivers/net/phy/micrel.c
View File

@ -3338,8 +3338,10 @@ static int lan8814_probe(struct phy_device *phydev)
#define LAN8841_ADC_CHANNEL_MASK 198
#define LAN8841_PTP_RX_PARSE_L2_ADDR_EN 370
#define LAN8841_PTP_RX_PARSE_IP_ADDR_EN 371
#define LAN8841_PTP_RX_VERSION 374
#define LAN8841_PTP_TX_PARSE_L2_ADDR_EN 434
#define LAN8841_PTP_TX_PARSE_IP_ADDR_EN 435
#define LAN8841_PTP_TX_VERSION 438
#define LAN8841_PTP_CMD_CTL 256
#define LAN8841_PTP_CMD_CTL_PTP_ENABLE BIT(2)
#define LAN8841_PTP_CMD_CTL_PTP_DISABLE BIT(1)
@ -3383,6 +3385,12 @@ static int lan8841_config_init(struct phy_device *phydev)
phy_write_mmd(phydev, KSZ9131RN_MMD_COMMON_CTRL_REG,
LAN8841_PTP_RX_PARSE_IP_ADDR_EN, 0);
/* Disable checking for minorVersionPTP field */
phy_write_mmd(phydev, KSZ9131RN_MMD_COMMON_CTRL_REG,
LAN8841_PTP_RX_VERSION, 0xff00);
phy_write_mmd(phydev, KSZ9131RN_MMD_COMMON_CTRL_REG,
LAN8841_PTP_TX_VERSION, 0xff00);
/* 100BT Clause 40 improvenent errata */
phy_write_mmd(phydev, LAN8841_MMD_ANALOG_REG,
LAN8841_ANALOG_CONTROL_1,
@ -4839,6 +4847,7 @@ static struct phy_driver ksphy_driver[] = {
.flags = PHY_POLL_CABLE_TEST,
.driver_data = &ksz9131_type,
.probe = kszphy_probe,
.soft_reset = genphy_soft_reset,
.config_init = ksz9131_config_init,
.config_intr = kszphy_config_intr,
.config_aneg = ksz9131_config_aneg,

8
drivers/net/phy/sfp-bus.c
View File

@ -151,10 +151,6 @@ void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
unsigned int br_min, br_nom, br_max;
__ETHTOOL_DECLARE_LINK_MODE_MASK(modes) = { 0, };
phylink_set(modes, Autoneg);
phylink_set(modes, Pause);
phylink_set(modes, Asym_Pause);
/* Decode the bitrate information to MBd */
br_min = br_nom = br_max = 0;
if (id->base.br_nominal) {
@ -339,6 +335,10 @@ void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
}
}
phylink_set(modes, Autoneg);
phylink_set(modes, Pause);
phylink_set(modes, Asym_Pause);
if (bus->sfp_quirk && bus->sfp_quirk->modes)
bus->sfp_quirk->modes(id, modes, interfaces);

1
drivers/net/slip/slhc.c
View File

@ -752,4 +752,5 @@ EXPORT_SYMBOL(slhc_compress);
EXPORT_SYMBOL(slhc_uncompress);
EXPORT_SYMBOL(slhc_toss);
MODULE_DESCRIPTION("Compression helpers for SLIP (serial line)");
MODULE_LICENSE("Dual BSD/GPL");

1
drivers/net/slip/slip.c
View File

@ -1437,5 +1437,6 @@ static void sl_keepalive(struct timer_list *t)
}
#endif
MODULE_DESCRIPTION("SLIP (serial line) protocol module");
MODULE_LICENSE("GPL");
MODULE_ALIAS_LDISC(N_SLIP);

9
drivers/net/virtio_net.c
View File

@ -4295,10 +4295,11 @@ static int virtnet_find_vqs(struct virtnet_info *vi)
{
vq_callback_t **callbacks;
struct virtqueue **vqs;
int ret = -ENOMEM;
int i, total_vqs;
const char **names;
int ret = -ENOMEM;
int total_vqs;
bool *ctx;
u16 i;
/* We expect 1 RX virtqueue followed by 1 TX virtqueue, followed by
* possible N-1 RX/TX queue pairs used in multiqueue mode, followed by
@ -4335,8 +4336,8 @@ static int virtnet_find_vqs(struct virtnet_info *vi)
for (i = 0; i < vi->max_queue_pairs; i++) {
callbacks[rxq2vq(i)] = skb_recv_done;
callbacks[txq2vq(i)] = skb_xmit_done;
sprintf(vi->rq[i].name, "input.%d", i);
sprintf(vi->sq[i].name, "output.%d", i);
sprintf(vi->rq[i].name, "input.%u", i);
sprintf(vi->sq[i].name, "output.%u", i);
names[rxq2vq(i)] = vi->rq[i].name;
names[txq2vq(i)] = vi->sq[i].name;
if (ctx)

1
drivers/net/wan/slic_ds26522.c
View File

@ -28,6 +28,7 @@
static struct spi_device *g_spi;
MODULE_DESCRIPTION("Slic Maxim DS26522 driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Zhao Qiang<B45475@freescale.com>");

2
include/linux/btf.h
View File

@ -512,7 +512,7 @@ s32 btf_find_dtor_kfunc(struct btf *btf, u32 btf_id);
int register_btf_id_dtor_kfuncs(const struct btf_id_dtor_kfunc *dtors, u32 add_cnt,
struct module *owner);
struct btf_struct_meta *btf_find_struct_meta(const struct btf *btf, u32 btf_id);
const struct btf_member *
const struct btf_type *
btf_get_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf,
const struct btf_type *t, enum bpf_prog_type prog_type,
int arg);

6
include/linux/netfilter_bridge.h
View File

@ -42,7 +42,7 @@ static inline int nf_bridge_get_physinif(const struct sk_buff *skb)
if (!nf_bridge)
return 0;
return nf_bridge->physindev ? nf_bridge->physindev->ifindex : 0;
return nf_bridge->physinif;
}
static inline int nf_bridge_get_physoutif(const struct sk_buff *skb)
@ -56,11 +56,11 @@ static inline int nf_bridge_get_physoutif(const struct sk_buff *skb)
}
static inline struct net_device *
nf_bridge_get_physindev(const struct sk_buff *skb)
nf_bridge_get_physindev(const struct sk_buff *skb, struct net *net)
{
const struct nf_bridge_info *nf_bridge = nf_bridge_info_get(skb);
return nf_bridge ? nf_bridge->physindev : NULL;
return nf_bridge ? dev_get_by_index_rcu(net, nf_bridge->physinif) : NULL;
}
static inline struct net_device *

2
include/linux/skbuff.h
View File

@ -295,7 +295,7 @@ struct nf_bridge_info {
u8 bridged_dnat:1;
u8 sabotage_in_done:1;
__u16 frag_max_size;
struct net_device *physindev;
int physinif;
/* always valid & non-NULL from FORWARD on, for physdev match */
struct net_device *physoutdev;

9
include/linux/virtio_net.h
View File

@ -3,6 +3,8 @@
#define _LINUX_VIRTIO_NET_H
#include <linux/if_vlan.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/udp.h>
#include <uapi/linux/tcp.h>
#include <uapi/linux/virtio_net.h>
@ -49,6 +51,7 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
const struct virtio_net_hdr *hdr,
bool little_endian)
{
unsigned int nh_min_len = sizeof(struct iphdr);
unsigned int gso_type = 0;
unsigned int thlen = 0;
unsigned int p_off = 0;
@ -65,6 +68,7 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
gso_type = SKB_GSO_TCPV6;
ip_proto = IPPROTO_TCP;
thlen = sizeof(struct tcphdr);
nh_min_len = sizeof(struct ipv6hdr);
break;
case VIRTIO_NET_HDR_GSO_UDP:
gso_type = SKB_GSO_UDP;
@ -100,7 +104,8 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
if (!skb_partial_csum_set(skb, start, off))
return -EINVAL;
p_off = skb_transport_offset(skb) + thlen;
nh_min_len = max_t(u32, nh_min_len, skb_transport_offset(skb));
p_off = nh_min_len + thlen;
if (!pskb_may_pull(skb, p_off))
return -EINVAL;
} else {
@ -140,7 +145,7 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
skb_set_transport_header(skb, keys.control.thoff);
} else if (gso_type) {
p_off = thlen;
p_off = nh_min_len + thlen;
if (!pskb_may_pull(skb, p_off))
return -EINVAL;
}

2
include/net/netdev_queues.h
View File

@ -128,7 +128,7 @@ netdev_txq_completed_mb(struct netdev_queue *dev_queue,
netdev_txq_completed_mb(txq, pkts, bytes); \
\
_res = -1; \
if (pkts && likely(get_desc > start_thrs)) { \
if (pkts && likely(get_desc >= start_thrs)) { \
_res = 1; \
if (unlikely(netif_tx_queue_stopped(txq)) && \
!(down_cond)) { \

