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April 10, 2021 19:12
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Clara HD kernel changes, 2018 to 2021
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| diff --git a/kernel-2018/arch/arm/boot/dts/imx6sll-ntx.dtsi b/kernel-2021/arch/arm/boot/dts/imx6sll-ntx.dtsi | |
| index 5121ada..f6c7d09 100644 | |
| --- a/kernel-2018/arch/arm/boot/dts/imx6sll-ntx.dtsi | |
| +++ b/kernel-2021/arch/arm/boot/dts/imx6sll-ntx.dtsi | |
| @@ -52,15 +52,15 @@ | |
| operating-points = < /* Core2_1V3_ARM */ | |
| /* kHz uV */ | |
| 996000 1275000 | |
| - 792000 1175000 | |
| - 396000 1175000 | |
| + 792000 1275000 | |
| + 396000 1275000 | |
| 198000 1175000 | |
| >; | |
| fsl,soc-operating-points = < /* Core2_1V3_SOC */ | |
| /* ARM kHz SOC-PU uV */ | |
| 996000 1275000 | |
| - 792000 1175000 | |
| - 396000 1175000 | |
| + 792000 1275000 | |
| + 396000 1275000 | |
| 198000 1175000 | |
| >; | |
| clock-latency = <61036>; /* two CLK32 periods */ | |
| diff --git a/kernel-2018/arch/arm/boot/dts/imx6sll-ntx_emmc.dtsi b/kernel-2021/arch/arm/boot/dts/imx6sll-ntx_emmc.dtsi | |
| index 4d93e57..6de50be 100644 | |
| --- a/kernel-2018/arch/arm/boot/dts/imx6sll-ntx_emmc.dtsi | |
| +++ b/kernel-2021/arch/arm/boot/dts/imx6sll-ntx_emmc.dtsi | |
| @@ -52,15 +52,15 @@ | |
| operating-points = < /* Core2_1V3_ARM */ | |
| /* kHz uV */ | |
| 996000 1275000 | |
| - 792000 1175000 | |
| - 396000 1175000 | |
| + 792000 1275000 | |
| + 396000 1275000 | |
| 198000 1175000 | |
| >; | |
| fsl,soc-operating-points = < /* Core2_1V3_SOC */ | |
| /* ARM kHz SOC-PU uV */ | |
| 996000 1275000 | |
| - 792000 1175000 | |
| - 396000 1175000 | |
| + 792000 1275000 | |
| + 396000 1275000 | |
| 198000 1175000 | |
| >; | |
| clock-latency = <61036>; /* two CLK32 periods */ | |
| diff --git a/kernel-2018/arch/arm/configs/imx_v7_kobo_defconfig b/kernel-2021/arch/arm/configs/imx_v7_kobo_defconfig | |
| index 2a11e24..c0332a0 100644 | |
| --- a/kernel-2018/arch/arm/configs/imx_v7_kobo_defconfig | |
| +++ b/kernel-2021/arch/arm/configs/imx_v7_kobo_defconfig | |
| @@ -1614,7 +1614,7 @@ CONFIG_SENSORS_FP9928=y | |
| # CONFIG_SENSORS_W83627HF is not set | |
| # CONFIG_SENSORS_W83627EHF is not set | |
| # CONFIG_SENSORS_MAG3110 is not set | |
| -# CONFIG_MXC_MMA8451 is not set | |
| +# CONFIG_SENSORS_MMA8X5X is not set | |
| CONFIG_THERMAL=y | |
| CONFIG_THERMAL_HWMON=y | |
| CONFIG_THERMAL_OF=y | |
| diff --git a/kernel-2018/arch/arm/mach-imx/busfreq-imx.c b/kernel-2021/arch/arm/mach-imx/busfreq-imx.c | |
| index 55b246e..6b98974 100644 | |
| --- a/kernel-2018/arch/arm/mach-imx/busfreq-imx.c | |
| +++ b/kernel-2021/arch/arm/mach-imx/busfreq-imx.c | |
| @@ -53,11 +53,11 @@ unsigned long ddr_freq_change_iram_base; | |
| unsigned long ddr_freq_change_iram_phys; | |
| static int ddr_type; | |
| -static int low_bus_freq_mode; | |
| -static int audio_bus_freq_mode; | |
| -static int ultra_low_bus_freq_mode; | |
| -static int high_bus_freq_mode; | |
| -static int med_bus_freq_mode; | |
| +int low_bus_freq_mode; | |
| +int audio_bus_freq_mode; | |
| +int ultra_low_bus_freq_mode; | |
| +int high_bus_freq_mode; | |
| +int med_bus_freq_mode; | |
| static int bus_freq_scaling_initialized; | |
| static struct device *busfreq_dev; | |
| static int busfreq_suspended; | |
| @@ -67,6 +67,9 @@ static unsigned int ddr_low_rate; | |
| static int cur_bus_freq_mode; | |
| static u32 org_arm_rate; | |
| static int origin_arm_volt, origin_soc_volt; | |
| +int giBusFreqDebugLvl=0; | |
| +static int giLowBufFreqDelayus=5000000; | |
| +static int giAlwaysLowBufFreq=0; | |
| extern unsigned long iram_tlb_phys_addr; | |
| extern int unsigned long iram_tlb_base_addr; | |
| @@ -170,6 +173,9 @@ static struct clk *origin_step_parent; | |
| static void imx6ull_lower_cpu_rate(bool enter) | |
| { | |
| int ret; | |
| + | |
| + if (arm_reg == NULL || soc_reg == NULL) | |
| + return; | |
| if (enter) { | |
| org_arm_rate = clk_get_rate(arm_clk); | |
| @@ -722,7 +728,7 @@ int set_low_bus_freq(void) | |
| * the conditions still remain the same. | |
| */ | |
| schedule_delayed_work(&low_bus_freq_handler, | |
| - usecs_to_jiffies(5000000)); | |
