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WSL2-Linux-Kernel
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 

Pull networking fixes from David Miller:

 1) Fix crash on bpf_prog_load() errors, from Daniel Borkmann.

 2) Fix ATM VCC memory accounting, from David Woodhouse.

 3) fib6_info objects need RCU freeing, from Eric Dumazet.

 4) Fix SO_BINDTODEVICE handling for TCP sockets, from David Ahern.

 5) Fix clobbered error code in enic_open() failure path, from
    Govindarajulu Varadarajan.

 6) Propagate dev_get_valid_name() error returns properly, from Li
    RongQing.

 7) Fix suspend/resume in davinci_emac driver, from Bartosz Golaszewski.

 8) Various act_ife fixes (recursive locking, IDR leaks, etc.) from
    Davide Caratti.

 9) Fix buggy checksum handling in sungem driver, from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (40 commits)
  ip: limit use of gso_size to udp
  stmmac: fix DMA channel hang in half-duplex mode
  net: stmmac: socfpga: add additional ocp reset line for Stratix10
  net: sungem: fix rx checksum support
  bpfilter: ignore binary files
  bpfilter: fix build error
  net/usb/drivers: Remove useless hrtimer_active check
  net/sched: act_ife: preserve the action control in case of error
  net/sched: act_ife: fix recursive lock and idr leak
  net: ethernet: fix suspend/resume in davinci_emac
  net: propagate dev_get_valid_name return code
  enic: do not overwrite error code
  net/tcp: Fix socket lookups with SO_BINDTODEVICE
  ptp: replace getnstimeofday64() with ktime_get_real_ts64()
  net/ipv6: respect rcu grace period before freeing fib6_info
  net: net_failover: fix typo in net_failover_slave_register()
  ipvlan: use ETH_MAX_MTU as max mtu
  net: hamradio: use eth_broadcast_addr
  enic: initialize enic->rfs_h.lock in enic_probe
  MAINTAINERS: Add Sam as the maintainer for NCSI
  ...
This commit is contained in:
Linus Torvalds 2018-06-21 07:13:42 +09:00
Родитель 81e97f0137 9887cba199
Коммит d8894a08d9
53 изменённых файлов: 370 добавлений и 194 удалений
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5
MAINTAINERS
Просмотреть файл

@ -9751,6 +9751,11 @@ L: linux-scsi@vger.kernel.org
S: Maintained
F: drivers/scsi/NCR_D700.*
NCSI LIBRARY:
M: Samuel Mendoza-Jonas <sam@mendozajonas.com>
S: Maintained
F: net/ncsi/
NCT6775 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@roeck-us.net>
L: linux-hwmon@vger.kernel.org

2
drivers/bluetooth/hci_nokia.c
Просмотреть файл

@ -29,7 +29,7 @@
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/unaligned/le_struct.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>

3
drivers/net/ethernet/cisco/enic/enic_clsf.c
Просмотреть файл

@ -79,7 +79,6 @@ void enic_rfs_flw_tbl_init(struct enic *enic)
enic->rfs_h.max = enic->config.num_arfs;
enic->rfs_h.free = enic->rfs_h.max;
enic->rfs_h.toclean = 0;
enic_rfs_timer_start(enic);
}
void enic_rfs_flw_tbl_free(struct enic *enic)
@ -88,7 +87,6 @@ void enic_rfs_flw_tbl_free(struct enic *enic)
enic_rfs_timer_stop(enic);
spin_lock_bh(&enic->rfs_h.lock);
enic->rfs_h.free = 0;
for (i = 0; i < (1 << ENIC_RFS_FLW_BITSHIFT); i++) {
struct hlist_head *hhead;
struct hlist_node *tmp;
@ -99,6 +97,7 @@ void enic_rfs_flw_tbl_free(struct enic *enic)
enic_delfltr(enic, n->fltr_id);
hlist_del(&n->node);
kfree(n);
enic->rfs_h.free++;
}
}
spin_unlock_bh(&enic->rfs_h.lock);

12
drivers/net/ethernet/cisco/enic/enic_main.c
Просмотреть файл

@ -1920,7 +1920,7 @@ static int enic_open(struct net_device *netdev)
{
struct enic *enic = netdev_priv(netdev);
unsigned int i;
int err;
int err, ret;
err = enic_request_intr(enic);
if (err) {
@ -1971,16 +1971,15 @@ static int enic_open(struct net_device *netdev)
vnic_intr_unmask(&enic->intr[i]);
enic_notify_timer_start(enic);
enic_rfs_flw_tbl_init(enic);
enic_rfs_timer_start(enic);
return 0;
err_out_free_rq:
for (i = 0; i < enic->rq_count; i++) {
err = vnic_rq_disable(&enic->rq[i]);
if (err)
return err;
vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
ret = vnic_rq_disable(&enic->rq[i]);
if (!ret)
vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
}
enic_dev_notify_unset(enic);
err_out_free_intr:
@ -2904,6 +2903,7 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
timer_setup(&enic->notify_timer, enic_notify_timer, 0);
enic_rfs_flw_tbl_init(enic);
enic_set_rx_coal_setting(enic);
INIT_WORK(&enic->reset, enic_reset);
INIT_WORK(&enic->tx_hang_reset, enic_tx_hang_reset);

4
drivers/net/ethernet/faraday/ftgmac100.c
Просмотреть файл

@ -1735,8 +1735,8 @@ static void ftgmac100_ncsi_handler(struct ncsi_dev *nd)
if (unlikely(nd->state != ncsi_dev_state_functional))
return;
netdev_info(nd->dev, "NCSI interface %s\n",
nd->link_up ? "up" : "down");
netdev_dbg(nd->dev, "NCSI interface %s\n",
nd->link_up ? "up" : "down");
}
static void ftgmac100_setup_clk(struct ftgmac100 *priv)

7
drivers/net/ethernet/intel/i40e/i40e_txrx.c
Просмотреть файл

@ -2103,9 +2103,8 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
unsigned int truesize = i40e_rx_pg_size(rx_ring) / 2;
#else
unsigned int truesize = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) +
SKB_DATA_ALIGN(I40E_SKB_PAD +
(xdp->data_end -
xdp->data_hard_start));
SKB_DATA_ALIGN(xdp->data_end -
xdp->data_hard_start);
#endif
struct sk_buff *skb;
@ -2124,7 +2123,7 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
return NULL;
/* update pointers within the skb to store the data */
skb_reserve(skb, I40E_SKB_PAD + (xdp->data - xdp->data_hard_start));
skb_reserve(skb, xdp->data - xdp->data_hard_start);
__skb_put(skb, xdp->data_end - xdp->data);
if (metasize)
skb_metadata_set(skb, metasize);

11
drivers/net/ethernet/qlogic/qed/qed_dcbx.c
Просмотреть файл

@ -255,9 +255,8 @@ qed_dcbx_get_app_protocol_type(struct qed_hwfn *p_hwfn,
*type = DCBX_PROTOCOL_ROCE_V2;
} else {
*type = DCBX_MAX_PROTOCOL_TYPE;
DP_ERR(p_hwfn,
"No action required, App TLV id = 0x%x app_prio_bitmap = 0x%x\n",
id, app_prio_bitmap);
DP_ERR(p_hwfn, "No action required, App TLV entry = 0x%x\n",
app_prio_bitmap);
return false;
}
@ -1479,8 +1478,8 @@ static u8 qed_dcbnl_getcap(struct qed_dev *cdev, int capid, u8 *cap)
*cap = 0x80;
break;
case DCB_CAP_ATTR_DCBX:
*cap = (DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE |
DCB_CAP_DCBX_VER_IEEE | DCB_CAP_DCBX_STATIC);
*cap = (DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_VER_IEEE |
DCB_CAP_DCBX_STATIC);
break;
default:
*cap = false;
@ -1548,8 +1547,6 @@ static u8 qed_dcbnl_getdcbx(struct qed_dev *cdev)
if (!dcbx_info)
return 0;
if (dcbx_info->operational.enabled)
mode |= DCB_CAP_DCBX_LLD_MANAGED;
if (dcbx_info->operational.ieee)
mode |= DCB_CAP_DCBX_VER_IEEE;
if (dcbx_info->operational.cee)

