iwlwifi: mvm: change state when queueing agg start work

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Add a new state to enum iwl_mvm_agg_state, which is used between
queueing the work that starts tx aggregations and actually starting that
work (changing to state IWL_AGG_STARTING).
This solves a race where ieee80211_start_tx_ba_session is called a
second time, before the work queued by the first run has a chance to
change the agg_state. In this case the second call to
ieee80211_start_tx_ba_session returns an error, and the fallback is to
abort the ba session start.

Fixes: 482e48440a ("iwlwifi: mvm: change open and close criteria of a BA session")
Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

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Naftali Goldstein 2017-08-28 11:51:05 +03:00 • committed by Luca Coelho

parent 0fe8bed6e3

commit bd800e41a3

3 changed files with 8 additions and 3 deletions

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3

drivers/net/wireless/intel/iwlwifi/mvm/rs.c

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6

drivers/net/wireless/intel/iwlwifi/mvm/sta.c

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2

drivers/net/wireless/intel/iwlwifi/mvm/sta.h

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