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authorMiquel Raynal <miquel.raynal@bootlin.com>2022-10-07 11:53:06 +0300
committerStefan Schmidt <stefan@datenfreihafen.org>2022-10-12 13:57:02 +0300
commita87815b7bbcd10d7e113c366eb6310c5898ff952 (patch)
treeee4da03f8a222e2b05357c4e59fb5e7329fd4b9f /drivers/net/ieee802154
parentac8037c35bd1fb1799d39f52205f813e6585b58b (diff)
downloadlinux-a87815b7bbcd10d7e113c366eb6310c5898ff952.tar.xz
ieee802154: hwsim: Record the address filter values
As a first step, introduce a basic implementation for the ->set_hw_addr_filt() hook. In a second step, the values recorded here will be used to perform proper filtering during reception. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Alexander Aring <aahringo@redhat.com> Link: https://lore.kernel.org/r/20221007085310.503366-5-miquel.raynal@bootlin.com Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Diffstat (limited to 'drivers/net/ieee802154')
-rw-r--r--drivers/net/ieee802154/mac802154_hwsim.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c
index 38c217bd7c82..458be66b5195 100644
--- a/drivers/net/ieee802154/mac802154_hwsim.c
+++ b/drivers/net/ieee802154/mac802154_hwsim.c
@@ -47,6 +47,7 @@ static const struct genl_multicast_group hwsim_mcgrps[] = {
struct hwsim_pib {
u8 page;
u8 channel;
+ struct ieee802154_hw_addr_filt filt;
struct rcu_head rcu;
};
@@ -101,6 +102,38 @@ static int hwsim_hw_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
pib->channel = channel;
pib_old = rtnl_dereference(phy->pib);
+
+ pib->filt.short_addr = pib_old->filt.short_addr;
+ pib->filt.pan_id = pib_old->filt.pan_id;
+ pib->filt.ieee_addr = pib_old->filt.ieee_addr;
+ pib->filt.pan_coord = pib_old->filt.pan_coord;
+
+ rcu_assign_pointer(phy->pib, pib);
+ kfree_rcu(pib_old, rcu);
+ return 0;
+}
+
+static int hwsim_hw_addr_filt(struct ieee802154_hw *hw,
+ struct ieee802154_hw_addr_filt *filt,
+ unsigned long changed)
+{
+ struct hwsim_phy *phy = hw->priv;
+ struct hwsim_pib *pib, *pib_old;
+
+ pib = kzalloc(sizeof(*pib), GFP_KERNEL);
+ if (!pib)
+ return -ENOMEM;
+
+ pib_old = rtnl_dereference(phy->pib);
+
+ pib->page = pib_old->page;
+ pib->channel = pib_old->channel;
+
+ pib->filt.short_addr = filt->short_addr;
+ pib->filt.pan_id = filt->pan_id;
+ pib->filt.ieee_addr = filt->ieee_addr;
+ pib->filt.pan_coord = filt->pan_coord;
+
rcu_assign_pointer(phy->pib, pib);
kfree_rcu(pib_old, rcu);
return 0;
@@ -172,6 +205,7 @@ static const struct ieee802154_ops hwsim_ops = {
.start = hwsim_hw_start,
.stop = hwsim_hw_stop,
.set_promiscuous_mode = hwsim_set_promiscuous_mode,
+ .set_hw_addr_filt = hwsim_hw_addr_filt,
};
static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
@@ -787,6 +821,8 @@ static int hwsim_add_one(struct genl_info *info, struct device *dev,
}
pib->channel = 13;
+ pib->filt.short_addr = cpu_to_le16(IEEE802154_ADDR_BROADCAST);
+ pib->filt.pan_id = cpu_to_le16(IEEE802154_PANID_BROADCAST);
rcu_assign_pointer(phy->pib, pib);
phy->idx = idx;
INIT_LIST_HEAD(&phy->edges);