| + usecs_to_jiffies(giLowBufFreqDelayus)); | |
| return 0; | |
| } | |
| @@ -794,14 +800,42 @@ void request_bus_freq(enum bus_freq_mode mode) | |
| return; | |
| } | |
| - if (mode == BUS_FREQ_HIGH) | |
| + if (mode == BUS_FREQ_HIGH) { | |
| high_bus_count++; | |
| - else if (mode == BUS_FREQ_MED) | |
| + if(giBusFreqDebugLvl) { | |
| + printk("request high busfreq %d\n",high_bus_count); | |
| + if(giBusFreqDebugLvl>=10) { | |
| + dump_stack(); | |
| + } | |
| + } | |
| + } | |
| + else if (mode == BUS_FREQ_MED) { | |
| med_bus_count++; | |
| - else if (mode == BUS_FREQ_AUDIO) | |
| + if(giBusFreqDebugLvl) { | |
| + printk("request med busfreq %d\n",med_bus_count); | |
| + if(giBusFreqDebugLvl>=10) { | |
| + dump_stack(); | |
| + } | |
| + } | |
| + } | |
| + else if (mode == BUS_FREQ_AUDIO) { | |
| audio_bus_count++; | |
| - else if (mode == BUS_FREQ_LOW) | |
| + if(giBusFreqDebugLvl) { | |
| + printk("request audio busfreq %d\n",audio_bus_count); | |
| + if(giBusFreqDebugLvl>=10) { | |
| + dump_stack(); | |
| + } | |
| + } | |
| + } | |
| + else if (mode == BUS_FREQ_LOW) { | |
| low_bus_count++; | |
| + if(giBusFreqDebugLvl) { | |
| + printk("request low busfreq %d\n",low_bus_count); | |
| + if(giBusFreqDebugLvl>=10) { | |
| + dump_stack(); | |
| + } | |
| + } | |
| + } | |
| if (busfreq_suspended || !bus_freq_scaling_initialized || | |
| !bus_freq_scaling_is_active) { | |
| @@ -851,6 +885,12 @@ void release_bus_freq(enum bus_freq_mode mode) | |
| return; | |
| } | |
| high_bus_count--; | |
| + if(giBusFreqDebugLvl) { | |
| + printk("release high busfreq %d\n",high_bus_count); | |
| + if(giBusFreqDebugLvl>=10) { | |
| + dump_stack(); | |
| + } | |
| + } | |
| } else if (mode == BUS_FREQ_MED) { | |
| if (med_bus_count == 0) { | |
| dev_err(busfreq_dev, "med bus count mismatch!\n"); | |
| @@ -859,6 +899,12 @@ void release_bus_freq(enum bus_freq_mode mode) | |
| return; | |
| } | |
| med_bus_count--; | |
| + if(giBusFreqDebugLvl) { | |
| + printk("release med busfreq %d\n",med_bus_count); | |
| + if(giBusFreqDebugLvl>=10) { | |
| + dump_stack(); | |
| + } | |
| + } | |
| } else if (mode == BUS_FREQ_AUDIO) { | |
| if (audio_bus_count == 0) { | |
| dev_err(busfreq_dev, "audio bus count mismatch!\n"); | |
| @@ -867,6 +913,12 @@ void release_bus_freq(enum bus_freq_mode mode) | |
| return; | |
| } | |
| audio_bus_count--; | |
| + if(giBusFreqDebugLvl) { | |
| + printk("release audio busfreq %d\n",audio_bus_count); | |
| + if(giBusFreqDebugLvl>=10) { | |
| + dump_stack(); | |
| + } | |
| + } | |
| } else if (mode == BUS_FREQ_LOW) { | |
| if (low_bus_count == 0) { | |
| dev_err(busfreq_dev, "low bus count mismatch!\n"); | |
| @@ -875,6 +927,12 @@ void release_bus_freq(enum bus_freq_mode mode) | |
| return; | |
| } | |
| low_bus_count--; | |
| + if(giBusFreqDebugLvl) { | |
| + printk("release low busfreq %d\n",low_bus_count); | |
| + if(giBusFreqDebugLvl>=10) { | |
| + dump_stack(); | |
| + } | |
| + } | |
| } | |
| if (busfreq_suspended || !bus_freq_scaling_initialized || | |
| @@ -987,6 +1045,10 @@ static void bus_freq_daemon_handler(struct work_struct *work) | |
| static ssize_t bus_freq_scaling_enable_show(struct device *dev, | |
| struct device_attribute *attr, char *buf) | |
| { | |
| + if(giBusFreqDebugLvl) { | |
| + printk("debuglvl=%d,lowfreq_delayus=%d\n",giBusFreqDebugLvl,giLowBufFreqDelayus); | |
| + } | |
| + | |
| if (bus_freq_scaling_is_active) | |
| return sprintf(buf, "Bus frequency scaling is enabled\n"); | |
| else | |
| @@ -1013,6 +1075,16 @@ static ssize_t bus_freq_scaling_enable_store(struct device *dev, | |
| set_high_bus_freq(1); | |
| bus_freq_scaling_is_active = 0; | |
| } | |
| + else { | |
| + if (strncmp(buf, "debug:", 6) == 0) | |
| + { | |
| + sscanf(&buf[6],"%d\n",&giBusFreqDebugLvl); | |
| + } | |
| + else if (strncmp(buf, "lowfreq_delayus:", 16) == 0) | |
| + { | |
| + sscanf(&buf[16],"%d\n",&giLowBufFreqDelayus); | |
| + } | |
| + } | |
| return size; | |
| } | |
| @@ -1062,6 +1134,67 @@ static struct notifier_block imx_busfreq_reboot_notifier = { | |
| static DEVICE_ATTR(enable, 0644, bus_freq_scaling_enable_show, | |
| bus_freq_scaling_enable_store); | |
| +static ssize_t bus_freq_mmdc_show(struct device *dev, | |
