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linux-next/drivers/net/ethernet
Maxim Mikityanskiy b3873a5be7 net/i40e: Fix concurrency issues between config flow and XSK
Use synchronize_rcu to wait until the XSK wakeup function finishes
before destroying the resources it uses:

1. i40e_down already calls synchronize_rcu. On i40e_down either
__I40E_VSI_DOWN or __I40E_CONFIG_BUSY is set. Check the latter in
i40e_xsk_wakeup (the former is already checked there).

2. After switching the XDP program, call synchronize_rcu to let
i40e_xsk_wakeup exit before the XDP program is freed.

3. Changing the number of channels brings the interface down (see
i40e_prep_for_reset and i40e_pf_quiesce_all_vsi).

4. Disabling UMEM sets __I40E_CONFIG_BUSY, too.

Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20191217162023.16011-4-maximmi@mellanox.com
2019-12-19 16:20:49 +01:00
..
3com
8390
adaptec
aeroflex
agere
alacritech
allwinner
alteon
altera net: of_get_phy_mode: Change API to solve int/unit warnings 2019-11-04 11:21:25 -08:00
amazon net: ena: fix napi handler misbehavior when the napi budget is zero 2019-12-10 17:54:55 -08:00
amd
apm
apple
aquantia net: atlantic: Signedness bug in aq_vec_isr_legacy() 2019-11-13 14:29:28 -08:00
arc net: of_get_phy_mode: Change API to solve int/unit warnings 2019-11-04 11:21:25 -08:00
atheros net: of_get_phy_mode: Change API to solve int/unit warnings 2019-11-04 11:21:25 -08:00
aurora net: of_get_phy_mode: Change API to solve int/unit warnings 2019-11-04 11:21:25 -08:00
broadcom bnxt_en: Add missing devlink health reporters for VFs. 2019-12-10 17:37:14 -08:00
brocade
cadence net: macb: add missed tasklet_kill 2019-11-28 23:05:28 -08:00
calxeda net/ethernet: xgmac don't set .driver twice 2019-10-09 21:09:59 -07:00
cavium net: thunderx: start phy before starting autonegotiation 2019-12-05 12:10:40 -08:00
chelsio cxgb4: add stats for MQPRIO QoS offload Tx path 2019-11-22 16:44:40 -08:00
cirrus net: ep93xx_eth: fix mismatch of request_mem_region in remove 2019-11-15 12:42:09 -08:00
cisco
cortina net: gemini: add missed free_netdev 2019-11-16 12:53:38 -08:00
davicom
dec
dlink
emulex net: emulex: benet: indent a Kconfig depends continuation line 2019-11-30 12:25:26 -08:00
ezchip
faraday Here's the main documentation changes for 5.5: 2019-12-02 11:51:02 -08:00
freescale enetc: disable EEE autoneg by default 2019-12-06 11:47:26 -08:00
fujitsu
google gve: Fix the queue page list allocated pages count 2019-11-26 15:52:34 -08:00
hisilicon net: hns3: fix VF ID issue for setting VF VLAN 2019-12-05 14:42:43 -08:00
huawei
i825xx net: i82596: fix dma_alloc_attr for sni_82596 2019-10-15 20:50:05 -07:00
ibm ibmvnic: Serialize device queries 2019-11-26 13:19:31 -08:00
intel net/i40e: Fix concurrency issues between config flow and XSK 2019-12-19 16:20:49 +01:00
marvell net: phylink: rename mac_link_state() op to mac_pcs_get_state() 2019-11-23 16:13:39 -08:00
mediatek net: phylink: rename mac_link_state() op to mac_pcs_get_state() 2019-11-23 16:13:39 -08:00
mellanox net/mlx5e: Fix concurrency issues between config flow and XSK 2019-12-19 16:20:49 +01:00
micrel
microchip Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-16 21:51:42 -08:00
moxa
mscc net: mscc: ocelot: unregister the PTP clock on deinit 2019-12-03 11:27:00 -08:00
myricom
natsemi
neterion
netronome net: use rhashtable_lookup() instead of rhashtable_lookup_fast() 2019-11-23 12:15:01 -08:00
ni net: of_get_phy_mode: Change API to solve int/unit warnings 2019-11-04 11:21:25 -08:00
nvidia net: forcedeth: add xmit_more support 2019-11-06 10:22:31 -08:00
nxp lpc_eth: kernel BUG on remove 2019-12-06 20:51:19 -08:00
oki-semi
packetengines
pasemi
pensando Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-12-08 13:28:11 -08:00
qlogic qede: Fix multicast mac configuration 2019-12-12 11:08:36 -08:00
qualcomm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-22 16:27:24 -08:00
rdc
realtek r8169: fix rtl_hw_jumbo_disable for RTL8168evl 2019-12-07 14:23:06 -08:00
renesas Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-16 21:51:42 -08:00
rocker
samsung net: of_get_phy_mode: Change API to solve int/unit warnings 2019-11-04 11:21:25 -08:00
seeq
sfc sfc: fix build without CONFIG_RFS_ACCEL 2019-11-24 14:44:09 -08:00
sgi net: sgi: ioc3-eth: ensure tx ring is 16k aligned. 2019-11-04 11:30:14 -08:00
silan
sis
smsc
socionext net: of_get_phy_mode: Change API to solve int/unit warnings 2019-11-04 11:21:25 -08:00
stmicro Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-12-08 13:28:11 -08:00
sun
synopsys PCI: Add PCI_STD_NUM_BARS for the number of standard BARs 2019-10-14 10:22:26 -05:00
tehuti
ti net: ethernet: ti: davinci_cpdma: fix warning "device driver frees DMA memory with different size" 2019-12-09 14:26:04 -08:00
toshiba
tundra
via
wiznet
xilinx net: phylink: rename mac_link_state() op to mac_pcs_get_state() 2019-11-23 16:13:39 -08:00
xircom
xscale
dnet.c
dnet.h
ec_bhf.c
ethoc.c
fealnx.c
jme.c
jme.h
Kconfig hp100: Move 100BaseVG AnyLAN driver to staging 2019-10-31 14:49:52 -07:00
korina.c
lantiq_etop.c
lantiq_xrx200.c
Makefile hp100: Move 100BaseVG AnyLAN driver to staging 2019-10-31 14:49:52 -07:00