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linux/net/ethtool
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Daniel Borkmann 22fdf28f7c net, ethtool: Disallow leased real rxqs to be resized 
Similar to AF_XDP, do not allow queues in a physical netdev to be resized
by ethtool -L when they are leased. Cover channel resize paths (both
netlink and ioctl) to reject resizing when the queues would be affected.

Given we need to have different checks for RX vs TX, detangle the code into
a two-loop version rather than the range of new_combined + min(new_rx, new_tx)
to old_combined + max(old_rx, old_tx).

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Co-developed-by: David Wei <dw@davidwei.uk>
Signed-off-by: David Wei <dw@davidwei.uk>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20260402231031.447597-5-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 		2026-04-09 18:21:46 -07:00
..
Makefile ethtool: netlink: add ETHTOOL_MSG_MSE_GET and wire up PHY MSE access 2025-11-03 18:32:27 -08:00
bitset.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
bitset.h net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
cabletest.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
channels.c net, ethtool: Disallow leased real rxqs to be resized 2026-04-09 18:21:46 -07:00
cmis.h ethtool: cmis_cdb: Fix incorrect read / write length extension 2025-04-10 14:32:43 +02:00
cmis_cdb.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
cmis_fw_update.c net: move misc netdev_lock flavors to a separate header 2025-03-08 09:06:50 -08:00
coalesce.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
common.c ethtool: Add RSS indirection table resize helpers 2026-03-23 17:59:54 -07:00
common.h net: ethtool: add get_rx_ring_count callback to optimize RX ring queries 2025-09-18 07:07:37 -07:00
debug.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
eee.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
eeprom.c net: ethtool: pass genl_info to the ethnl parse_request operation 2026-03-24 20:14:29 -07:00
features.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
fec.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
ioctl.c net, ethtool: Disallow leased real rxqs to be resized 2026-04-09 18:21:46 -07:00
linkinfo.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
linkmodes.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
linkstate.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
mm.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
module.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
module_fw.h
…
mse.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
netlink.c net: ethtool: pass genl_info to the ethnl parse_request operation 2026-03-24 20:14:29 -07:00
netlink.h net: ethtool: pass genl_info to the ethnl parse_request operation 2026-03-24 20:14:29 -07:00
pause.c net: ethtool: pass genl_info to the ethnl parse_request operation 2026-03-24 20:14:29 -07:00
phc_vclocks.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
phy.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
plca.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
privflags.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
pse-pd.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
rings.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
rss.c net: ethtool: pass genl_info to the ethnl parse_request operation 2026-03-24 20:14:29 -07:00
stats.c net: ethtool: pass genl_info to the ethnl parse_request operation 2026-03-24 20:14:29 -07:00
strset.c net: ethtool: pass genl_info to the ethnl parse_request operation 2026-03-24 20:14:29 -07:00
ts.h net: ethtool: tsinfo: Enhance tsinfo to support several hwtstamp by net topology 2024-12-16 12:51:41 +00:00
tsconfig.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00
tsinfo.c net: ethtool: pass genl_info to the ethnl parse_request operation 2026-03-24 20:14:29 -07:00
tunnels.c
…
wol.c net: ethtool: re-order local includes 2026-03-20 19:10:18 -07:00