231
kernel/bpf/btf.c
View File

@ -5615,21 +5615,46 @@ static u8 bpf_ctx_convert_map[] = {
#undef BPF_MAP_TYPE
#undef BPF_LINK_TYPE
const struct btf_member *
static const struct btf_type *find_canonical_prog_ctx_type(enum bpf_prog_type prog_type)
{
const struct btf_type *conv_struct;
const struct btf_member *ctx_type;
conv_struct = bpf_ctx_convert.t;
if (!conv_struct)
return NULL;
/* prog_type is valid bpf program type. No need for bounds check. */
ctx_type = btf_type_member(conv_struct) + bpf_ctx_convert_map[prog_type] * 2;
/* ctx_type is a pointer to prog_ctx_type in vmlinux.
* Like 'struct __sk_buff'
*/
return btf_type_by_id(btf_vmlinux, ctx_type->type);
}
static int find_kern_ctx_type_id(enum bpf_prog_type prog_type)
{
const struct btf_type *conv_struct;
const struct btf_member *ctx_type;
conv_struct = bpf_ctx_convert.t;
if (!conv_struct)
return -EFAULT;
/* prog_type is valid bpf program type. No need for bounds check. */
ctx_type = btf_type_member(conv_struct) + bpf_ctx_convert_map[prog_type] * 2 + 1;
/* ctx_type is a pointer to prog_ctx_type in vmlinux.
* Like 'struct sk_buff'
*/
return ctx_type->type;
}
const struct btf_type *
btf_get_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf,
const struct btf_type *t, enum bpf_prog_type prog_type,
int arg)
{
const struct btf_type *conv_struct;
const struct btf_type *ctx_struct;
const struct btf_member *ctx_type;
const struct btf_type *ctx_type;
const char *tname, *ctx_tname;
conv_struct = bpf_ctx_convert.t;
if (!conv_struct) {
bpf_log(log, "btf_vmlinux is malformed\n");
return NULL;
}
t = btf_type_by_id(btf, t->type);
while (btf_type_is_modifier(t))
t = btf_type_by_id(btf, t->type);
@ -5646,17 +5671,15 @@ btf_get_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf,
bpf_log(log, "arg#%d struct doesn't have a name\n", arg);
return NULL;
}
/* prog_type is valid bpf program type. No need for bounds check. */
ctx_type = btf_type_member(conv_struct) + bpf_ctx_convert_map[prog_type] * 2;
/* ctx_struct is a pointer to prog_ctx_type in vmlinux.
* Like 'struct __sk_buff'
*/
ctx_struct = btf_type_by_id(btf_vmlinux, ctx_type->type);
if (!ctx_struct)
ctx_type = find_canonical_prog_ctx_type(prog_type);
if (!ctx_type) {
bpf_log(log, "btf_vmlinux is malformed\n");
/* should not happen */
return NULL;
}
again:
ctx_tname = btf_name_by_offset(btf_vmlinux, ctx_struct->name_off);
ctx_tname = btf_name_by_offset(btf_vmlinux, ctx_type->name_off);
if (!ctx_tname) {
/* should not happen */
bpf_log(log, "Please fix kernel include/linux/bpf_types.h\n");
@ -5677,28 +5700,167 @@ btf_get_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf,
/* bpf_user_pt_regs_t is a typedef, so resolve it to
* underlying struct and check name again
*/
if (!btf_type_is_modifier(ctx_struct))
if (!btf_type_is_modifier(ctx_type))
return NULL;
while (btf_type_is_modifier(ctx_struct))
ctx_struct = btf_type_by_id(btf_vmlinux, ctx_struct->type);
while (btf_type_is_modifier(ctx_type))
ctx_type = btf_type_by_id(btf_vmlinux, ctx_type->type);
goto again;
}
return ctx_type;
}
/* forward declarations for arch-specific underlying types of
* bpf_user_pt_regs_t; this avoids the need for arch-specific #ifdef
* compilation guards below for BPF_PROG_TYPE_PERF_EVENT checks, but still
* works correctly with __builtin_types_compatible_p() on respective
* architectures
*/
struct user_regs_struct;
struct user_pt_regs;
static int btf_validate_prog_ctx_type(struct bpf_verifier_log *log, const struct btf *btf,
const struct btf_type *t, int arg,
enum bpf_prog_type prog_type,
enum bpf_attach_type attach_type)
{
const struct btf_type *ctx_type;
const char *tname, *ctx_tname;
if (!btf_is_ptr(t)) {
bpf_log(log, "arg#%d type isn't a pointer\n", arg);
return -EINVAL;
}
t = btf_type_by_id(btf, t->type);
/* KPROBE and PERF_EVENT programs allow bpf_user_pt_regs_t typedef */
if (prog_type == BPF_PROG_TYPE_KPROBE || prog_type == BPF_PROG_TYPE_PERF_EVENT) {
while (btf_type_is_modifier(t) && !btf_type_is_typedef(t))
t = btf_type_by_id(btf, t->type);
if (btf_type_is_typedef(t)) {
tname = btf_name_by_offset(btf, t->name_off);
if (tname && strcmp(tname, "bpf_user_pt_regs_t") == 0)
return 0;
}
}
/* all other program types don't use typedefs for context type */
while (btf_type_is_modifier(t))
t = btf_type_by_id(btf, t->type);
/* `void *ctx __arg_ctx` is always valid */
if (btf_type_is_void(t))
return 0;
tname = btf_name_by_offset(btf, t->name_off);
if (str_is_empty(tname)) {
bpf_log(log, "arg#%d type doesn't have a name\n", arg);
return -EINVAL;
}
/* special cases */
switch (prog_type) {
case BPF_PROG_TYPE_KPROBE:
if (__btf_type_is_struct(t) && strcmp(tname, "pt_regs") == 0)
return 0;
break;
case BPF_PROG_TYPE_PERF_EVENT:
if (__builtin_types_compatible_p(bpf_user_pt_regs_t, struct pt_regs) &&
__btf_type_is_struct(t) && strcmp(tname, "pt_regs") == 0)
return 0;
if (__builtin_types_compatible_p(bpf_user_pt_regs_t, struct user_pt_regs) &&
__btf_type_is_struct(t) && strcmp(tname, "user_pt_regs") == 0)
return 0;
if (__builtin_types_compatible_p(bpf_user_pt_regs_t, struct user_regs_struct) &&
__btf_type_is_struct(t) && strcmp(tname, "user_regs_struct") == 0)
return 0;
break;
case BPF_PROG_TYPE_RAW_TRACEPOINT:
case BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE:
/* allow u64* as ctx */
if (btf_is_int(t) && t->size == 8)
return 0;
break;
case BPF_PROG_TYPE_TRACING:
switch (attach_type) {
case BPF_TRACE_RAW_TP:
/* tp_btf program is TRACING, so need special case here */
if (__btf_type_is_struct(t) &&
strcmp(tname, "bpf_raw_tracepoint_args") == 0)
return 0;
/* allow u64* as ctx */
if (btf_is_int(t) && t->size == 8)
return 0;
break;
case BPF_TRACE_ITER:
/* allow struct bpf_iter__xxx types only */
if (__btf_type_is_struct(t) &&
strncmp(tname, "bpf_iter__", sizeof("bpf_iter__") - 1) == 0)
return 0;
break;
case BPF_TRACE_FENTRY:
case BPF_TRACE_FEXIT:
case BPF_MODIFY_RETURN:
/* allow u64* as ctx */
if (btf_is_int(t) && t->size == 8)
return 0;
break;
default:
break;
}
break;
case BPF_PROG_TYPE_LSM:
case BPF_PROG_TYPE_STRUCT_OPS:
/* allow u64* as ctx */
if (btf_is_int(t) && t->size == 8)
return 0;
break;
case BPF_PROG_TYPE_TRACEPOINT:
case BPF_PROG_TYPE_SYSCALL:
case BPF_PROG_TYPE_EXT:
return 0; /* anything goes */
default:
break;
}
ctx_type = find_canonical_prog_ctx_type(prog_type);
if (!ctx_type) {
/* should not happen */
bpf_log(log, "btf_vmlinux is malformed\n");
return -EINVAL;
}
/* resolve typedefs and check that underlying structs are matching as well */
while (btf_type_is_modifier(ctx_type))
ctx_type = btf_type_by_id(btf_vmlinux, ctx_type->type);
/* if program type doesn't have distinctly named struct type for
* context, then __arg_ctx argument can only be `void *`, which we
* already checked above
*/
if (!__btf_type_is_struct(ctx_type)) {
bpf_log(log, "arg#%d should be void pointer\n", arg);
return -EINVAL;
}
ctx_tname = btf_name_by_offset(btf_vmlinux, ctx_type->name_off);
if (!__btf_type_is_struct(t) || strcmp(ctx_tname, tname) != 0) {
bpf_log(log, "arg#%d should be `struct %s *`\n", arg, ctx_tname);
return -EINVAL;
}
return 0;
}
static int btf_translate_to_vmlinux(struct bpf_verifier_log *log,
struct btf *btf,
const struct btf_type *t,
enum bpf_prog_type prog_type,
int arg)
{
const struct btf_member *prog_ctx_type, *kern_ctx_type;
prog_ctx_type = btf_get_prog_ctx_type(log, btf, t, prog_type, arg);
if (!prog_ctx_type)
if (!btf_get_prog_ctx_type(log, btf, t, prog_type, arg))
return -ENOENT;
kern_ctx_type = prog_ctx_type + 1;
return kern_ctx_type->type;
return find_kern_ctx_type_id(prog_type);
}
int get_kern_ctx_btf_id(struct bpf_verifier_log *log, enum bpf_prog_type prog_type)
@ -6934,6 +7096,23 @@ int btf_prepare_func_args(struct bpf_verifier_env *env, int subprog)
return -EINVAL;
}
for (i = 0; i < nargs; i++) {
const char *tag;
if (sub->args[i].arg_type != ARG_PTR_TO_CTX)
continue;
/* check if arg has "arg:ctx" tag */
t = btf_type_by_id(btf, args[i].type);
tag = btf_find_decl_tag_value(btf, fn_t, i, "arg:");
if (IS_ERR_OR_NULL(tag) || strcmp(tag, "ctx") != 0)
continue;
if (btf_validate_prog_ctx_type(log, btf, t, i, prog_type,
prog->expected_attach_type))
return -EINVAL;
}
sub->arg_cnt = nargs;
sub->args_cached = true;

4
kernel/bpf/verifier.c
View File

@ -12826,6 +12826,10 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env,
}
switch (base_type(ptr_reg->type)) {
case PTR_TO_FLOW_KEYS:
if (known)
break;
fallthrough;
case CONST_PTR_TO_MAP:
/* smin_val represents the known value */
if (known && smin_val == 0 && opcode == BPF_ADD)

42
net/bridge/br_netfilter_hooks.c
View File

@ -279,8 +279,17 @@ int br_nf_pre_routing_finish_bridge(struct net *net, struct sock *sk, struct sk_
if ((READ_ONCE(neigh->nud_state) & NUD_CONNECTED) &&
READ_ONCE(neigh->hh.hh_len)) {
struct net_device *br_indev;
br_indev = nf_bridge_get_physindev(skb, net);
if (!br_indev) {
neigh_release(neigh);
goto free_skb;
}
neigh_hh_bridge(&neigh->hh, skb);
skb->dev = nf_bridge->physindev;
skb->dev = br_indev;
ret = br_handle_frame_finish(net, sk, skb);
} else {
/* the neighbour function below overwrites the complete
@ -352,12 +361,18 @@ br_nf_ipv4_daddr_was_changed(const struct sk_buff *skb,
*/
static int br_nf_pre_routing_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
{
struct net_device *dev = skb->dev;
struct net_device *dev = skb->dev, *br_indev;
struct iphdr *iph = ip_hdr(skb);
struct nf_bridge_info *nf_bridge = nf_bridge_info_get(skb);
struct rtable *rt;
int err;
br_indev = nf_bridge_get_physindev(skb, net);
if (!br_indev) {
kfree_skb(skb);
return 0;
}
nf_bridge->frag_max_size = IPCB(skb)->frag_max_size;
if (nf_bridge->pkt_otherhost) {
@ -397,7 +412,7 @@ static int br_nf_pre_routing_finish(struct net *net, struct sock *sk, struct sk_
} else {
if (skb_dst(skb)->dev == dev) {
bridged_dnat:
skb->dev = nf_bridge->physindev;
skb->dev = br_indev;
nf_bridge_update_protocol(skb);
nf_bridge_push_encap_header(skb);
br_nf_hook_thresh(NF_BR_PRE_ROUTING,
@ -410,7 +425,7 @@ static int br_nf_pre_routing_finish(struct net *net, struct sock *sk, struct sk_
skb->pkt_type = PACKET_HOST;
}
} else {
rt = bridge_parent_rtable(nf_bridge->physindev);
rt = bridge_parent_rtable(br_indev);
if (!rt) {
kfree_skb(skb);
return 0;
@ -419,7 +434,7 @@ static int br_nf_pre_routing_finish(struct net *net, struct sock *sk, struct sk_
skb_dst_set_noref(skb, &rt->dst);
}
skb->dev = nf_bridge->physindev;
skb->dev = br_indev;
nf_bridge_update_protocol(skb);
nf_bridge_push_encap_header(skb);
br_nf_hook_thresh(NF_BR_PRE_ROUTING, net, sk, skb, skb->dev, NULL,
@ -456,7 +471,7 @@ struct net_device *setup_pre_routing(struct sk_buff *skb, const struct net *net)
}
nf_bridge->in_prerouting = 1;
nf_bridge->physindev = skb->dev;
nf_bridge->physinif = skb->dev->ifindex;
skb->dev = brnf_get_logical_dev(skb, skb->dev, net);
if (skb->protocol == htons(ETH_P_8021Q))
@ -553,7 +568,11 @@ static int br_nf_forward_finish(struct net *net, struct sock *sk, struct sk_buff
if (skb->protocol == htons(ETH_P_IPV6))
nf_bridge->frag_max_size = IP6CB(skb)->frag_max_size;
in = nf_bridge->physindev;
in = nf_bridge_get_physindev(skb, net);
if (!in) {
kfree_skb(skb);
return 0;
}
if (nf_bridge->pkt_otherhost) {
skb->pkt_type = PACKET_OTHERHOST;
nf_bridge->pkt_otherhost = false;
@ -899,6 +918,13 @@ static unsigned int ip_sabotage_in(void *priv,
static void br_nf_pre_routing_finish_bridge_slow(struct sk_buff *skb)
{
struct nf_bridge_info *nf_bridge = nf_bridge_info_get(skb);
struct net_device *br_indev;
br_indev = nf_bridge_get_physindev(skb, dev_net(skb->dev));
if (!br_indev) {
kfree_skb(skb);
return;
}
skb_pull(skb, ETH_HLEN);
nf_bridge->bridged_dnat = 0;
@ -908,7 +934,7 @@ static void br_nf_pre_routing_finish_bridge_slow(struct sk_buff *skb)
skb_copy_to_linear_data_offset(skb, -(ETH_HLEN - ETH_ALEN),
nf_bridge->neigh_header,
ETH_HLEN - ETH_ALEN);
skb->dev = nf_bridge->physindev;
skb->dev = br_indev;
nf_bridge->physoutdev = NULL;
br_handle_frame_finish(dev_net(skb->dev), NULL, skb);

