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authorVadim Kochan <vadim4j@gmail.com>2015-01-12 16:34:05 +0200
committerJohannes Berg <johannes.berg@intel.com>2015-01-23 10:25:25 +0100
commit4b681c82d2f9bef121c912ffcaac89a004af3f2c (patch)
treeaf24f8eb044ffbddd346c3e34cd611963ab760ef /net/wireless/nl80211.c
parentfa7e1fbcb52cc9efab394526a566d80fb31529bb (diff)
downloadop-kernel-dev-4b681c82d2f9bef121c912ffcaac89a004af3f2c.zip
op-kernel-dev-4b681c82d2f9bef121c912ffcaac89a004af3f2c.tar.gz
nl80211: Allow set network namespace by fd
Added new NL80211_ATTR_NETNS_FD which allows to set namespace via nl80211 by fd. Signed-off-by: Vadim Kochan <vadim4j@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index c5661c5..c64100e 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -397,6 +397,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
[NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN },
[NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
+ [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
};
/* policy for the key attributes */
@@ -7762,14 +7763,19 @@ static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net *net;
int err;
- u32 pid;
- if (!info->attrs[NL80211_ATTR_PID])
- return -EINVAL;
+ if (info->attrs[NL80211_ATTR_PID]) {
+ u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
+
+ net = get_net_ns_by_pid(pid);
+ } else if (info->attrs[NL80211_ATTR_NETNS_FD]) {
+ u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]);
- pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
+ net = get_net_ns_by_fd(fd);
+ } else {
+ return -EINVAL;
+ }
- net = get_net_ns_by_pid(pid);
if (IS_ERR(net))
return PTR_ERR(net);
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