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linux/drivers/net/wwan
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Daniele Palmas 031f5c5ca0 net: wwan: mhi_wwan_mbim: use correct mux_id for multiplexing 
[ Upstream commit 501fe52aa9 ]

Recent Qualcomm chipsets like SDX72/75 require MBIM sessionId mapping
to muxId in the range (0x70-0x8F) for the PCIe tethered use.

This has been partially addressed by the referenced commit, mapping
the default data call to muxId = 112, but the multiplexed data calls
scenario was not properly considered, mapping sessionId = 1 to muxId
1, while it should have been 113.

Fix this by moving the session_id assignment logic to mhi_mbim_newlink,
in order to map sessionId = n to muxId = n + WDS_BIND_MUX_DATA_PORT_MUX_ID.

Fixes: 65bc58c3dc ("net: wwan: mhi: make default data link id configurable")
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Link: https://patch.msgid.link/20250603091204.2802840-1-dnlplm@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-06-19 15:32:19 +02:00
..
iosm net: wwan: iosm: Fix hibernation by re-binding the driver around it 2025-02-17 10:04:53 +01:00
t7xx net: wwan: t7xx: Fix napi rx poll issue 2025-06-19 15:32:17 +02:00
Kconfig Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-11-10 17:43:53 -08:00
Makefile net: wwan: t7xx: Add core components 2022-05-09 10:51:59 +01:00
mhi_wwan_ctrl.c wwan: core: Support slicing in port TX flow of WWAN subsystem 2023-03-17 22:38:31 -07:00
mhi_wwan_mbim.c net: wwan: mhi_wwan_mbim: use correct mux_id for multiplexing 2025-06-19 15:32:19 +02:00
qcom_bam_dmux.c net: wwan: qcom_bam_dmux: Fix missing pm_runtime_disable() 2024-09-27 12:39:02 +01:00
rpmsg_wwan_ctrl.c net: wwan: replace deprecated strncpy with strscpy 2023-10-20 18:15:05 -07:00
wwan_core.c net: wwan: fix global oob in wwan_rtnl_policy 2024-10-21 11:38:44 +02:00
wwan_hwsim.c net: wwan: hwsim: make wwan_hwsim_class constant 2024-03-05 11:21:18 -08:00