| + struct device_attribute *attr, char *buf) | |
| +{ | |
| + int i; | |
| + char cbuf[20]; | |
| + | |
| + sprintf (buf,"================== mmdc0 registers =================="); | |
| + for (i=0; i<= 0x40; i+=4) { | |
| + if (!(i & 0x0F)) { | |
| + sprintf (cbuf,"\n%04X\t", i); | |
| + strcat (buf,cbuf); | |
| + } | |
| + sprintf (cbuf,"%08x ", readl_relaxed(IMX_IO_P2V(MX6Q_MMDC_P0_BASE_ADDR)+i)); | |
| + strcat (buf,cbuf); | |
| + } | |
| + strcat (buf,"\n"); | |
| + return strlen (buf); | |
| +} | |
| + | |
| +static ssize_t bus_freq_mmdc_store(struct device *dev, | |
| + struct device_attribute *attr, | |
| + const char *buf, size_t size) | |
| +{ | |
| + return size; | |
| +} | |
| +static DEVICE_ATTR(mmdc, 0644, bus_freq_mmdc_show, | |
| + bus_freq_mmdc_store); | |
| + | |
| +static ssize_t bus_freq_mode_show(struct device *dev, | |
| + struct device_attribute *attr, char *buf) | |
| +{ | |
| + int i; | |
| + | |
| + sprintf (buf, | |
| + "cur_bus_freq_mode=%d\n" | |
| + "high_bus_freq_mode=%d\n" | |
| + "med_bus_freq_mode=%d\n" | |
| + "low_bus_freq_mode=%d\n" | |
| + "audio_bus_freq_mode=%d\n" | |
| + "ultra_low_bus_freq_mode=%d\n" | |
| + , | |
| + cur_bus_freq_mode, | |
| + high_bus_freq_mode, | |
| + med_bus_freq_mode, | |
| + low_bus_freq_mode, | |
| + audio_bus_freq_mode, | |
| + ultra_low_bus_freq_mode); | |
| + | |
| + return strlen (buf); | |
| +} | |
| + | |
| +static ssize_t bus_freq_mode_store(struct device *dev, | |
| + struct device_attribute *attr, | |
| + const char *buf, size_t size) | |
| +{ | |
| + return size; | |
| +} | |
| +static DEVICE_ATTR(mode, 0644, bus_freq_mode_show, | |
| + bus_freq_mode_store); | |
| + | |
| + | |
| /*! | |
| * This is the probe routine for the bus frequency driver. | |
| * | |
| diff --git a/kernel-2018/arch/arm/mach-imx/imx6sll_low_power_idle.S b/kernel-2021/arch/arm/mach-imx/imx6sll_low_power_idle.S | |
| index a7e206e..9200212 100644 | |
| --- a/kernel-2018/arch/arm/mach-imx/imx6sll_low_power_idle.S | |
| +++ b/kernel-2021/arch/arm/mach-imx/imx6sll_low_power_idle.S | |
| @@ -576,7 +576,7 @@ mx6sll_lpm_wfi_start: | |
| ldr r10, [r0, #PM_INFO_MX6Q_GPC_V_OFFSET] | |
| ldr r7, =0x1 | |
| str r7, [r10, #0x2a0] | |
| - | |
| + | |
| disable_l1_dcache | |
| #ifdef CONFIG_CACHE_L2X0 | |
| @@ -668,7 +668,7 @@ save_and_set_mmdc_io_lpm: | |
| /* | |
| * now delay for a short while (3usec) | |
| - * ARM is at 24MHz at this point | |
| + * ARM is at 198MHz at this point | |
| * so a short loop should be enough. | |
| * this delay is required to ensure that | |
| * the RBC counter can start counting in | |
| @@ -676,7 +676,7 @@ save_and_set_mmdc_io_lpm: | |
| * or in case an interrupt arrives just | |
| * as ARM is about to assert DSM_request. | |
| */ | |
| - ldr r4, =50 | |
| + ldr r4, =400 | |
| rbc_loop: | |
| subs r4, r4, #0x1 | |
| bne rbc_loop | |
| diff --git a/kernel-2018/arch/arm/mach-imx/imx6ull_low_power_idle.S b/kernel-2021/arch/arm/mach-imx/imx6ull_low_power_idle.S | |
| index 76ceac7..4d32c32 100644 | |
| --- a/kernel-2018/arch/arm/mach-imx/imx6ull_low_power_idle.S | |
| +++ b/kernel-2021/arch/arm/mach-imx/imx6ull_low_power_idle.S | |
| @@ -663,7 +663,7 @@ save_and_set_mmdc_io_lpm: | |
| /* | |
| * now delay for a short while (3usec) | |
| - * ARM is at 24MHz at this point | |
| + * ARM is at 198MHz at this point | |
| * so a short loop should be enough. | |
| * this delay is required to ensure that | |
| * the RBC counter can start counting in | |
| @@ -671,7 +671,7 @@ save_and_set_mmdc_io_lpm: | |
| * or in case an interrupt arrives just | |
| * as ARM is about to assert DSM_request. | |
| */ | |
| - ldr r4, =50 | |
| + ldr r4, =400 | |
| rbc_loop: | |
| subs r4, r4, #0x1 | |
| bne rbc_loop | |
| diff --git a/kernel-2018/drivers/cpufreq/imx6q-cpufreq.c b/kernel-2021/drivers/cpufreq/imx6q-cpufreq.c | |
| index 258c9b7..3b6affe 100644 | |
| --- a/kernel-2018/drivers/cpufreq/imx6q-cpufreq.c | |
| +++ b/kernel-2021/drivers/cpufreq/imx6q-cpufreq.c | |
| @@ -57,12 +57,22 @@ static u32 soc_opp_count; | |
| static bool ignore_dc_reg; | |
| static bool low_power_run_support; | |
| +extern int giBusFreqDebugLvl; | |
| + | |
