diff options
| author | Alexander Aring <aar@pengutronix.de> | 2016-06-18 10:45:34 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2016-07-08 12:20:57 +0200 |
| commit | 66e5c2672cd11b9310008099faf6a4ffb9dfb6d0 (patch) | |
| tree | 44fa2118c4570d457a5f4cafd33ec9fdd4bc28f3 /net/ieee802154/nl802154.c | |
| parent | aece0c3fe1f06962a591268b8c236df0ae5d9e4e (diff) | |
| download | linux-66e5c2672cd11b9310008099faf6a4ffb9dfb6d0.tar.bz2 | |
ieee802154: add netns support
This patch adds netns support for 802.15.4 subsystem. Most parts are
copy&pasted from wireless subsystem, it has the identically userspace
API.
Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Alexander Aring <aar@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/ieee802154/nl802154.c')
| -rw-r--r-- | net/ieee802154/nl802154.c | 54 |
1 files changed, 49 insertions, 5 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 116187b5c267..d90a4ed5b8a0 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -80,7 +80,8 @@ __cfg802154_wpan_dev_from_attrs(struct net *netns, struct nlattr **attrs) list_for_each_entry(rdev, &cfg802154_rdev_list, list) { struct wpan_dev *wpan_dev; - /* TODO netns compare */ + if (wpan_phy_net(&rdev->wpan_phy) != netns) + continue; if (have_wpan_dev_id && rdev->wpan_phy_idx != wpan_phy_idx) continue; @@ -175,7 +176,8 @@ __cfg802154_rdev_from_attrs(struct net *netns, struct nlattr **attrs) if (!rdev) return ERR_PTR(-ENODEV); - /* TODO netns compare */ + if (netns != wpan_phy_net(&rdev->wpan_phy)) + return ERR_PTR(-ENODEV); return rdev; } @@ -233,6 +235,8 @@ static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = { [NL802154_ATTR_ACKREQ_DEFAULT] = { .type = NLA_U8 }, + [NL802154_ATTR_PID] = { .type = NLA_U32 }, + [NL802154_ATTR_NETNS_FD] = { .type = NLA_U32 }, #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL [NL802154_ATTR_SEC_ENABLED] = { .type = NLA_U8, }, [NL802154_ATTR_SEC_OUT_LEVEL] = { .type = NLA_U32, }, @@ -590,7 +594,6 @@ static int nl802154_dump_wpan_phy_parse(struct sk_buff *skb, struct cfg802154_registered_device *rdev; int ifidx = nla_get_u32(tb[NL802154_ATTR_IFINDEX]); - /* TODO netns */ netdev = __dev_get_by_index(&init_net, ifidx); if (!netdev) return -ENODEV; @@ -629,7 +632,8 @@ nl802154_dump_wpan_phy(struct sk_buff *skb, struct netlink_callback *cb) } list_for_each_entry(rdev, &cfg802154_rdev_list, list) { - /* TODO net ns compare */ + if (!net_eq(wpan_phy_net(&rdev->wpan_phy), sock_net(skb->sk))) + continue; if (++idx <= state->start) continue; if (state->filter_wpan_phy != -1 && @@ -871,7 +875,8 @@ nl802154_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) rtnl_lock(); list_for_each_entry(rdev, &cfg802154_rdev_list, list) { - /* TODO netns compare */ + if (!net_eq(wpan_phy_net(&rdev->wpan_phy), sock_net(skb->sk))) + continue; if (wp_idx < wp_start) { wp_idx++; continue; @@ -1271,6 +1276,37 @@ nl802154_set_ackreq_default(struct sk_buff *skb, struct genl_info *info) return rdev_set_ackreq_default(rdev, wpan_dev, ackreq); } +static int nl802154_wpan_phy_netns(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg802154_registered_device *rdev = info->user_ptr[0]; + struct net *net; + int err; + + if (info->attrs[NL802154_ATTR_PID]) { + u32 pid = nla_get_u32(info->attrs[NL802154_ATTR_PID]); + + net = get_net_ns_by_pid(pid); + } else if (info->attrs[NL802154_ATTR_NETNS_FD]) { + u32 fd = nla_get_u32(info->attrs[NL802154_ATTR_NETNS_FD]); + + net = get_net_ns_by_fd(fd); + } else { + return -EINVAL; + } + + if (IS_ERR(net)) + return PTR_ERR(net); + + err = 0; + + /* check if anything to do */ + if (!net_eq(wpan_phy_net(&rdev->wpan_phy), net)) + err = cfg802154_switch_netns(rdev, net); + + put_net(net); + return err; +} + #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL static const struct nla_policy nl802154_dev_addr_policy[NL802154_DEV_ADDR_ATTR_MAX + 1] = { [NL802154_DEV_ADDR_ATTR_PAN_ID] = { .type = NLA_U16 }, @@ -2262,6 +2298,14 @@ static const struct genl_ops nl802154_ops[] = { NL802154_FLAG_NEED_RTNL, }, { + .cmd = NL802154_CMD_SET_WPAN_PHY_NETNS, + .doit = nl802154_wpan_phy_netns, + .policy = nl802154_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL802154_FLAG_NEED_WPAN_PHY | + NL802154_FLAG_NEED_RTNL, + }, + { .cmd = NL802154_CMD_SET_PAN_ID, .doit = nl802154_set_pan_id, .policy = nl802154_policy, |