11
drivers/net/ethernet/qlogic/qed/qed_ll2.c
Просмотреть файл

@ -201,8 +201,9 @@ void qed_ll2b_complete_rx_packet(void *cxt, struct qed_ll2_comp_rx_data *data)
skb = build_skb(buffer->data, 0);
if (!skb) {
rc = -ENOMEM;
goto out_post;
DP_INFO(cdev, "Failed to build SKB\n");
kfree(buffer->data);
goto out_post1;
}
data->u.placement_offset += NET_SKB_PAD;
@ -224,8 +225,14 @@ void qed_ll2b_complete_rx_packet(void *cxt, struct qed_ll2_comp_rx_data *data)
cdev->ll2->cbs->rx_cb(cdev->ll2->cb_cookie, skb,
data->opaque_data_0,
data->opaque_data_1);
} else {
DP_VERBOSE(p_hwfn, (NETIF_MSG_RX_STATUS | NETIF_MSG_PKTDATA |
QED_MSG_LL2 | QED_MSG_STORAGE),
"Dropping the packet\n");
kfree(buffer->data);
}
out_post1:
/* Update Buffer information and update FW producer */
buffer->data = new_data;
buffer->phys_addr = new_phys_addr;

12
drivers/net/ethernet/qlogic/qed/qed_main.c
Просмотреть файл

@ -567,8 +567,16 @@ static irqreturn_t qed_single_int(int irq, void *dev_instance)
/* Fastpath interrupts */
for (j = 0; j < 64; j++) {
if ((0x2ULL << j) & status) {
hwfn->simd_proto_handler[j].func(
hwfn->simd_proto_handler[j].token);
struct qed_simd_fp_handler *p_handler =
&hwfn->simd_proto_handler[j];
if (p_handler->func)
p_handler->func(p_handler->token);
else
DP_NOTICE(hwfn,
"Not calling fastpath handler as it is NULL [handler #%d, status 0x%llx]\n",
j, status);
status &= ~(0x2ULL << j);
rc = IRQ_HANDLED;
}

2
drivers/net/ethernet/stmicro/stmmac/Kconfig
Просмотреть файл

@ -111,7 +111,7 @@ config DWMAC_ROCKCHIP
config DWMAC_SOCFPGA
tristate "SOCFPGA dwmac support"
default ARCH_SOCFPGA
depends on OF && (ARCH_SOCFPGA || COMPILE_TEST)
depends on OF && (ARCH_SOCFPGA || ARCH_STRATIX10 || COMPILE_TEST)
select MFD_SYSCON
help
Support for ethernet controller on Altera SOCFPGA

18
drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
Просмотреть файл

@ -55,6 +55,7 @@ struct socfpga_dwmac {
struct device *dev;
struct regmap *sys_mgr_base_addr;
struct reset_control *stmmac_rst;
struct reset_control *stmmac_ocp_rst;
void __iomem *splitter_base;
bool f2h_ptp_ref_clk;
struct tse_pcs pcs;
@ -262,8 +263,8 @@ static int socfpga_dwmac_set_phy_mode(struct socfpga_dwmac *dwmac)
val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII;
/* Assert reset to the enet controller before changing the phy mode */
if (dwmac->stmmac_rst)
reset_control_assert(dwmac->stmmac_rst);
reset_control_assert(dwmac->stmmac_ocp_rst);
reset_control_assert(dwmac->stmmac_rst);
regmap_read(sys_mgr_base_addr, reg_offset, &ctrl);
ctrl &= ~(SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << reg_shift);
@ -288,8 +289,8 @@ static int socfpga_dwmac_set_phy_mode(struct socfpga_dwmac *dwmac)
/* Deassert reset for the phy configuration to be sampled by
* the enet controller, and operation to start in requested mode
*/
if (dwmac->stmmac_rst)
reset_control_deassert(dwmac->stmmac_rst);
reset_control_deassert(dwmac->stmmac_ocp_rst);
reset_control_deassert(dwmac->stmmac_rst);
if (phymode == PHY_INTERFACE_MODE_SGMII) {
if (tse_pcs_init(dwmac->pcs.tse_pcs_base, &dwmac->pcs) != 0) {
dev_err(dwmac->dev, "Unable to initialize TSE PCS");
@ -324,6 +325,15 @@ static int socfpga_dwmac_probe(struct platform_device *pdev)
goto err_remove_config_dt;
}
dwmac->stmmac_ocp_rst = devm_reset_control_get_optional(dev, "stmmaceth-ocp");
if (IS_ERR(dwmac->stmmac_ocp_rst)) {
ret = PTR_ERR(dwmac->stmmac_ocp_rst);
dev_err(dev, "error getting reset control of ocp %d\n", ret);
goto err_remove_config_dt;
}
reset_control_deassert(dwmac->stmmac_ocp_rst);
ret = socfpga_dwmac_parse_data(dwmac, dev);
if (ret) {
dev_err(dev, "Unable to parse OF data\n");

10
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
Просмотреть файл

@ -928,6 +928,7 @@ static void stmmac_check_pcs_mode(struct stmmac_priv *priv)
static int stmmac_init_phy(struct net_device *dev)
{
struct stmmac_priv *priv = netdev_priv(dev);
u32 tx_cnt = priv->plat->tx_queues_to_use;
struct phy_device *phydev;
char phy_id_fmt[MII_BUS_ID_SIZE + 3];
char bus_id[MII_BUS_ID_SIZE];
@ -968,6 +969,15 @@ static int stmmac_init_phy(struct net_device *dev)
phydev->advertising &= ~(SUPPORTED_1000baseT_Half |
SUPPORTED_1000baseT_Full);
/*
* Half-duplex mode not supported with multiqueue
* half-duplex can only works with single queue
*/
if (tx_cnt > 1)
phydev->supported &= ~(SUPPORTED_1000baseT_Half |
SUPPORTED_100baseT_Half |
SUPPORTED_10baseT_Half);
/*
* Broken HW is sometimes missing the pull-up resistor on the
* MDIO line, which results in reads to non-existent devices returning

