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| author | hselasky <hselasky@FreeBSD.org> | 2011-04-26 19:40:37 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2011-04-26 19:40:37 +0000 |
| commit | 367ad6085180bae746c3d198a10f285cc3ce0755 (patch) | |
| tree | 85f391dc31ecd0472dc22076ab5d285133e7923d /sys/dev | |
| parent | 465b8d715b30c5302f4ab5025b7047645f35abde (diff) | |
| download | FreeBSD-src-367ad6085180bae746c3d198a10f285cc3ce0755.zip FreeBSD-src-367ad6085180bae746c3d198a10f285cc3ce0755.tar.gz | |
The maximum NCM frame size must be so that it
will generate a short terminated USB transfer if
the maximum NCM frame size is greater than what
the driver can handle.
Reported by: Matthias Benesch
MFC after: 7 days
Approved by: thompsa (mentor)
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/usb/net/if_cdcereg.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/usb/net/if_cdcereg.h b/sys/dev/usb/net/if_cdcereg.h index 5594a2f..c470b36 100644 --- a/sys/dev/usb/net/if_cdcereg.h +++ b/sys/dev/usb/net/if_cdcereg.h @@ -39,7 +39,7 @@ #define CDCE_IND_SIZE_MAX 32 /* bytes */ #define CDCE_NCM_TX_MINLEN 512 /* bytes, must be power of two */ -#define CDCE_NCM_TX_MAXLEN (1UL << 14) /* bytes */ +#define CDCE_NCM_TX_MAXLEN (16384 + 4) /* bytes, must be short terminated */ #define CDCE_NCM_TX_FRAMES_MAX 8 /* units */ #define CDCE_NCM_RX_MAXLEN (1UL << 14) /* bytes */ |
