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d845cd901b28f1b6c02a208b864fc3fc46d14536
linux/drivers/net/ethernet/sfc
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Eric Dumazet 1eb2cded45 net: annotate writes on dev->mtu from ndo_change_mtu() 
Simon reported that ndo_change_mtu() methods were never
updated to use WRITE_ONCE(dev->mtu, new_mtu) as hinted
in commit 501a90c945 ("inet: protect against too small
mtu values.")

We read dev->mtu without holding RTNL in many places,
with READ_ONCE() annotations.

It is time to take care of ndo_change_mtu() methods
to use corresponding WRITE_ONCE()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Simon Horman <horms@kernel.org>
Closes: https://lore.kernel.org/netdev/20240505144608.GB67882@kernel.org/
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://lore.kernel.org/r/20240506102812.3025432-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-05-07 16:19:14 -07:00
..
falcon
net: annotate writes on dev->mtu from ndo_change_mtu()
2024-05-07 16:19:14 -07:00
siena
net: annotate writes on dev->mtu from ndo_change_mtu()
2024-05-07 16:19:14 -07:00
bitfield.h
sfc: offload left-hand side rules for conntrack
2023-08-09 11:14:38 +01:00
ef10_regs.h
…
ef10_sriov.c
sfc: move table locking into filter_table_{probe,remove} methods
2022-07-29 21:22:06 -07:00
ef10_sriov.h
sfc: Remove some NIC type indirections that are no longer needed
2023-07-28 09:54:17 +01:00
ef10.c
sfc: Implement ndo_hwtstamp_(get|set)
2023-12-05 07:45:43 -08:00
ef100_ethtool.c
net: ethtool: get rid of get/set_rxfh_context functions
2023-12-13 22:07:16 -08:00
ef100_ethtool.h
sfc: skeleton EF100 PF driver
2020-07-27 12:26:55 -07:00
ef100_netdev.c
sfc: neighbour lookup for TC encap action offload
2023-06-10 00:11:49 -07:00
ef100_netdev.h
sfc: hook up ef100 representor TX
2022-07-22 12:50:06 +01:00
ef100_nic.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-08-18 12:44:56 -07:00
ef100_nic.h
sfc: add support for devlink port_function_hw_addr_get in ef100
2023-02-16 12:03:13 +01:00
ef100_regs.h
sfc: update EF100 register descriptions
2022-07-22 12:50:06 +01:00
ef100_rep.c
sfc: add support for devlink port_function_hw_addr_get in ef100
2023-02-16 12:03:13 +01:00
ef100_rep.h
sfc: add support for devlink port_function_hw_addr_get in ef100
2023-02-16 12:03:13 +01:00
ef100_rx.c
sfc: add ability for extra channels to receive raw RX buffers
2022-11-16 09:07:02 +00:00
ef100_rx.h
sfc: check hash is valid before using it
2020-08-14 14:07:16 -07:00
ef100_sriov.c
sfc: add skeleton ef100 VF representors
2022-07-22 12:50:06 +01:00
ef100_sriov.h
sfc: add skeleton ef100 VF representors
2022-07-22 12:50:06 +01:00
ef100_tx.c
sfc: Remove struct efx_special_buffer
2023-07-28 09:54:17 +01:00
ef100_tx.h
sfc: use budget for TX completions
2023-06-17 00:06:55 -07:00
ef100.c
sfc_ef100: Drop redundant pci_disable_pcie_error_reporting()
2023-03-08 23:34:39 -08:00
ef100.h
sfc: skeleton EF100 PF driver
2020-07-27 12:26:55 -07:00
efx_channels.c
net: Tree wide: Replace xdp_do_flush_map() with xdp_do_flush().
2023-10-03 07:34:51 -07:00
efx_channels.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-05-12 16:15:30 -07:00
efx_common.c
net: annotate writes on dev->mtu from ndo_change_mtu()
2024-05-07 16:19:14 -07:00
efx_common.h
sfc: attach/detach EF100 representors along with their owning PF
2022-07-22 12:50:06 +01:00
efx_devlink.c
sfc: support for devlink port requires MAE access
2023-06-29 11:10:27 -07:00
efx_devlink.h
sfc: add devlink port support for ef100
2023-02-16 12:03:12 +01:00
efx.c
sfc: Implement ndo_hwtstamp_(get|set)
2023-12-05 07:45:43 -08:00
efx.h
sfc: Remove support for siena high priority queue
2023-07-28 09:54:17 +01:00
enum.h
sfc: Remove duplicate argument
2021-04-14 13:55:07 -07:00
ethtool_common.c
net: ethtool: get rid of get/set_rxfh_context functions
2023-12-13 22:07:16 -08:00
ethtool_common.h
net: ethtool: get rid of get/set_rxfh_context functions
2023-12-13 22:07:16 -08:00
ethtool.c
net: ethtool: get rid of get/set_rxfh_context functions
2023-12-13 22:07:16 -08:00
filter.h
sfc: Miscellaneous comment removals
2023-07-28 09:54:18 +01:00
