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linux/drivers/net
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Larysa Zaremba e142dc4ef0 ice: change XDP RxQ frag_size from DMA write length to xdp.frame_sz 
The only user of frag_size field in XDP RxQ info is
bpf_xdp_frags_increase_tail(). It clearly expects whole buff size instead
of DMA write size. Different assumptions in ice driver configuration lead
to negative tailroom.

This allows to trigger kernel panic, when using
XDP_ADJUST_TAIL_GROW_MULTI_BUFF xskxceiver test and changing packet size to
6912 and the requested offset to a huge value, e.g.
XSK_UMEM__MAX_FRAME_SIZE * 100.

Due to other quirks of the ZC configuration in ice, panic is not observed
in ZC mode, but tailroom growing still fails when it should not.

Use fill queue buffer truesize instead of DMA write size in XDP RxQ info.
Fix ZC mode too by using the new helper.

Fixes: 2fba7dc515 ("ice: Add support for XDP multi-buffer on Rx side")
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
Link: https://patch.msgid.link/20260305111253.2317394-5-larysa.zaremba@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-03-05 08:02:04 -08:00
..
arcnet Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
bonding bpf/bonding: reject vlan+srcmac xmit_hash_policy change when XDP is loaded 2026-03-03 10:47:37 +01:00
caif treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
can can: gs_usb: gs_can_open(): always configure bitrates before starting device 2026-03-02 11:09:36 +01:00
dsa net: dsa: realtek: rtl8365mb: fix rtl8365mb_phy_ocp_write return value 2026-03-02 18:32:40 -08:00
ethernet ice: change XDP RxQ frag_size from DMA write length to xdp.frame_sz 2026-03-05 08:02:04 -08:00
fddi
fjes Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
hamradio Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
hyperv Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
ieee802154 Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
ipa Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
ipvlan Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
mctp Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
mdio net: mdio: rtl9300: use scoped for loops 2025-12-28 08:55:48 +01:00
netdevsim Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
ovpn Including fixes from IPsec, Bluetooth and netfilter 2026-02-26 08:00:13 -08:00
pcs Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
phy Including fixes from IPsec, Bluetooth and netfilter 2026-02-26 08:00:13 -08:00
plip
ppp Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
pse-pd Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
slip Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
team Including fixes from IPsec, Bluetooth and netfilter 2026-02-26 08:00:13 -08:00
thunderbolt net: thunderbolt: Allow reading link settings 2026-01-19 12:09:58 -08:00
usb net: usb: r8152: add TRENDnet TUC-ET2G 2026-02-27 19:27:31 -08:00
vmxnet3 net: vmxnet3: convert to use .get_rx_ring_count 2025-11-19 20:14:21 -08:00
vxlan net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled 2026-03-05 07:52:56 -08:00
wan Including fixes from IPsec, Bluetooth and netfilter 2026-02-26 08:00:13 -08:00
wireguard Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
wireless wifi: mt76: Fix possible oob access in mt76_connac2_mac_write_txwi_80211() 2026-03-03 12:13:36 +01:00
wwan Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
xen-netback Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
amt.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
bareudp.c
dummy.c
eql.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
geneve.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
gtp.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
ifb.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
Kconfig printk: add CONFIG_PRINTK dependency for netconsole 2026-02-17 13:04:20 +01:00
LICENSE.SRC
loopback.c
macsec.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
macvlan.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
macvtap.c
Makefile net: remove HIPPI support and RoadRunner HIPPI driver 2026-01-20 19:12:06 -08:00
mdio.c
mhi_net.c
mii.c
net_failover.c net: remove unnecessary module_init/exit functions 2026-02-02 17:25:23 -08:00
netconsole.c netconsole: fix sysdata_release_enabled_show checking wrong flag 2026-03-03 17:23:50 -08:00
netkit.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
nlmon.c
ntb_netdev.c
pfcp.c
rionet.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
Space.c
sungem_phy.c net: sungem_phy: Fix a typo error in sungem_phy 2025-11-04 17:00:55 -08:00
tap.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
tun.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
tun_vnet.h virtio-net: avoid unnecessary checksum calculation on guest RX 2025-11-26 19:45:54 -08:00
veth.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
virtio_net.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
vrf.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
vsockmon.c
xen-netfront.c Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00