| +extern int low_bus_freq_mode; | |
| +extern int audio_bus_freq_mode; | |
| +extern int ultra_low_bus_freq_mode; | |
| +extern int high_bus_freq_mode; | |
| +extern int med_bus_freq_mode; | |
| + | |
| + | |
| static int imx6q_set_target(struct cpufreq_policy *policy, unsigned int index) | |
| { | |
| struct dev_pm_opp *opp; | |
| unsigned long freq_hz, volt, volt_old; | |
| unsigned int old_freq, new_freq; | |
| int ret; | |
| + int iSwitchHighBusFreq = 0; | |
| mutex_lock(&set_cpufreq_lock); | |
| @@ -94,20 +104,40 @@ static int imx6q_set_target(struct cpufreq_policy *policy, unsigned int index) | |
| rcu_read_unlock(); | |
| volt_old = regulator_get_voltage(arm_reg); | |
| - dev_dbg(cpu_dev, "%u MHz, %ld mV --> %u MHz, %ld mV\n", | |
| - old_freq / 1000, volt_old / 1000, | |
| - new_freq / 1000, volt / 1000); | |
| + if( giBusFreqDebugLvl >= 2 ) { | |
| + dev_info(cpu_dev, "%u MHz, %ld mV --> %u MHz, %ld mV\n,idx=%d", | |
| + old_freq / 1000, volt_old / 1000, | |
| + new_freq / 1000, volt / 1000,index); | |
| +#if 0 | |
| + printk ( | |
| + "high_bus_freq_mode=%d\n" | |
| + "med_bus_freq_mode=%d\n" | |
| + "low_bus_freq_mode=%d\n" | |
| + "audio_bus_freq_mode=%d\n" | |
| + "ultra_low_bus_freq_mode=%d\n" | |
| + , | |
| + high_bus_freq_mode, | |
| + med_bus_freq_mode, | |
| + low_bus_freq_mode, | |
| + audio_bus_freq_mode, | |
| + ultra_low_bus_freq_mode); | |
| +#endif | |
| + | |
| + } | |
| + | |
| /* | |
| * CPU freq is increasing, so need to ensure | |
| * that bus frequency is increased too. | |
| */ | |
| if (low_power_run_support) { | |
| if (old_freq == freq_table[0].frequency) | |
| - request_bus_freq(BUS_FREQ_HIGH); | |
| + iSwitchHighBusFreq = 1; | |
| } else if (old_freq <= FREQ_396_MHZ && new_freq > FREQ_396_MHZ) { | |
| - request_bus_freq(BUS_FREQ_HIGH); | |
| + iSwitchHighBusFreq = 1; | |
| } | |
| + | |
| + | |
| /* scaling up? scale voltage before frequency */ | |
| if (new_freq > old_freq) { | |
| if (!IS_ERR(pu_reg)) { | |
| @@ -133,6 +163,10 @@ static int imx6q_set_target(struct cpufreq_policy *policy, unsigned int index) | |
| } | |
| } | |
| + if(iSwitchHighBusFreq) { | |
| + request_bus_freq(BUS_FREQ_HIGH); | |
| + } | |
| + | |
| /* | |
| * The setpoints are selected per PLL/PDF frequencies, so we need to | |
| * reprogram PLL for frequency scaling. The procedure of reprogramming | |
| @@ -191,8 +225,19 @@ static int imx6q_set_target(struct cpufreq_policy *policy, unsigned int index) | |
| return ret; | |
| } | |
| + /* | |
| + * If CPU is dropped to the lowest level, release the need | |
| + * for a high bus frequency. | |
| + */ | |
| + if (low_power_run_support) { | |
| + if (new_freq == freq_table[0].frequency) | |
| + release_bus_freq(BUS_FREQ_HIGH); | |
| + } else if (old_freq > FREQ_396_MHZ && new_freq <= FREQ_396_MHZ) { | |
| + release_bus_freq(BUS_FREQ_HIGH); | |
| + } | |
| + | |
| /* scaling down? scale voltage after frequency */ | |
| - if (new_freq < old_freq) { | |
| + if (new_freq < old_freq && ultra_low_bus_freq_mode ) { | |
| ret = regulator_set_voltage_tol(arm_reg, volt, 0); | |
| if (ret) { | |
| dev_warn(cpu_dev, | |
| @@ -212,16 +257,6 @@ static int imx6q_set_target(struct cpufreq_policy *policy, unsigned int index) | |
| } | |
| } | |
| } | |
| - /* | |
| - * If CPU is dropped to the lowest level, release the need | |
| - * for a high bus frequency. | |
| - */ | |
| - if (low_power_run_support) { | |
| - if (new_freq == freq_table[0].frequency) | |
| - release_bus_freq(BUS_FREQ_HIGH); | |
| - } else if (old_freq > FREQ_396_MHZ && new_freq <= FREQ_396_MHZ) { | |
| - release_bus_freq(BUS_FREQ_HIGH); | |
| - } | |
| mutex_unlock(&set_cpufreq_lock); | |
| return 0; | |
| diff --git a/kernel-2018/drivers/input/misc/usb_plug.c b/kernel-2021/drivers/input/misc/usb_plug.c | |
| index ff58a06..7e78af8 100755 | |
| --- a/kernel-2018/drivers/input/misc/usb_plug.c | |
| +++ b/kernel-2021/drivers/input/misc/usb_plug.c | |
| @@ -53,7 +53,7 @@ void usb_plug_handler(void *dummy) | |
| } | |
| if (NO_CHARGER_PLUGGED != plugged) { | |
| - if (SDP_CHARGER == plugged) { | |
| + if ((SDP_CHARGER==plugged)||(CDP_CHARGER==plugged)) { | |
| kobject_rename(&mxc_usbplug->ddev->kobj, "usb_host"); | |
