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Hou Tao 50e0b53ff1 bpf: Handle BPF_EXIST and BPF_NOEXIST for LPM trie 
[ Upstream commit eae6a075e9537dd69891cf77ca5a88fa8a28b4a1 ]

Add the currently missing handling for the BPF_EXIST and BPF_NOEXIST
flags. These flags can be specified by users and are relevant since LPM
trie supports exact matches during update.

Fixes: b95a5c4db09b ("bpf: add a longest prefix match trie map implementation")
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20241206110622.1161752-4-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-12-17 13:24:28 +01:00
..
preload Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
arraymap.c Revert "bpf: Check percpu map value size first" 2024-11-24 00:22:59 +01:00
bpf_inode_storage.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bpf_iter.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bpf_local_storage.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bpf_lru_list.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bpf_lru_list.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bpf_lsm.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bpf_struct_ops.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bpf_struct_ops_types.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
btf.c bpf: Eliminate remaining "make W=1" warnings in kernel/bpf/btf.o 2024-11-23 23:20:08 +01:00
cgroup.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
core.c bpf: Detect IP == ksym.end as part of BPF program 2024-11-18 11:43:12 +01:00
cpumap.c bpf: report RCU QS in cpumap kthread 2024-11-19 08:45:00 +01:00
devmap.c Reapply "bpf: Fix DEVMAP_HASH overflow check on 32-bit arches" 2024-11-24 00:23:17 +01:00
disasm.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
disasm.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dispatcher.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hashtab.c Revert "bpf: Check percpu map value size first" 2024-11-24 00:22:59 +01:00
helpers.c Revert "bpf: Fix bpf_strtol and bpf_strtoul helpers for 32bit" 2024-11-24 00:23:22 +01:00
inode.c Revert "fs: add file and path permissions helpers" 2024-11-19 13:30:21 +01:00
local_storage.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lpm_trie.c bpf: Handle BPF_EXIST and BPF_NOEXIST for LPM trie 2024-12-17 13:24:28 +01:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
map_in_map.c bpf: Add map and need_defer parameters to .map_fd_put_ptr() 2024-11-18 12:13:12 +01:00
map_in_map.h bpf: Add map and need_defer parameters to .map_fd_put_ptr() 2024-11-18 12:13:12 +01:00
map_iter.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
net_namespace.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
offload.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
percpu_freelist.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
percpu_freelist.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
prog_iter.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
queue_stack_maps.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
reuseport_array.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ringbuf.c bpf: Fix overrunning reservations in ringbuf 2024-11-19 14:19:51 +01:00
stackmap.c bpf: Fix stackmap overflow check on 32-bit arches 2024-11-19 08:44:49 +01:00
syscall.c bpf: In bpf_task_fd_query use fget_task 2024-11-19 12:27:27 +01:00
sysfs_btf.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
task_iter.c file: Replace fcheck_files with files_lookup_fd_rcu 2024-11-19 12:27:27 +01:00
tnum.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trampoline.c Revert "x86/ibt,ftrace: Search for __fentry__ location" 2024-11-24 00:23:31 +01:00
verifier.c bpf: use kvzmalloc to allocate BPF verifier environment 2024-11-30 02:33:27 +01:00