Message ID | 20201204163656.1623-3-tparkin@katalix.com (mailing list archive) |
---|---|
State | Changes Requested |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | add ppp_generic ioctl(s) to bridge channels | expand |
Context | Check | Description |
---|---|---|
netdev/cover_letter | success | Link |
netdev/fixes_present | success | Link |
netdev/patch_count | success | Link |
netdev/tree_selection | success | Clearly marked for net-next |
netdev/subject_prefix | success | Link |
netdev/source_inline | success | Was 0 now: 0 |
netdev/verify_signedoff | success | Link |
netdev/module_param | success | Was 0 now: 0 |
netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
netdev/verify_fixes | success | Link |
netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 22 lines checked |
netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
netdev/header_inline | success | Link |
netdev/stable | success | Stable not CCed |
diff --git a/Documentation/networking/ppp_generic.rst b/Documentation/networking/ppp_generic.rst index e60504377900..5a10abce5964 100644 --- a/Documentation/networking/ppp_generic.rst +++ b/Documentation/networking/ppp_generic.rst @@ -314,6 +314,22 @@ channel are: it is connected to. It will return an EINVAL error if the channel is not connected to an interface. +* PPPIOCBRIDGECHAN bridges a channel with another. The argument should + point to an int containing the channel number of the channel to bridge + to. Once two channels are bridged, frames presented to one channel by + ppp_input() are passed to the bridge instance for onward transmission. + This allows frames to be switched from one channel into another: for + example, to pass PPPoE frames into a PPPoL2TP session. Since channel + bridging interrupts the normal ppp_input() path, a given channel may + not be part of a bridge at the same time as being part of a unit. + This ioctl will return an EALREADY error if the channel is already + part of a bridge or unit, or ENXIO if the requested channel does not + exist. + +* PPPIOCUNBRIDGECHAN performs the inverse of PPPIOCBRIDGECHAN, unbridging + a channel pair. This ioctl will return an EINVAL error if the channel + does not form part of a bridge. + * All other ioctl commands are passed to the channel ioctl() function. The ioctl calls that are available on an instance that is attached to
Add documentation of the newly-added PPPIOCBRIDGECHAN and PPPIOCUNBRIDGECHAN ioctls. Signed-off-by: Tom Parkin <tparkin@katalix.com> --- Documentation/networking/ppp_generic.rst | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)