IABSD.fr/src/sys/netmpls

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  Commit

• Author : mvs
  Date : 2024-08-14 17:52:47
  Hash : 7af15f03
  Message : Push kernel lock down to net_sysctl(). All except PF_MPLS paths are mp-safe: - net_link_sysctl() and following net_ifiq_sysctl() only return EOPNOTSUPP; - uipc_sysctl() - mp-safe atomic access to integers; - bpf_sysctl() - mp-safe atomic access to integers; - pflow_sysctl() - returns statistics from per-CPU counters; - pipex_sysctl() - mp-safe atomic access to integer; Push kernel lock down to mpls_sysctl(). sysctl_int_bounded() do copying with local variable, so context switch is safe. No need to wire memory or take `sysctl_lock' rwlock(9). Keep protocols locked as they was include pages wiring. Copying will not sleep - no network slowdown while doing it with net lock held. ok bluhm

• Files
• mpls.h
• mpls_input.c
• mpls_output.c
• mpls_proto.c
• mpls_raw.c
• mpls_shim.c