On Saturday 09 August 2008 18:02:49 Larry Finger wrote: > > Mine also crashes with a ping of length 1400, but 1390 and 1410 work > just fine. I also tested with tcpperf and I am pretty sure that this > is a transmit problem. When I set the MTU to 1300, then a ping of > length 1400 works fine. Is this a firmware bug? Which firmware are you > using? Mine is isl3887usb_bare. hmm? there are lots of new & old firmwares. what chip do you have? a ISL3886 + net2280 or a ISL3887? you can get the firmware version from dmesg, just load the driver and grep for "p54: FW rev" my devices: isl3880 minipci: 2.7.0.0 (best supported) & 2.13.1.0 (unstable) isl3887 usb: 2.5.8.0(bugs), 2.6.16.0(DELL bugs) and 2.13.2.0 (WIP) > > > on-topic: I digged a bit in the logs: > > > > http://jbnote.free.fr/prism54usb/data/usbsnoop-logs/ > > and there "usbsnoop_old_drv_ver1.log.bz2" > > [...] > > So the problem must be somewhere else! what happens when: > > if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { > > if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) > > priv->seqno += 0x10; > > > > ieee80211hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); > > ieee80211hdr->seq_ctrl |= cpu_to_le16(priv->seqno); > > ieee80211hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); > > } > > (yeah a new definition for idiotic! but it's about the same amount of of > > clock cycles). > > This didn't help the "ping -s 1400" problem. Of course not, but maybe it could help with this 2-3 hour disconnect problem. Regards, Chr. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