14
net/bridge/br_netfilter_ipv6.c
View File

@ -102,9 +102,15 @@ static int br_nf_pre_routing_finish_ipv6(struct net *net, struct sock *sk, struc
{
struct nf_bridge_info *nf_bridge = nf_bridge_info_get(skb);
struct rtable *rt;
struct net_device *dev = skb->dev;
struct net_device *dev = skb->dev, *br_indev;
const struct nf_ipv6_ops *v6ops = nf_get_ipv6_ops();
br_indev = nf_bridge_get_physindev(skb, net);
if (!br_indev) {
kfree_skb(skb);
return 0;
}
nf_bridge->frag_max_size = IP6CB(skb)->frag_max_size;
if (nf_bridge->pkt_otherhost) {
@ -122,7 +128,7 @@ static int br_nf_pre_routing_finish_ipv6(struct net *net, struct sock *sk, struc
}
if (skb_dst(skb)->dev == dev) {
skb->dev = nf_bridge->physindev;
skb->dev = br_indev;
nf_bridge_update_protocol(skb);
nf_bridge_push_encap_header(skb);
br_nf_hook_thresh(NF_BR_PRE_ROUTING,
@ -133,7 +139,7 @@ static int br_nf_pre_routing_finish_ipv6(struct net *net, struct sock *sk, struc
ether_addr_copy(eth_hdr(skb)->h_dest, dev->dev_addr);
skb->pkt_type = PACKET_HOST;
} else {
rt = bridge_parent_rtable(nf_bridge->physindev);
rt = bridge_parent_rtable(br_indev);
if (!rt) {
kfree_skb(skb);
return 0;
@ -142,7 +148,7 @@ static int br_nf_pre_routing_finish_ipv6(struct net *net, struct sock *sk, struc
skb_dst_set_noref(skb, &rt->dst);
}
skb->dev = nf_bridge->physindev;
skb->dev = br_indev;
nf_bridge_update_protocol(skb);
nf_bridge_push_encap_header(skb);
br_nf_hook_thresh(NF_BR_PRE_ROUTING, net, sk, skb,

14
net/core/rtnetlink.c
View File

@ -2899,13 +2899,6 @@ static int do_setlink(const struct sk_buff *skb,
call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
}
if (tb[IFLA_MASTER]) {
err = do_set_master(dev, nla_get_u32(tb[IFLA_MASTER]), extack);
if (err)
goto errout;
status |= DO_SETLINK_MODIFIED;
}
if (ifm->ifi_flags || ifm->ifi_change) {
err = dev_change_flags(dev, rtnl_dev_combine_flags(dev, ifm),
extack);
@ -2913,6 +2906,13 @@ static int do_setlink(const struct sk_buff *skb,
goto errout;
}
if (tb[IFLA_MASTER]) {
err = do_set_master(dev, nla_get_u32(tb[IFLA_MASTER]), extack);
if (err)
goto errout;
status |= DO_SETLINK_MODIFIED;
}
if (tb[IFLA_CARRIER]) {
err = dev_change_carrier(dev, nla_get_u8(tb[IFLA_CARRIER]));
if (err)

7
net/dsa/user.c
View File

@ -2806,13 +2806,14 @@ EXPORT_SYMBOL_GPL(dsa_user_dev_check);
static int dsa_user_changeupper(struct net_device *dev,
struct netdev_notifier_changeupper_info *info)
{
struct dsa_port *dp = dsa_user_to_port(dev);
struct netlink_ext_ack *extack;
int err = NOTIFY_DONE;
struct dsa_port *dp;
if (!dsa_user_dev_check(dev))
return err;
dp = dsa_user_to_port(dev);
extack = netdev_notifier_info_to_extack(&info->info);
if (netif_is_bridge_master(info->upper_dev)) {
@ -2865,11 +2866,13 @@ static int dsa_user_changeupper(struct net_device *dev,
static int dsa_user_prechangeupper(struct net_device *dev,
struct netdev_notifier_changeupper_info *info)
{
struct dsa_port *dp = dsa_user_to_port(dev);
struct dsa_port *dp;
if (!dsa_user_dev_check(dev))
return NOTIFY_DONE;
dp = dsa_user_to_port(dev);
if (netif_is_bridge_master(info->upper_dev) && !info->linking)
dsa_port_pre_bridge_leave(dp, info->upper_dev);
else if (netif_is_lag_master(info->upper_dev) && !info->linking)

9
net/ethtool/features.c
View File

@ -234,17 +234,20 @@ int ethnl_set_features(struct sk_buff *skb, struct genl_info *info)
dev = req_info.dev;
rtnl_lock();
ret = ethnl_ops_begin(dev);
if (ret < 0)
goto out_rtnl;
ethnl_features_to_bitmap(old_active, dev->features);
ethnl_features_to_bitmap(old_wanted, dev->wanted_features);
ret = ethnl_parse_bitset(req_wanted, req_mask, NETDEV_FEATURE_COUNT,
tb[ETHTOOL_A_FEATURES_WANTED],
netdev_features_strings, info->extack);
if (ret < 0)
goto out_rtnl;
goto out_ops;
if (ethnl_bitmap_to_features(req_mask) & ~NETIF_F_ETHTOOL_BITS) {
GENL_SET_ERR_MSG(info, "attempt to change non-ethtool features");
ret = -EINVAL;
goto out_rtnl;
goto out_ops;
}
/* set req_wanted bits not in req_mask from old_wanted */
@ -281,6 +284,8 @@ int ethnl_set_features(struct sk_buff *skb, struct genl_info *info)
if (mod)
netdev_features_change(dev);
out_ops:
ethnl_ops_complete(dev);
out_rtnl:
rtnl_unlock();
ethnl_parse_header_dev_put(&req_info);

1
net/hsr/hsr_main.c
View File

@ -167,4 +167,5 @@ static void __exit hsr_exit(void)
module_init(hsr_init);
module_exit(hsr_exit);
MODULE_DESCRIPTION("High-availability Seamless Redundancy (HSR) driver");
MODULE_LICENSE("GPL");

9
net/ipv4/netfilter/nf_reject_ipv4.c
View File

@ -239,7 +239,6 @@ static int nf_reject_fill_skb_dst(struct sk_buff *skb_in)
void nf_send_reset(struct net *net, struct sock *sk, struct sk_buff *oldskb,
int hook)
{
struct net_device *br_indev __maybe_unused;
struct sk_buff *nskb;
struct iphdr *niph;
const struct tcphdr *oth;
@ -289,9 +288,13 @@ void nf_send_reset(struct net *net, struct sock *sk, struct sk_buff *oldskb,
* build the eth header using the original destination's MAC as the
* source, and send the RST packet directly.
*/
br_indev = nf_bridge_get_physindev(oldskb);
if (br_indev) {
if (nf_bridge_info_exists(oldskb)) {
struct ethhdr *oeth = eth_hdr(oldskb);
struct net_device *br_indev;
br_indev = nf_bridge_get_physindev(oldskb, net);
if (!br_indev)
goto free_nskb;
nskb->dev = br_indev;
niph->tot_len = htons(nskb->len);

34
net/ipv4/udp.c
View File

@ -805,7 +805,7 @@ void udp_flush_pending_frames(struct sock *sk)
if (up->pending) {
up->len = 0;
up->pending = 0;
WRITE_ONCE(up->pending, 0);
ip_flush_pending_frames(sk);
}
}
@ -993,7 +993,7 @@ int udp_push_pending_frames(struct sock *sk)
out:
up->len = 0;
up->pending = 0;
WRITE_ONCE(up->pending, 0);
return err;
}
EXPORT_SYMBOL(udp_push_pending_frames);
@ -1070,7 +1070,7 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
getfrag = is_udplite ? udplite_getfrag : ip_generic_getfrag;
fl4 = &inet->cork.fl.u.ip4;
if (up->pending) {
if (READ_ONCE(up->pending)) {
/*
* There are pending frames.
* The socket lock must be held while it's corked.
@ -1269,7 +1269,7 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
fl4->saddr = saddr;
fl4->fl4_dport = dport;
fl4->fl4_sport = inet->inet_sport;
up->pending = AF_INET;
WRITE_ONCE(up->pending, AF_INET);
do_append_data:
up->len += ulen;
@ -1281,7 +1281,7 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
else if (!corkreq)
err = udp_push_pending_frames(sk);
else if (unlikely(skb_queue_empty(&sk->sk_write_queue)))
up->pending = 0;
WRITE_ONCE(up->pending, 0);
release_sock(sk);
out:
@ -1319,7 +1319,7 @@ void udp_splice_eof(struct socket *sock)
struct sock *sk = sock->sk;
struct udp_sock *up = udp_sk(sk);
if (!up->pending || udp_test_bit(CORK, sk))
if (!READ_ONCE(up->pending) || udp_test_bit(CORK, sk))
return;
lock_sock(sk);
@ -3137,16 +3137,18 @@ static struct sock *bpf_iter_udp_batch(struct seq_file *seq)
struct bpf_udp_iter_state *iter = seq->private;
struct udp_iter_state *state = &iter->state;
struct net *net = seq_file_net(seq);
int resume_bucket, resume_offset;
struct udp_table *udptable;
unsigned int batch_sks = 0;
bool resized = false;
struct sock *sk;
resume_bucket = state->bucket;
resume_offset = iter->offset;
/* The current batch is done, so advance the bucket. */
if (iter->st_bucket_done) {
if (iter->st_bucket_done)
state->bucket++;
iter->offset = 0;
}
udptable = udp_get_table_seq(seq, net);
@ -3166,19 +3168,19 @@ static struct sock *bpf_iter_udp_batch(struct seq_file *seq)
for (; state->bucket <= udptable->mask; state->bucket++) {
struct udp_hslot *hslot2 = &udptable->hash2[state->bucket];
if (hlist_empty(&hslot2->head)) {
iter->offset = 0;
if (hlist_empty(&hslot2->head))
continue;
}
iter->offset = 0;
spin_lock_bh(&hslot2->lock);
udp_portaddr_for_each_entry(sk, &hslot2->head) {
if (seq_sk_match(seq, sk)) {
/* Resume from the last iterated socket at the
* offset in the bucket before iterator was stopped.
*/
if (iter->offset) {
--iter->offset;
if (state->bucket == resume_bucket &&
iter->offset < resume_offset) {
++iter->offset;
continue;
}
if (iter->end_sk < iter->max_sk) {
@ -3192,9 +3194,6 @@ static struct sock *bpf_iter_udp_batch(struct seq_file *seq)
if (iter->end_sk)
break;
/* Reset the current bucket's offset before moving to the next bucket. */
iter->offset = 0;
}
/* All done: no batch made. */
@ -3213,7 +3212,6 @@ static struct sock *bpf_iter_udp_batch(struct seq_file *seq)
/* After allocating a larger batch, retry one more time to grab
* the whole bucket.
*/
state->bucket--;
goto again;
}
done:

4
net/ipv6/mcast.c
View File

@ -2722,8 +2722,12 @@ void ipv6_mc_down(struct inet6_dev *idev)
synchronize_net();
mld_query_stop_work(idev);
mld_report_stop_work(idev);
mutex_lock(&idev->mc_lock);
mld_ifc_stop_work(idev);
mld_gq_stop_work(idev);
mutex_unlock(&idev->mc_lock);
mld_dad_stop_work(idev);
}

11
net/ipv6/netfilter/nf_reject_ipv6.c
View File

@ -278,7 +278,6 @@ static int nf_reject6_fill_skb_dst(struct sk_buff *skb_in)
void nf_send_reset6(struct net *net, struct sock *sk, struct sk_buff *oldskb,
int hook)
{
struct net_device *br_indev __maybe_unused;
struct sk_buff *nskb;
struct tcphdr _otcph;
const struct tcphdr *otcph;
@ -354,9 +353,15 @@ void nf_send_reset6(struct net *net, struct sock *sk, struct sk_buff *oldskb,
* build the eth header using the original destination's MAC as the
* source, and send the RST packet directly.
*/
br_indev = nf_bridge_get_physindev(oldskb);
if (br_indev) {
if (nf_bridge_info_exists(oldskb)) {
struct ethhdr *oeth = eth_hdr(oldskb);
struct net_device *br_indev;
br_indev = nf_bridge_get_physindev(oldskb, net);
if (!br_indev) {
kfree_skb(nskb);
return;
}
nskb->dev = br_indev;
nskb->protocol = htons(ETH_P_IPV6);

