diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c index 72bb6865dd63..f2378e0fb2fb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c @@ -1341,6 +1341,22 @@ iwl_mvm_mld_mac_pre_channel_switch(struct ieee80211_hw *hw, else selected = primary; + /* + * remembers to tell the firmware that this link can't tx + * Note that this logic seems to be unrelated to esr, but it + * really is needed only when esr is active. When we have a + * single link, the firmware will handle all this on its own. + * In multi-link scenarios, we can learn about the CSA from + * another link and this logic is too complex for the firmware + * to track. + * Since we want to de-activate the link that got a CSA, we + * need to tell the firmware not to send any frame on that link + * as the firmware may not be aware that link is under a CSA + * with mode=1 (no Tx allowed). + */ + if (chsw->block_tx && mvmvif->link[chsw->link_id]) + mvmvif->link[chsw->link_id]->csa_block_tx = true; + iwl_mvm_exit_esr(mvm, vif, IWL_MVM_ESR_EXIT_CSA, selected); mutex_unlock(&mvm->mutex); |