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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-09-27 09:23:06 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-09-27 11:02:06 +0200 |
commit | 1378632ad81676c3a69d8e4656c2b5765bac2bd1 (patch) | |
tree | c1ad311294d56a7cb642590c31adb6404f499cde | |
parent | ffec: Use explicit cache synchronization (diff) | |
download | rtems-libbsd-1378632ad81676c3a69d8e4656c2b5765bac2bd1.tar.bz2 |
ffec: Increase descriptor ring alignment
For optimal performance a 64-byte alignment is recommended.
-rw-r--r-- | freebsd/sys/dev/ffec/if_ffecreg.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/freebsd/sys/dev/ffec/if_ffecreg.h b/freebsd/sys/dev/ffec/if_ffecreg.h index bc44af3a..6faa0950 100644 --- a/freebsd/sys/dev/ffec/if_ffecreg.h +++ b/freebsd/sys/dev/ffec/if_ffecreg.h @@ -317,7 +317,7 @@ struct ffec_hwdesc * The hardware imposes alignment restrictions on various objects involved in * 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_TXBUF_ALIGN 16 |