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wlcore: allow ACX_BA_SESSION_RX_SETUP to fail 

Under some circumstances, that fw might be asked to
remove a rx ba sessions it doesn't know about. In
this case, instead of triggering a recovery, accept
the error code (CMD_STATUS_NO_RX_BA_SESSION) and
ignore it.

[Arik - indicate failure up when the BA session cannot be setup]

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Eliad Peller 2012-11-27 08:44:46 +02:00 committed by Luciano Coelho
parent ea5084356f
commit 3b44b3b368
1 changed files with 11 additions and 2 deletions
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13
drivers/net/wireless/ti/wlcore/acx.c
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@ -1433,13 +1433,22 @@ int wl12xx_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index,
acx->win_size = wl->conf.ht.rx_ba_win_size;
acx->ssn = ssn;
ret = wl1271_cmd_configure(wl, ACX_BA_SESSION_RX_SETUP, acx,
sizeof(*acx));
ret = wlcore_cmd_configure_failsafe(wl, ACX_BA_SESSION_RX_SETUP, acx,
sizeof(*acx),
BIT(CMD_STATUS_NO_RX_BA_SESSION));
if (ret < 0) {
wl1271_warning("acx ba receiver session failed: %d", ret);
goto out;
}
/* sometimes we can't start the session */
if (ret == CMD_STATUS_NO_RX_BA_SESSION) {
wl1271_warning("no fw rx ba on tid %d", tid_index);
ret = -EBUSY;
goto out;
}
ret = 0;
out:
kfree(acx);
return ret;