| nl80211.c (b9243ab0c9e3e4dbd54ae8f44cf0cdb5838c8746) | nl80211.c (d1e33e654ef6bb3dee766353ed9dd31e7dcb8a94) |
|---|---|
| 1/* 2 * This is the new netlink-based wireless configuration interface. 3 * 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> 5 */ 6 7#include <linux/if.h> 8#include <linux/module.h> --- 7298 unchanged lines hidden (view full) --- 7307 } 7308 7309 return true; 7310} 7311 7312static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { 7313 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, 7314 .len = NL80211_MAX_SUPP_RATES }, | 1/* 2 * This is the new netlink-based wireless configuration interface. 3 * 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> 5 */ 6 7#include <linux/if.h> 8#include <linux/module.h> --- 7298 unchanged lines hidden (view full) --- 7307 } 7308 7309 return true; 7310} 7311 7312static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { 7313 [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, 7314 .len = NL80211_MAX_SUPP_RATES }, |
| 7315 [NL80211_TXRATE_MCS] = { .type = NLA_BINARY, 7316 .len = NL80211_MAX_SUPP_HT_RATES }, | 7315 [NL80211_TXRATE_HT] = { .type = NLA_BINARY, 7316 .len = NL80211_MAX_SUPP_HT_RATES }, |
| 7317}; 7318 7319static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, 7320 struct genl_info *info) 7321{ 7322 struct nlattr *tb[NL80211_TXRATE_MAX + 1]; 7323 struct cfg80211_registered_device *rdev = info->user_ptr[0]; 7324 struct cfg80211_bitrate_mask mask; --- 9 unchanged lines hidden (view full) --- 7334 /* Default to all rates enabled */ 7335 for (i = 0; i < IEEE80211_NUM_BANDS; i++) { 7336 sband = rdev->wiphy.bands[i]; 7337 7338 if (!sband) 7339 continue; 7340 7341 mask.control[i].legacy = (1 << sband->n_bitrates) - 1; | 7317}; 7318 7319static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, 7320 struct genl_info *info) 7321{ 7322 struct nlattr *tb[NL80211_TXRATE_MAX + 1]; 7323 struct cfg80211_registered_device *rdev = info->user_ptr[0]; 7324 struct cfg80211_bitrate_mask mask; --- 9 unchanged lines hidden (view full) --- 7334 /* Default to all rates enabled */ 7335 for (i = 0; i < IEEE80211_NUM_BANDS; i++) { 7336 sband = rdev->wiphy.bands[i]; 7337 7338 if (!sband) 7339 continue; 7340 7341 mask.control[i].legacy = (1 << sband->n_bitrates) - 1; |
| 7342 memcpy(mask.control[i].mcs, | 7342 memcpy(mask.control[i].ht_mcs, |
| 7343 sband->ht_cap.mcs.rx_mask, | 7343 sband->ht_cap.mcs.rx_mask, |
| 7344 sizeof(mask.control[i].mcs)); | 7344 sizeof(mask.control[i].ht_mcs)); |
| 7345 } 7346 7347 /* if no rates are given set it back to the defaults */ 7348 if (!info->attrs[NL80211_ATTR_TX_RATES]) 7349 goto out; 7350 7351 /* 7352 * The nested attribute uses enum nl80211_band as the index. This maps --- 14 unchanged lines hidden (view full) --- 7367 mask.control[band].legacy = rateset_to_mask( 7368 sband, 7369 nla_data(tb[NL80211_TXRATE_LEGACY]), 7370 nla_len(tb[NL80211_TXRATE_LEGACY])); 7371 if ((mask.control[band].legacy == 0) && 7372 nla_len(tb[NL80211_TXRATE_LEGACY])) 7373 return -EINVAL; 7374 } | 7345 } 7346 7347 /* if no rates are given set it back to the defaults */ 7348 if (!info->attrs[NL80211_ATTR_TX_RATES]) 7349 goto out; 7350 7351 /* 7352 * The nested attribute uses enum nl80211_band as the index. This maps --- 14 unchanged lines hidden (view full) --- 7367 mask.control[band].legacy = rateset_to_mask( 7368 sband, 7369 nla_data(tb[NL80211_TXRATE_LEGACY]), 7370 nla_len(tb[NL80211_TXRATE_LEGACY])); 7371 if ((mask.control[band].legacy == 0) && 7372 nla_len(tb[NL80211_TXRATE_LEGACY])) 7373 return -EINVAL; 7374 } |
| 7375 if (tb[NL80211_TXRATE_MCS]) { | 7375 if (tb[NL80211_TXRATE_HT]) { |
| 7376 if (!ht_rateset_to_mask( 7377 sband, | 7376 if (!ht_rateset_to_mask( 7377 sband, |
| 7378 nla_data(tb[NL80211_TXRATE_MCS]), 7379 nla_len(tb[NL80211_TXRATE_MCS]), 7380 mask.control[band].mcs)) | 7378 nla_data(tb[NL80211_TXRATE_HT]), 7379 nla_len(tb[NL80211_TXRATE_HT]), 7380 mask.control[band].ht_mcs)) |
| 7381 return -EINVAL; 7382 } 7383 7384 if (mask.control[band].legacy == 0) { 7385 /* don't allow empty legacy rates if HT 7386 * is not even supported. */ 7387 if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) 7388 return -EINVAL; 7389 7390 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | 7381 return -EINVAL; 7382 } 7383 7384 if (mask.control[band].legacy == 0) { 7385 /* don't allow empty legacy rates if HT 7386 * is not even supported. */ 7387 if (!rdev->wiphy.bands[band]->ht_cap.ht_supported) 7388 return -EINVAL; 7389 7390 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) |
| 7391 if (mask.control[band].mcs[i]) | 7391 if (mask.control[band].ht_mcs[i]) |
| 7392 break; 7393 7394 /* legacy and mcs rates may not be both empty */ 7395 if (i == IEEE80211_HT_MCS_MASK_LEN) 7396 return -EINVAL; 7397 } 7398 } 7399 --- 4101 unchanged lines hidden --- | 7392 break; 7393 7394 /* legacy and mcs rates may not be both empty */ 7395 if (i == IEEE80211_HT_MCS_MASK_LEN) 7396 return -EINVAL; 7397 } 7398 } 7399 --- 4101 unchanged lines hidden --- |