From 1f5a7e47ae58cc23c623c09f1c9d97b7a8cf6344 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 27 Jul 2007 15:43:23 +0200 Subject: [MAC80211]: split out some key functions from ieee80211.c into a new file key.c which doesn't have much code right now but it makes ieee80211.c easier to read. Signed-off-by: Johannes Berg Signed-off-by: Jiri Benc Signed-off-by: John W. Linville --- net/mac80211/Makefile | 1 + net/mac80211/ieee80211.c | 56 ------------------------------------- net/mac80211/ieee80211_i.h | 14 ++++++---- net/mac80211/key.c | 69 ++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 78 insertions(+), 62 deletions(-) create mode 100644 net/mac80211/key.c diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile index 848260296a0..d95de3f8a4b 100644 --- a/net/mac80211/Makefile +++ b/net/mac80211/Makefile @@ -20,4 +20,5 @@ mac80211-objs := \ ieee80211_cfg.o \ rx.o \ tx.o \ + key.o \ $(mac80211-objs-y) diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index 02fb00ec2ed..f20e647552e 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -33,7 +33,6 @@ #include "ieee80211_cfg.h" #include "debugfs.h" #include "debugfs_netdev.h" -#include "debugfs_key.h" /* privid for wiphys to determine whether they belong to us or not */ void *mac80211_wiphy_privid = &mac80211_wiphy_privid; @@ -63,61 +62,6 @@ struct ieee80211_tx_status_rtap_hdr { } __attribute__ ((packed)); -struct ieee80211_key_conf * -ieee80211_key_data2conf(struct ieee80211_local *local, - const struct ieee80211_key *data) -{ - struct ieee80211_key_conf *conf; - - conf = kmalloc(sizeof(*conf) + data->keylen, GFP_ATOMIC); - if (!conf) - return NULL; - - conf->hw_key_idx = data->hw_key_idx; - conf->alg = data->alg; - conf->keylen = data->keylen; - conf->flags = 0; - if (data->force_sw_encrypt) - conf->flags |= IEEE80211_KEY_FORCE_SW_ENCRYPT; - conf->keyidx = data->keyidx; - if (data->default_tx_key) - conf->flags |= IEEE80211_KEY_DEFAULT_TX_KEY; - if (local->default_wep_only) - conf->flags |= IEEE80211_KEY_DEFAULT_WEP_ONLY; - memcpy(conf->key, data->key, data->keylen); - - return conf; -} - -struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata, - int idx, size_t key_len, gfp_t flags) -{ - struct ieee80211_key *key; - - key = kzalloc(sizeof(struct ieee80211_key) + key_len, flags); - if (!key) - return NULL; - kref_init(&key->kref); - return key; -} - -static void ieee80211_key_release(struct kref *kref) -{ - struct ieee80211_key *key; - - key = container_of(kref, struct ieee80211_key, kref); - if (key->alg == ALG_CCMP) - ieee80211_aes_key_free(key->u.ccmp.tfm); - ieee80211_debugfs_key_remove(key); - kfree(key); -} - -void ieee80211_key_free(struct ieee80211_key *key) -{ - if (key) - kref_put(&key->kref, ieee80211_key_release); -} - static int rate_list_match(const int *rate_list, int rate) { int i; diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 9d3401d1291..af8b9848e02 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -719,12 +719,6 @@ static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) int ieee80211_hw_config(struct ieee80211_local *local); int ieee80211_if_config(struct net_device *dev); int ieee80211_if_config_beacon(struct net_device *dev); -struct ieee80211_key_conf * -ieee80211_key_data2conf(struct ieee80211_local *local, - const struct ieee80211_key *data); -struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata, - int idx, size_t key_len, gfp_t flags); -void ieee80211_key_free(struct ieee80211_key *key); void ieee80211_rx_mgmt(struct ieee80211_local *local, struct sk_buff *skb, struct ieee80211_rx_status *status, u32 msg_type); void ieee80211_prepare_rates(struct ieee80211_local *local, @@ -833,6 +827,14 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); int ieee80211_mgmt_start_xmit(struct sk_buff *skb, struct net_device *dev); +/* key handling */ +struct ieee80211_key_conf * +ieee80211_key_data2conf(struct ieee80211_local *local, + const struct ieee80211_key *data); +struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata, + int idx, size_t key_len, gfp_t flags); +void ieee80211_key_free(struct ieee80211_key *key); + /* for wiphy privid */ extern void *mac80211_wiphy_privid; diff --git a/net/mac80211/key.c b/net/mac80211/key.c new file mode 100644 index 00000000000..b67558c2463 --- /dev/null +++ b/net/mac80211/key.c @@ -0,0 +1,69 @@ +/* + * Copyright 2002-2005, Instant802 Networks, Inc. + * Copyright 2005-2006, Devicescape Software, Inc. + * Copyright 2006-2007 Jiri Benc + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include "ieee80211_i.h" +#include "debugfs_key.h" +#include "aes_ccm.h" + +struct ieee80211_key_conf * +ieee80211_key_data2conf(struct ieee80211_local *local, + const struct ieee80211_key *data) +{ + struct ieee80211_key_conf *conf; + + conf = kmalloc(sizeof(*conf) + data->keylen, GFP_ATOMIC); + if (!conf) + return NULL; + + conf->hw_key_idx = data->hw_key_idx; + conf->alg = data->alg; + conf->keylen = data->keylen; + conf->flags = 0; + if (data->force_sw_encrypt) + conf->flags |= IEEE80211_KEY_FORCE_SW_ENCRYPT; + conf->keyidx = data->keyidx; + if (data->default_tx_key) + conf->flags |= IEEE80211_KEY_DEFAULT_TX_KEY; + if (local->default_wep_only) + conf->flags |= IEEE80211_KEY_DEFAULT_WEP_ONLY; + memcpy(conf->key, data->key, data->keylen); + + return conf; +} + +struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata, + int idx, size_t key_len, gfp_t flags) +{ + struct ieee80211_key *key; + + key = kzalloc(sizeof(struct ieee80211_key) + key_len, flags); + if (!key) + return NULL; + kref_init(&key->kref); + return key; +} + +static void ieee80211_key_release(struct kref *kref) +{ + struct ieee80211_key *key; + + key = container_of(kref, struct ieee80211_key, kref); + if (key->alg == ALG_CCMP) + ieee80211_aes_key_free(key->u.ccmp.tfm); + ieee80211_debugfs_key_remove(key); + kfree(key); +} + +void ieee80211_key_free(struct ieee80211_key *key) +{ + if (key) + kref_put(&key->kref, ieee80211_key_release); +} -- cgit v1.2.3