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* [PATCH net-next v2 0/2] net: mhi: move MBIM to WWAN
@ 2021-08-03 13:36 Loic Poulain
  2021-08-03 13:36 ` [PATCH net-next v2 1/2] net: wwan: Add MHI MBIM network driver Loic Poulain
  2021-08-03 13:36 ` [PATCH net-next v2 2/2] net: mhi: Remove MBIM protocol Loic Poulain
  0 siblings, 2 replies; 3+ messages in thread
From: Loic Poulain @ 2021-08-03 13:36 UTC (permalink / raw)
  To: davem, kuba; +Cc: ryazanov.s.a, johannes, richard.laing, netdev, Loic Poulain

Implement a proper WWAN driver for MBIM network protocol, with multi link
management supported through the WWAN framework (wwan rtnetlink).

Until now, MBIM over MHI was supported directly in the mhi_net driver, via
some protocol rx/tx fixup callbacks, but with only one session supported
(no multilink muxing). We can then remove that part from mhi_net and restore
the driver to a simpler version for 'raw' ip transfer (or QMAP via rmnet link).

Note that a wwan0 link is created by default for session-id 0. Additional links
can be managed via ip tool:

    $ ip link add dev wwan0mms parentdev wwan0 type wwan linkid 1

Changes in v2:
- Fix warnings reported with `make W=1 C=1`
- Add missing rcu_read lock/unlock for mbim links access

Loic Poulain (2):
  net: wwan: Add MHI MBIM network driver
  net: mhi: Remove MBIM protocol

 drivers/net/Kconfig              |   4 +-
 drivers/net/Makefile             |   2 +-
 drivers/net/mhi/Makefile         |   3 -
 drivers/net/mhi/mhi.h            |  41 ---
 drivers/net/mhi/net.c            | 487 -----------------------------
 drivers/net/mhi/proto_mbim.c     | 310 -------------------
 drivers/net/mhi_net.c            | 418 +++++++++++++++++++++++++
 drivers/net/wwan/Kconfig         |  12 +
 drivers/net/wwan/Makefile        |   1 +
 drivers/net/wwan/mhi_wwan_mbim.c | 648 +++++++++++++++++++++++++++++++++++++++
 10 files changed, 1082 insertions(+), 844 deletions(-)
 delete mode 100644 drivers/net/mhi/Makefile
 delete mode 100644 drivers/net/mhi/mhi.h
 delete mode 100644 drivers/net/mhi/net.c
 delete mode 100644 drivers/net/mhi/proto_mbim.c
 create mode 100644 drivers/net/mhi_net.c
 create mode 100644 drivers/net/wwan/mhi_wwan_mbim.c

-- 
2.7.4


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-08-03 13:26 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-08-03 13:36 [PATCH net-next v2 0/2] net: mhi: move MBIM to WWAN Loic Poulain
2021-08-03 13:36 ` [PATCH net-next v2 1/2] net: wwan: Add MHI MBIM network driver Loic Poulain
2021-08-03 13:36 ` [PATCH net-next v2 2/2] net: mhi: Remove MBIM protocol Loic Poulain

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