| } | |
| else { | |
| diff --git a/kernel-2018/drivers/input/touchscreen/cyttsp5_core.c b/kernel-2021/drivers/input/touchscreen/cyttsp5_core.c | |
| index 69c0a3e..45edbd0 100644 | |
| --- a/kernel-2018/drivers/input/touchscreen/cyttsp5_core.c | |
| +++ b/kernel-2021/drivers/input/touchscreen/cyttsp5_core.c | |
| @@ -4783,6 +4783,8 @@ static int cyttsp5_core_resume(struct device *dev) | |
| { | |
| struct cyttsp5_core_data *cd = dev_get_drvdata(dev); | |
| int rc; | |
| + extern int cyttsp5_get_g_touch_status (void); | |
| + extern void cyttsp5_set_g_touch_status(int status); | |
| if (cd->cpdata->irq_stat) { | |
| if (0 == cd->cpdata->irq_stat(cd->cpdata, dev)){ | |
| @@ -4817,6 +4819,14 @@ static int cyttsp5_core_resume(struct device *dev) | |
| dev_dbg(dev, "%s Device MAY NOT wakeup\n", __func__); | |
| } | |
| + if(gSleep_Mode_Suspend) | |
| + { | |
| + if(cyttsp5_get_g_touch_status()>0) | |
| + { | |
| + cyttsp5_set_g_touch_status(0); | |
| + printk(KERN_WARNING"[%s_%d] Reset g_touch_status to 0 \n",__FUNCTION__,__LINE__); | |
| + } | |
| + } | |
| exit: | |
| cyttsp5_core_wake(cd); | |
| @@ -5680,8 +5690,8 @@ EXPORT_SYMBOL(cyttsp5_get_module_data); | |
| static void cyttsp5_early_suspend(struct early_suspend *h) | |
| { | |
| struct cyttsp5_core_data *cd = | |
| - container_of(h, struct cyttsp5_core_data, es); | |
| - | |
| + container_of(h, struct cyttsp5_core_data, es); | |
| + | |
| call_atten_cb(cd, CY_ATTEN_SUSPEND, 0); | |
| } | |
| diff --git a/kernel-2018/drivers/input/touchscreen/cyttsp5_mt_common.c b/kernel-2021/drivers/input/touchscreen/cyttsp5_mt_common.c | |
| index 6d1e831..5aeeff2 100644 | |
| --- a/kernel-2018/drivers/input/touchscreen/cyttsp5_mt_common.c | |
| +++ b/kernel-2021/drivers/input/touchscreen/cyttsp5_mt_common.c | |
| @@ -268,7 +268,7 @@ static void cyttsp5_get_mt_touches(struct cyttsp5_mt_data *md, | |
| /* If touch type is hover, send P as distance, reset P */ | |
| if (tch->abs[CY_TCH_O] == CY_OBJ_HOVER) { | |
| - /* CY_ABS_D_OST signal must be in touch framework */ | |
| + /* CY_ABS_D_OST signal must be in touch framework */ | |
| cyttsp5_report_event(md, CY_ABS_D_OST, | |
| tch->abs[CY_TCH_P]); | |
| tch->abs[CY_TCH_P] = 0; | |
| @@ -326,7 +326,7 @@ cyttsp5_get_mt_touches_pr_tch: | |
| } | |
| extern int giSuspendingState; | |
| -unsigned long glEventReportTick; | |
| +static unsigned long glEventReportTick; | |
| /* read xy_data for all current touches */ | |
| static int cyttsp5_xy_worker(struct cyttsp5_mt_data *md) | |
| { | |
| @@ -337,6 +337,7 @@ static int cyttsp5_xy_worker(struct cyttsp5_mt_data *md) | |
| u8 num_cur_tch; | |
| int rc = 0; | |
| + glEventReportTick = 0; | |
| cyttsp5_get_touch_hdr(md, &tch, si->xy_mode + 3); | |
| num_cur_tch = tch.hdr[CY_TCH_NUM]; | |
| @@ -778,13 +779,35 @@ int cyttsp5_mt_release(struct device *dev) | |
| return 0; | |
| } | |
| +int cyttsp5_get_g_touch_status(void) | |
| +{ | |
| + return g_touch_status; | |
| +} | |
| + | |
| +void cyttsp5_set_g_touch_status(int status) | |
| +{ | |
| + g_touch_status = status; | |
| +} | |
| + | |
| + | |
| int cyttsp5_mt_check_busy (void) | |
| { | |
| // Do not enter suspend if touch pressed or event not reported. | |
| - if (g_touch_status || (glEventReportTick && time_after ((glEventReportTick+50),jiffies))) { | |
| - printk ("[%s-%d] report event when suspending...\n", __func__, __LINE__); | |
| - return -EBUSY; | |
| + if (g_touch_status) { | |
| + return -EBUSY; | |
| } | |
| - else | |
| - return 0; | |
| + | |
| + if( glEventReportTick ) | |
| + { | |
| + unsigned long dwTickNow=jiffies; | |
| +#define EVT_NOT_PROCCESSED_TIMEOUT_SECS 2 | |
| + | |
| + if(time_after ((glEventReportTick+(HZ*EVT_NOT_PROCCESSED_TIMEOUT_SECS)),dwTickNow)) { | |
| + printk ("[%s-%d] events not processed in %d secs...\n", __FUNCTION__, __LINE__); | |
| + } | |
| + else if(time_after ((glEventReportTick+HZ/2),dwTickNow)) { | |
| + printk ("[%s-%d] report event when suspending...\n", __FUNCTION__, __LINE__); | |
| + return -EBUSY; | |
| + } | |
| + } | |
| } | |
| diff --git a/kernel-2018/drivers/regulator/ricoh619-regulator.c b/kernel-2021/drivers/regulator/ricoh619-regulator.c | |