22
drivers/net/ethernet/sun/sungem.c
Просмотреть файл

@ -60,8 +60,7 @@
#include <linux/sungem_phy.h>
#include "sungem.h"
/* Stripping FCS is causing problems, disabled for now */
#undef STRIP_FCS
#define STRIP_FCS
#define DEFAULT_MSG (NETIF_MSG_DRV | \
NETIF_MSG_PROBE | \
@ -435,7 +434,7 @@ static int gem_rxmac_reset(struct gem *gp)
writel(desc_dma & 0xffffffff, gp->regs + RXDMA_DBLOW);
writel(RX_RING_SIZE - 4, gp->regs + RXDMA_KICK);
val = (RXDMA_CFG_BASE | (RX_OFFSET << 10) |
((14 / 2) << 13) | RXDMA_CFG_FTHRESH_128);
(ETH_HLEN << 13) | RXDMA_CFG_FTHRESH_128);
writel(val, gp->regs + RXDMA_CFG);
if (readl(gp->regs + GREG_BIFCFG) & GREG_BIFCFG_M66EN)
writel(((5 & RXDMA_BLANK_IPKTS) |
@ -760,7 +759,6 @@ static int gem_rx(struct gem *gp, int work_to_do)
struct net_device *dev = gp->dev;
int entry, drops, work_done = 0;
u32 done;
__sum16 csum;
if (netif_msg_rx_status(gp))
printk(KERN_DEBUG "%s: rx interrupt, done: %d, rx_new: %d\n",
@ -855,9 +853,13 @@ static int gem_rx(struct gem *gp, int work_to_do)
skb = copy_skb;
}
csum = (__force __sum16)htons((status & RXDCTRL_TCPCSUM) ^ 0xffff);
skb->csum = csum_unfold(csum);
skb->ip_summed = CHECKSUM_COMPLETE;
if (likely(dev->features & NETIF_F_RXCSUM)) {
__sum16 csum;
csum = (__force __sum16)htons((status & RXDCTRL_TCPCSUM) ^ 0xffff);
skb->csum = csum_unfold(csum);
skb->ip_summed = CHECKSUM_COMPLETE;
}
skb->protocol = eth_type_trans(skb, gp->dev);
napi_gro_receive(&gp->napi, skb);
@ -1761,7 +1763,7 @@ static void gem_init_dma(struct gem *gp)
writel(0, gp->regs + TXDMA_KICK);
val = (RXDMA_CFG_BASE | (RX_OFFSET << 10) |
((14 / 2) << 13) | RXDMA_CFG_FTHRESH_128);
(ETH_HLEN << 13) | RXDMA_CFG_FTHRESH_128);
writel(val, gp->regs + RXDMA_CFG);
writel(desc_dma >> 32, gp->regs + RXDMA_DBHI);
@ -2985,8 +2987,8 @@ static int gem_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_set_drvdata(pdev, dev);
/* We can do scatter/gather and HW checksum */
dev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM;
dev->features |= dev->hw_features | NETIF_F_RXCSUM;
dev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
dev->features = dev->hw_features;
if (pci_using_dac)
dev->features |= NETIF_F_HIGHDMA;

15
drivers/net/ethernet/ti/davinci_emac.c
Просмотреть файл

@ -1385,6 +1385,11 @@ static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd)
return -EOPNOTSUPP;
}
static int match_first_device(struct device *dev, void *data)
{
return !strncmp(dev_name(dev), "davinci_mdio", 12);
}
/**
* emac_dev_open - EMAC device open
* @ndev: The DaVinci EMAC network adapter
@ -1484,8 +1489,14 @@ static int emac_dev_open(struct net_device *ndev)
/* use the first phy on the bus if pdata did not give us a phy id */
if (!phydev && !priv->phy_id) {
phy = bus_find_device_by_name(&mdio_bus_type, NULL,
"davinci_mdio");
/* NOTE: we can't use bus_find_device_by_name() here because
* the device name is not guaranteed to be 'davinci_mdio'. On
* some systems it can be 'davinci_mdio.0' so we need to use
* strncmp() against the first part of the string to correctly
* match it.
*/
phy = bus_find_device(&mdio_bus_type, NULL, NULL,
match_first_device);
if (phy) {
priv->phy_id = dev_name(phy);
if (!priv->phy_id || !*priv->phy_id)

8
drivers/net/hamradio/bpqether.c
Просмотреть файл

@ -89,10 +89,6 @@
static const char banner[] __initconst = KERN_INFO \
"AX.25: bpqether driver version 004\n";
static char bcast_addr[6]={0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
static char bpq_eth_addr[6];
static int bpq_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
static int bpq_device_event(struct notifier_block *, unsigned long, void *);
@ -501,8 +497,8 @@ static int bpq_new_device(struct net_device *edev)
bpq->ethdev = edev;
bpq->axdev = ndev;
memcpy(bpq->dest_addr, bcast_addr, sizeof(bpq_eth_addr));
memcpy(bpq->acpt_addr, bcast_addr, sizeof(bpq_eth_addr));
eth_broadcast_addr(bpq->dest_addr);
eth_broadcast_addr(bpq->acpt_addr);
err = register_netdevice(ndev);
if (err)

1
drivers/net/ipvlan/ipvlan_main.c
Просмотреть файл

@ -693,6 +693,7 @@ void ipvlan_link_setup(struct net_device *dev)
{
ether_setup(dev);
dev->max_mtu = ETH_MAX_MTU;
dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING);
dev->priv_flags |= IFF_UNICAST_FLT | IFF_NO_QUEUE;
dev->netdev_ops = &ipvlan_netdev_ops;

2
drivers/net/net_failover.c
Просмотреть файл

@ -527,7 +527,7 @@ static int net_failover_slave_register(struct net_device *slave_dev,
netif_addr_lock_bh(failover_dev);
dev_uc_sync_multiple(slave_dev, failover_dev);
dev_uc_sync_multiple(slave_dev, failover_dev);
dev_mc_sync_multiple(slave_dev, failover_dev);
netif_addr_unlock_bh(failover_dev);
err = vlan_vids_add_by_dev(slave_dev, failover_dev);

3
drivers/net/usb/cdc_ncm.c
Просмотреть файл

@ -967,8 +967,7 @@ void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf)
atomic_set(&ctx->stop, 1);
if (hrtimer_active(&ctx->tx_timer))
hrtimer_cancel(&ctx->tx_timer);
hrtimer_cancel(&ctx->tx_timer);
tasklet_kill(&ctx->bh);

4
drivers/ptp/ptp_chardev.c
Просмотреть файл

@ -221,7 +221,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
}
pct = &sysoff->ts[0];
for (i = 0; i < sysoff->n_samples; i++) {
getnstimeofday64(&ts);
ktime_get_real_ts64(&ts);
pct->sec = ts.tv_sec;
pct->nsec = ts.tv_nsec;
pct++;
@ -230,7 +230,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
pct->nsec = ts.tv_nsec;
pct++;
}
getnstimeofday64(&ts);
ktime_get_real_ts64(&ts);
pct->sec = ts.tv_sec;
pct->nsec = ts.tv_nsec;
if (copy_to_user((void __user *)arg, sysoff, sizeof(*sysoff)))

2
drivers/ptp/ptp_qoriq.c
Просмотреть файл

@ -374,7 +374,7 @@ static int qoriq_ptp_probe(struct platform_device *dev)
pr_err("ioremap ptp registers failed\n");
goto no_ioremap;
}
getnstimeofday64(&now);
ktime_get_real_ts64(&now);
ptp_qoriq_settime(&qoriq_ptp->caps, &now);
tmr_ctrl =

15
include/linux/atmdev.h
Просмотреть файл

@ -214,6 +214,7 @@ struct atmphy_ops {
struct atm_skb_data {
struct atm_vcc *vcc; /* ATM VCC */
unsigned long atm_options; /* ATM layer options */
unsigned int acct_truesize; /* truesize accounted to vcc */
};
#define VCC_HTABLE_SIZE 32
@ -241,6 +242,20 @@ void vcc_insert_socket(struct sock *sk);
void atm_dev_release_vccs(struct atm_dev *dev);
static inline void atm_account_tx(struct atm_vcc *vcc, struct sk_buff *skb)
{
/*
* Because ATM skbs may not belong to a sock (and we don't
* necessarily want to), skb->truesize may be adjusted,
* escaping the hack in pskb_expand_head() which avoids
* doing so for some cases. So stash the value of truesize
* at the time we accounted it, and atm_pop_raw() can use
* that value later, in case it changes.
*/
refcount_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
ATM_SKB(skb)->acct_truesize = skb->truesize;
ATM_SKB(skb)->atm_options = vcc->atm_options;
}
static inline void atm_force_charge(struct atm_vcc *vcc,int truesize)
{