16
net/ipv6/udp.c
View File

@ -1135,7 +1135,7 @@ static void udp_v6_flush_pending_frames(struct sock *sk)
udp_flush_pending_frames(sk);
else if (up->pending) {
up->len = 0;
up->pending = 0;
WRITE_ONCE(up->pending, 0);
ip6_flush_pending_frames(sk);
}
}
@ -1313,7 +1313,7 @@ static int udp_v6_push_pending_frames(struct sock *sk)
&inet_sk(sk)->cork.base);
out:
up->len = 0;
up->pending = 0;
WRITE_ONCE(up->pending, 0);
return err;
}
@ -1370,7 +1370,7 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
default:
return -EINVAL;
}
} else if (!up->pending) {
} else if (!READ_ONCE(up->pending)) {
if (sk->sk_state != TCP_ESTABLISHED)
return -EDESTADDRREQ;
daddr = &sk->sk_v6_daddr;
@ -1401,8 +1401,8 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
return -EMSGSIZE;
getfrag = is_udplite ? udplite_getfrag : ip_generic_getfrag;
if (up->pending) {
if (up->pending == AF_INET)
if (READ_ONCE(up->pending)) {
if (READ_ONCE(up->pending) == AF_INET)
return udp_sendmsg(sk, msg, len);
/*
* There are pending frames.
@ -1593,7 +1593,7 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
goto out;
}
up->pending = AF_INET6;
WRITE_ONCE(up->pending, AF_INET6);
do_append_data:
if (ipc6.dontfrag < 0)
@ -1607,7 +1607,7 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
else if (!corkreq)
err = udp_v6_push_pending_frames(sk);
else if (unlikely(skb_queue_empty(&sk->sk_write_queue)))
up->pending = 0;
WRITE_ONCE(up->pending, 0);
if (err > 0)
err = inet6_test_bit(RECVERR6, sk) ? net_xmit_errno(err) : 0;
@ -1648,7 +1648,7 @@ static void udpv6_splice_eof(struct socket *sock)
struct sock *sk = sock->sk;
struct udp_sock *up = udp_sk(sk);
if (!up->pending || udp_test_bit(CORK, sk))
if (!READ_ONCE(up->pending) || udp_test_bit(CORK, sk))
return;
lock_sock(sk);

6
net/mptcp/options.c
View File

@ -123,8 +123,8 @@ static void mptcp_parse_option(const struct sk_buff *skb,
break;
case MPTCPOPT_MP_JOIN:
mp_opt->suboptions |= OPTIONS_MPTCP_MPJ;
if (opsize == TCPOLEN_MPTCP_MPJ_SYN) {
mp_opt->suboptions |= OPTION_MPTCP_MPJ_SYN;
mp_opt->backup = *ptr++ & MPTCPOPT_BACKUP;
mp_opt->join_id = *ptr++;
mp_opt->token = get_unaligned_be32(ptr);
@ -135,6 +135,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
mp_opt->backup, mp_opt->join_id,
mp_opt->token, mp_opt->nonce);
} else if (opsize == TCPOLEN_MPTCP_MPJ_SYNACK) {
mp_opt->suboptions |= OPTION_MPTCP_MPJ_SYNACK;
mp_opt->backup = *ptr++ & MPTCPOPT_BACKUP;
mp_opt->join_id = *ptr++;
mp_opt->thmac = get_unaligned_be64(ptr);
@ -145,11 +146,10 @@ static void mptcp_parse_option(const struct sk_buff *skb,
mp_opt->backup, mp_opt->join_id,
mp_opt->thmac, mp_opt->nonce);
} else if (opsize == TCPOLEN_MPTCP_MPJ_ACK) {
mp_opt->suboptions |= OPTION_MPTCP_MPJ_ACK;
ptr += 2;
memcpy(mp_opt->hmac, ptr, MPTCPOPT_HMAC_LEN);
pr_debug("MP_JOIN hmac");
} else {
mp_opt->suboptions &= ~OPTIONS_MPTCP_MPJ;
}
break;

17
net/mptcp/subflow.c
View File

@ -157,8 +157,8 @@ static int subflow_check_req(struct request_sock *req,
mptcp_get_options(skb, &mp_opt);
opt_mp_capable = !!(mp_opt.suboptions & OPTIONS_MPTCP_MPC);
opt_mp_join = !!(mp_opt.suboptions & OPTIONS_MPTCP_MPJ);
opt_mp_capable = !!(mp_opt.suboptions & OPTION_MPTCP_MPC_SYN);
opt_mp_join = !!(mp_opt.suboptions & OPTION_MPTCP_MPJ_SYN);
if (opt_mp_capable) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_MPCAPABLEPASSIVE);
@ -254,8 +254,8 @@ int mptcp_subflow_init_cookie_req(struct request_sock *req,
subflow_init_req(req, sk_listener);
mptcp_get_options(skb, &mp_opt);
opt_mp_capable = !!(mp_opt.suboptions & OPTIONS_MPTCP_MPC);
opt_mp_join = !!(mp_opt.suboptions & OPTIONS_MPTCP_MPJ);
opt_mp_capable = !!(mp_opt.suboptions & OPTION_MPTCP_MPC_ACK);
opt_mp_join = !!(mp_opt.suboptions & OPTION_MPTCP_MPJ_ACK);
if (opt_mp_capable && opt_mp_join)
return -EINVAL;
@ -486,7 +486,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
mptcp_get_options(skb, &mp_opt);
if (subflow->request_mptcp) {
if (!(mp_opt.suboptions & OPTIONS_MPTCP_MPC)) {
if (!(mp_opt.suboptions & OPTION_MPTCP_MPC_SYNACK)) {
MPTCP_INC_STATS(sock_net(sk),
MPTCP_MIB_MPCAPABLEACTIVEFALLBACK);
mptcp_do_fallback(sk);
@ -506,7 +506,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
} else if (subflow->request_join) {
u8 hmac[SHA256_DIGEST_SIZE];
if (!(mp_opt.suboptions & OPTIONS_MPTCP_MPJ)) {
if (!(mp_opt.suboptions & OPTION_MPTCP_MPJ_SYNACK)) {
subflow->reset_reason = MPTCP_RST_EMPTCP;
goto do_reset;
}
@ -783,12 +783,13 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
* options.
*/
mptcp_get_options(skb, &mp_opt);
if (!(mp_opt.suboptions & OPTIONS_MPTCP_MPC))
if (!(mp_opt.suboptions &
(OPTION_MPTCP_MPC_SYN | OPTION_MPTCP_MPC_ACK)))
fallback = true;
} else if (subflow_req->mp_join) {
mptcp_get_options(skb, &mp_opt);
if (!(mp_opt.suboptions & OPTIONS_MPTCP_MPJ) ||
if (!(mp_opt.suboptions & OPTION_MPTCP_MPJ_ACK) ||
!subflow_hmac_valid(req, &mp_opt) ||
!mptcp_can_accept_new_subflow(subflow_req->msk)) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINACKMAC);

8
net/netfilter/ipset/ip_set_hash_netiface.c
View File

@ -138,9 +138,9 @@ hash_netiface4_data_next(struct hash_netiface4_elem *next,
#include "ip_set_hash_gen.h"
#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
static const char *get_physindev_name(const struct sk_buff *skb)
static const char *get_physindev_name(const struct sk_buff *skb, struct net *net)
{
struct net_device *dev = nf_bridge_get_physindev(skb);
struct net_device *dev = nf_bridge_get_physindev(skb, net);
return dev ? dev->name : NULL;
}
@ -177,7 +177,7 @@ hash_netiface4_kadt(struct ip_set *set, const struct sk_buff *skb,
if (opt->cmdflags & IPSET_FLAG_PHYSDEV) {
#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
const char *eiface = SRCDIR ? get_physindev_name(skb) :
const char *eiface = SRCDIR ? get_physindev_name(skb, xt_net(par)) :
get_physoutdev_name(skb);
if (!eiface)
@ -395,7 +395,7 @@ hash_netiface6_kadt(struct ip_set *set, const struct sk_buff *skb,
if (opt->cmdflags & IPSET_FLAG_PHYSDEV) {
#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
const char *eiface = SRCDIR ? get_physindev_name(skb) :
const char *eiface = SRCDIR ? get_physindev_name(skb, xt_net(par)) :
get_physoutdev_name(skb);
if (!eiface)

4
net/netfilter/ipvs/ip_vs_xmit.c
View File

@ -271,7 +271,7 @@ static inline bool decrement_ttl(struct netns_ipvs *ipvs,
skb->dev = dst->dev;
icmpv6_send(skb, ICMPV6_TIME_EXCEED,
ICMPV6_EXC_HOPLIMIT, 0);
__IP6_INC_STATS(net, idev, IPSTATS_MIB_INHDRERRORS);
IP6_INC_STATS(net, idev, IPSTATS_MIB_INHDRERRORS);
return false;
}
@ -286,7 +286,7 @@ static inline bool decrement_ttl(struct netns_ipvs *ipvs,
{
if (ip_hdr(skb)->ttl <= 1) {
/* Tell the sender its packet died... */
__IP_INC_STATS(net, IPSTATS_MIB_INHDRERRORS);
IP_INC_STATS(net, IPSTATS_MIB_INHDRERRORS);
icmp_send(skb, ICMP_TIME_EXCEEDED, ICMP_EXC_TTL, 0);
return false;
}

13
net/netfilter/nf_log_syslog.c
View File

@ -111,7 +111,8 @@ nf_log_dump_packet_common(struct nf_log_buf *m, u8 pf,
unsigned int hooknum, const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
const struct nf_loginfo *loginfo, const char *prefix)
const struct nf_loginfo *loginfo, const char *prefix,
struct net *net)
{
const struct net_device *physoutdev __maybe_unused;
const struct net_device *physindev __maybe_unused;
@ -121,7 +122,7 @@ nf_log_dump_packet_common(struct nf_log_buf *m, u8 pf,
in ? in->name : "",
out ? out->name : "");
#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
physindev = nf_bridge_get_physindev(skb);
physindev = nf_bridge_get_physindev(skb, net);
if (physindev && in != physindev)
nf_log_buf_add(m, "PHYSIN=%s ", physindev->name);
physoutdev = nf_bridge_get_physoutdev(skb);
@ -148,7 +149,7 @@ static void nf_log_arp_packet(struct net *net, u_int8_t pf,
loginfo = &default_loginfo;
nf_log_dump_packet_common(m, pf, hooknum, skb, in, out, loginfo,
prefix);
prefix, net);
dump_arp_packet(m, loginfo, skb, skb_network_offset(skb));
nf_log_buf_close(m);
@ -845,7 +846,7 @@ static void nf_log_ip_packet(struct net *net, u_int8_t pf,
loginfo = &default_loginfo;
nf_log_dump_packet_common(m, pf, hooknum, skb, in,
out, loginfo, prefix);
out, loginfo, prefix, net);
if (in)
dump_mac_header(m, loginfo, skb);
@ -880,7 +881,7 @@ static void nf_log_ip6_packet(struct net *net, u_int8_t pf,
loginfo = &default_loginfo;
nf_log_dump_packet_common(m, pf, hooknum, skb, in, out,
loginfo, prefix);
loginfo, prefix, net);
if (in)
dump_mac_header(m, loginfo, skb);
@ -916,7 +917,7 @@ static void nf_log_unknown_packet(struct net *net, u_int8_t pf,
loginfo = &default_loginfo;
nf_log_dump_packet_common(m, pf, hooknum, skb, in, out, loginfo,
prefix);
prefix, net);
dump_mac_header(m, loginfo, skb);

6
net/netfilter/nf_queue.c
View File

@ -82,11 +82,9 @@ static void __nf_queue_entry_init_physdevs(struct nf_queue_entry *entry)
{
#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
const struct sk_buff *skb = entry->skb;
struct nf_bridge_info *nf_bridge;
nf_bridge = nf_bridge_info_get(skb);
if (nf_bridge) {
entry->physin = nf_bridge_get_physindev(skb);
if (nf_bridge_info_exists(skb)) {
entry->physin = nf_bridge_get_physindev(skb, entry->state.net);
entry->physout = nf_bridge_get_physoutdev(skb);
} else {
entry->physin = NULL;

