From e98b23d0d7b85e883216e44b12b2a8fe9a8264ff Mon Sep 17 00:00:00 2001 From: Ilan Peer Date: Thu, 15 Jun 2023 09:47:19 +0300 Subject: wifi: iwlwifi: mvm: Add support for SCAN API version 16 Scan API version 16 use link ID for reporting the TSF of scan results (instead of MAC ID used in previous versions). Signed-off-by: Ilan Peer Signed-off-by: Gregory Greenman Link: https://lore.kernel.org/r/20230615094410.05bf3e612297.Ie3075f7068af38c335d26778ab7d0ec4b1c026c3@changeid Signed-off-by: Johannes Berg --- drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 46 +++++++++++++++++++++------ 1 file changed, 36 insertions(+), 10 deletions(-) (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/scan.c') diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index d7ac9ddbcfba..b2154e9fcf01 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -2292,11 +2292,12 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, } static void -iwl_mvm_scan_umac_fill_general_p_v11(struct iwl_mvm *mvm, +iwl_mvm_scan_umac_fill_general_p_v12(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, struct ieee80211_vif *vif, struct iwl_scan_general_params_v11 *gp, - u16 gen_flags, u8 gen_flags2) + u16 gen_flags, u8 gen_flags2, + u32 version) { struct iwl_mvm_vif *scan_vif = iwl_mvm_vif_from_mac80211(vif); @@ -2313,7 +2314,23 @@ iwl_mvm_scan_umac_fill_general_p_v11(struct iwl_mvm *mvm, if (gen_flags & IWL_UMAC_SCAN_GEN_FLAGS_V2_FRAGMENTED_LMAC2) gp->num_of_fragments[SCAN_HB_LMAC_IDX] = IWL_SCAN_NUM_OF_FRAGS; - gp->scan_start_mac_id = scan_vif->id; + if (version < 12) { + gp->scan_start_mac_or_link_id = scan_vif->id; + } else { + struct iwl_mvm_vif_link_info *link_info; + u8 link_id = 0; + + /* Use one of the active link (if any). In the future it would + * be possible that the link ID would be part of the scan + * request coming from upper layers so we would need to use it. + */ + if (vif->active_links) + link_id = ffs(vif->active_links) - 1; + + link_info = scan_vif->link[link_id]; + if (!WARN_ON(!link_info)) + gp->scan_start_mac_or_link_id = link_info->fw_link_id; + } } static void @@ -2408,9 +2425,9 @@ static int iwl_mvm_scan_umac_v12(struct iwl_mvm *mvm, struct ieee80211_vif *vif, cmd->uid = cpu_to_le32(uid); gen_flags = iwl_mvm_scan_umac_flags_v2(mvm, params, vif, type); - iwl_mvm_scan_umac_fill_general_p_v11(mvm, params, vif, + iwl_mvm_scan_umac_fill_general_p_v12(mvm, params, vif, &scan_p->general_params, - gen_flags, 0); + gen_flags, 0, 12); ret = iwl_mvm_fill_scan_sched_params(params, scan_p->periodic_params.schedule, @@ -2430,8 +2447,8 @@ static int iwl_mvm_scan_umac_v14_and_above(struct iwl_mvm *mvm, struct iwl_mvm_scan_params *params, int type, int uid, u32 version) { - struct iwl_scan_req_umac_v15 *cmd = mvm->scan_cmd; - struct iwl_scan_req_params_v15 *scan_p = &cmd->scan_params; + struct iwl_scan_req_umac_v16 *cmd = mvm->scan_cmd; + struct iwl_scan_req_params_v16 *scan_p = &cmd->scan_params; struct iwl_scan_channel_params_v6 *cp = &scan_p->channel_params; struct iwl_scan_probe_params_v4 *pb = &scan_p->probe_params; int ret; @@ -2451,9 +2468,9 @@ static int iwl_mvm_scan_umac_v14_and_above(struct iwl_mvm *mvm, else gen_flags2 = 0; - iwl_mvm_scan_umac_fill_general_p_v11(mvm, params, vif, + iwl_mvm_scan_umac_fill_general_p_v12(mvm, params, vif, &scan_p->general_params, - gen_flags, gen_flags2); + gen_flags, gen_flags2, version); ret = iwl_mvm_fill_scan_sched_params(params, scan_p->periodic_params.schedule, @@ -2507,6 +2524,13 @@ static int iwl_mvm_scan_umac_v15(struct iwl_mvm *mvm, struct ieee80211_vif *vif, return iwl_mvm_scan_umac_v14_and_above(mvm, vif, params, type, uid, 15); } +static int iwl_mvm_scan_umac_v16(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct iwl_mvm_scan_params *params, int type, + int uid) +{ + return iwl_mvm_scan_umac_v14_and_above(mvm, vif, params, type, uid, 16); +} + static int iwl_mvm_num_scans(struct iwl_mvm *mvm) { return hweight32(mvm->scan_status & IWL_MVM_SCAN_MASK); @@ -2622,6 +2646,7 @@ struct iwl_scan_umac_handler { static const struct iwl_scan_umac_handler iwl_scan_umac_handlers[] = { /* set the newest version first to shorten the list traverse time */ + IWL_SCAN_UMAC_HANDLER(16), IWL_SCAN_UMAC_HANDLER(15), IWL_SCAN_UMAC_HANDLER(14), IWL_SCAN_UMAC_HANDLER(12), @@ -3210,7 +3235,8 @@ static size_t iwl_scan_req_umac_get_size(u8 scan_ver) return sizeof(struct iwl_scan_req_umac_v12); case 14: case 15: - return sizeof(struct iwl_scan_req_umac_v15); + case 16: + return sizeof(struct iwl_scan_req_umac_v16); } return 0; -- cgit v1.2.3