12
include/linux/bpf.h
Просмотреть файл

@ -488,12 +488,15 @@ void bpf_patch_call_args(struct bpf_insn *insn, u32 stack_depth);
/* Map specifics */
struct xdp_buff;
struct sk_buff;
struct bpf_dtab_netdev *__dev_map_lookup_elem(struct bpf_map *map, u32 key);
void __dev_map_insert_ctx(struct bpf_map *map, u32 index);
void __dev_map_flush(struct bpf_map *map);
int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_buff *xdp,
struct net_device *dev_rx);
int dev_map_generic_redirect(struct bpf_dtab_netdev *dst, struct sk_buff *skb,
struct bpf_prog *xdp_prog);
struct bpf_cpu_map_entry *__cpu_map_lookup_elem(struct bpf_map *map, u32 key);
void __cpu_map_insert_ctx(struct bpf_map *map, u32 index);
@ -586,6 +589,15 @@ int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_buff *xdp,
return 0;
}
struct sk_buff;
static inline int dev_map_generic_redirect(struct bpf_dtab_netdev *dst,
struct sk_buff *skb,
struct bpf_prog *xdp_prog)
{
return 0;
}
static inline
struct bpf_cpu_map_entry *__cpu_map_lookup_elem(struct bpf_map *map, u32 key)
{

79
include/linux/filter.h
Просмотреть файл

@ -19,6 +19,7 @@
#include <linux/cryptohash.h>
#include <linux/set_memory.h>
#include <linux/kallsyms.h>
#include <linux/if_vlan.h>
#include <net/sch_generic.h>
@ -469,7 +470,8 @@ struct sock_fprog_kern {
};
struct bpf_binary_header {
unsigned int pages;
u16 pages;
u16 locked:1;
u8 image[];
};
@ -671,15 +673,18 @@ bpf_ctx_narrow_access_ok(u32 off, u32 size, u32 size_default)
#define bpf_classic_proglen(fprog) (fprog->len * sizeof(fprog->filter[0]))
#ifdef CONFIG_ARCH_HAS_SET_MEMORY
static inline void bpf_prog_lock_ro(struct bpf_prog *fp)
{
#ifdef CONFIG_ARCH_HAS_SET_MEMORY
fp->locked = 1;
WARN_ON_ONCE(set_memory_ro((unsigned long)fp, fp->pages));
if (set_memory_ro((unsigned long)fp, fp->pages))
fp->locked = 0;
#endif
}
static inline void bpf_prog_unlock_ro(struct bpf_prog *fp)
{
#ifdef CONFIG_ARCH_HAS_SET_MEMORY
if (fp->locked) {
WARN_ON_ONCE(set_memory_rw((unsigned long)fp, fp->pages));
/* In case set_memory_rw() fails, we want to be the first
@ -687,34 +692,30 @@ static inline void bpf_prog_unlock_ro(struct bpf_prog *fp)
*/
fp->locked = 0;
}
#endif
}
static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)
{
WARN_ON_ONCE(set_memory_ro((unsigned long)hdr, hdr->pages));
#ifdef CONFIG_ARCH_HAS_SET_MEMORY
hdr->locked = 1;
if (set_memory_ro((unsigned long)hdr, hdr->pages))
hdr->locked = 0;
#endif
}
static inline void bpf_jit_binary_unlock_ro(struct bpf_binary_header *hdr)
{
WARN_ON_ONCE(set_memory_rw((unsigned long)hdr, hdr->pages));
#ifdef CONFIG_ARCH_HAS_SET_MEMORY
if (hdr->locked) {
WARN_ON_ONCE(set_memory_rw((unsigned long)hdr, hdr->pages));
/* In case set_memory_rw() fails, we want to be the first
* to crash here instead of some random place later on.
*/
hdr->locked = 0;
}
#endif
}
#else
static inline void bpf_prog_lock_ro(struct bpf_prog *fp)
{
}
static inline void bpf_prog_unlock_ro(struct bpf_prog *fp)
{
}
static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)
{
}
static inline void bpf_jit_binary_unlock_ro(struct bpf_binary_header *hdr)
{
}
#endif /* CONFIG_ARCH_HAS_SET_MEMORY */
static inline struct bpf_binary_header *
bpf_jit_binary_hdr(const struct bpf_prog *fp)
@ -725,6 +726,22 @@ bpf_jit_binary_hdr(const struct bpf_prog *fp)
return (void *)addr;
}
#ifdef CONFIG_ARCH_HAS_SET_MEMORY
static inline int bpf_prog_check_pages_ro_single(const struct bpf_prog *fp)
{
if (!fp->locked)
return -ENOLCK;
if (fp->jited) {
const struct bpf_binary_header *hdr = bpf_jit_binary_hdr(fp);
if (!hdr->locked)
return -ENOLCK;
}
return 0;
}
#endif
int sk_filter_trim_cap(struct sock *sk, struct sk_buff *skb, unsigned int cap);
static inline int sk_filter(struct sock *sk, struct sk_buff *skb)
{
@ -786,6 +803,21 @@ static inline bool bpf_dump_raw_ok(void)
struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off,
const struct bpf_insn *patch, u32 len);
static inline int __xdp_generic_ok_fwd_dev(struct sk_buff *skb,
struct net_device *fwd)
{
unsigned int len;
if (unlikely(!(fwd->flags & IFF_UP)))
return -ENETDOWN;
len = fwd->mtu + fwd->hard_header_len + VLAN_HLEN;
if (skb->len > len)
return -EMSGSIZE;
return 0;
}
/* The pair of xdp_do_redirect and xdp_do_flush_map MUST be called in the
* same cpu context. Further for best results no more than a single map
* for the do_redirect/do_flush pair should be used. This limitation is
@ -961,6 +993,9 @@ static inline void bpf_prog_kallsyms_del(struct bpf_prog *fp)
}
#endif /* CONFIG_BPF_JIT */
void bpf_prog_kallsyms_del_subprogs(struct bpf_prog *fp);
void bpf_prog_kallsyms_del_all(struct bpf_prog *fp);
#define BPF_ANC BIT(15)
static inline bool bpf_needs_clear_a(const struct sock_filter *first)

5
include/net/ip6_fib.h
Просмотреть файл

@ -170,6 +170,7 @@ struct fib6_info {
unused:3;
struct fib6_nh fib6_nh;
struct rcu_head rcu;
};
struct rt6_info {
@ -273,7 +274,7 @@ static inline void ip6_rt_put(struct rt6_info *rt)
}
struct fib6_info *fib6_info_alloc(gfp_t gfp_flags);
void fib6_info_destroy(struct fib6_info *f6i);
void fib6_info_destroy_rcu(struct rcu_head *head);
static inline void fib6_info_hold(struct fib6_info *f6i)
{
@ -283,7 +284,7 @@ static inline void fib6_info_hold(struct fib6_info *f6i)
static inline void fib6_info_release(struct fib6_info *f6i)
{
if (f6i && atomic_dec_and_test(&f6i->fib6_ref))
fib6_info_destroy(f6i);
call_rcu(&f6i->rcu, fib6_info_destroy_rcu);
}
enum fib6_walk_state {