36
net/netfilter/nf_tables_api.c
View File

@ -2977,6 +2977,9 @@ static int nf_tables_delchain(struct sk_buff *skb, const struct nfnl_info *info,
*/
int nft_register_expr(struct nft_expr_type *type)
{
if (WARN_ON_ONCE(type->maxattr > NFT_EXPR_MAXATTR))
return -ENOMEM;
nfnl_lock(NFNL_SUBSYS_NFTABLES);
if (type->family == NFPROTO_UNSPEC)
list_add_tail_rcu(&type->list, &nf_tables_expressions);
@ -3271,14 +3274,13 @@ int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src)
{
int err;
if (src->ops->clone) {
if (WARN_ON_ONCE(!src->ops->clone))
return -EINVAL;
dst->ops = src->ops;
err = src->ops->clone(dst, src);
if (err < 0)
return err;
} else {
memcpy(dst, src, src->ops->size);
}
__module_get(src->ops->type->owner);
@ -4811,8 +4813,8 @@ static int nft_set_desc_concat_parse(const struct nlattr *attr,
static int nft_set_desc_concat(struct nft_set_desc *desc,
const struct nlattr *nla)
{
u32 num_regs = 0, key_num_regs = 0;
struct nlattr *attr;
u32 num_regs = 0;
int rem, err, i;
nla_for_each_nested(attr, nla, rem) {
@ -4827,6 +4829,10 @@ static int nft_set_desc_concat(struct nft_set_desc *desc,
for (i = 0; i < desc->field_count; i++)
num_regs += DIV_ROUND_UP(desc->field_len[i], sizeof(u32));
key_num_regs = DIV_ROUND_UP(desc->klen, sizeof(u32));
if (key_num_regs != num_regs)
return -EINVAL;
if (num_regs > NFT_REG32_COUNT)
return -E2BIG;
@ -5048,19 +5054,31 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
}
desc.policy = NFT_SET_POL_PERFORMANCE;
if (nla[NFTA_SET_POLICY] != NULL)
if (nla[NFTA_SET_POLICY] != NULL) {
desc.policy = ntohl(nla_get_be32(nla[NFTA_SET_POLICY]));
switch (desc.policy) {
case NFT_SET_POL_PERFORMANCE:
case NFT_SET_POL_MEMORY:
break;
default:
return -EOPNOTSUPP;
}
}
if (nla[NFTA_SET_DESC] != NULL) {
err = nf_tables_set_desc_parse(&desc, nla[NFTA_SET_DESC]);
if (err < 0)
return err;
if (desc.field_count > 1 && !(flags & NFT_SET_CONCAT))
if (desc.field_count > 1) {
if (!(flags & NFT_SET_CONCAT))
return -EINVAL;
} else if (flags & NFT_SET_CONCAT) {
return -EINVAL;
}
} else if (flags & NFT_SET_CONCAT) {
return -EINVAL;
}
if (nla[NFTA_SET_EXPR] || nla[NFTA_SET_EXPRESSIONS])
desc.expr = true;
@ -5704,7 +5722,7 @@ static int nf_tables_dump_setelem(const struct nft_ctx *ctx,
const struct nft_set_ext *ext = nft_set_elem_ext(set, elem_priv);
struct nft_set_dump_args *args;
if (nft_set_elem_expired(ext))
if (nft_set_elem_expired(ext) || nft_set_elem_is_dead(ext))
return 0;
args = container_of(iter, struct nft_set_dump_args, iter);
@ -6568,7 +6586,7 @@ static int nft_setelem_catchall_deactivate(const struct net *net,
list_for_each_entry(catchall, &set->catchall_list, list) {
ext = nft_set_elem_ext(set, catchall->elem);
if (!nft_is_active(net, ext))
if (!nft_is_active_next(net, ext))
continue;
kfree(elem->priv);

8
net/netfilter/nfnetlink_log.c
View File

@ -508,7 +508,7 @@ __build_packet_message(struct nfnl_log_net *log,
htonl(br_port_get_rcu(indev)->br->dev->ifindex)))
goto nla_put_failure;
} else {
struct net_device *physindev;
int physinif;
/* Case 2: indev is bridge group, we need to look for
* physical device (when called from ipv4) */
@ -516,10 +516,10 @@ __build_packet_message(struct nfnl_log_net *log,
htonl(indev->ifindex)))
goto nla_put_failure;
physindev = nf_bridge_get_physindev(skb);
if (physindev &&
physinif = nf_bridge_get_physinif(skb);
if (physinif &&
nla_put_be32(inst->skb, NFULA_IFINDEX_PHYSINDEV,
htonl(physindev->ifindex)))
htonl(physinif)))
goto nla_put_failure;
}
#endif

19
net/netfilter/nft_limit.c
View File

@ -58,6 +58,7 @@ static inline bool nft_limit_eval(struct nft_limit_priv *priv, u64 cost)
static int nft_limit_init(struct nft_limit_priv *priv,
const struct nlattr * const tb[], bool pkts)
{
bool invert = false;
u64 unit, tokens;
if (tb[NFTA_LIMIT_RATE] == NULL ||
@ -90,19 +91,23 @@ static int nft_limit_init(struct nft_limit_priv *priv,
priv->rate);
}
if (tb[NFTA_LIMIT_FLAGS]) {
u32 flags = ntohl(nla_get_be32(tb[NFTA_LIMIT_FLAGS]));
if (flags & ~NFT_LIMIT_F_INV)
return -EOPNOTSUPP;
if (flags & NFT_LIMIT_F_INV)
invert = true;
}
priv->limit = kmalloc(sizeof(*priv->limit), GFP_KERNEL_ACCOUNT);
if (!priv->limit)
return -ENOMEM;
priv->limit->tokens = tokens;
priv->tokens_max = priv->limit->tokens;
if (tb[NFTA_LIMIT_FLAGS]) {
u32 flags = ntohl(nla_get_be32(tb[NFTA_LIMIT_FLAGS]));
if (flags & NFT_LIMIT_F_INV)
priv->invert = true;
}
priv->invert = invert;
priv->limit->last = ktime_get_ns();
spin_lock_init(&priv->limit->lock);

2
net/netfilter/xt_physdev.c
View File

@ -59,7 +59,7 @@ physdev_mt(const struct sk_buff *skb, struct xt_action_param *par)
(!!outdev ^ !(info->invert & XT_PHYSDEV_OP_BRIDGED)))
return false;
physdev = nf_bridge_get_physindev(skb);
physdev = nf_bridge_get_physindev(skb, xt_net(par));
indev = physdev ? physdev->name : NULL;
if ((info->bitmask & XT_PHYSDEV_OP_ISIN &&

1
net/nfc/digital_core.c
View File

@ -858,4 +858,5 @@ void nfc_digital_unregister_device(struct nfc_digital_dev *ddev)
}
EXPORT_SYMBOL(nfc_digital_unregister_device);
MODULE_DESCRIPTION("NFC Digital protocol stack");
MODULE_LICENSE("GPL");

1
net/nfc/nci/core.c
View File

@ -1577,4 +1577,5 @@ static void nci_cmd_work(struct work_struct *work)
}
}
MODULE_DESCRIPTION("NFC Controller Interface");
MODULE_LICENSE("GPL");

1
net/nfc/nci/spi.c
View File

@ -319,4 +319,5 @@ struct sk_buff *nci_spi_read(struct nci_spi *nspi)
}
EXPORT_SYMBOL_GPL(nci_spi_read);
MODULE_DESCRIPTION("NFC Controller Interface (NCI) SPI link layer");
MODULE_LICENSE("GPL");

1
net/rxrpc/ar-internal.h
View File

@ -1079,6 +1079,7 @@ void rxrpc_send_version_request(struct rxrpc_local *local,
/*
* local_object.c
*/
void rxrpc_local_dont_fragment(const struct rxrpc_local *local, bool set);
struct rxrpc_local *rxrpc_lookup_local(struct net *, const struct sockaddr_rxrpc *);
struct rxrpc_local *rxrpc_get_local(struct rxrpc_local *, enum rxrpc_local_trace);
struct rxrpc_local *rxrpc_get_local_maybe(struct rxrpc_local *, enum rxrpc_local_trace);

13
net/rxrpc/local_object.c
View File

@ -36,6 +36,17 @@ static void rxrpc_encap_err_rcv(struct sock *sk, struct sk_buff *skb, int err,
return ipv6_icmp_error(sk, skb, err, port, info, payload);
}
/*
* Set or clear the Don't Fragment flag on a socket.
*/
void rxrpc_local_dont_fragment(const struct rxrpc_local *local, bool set)
{
if (set)
ip_sock_set_mtu_discover(local->socket->sk, IP_PMTUDISC_DO);
else
ip_sock_set_mtu_discover(local->socket->sk, IP_PMTUDISC_DONT);
}
/*
* Compare a local to an address. Return -ve, 0 or +ve to indicate less than,
* same or greater than.
@ -203,7 +214,7 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net)
ip_sock_set_recverr(usk);
/* we want to set the don't fragment bit */
ip_sock_set_mtu_discover(usk, IP_PMTUDISC_DO);
rxrpc_local_dont_fragment(local, true);
/* We want receive timestamps. */
sock_enable_timestamps(usk);

6
net/rxrpc/output.c
View File

@ -494,14 +494,12 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb)
switch (conn->local->srx.transport.family) {
case AF_INET6:
case AF_INET:
ip_sock_set_mtu_discover(conn->local->socket->sk,
IP_PMTUDISC_DONT);
rxrpc_local_dont_fragment(conn->local, false);
rxrpc_inc_stat(call->rxnet, stat_tx_data_send_frag);
ret = do_udp_sendmsg(conn->local->socket, &msg, len);
conn->peer->last_tx_at = ktime_get_seconds();
ip_sock_set_mtu_discover(conn->local->socket->sk,
IP_PMTUDISC_DO);
rxrpc_local_dont_fragment(conn->local, true);
break;
default:

2
net/rxrpc/rxkad.c
View File

@ -724,7 +724,9 @@ static int rxkad_send_response(struct rxrpc_connection *conn,
serial = atomic_inc_return(&conn->serial);
whdr.serial = htonl(serial);
rxrpc_local_dont_fragment(conn->local, false);
ret = kernel_sendmsg(conn->local->socket, &msg, iov, 3, len);
rxrpc_local_dont_fragment(conn->local, true);
if (ret < 0) {
trace_rxrpc_tx_fail(conn->debug_id, serial, ret,
rxrpc_tx_point_rxkad_response);

12
net/sched/cls_api.c
View File

@ -1424,6 +1424,14 @@ static void tcf_block_owner_del(struct tcf_block *block,
WARN_ON(1);
}
static bool tcf_block_tracks_dev(struct tcf_block *block,
struct tcf_block_ext_info *ei)
{
return tcf_block_shared(block) &&
(ei->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS ||
ei->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS);
}
int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q,
struct tcf_block_ext_info *ei,
struct netlink_ext_ack *extack)
@ -1462,7 +1470,7 @@ int tcf_block_get_ext(struct tcf_block **p_block, struct Qdisc *q,
if (err)
goto err_block_offload_bind;
if (tcf_block_shared(block)) {
if (tcf_block_tracks_dev(block, ei)) {
err = xa_insert(&block->ports, dev->ifindex, dev, GFP_KERNEL);
if (err) {
NL_SET_ERR_MSG(extack, "block dev insert failed");
@ -1516,7 +1524,7 @@ void tcf_block_put_ext(struct tcf_block *block, struct Qdisc *q,
if (!block)
return;
if (tcf_block_shared(block))
if (tcf_block_tracks_dev(block, ei))
xa_erase(&block->ports, dev->ifindex);
tcf_chain0_head_change_cb_del(block, ei);
tcf_block_owner_del(block, q, ei->binder_type);

1
net/sunrpc/auth_gss/auth_gss.c
View File

@ -2280,6 +2280,7 @@ static void __exit exit_rpcsec_gss(void)
}
MODULE_ALIAS("rpc-auth-6");
MODULE_DESCRIPTION("Sun RPC Kerberos RPCSEC_GSS client authentication");
MODULE_LICENSE("GPL");
module_param_named(expired_cred_retry_delay,
gss_expired_cred_retry_delay,

1
net/sunrpc/auth_gss/gss_krb5_mech.c
View File

@ -650,6 +650,7 @@ static void __exit cleanup_kerberos_module(void)
gss_mech_unregister(&gss_kerberos_mech);
}
MODULE_DESCRIPTION("Sun RPC Kerberos 5 module");
MODULE_LICENSE("GPL");
module_init(init_kerberos_module);
module_exit(cleanup_kerberos_module);

1
net/sunrpc/sunrpc_syms.c
View File

@ -148,6 +148,7 @@ cleanup_sunrpc(void)
#endif
rcu_barrier(); /* Wait for completion of call_rcu()'s */
}
MODULE_DESCRIPTION("Sun RPC core");
MODULE_LICENSE("GPL");
fs_initcall(init_sunrpc); /* Ensure we're initialised before nfs */
module_exit(cleanup_sunrpc);

