diff --git a/packages/linux/patches/3.17.1/linux-999.03-Revert_iwlwifi_mvm_treat_EAPOLs_like_mgmt_frames_wrt_rate.patch b/packages/linux/patches/3.17.1/linux-999.03-Revert_iwlwifi_mvm_treat_EAPOLs_like_mgmt_frames_wrt_rate.patch new file mode 100644 index 0000000000..f41290e3b7 --- /dev/null +++ b/packages/linux/patches/3.17.1/linux-999.03-Revert_iwlwifi_mvm_treat_EAPOLs_like_mgmt_frames_wrt_rate.patch @@ -0,0 +1,72 @@ +From e01a6ba94249c6c8fde24aff5eaf66da4dd2bea0 Mon Sep 17 00:00:00 2001 +From: Emmanuel Grumbach +Date: Mon, 20 Oct 2014 08:29:55 +0300 +Subject: Revert "iwlwifi: mvm: treat EAPOLs like mgmt frames wrt rate" + +This reverts commit aa11bbf3df026d6b1c6b528bef634fd9de7c2619. +This commit was causing connection issues and is not needed +if IWL_MVM_RS_RSSI_BASED_INIT_RATE is set to false by default. + +Regardless of the issues mentioned above, this patch added the +following WARNING: + +WARNING: CPU: 0 PID: 3946 at drivers/net/wireless/iwlwifi/mvm/tx.c:190 iwl_mvm_set_tx_params+0x60a/0x6f0 [iwlmvm]() +Got an HT rate for a non data frame 0x8 +CPU: 0 PID: 3946 Comm: wpa_supplicant Tainted: G O 3.17.0+ #6 +Hardware name: LENOVO 20ANCTO1WW/20ANCTO1WW, BIOS GLET71WW (2.25 ) 07/02/2014 + 0000000000000009 ffffffff814fa911 ffff8804288db8f8 ffffffff81064f52 + 0000000000001808 ffff8804288db948 ffff88040add8660 ffff8804291b5600 + 0000000000000000 ffffffff81064fb7 ffffffffa07b73d0 0000000000000020 +Call Trace: + [] ? dump_stack+0x41/0x51 + [] ? warn_slowpath_common+0x72/0x90 + [] ? warn_slowpath_fmt+0x47/0x50 + [] ? iwl_mvm_set_tx_params+0x60a/0x6f0 [iwlmvm] + [] ? iwl_mvm_tx_skb+0x48/0x3c0 [iwlmvm] + [] ? iwl_mvm_mac_tx+0x7b/0x180 [iwlmvm] + [] ? __ieee80211_tx+0x2b9/0x3c0 [mac80211] + [] ? ieee80211_tx+0xb3/0x100 [mac80211] + [] ? ieee80211_subif_start_xmit+0x459/0xca0 [mac80211] + [] ? dev_hard_start_xmit+0x337/0x5f0 + [] ? sch_direct_xmit+0x96/0x1f0 + [] ? __dev_queue_xmit+0x203/0x4f0 + [] ? ether_setup+0x70/0x70 + [] ? packet_sendmsg+0xf81/0x1110 + [] ? skb_free_datagram+0xc/0x40 + [] ? sock_sendmsg+0x88/0xc0 + [] ? move_addr_to_kernel.part.20+0x14/0x60 + [] ? __inode_wait_for_writeback+0x62/0xb0 + [] ? SYSC_sendto+0xf1/0x180 + [] ? __sys_recvmsg+0x39/0x70 + [] ? system_call_fastpath+0x1a/0x1f +---[ end trace cc19a150d311fc63 ]--- + +which was reported here: https://bugzilla.kernel.org/show_bug.cgi?id=85691 + +CC: [3.13+] +Signed-off-by: Emmanuel Grumbach + +diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c +index 1cb793a..c6a517c 100644 +--- a/drivers/net/wireless/iwlwifi/mvm/tx.c ++++ b/drivers/net/wireless/iwlwifi/mvm/tx.c +@@ -175,14 +175,10 @@ static void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, + + /* + * for data packets, rate info comes from the table inside the fw. This +- * table is controlled by LINK_QUALITY commands. Exclude ctrl port +- * frames like EAPOLs which should be treated as mgmt frames. This +- * avoids them being sent initially in high rates which increases the +- * chances for completion of the 4-Way handshake. ++ * table is controlled by LINK_QUALITY commands + */ + +- if (ieee80211_is_data(fc) && sta && +- !(info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO)) { ++ if (ieee80211_is_data(fc) && sta) { + tx_cmd->initial_rate_index = 0; + tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_STA_RATE); + return; +-- +cgit v0.10.1 +