67
kernel/bpf/core.c
Просмотреть файл

@ -350,6 +350,20 @@ struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off,
return prog_adj;
}
void bpf_prog_kallsyms_del_subprogs(struct bpf_prog *fp)
{
int i;
for (i = 0; i < fp->aux->func_cnt; i++)
bpf_prog_kallsyms_del(fp->aux->func[i]);
}
void bpf_prog_kallsyms_del_all(struct bpf_prog *fp)
{
bpf_prog_kallsyms_del_subprogs(fp);
bpf_prog_kallsyms_del(fp);
}
#ifdef CONFIG_BPF_JIT
/* All BPF JIT sysctl knobs here. */
int bpf_jit_enable __read_mostly = IS_BUILTIN(CONFIG_BPF_JIT_ALWAYS_ON);
@ -584,6 +598,8 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
bpf_fill_ill_insns(hdr, size);
hdr->pages = size / PAGE_SIZE;
hdr->locked = 0;
hole = min_t(unsigned int, size - (proglen + sizeof(*hdr)),
PAGE_SIZE - sizeof(*hdr));
start = (get_random_int() % hole) & ~(alignment - 1);
@ -1434,6 +1450,33 @@ static int bpf_check_tail_call(const struct bpf_prog *fp)
return 0;
}
static int bpf_prog_check_pages_ro_locked(const struct bpf_prog *fp)
{
#ifdef CONFIG_ARCH_HAS_SET_MEMORY
int i, err;
for (i = 0; i < fp->aux->func_cnt; i++) {
err = bpf_prog_check_pages_ro_single(fp->aux->func[i]);
if (err)
return err;
}
return bpf_prog_check_pages_ro_single(fp);
#endif
return 0;
}
static void bpf_prog_select_func(struct bpf_prog *fp)
{
#ifndef CONFIG_BPF_JIT_ALWAYS_ON
u32 stack_depth = max_t(u32, fp->aux->stack_depth, 1);
fp->bpf_func = interpreters[(round_up(stack_depth, 32) / 32) - 1];
#else
fp->bpf_func = __bpf_prog_ret0_warn;
#endif
}
/**
* bpf_prog_select_runtime - select exec runtime for BPF program
* @fp: bpf_prog populated with internal BPF program
@ -1444,13 +1487,13 @@ static int bpf_check_tail_call(const struct bpf_prog *fp)
*/
struct bpf_prog *bpf_prog_select_runtime(struct bpf_prog *fp, int *err)
{
#ifndef CONFIG_BPF_JIT_ALWAYS_ON
u32 stack_depth = max_t(u32, fp->aux->stack_depth, 1);
/* In case of BPF to BPF calls, verifier did all the prep
* work with regards to JITing, etc.
*/
if (fp->bpf_func)
goto finalize;
fp->bpf_func = interpreters[(round_up(stack_depth, 32) / 32) - 1];
#else
fp->bpf_func = __bpf_prog_ret0_warn;
#endif
bpf_prog_select_func(fp);
/* eBPF JITs can rewrite the program in case constant
* blinding is active. However, in case of error during
@ -1471,6 +1514,8 @@ struct bpf_prog *bpf_prog_select_runtime(struct bpf_prog *fp, int *err)
if (*err)
return fp;
}
finalize:
bpf_prog_lock_ro(fp);
/* The tail call compatibility check can only be done at
@ -1479,7 +1524,17 @@ struct bpf_prog *bpf_prog_select_runtime(struct bpf_prog *fp, int *err)
* all eBPF JITs might immediately support all features.
*/
*err = bpf_check_tail_call(fp);
if (*err)
return fp;
/* Checkpoint: at this point onwards any cBPF -> eBPF or
* native eBPF program is read-only. If we failed to change
* the page attributes (e.g. allocation failure from
* splitting large pages), then reject the whole program
* in order to guarantee not ending up with any W+X pages
* from BPF side in kernel.
*/
*err = bpf_prog_check_pages_ro_locked(fp);
return fp;
}
EXPORT_SYMBOL_GPL(bpf_prog_select_runtime);

14
kernel/bpf/devmap.c
Просмотреть файл

@ -345,6 +345,20 @@ int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_buff *xdp,
return bq_enqueue(dst, xdpf, dev_rx);
}
int dev_map_generic_redirect(struct bpf_dtab_netdev *dst, struct sk_buff *skb,
struct bpf_prog *xdp_prog)
{
int err;
err = __xdp_generic_ok_fwd_dev(skb, dst->dev);
if (unlikely(err))
return err;
skb->dev = dst->dev;
generic_xdp_tx(skb, xdp_prog);
return 0;
}
static void *dev_map_lookup_elem(struct bpf_map *map, void *key)
{
struct bpf_dtab_netdev *obj = __dev_map_lookup_elem(map, *(u32 *)key);

12
kernel/bpf/syscall.c
Просмотреть файл

@ -1034,14 +1034,9 @@ static void __bpf_prog_put_rcu(struct rcu_head *rcu)
static void __bpf_prog_put(struct bpf_prog *prog, bool do_idr_lock)
{
if (atomic_dec_and_test(&prog->aux->refcnt)) {
int i;
/* bpf_prog_free_id() must be called first */
bpf_prog_free_id(prog, do_idr_lock);
for (i = 0; i < prog->aux->func_cnt; i++)
bpf_prog_kallsyms_del(prog->aux->func[i]);
bpf_prog_kallsyms_del(prog);
bpf_prog_kallsyms_del_all(prog);
call_rcu(&prog->aux->rcu, __bpf_prog_put_rcu);
}
@ -1358,9 +1353,7 @@ static int bpf_prog_load(union bpf_attr *attr)
if (err < 0)
goto free_used_maps;
/* eBPF program is ready to be JITed */
if (!prog->bpf_func)
prog = bpf_prog_select_runtime(prog, &err);
prog = bpf_prog_select_runtime(prog, &err);
if (err < 0)
goto free_used_maps;
@ -1384,6 +1377,7 @@ static int bpf_prog_load(union bpf_attr *attr)
return err;
free_used_maps:
bpf_prog_kallsyms_del_subprogs(prog);
free_used_maps(prog->aux);
free_prog:
bpf_prog_uncharge_memlock(prog);

3
net/atm/br2684.c
Просмотреть файл

@ -252,8 +252,7 @@ static int br2684_xmit_vcc(struct sk_buff *skb, struct net_device *dev,
ATM_SKB(skb)->vcc = atmvcc = brvcc->atmvcc;
pr_debug("atm_skb(%p)->vcc(%p)->dev(%p)\n", skb, atmvcc, atmvcc->dev);
refcount_add(skb->truesize, &sk_atm(atmvcc)->sk_wmem_alloc);
ATM_SKB(skb)->atm_options = atmvcc->atm_options;
atm_account_tx(atmvcc, skb);
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;

3
net/atm/clip.c
Просмотреть файл

@ -381,8 +381,7 @@ static netdev_tx_t clip_start_xmit(struct sk_buff *skb,
memcpy(here, llc_oui, sizeof(llc_oui));
((__be16 *) here)[3] = skb->protocol;
}
refcount_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
ATM_SKB(skb)->atm_options = vcc->atm_options;
atm_account_tx(vcc, skb);
entry->vccs->last_use = jiffies;
pr_debug("atm_skb(%p)->vcc(%p)->dev(%p)\n", skb, vcc, vcc->dev);
old = xchg(&entry->vccs->xoff, 1); /* assume XOFF ... */

3
net/atm/common.c
Просмотреть файл

@ -630,10 +630,9 @@ int vcc_sendmsg(struct socket *sock, struct msghdr *m, size_t size)
goto out;
}
pr_debug("%d += %d\n", sk_wmem_alloc_get(sk), skb->truesize);
refcount_add(skb->truesize, &sk->sk_wmem_alloc);
atm_account_tx(vcc, skb);
skb->dev = NULL; /* for paths shared with net_device interfaces */
ATM_SKB(skb)->atm_options = vcc->atm_options;
if (!copy_from_iter_full(skb_put(skb, size), size, &m->msg_iter)) {
kfree_skb(skb);
error = -EFAULT;

3
net/atm/lec.c
Просмотреть файл

@ -182,9 +182,8 @@ lec_send(struct atm_vcc *vcc, struct sk_buff *skb)
struct net_device *dev = skb->dev;
ATM_SKB(skb)->vcc = vcc;
ATM_SKB(skb)->atm_options = vcc->atm_options;
atm_account_tx(vcc, skb);
refcount_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
if (vcc->send(vcc, skb) < 0) {
dev->stats.tx_dropped++;
return;