6
net/tls/tls_sw.c
View File

@ -1052,7 +1052,11 @@ static int tls_sw_sendmsg_locked(struct sock *sk, struct msghdr *msg,
if (ret < 0)
goto send_end;
tls_ctx->pending_open_record_frags = true;
if (full_record || eor || sk_msg_full(msg_pl))
if (sk_msg_full(msg_pl))
full_record = true;
if (full_record || eor)
goto copied;
continue;
}

142
tools/lib/bpf/libbpf.c
View File

@ -6695,6 +6695,67 @@ static struct {
/* all other program types don't have "named" context structs */
};
static bool need_func_arg_type_fixup(const struct btf *btf, const struct bpf_program *prog,
const char *subprog_name, int arg_idx,
int arg_type_id, const char *ctx_name)
{
const struct btf_type *t;
const char *tname;
/* check if existing parameter already matches verifier expectations */
t = skip_mods_and_typedefs(btf, arg_type_id, NULL);
if (!btf_is_ptr(t))
goto out_warn;
/* typedef bpf_user_pt_regs_t is a special PITA case, valid for kprobe
* and perf_event programs, so check this case early on and forget
* about it for subsequent checks
*/
while (btf_is_mod(t))
t = btf__type_by_id(btf, t->type);
if (btf_is_typedef(t) &&
(prog->type == BPF_PROG_TYPE_KPROBE || prog->type == BPF_PROG_TYPE_PERF_EVENT)) {
tname = btf__str_by_offset(btf, t->name_off) ?: "<anon>";
if (strcmp(tname, "bpf_user_pt_regs_t") == 0)
return false; /* canonical type for kprobe/perf_event */
}
/* now we can ignore typedefs moving forward */
t = skip_mods_and_typedefs(btf, t->type, NULL);
/* if it's `void *`, definitely fix up BTF info */
if (btf_is_void(t))
return true;
/* if it's already proper canonical type, no need to fix up */
tname = btf__str_by_offset(btf, t->name_off) ?: "<anon>";
if (btf_is_struct(t) && strcmp(tname, ctx_name) == 0)
return false;
/* special cases */
switch (prog->type) {
case BPF_PROG_TYPE_KPROBE:
case BPF_PROG_TYPE_PERF_EVENT:
/* `struct pt_regs *` is expected, but we need to fix up */
if (btf_is_struct(t) && strcmp(tname, "pt_regs") == 0)
return true;
break;
case BPF_PROG_TYPE_RAW_TRACEPOINT:
case BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE:
/* allow u64* as ctx */
if (btf_is_int(t) && t->size == 8)
return true;
break;
default:
break;
}
out_warn:
pr_warn("prog '%s': subprog '%s' arg#%d is expected to be of `struct %s *` type\n",
prog->name, subprog_name, arg_idx, ctx_name);
return false;
}
static int clone_func_btf_info(struct btf *btf, int orig_fn_id, struct bpf_program *prog)
{
int fn_id, fn_proto_id, ret_type_id, orig_proto_id;
@ -6757,6 +6818,69 @@ static int clone_func_btf_info(struct btf *btf, int orig_fn_id, struct bpf_progr
return fn_id;
}
static int probe_kern_arg_ctx_tag(void)
{
/* To minimize merge conflicts with BPF token series that refactors
* feature detection code a lot, we don't integrate
* probe_kern_arg_ctx_tag() into kernel_supports() feature-detection
* framework yet, doing our own caching internally.
* This will be cleaned up a bit later when bpf/bpf-next trees settle.
*/
static int cached_result = -1;
static const char strs[] = "\0a\0b\0arg:ctx\0";
const __u32 types[] = {
/* [1] INT */
BTF_TYPE_INT_ENC(1 /* "a" */, BTF_INT_SIGNED, 0, 32, 4),
/* [2] PTR -> VOID */
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0),
/* [3] FUNC_PROTO `int(void *a)` */
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 1), 1),
BTF_PARAM_ENC(1 /* "a" */, 2),
/* [4] FUNC 'a' -> FUNC_PROTO (main prog) */
BTF_TYPE_ENC(1 /* "a" */, BTF_INFO_ENC(BTF_KIND_FUNC, 0, BTF_FUNC_GLOBAL), 3),
/* [5] FUNC_PROTO `int(void *b __arg_ctx)` */
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 1), 1),
BTF_PARAM_ENC(3 /* "b" */, 2),
/* [6] FUNC 'b' -> FUNC_PROTO (subprog) */
BTF_TYPE_ENC(3 /* "b" */, BTF_INFO_ENC(BTF_KIND_FUNC, 0, BTF_FUNC_GLOBAL), 5),
/* [7] DECL_TAG 'arg:ctx' -> func 'b' arg 'b' */
BTF_TYPE_DECL_TAG_ENC(5 /* "arg:ctx" */, 6, 0),
};
const struct bpf_insn insns[] = {
/* main prog */
BPF_CALL_REL(+1),
BPF_EXIT_INSN(),
/* global subprog */
BPF_EMIT_CALL(BPF_FUNC_get_func_ip), /* needs PTR_TO_CTX */
BPF_EXIT_INSN(),
};
const struct bpf_func_info_min func_infos[] = {
{ 0, 4 }, /* main prog -> FUNC 'a' */
{ 2, 6 }, /* subprog -> FUNC 'b' */
};
LIBBPF_OPTS(bpf_prog_load_opts, opts);
int prog_fd, btf_fd, insn_cnt = ARRAY_SIZE(insns);
if (cached_result >= 0)
return cached_result;
btf_fd = libbpf__load_raw_btf((char *)types, sizeof(types), strs, sizeof(strs));
if (btf_fd < 0)
return 0;
opts.prog_btf_fd = btf_fd;
opts.func_info = &func_infos;
opts.func_info_cnt = ARRAY_SIZE(func_infos);
opts.func_info_rec_size = sizeof(func_infos[0]);
prog_fd = bpf_prog_load(BPF_PROG_TYPE_KPROBE, "det_arg_ctx",
"GPL", insns, insn_cnt, &opts);
close(btf_fd);
cached_result = probe_fd(prog_fd);
return cached_result;
}
/* Check if main program or global subprog's function prototype has `arg:ctx`
* argument tags, and, if necessary, substitute correct type to match what BPF
* verifier would expect, taking into account specific program type. This
@ -6766,7 +6890,7 @@ static int clone_func_btf_info(struct btf *btf, int orig_fn_id, struct bpf_progr
*/
static int bpf_program_fixup_func_info(struct bpf_object *obj, struct bpf_program *prog)
{
const char *ctx_name = NULL, *ctx_tag = "arg:ctx";
const char *ctx_name = NULL, *ctx_tag = "arg:ctx", *fn_name;
struct bpf_func_info_min *func_rec;
struct btf_type *fn_t, *fn_proto_t;
struct btf *btf = obj->btf;
@ -6780,6 +6904,10 @@ static int bpf_program_fixup_func_info(struct bpf_object *obj, struct bpf_progra
if (!obj->btf_ext || !prog->func_info)
return 0;
/* don't do any fix ups if kernel natively supports __arg_ctx */
if (probe_kern_arg_ctx_tag() > 0)
return 0;
/* some BPF program types just don't have named context structs, so
* this fallback mechanism doesn't work for them
*/
@ -6842,15 +6970,11 @@ static int bpf_program_fixup_func_info(struct bpf_object *obj, struct bpf_progra
if (arg_idx < 0 || arg_idx >= arg_cnt)
continue;
/* check if existing parameter already matches verifier expectations */
/* check if we should fix up argument type */
p = &btf_params(fn_proto_t)[arg_idx];
t = skip_mods_and_typedefs(btf, p->type, NULL);
if (btf_is_ptr(t) &&
(t = skip_mods_and_typedefs(btf, t->type, NULL)) &&
btf_is_struct(t) &&
strcmp(btf__str_by_offset(btf, t->name_off), ctx_name) == 0) {
continue; /* no need for fix up */
}
fn_name = btf__str_by_offset(btf, fn_t->name_off) ?: "<anon>";
if (!need_func_arg_type_fixup(btf, prog, fn_name, arg_idx, p->type, ctx_name))
continue;
/* clone fn/fn_proto, unless we already did it for another arg */
if (func_rec->type_id == orig_fn_id) {

135
tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c Normal file
View File

@ -0,0 +1,135 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2024 Meta
#include <test_progs.h>
#include "network_helpers.h"
#include "sock_iter_batch.skel.h"
#define TEST_NS "sock_iter_batch_netns"
static const int nr_soreuse = 4;
static void do_test(int sock_type, bool onebyone)
{
int err, i, nread, to_read, total_read, iter_fd = -1;
int first_idx, second_idx, indices[nr_soreuse];
struct bpf_link *link = NULL;
struct sock_iter_batch *skel;
int *fds[2] = {};
skel = sock_iter_batch__open();
if (!ASSERT_OK_PTR(skel, "sock_iter_batch__open"))
return;
/* Prepare 2 buckets of sockets in the kernel hashtable */
for (i = 0; i < ARRAY_SIZE(fds); i++) {
int local_port;
fds[i] = start_reuseport_server(AF_INET6, sock_type, "::1", 0, 0,
nr_soreuse);
if (!ASSERT_OK_PTR(fds[i], "start_reuseport_server"))
goto done;
local_port = get_socket_local_port(*fds[i]);
if (!ASSERT_GE(local_port, 0, "get_socket_local_port"))
goto done;
skel->rodata->ports[i] = ntohs(local_port);
}
err = sock_iter_batch__load(skel);
if (!ASSERT_OK(err, "sock_iter_batch__load"))
goto done;
link = bpf_program__attach_iter(sock_type == SOCK_STREAM ?
skel->progs.iter_tcp_soreuse :
skel->progs.iter_udp_soreuse,
NULL);
if (!ASSERT_OK_PTR(link, "bpf_program__attach_iter"))
goto done;
iter_fd = bpf_iter_create(bpf_link__fd(link));
if (!ASSERT_GE(iter_fd, 0, "bpf_iter_create"))
goto done;
/* Test reading a bucket (either from fds[0] or fds[1]).
* Only read "nr_soreuse - 1" number of sockets
* from a bucket and leave one socket out from
* that bucket on purpose.
*/
to_read = (nr_soreuse - 1) * sizeof(*indices);
total_read = 0;
first_idx = -1;
do {
nread = read(iter_fd, indices, onebyone ? sizeof(*indices) : to_read);
if (nread <= 0 || nread % sizeof(*indices))
break;
total_read += nread;
if (first_idx == -1)
first_idx = indices[0];
for (i = 0; i < nread / sizeof(*indices); i++)
ASSERT_EQ(indices[i], first_idx, "first_idx");
} while (total_read < to_read);
ASSERT_EQ(nread, onebyone ? sizeof(*indices) : to_read, "nread");
ASSERT_EQ(total_read, to_read, "total_read");
free_fds(fds[first_idx], nr_soreuse);
fds[first_idx] = NULL;
/* Read the "whole" second bucket */
to_read = nr_soreuse * sizeof(*indices);
total_read = 0;
second_idx = !first_idx;
do {
nread = read(iter_fd, indices, onebyone ? sizeof(*indices) : to_read);
if (nread <= 0 || nread % sizeof(*indices))
break;
total_read += nread;
for (i = 0; i < nread / sizeof(*indices); i++)
ASSERT_EQ(indices[i], second_idx, "second_idx");
} while (total_read <= to_read);
ASSERT_EQ(nread, 0, "nread");
/* Both so_reuseport ports should be in different buckets, so
* total_read must equal to the expected to_read.
*
* For a very unlikely case, both ports collide at the same bucket,
* the bucket offset (i.e. 3) will be skipped and it cannot
* expect the to_read number of bytes.
*/
if (skel->bss->bucket[0] != skel->bss->bucket[1])
ASSERT_EQ(total_read, to_read, "total_read");
done:
for (i = 0; i < ARRAY_SIZE(fds); i++)
free_fds(fds[i], nr_soreuse);
if (iter_fd < 0)
close(iter_fd);
bpf_link__destroy(link);
sock_iter_batch__destroy(skel);
}
void test_sock_iter_batch(void)
{
struct nstoken *nstoken = NULL;
SYS_NOFAIL("ip netns del " TEST_NS " &> /dev/null");
SYS(done, "ip netns add %s", TEST_NS);
SYS(done, "ip -net %s link set dev lo up", TEST_NS);
nstoken = open_netns(TEST_NS);
if (!ASSERT_OK_PTR(nstoken, "open_netns"))
goto done;
if (test__start_subtest("tcp")) {
do_test(SOCK_STREAM, true);
do_test(SOCK_STREAM, false);
}
if (test__start_subtest("udp")) {
do_test(SOCK_DGRAM, true);
do_test(SOCK_DGRAM, false);
}
close_netns(nstoken);
done:
SYS_NOFAIL("ip netns del " TEST_NS " &> /dev/null");
}

