For not implemented apis, there is huge WARN prints as below
Introduced by QC commit
795434e6 msm: ipa: Add ipa rm support for ipa_v2
This caused regression in Rndis reverse path (DUT to PC)
W Call trace:
W : ipa_pm_is_used+0x44/0x78
W : rndis_ipa_start_xmit+0x2a0/0x708
W : dev_hard_start_xmit+0x140/0x290
W : sch_direct_xmit+0xd4/0x2e8
W : __qdisc_run+0x348/0x790
W : net_tx_action+0x274/0x2a8
W : __do_softirq+0x18c/0x374
W : run_ksoftirqd+0x24/0x40
W : smpboot_thread_fn+0x20c/0x270
W : kthread+0x140/0x150
W : ret_from_fork+0x10/0x18
W : ---[ end trace 4cfa2ba718c7aa80 ]---
W : ------------[ cut here ]------------
W : ipa_pm_is_used not implemented for IPA ver 18
W : WARNING: CPU: 3 PID: 37 at
drivers/platform/msm/ipa/ipa_api.c:3806 ipa_pm_is_used+0x44/0x78
Right now replace them with pr_debug to not hamper throughput and it
just print as below when dynamic debug is enabled
E : ipa_pm_is_used not implemented for IPA ver 18
Tests: iperf.exe -s -u -p5002 -w64M -i1 -t15 ( PC as server)
Seen 350+ Mbits/sec from DUT to PC with only USB tethering.
Change-Id: I67d9df7c1f77326f6172595967798e82c7f85175
Signed-off-by: Srihari Sathyanarayana <sriharis@motorola.com>
Reviewed-on: https://gerrit.mot.com/1877836
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Vijayakumar Gn <vijaygn@motorola.com>
Reviewed-by: Ling Jin <lingjin@motorola.com>
Submit-Approved: Jira Key
Signed-off-by: Robert Cabral <robertc@motorola.com>
Reviewed-on: https://gerrit.mot.com/1924169
Srihari Sathyanarayana
9aca9b9d18