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Date: Tue, 3 Aug 2021 15:36:27 +0200 From: Loic Poulain <loic.poulain@...aro.org> To: davem@...emloft.net, kuba@...nel.org Cc: ryazanov.s.a@...il.com, johannes@...solutions.net, richard.laing@...iedtelesis.co.nz, netdev@...r.kernel.org, Loic Poulain <loic.poulain@...aro.org> Subject: [PATCH net-next v2 0/2] net: mhi: move MBIM to WWAN 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
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