diff options
Diffstat (limited to 'sys/dev/usb')
| -rw-r--r-- | sys/dev/usb/if_ural.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sys/dev/usb/if_ural.c b/sys/dev/usb/if_ural.c index 85a55cf78ba21..57230035f3b83 100644 --- a/sys/dev/usb/if_ural.c +++ b/sys/dev/usb/if_ural.c @@ -1050,12 +1050,11 @@ ural_setup_tx_desc(struct ural_softc *sc, struct ural_tx_desc *desc, * Long PLCP LENGTH field. * From IEEE Std 802.11b-1999, pp. 16. */ - plcp_length = (8 * len * 2) / rate; - remainder = (8 * len * 2) % rate; - if (remainder != 0) { - if (rate == 22 && (rate - remainder) / 16 != 0) + plcp_length = (16 * len + rate - 1) / rate; + if (rate == 22) { + remainder = (16 * len) % 22; + if (remainder != 0 && remainder < 7) desc->plcp_service |= RAL_PLCP_LENGEXT; - plcp_length++; } desc->plcp_length = htole16(plcp_length); } |