io.h
Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-08-29 14:25:26 -07:00
Kconfig
sfc: add CONFIG_INET dependency for TC offload
2023-06-20 20:37:16 -07:00
mae_counter_format.h
sfc: add extra RX channel to receive MAE counter updates on ef100
2022-11-16 09:07:02 +00:00
mae.c
sfc: support offloading ct(nat) action in RHS rules
2023-10-15 14:25:03 +01:00
mae.h
sfc: introduce ethernet pedit set action infrastructure
2023-08-27 06:56:54 +01:00
Makefile
sfc: functions to register for conntrack zone offload
2023-08-09 11:14:37 +01:00
mcdi_filters.c
sfc: use a dynamic m-port for representor RX and set it promisc
2022-07-29 21:22:07 -07:00
mcdi_filters.h
sfc: move table locking into filter_table_{probe,remove} methods
2022-07-29 21:22:06 -07:00
mcdi_functions.c
sfc: Remove struct efx_special_buffer
2023-07-28 09:54:17 +01:00
mcdi_functions.h
sfc: de-indirect TSO handling
2020-09-11 17:15:22 -07:00
mcdi_mon.c
net: ethernet: move from strlcpy with unused retval to strscpy
2022-08-31 14:11:26 -07:00
mcdi_pcol_mae.h
sfc: insert default MAE rules to connect VFs to representors
2022-07-29 21:22:06 -07:00
mcdi_pcol.h
sfc: update MCDI protocol headers
2022-07-19 13:37:04 -07:00
mcdi_port_common.c
sfc: Filter cleanups for Falcon and Siena
2023-07-28 09:54:17 +01:00
mcdi_port_common.h
sfc: coding style cleanups in mcdi_port_common.c
2020-09-08 20:14:33 -07:00
mcdi_port.c
sfc: Encapsulate access to netdev_priv()
2022-06-29 13:40:47 +01:00
mcdi_port.h
sfc: move NIC-specific mcdi_port declarations out of common header
2020-06-30 13:09:09 -07:00
mcdi.c
sfc: replace deprecated strncpy with strscpy
2023-10-13 17:24:39 -07:00
mcdi.h
sfc: offload left-hand side rules for conntrack
2023-08-09 11:14:38 +01:00
mtd.c
…
net_driver.h
sfc: Implement ndo_hwtstamp_(get|set)
2023-12-05 07:45:43 -08:00
nic_common.h
sfc: Miscellaneous comment removals
2023-07-28 09:54:18 +01:00
nic.c
sfc: Cleanups in io.h
2023-07-28 09:54:18 +01:00
nic.h
sfc: Remove siena_nic_data and stats
2023-07-28 09:54:17 +01:00
ptp.c
sfc: Implement ndo_hwtstamp_(get|set)
2023-12-05 07:45:43 -08:00
ptp.h
sfc: Implement ndo_hwtstamp_(get|set)
2023-12-05 07:45:43 -08:00
rx_common.c
net: introduce include/net/rps.h
2024-03-07 21:12:43 -08:00
rx_common.h
sfc: The size of the RX recycle ring should be more flexible
2022-02-01 20:34:59 -08:00
rx.c
sfc: check for zero length in EF10 RX prefix
2023-09-01 08:14:57 +01:00
selftest.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-08-24 10:51:39 -07:00
selftest.h
sfc: decouple TXQ type from label
2020-09-11 17:15:22 -07:00
sriov.c
sfc: Encapsulate access to netdev_priv()
2022-06-29 13:40:47 +01:00
sriov.h
…
tc_bindings.c
sfc: neighbour lookup for TC encap action offload
2023-06-10 00:11:49 -07:00
tc_bindings.h
sfc: do not try to call tc functions when CONFIG_SFC_SRIOV=n
2023-06-16 09:12:18 +01:00
tc_conntrack.c
sfc: parse mangle actions (NAT) in conntrack entries
2023-10-15 14:25:03 +01:00
tc_conntrack.h
sfc: handle non-zero chain_index on TC rules
2023-08-09 11:14:38 +01:00
tc_counters.c
sfc: handle error pointers returned by rhashtable_lookup_get_insert_fast()
2023-09-21 10:37:16 +02:00
tc_counters.h
sfc: offload conntrack flow entries (match only) from CT zones
2023-08-09 11:14:38 +01:00
tc_encap_actions.c
sfc: handle error pointers returned by rhashtable_lookup_get_insert_fast()
2023-09-21 10:37:16 +02:00
tc_encap_actions.h
sfc: do not try to call tc functions when CONFIG_SFC_SRIOV=n
2023-06-16 09:12:18 +01:00
tc.c
sfc: use flow_rule_is_supp_control_flags()
2024-04-18 17:04:19 -07:00
tc.h
sfc: support offloading ct(nat) action in RHS rules
2023-10-15 14:25:03 +01:00
tx_common.c
net: adopt skb_network_offset() and similar helpers
2024-03-04 08:47:06 +00:00
tx_common.h
sfc: use budget for TX completions
2023-06-17 00:06:55 -07:00
tx_tso.c
net: adopt skb_network_offset() and similar helpers
2024-03-04 08:47:06 +00:00
tx.c
sfc: Remove support for siena high priority queue
2023-07-28 09:54:17 +01:00
tx.h
sfc: select inner-csum-offload TX queues for skbs that need it
2020-09-11 17:15:22 -07:00
workarounds.h
sfc: Remove EFX_REV_SIENA_A0
2023-07-28 09:54:17 +01:00