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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c140
1 files changed, 104 insertions, 36 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 0f1b18f209d6..62bdb1adaa4d 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -371,8 +371,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 },
[NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG },
[NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED },
- [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_U16 },
- [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_U16 },
+ [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY },
+ [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY },
[NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY },
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY },
[NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG },
@@ -386,6 +386,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
[NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
[NL80211_ATTR_IFACE_SOCKET_OWNER] = { .type = NLA_FLAG },
+ [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY },
};
/* policy for the key attributes */
@@ -970,8 +971,10 @@ static int nl80211_put_iface_combinations(struct wiphy *wiphy,
c->max_interfaces))
goto nla_put_failure;
if (large &&
- nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
- c->radar_detect_widths))
+ (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS,
+ c->radar_detect_widths) ||
+ nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS,
+ c->radar_detect_regions)))
goto nla_put_failure;
nla_nest_end(msg, nl_combi);
@@ -1667,6 +1670,13 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
}
nla_nest_end(msg, nested);
}
+ state->split_start++;
+ break;
+ case 12:
+ if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH &&
+ nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS,
+ rdev->wiphy.max_num_csa_counters))
+ goto nla_put_failure;
/* done */
state->split_start = 0;
@@ -3640,6 +3650,10 @@ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED,
sinfo->tx_failed))
goto nla_put_failure;
+ if ((sinfo->filled & STATION_INFO_EXPECTED_THROUGHPUT) &&
+ nla_put_u32(msg, NL80211_STA_INFO_EXPECTED_THROUGHPUT,
+ sinfo->expected_throughput))
+ goto nla_put_failure;
if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) &&
nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS,
sinfo->beacon_loss_count))
@@ -5820,7 +5834,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
return -EBUSY;
err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef,
- NL80211_IFTYPE_UNSPECIFIED);
+ wdev->iftype);
if (err < 0)
return err;
@@ -5861,6 +5875,7 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
u8 radar_detect_width = 0;
int err;
bool need_new_beacon = false;
+ int len, i;
if (!rdev->ops->channel_switch ||
!(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH))
@@ -5919,26 +5934,55 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON])
return -EINVAL;
- params.counter_offset_beacon =
- nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
- if (params.counter_offset_beacon >= params.beacon_csa.tail_len)
+ len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
+ if (!len || (len % sizeof(u16)))
return -EINVAL;
- /* sanity check - counters should be the same */
- if (params.beacon_csa.tail[params.counter_offset_beacon] !=
- params.count)
+ params.n_counter_offsets_beacon = len / sizeof(u16);
+ if (rdev->wiphy.max_num_csa_counters &&
+ (params.n_counter_offsets_beacon >
+ rdev->wiphy.max_num_csa_counters))
return -EINVAL;
+ params.counter_offsets_beacon =
+ nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]);
+
+ /* sanity checks - counters should fit and be the same */
+ for (i = 0; i < params.n_counter_offsets_beacon; i++) {
+ u16 offset = params.counter_offsets_beacon[i];
+
+ if (offset >= params.beacon_csa.tail_len)
+ return -EINVAL;
+
+ if (params.beacon_csa.tail[offset] != params.count)
+ return -EINVAL;
+ }
+
if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) {
- params.counter_offset_presp =
- nla_get_u16(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
- if (params.counter_offset_presp >=
- params.beacon_csa.probe_resp_len)
+ len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
+ if (!len || (len % sizeof(u16)))
return -EINVAL;
- if (params.beacon_csa.probe_resp[params.counter_offset_presp] !=
- params.count)
+ params.n_counter_offsets_presp = len / sizeof(u16);
+ if (rdev->wiphy.max_num_csa_counters &&
+ (params.n_counter_offsets_beacon >
+ rdev->wiphy.max_num_csa_counters))
return -EINVAL;
+
+ params.counter_offsets_presp =
+ nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]);
+
+ /* sanity checks - counters should fit and be the same */
+ for (i = 0; i < params.n_counter_offsets_presp; i++) {
+ u16 offset = params.counter_offsets_presp[i];
+
+ if (offset >= params.beacon_csa.probe_resp_len)
+ return -EINVAL;
+
+ if (params.beacon_csa.probe_resp[offset] !=
+ params.count)
+ return -EINVAL;
+ }
}
skip_beacons:
@@ -7784,6 +7828,27 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
if (!chandef.chan && params.offchan)
return -EINVAL;
+ params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
+ params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
+
+ if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) {
+ int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
+ int i;
+
+ if (len % sizeof(u16))
+ return -EINVAL;
+
+ params.n_csa_offsets = len / sizeof(u16);
+ params.csa_offsets =
+ nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]);
+
+ /* check that all the offsets fit the frame */
+ for (i = 0; i < params.n_csa_offsets; i++) {
+ if (params.csa_offsets[i] >= params.len)
+ return -EINVAL;
+ }
+ }
+
if (!params.dont_wait_for_ack) {
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
@@ -7797,8 +7862,6 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
}
}
- params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
- params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
params.chan = chandef.chan;
err = cfg80211_mlme_mgmt_tx(rdev, wdev, &params, &cookie);
if (err)
@@ -8495,6 +8558,8 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
rem) {
+ u8 *mask_pat;
+
nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
nla_len(pat), NULL);
err = -EINVAL;
@@ -8518,19 +8583,18 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
goto error;
new_triggers.patterns[i].pkt_offset = pkt_offset;
- new_triggers.patterns[i].mask =
- kmalloc(mask_len + pat_len, GFP_KERNEL);
- if (!new_triggers.patterns[i].mask) {
+ mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
+ if (!mask_pat) {
err = -ENOMEM;
goto error;
}
- new_triggers.patterns[i].pattern =
- new_triggers.patterns[i].mask + mask_len;
- memcpy(new_triggers.patterns[i].mask,
- nla_data(pat_tb[NL80211_PKTPAT_MASK]),
+ new_triggers.patterns[i].mask = mask_pat;
+ memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
mask_len);
+ mask_pat += mask_len;
+ new_triggers.patterns[i].pattern = mask_pat;
new_triggers.patterns[i].pattern_len = pat_len;
- memcpy(new_triggers.patterns[i].pattern,
+ memcpy(mask_pat,
nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
pat_len);
i++;
@@ -8722,6 +8786,8 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN],
rem) {
+ u8 *mask_pat;
+
nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
nla_len(pat), NULL);
if (!pat_tb[NL80211_PKTPAT_MASK] ||
@@ -8743,17 +8809,19 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
return -EINVAL;
new_rule->patterns[i].pkt_offset = pkt_offset;
- new_rule->patterns[i].mask =
- kmalloc(mask_len + pat_len, GFP_KERNEL);
- if (!new_rule->patterns[i].mask)
+ mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL);
+ if (!mask_pat)
return -ENOMEM;
- new_rule->patterns[i].pattern =
- new_rule->patterns[i].mask + mask_len;
- memcpy(new_rule->patterns[i].mask,
- nla_data(pat_tb[NL80211_PKTPAT_MASK]), mask_len);
+
+ new_rule->patterns[i].mask = mask_pat;
+ memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]),
+ mask_len);
+
+ mask_pat += mask_len;
+ new_rule->patterns[i].pattern = mask_pat;
new_rule->patterns[i].pattern_len = pat_len;
- memcpy(new_rule->patterns[i].pattern,
- nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), pat_len);
+ memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]),
+ pat_len);
i++;
}