2012/5/4 Kevin Groeneveld <kgroeneveld@xxxxxxxxx>: >>> So, you should configure this in cw1200_add_interface() for new >>> compat-wireless: >>> >>> vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | >>> IEEE80211_VIF_SUPPORTS_CQM_RSSI; > > I tried adding the above code today and I can now connect in station mode. > > While connected in station mode I get a lot of the following warnings > in the log: > > ieee80211 phy1: Slowpath: tailroom is not big enough. Req: 8, got: 0. > > Is that anything to worry about? Yes we have patch for this in mac80211. I can send you on monday. cw1200 firmware required pre-allocated IVs. Without that performance will be very poor. There is similar patch in community code - but seems not fullfill all our requirements. > > The driver did seem to crash on me once today spewing out a lot of > WARNINGs and trace info to the log. Unfortunately I didn't save the > log. I will try to pay more attention to it if it happens again. > > I also did a bit more testing in AP mode. After changing hostapd to > 802.11g mode I got much better throughput. However, I did see quite a > few warnings in the log such as the following: > > [ 296.854219] ieee80211 phy2: Missed interrupt? This is critical and this is firmware issue. After that driver can do recovery ... So, logs after that are not important much ... > [ 297.104219] ieee80211 phy2: Multicast delivery timeout. > [ 254.194450] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000002 > [ 34.731942] ieee80211 phy2: Requeue for link_id 1 (try 1). STAs > asleep: 0x00000002 > [ 462.159614] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000002 > [ 482.560642] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000002 > [ 482.568372] ieee80211 phy2: Requeue for link_id 1 (try 1). STAs > asleep: 0x00000002 > [ 482.601447] ieee80211 phy2: Multicast delivery timeout. > [ 482.736948] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000006 > [ 482.879955] ieee80211 phy2: Requeue for link_id 1 (try 1). STAs > asleep: 0x00000006 > [ 483.052676] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000006 > [ 483.570836] ieee80211 phy2: Requeue for link_id 1 (try 1). STAs > asleep: 0x00000006 > [ 483.578685] ieee80211 phy2: Requeue for link_id 1 (try 1). STAs > asleep: 0x00000006 > [ 483.765740] ieee80211 phy2: Requeue for link_id 1 (try 2). STAs > asleep: 0x00000006 > [ 483.773462] ieee80211 phy2: Requeue for link_id 1 (try 2). STAs > asleep: 0x00000006 > [ 484.340904] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000006 > [ 484.348626] ieee80211 phy2: Requeue for link_id 1 (try 1). STAs > asleep: 0x00000006 > [ 484.356344] ieee80211 phy2: Requeue for link_id 1 (try 1). STAs > asleep: 0x00000006 > [ 484.670846] ieee80211 phy2: Requeue for link_id 1 (try 1). STAs > asleep: 0x00000006 > [ 484.903498] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000006 > [ 2.101774] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000000 > [ 2.109569] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000000 > [ 2.119271] ieee80211 phy2: Requeue for link_id 0 (try 2). STAs > asleep: 0x00000000 > [ 2.128483] ieee80211 phy2: Requeue for link_id 0 (try 2). STAs > asleep: 0x00000004 > [ 2.137894] ieee80211 phy2: Requeue for link_id 0 (try 3). STAs > asleep: 0x00000004 > [ 5.629055] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000004 > [ 81.020541] ieee80211 phy2: Missed interrupt? > [ 85.050556] ieee80211 phy2: Missed interrupt? > [ 96.410571] ieee80211 phy2: Missed interrupt? > [ 100.410560] ieee80211 phy2: Missed interrupt? > [ 105.700565] ieee80211 phy2: Missed interrupt? > [ 119.410573] ieee80211 phy2: Missed interrupt? > [ 140.050548] ieee80211 phy2: Missed interrupt? > [ 156.993680] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000004 > [ 157.001679] ieee80211 phy2: Requeue for link_id 0 (try 1). STAs > asleep: 0x00000004 > [ 157.240546] ieee80211 phy2: Multicast delivery timeout. > [ 167.400528] ieee80211 phy2: Missed interrupt? > > Should I be worried about these? > Yes :) -- Janusz Dziedzic -- 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
