wifi: iwlwifi: mld: remove support for iwl_mcc_update_resp versions

iwlmld was planned to be used for HR/GF, which has versions 5/6,
but it was decided at the end to use iwlmvm for HR/GF, so iwlmld only
needs to support version 8.
Remove versions 5 and 6 support.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250711183056.9c64bfbb16cb.I109bee4d4bf455cbffbb8d2340023338bcab886d@changeid

diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mcc.c b/drivers/net/wireless/intel/iwlwifi/mld/mcc.c
index 680abda95adbb7cb569698dacb5dc7df44e2a8ac..16bb1b4904f9972069af468c654d515e2639ea84 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mld/mcc.c
+++ b/drivers/net/wireless/intel/iwlwifi/mld/mcc.c
@@ -15,7 +15,7 @@
 
 /* It is the caller's responsibility to free the pointer returned here */
 static struct iwl_mcc_update_resp_v8 *
-iwl_mld_parse_mcc_update_resp_v8(const struct iwl_rx_packet *pkt)
+iwl_mld_copy_mcc_resp(const struct iwl_rx_packet *pkt)
 {
        const struct iwl_mcc_update_resp_v8 *mcc_resp_v8 = (const void *)pkt->data;
        int n_channels = __le32_to_cpu(mcc_resp_v8->n_channels);
@@ -32,43 +32,11 @@ iwl_mld_parse_mcc_update_resp_v8(const struct iwl_rx_packet *pkt)
        return resp_cp;
 }
 
-/* It is the caller's responsibility to free the pointer returned here */
-static struct iwl_mcc_update_resp_v8 *
-iwl_mld_parse_mcc_update_resp_v5_v6(const struct iwl_rx_packet *pkt)
-{
-       const struct iwl_mcc_update_resp_v4 *mcc_resp_v4 = (const void *)pkt->data;
-       struct iwl_mcc_update_resp_v8 *resp_cp;
-       int n_channels = __le32_to_cpu(mcc_resp_v4->n_channels);
-       int resp_len;
-
-       if (iwl_rx_packet_payload_len(pkt) !=
-           struct_size(mcc_resp_v4, channels, n_channels))
-               return ERR_PTR(-EINVAL);
-
-       resp_len = struct_size(resp_cp, channels, n_channels);
-       resp_cp = kzalloc(resp_len, GFP_KERNEL);
-       if (!resp_cp)
-               return ERR_PTR(-ENOMEM);
-
-       resp_cp->status = mcc_resp_v4->status;
-       resp_cp->mcc = mcc_resp_v4->mcc;
-       resp_cp->cap = cpu_to_le32(le16_to_cpu(mcc_resp_v4->cap));
-       resp_cp->source_id = mcc_resp_v4->source_id;
-       resp_cp->geo_info = mcc_resp_v4->geo_info;
-       resp_cp->n_channels = mcc_resp_v4->n_channels;
-       memcpy(resp_cp->channels, mcc_resp_v4->channels,
-              n_channels * sizeof(__le32));
-
-       return resp_cp;
-}
-
 /* It is the caller's responsibility to free the pointer returned here */
 static struct iwl_mcc_update_resp_v8 *
 iwl_mld_update_mcc(struct iwl_mld *mld, const char *alpha2,
                   enum iwl_mcc_source src_id)
 {
-       int resp_ver = iwl_fw_lookup_notif_ver(mld->fw, LONG_GROUP,
-                                              MCC_UPDATE_CMD, 0);
        struct iwl_mcc_update_cmd mcc_update_cmd = {
                .mcc = cpu_to_le16(alpha2[0] << 8 | alpha2[1]),
                .source_id = (u8)src_id,
@@ -93,23 +61,7 @@ iwl_mld_update_mcc(struct iwl_mld *mld, const char *alpha2,
 
        pkt = cmd.resp_pkt;
 
-       /* For Wifi-7 radios, we get version 8
-        * For Wifi-6E radios, we get version 6
-        * For Wifi-6 radios, we get version 5, but 5, 6, and 4 are compatible.
-        */
-       switch (resp_ver) {
-       case 5:
-       case 6:
-               resp_cp = iwl_mld_parse_mcc_update_resp_v5_v6(pkt);
-               break;
-       case 8:
-               resp_cp = iwl_mld_parse_mcc_update_resp_v8(pkt);
-               break;
-       default:
-               IWL_FW_CHECK_FAILED(mld, "Unknown MCC_UPDATE_CMD version %d\n", resp_ver);
-               resp_cp = ERR_PTR(-EINVAL);
-       }
-
+       resp_cp = iwl_mld_copy_mcc_resp(pkt);
        if (IS_ERR(resp_cp))
                goto exit;