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@@ -56,8 +56,12 @@ HardMAC
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See the header include/net/ieee802154_netdev.h. You have to implement Linux
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net_device, with .type = ARPHRD_IEEE802154. Data is exchanged with socket family
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-code via plain sk_buffs. The control block of sk_buffs will contain additional
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-info as described in the struct ieee802154_mac_cb.
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+code via plain sk_buffs. On skb reception skb->cb must contain additional
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+info as described in the struct ieee802154_mac_cb. During packet transmission
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+the skb->cb is used to provide additional data to device's header_ops->create
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+function. Be aware, that this data can be overriden later (when socket code
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+submits skb to qdisc), so if you need something from that cb later, you should
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+store info in the skb->data on your own.
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To hook the MLME interface you have to populate the ml_priv field of your
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net_device with a pointer to struct ieee802154_mlme_ops instance. All fields are
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@@ -73,3 +77,4 @@ We are going to provide intermediate layer implementing IEEE 802.15.4 MAC
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in software. This is currently WIP.
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See header include/net/mac802154.h and several drivers in drivers/ieee802154/.
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+
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Dmitry Eremin-Solenikov