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include/nuttx/net/netdev.h: Update some comments.

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Gregory Nutt
2019-02-25 19:20:29 -06:00
parent 0951151c33
commit ef49b5e1b5
1 changed files with 5 additions and 2 deletions
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include/nuttx/net/netdev.h
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@@ -297,6 +297,9 @@ struct net_driver_s
* outgoing packets. However, the driver design may be concurrently * outgoing packets. However, the driver design may be concurrently
* sending and filling separate, break-off buffers. That buffer * sending and filling separate, break-off buffers. That buffer
* management must be controlled by the driver. * management must be controlled by the driver.
*
* The d_buf array must be aligned to two-byte, 16-bit address boundaries
* in order to support aligned 16-bit accesses performed by the network.
*/ */
FAR uint8_t *d_buf; FAR uint8_t *d_buf;