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Diffstat (limited to 'Documentation/networking/ieee802154.txt')
| -rw-r--r-- | Documentation/networking/ieee802154.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/networking/ieee802154.txt b/Documentation/networking/ieee802154.txt index 22bbc72..09eb573 100644 --- a/Documentation/networking/ieee802154.txt +++ b/Documentation/networking/ieee802154.txt @@ -4,7 +4,7 @@ Introduction ============ -The IEEE 802.15.4 working group focuses on standardization of bottom +The IEEE 802.15.4 working group focuses on standartization of bottom two layers: Medium Access Control (MAC) and Physical (PHY). And there are mainly two options available for upper layers: - ZigBee - proprietary protocol from ZigBee Alliance @@ -66,7 +66,7 @@ net_device, with .type = ARPHRD_IEEE802154. Data is exchanged with socket family code via plain sk_buffs. On skb reception skb->cb must contain additional info as described in the struct ieee802154_mac_cb. During packet transmission the skb->cb is used to provide additional data to device's header_ops->create -function. Be aware that this data can be overridden later (when socket code +function. Be aware, that this data can be overriden later (when socket code submits skb to qdisc), so if you need something from that cb later, you should store info in the skb->data on your own. |