CVSROOT: /cvs
Module name: src
Changes by: m...@cvs.openbsd.org 2021/07/27 03:29:09
Modified files:
sys/net : pipex.c pipex_local.h
Log message:
Introduce mutex(9) to protect pipex(4) session content.
With bluhm@'s diff for parallel forwarding pipex(4) could be accessed in
parallel through (*ifp->if_input)() -> ether_input() ->
pipex_pppoe_input(). PPPOE pipex(4) sessions are mostly immutable except
MPPE crypt.
The new per-session `pxs_mtx' mutex(9) used to protect session's
`ccp-id' which is incremented each time we send CCP reset-request.
The new `pxm_mtx' mutex(9) used to protect MPPE context. Each pipex(4)
session has two of them: one for the input and one for output path.
Where is no lock order limitations because those new mutex(9)'es never
held together.
ok bluhm@
