---
name: "ieee80211_start_tx_ba_session"
section: "9"
platform: "linux"
package: "linux-manual-3.16"
version: "3.16.56-1+deb8u1"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/ieee80211_start_tx_ba_session"
---

# ieee80211\_start\_tx\_ba\_session(9)

Start a tx Block Ack session.

## NAME

ieee80211\_start\_tx\_ba\_session - Start a tx Block Ack session.

## SYNOPSIS

**int ieee80211\_start\_tx\_ba\_session(struct ieee80211\_sta \*** *sta***, u16** *tid***, u16** *timeout***);**

## ARGUMENTS

*sta*

the station for which to start a BA session

*tid*

the TID to BA on.

*timeout*

session timeout value (in TUs)

## RETURN

success if addBA request was sent, failure otherwise

Although mac80211/low level driver/user space application can estimate the need to start aggregation on a certain RA/TID, the session level will be managed by the mac80211.

## AUTHOR

**Johannes Berg** \<johannes@sipsolutions.net\>

Author.

## COPYRIGHT