diff options
Diffstat (limited to 'package')
3 files changed, 96 insertions, 57 deletions
diff --git a/package/kernel/mac80211/patches/rt2x00/032-rt2x00-do-not-increment-sequence-number-while-re-tra.patch b/package/kernel/mac80211/patches/rt2x00/032-rt2x00-do-not-increment-sequence-number-while-re-tra.patch new file mode 100644 index 0000000000..c1f3815998 --- /dev/null +++ b/package/kernel/mac80211/patches/rt2x00/032-rt2x00-do-not-increment-sequence-number-while-re-tra.patch @@ -0,0 +1,94 @@ +From 746ba11f170603bf1eaade817553a6c2e9135bbe Mon Sep 17 00:00:00 2001 +From: Vijayakumar Durai <vijayakumar.durai1@vivint.com> +Date: Wed, 27 Mar 2019 11:03:17 +0100 +Subject: [PATCH] rt2x00: do not increment sequence number while + re-transmitting + +Currently rt2x00 devices retransmit the management frames with +incremented sequence number if hardware is assigning the sequence. + +This is HW bug fixed already for non-QOS data frames, but it should +be fixed for management frames except beacon. + +Without fix retransmitted frames have wrong SN: + + AlphaNet_e8:fb:36 Vivotek_52:31:51 Authentication, SN=1648, FN=0, Flags=........C Frame is not being retransmitted 1648 1 + AlphaNet_e8:fb:36 Vivotek_52:31:51 Authentication, SN=1649, FN=0, Flags=....R...C Frame is being retransmitted 1649 1 + AlphaNet_e8:fb:36 Vivotek_52:31:51 Authentication, SN=1650, FN=0, Flags=....R...C Frame is being retransmitted 1650 1 + +With the fix SN stays correctly the same: + + 88:6a:e3:e8:f9:a2 8c:f5:a3:88:76:87 Authentication, SN=1450, FN=0, Flags=........C + 88:6a:e3:e8:f9:a2 8c:f5:a3:88:76:87 Authentication, SN=1450, FN=0, Flags=....R...C + 88:6a:e3:e8:f9:a2 8c:f5:a3:88:76:87 Authentication, SN=1450, FN=0, Flags=....R...C + +Cc: stable@vger.kernel.org +Signed-off-by: Vijayakumar Durai <vijayakumar.durai1@vivint.com> +[sgruszka: simplify code, change comments and changelog] +Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/ralink/rt2x00/rt2x00.h | 1 - + drivers/net/wireless/ralink/rt2x00/rt2x00mac.c | 10 ---------- + drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 15 +++++++++------ + 3 files changed, 9 insertions(+), 17 deletions(-) + +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h +@@ -673,7 +673,6 @@ enum rt2x00_state_flags { + CONFIG_CHANNEL_HT40, + CONFIG_POWERSAVING, + CONFIG_HT_DISABLED, +- CONFIG_QOS_DISABLED, + CONFIG_MONITORING, + + /* +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c +@@ -642,19 +642,9 @@ void rt2x00mac_bss_info_changed(struct i + rt2x00dev->intf_associated--; + + rt2x00leds_led_assoc(rt2x00dev, !!rt2x00dev->intf_associated); +- +- clear_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags); + } + + /* +- * Check for access point which do not support 802.11e . We have to +- * generate data frames sequence number in S/W for such AP, because +- * of H/W bug. +- */ +- if (changes & BSS_CHANGED_QOS && !bss_conf->qos) +- set_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags); +- +- /* + * When the erp information has changed, we should perform + * additional configuration steps. For all other changes we are done. + */ +--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c ++++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c +@@ -201,15 +201,18 @@ static void rt2x00queue_create_tx_descri + if (!rt2x00_has_cap_flag(rt2x00dev, REQUIRE_SW_SEQNO)) { + /* + * rt2800 has a H/W (or F/W) bug, device incorrectly increase +- * seqno on retransmited data (non-QOS) frames. To workaround +- * the problem let's generate seqno in software if QOS is +- * disabled. ++ * seqno on retransmitted data (non-QOS) and management frames. ++ * To workaround the problem let's generate seqno in software. ++ * Except for beacons which are transmitted