| index baf7b28..c86ffd4 100755 | |
| --- a/kernel-2018/drivers/regulator/ricoh619-regulator.c | |
| +++ b/kernel-2021/drivers/regulator/ricoh619-regulator.c | |
| @@ -39,6 +39,10 @@ | |
| #include <linux/of.h> | |
| #include <linux/regulator/of_regulator.h> | |
| +extern int giBusFreqDebugLvl; | |
| + | |
| +#include "../../arch/arm/mach-imx/hardware.h" | |
| + | |
| #include "../../arch/arm/mach-imx/ntx_hwconfig.h" | |
| struct ricoh61x_regulator { | |
| int id; | |
| @@ -196,6 +200,14 @@ static int ricoh61x_set_voltage(struct regulator_dev *rdev, | |
| if (ricoh61x_suspend_status) | |
| return -EBUSY; | |
| + if( giBusFreqDebugLvl >= 2 ) { | |
| + printk("%s()-%s (%d~%d)uV \n",__FUNCTION__,rdev->desc->name,min_uV,max_uV); | |
| + | |
| + if( 9 == giBusFreqDebugLvl ) { | |
| + dump_stack(); | |
| + } | |
| + | |
| + } | |
| return __ricoh61x_set_voltage(parent, ri, min_uV, max_uV, selector); | |
| } | |
| diff --git a/kernel-2018/drivers/usb/chipidea/ci_hdrc_imx.c b/kernel-2021/drivers/usb/chipidea/ci_hdrc_imx.c | |
| index d2898ec..9a9a8ad 100644 | |
| --- a/kernel-2018/drivers/usb/chipidea/ci_hdrc_imx.c | |
| +++ b/kernel-2021/drivers/usb/chipidea/ci_hdrc_imx.c | |
| @@ -28,6 +28,8 @@ | |
| #include "ci.h" | |
| #include "ci_hdrc_imx.h" | |
| +static int giUsbBusFreqEnable=1; | |
| +static int giBusFreqRequested = 0; | |
| struct ci_hdrc_imx_platform_flag { | |
| unsigned int flags; | |
| bool runtime_pm; | |
| @@ -440,6 +442,32 @@ static int imx_usb_register_charger(struct usb_charger *charger, | |
| return 0; | |
| } | |
| +static ssize_t usb_busfreq_show(struct device *dev, | |
| + struct device_attribute *attr, char *buf) | |
| +{ | |
| + int i; | |
| + | |
| + sprintf(buf,"%d\n",giUsbBusFreqEnable); | |
| + | |
| + return strlen (buf); | |
| +} | |
| + | |
| +static ssize_t usb_busfreq_store(struct device *dev, | |
| + struct device_attribute *attr, | |
| + const char *buf, size_t size) | |
| +{ | |
| + if(0==strncmp(buf,"1",1)) { | |
| + giUsbBusFreqEnable = 1; | |
| + } | |
| + else | |
| + if(0==strncmp(buf,"0",1)) { | |
| + giUsbBusFreqEnable = 0; | |
| + } | |
| + | |
| + return size; | |
| +} | |
| +static DEVICE_ATTR(busfreq, 0644, usb_busfreq_show, | |
| + usb_busfreq_store); | |
| static int ci_hdrc_imx_probe(struct platform_device *pdev) | |
| { | |
| @@ -449,7 +477,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) | |
| .capoffset = DEF_CAPOFFSET, | |
| .notify_event = ci_hdrc_imx_notify_event, | |
| }; | |
| - int ret; | |
| + int ret,err; | |
| const struct of_device_id *of_id = | |
| of_match_device(ci_hdrc_imx_dt_ids, &pdev->dev); | |
| const struct ci_hdrc_imx_platform_flag *imx_platform_flag = of_id->data; | |
| @@ -499,8 +527,11 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) | |
| ret = imx_get_clks(&pdev->dev); | |
| if (ret) | |
| return ret; | |
| + if(giUsbBusFreqEnable) { | |
| + request_bus_freq(BUS_FREQ_HIGH); | |
| + giBusFreqRequested = 1; | |
| + } | |
| - request_bus_freq(BUS_FREQ_HIGH); | |
| ret = imx_prepare_enable_clks(&pdev->dev); | |
| if (ret) | |
| goto err_bus_freq; | |
| @@ -607,6 +638,12 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) | |
| goto disable_device; | |
| } | |
| + err = sysfs_create_file(&pdev->dev.kobj, &dev_attr_busfreq.attr); | |
| + if (err) { | |
| + dev_err(&pdev->dev, | |
| + "Unable to register sysdev entry for busfreq request when plugged ."); | |
| + } | |
| + | |
| /* usbmisc needs to know dr mode to choose wakeup setting */ | |
| if (data->usbmisc_data) | |
| data->usbmisc_data->available_role = | |
| @@ -629,7 +666,10 @@ disable_hsic_regulator: | |
| err_clk: | |
| imx_disable_unprepare_clks(&pdev->dev); | |
| err_bus_freq: | |
| - release_bus_freq(BUS_FREQ_HIGH); | |
| + if(giBusFreqRequested) { | |
| + release_bus_freq(BUS_FREQ_HIGH); | |
| + giBusFreqRequested = 0; | |
| + } | |
| return ret; | |
| } | |
| @@ -644,7 +684,10 @@ static int ci_hdrc_imx_remove(struct platform_device *pdev) | |
| } | |
| ci_hdrc_remove_device(data->ci_pdev); | |
| imx_disable_unprepare_clks(&pdev->dev); | |
| - release_bus_freq(BUS_FREQ_HIGH); | |
| + if(giBusFreqRequested) { | |
| + release_bus_freq(BUS_FREQ_HIGH); | |
| + giBusFreqRequested = 0; | |