3
net/atm/mpc.c
Просмотреть файл

@ -555,8 +555,7 @@ static int send_via_shortcut(struct sk_buff *skb, struct mpoa_client *mpc)
sizeof(struct llc_snap_hdr));
}
refcount_add(skb->truesize, &sk_atm(entry->shortcut)->sk_wmem_alloc);
ATM_SKB(skb)->atm_options = entry->shortcut->atm_options;
atm_account_tx(entry->shortcut, skb);
entry->shortcut->send(entry->shortcut, skb);
entry->packets_fwded++;
mpc->in_ops->put(entry);

3
net/atm/pppoatm.c
Просмотреть файл

@ -350,8 +350,7 @@ static int pppoatm_send(struct ppp_channel *chan, struct sk_buff *skb)
return 1;
}
refcount_add(skb->truesize, &sk_atm(ATM_SKB(skb)->vcc)->sk_wmem_alloc);
ATM_SKB(skb)->atm_options = ATM_SKB(skb)->vcc->atm_options;
atm_account_tx(vcc, skb);
pr_debug("atm_skb(%p)->vcc(%p)->dev(%p)\n",
skb, ATM_SKB(skb)->vcc, ATM_SKB(skb)->vcc->dev);
ret = ATM_SKB(skb)->vcc->send(ATM_SKB(skb)->vcc, skb)

4
net/atm/raw.c
Просмотреть файл

@ -35,8 +35,8 @@ static void atm_pop_raw(struct atm_vcc *vcc, struct sk_buff *skb)
struct sock *sk = sk_atm(vcc);
pr_debug("(%d) %d -= %d\n",
vcc->vci, sk_wmem_alloc_get(sk), skb->truesize);
WARN_ON(refcount_sub_and_test(skb->truesize, &sk->sk_wmem_alloc));
vcc->vci, sk_wmem_alloc_get(sk), ATM_SKB(skb)->acct_truesize);
WARN_ON(refcount_sub_and_test(ATM_SKB(skb)->acct_truesize, &sk->sk_wmem_alloc));
dev_kfree_skb_any(skb);
sk->sk_write_space(sk);
}

1
net/bpfilter/.gitignore поставляемый Normal file
Просмотреть файл

@ -0,0 +1 @@
bpfilter_umh

6
net/bpfilter/Makefile
Просмотреть файл

@ -21,8 +21,10 @@ endif
# which bpfilter_kern.c passes further into umh blob loader at run-time
quiet_cmd_copy_umh = GEN $@
cmd_copy_umh = echo ':' > $(obj)/.bpfilter_umh.o.cmd; \
$(OBJCOPY) -I binary -O `$(OBJDUMP) -f $<|grep format|cut -d' ' -f8` \
-B `$(OBJDUMP) -f $<|grep architecture|cut -d, -f1|cut -d' ' -f2` \
$(OBJCOPY) -I binary \
`LC_ALL=C objdump -f net/bpfilter/bpfilter_umh \
|awk -F' |,' '/file format/{print "-O",$$NF} \
/^architecture:/{print "-B",$$2}'` \
--rename-section .data=.init.rodata $< $@
$(obj)/bpfilter_umh.o: $(obj)/bpfilter_umh

4
net/core/dev.c
Просмотреть файл

@ -8643,7 +8643,8 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
/* We get here if we can't use the current device name */
if (!pat)
goto out;
if (dev_get_valid_name(net, dev, pat) < 0)
err = dev_get_valid_name(net, dev, pat);
if (err < 0)
goto out;
}
@ -8655,7 +8656,6 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
dev_close(dev);
/* And unlink it from device chain */
err = -ENODEV;
unlist_netdevice(dev);
synchronize_net();

21
net/core/filter.c
Просмотреть файл

@ -3214,20 +3214,6 @@ err:
}
EXPORT_SYMBOL_GPL(xdp_do_redirect);
static int __xdp_generic_ok_fwd_dev(struct sk_buff *skb, struct net_device *fwd)
{
unsigned int len;
if (unlikely(!(fwd->flags & IFF_UP)))
return -ENETDOWN;
len = fwd->mtu + fwd->hard_header_len + VLAN_HLEN;
if (skb->len > len)
return -EMSGSIZE;
return 0;
}
static int xdp_do_generic_redirect_map(struct net_device *dev,
struct sk_buff *skb,
struct xdp_buff *xdp,
@ -3256,10 +3242,11 @@ static int xdp_do_generic_redirect_map(struct net_device *dev,
}
if (map->map_type == BPF_MAP_TYPE_DEVMAP) {
if (unlikely((err = __xdp_generic_ok_fwd_dev(skb, fwd))))
struct bpf_dtab_netdev *dst = fwd;
err = dev_map_generic_redirect(dst, skb, xdp_prog);
if (unlikely(err))
goto err;
skb->dev = fwd;
generic_xdp_tx(skb, xdp_prog);
} else if (map->map_type == BPF_MAP_TYPE_XSKMAP) {
struct xdp_sock *xs = fwd;

4
net/ipv4/inet_hashtables.c
Просмотреть файл

@ -243,9 +243,9 @@ static inline int compute_score(struct sock *sk, struct net *net,
bool dev_match = (sk->sk_bound_dev_if == dif ||
sk->sk_bound_dev_if == sdif);
if (exact_dif && !dev_match)
if (!dev_match)
return -1;
if (sk->sk_bound_dev_if && dev_match)
if (sk->sk_bound_dev_if)
score += 4;
}
if (sk->sk_incoming_cpu == raw_smp_processor_id())

3
net/ipv4/ip_output.c
Просмотреть файл

@ -1145,7 +1145,8 @@ static int ip_setup_cork(struct sock *sk, struct inet_cork *cork,
cork->fragsize = ip_sk_use_pmtu(sk) ?
dst_mtu(&rt->dst) : rt->dst.dev->mtu;
cork->gso_size = sk->sk_type == SOCK_DGRAM ? ipc->gso_size : 0;
cork->gso_size = sk->sk_type == SOCK_DGRAM &&
sk->sk_protocol == IPPROTO_UDP ? ipc->gso_size : 0;
cork->dst = &rt->dst;
cork->length = 0;
cork->ttl = ipc->ttl;

4
net/ipv6/inet6_hashtables.c
Просмотреть файл

@ -113,9 +113,9 @@ static inline int compute_score(struct sock *sk, struct net *net,
bool dev_match = (sk->sk_bound_dev_if == dif ||
sk->sk_bound_dev_if == sdif);
if (exact_dif && !dev_match)
if (!dev_match)
return -1;
if (sk->sk_bound_dev_if && dev_match)
if (sk->sk_bound_dev_if)
score++;
}
if (sk->sk_incoming_cpu == raw_smp_processor_id())

5
net/ipv6/ip6_fib.c
Просмотреть файл

@ -167,8 +167,9 @@ struct fib6_info *fib6_info_alloc(gfp_t gfp_flags)
return f6i;
}
void fib6_info_destroy(struct fib6_info *f6i)
void fib6_info_destroy_rcu(struct rcu_head *head)
{
struct fib6_info *f6i = container_of(head, struct fib6_info, rcu);
struct rt6_exception_bucket *bucket;
struct dst_metrics *m;
@ -206,7 +207,7 @@ void fib6_info_destroy(struct fib6_info *f6i)
kfree(f6i);
}
EXPORT_SYMBOL_GPL(fib6_info_destroy);
EXPORT_SYMBOL_GPL(fib6_info_destroy_rcu);
static struct fib6_node *node_alloc(struct net *net)
{

