diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mld/mlo.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/mlo.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mlo.c b/drivers/net/wireless/intel/iwlwifi/mld/mlo.c index a870e169e265..da16fff1ce86 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/mlo.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/mlo.c @@ -52,7 +52,8 @@ static void iwl_mld_print_emlsr_blocked(struct iwl_mld *mld, u32 mask) HOW(BT_COEX) \ HOW(CHAN_LOAD) \ HOW(RFI) \ - HOW(FW_REQUEST) + HOW(FW_REQUEST) \ + HOW(INVALID) static const char * iwl_mld_get_emlsr_exit_string(enum iwl_mld_emlsr_exit exit) @@ -643,11 +644,11 @@ iwl_mld_emlsr_disallowed_with_link(struct iwl_mld *mld, { struct wiphy *wiphy = mld->wiphy; struct ieee80211_bss_conf *conf; - enum iwl_mld_emlsr_exit ret = 0; + u32 ret = 0; conf = wiphy_dereference(wiphy, vif->link_conf[link->link_id]); if (WARN_ON_ONCE(!conf)) - return false; + return IWL_MLD_EMLSR_EXIT_INVALID; if (link->chandef->chan->band == NL80211_BAND_2GHZ && mld->bt_is_active) ret |= IWL_MLD_EMLSR_EXIT_BT_COEX; @@ -772,8 +773,8 @@ iwl_mld_channel_load_allows_emlsr(struct iwl_mld *mld, if (a->chandef->width <= b->chandef->width) return true; - bw_a = nl80211_chan_width_to_mhz(a->chandef->width); - bw_b = nl80211_chan_width_to_mhz(b->chandef->width); + bw_a = cfg80211_chandef_get_width(a->chandef); + bw_b = cfg80211_chandef_get_width(b->chandef); ratio = bw_a / bw_b; switch (ratio) { @@ -804,8 +805,28 @@ iwl_mld_valid_emlsr_pair(struct ieee80211_vif *vif, iwl_mld_emlsr_disallowed_with_link(mld, vif, b, false)) return false; - if (a->chandef->chan->band == b->chandef->chan->band) - reason_mask |= IWL_MLD_EMLSR_EXIT_EQUAL_BAND; + if (a->chandef->chan->band == b->chandef->chan->band) { + const struct cfg80211_chan_def *c_low = a->chandef; + const struct cfg80211_chan_def *c_high = b->chandef; + u32 c_low_upper_edge, c_high_lower_edge; + + if (c_low->chan->center_freq > c_high->chan->center_freq) + swap(c_low, c_high); + + c_low_upper_edge = c_low->chan->center_freq + + cfg80211_chandef_get_width(c_low) / 2; + c_high_lower_edge = c_high->chan->center_freq - + cfg80211_chandef_get_width(c_high) / 2; + + if (a->chandef->chan->band == NL80211_BAND_5GHZ && + c_low_upper_edge <= 5330 && c_high_lower_edge >= 5490) { + /* This case is fine - HW/FW can deal with it, there's + * enough separation between the two channels. + */ + } else { + reason_mask |= IWL_MLD_EMLSR_EXIT_EQUAL_BAND; + } + } if (!iwl_mld_channel_load_allows_emlsr(mld, vif, a, b)) reason_mask |= IWL_MLD_EMLSR_EXIT_CHAN_LOAD; |