13
tools/testing/selftests/bpf/prog_tests/test_global_funcs.c
View File

@ -47,6 +47,19 @@ static void subtest_ctx_arg_rewrite(void)
struct btf *btf = NULL;
__u32 info_len = sizeof(info);
int err, fd, i;
struct btf *kern_btf = NULL;
kern_btf = btf__load_vmlinux_btf();
if (!ASSERT_OK_PTR(kern_btf, "kern_btf_load"))
return;
/* simple detection of kernel native arg:ctx tag support */
if (btf__find_by_name_kind(kern_btf, "bpf_subprog_arg_info", BTF_KIND_STRUCT) > 0) {
test__skip();
btf__free(kern_btf);
return;
}
btf__free(kern_btf);
skel = test_global_func_ctx_args__open();
if (!ASSERT_OK_PTR(skel, "skel_open"))

3
tools/testing/selftests/bpf/progs/bpf_tracing_net.h
View File

@ -72,6 +72,8 @@
#define inet_rcv_saddr sk.__sk_common.skc_rcv_saddr
#define inet_dport sk.__sk_common.skc_dport
#define udp_portaddr_hash inet.sk.__sk_common.skc_u16hashes[1]
#define ir_loc_addr req.__req_common.skc_rcv_saddr
#define ir_num req.__req_common.skc_num
#define ir_rmt_addr req.__req_common.skc_daddr
@ -85,6 +87,7 @@
#define sk_rmem_alloc sk_backlog.rmem_alloc
#define sk_refcnt __sk_common.skc_refcnt
#define sk_state __sk_common.skc_state
#define sk_net __sk_common.skc_net
#define sk_v6_daddr __sk_common.skc_v6_daddr
#define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr
#define sk_flags __sk_common.skc_flags

91
tools/testing/selftests/bpf/progs/sock_iter_batch.c Normal file
View File

@ -0,0 +1,91 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2024 Meta
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_core_read.h>
#include <bpf/bpf_endian.h>
#include "bpf_tracing_net.h"
#include "bpf_kfuncs.h"
#define ATTR __always_inline
#include "test_jhash.h"
static bool ipv6_addr_loopback(const struct in6_addr *a)
{
return (a->s6_addr32[0] | a->s6_addr32[1] |
a->s6_addr32[2] | (a->s6_addr32[3] ^ bpf_htonl(1))) == 0;
}
volatile const __u16 ports[2];
unsigned int bucket[2];
SEC("iter/tcp")
int iter_tcp_soreuse(struct bpf_iter__tcp *ctx)
{
struct sock *sk = (struct sock *)ctx->sk_common;
struct inet_hashinfo *hinfo;
unsigned int hash;
struct net *net;
int idx;
if (!sk)
return 0;
sk = bpf_rdonly_cast(sk, bpf_core_type_id_kernel(struct sock));
if (sk->sk_family != AF_INET6 ||
sk->sk_state != TCP_LISTEN ||
!ipv6_addr_loopback(&sk->sk_v6_rcv_saddr))
return 0;
if (sk->sk_num == ports[0])
idx = 0;
else if (sk->sk_num == ports[1])
idx = 1;
else
return 0;
/* bucket selection as in inet_lhash2_bucket_sk() */
net = sk->sk_net.net;
hash = jhash2(sk->sk_v6_rcv_saddr.s6_addr32, 4, net->hash_mix);
hash ^= sk->sk_num;
hinfo = net->ipv4.tcp_death_row.hashinfo;
bucket[idx] = hash & hinfo->lhash2_mask;
bpf_seq_write(ctx->meta->seq, &idx, sizeof(idx));
return 0;
}
#define udp_sk(ptr) container_of(ptr, struct udp_sock, inet.sk)
SEC("iter/udp")
int iter_udp_soreuse(struct bpf_iter__udp *ctx)
{
struct sock *sk = (struct sock *)ctx->udp_sk;
struct udp_table *udptable;
int idx;
if (!sk)
return 0;
sk = bpf_rdonly_cast(sk, bpf_core_type_id_kernel(struct sock));
if (sk->sk_family != AF_INET6 ||
!ipv6_addr_loopback(&sk->sk_v6_rcv_saddr))
return 0;
if (sk->sk_num == ports[0])
idx = 0;
else if (sk->sk_num == ports[1])
idx = 1;
else
return 0;
/* bucket selection as in udp_hashslot2() */
udptable = sk->sk_net.net->ipv4.udp_table;
bucket[idx] = udp_sk(sk)->udp_portaddr_hash & udptable->mask;
bpf_seq_write(ctx->meta->seq, &idx, sizeof(idx));
return 0;
}
char _license[] SEC("license") = "GPL";

31
tools/testing/selftests/bpf/progs/test_jhash.h
View File

@ -69,3 +69,34 @@ u32 jhash(const void *key, u32 length, u32 initval)
return c;
}
static __always_inline u32 jhash2(const u32 *k, u32 length, u32 initval)
{
u32 a, b, c;
/* Set up the internal state */
a = b = c = JHASH_INITVAL + (length<<2) + initval;
/* Handle most of the key */
while (length > 3) {
a += k[0];
b += k[1];
c += k[2];
__jhash_mix(a, b, c);
length -= 3;
k += 3;
}
/* Handle the last 3 u32's */
switch (length) {
case 3: c += k[2];
case 2: b += k[1];
case 1: a += k[0];
__jhash_final(a, b, c);
break;
case 0: /* Nothing left to add */
break;
}
return c;
}

164
tools/testing/selftests/bpf/progs/verifier_global_subprogs.c
View File

@ -3,6 +3,7 @@
#include <vmlinux.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include "bpf_misc.h"
#include "xdp_metadata.h"
#include "bpf_kfuncs.h"
@ -138,25 +139,182 @@ __weak int subprog_ctx_tag(void *ctx __arg_ctx)
return bpf_get_stack(ctx, stack, sizeof(stack), 0);
}
__weak int raw_tp_canonical(struct bpf_raw_tracepoint_args *ctx __arg_ctx)
{
return 0;
}
__weak int raw_tp_u64_array(u64 *ctx __arg_ctx)
{
return 0;
}
SEC("?raw_tp")
__success __log_level(2)
int arg_tag_ctx_raw_tp(void *ctx)
{
return subprog_ctx_tag(ctx);
return subprog_ctx_tag(ctx) + raw_tp_canonical(ctx) + raw_tp_u64_array(ctx);
}
SEC("?raw_tp.w")
__success __log_level(2)
int arg_tag_ctx_raw_tp_writable(void *ctx)
{
return subprog_ctx_tag(ctx) + raw_tp_canonical(ctx) + raw_tp_u64_array(ctx);
}
SEC("?tp_btf/sys_enter")
__success __log_level(2)
int arg_tag_ctx_raw_tp_btf(void *ctx)
{
return subprog_ctx_tag(ctx) + raw_tp_canonical(ctx) + raw_tp_u64_array(ctx);
}
struct whatever { };
__weak int tp_whatever(struct whatever *ctx __arg_ctx)
{
return 0;
}
SEC("?tp")
__success __log_level(2)
int arg_tag_ctx_tp(void *ctx)
{
return subprog_ctx_tag(ctx);
return subprog_ctx_tag(ctx) + tp_whatever(ctx);
}
__weak int kprobe_subprog_pt_regs(struct pt_regs *ctx __arg_ctx)
{
return 0;
}
__weak int kprobe_subprog_typedef(bpf_user_pt_regs_t *ctx __arg_ctx)
{
return 0;
}
SEC("?kprobe")
__success __log_level(2)
int arg_tag_ctx_kprobe(void *ctx)
{
return subprog_ctx_tag(ctx);
return subprog_ctx_tag(ctx) +
kprobe_subprog_pt_regs(ctx) +
kprobe_subprog_typedef(ctx);
}
__weak int perf_subprog_regs(
#if defined(bpf_target_riscv)
struct user_regs_struct *ctx __arg_ctx
#elif defined(bpf_target_s390)
/* user_pt_regs typedef is anonymous struct, so only `void *` works */
void *ctx __arg_ctx
#elif defined(bpf_target_loongarch) || defined(bpf_target_arm64) || defined(bpf_target_powerpc)
struct user_pt_regs *ctx __arg_ctx
#else
struct pt_regs *ctx __arg_ctx
#endif
)
{
return 0;
}
__weak int perf_subprog_typedef(bpf_user_pt_regs_t *ctx __arg_ctx)
{
return 0;
}
__weak int perf_subprog_canonical(struct bpf_perf_event_data *ctx __arg_ctx)
{
return 0;
}
SEC("?perf_event")
__success __log_level(2)
int arg_tag_ctx_perf(void *ctx)
{
return subprog_ctx_tag(ctx) +
perf_subprog_regs(ctx) +
perf_subprog_typedef(ctx) +
perf_subprog_canonical(ctx);
}
__weak int iter_subprog_void(void *ctx __arg_ctx)
{
return 0;
}
__weak int iter_subprog_typed(struct bpf_iter__task *ctx __arg_ctx)
{
return 0;
}
SEC("?iter/task")
__success __log_level(2)
int arg_tag_ctx_iter_task(struct bpf_iter__task *ctx)
{
return (iter_subprog_void(ctx) + iter_subprog_typed(ctx)) & 1;
}
__weak int tracing_subprog_void(void *ctx __arg_ctx)
{
return 0;
}
__weak int tracing_subprog_u64(u64 *ctx __arg_ctx)
{
return 0;
}
int acc;
SEC("?fentry/" SYS_PREFIX "sys_nanosleep")
__success __log_level(2)
int BPF_PROG(arg_tag_ctx_fentry)
{
acc += tracing_subprog_void(ctx) + tracing_subprog_u64(ctx);
return 0;
}
SEC("?fexit/" SYS_PREFIX "sys_nanosleep")
__success __log_level(2)
int BPF_PROG(arg_tag_ctx_fexit)
{
acc += tracing_subprog_void(ctx) + tracing_subprog_u64(ctx);
return 0;
}
SEC("?fmod_ret/" SYS_PREFIX "sys_nanosleep")
__success __log_level(2)
int BPF_PROG(arg_tag_ctx_fmod_ret)
{
return tracing_subprog_void(ctx) + tracing_subprog_u64(ctx);
}
SEC("?lsm/bpf")
__success __log_level(2)
int BPF_PROG(arg_tag_ctx_lsm)
{
return tracing_subprog_void(ctx) + tracing_subprog_u64(ctx);
}
SEC("?struct_ops/test_1")
__success __log_level(2)
int BPF_PROG(arg_tag_ctx_struct_ops)
{
return tracing_subprog_void(ctx) + tracing_subprog_u64(ctx);
}
SEC(".struct_ops")
struct bpf_dummy_ops dummy_1 = {
.test_1 = (void *)arg_tag_ctx_struct_ops,
};
SEC("?syscall")
__success __log_level(2)
int arg_tag_ctx_syscall(void *ctx)
{
return tracing_subprog_void(ctx) + tracing_subprog_u64(ctx) + tp_whatever(ctx);
}
__weak int subprog_dynptr(struct bpf_dynptr *dptr)

19
tools/testing/selftests/bpf/progs/verifier_value_illegal_alu.c
View File

@ -146,4 +146,23 @@ l0_%=: exit; \
: __clobber_all);
}
SEC("flow_dissector")
__description("flow_keys illegal alu op with variable offset")
__failure __msg("R7 pointer arithmetic on flow_keys prohibited")
__naked void flow_keys_illegal_variable_offset_alu(void)
{
asm volatile(" \
r6 = r1; \
r7 = *(u64*)(r6 + %[flow_keys_off]); \
r8 = 8; \
r8 /= 1; \
r8 &= 8; \
r7 += r8; \
r0 = *(u64*)(r7 + 0); \
exit; \
" :
: __imm_const(flow_keys_off, offsetof(struct __sk_buff, flow_keys))
: __clobber_all);
}
char _license[] SEC("license") = "GPL";