periodically by H/W ++ * hence hardware has to assign seqno for them. + */ +- if (test_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags)) +- __clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); +- else ++ if (ieee80211_is_beacon(hdr->frame_control)) { ++ __set_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); + /* H/W will generate sequence number */ + return; ++ } ++ ++ __clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); + } + + /* diff --git a/package/kernel/mac80211/patches/rt2x00/602-rt2x00-introduce-rt2x00eeprom.patch b/package/kernel/mac80211/patches/rt2x00/602-rt2x00-introduce-rt2x00eeprom.patch index c6d4862e41..697d8188f0 100644 --- a/package/kernel/mac80211/patches/rt2x00/602-rt2x00-introduce-rt2x00eeprom.patch +++ b/package/kernel/mac80211/patches/rt2x00/602-rt2x00-introduce-rt2x00eeprom.patch @@ -105,7 +105,7 @@ .drv_init_registers = rt2800mmio_init_registers, --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h -@@ -703,6 +703,7 @@ enum rt2x00_capability_flags { +@@ -702,6 +702,7 @@ enum rt2x00_capability_flags { REQUIRE_HT_TX_DESC, REQUIRE_PS_AUTOWAKE, REQUIRE_DELAYED_RFKILL, @@ -113,7 +113,7 @@ /* * Capabilities -@@ -978,6 +979,11 @@ struct rt2x00_dev { +@@ -977,6 +978,11 @@ struct rt2x00_dev { const struct firmware *fw; /* diff --git a/package/kernel/mac80211/patches/rt2x00/987-rt2x00-do-not-increment-management-frame-sequence-number-while-retry.patch b/package/kernel/mac80211/patches/rt2x00/987-rt2x00-do-not-increment-management-frame-sequence-number-while-retry.patch deleted file mode 100644 index 9ef168d3e9..0000000000 --- a/package/kernel/mac80211/patches/rt2x00/987-rt2x00-do-not-increment-management-frame-sequence-number-while-retry.patch +++ /dev/null @@ -1,55 +0,0 @@ -From c92df3d93ad09f219e0728b39d40dc0a69d0760f Mon Sep 17 00:00:00 2001 -From: Vijayakumar Durai <vijayakumar.durai1@vivint.com> -Date: Tue Feb 26 19:29:30 2019 +0530 -Subject: [PATCH] rt2x00: do not increment sequence number while - re-transmitting - -Currently STA+AP re-transmitting the management frames with -incremented sequence number if hardware is assigning the sequence. - -Fix is to assign the sequence number for Beacon by hardware -and for other Management frames software will assign the -sequence number - -Signed-off-by: Vijayakumar Durai <vijayakumar.durai1@vivint.com> ---- - .../net/wireless/ralink/rt2x00/rt2x00queue.c | 26 +++++++++---------- - 1 file changed, 12 insertions(+), 14 deletions(-) - ---- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c -@@ -207,22 +207,20 @@ static void rt2x00queue_create_tx_descri - */ - if (test_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags)) - __clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); -- else -- /* H/W will generate sequence number */ -- return; -+ else { -+ /* -+ * rt2800 has a beacon problem(beacon is sent with same sequence -+ * number more than once)with software generated sequence number. -+ * So for beacons,hardware will generate sequence number and for -+ * other Management frames software will generate sequence number. -+ */ -+ if (ieee80211_is_beacon(hdr->frame_control)) -+ return; -+ else -+ __clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); -+ } - } - -- /* -- * The hardware is not able to insert a sequence number. Assign a -- * software generated one here. -- * -- * This is wrong because beacons are not getting sequence -- * numbers assigned properly. -- * -- * A secondary problem exists for drivers that cannot toggle -- * sequence counting per-frame, since those will override the -- * sequence counter given by mac80211. -- */ - if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)) - seqno = atomic_add_return(0x10, &intf->seqno); - else |