3
net/ipv6/ip6_output.c
Просмотреть файл

@ -1219,7 +1219,8 @@ static int ip6_setup_cork(struct sock *sk, struct inet_cork_full *cork,
if (mtu < IPV6_MIN_MTU)
return -EINVAL;
cork->base.fragsize = mtu;
cork->base.gso_size = sk->sk_type == SOCK_DGRAM ? ipc6->gso_size : 0;
cork->base.gso_size = sk->sk_type == SOCK_DGRAM &&
sk->sk_protocol == IPPROTO_UDP ? ipc6->gso_size : 0;
if (dst_allfrag(xfrm_dst_path(&rt->dst)))
cork->base.flags |= IPCORK_ALLFRAG;

10
net/ncsi/ncsi-aen.c
Просмотреть файл

@ -73,8 +73,8 @@ static int ncsi_aen_handler_lsc(struct ncsi_dev_priv *ndp,
ncm->data[2] = data;
ncm->data[4] = ntohl(lsc->oem_status);
netdev_info(ndp->ndev.dev, "NCSI: LSC AEN - channel %u state %s\n",
nc->id, data & 0x1 ? "up" : "down");
netdev_dbg(ndp->ndev.dev, "NCSI: LSC AEN - channel %u state %s\n",
nc->id, data & 0x1 ? "up" : "down");
chained = !list_empty(&nc->link);
state = nc->state;
@ -148,9 +148,9 @@ static int ncsi_aen_handler_hncdsc(struct ncsi_dev_priv *ndp,
hncdsc = (struct ncsi_aen_hncdsc_pkt *)h;
ncm->data[3] = ntohl(hncdsc->status);
spin_unlock_irqrestore(&nc->lock, flags);
netdev_printk(KERN_DEBUG, ndp->ndev.dev,
"NCSI: host driver %srunning on channel %u\n",
ncm->data[3] & 0x1 ? "" : "not ", nc->id);
netdev_dbg(ndp->ndev.dev,
"NCSI: host driver %srunning on channel %u\n",
ncm->data[3] & 0x1 ? "" : "not ", nc->id);
return 0;
}

49
net/ncsi/ncsi-manage.c
Просмотреть файл

@ -788,8 +788,8 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
}
break;
case ncsi_dev_state_config_done:
netdev_printk(KERN_DEBUG, ndp->ndev.dev,
"NCSI: channel %u config done\n", nc->id);
netdev_dbg(ndp->ndev.dev, "NCSI: channel %u config done\n",
nc->id);
spin_lock_irqsave(&nc->lock, flags);
if (nc->reconfigure_needed) {
/* This channel's configuration has been updated
@ -804,8 +804,7 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
list_add_tail_rcu(&nc->link, &ndp->channel_queue);
spin_unlock_irqrestore(&ndp->lock, flags);
netdev_printk(KERN_DEBUG, dev,
"Dirty NCSI channel state reset\n");
netdev_dbg(dev, "Dirty NCSI channel state reset\n");
ncsi_process_next_channel(ndp);
break;
}
@ -816,9 +815,9 @@ static void ncsi_configure_channel(struct ncsi_dev_priv *ndp)
} else {
hot_nc = NULL;
nc->state = NCSI_CHANNEL_INACTIVE;
netdev_warn(ndp->ndev.dev,
"NCSI: channel %u link down after config\n",
nc->id);
netdev_dbg(ndp->ndev.dev,
"NCSI: channel %u link down after config\n",
nc->id);
}
spin_unlock_irqrestore(&nc->lock, flags);
@ -908,9 +907,9 @@ static int ncsi_choose_active_channel(struct ncsi_dev_priv *ndp)
}
ncm = &found->modes[NCSI_MODE_LINK];
netdev_printk(KERN_DEBUG, ndp->ndev.dev,
"NCSI: Channel %u added to queue (link %s)\n",
found->id, ncm->data[2] & 0x1 ? "up" : "down");
netdev_dbg(ndp->ndev.dev,
"NCSI: Channel %u added to queue (link %s)\n",
found->id, ncm->data[2] & 0x1 ? "up" : "down");
out:
spin_lock_irqsave(&ndp->lock, flags);
@ -1199,14 +1198,14 @@ int ncsi_process_next_channel(struct ncsi_dev_priv *ndp)
switch (old_state) {
case NCSI_CHANNEL_INACTIVE:
ndp->ndev.state = ncsi_dev_state_config;
netdev_info(ndp->ndev.dev, "NCSI: configuring channel %u\n",
nc->id);
netdev_dbg(ndp->ndev.dev, "NCSI: configuring channel %u\n",
nc->id);
ncsi_configure_channel(ndp);
break;
case NCSI_CHANNEL_ACTIVE:
ndp->ndev.state = ncsi_dev_state_suspend;
netdev_info(ndp->ndev.dev, "NCSI: suspending channel %u\n",
nc->id);
netdev_dbg(ndp->ndev.dev, "NCSI: suspending channel %u\n",
nc->id);
ncsi_suspend_channel(ndp);
break;
default:
@ -1226,8 +1225,6 @@ out:
return ncsi_choose_active_channel(ndp);
}
netdev_printk(KERN_DEBUG, ndp->ndev.dev,
"NCSI: No more channels to process\n");
ncsi_report_link(ndp, false);
return -ENODEV;
}
@ -1318,9 +1315,9 @@ static int ncsi_kick_channels(struct ncsi_dev_priv *ndp)
if ((ndp->ndev.state & 0xff00) ==
ncsi_dev_state_config ||
!list_empty(&nc->link)) {
netdev_printk(KERN_DEBUG, nd->dev,
"NCSI: channel %p marked dirty\n",
nc);
netdev_dbg(nd->dev,
"NCSI: channel %p marked dirty\n",
nc);
nc->reconfigure_needed = true;
}
spin_unlock_irqrestore(&nc->lock, flags);
@ -1338,8 +1335,7 @@ static int ncsi_kick_channels(struct ncsi_dev_priv *ndp)
list_add_tail_rcu(&nc->link, &ndp->channel_queue);
spin_unlock_irqrestore(&ndp->lock, flags);
netdev_printk(KERN_DEBUG, nd->dev,
"NCSI: kicked channel %p\n", nc);
netdev_dbg(nd->dev, "NCSI: kicked channel %p\n", nc);
n++;
}
}
@ -1370,8 +1366,8 @@ int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
list_for_each_entry_rcu(vlan, &ndp->vlan_vids, list) {
n_vids++;
if (vlan->vid == vid) {
netdev_printk(KERN_DEBUG, dev,
"NCSI: vid %u already registered\n", vid);
netdev_dbg(dev, "NCSI: vid %u already registered\n",
vid);
return 0;
}
}
@ -1390,7 +1386,7 @@ int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
vlan->vid = vid;
list_add_rcu(&vlan->list, &ndp->vlan_vids);
netdev_printk(KERN_DEBUG, dev, "NCSI: Added new vid %u\n", vid);
netdev_dbg(dev, "NCSI: Added new vid %u\n", vid);
found = ncsi_kick_channels(ndp) != 0;
@ -1419,8 +1415,7 @@ int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
/* Remove the VLAN id from our internal list */
list_for_each_entry_safe(vlan, tmp, &ndp->vlan_vids, list)
if (vlan->vid == vid) {
netdev_printk(KERN_DEBUG, dev,
"NCSI: vid %u found, removing\n", vid);
netdev_dbg(dev, "NCSI: vid %u found, removing\n", vid);
list_del_rcu(&vlan->list);
found = true;
kfree(vlan);
@ -1547,7 +1542,7 @@ void ncsi_stop_dev(struct ncsi_dev *nd)
}
}
netdev_printk(KERN_DEBUG, ndp->ndev.dev, "NCSI: Stopping device\n");
netdev_dbg(ndp->ndev.dev, "NCSI: Stopping device\n");
ncsi_report_link(ndp, true);
}
EXPORT_SYMBOL_GPL(ncsi_stop_dev);