| + } | |
| if (data->hsic_pad_regulator) | |
| regulator_disable(data->hsic_pad_regulator); | |
| @@ -669,7 +712,10 @@ static int imx_controller_suspend(struct device *dev) | |
| } | |
| imx_disable_unprepare_clks(dev); | |
| - release_bus_freq(BUS_FREQ_HIGH); | |
| + if(giBusFreqRequested) { | |
| + release_bus_freq(BUS_FREQ_HIGH); | |
| + giBusFreqRequested = 0; | |
| + } | |
| data->in_lpm = true; | |
| return 0; | |
| @@ -687,7 +733,10 @@ static int imx_controller_resume(struct device *dev) | |
| return 0; | |
| } | |
| - request_bus_freq(BUS_FREQ_HIGH); | |
| + if(giUsbBusFreqEnable) { | |
| + request_bus_freq(BUS_FREQ_HIGH); | |
| + giBusFreqRequested = 1; | |
| + } | |
| ret = imx_prepare_enable_clks(dev); | |
| if (ret) | |
| return ret; | |
| diff --git a/kernel-2018/drivers/video/fbdev/mxc/mxc_epdc_v2_fb.c b/kernel-2021/drivers/video/fbdev/mxc/mxc_epdc_v2_fb.c | |
| index 8f9aca4..b4d4322 100644 | |
| --- a/kernel-2018/drivers/video/fbdev/mxc/mxc_epdc_v2_fb.c | |
| +++ b/kernel-2021/drivers/video/fbdev/mxc/mxc_epdc_v2_fb.c | |
| @@ -7798,7 +7798,7 @@ static int mxc_epdc_fb_remove(struct platform_device *pdev) | |
| static int mxc_epdc_fb_suspend(struct device *dev) | |
| { | |
| struct mxc_epdc_fb_data *data = dev_get_drvdata(dev); | |
| - int ret; | |
| + int ret = 0; | |
| if (POWER_STATE_OFF != data->power_state) | |
| diff --git a/kernel-2018/include/uapi/linux/netfilter/xt_CONNMARK.h b/kernel-2018/include/uapi/linux/netfilter/xt_CONNMARK.h | |
| deleted file mode 100644 | |
| index 2f2e48e..0000000 | |
| --- a/kernel-2018/include/uapi/linux/netfilter/xt_CONNMARK.h | |
| +++ /dev/null | |
| @@ -1,6 +0,0 @@ | |
| -#ifndef _XT_CONNMARK_H_target | |
| -#define _XT_CONNMARK_H_target | |
| - | |
| -#include <linux/netfilter/xt_connmark.h> | |
| - | |
| -#endif /*_XT_CONNMARK_H_target*/ | |
| diff --git a/kernel-2018/include/uapi/linux/netfilter/xt_DSCP.h b/kernel-2018/include/uapi/linux/netfilter/xt_DSCP.h | |
| deleted file mode 100644 | |
| index 648e0b3..0000000 | |
| --- a/kernel-2018/include/uapi/linux/netfilter/xt_DSCP.h | |
| +++ /dev/null | |
| @@ -1,26 +0,0 @@ | |
| -/* x_tables module for setting the IPv4/IPv6 DSCP field | |
| - * | |
| - * (C) 2002 Harald Welte <[email protected]> | |
| - * based on ipt_FTOS.c (C) 2000 by Matthew G. Marsh <[email protected]> | |
| - * This software is distributed under GNU GPL v2, 1991 | |
| - * | |
| - * See RFC2474 for a description of the DSCP field within the IP Header. | |
| - * | |
| - * xt_DSCP.h,v 1.7 2002/03/14 12:03:13 laforge Exp | |
| -*/ | |
| -#ifndef _XT_DSCP_TARGET_H | |
| -#define _XT_DSCP_TARGET_H | |
| -#include <linux/netfilter/xt_dscp.h> | |
| -#include <linux/types.h> | |
| - | |
| -/* target info */ | |
| -struct xt_DSCP_info { | |
| - __u8 dscp; | |
| -}; | |
| - | |
| -struct xt_tos_target_info { | |
| - __u8 tos_value; | |
| - __u8 tos_mask; | |
| -}; | |
| - | |
| -#endif /* _XT_DSCP_TARGET_H */ | |
| diff --git a/kernel-2018/include/uapi/linux/netfilter/xt_MARK.h b/kernel-2018/include/uapi/linux/netfilter/xt_MARK.h | |
| deleted file mode 100644 | |
| index 41c456d..0000000 | |
| --- a/kernel-2018/include/uapi/linux/netfilter/xt_MARK.h | |
| +++ /dev/null | |
| @@ -1,6 +0,0 @@ | |
| -#ifndef _XT_MARK_H_target | |
| -#define _XT_MARK_H_target | |
| - | |
| -#include <linux/netfilter/xt_mark.h> | |
| - | |
| -#endif /*_XT_MARK_H_target */ | |
| diff --git a/kernel-2018/include/uapi/linux/netfilter/xt_RATEEST.h b/kernel-2018/include/uapi/linux/netfilter/xt_RATEEST.h | |
| deleted file mode 100644 | |
| index 6605e20..0000000 | |
| --- a/kernel-2018/include/uapi/linux/netfilter/xt_RATEEST.h | |
| +++ /dev/null | |
| @@ -1,15 +0,0 @@ | |
| -#ifndef _XT_RATEEST_TARGET_H | |
| -#define _XT_RATEEST_TARGET_H | |
| - | |
| -#include <linux/types.h> | |
| - | |
| -struct xt_rateest_target_info { | |
| - char name[IFNAMSIZ]; | |
| - __s8 interval; | |
| - __u8 ewma_log; | |
| - | |
| - /* Used internally by the kernel */ | |
| - struct xt_rateest *est __attribute__((aligned(8))); | |
| -}; | |
| - | |
| -#endif /* _XT_RATEEST_TARGET_H */ | |
| diff --git a/kernel-2018/include/uapi/linux/netfilter/xt_TCPMSS.h b/kernel-2018/include/uapi/linux/netfilter/xt_TCPMSS.h | |
