X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Fmac80211%2Fdebugfs_key.c;h=19efc3a6a9327cfd343ab5e62de2a993ec6821bf;hb=5f21b0e642d7bf6fe4434c9ba12bc9cb96b17cf7;hp=7d56dc9e7326fb32deb9fb19b9a84afb4b191b22;hpb=8269cc4e2b0ddcdcb9e7f2034c464ef8613737a1;p=linux-2.6-omap-h63xx.git diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c index 7d56dc9e732..19efc3a6a93 100644 --- a/net/mac80211/debugfs_key.c +++ b/net/mac80211/debugfs_key.c @@ -10,21 +10,22 @@ #include #include "ieee80211_i.h" -#include "ieee80211_key.h" +#include "key.h" #include "debugfs.h" #include "debugfs_key.h" -#define KEY_READ(name, buflen, format_string) \ +#define KEY_READ(name, prop, buflen, format_string) \ static ssize_t key_##name##_read(struct file *file, \ char __user *userbuf, \ size_t count, loff_t *ppos) \ { \ char buf[buflen]; \ struct ieee80211_key *key = file->private_data; \ - int res = scnprintf(buf, buflen, format_string, key->name); \ + int res = scnprintf(buf, buflen, format_string, key->prop); \ return simple_read_from_buffer(userbuf, count, ppos, buf, res); \ } -#define KEY_READ_D(name) KEY_READ(name, 20, "%d\n") +#define KEY_READ_D(name) KEY_READ(name, name, 20, "%d\n") +#define KEY_READ_X(name) KEY_READ(name, name, 20, "0x%x\n") #define KEY_OPS(name) \ static const struct file_operations key_ ##name## _ops = { \ @@ -36,11 +37,27 @@ static const struct file_operations key_ ##name## _ops = { \ KEY_READ_##format(name) \ KEY_OPS(name) -KEY_FILE(keylen, D); -KEY_FILE(force_sw_encrypt, D); -KEY_FILE(keyidx, D); -KEY_FILE(hw_key_idx, D); +#define KEY_CONF_READ(name, buflen, format_string) \ + KEY_READ(conf_##name, conf.name, buflen, format_string) +#define KEY_CONF_READ_D(name) KEY_CONF_READ(name, 20, "%d\n") + +#define KEY_CONF_OPS(name) \ +static const struct file_operations key_ ##name## _ops = { \ + .read = key_conf_##name##_read, \ + .open = mac80211_open_file_generic, \ +} + +#define KEY_CONF_FILE(name, format) \ + KEY_CONF_READ_##format(name) \ + KEY_CONF_OPS(name) + +KEY_CONF_FILE(keylen, D); +KEY_CONF_FILE(keyidx, D); +KEY_CONF_FILE(hw_key_idx, D); +KEY_FILE(flags, X); KEY_FILE(tx_rx_count, D); +KEY_READ(ifindex, sdata->dev->ifindex, 20, "%d\n"); +KEY_OPS(ifindex); static ssize_t key_algorithm_read(struct file *file, char __user *userbuf, @@ -49,7 +66,7 @@ static ssize_t key_algorithm_read(struct file *file, char *alg; struct ieee80211_key *key = file->private_data; - switch (key->alg) { + switch (key->conf.alg) { case ALG_WEP: alg = "WEP\n"; break; @@ -74,17 +91,20 @@ static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf, int len; struct ieee80211_key *key = file->private_data; - switch (key->alg) { + switch (key->conf.alg) { case ALG_WEP: len = scnprintf(buf, sizeof(buf), "\n"); + break; case ALG_TKIP: len = scnprintf(buf, sizeof(buf), "%08x %04x\n", key->u.tkip.iv32, key->u.tkip.iv16); + break; case ALG_CCMP: tpn = key->u.ccmp.tx_pn; len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n", tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]); + break; default: return 0; } @@ -100,9 +120,10 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf, int i, len; const u8 *rpn; - switch (key->alg) { + switch (key->conf.alg) { case ALG_WEP: len = scnprintf(buf, sizeof(buf), "\n"); + break; case ALG_TKIP: for (i = 0; i < NUM_RX_DATA_QUEUES; i++) p += scnprintf(p, sizeof(buf)+buf-p, @@ -110,6 +131,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf, key->u.tkip.iv32_rx[i], key->u.tkip.iv16_rx[i]); len = p - buf; + break; case ALG_CCMP: for (i = 0; i < NUM_RX_DATA_QUEUES; i++) { rpn = key->u.ccmp.rx_pn[i]; @@ -119,6 +141,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf, rpn[3], rpn[4], rpn[5]); } len = p - buf; + break; default: return 0; } @@ -133,7 +156,7 @@ static ssize_t key_replays_read(struct file *file, char __user *userbuf, char buf[20]; int len; - if (key->alg != ALG_CCMP) + if (key->conf.alg != ALG_CCMP) return 0; len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays); return simple_read_from_buffer(userbuf, count, ppos, buf, len); @@ -144,12 +167,12 @@ static ssize_t key_key_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { struct ieee80211_key *key = file->private_data; - int i, res, bufsize = 2*key->keylen+2; + int i, res, bufsize = 2 * key->conf.keylen + 2; char *buf = kmalloc(bufsize, GFP_KERNEL); char *p = buf; - for (i = 0; i < key->keylen; i++) - p += scnprintf(p, bufsize+buf-p, "%02x", key->key[i]); + for (i = 0; i < key->conf.keylen; i++) + p += scnprintf(p, bufsize + buf - p, "%02x", key->conf.key[i]); p += scnprintf(p, bufsize+buf-p, "\n"); res = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); kfree(buf); @@ -161,23 +184,38 @@ KEY_OPS(key); key->debugfs.name = debugfs_create_file(#name, 0400,\ key->debugfs.dir, key, &key_##name##_ops); -void ieee80211_debugfs_key_add(struct ieee80211_local *local, - struct ieee80211_key *key) -{ - char buf[20]; +void ieee80211_debugfs_key_add(struct ieee80211_key *key) + { + static int keycount; + char buf[50]; + DECLARE_MAC_BUF(mac); + struct sta_info *sta; - if (!local->debugfs.keys) + if (!key->local->debugfs.keys) return; - sprintf(buf, "%d", key->keyidx); + sprintf(buf, "%d", keycount); + key->debugfs.cnt = keycount; + keycount++; key->debugfs.dir = debugfs_create_dir(buf, - local->debugfs.keys); + key->local->debugfs.keys); if (!key->debugfs.dir) return; + rcu_read_lock(); + sta = rcu_dereference(key->sta); + if (sta) + sprintf(buf, "../../stations/%s", print_mac(mac, sta->addr)); + rcu_read_unlock(); + + /* using sta as a boolean is fine outside RCU lock */ + if (sta) + key->debugfs.stalink = + debugfs_create_symlink("station", key->debugfs.dir, buf); + DEBUGFS_ADD(keylen); - DEBUGFS_ADD(force_sw_encrypt); + DEBUGFS_ADD(flags); DEBUGFS_ADD(keyidx); DEBUGFS_ADD(hw_key_idx); DEBUGFS_ADD(tx_rx_count); @@ -186,6 +224,7 @@ void ieee80211_debugfs_key_add(struct ieee80211_local *local, DEBUGFS_ADD(rx_spec); DEBUGFS_ADD(replays); DEBUGFS_ADD(key); + DEBUGFS_ADD(ifindex); }; #define DEBUGFS_DEL(name) \ @@ -197,7 +236,7 @@ void ieee80211_debugfs_key_remove(struct ieee80211_key *key) return; DEBUGFS_DEL(keylen); - DEBUGFS_DEL(force_sw_encrypt); + DEBUGFS_DEL(flags); DEBUGFS_DEL(keyidx); DEBUGFS_DEL(hw_key_idx); DEBUGFS_DEL(tx_rx_count); @@ -206,6 +245,7 @@ void ieee80211_debugfs_key_remove(struct ieee80211_key *key) DEBUGFS_DEL(rx_spec); DEBUGFS_DEL(replays); DEBUGFS_DEL(key); + DEBUGFS_DEL(ifindex); debugfs_remove(key->debugfs.stalink); key->debugfs.stalink = NULL; @@ -215,14 +255,23 @@ void ieee80211_debugfs_key_remove(struct ieee80211_key *key) void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata) { char buf[50]; + struct ieee80211_key *key; if (!sdata->debugfsdir) return; - sprintf(buf, "../keys/%d", sdata->default_key->keyidx); - sdata->debugfs.default_key = - debugfs_create_symlink("default_key", sdata->debugfsdir, buf); + /* this is running under the key lock */ + + key = sdata->default_key; + if (key) { + sprintf(buf, "../keys/%d", key->debugfs.cnt); + sdata->debugfs.default_key = + debugfs_create_symlink("default_key", + sdata->debugfsdir, buf); + } else + ieee80211_debugfs_key_remove_default(sdata); } + void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata) { if (!sdata) @@ -231,18 +280,6 @@ void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata) debugfs_remove(sdata->debugfs.default_key); sdata->debugfs.default_key = NULL; } -void ieee80211_debugfs_key_sta_link(struct ieee80211_key *key, - struct sta_info *sta) -{ - char buf[50]; - - if (!key->debugfs.dir) - return; - - sprintf(buf, "../sta/" MAC_FMT, MAC_ARG(sta->addr)); - key->debugfs.stalink = - debugfs_create_symlink("station", key->debugfs.dir, buf); -} void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key, struct sta_info *sta)