8
tools/testing/selftests/drivers/net/bonding/config
View File

@ -1,2 +1,10 @@
CONFIG_BONDING=y
CONFIG_BRIDGE=y
CONFIG_DUMMY=y
CONFIG_IPV6=y
CONFIG_MACVLAN=y
CONFIG_NET_ACT_GACT=y
CONFIG_NET_CLS_FLOWER=y
CONFIG_NET_SCH_INGRESS=y
CONFIG_NLMON=y
CONFIG_VETH=y

2
tools/testing/selftests/drivers/net/bonding/mode-1-recovery-updelay.sh
View File

@ -1,4 +1,4 @@
#!/bin/sh
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Regression Test:

2
tools/testing/selftests/drivers/net/bonding/mode-2-recovery-updelay.sh
View File

@ -1,4 +1,4 @@
#!/bin/sh
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Regression Test:

19
tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh
View File

@ -40,7 +40,6 @@
# | + $swp1 $swp3 + + $swp4 |
# | | iPOOL1 iPOOL0 | | iPOOL2 |
# | | ePOOL4 ePOOL5 | | ePOOL4 |
# | | 1Gbps | | 1Gbps |
# | | PFC:enabled=1 | | PFC:enabled=1 |
# | +-|----------------------|-+ +-|------------------------+ |
# | | + $swp1.111 $swp3.111 + | | + $swp4.111 | |
@ -120,6 +119,9 @@ h2_destroy()
switch_create()
{
local lanes_swp4
local pg1_size
# pools
# -----
@ -229,7 +231,20 @@ switch_create()
dcb pfc set dev $swp4 prio-pfc all:off 1:on
# PG0 will get autoconfigured to Xoff, give PG1 arbitrarily 100K, which
# is (-2*MTU) about 80K of delay provision.
dcb buffer set dev $swp4 buffer-size all:0 1:$_100KB
pg1_size=$_100KB
setup_wait_dev_with_timeout $swp4
lanes_swp4=$(ethtool $swp4 | grep 'Lanes:')
lanes_swp4=${lanes_swp4#*"Lanes: "}
# 8-lane ports use two buffers among which the configured buffer
# is split, so double the size to get twice (20K + 80K).
if [[ $lanes_swp4 -eq 8 ]]; then
pg1_size=$((pg1_size * 2))
fi
dcb buffer set dev $swp4 buffer-size all:0 1:$pg1_size
# bridges
# -------

106
tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower.sh
View File

@ -10,7 +10,8 @@ lib_dir=$(dirname $0)/../../../../net/forwarding
ALL_TESTS="single_mask_test identical_filters_test two_masks_test \
multiple_masks_test ctcam_edge_cases_test delta_simple_test \
delta_two_masks_one_key_test delta_simple_rehash_test \
bloom_simple_test bloom_complex_test bloom_delta_test"
bloom_simple_test bloom_complex_test bloom_delta_test \
max_erp_entries_test max_group_size_test"
NUM_NETIFS=2
source $lib_dir/lib.sh
source $lib_dir/tc_common.sh
@ -983,6 +984,109 @@ bloom_delta_test()
log_test "bloom delta test ($tcflags)"
}
max_erp_entries_test()
{
# The number of eRP entries is limited. Once the maximum number of eRPs
# has been reached, filters cannot be added. This test verifies that
# when this limit is reached, inserstion fails without crashing.
RET=0
local num_masks=32
local num_regions=15
local chain_failed
local mask_failed
local ret
if [[ "$tcflags" != "skip_sw" ]]; then
return 0;
fi
for ((i=1; i < $num_regions; i++)); do
for ((j=$num_masks; j >= 0; j--)); do
tc filter add dev $h2 ingress chain $i protocol ip \
pref $i handle $j flower $tcflags \
dst_ip 192.1.0.0/$j &> /dev/null
ret=$?
if [ $ret -ne 0 ]; then
chain_failed=$i
mask_failed=$j
break 2
fi
done
done
# We expect to exceed the maximum number of eRP entries, so that
# insertion eventually fails. Otherwise, the test should be adjusted to
# add more filters.
check_fail $ret "expected to exceed number of eRP entries"
for ((; i >= 1; i--)); do
for ((j=0; j <= $num_masks; j++)); do
tc filter del dev $h2 ingress chain $i protocol ip \
pref $i handle $j flower &> /dev/null
done
done
log_test "max eRP entries test ($tcflags). " \
"max chain $chain_failed, mask $mask_failed"
}
max_group_size_test()
{
# The number of ACLs in an ACL group is limited. Once the maximum
# number of ACLs has been reached, filters cannot be added. This test
# verifies that when this limit is reached, insertion fails without
# crashing.
RET=0
local num_acls=32
local max_size
local ret
if [[ "$tcflags" != "skip_sw" ]]; then
return 0;
fi
for ((i=1; i < $num_acls; i++)); do
if [[ $(( i % 2 )) == 1 ]]; then
tc filter add dev $h2 ingress pref $i proto ipv4 \
flower $tcflags dst_ip 198.51.100.1/32 \
ip_proto tcp tcp_flags 0x01/0x01 \
action drop &> /dev/null
else
tc filter add dev $h2 ingress pref $i proto ipv6 \
flower $tcflags dst_ip 2001:db8:1::1/128 \
action drop &> /dev/null
fi
ret=$?
[[ $ret -ne 0 ]] && max_size=$((i - 1)) && break
done
# We expect to exceed the maximum number of ACLs in a group, so that
# insertion eventually fails. Otherwise, the test should be adjusted to
# add more filters.
check_fail $ret "expected to exceed number of ACLs in a group"
for ((; i >= 1; i--)); do
if [[ $(( i % 2 )) == 1 ]]; then
tc filter del dev $h2 ingress pref $i proto ipv4 \
flower $tcflags dst_ip 198.51.100.1/32 \
ip_proto tcp tcp_flags 0x01/0x01 \
action drop &> /dev/null
else
tc filter del dev $h2 ingress pref $i proto ipv6 \
flower $tcflags dst_ip 2001:db8:1::1/128 \
action drop &> /dev/null
fi
done
log_test "max ACL group size test ($tcflags). max size $max_size"
}
setup_prepare()
{
h1=${NETIFS[p1]}

10
tools/testing/selftests/drivers/net/netdevsim/config Normal file
View File

@ -0,0 +1,10 @@
CONFIG_DUMMY=y
CONFIG_GENEVE=m
CONFIG_IPV6=y
CONFIG_NETDEVSIM=m
CONFIG_NET_SCH_MQPRIO=y
CONFIG_NET_SCH_MULTIQ=y
CONFIG_NET_SCH_PRIO=y
CONFIG_PSAMPLE=y
CONFIG_PTP_1588_CLOCK_MOCK=y
CONFIG_VXLAN=m

1
tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh
View File

@ -51,6 +51,7 @@ function make_netdev {
fi
echo $NSIM_ID $@ > /sys/bus/netdevsim/new_device
udevadm settle
# get new device name
ls /sys/bus/netdevsim/devices/netdevsim${NSIM_ID}/net/
}

18
tools/testing/selftests/drivers/net/netdevsim/ethtool-fec.sh
View File

@ -8,16 +8,20 @@ NSIM_NETDEV=$(make_netdev)
set -o pipefail
# Since commit 2b3ddcb35357 ("ethtool: fec: Change the prompt ...")
# in ethtool CLI the Configured lines start with Supported/Configured.
configured=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2 | head -1 | cut -d' ' -f1)
# netdevsim starts out with None/None
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
check $? "$s" "Configured FEC encodings: None
check $? "$s" "$configured FEC encodings: None
Active FEC encoding: None"
# Test Auto
$ETHTOOL --set-fec $NSIM_NETDEV encoding auto
check $?
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
check $? "$s" "Configured FEC encodings: Auto
check $? "$s" "$configured FEC encodings: Auto
Active FEC encoding: Off"
# Test case in-sensitivity
@ -25,7 +29,7 @@ for o in off Off OFF; do
$ETHTOOL --set-fec $NSIM_NETDEV encoding $o
check $?
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
check $? "$s" "Configured FEC encodings: Off
check $? "$s" "$configured FEC encodings: Off
Active FEC encoding: Off"
done
@ -33,7 +37,7 @@ for o in BaseR baser BAser; do
$ETHTOOL --set-fec $NSIM_NETDEV encoding $o
check $?
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
check $? "$s" "Configured FEC encodings: BaseR
check $? "$s" "$configured FEC encodings: BaseR
Active FEC encoding: BaseR"
done
@ -41,7 +45,7 @@ for o in llrs rs; do
$ETHTOOL --set-fec $NSIM_NETDEV encoding $o
check $?
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
check $? "$s" "Configured FEC encodings: ${o^^}
check $? "$s" "$configured FEC encodings: ${o^^}
Active FEC encoding: ${o^^}"
done
@ -49,13 +53,13 @@ done
$ETHTOOL --set-fec $NSIM_NETDEV encoding rs llrs
check $?
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
check $? "$s" "Configured FEC encodings: RS LLRS
check $? "$s" "$configured FEC encodings: RS LLRS
Active FEC encoding: LLRS"
$ETHTOOL --set-fec $NSIM_NETDEV encoding rs off auto
check $?
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
check $? "$s" "Configured FEC encodings: Auto Off RS
check $? "$s" "$configured FEC encodings: Auto Off RS
Active FEC encoding: RS"
# Make sure other link modes are rejected

1
tools/testing/selftests/drivers/net/netdevsim/udp_tunnel_nic.sh
View File

@ -233,6 +233,7 @@ function print_tables {
function get_netdev_name {
local -n old=$1
udevadm settle
new=$(ls /sys/class/net)
for netdev in $new; do

0
tools/testing/selftests/net/forwarding/lib.sh Executable file → Normal file
View File

26
tools/testing/selftests/net/rtnetlink.sh
View File

@ -28,6 +28,7 @@ ALL_TESTS="
kci_test_neigh_get
kci_test_bridge_parent_id
kci_test_address_proto
kci_test_enslave_bonding
"
devdummy="test-dummy0"
@ -1241,6 +1242,31 @@ kci_test_address_proto()
return $ret
}
kci_test_enslave_bonding()
{
local bond="bond123"
local ret=0
setup_ns testns
if [ $? -ne 0 ]; then
end_test "SKIP bonding tests: cannot add net namespace $testns"
return $ksft_skip
fi
run_cmd ip -netns $testns link add dev $bond type bond mode balance-rr
run_cmd ip -netns $testns link add dev $devdummy type dummy
run_cmd ip -netns $testns link set dev $devdummy up
run_cmd ip -netns $testns link set dev $devdummy master $bond down
if [ $ret -ne 0 ]; then
end_test "FAIL: initially up interface added to a bond and set down"
ip netns del "$testns"
return 1
fi
end_test "PASS: enslave interface in a bond"
ip netns del "$testns"
}
kci_test_rtnl()
{
local current_test

4
tools/testing/selftests/net/tcp_ao/Makefile
View File

@ -52,5 +52,5 @@ $(OUTPUT)/%_ipv6: %.c
$(OUTPUT)/icmps-accept_ipv4: CFLAGS+= -DTEST_ICMPS_ACCEPT
$(OUTPUT)/icmps-accept_ipv6: CFLAGS+= -DTEST_ICMPS_ACCEPT
$(OUTPUT)/bench-lookups_ipv4: LDFLAGS+= -lm
$(OUTPUT)/bench-lookups_ipv6: LDFLAGS+= -lm
$(OUTPUT)/bench-lookups_ipv4: LDLIBS+= -lm
$(OUTPUT)/bench-lookups_ipv6: LDLIBS+= -lm

14
tools/testing/selftests/net/tls.c
View File

@ -707,6 +707,20 @@ TEST_F(tls, splice_from_pipe)
EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
}
TEST_F(tls, splice_more)
{
unsigned int f = SPLICE_F_NONBLOCK | SPLICE_F_MORE | SPLICE_F_GIFT;
int send_len = TLS_PAYLOAD_MAX_LEN;
char mem_send[TLS_PAYLOAD_MAX_LEN];
int i, send_pipe = 1;
int p[2];
ASSERT_GE(pipe(p), 0);
EXPECT_GE(write(p[1], mem_send, send_len), 0);
for (i = 0; i < 32; i++)
EXPECT_EQ(splice(p[0], NULL, self->fd, NULL, send_pipe, f), 1);
}
TEST_F(tls, splice_from_pipe2)
{
int send_len = 16000;