Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target...
[firefly-linux-kernel-4.4.55.git] / drivers / net / wireless / iwlwifi / iwl-drv.c
index ff570027e9dd9fa02f3e8360af6966b480c68069..c3728163be463224b4e3eb38b5573aa85370e193 100644 (file)
@@ -5,7 +5,7 @@
  *
  * GPL LICENSE SUMMARY
  *
- * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved.
+ * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -30,7 +30,7 @@
  *
  * BSD LICENSE
  *
- * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved.
+ * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -322,6 +322,41 @@ static void set_sec_offset(struct iwl_firmware_pieces *pieces,
        pieces->img[type].sec[sec].offset = offset;
 }
 
+static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
+{
+       int i, j;
+       struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
+       struct iwl_fw_cipher_scheme *fwcs;
+       struct ieee80211_cipher_scheme *cs;
+       u32 cipher;
+
+       if (len < sizeof(*l) ||
+           len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
+               return -EINVAL;
+
+       for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
+               fwcs = &l->cs[j];
+               cipher = le32_to_cpu(fwcs->cipher);
+
+               /* we skip schemes with zero cipher suite selector */
+               if (!cipher)
+                       continue;
+
+               cs = &fw->cs[j++];
+               cs->cipher = cipher;
+               cs->iftype = BIT(NL80211_IFTYPE_STATION);
+               cs->hdr_len = fwcs->hdr_len;
+               cs->pn_len = fwcs->pn_len;
+               cs->pn_off = fwcs->pn_off;
+               cs->key_idx_off = fwcs->key_idx_off;
+               cs->key_idx_mask = fwcs->key_idx_mask;
+               cs->key_idx_shift = fwcs->key_idx_shift;
+               cs->mic_len = fwcs->mic_len;
+       }
+
+       return 0;
+}
+
 /*
  * Gets uCode section from tlv.
  */
@@ -729,6 +764,10 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
                                return -EINVAL;
                        }
                        break;
+               case IWL_UCODE_TLV_CSCHEME:
+                       if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
+                               goto invalid_tlv_len;
+                       break;
                default:
                        IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
                        break;