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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 09eb57329f11..22bbc7225f8e 100644 --- a/Documentation/networking/ieee802154.txt +++ b/Documentation/networking/ieee802154.txt | |||
| @@ -4,7 +4,7 @@ | |||
| 4 | 4 | ||
| 5 | Introduction | 5 | Introduction |
| 6 | ============ | 6 | ============ |
| 7 | The IEEE 802.15.4 working group focuses on standartization of bottom | 7 | The IEEE 802.15.4 working group focuses on standardization of bottom |
| 8 | two layers: Medium Access Control (MAC) and Physical (PHY). And there | 8 | two layers: Medium Access Control (MAC) and Physical (PHY). And there |
| 9 | are mainly two options available for upper layers: | 9 | are mainly two options available for upper layers: |
| 10 | - ZigBee - proprietary protocol from ZigBee Alliance | 10 | - ZigBee - proprietary protocol from ZigBee Alliance |
| @@ -66,7 +66,7 @@ net_device, with .type = ARPHRD_IEEE802154. Data is exchanged with socket family | |||
| 66 | code via plain sk_buffs. On skb reception skb->cb must contain additional | 66 | code via plain sk_buffs. On skb reception skb->cb must contain additional |
| 67 | info as described in the struct ieee802154_mac_cb. During packet transmission | 67 | info as described in the struct ieee802154_mac_cb. During packet transmission |
| 68 | the skb->cb is used to provide additional data to device's header_ops->create | 68 | the skb->cb is used to provide additional data to device's header_ops->create |
| 69 | function. Be aware, that this data can be overriden later (when socket code | 69 | function. Be aware that this data can be overridden later (when socket code |
| 70 | submits skb to qdisc), so if you need something from that cb later, you should | 70 | submits skb to qdisc), so if you need something from that cb later, you should |
| 71 | store info in the skb->data on your own. | 71 | store info in the skb->data on your own. |
| 72 | 72 | ||