@@ -210,9 +210,51 @@ static ssize_t sta_hash_read(struct file *file, char __user *user_buf,
return q;
}
+static ssize_t sdata_hash_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ int mxln = 15000;
+ char *buf = kzalloc(mxln, GFP_KERNEL);
+ int q, res = 0;
+ struct ieee80211_sub_if_data *s;
+
+ if (!buf)
+ return 0;
+
+ mutex_lock(&local->iflist_mtx);
+ for (q = 0; q < STA_HASH_SIZE; q++) {
+ s = local->sdata_hash[q];
+ if (s) {
+ res += snprintf(buf + res, mxln - res, "%i: ", q);
+ if (res >= mxln)
+ goto done;
+ }
+ while (s) {
+ res += snprintf(buf + res, mxln - res, " %pM",
+ s->vif.addr);
+ if (res >= mxln)
+ goto done;
+ s = s->hnext;
+ }
+ if (local->sdata_hash[q]) {
+ res += snprintf(buf + res, mxln - res, "\n");
+ if (res >= mxln)
+ goto done;
+ }
+ }
+done:
+ mutex_unlock(&local->iflist_mtx);
+
+ q = simple_read_from_buffer(user_buf, count, ppos, buf, res);
+ kfree(buf);
+ return q;
+}
+
DEBUGFS_READONLY_FILE_OPS(hwflags);
DEBUGFS_READONLY_FILE_OPS(queues);
DEBUGFS_READONLY_FILE_OPS(sta_hash);
+DEBUGFS_READONLY_FILE_OPS(sdata_hash);
/* statistics stuff */
@@ -282,6 +324,7 @@ void debugfs_hw_add(struct ieee80211_local *local)
DEBUGFS_ADD(wep_iv);
DEBUGFS_ADD(queues);
DEBUGFS_ADD(sta_hash);
+ DEBUGFS_ADD(sdata_hash);
#ifdef CONFIG_PM
DEBUGFS_ADD_MODE(reset, 0200);
#endif
@@ -30,17 +30,22 @@ static ssize_t ieee80211_if_read(
size_t count, loff_t *ppos,
ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
{
- char buf[70];
+ int mxln = STA_HASH_SIZE * 10;
+ char *buf = kzalloc(mxln, GFP_KERNEL);
ssize_t ret = -EINVAL;
+ if (!buf)
+ return 0;
+
read_lock(&dev_base_lock);
if (sdata->dev->reg_state == NETREG_REGISTERED)
- ret = (*format)(sdata, buf, sizeof(buf));
+ ret = (*format)(sdata, buf, mxln);
read_unlock(&dev_base_lock);
if (ret >= 0)
ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
+ kfree(buf);
return ret;
}
@@ -201,6 +206,50 @@ ieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata,
}
__IEEE80211_IF_FILE(hw_queues, NULL);
+static ssize_t
+ieee80211_if_fmt_sta_hash(const struct ieee80211_sub_if_data *sdata,
+ char *buf, int buflen)
+{
+ int q, res = 0;
+ struct sta_info *sta;
+
+ mutex_lock(&sdata->local->sta_mtx);
+ for (q = 0; q < STA_HASH_SIZE; q++) {
+ int cnt = 0;
+ sta = sdata->sta_vhash[q];
+ while (sta) {
+ cnt++;
+ sta = sta->vnext;
+ }
+ if (cnt) {
+ res += snprintf(buf + res, buflen - res, "%i: %i ",
+ q, cnt);
+ if (res >= buflen) {
+ res = buflen;
+ break;
+ }
+ sta = sdata->sta_vhash[q];
+ while (sta) {
+ res += snprintf(buf + res, buflen - res, " %pM",
+ sta->sta.addr);
+ if (res >= buflen) {
+ res = buflen;
+ break;
+ }
+ sta = sta->vnext;
+ }
+ res += snprintf(buf + res, buflen - res, "\n");
+ if (res >= buflen) {
+ res = buflen;
+ break;
+ }
+ }
+ }
+ mutex_unlock(&sdata->local->sta_mtx);
+ return res;
+}
+__IEEE80211_IF_FILE(sta_hash, NULL);
+
/* STA attributes */
IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
@@ -545,6 +594,7 @@ static void add_common_files(struct ieee80211_sub_if_data *sdata)
DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz);
DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz);
DEBUGFS_ADD(hw_queues);
+ DEBUGFS_ADD(sta_hash);
}
static void add_sta_files(struct ieee80211_sub_if_data *sdata)