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Just two fixes: 

* HT operation is not allowed on channel 14 (Japan only)
  * netlink policy for nexthop attribute was wrong
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Merge tag 'mac80211-for-net-2019-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Just two fixes:
 * HT operation is not allowed on channel 14 (Japan only)
 * netlink policy for nexthop attribute was wrong
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-10-31 11:43:36 -07:00
parent 3da0966320 1fab1b89e2
commit 5a7ec66782
3 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
net/wireless/chan.c
View File

@ -204,6 +204,11 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
return false; return false;
} }
/* channel 14 is only for IEEE 802.11b */
if (chandef->center_freq1 == 2484 &&
chandef->width != NL80211_CHAN_WIDTH_20_NOHT)
return false;
if (cfg80211_chandef_is_edmg(chandef) && if (cfg80211_chandef_is_edmg(chandef) &&
!cfg80211_edmg_chandef_valid(chandef)) !cfg80211_edmg_chandef_valid(chandef))
return false; return false;

2
net/wireless/nl80211.c
View File

@ -393,7 +393,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
[NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_MESH_ID_LEN }, .len = IEEE80211_MAX_MESH_ID_LEN },
[NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
[NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
[NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },

3
net/wireless/util.c
View File

@ -1559,7 +1559,8 @@ bool ieee80211_chandef_to_operating_class(struct cfg80211_chan_def *chandef,
} }
if (freq == 2484) { if (freq == 2484) {
if (chandef->width > NL80211_CHAN_WIDTH_40) /* channel 14 is only for IEEE 802.11b */
if (chandef->width != NL80211_CHAN_WIDTH_20_NOHT)
return false; return false;
*op_class = 82; /* channel 14 */ *op_class = 82; /* channel 14 */