From 3e208481b5a1bec0244e11af10da7c5fa692c117 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Mon, 8 Dec 2014 16:01:51 +0200 Subject: [PATCH] nl80211: Add more debug prints for 11b rate disabling and re-enabling This makes it easier to debug issues related to TX rate masking for P2P use cases (and unmasking for non-P2P). Signed-off-by: Jouni Malinen --- src/drivers/driver_nl80211.c | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c index 087b0ef69..a2cfaef0e 100644 --- a/src/drivers/driver_nl80211.c +++ b/src/drivers/driver_nl80211.c @@ -2157,6 +2157,9 @@ static void wpa_driver_nl80211_deinit(struct i802_bss *bss) { struct wpa_driver_nl80211_data *drv = bss->drv; + wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d", + bss->ifname, drv->disabled_11b_rates); + bss->in_deinit = 1; if (drv->data_tx_status) eloop_unregister_read_sock(drv->eapol_tx_sock); @@ -3882,8 +3885,12 @@ int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, wds, handler, arg); } - if (ret >= 0 && is_p2p_net_interface(iftype)) + if (ret >= 0 && is_p2p_net_interface(iftype)) { + wpa_printf(MSG_DEBUG, + "nl80211: Interface %s created for P2P - disable 11b rates", + ifname); nl80211_disable_11b_rates(drv, ret, 1); + } return ret; } @@ -4734,10 +4741,17 @@ done: return ret; } - if (is_p2p_net_interface(nlmode)) + if (is_p2p_net_interface(nlmode)) { + wpa_printf(MSG_DEBUG, + "nl80211: Interface %s mode change to P2P - disable 11b rates", + bss->ifname); nl80211_disable_11b_rates(drv, drv->ifindex, 1); - else if (drv->disabled_11b_rates) + } else if (drv->disabled_11b_rates) { + wpa_printf(MSG_DEBUG, + "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates", + bss->ifname); nl80211_disable_11b_rates(drv, drv->ifindex, 0); + } if (is_ap_interface(nlmode)) { nl80211_mgmt_unsubscribe(bss, "start AP"); @@ -6112,6 +6126,11 @@ static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, struct nlattr *bands, *band; int ret; + wpa_printf(MSG_DEBUG, + "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)", + ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" : + "no NL80211_TXRATE_LEGACY constraint"); + msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_TX_BITRATE_MASK); if (!msg)