ath10k: add  per station debugfs entry named 'tx_success_bytes'.

 Add a per station debugfs entry names 'tx_success-bytes. it is a read
 only entry. reading the entry returns the cumulative success bytes by
 summing up short gi success bytes , long gi success bytes and all the
 legacy rate success bytes.

BUG=b:35323622
TEST=Manually Tested
  1. Connect 2 STAs to 5GHz interface/band of AP.
  2. Ping 10 packets of 1000 bytes to AP's IP from Connected STA's
  3. Observe success bytes changing 'tx_success-bytes' file

  Repeated above steps for multiple STA and on 2.4GHz as well.

Change-Id: I761783a25e19fe54ab495acd324282343c9271ef
Reviewed-on: https://chromium-review.googlesource.com/445838
Commit-Ready: Srinivasa duvvuri <sduvvuri@chromium.org>
Tested-by: Srinivasa duvvuri <sduvvuri@chromium.org>
Reviewed-by: Srinivasa duvvuri <sduvvuri@chromium.org>
1 file changed