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ffec: Increase descriptor ring alignment

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For optimal performance a 64-byte alignment is recommended.
This commit is contained in:
Sebastian Huber
2017-09-27 09:23:06 +02:00
parent 9c3473572f
commit 1378632ad8
1 changed files with 1 additions and 1 deletions
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2
freebsd/sys/dev/ffec/if_ffecreg.h
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@@ -317,7 +317,7 @@ struct ffec_hwdesc
* The hardware imposes alignment restrictions on various objects involved in * The hardware imposes alignment restrictions on various objects involved in
* DMA transfers. These values are expressed in bytes (not bits). * DMA transfers. These values are expressed in bytes (not bits).
*/ */
#define FEC_DESC_RING_ALIGN 16 #define FEC_DESC_RING_ALIGN 64
#define FEC_RXBUF_ALIGN 16 #define FEC_RXBUF_ALIGN 16
#define FEC_TXBUF_ALIGN 16 #define FEC_TXBUF_ALIGN 16