Stanislav Fomichev 35dd37536e xsk: Require XDP_UMEM_TX_METADATA_LEN to actuate tx_metadata_len ...

[ Upstream commit d5e726d914 ]

Julian reports that commit 341ac980ea ("xsk: Support tx_metadata_len")
can break existing use cases which don't zero-initialize xdp_umem_reg
padding. Introduce new XDP_UMEM_TX_METADATA_LEN to make sure we
interpret the padding as tx_metadata_len only when being explicitly
asked.

Fixes: 341ac980ea ("xsk: Support tx_metadata_len")
Reported-by: Julian Schindel <mail@arctic-alpaca.de>
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Link: https://lore.kernel.org/bpf/20240713015253.121248-2-sdf@fomichev.me
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-08-03 09:01:03 +02:00

..

Kconfig

treewide: Add SPDX license identifier - Makefile/Kconfig

2019-05-21 10:50:46 +02:00

Makefile

xsk: Introduce AF_XDP buffer allocation API

2020-05-21 17:31:26 -07:00

xdp_umem.c

xsk: Require XDP_UMEM_TX_METADATA_LEN to actuate tx_metadata_len

2024-08-03 09:01:03 +02:00

xdp_umem.h

xsk: Fix umem cleanup bug at socket destruct

2020-11-20 15:52:39 +01:00

xsk_buff_pool.c

xsk: use generic DMA sync shortcut instead of a custom one

2024-05-08 08:51:20 +02:00

xsk_diag.c

sock_diag: add module pointer to "struct sock_diag_handler"

2024-01-23 15:13:54 +01:00

xsk_queue.c

xdp: Fix zero-size allocation warning in xskq_create()

2023-10-09 16:13:29 +02:00

xsk_queue.h

xsk: Add TX timestamp and TX checksum offload support

2023-11-29 14:59:40 -08:00

xsk.c

Revert "xsk: Support redirect to any socket bound to the same umem"

2024-06-05 09:42:30 +02:00

xsk.h

xdp: Add proper __rcu annotations to redirect map entries

2021-06-24 19:41:15 +02:00

xskmap.c

bpf: Centralize permissions checks for all BPF map types

2023-06-19 14:04:04 +02:00