diff options
| author | Breno Leitao <leitao@debian.org> | 2023-10-16 16:47:39 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-10-19 23:05:28 +0300 |
| commit | a615f67e1a426f35366b8398c11f31c148e7df48 (patch) | |
| tree | 4e4f6688f2ea831ce503599d3880f73d60e026db /include/linux/bpf-cgroup.h | |
| parent | 6ce4a93dbb5bd93bc2bdf14da63f9360a4dcd6a1 (diff) | |
| download | linux-a615f67e1a426f35366b8398c11f31c148e7df48.tar.xz | |
bpf: Add sockptr support for getsockopt
The whole network stack uses sockptr, and while it doesn't move to
something more modern, let's use sockptr in getsockptr BPF hooks, so, it
could be used by other callers.
The main motivation for this change is to use it in the io_uring
{g,s}etsockopt(), which will use a userspace pointer for *optval, but, a
kernel value for optlen.
Link: https://lore.kernel.org/all/ZSArfLaaGcfd8LH8@gmail.com/
Signed-off-by: Breno Leitao <leitao@debian.org>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20231016134750.1381153-2-leitao@debian.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/bpf-cgroup.h')
| -rw-r--r-- | include/linux/bpf-cgroup.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h index 8506690dbb9c..f5b4fb6ed8c6 100644 --- a/include/linux/bpf-cgroup.h +++ b/include/linux/bpf-cgroup.h @@ -139,9 +139,10 @@ int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head, int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level, int *optname, char __user *optval, int *optlen, char **kernel_optval); + int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level, - int optname, char __user *optval, - int __user *optlen, int max_optlen, + int optname, sockptr_t optval, + sockptr_t optlen, int max_optlen, int retval); int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level, |