On Fri, 2017-12-01 at 19:18 +0530, akolli@xxxxxxxxxxxxxx wrote: > Hope CONFIG_MAC80211_DEBUGFS is enabled in your build. it wasn't and IMHO it's confusing because tx rate is filled by the other drivers without it. I now have the following warning: [ 96.174967] ------------[ cut here ]------------ [ 96.179640] WARNING: CPU: 0 PID: 609 at net/wireless/util.c:1254 cfg80211_calculate_bitrate+0x174/0x220 [ 96.189538] invalid rate bw=1, mcs=9, nss=2 [ 96.219736] CPU: 0 PID: 609 Comm: hostapd Not tainted 4.14.3-00381-gec9756b0f64d #28 [ 96.227910] Hardware name: Marvell Kirkwood (Flattened Device Tree) [ 96.235450] [<80010124>] (unwind_backtrace) from [<8000d9ec>] (show_stack+0x10/0x14) [ 96.247180] [<8000d9ec>] (show_stack) from [<8002016c>] (__warn+0xdc/0xf8) [ 96.254243] [<8002016c>] (__warn) from [<800201bc>] (warn_slowpath_fmt+0x34/0x44) [ 96.262016] [<800201bc>] (warn_slowpath_fmt) from [<8064dfdc>] (cfg80211_calculate_bitrate+0x174/0x220) [ 96.272652] [<8064dfdc>] (cfg80211_calculate_bitrate) from [<806692d4>] (nl80211_put_sta_rate+0x44/0x1dc) [ 96.282509] [<806692d4>] (nl80211_put_sta_rate) from [<8066001c>] (nl80211_send_station+0x388/0xaf0) [ 96.292261] [<8066001c>] (nl80211_send_station) from [<8066082c>] (nl80211_get_station+0xa8/0xec) [ 96.304166] [<8066082c>] (nl80211_get_station) from [<80509c20>] (genl_rcv_msg+0x2dc/0x34c) [ 96.313324] [<80509c20>] (genl_rcv_msg) from [<8050890c>] (netlink_rcv_skb+0x84/0xdc) [ 96.321880] [<8050890c>] (netlink_rcv_skb) from [<805093c0>] (genl_rcv+0x20/0x34) [ 96.329668] [<805093c0>] (genl_rcv) from [<80508188>] (netlink_unicast+0x12c/0x1e0) [ 96.338408] [<80508188>] (netlink_unicast) from [<805085d8>] (netlink_sendmsg+0x2e0/0x304) [ 96.350736] [<805085d8>] (netlink_sendmsg) from [<804b5f9c>] (sock_sendmsg+0x14/0x24) [ 96.358656] [<804b5f9c>] (sock_sendmsg) from [<804b66e8>] (___sys_sendmsg+0x1c8/0x20c) [ 96.367093] [<804b66e8>] (___sys_sendmsg) from [<804b739c>] (__sys_sendmsg+0x40/0x64) [ 96.375276] [<804b739c>] (__sys_sendmsg) from [<8000a3e0>] (ret_fast_syscall+0x0/0x44) [ 96.383455] ---[ end trace da8257d6a850e91a ]--- # iw dev wlan1 station dump Station e4:42:a6:24:c8:95 (on wlan1) inactive time: 550 ms rx bytes: 41217 rx packets: 152 tx bytes: 49397 tx packets: 107 tx retries: 0 tx failed: 1 rx drop misc: 0 signal: -62 [-66, -65, -83] dBm signal avg: -61 [-65, -65, -78] dBm tx bitrate: VHT-MCS 9 short GI VHT-NSS 2 rx bitrate: 360.0 MBit/s VHT-MCS 8 40MHz short GI VHT-NSS 2 rx duration: 0 us authorized: yes authenticated: yes associated: yes preamble: long WMM/WME: yes MFP: no TDLS peer: no DTIM period: 2 beacon interval:96 short slot time:yes connected time: 5 seconds Thanks -- Maxime
