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-rw-r--r--net/mac80211/util.c70
1 files changed, 1 insertions, 69 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 1e26b5235add..9e6c4dcef280 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -6,7 +6,7 @@
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2021 Intel Corporation
+ * Copyright (C) 2018-2022 Intel Corporation
*
* utilities for mac80211
*/
@@ -4212,74 +4212,6 @@ int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
return 0;
}
-bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs)
-{
- return !(cs == NULL || cs->cipher == 0 ||
- cs->hdr_len < cs->pn_len + cs->pn_off ||
- cs->hdr_len <= cs->key_idx_off ||
- cs->key_idx_shift > 7 ||
- cs->key_idx_mask == 0);
-}
-
-bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n)
-{
- int i;
-
- /* Ensure we have enough iftype bitmap space for all iftype values */
- WARN_ON((NUM_NL80211_IFTYPES / 8 + 1) > sizeof(cs[0].iftype));
-
- for (i = 0; i < n; i++)
- if (!ieee80211_cs_valid(&cs[i]))
- return false;
-
- return true;
-}
-
-const struct ieee80211_cipher_scheme *
-ieee80211_cs_get(struct ieee80211_local *local, u32 cipher,
- enum nl80211_iftype iftype)
-{
- const struct ieee80211_cipher_scheme *l = local->hw.cipher_schemes;
- int n = local->hw.n_cipher_schemes;
- int i;
- const struct ieee80211_cipher_scheme *cs = NULL;
-
- for (i = 0; i < n; i++) {
- if (l[i].cipher == cipher) {
- cs = &l[i];
- break;
- }
- }
-
- if (!cs || !(cs->iftype & BIT(iftype)))
- return NULL;
-
- return cs;
-}
-
-int ieee80211_cs_headroom(struct ieee80211_local *local,
- struct cfg80211_crypto_settings *crypto,
- enum nl80211_iftype iftype)
-{
- const struct ieee80211_cipher_scheme *cs;
- int headroom = IEEE80211_ENCRYPT_HEADROOM;
- int i;
-
- for (i = 0; i < crypto->n_ciphers_pairwise; i++) {
- cs = ieee80211_cs_get(local, crypto->ciphers_pairwise[i],
- iftype);
-
- if (cs && headroom < cs->hdr_len)
- headroom = cs->hdr_len;
- }
-
- cs = ieee80211_cs_get(local, crypto->cipher_group, iftype);
- if (cs && headroom < cs->hdr_len)
- headroom = cs->hdr_len;
-
- return headroom;
-}
-
static bool
ieee80211_extend_noa_desc(struct ieee80211_noa_data *data, u32 tsf, int i)
{