12
net/sched/act_ife.c
Просмотреть файл

@ -415,7 +415,8 @@ static void tcf_ife_cleanup(struct tc_action *a)
spin_unlock_bh(&ife->tcf_lock);
p = rcu_dereference_protected(ife->params, 1);
kfree_rcu(p, rcu);
if (p)
kfree_rcu(p, rcu);
}
/* under ife->tcf_lock for existing action */
@ -516,8 +517,6 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla,
saddr = nla_data(tb[TCA_IFE_SMAC]);
}
ife->tcf_action = parm->action;
if (parm->flags & IFE_ENCODE) {
if (daddr)
ether_addr_copy(p->eth_dst, daddr);
@ -543,10 +542,8 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla,
NULL, NULL);
if (err) {
metadata_parse_err:
if (exists)
tcf_idr_release(*a, bind);
if (ret == ACT_P_CREATED)
_tcf_ife_cleanup(*a);
tcf_idr_release(*a, bind);
if (exists)
spin_unlock_bh(&ife->tcf_lock);
@ -567,7 +564,7 @@ metadata_parse_err:
err = use_all_metadata(ife);
if (err) {
if (ret == ACT_P_CREATED)
_tcf_ife_cleanup(*a);
tcf_idr_release(*a, bind);
if (exists)
spin_unlock_bh(&ife->tcf_lock);
@ -576,6 +573,7 @@ metadata_parse_err:
}
}
ife->tcf_action = parm->action;
if (exists)
spin_unlock_bh(&ife->tcf_lock);

2
net/sched/sch_blackhole.c
Просмотреть файл

@ -21,7 +21,7 @@ static int blackhole_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
qdisc_drop(skb, sch, to_free);
return NET_XMIT_SUCCESS;
return NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
}
static struct sk_buff *blackhole_dequeue(struct Qdisc *sch)

3
net/xdp/xsk.c
Просмотреть файл

@ -118,6 +118,9 @@ int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp)
u64 addr;
int err;
if (xs->dev != xdp->rxq->dev || xs->queue_id != xdp->rxq->queue_index)
return -EINVAL;
if (!xskq_peek_addr(xs->umem->fq, &addr) ||
len > xs->umem->chunk_size_nohr) {
xs->rx_dropped++;

5
tools/bpf/bpftool/perf.c
Просмотреть файл

@ -29,9 +29,10 @@ static bool has_perf_query_support(void)
if (perf_query_supported)
goto out;
fd = open(bin_name, O_RDONLY);
fd = open("/", O_RDONLY);
if (fd < 0) {
p_err("perf_query_support: %s", strerror(errno));
p_err("perf_query_support: cannot open directory \"/\" (%s)",
strerror(errno));
goto out;
}

4
tools/bpf/bpftool/prog.c
Просмотреть файл

@ -90,7 +90,9 @@ static void print_boot_time(__u64 nsecs, char *buf, unsigned int size)
}
wallclock_secs = (real_time_ts.tv_sec - boot_time_ts.tv_sec) +
nsecs / 1000000000;
(real_time_ts.tv_nsec - boot_time_ts.tv_nsec + nsecs) /
1000000000;
if (!localtime_r(&wallclock_secs, &load_tm)) {
snprintf(buf, size, "%llu", nsecs / 1000000000);

10
tools/testing/selftests/bpf/config
Просмотреть файл

@ -7,3 +7,13 @@ CONFIG_CGROUP_BPF=y
CONFIG_NETDEVSIM=m
CONFIG_NET_CLS_ACT=y
CONFIG_NET_SCH_INGRESS=y
CONFIG_NET_IPIP=y
CONFIG_IPV6=y
CONFIG_NET_IPGRE_DEMUX=y
CONFIG_NET_IPGRE=y
CONFIG_IPV6_GRE=y
CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_HMAC=m
CONFIG_CRYPTO_SHA256=m
CONFIG_VXLAN=y
CONFIG_GENEVE=y

12
tools/testing/selftests/bpf/test_offload.py
Просмотреть файл

@ -163,6 +163,10 @@ def bpftool(args, JSON=True, ns="", fail=True):
def bpftool_prog_list(expected=None, ns=""):
_, progs = bpftool("prog show", JSON=True, ns=ns, fail=True)
# Remove the base progs
for p in base_progs:
if p in progs:
progs.remove(p)
if expected is not None:
if len(progs) != expected:
fail(True, "%d BPF programs loaded, expected %d" %
@ -171,6 +175,10 @@ def bpftool_prog_list(expected=None, ns=""):
def bpftool_map_list(expected=None, ns=""):
_, maps = bpftool("map show", JSON=True, ns=ns, fail=True)
# Remove the base maps
for m in base_maps:
if m in maps:
maps.remove(m)
if expected is not None:
if len(maps) != expected:
fail(True, "%d BPF maps loaded, expected %d" %
@ -585,8 +593,8 @@ skip(os.getuid() != 0, "test must be run as root")
# Check tools
ret, progs = bpftool("prog", fail=False)
skip(ret != 0, "bpftool not installed")
# Check no BPF programs are loaded
skip(len(progs) != 0, "BPF programs already loaded on the system")
base_progs = progs
_, base_maps = bpftool("map")
# Check netdevsim
ret, out = cmd("modprobe netdevsim", fail=False)

26
tools/testing/selftests/bpf/test_tunnel.sh
Просмотреть файл

@ -608,28 +608,26 @@ setup_xfrm_tunnel()
test_xfrm_tunnel()
{
config_device
#tcpdump -nei veth1 ip &
output=$(mktemp)
cat /sys/kernel/debug/tracing/trace_pipe | tee $output &
setup_xfrm_tunnel
> /sys/kernel/debug/tracing/trace
setup_xfrm_tunnel
tc qdisc add dev veth1 clsact
tc filter add dev veth1 proto ip ingress bpf da obj test_tunnel_kern.o \
sec xfrm_get_state
ip netns exec at_ns0 ping $PING_ARG 10.1.1.200
sleep 1
grep "reqid 1" $output
grep "reqid 1" /sys/kernel/debug/tracing/trace
check_err $?
grep "spi 0x1" $output
grep "spi 0x1" /sys/kernel/debug/tracing/trace
check_err $?
grep "remote ip 0xac100164" $output
grep "remote ip 0xac100164" /sys/kernel/debug/tracing/trace
check_err $?
cleanup
if [ $ret -ne 0 ]; then
echo -e ${RED}"FAIL: xfrm tunnel"${NC}
return 1
fi
echo -e ${GREEN}"PASS: xfrm tunnel"${NC}
echo -e ${RED}"FAIL: xfrm tunnel"${NC}
return 1
fi
echo -e ${GREEN}"PASS: xfrm tunnel"${NC}
}
attach_bpf()
@ -657,6 +655,10 @@ cleanup()
ip link del ip6geneve11 2> /dev/null
ip link del erspan11 2> /dev/null
ip link del ip6erspan11 2> /dev/null
ip xfrm policy delete dir out src 10.1.1.200/32 dst 10.1.1.100/32 2> /dev/null
ip xfrm policy delete dir in src 10.1.1.100/32 dst 10.1.1.200/32 2> /dev/null
ip xfrm state delete src 172.16.1.100 dst 172.16.1.200 proto esp spi 0x1 2> /dev/null
ip xfrm state delete src 172.16.1.200 dst 172.16.1.100 proto esp spi 0x2 2> /dev/null
}
cleanup_exit()
@ -668,7 +670,7 @@ cleanup_exit()
check()
{
ip link help $1 2>&1 | grep -q "^Usage:"
ip link help 2>&1 | grep -q "\s$1\s"
if [ $? -ne 0 ];then
echo "SKIP $1: iproute2 not support"
cleanup