| deleted file mode 100644 | |
| index 9a6960a..0000000 | |
| --- a/kernel-2018/include/uapi/linux/netfilter/xt_TCPMSS.h | |
| +++ /dev/null | |
| @@ -1,12 +0,0 @@ | |
| -#ifndef _XT_TCPMSS_H | |
| -#define _XT_TCPMSS_H | |
| - | |
| -#include <linux/types.h> | |
| - | |
| -struct xt_tcpmss_info { | |
| - __u16 mss; | |
| -}; | |
| - | |
| -#define XT_TCPMSS_CLAMP_PMTU 0xffff | |
| - | |
| -#endif /* _XT_TCPMSS_H */ | |
| diff --git a/kernel-2021/include/uapi/linux/netfilter/xt_connmark.h b/kernel-2021/include/uapi/linux/netfilter/xt_connmark.h | |
| new file mode 100644 | |
| index 0000000..efc17a8 | |
| --- /dev/null | |
| +++ b/kernel-2021/include/uapi/linux/netfilter/xt_connmark.h | |
| @@ -0,0 +1,31 @@ | |
| +#ifndef _XT_CONNMARK_H | |
| +#define _XT_CONNMARK_H | |
| + | |
| +#include <linux/types.h> | |
| + | |
| +/* Copyright (C) 2002,2004 MARA Systems AB <http://www.marasystems.com> | |
| + * by Henrik Nordstrom <[email protected]> | |
| + * | |
| + * This program is free software; you can redistribute it and/or modify | |
| + * it under the terms of the GNU General Public License as published by | |
| + * the Free Software Foundation; either version 2 of the License, or | |
| + * (at your option) any later version. | |
| + */ | |
| + | |
| +enum { | |
| + XT_CONNMARK_SET = 0, | |
| + XT_CONNMARK_SAVE, | |
| + XT_CONNMARK_RESTORE | |
| +}; | |
| + | |
| +struct xt_connmark_tginfo1 { | |
| + __u32 ctmark, ctmask, nfmask; | |
| + __u8 mode; | |
| +}; | |
| + | |
| +struct xt_connmark_mtinfo1 { | |
| + __u32 mark, mask; | |
| + __u8 invert; | |
| +}; | |
| + | |
| +#endif /*_XT_CONNMARK_H*/ | |
| diff --git a/kernel-2021/include/uapi/linux/netfilter/xt_dscp.h b/kernel-2021/include/uapi/linux/netfilter/xt_dscp.h | |
| new file mode 100644 | |
| index 0000000..15f8932 | |
| --- /dev/null | |
| +++ b/kernel-2021/include/uapi/linux/netfilter/xt_dscp.h | |
| @@ -0,0 +1,31 @@ | |
| +/* x_tables module for matching the IPv4/IPv6 DSCP field | |
| + * | |
| + * (C) 2002 Harald Welte <[email protected]> | |
| + * This software is distributed under GNU GPL v2, 1991 | |
| + * | |
| + * See RFC2474 for a description of the DSCP field within the IP Header. | |
| + * | |
| + * xt_dscp.h,v 1.3 2002/08/05 19:00:21 laforge Exp | |
| +*/ | |
| +#ifndef _XT_DSCP_H | |
| +#define _XT_DSCP_H | |
| + | |
| +#include <linux/types.h> | |
| + | |
| +#define XT_DSCP_MASK 0xfc /* 11111100 */ | |
| +#define XT_DSCP_SHIFT 2 | |
| +#define XT_DSCP_MAX 0x3f /* 00111111 */ | |
| + | |
| +/* match info */ | |
| +struct xt_dscp_info { | |
| + __u8 dscp; | |
| + __u8 invert; | |
| +}; | |
| + | |
| +struct xt_tos_match_info { | |
| + __u8 tos_mask; | |
| + __u8 tos_value; | |
| + __u8 invert; | |
| +}; | |
| + | |
| +#endif /* _XT_DSCP_H */ | |
| diff --git a/kernel-2021/include/uapi/linux/netfilter/xt_mark.h b/kernel-2021/include/uapi/linux/netfilter/xt_mark.h | |
| new file mode 100644 | |
| index 0000000..ecadc40 | |
| --- /dev/null | |
| +++ b/kernel-2021/include/uapi/linux/netfilter/xt_mark.h | |
| @@ -0,0 +1,15 @@ | |
| +#ifndef _XT_MARK_H | |
| +#define _XT_MARK_H | |
| + | |
| +#include <linux/types.h> | |
| + | |
| +struct xt_mark_tginfo2 { | |
| + __u32 mark, mask; | |
| +}; | |
| + | |
| +struct xt_mark_mtinfo1 { | |
| + __u32 mark, mask; | |
| + __u8 invert; | |
| +}; | |
| + | |
| +#endif /*_XT_MARK_H*/ | |
| diff --git a/kernel-2021/include/uapi/linux/netfilter/xt_rateest.h b/kernel-2021/include/uapi/linux/netfilter/xt_rateest.h | |
| new file mode 100644 | |
| index 0000000..d40a619 | |
| --- /dev/null | |
| +++ b/kernel-2021/include/uapi/linux/netfilter/xt_rateest.h | |
| @@ -0,0 +1,37 @@ | |
| +#ifndef _XT_RATEEST_MATCH_H | |
| +#define _XT_RATEEST_MATCH_H | |
| + | |
| +#include <linux/types.h> | |
| + | |
| +enum xt_rateest_match_flags { | |
| + XT_RATEEST_MATCH_INVERT = 1<<0, | |
| + XT_RATEEST_MATCH_ABS = 1<<1, | |
| + XT_RATEEST_MATCH_REL = 1<<2, | |
| + XT_RATEEST_MATCH_DELTA = 1<<3, | |
| + XT_RATEEST_MATCH_BPS = 1<<4, | |
| + XT_RATEEST_MATCH_PPS = 1<<5, | |
| +}; | |
| + | |
| +enum xt_rateest_match_mode { | |
| + XT_RATEEST_MATCH_NONE, | |
| + XT_RATEEST_MATCH_EQ, | |
| + XT_RATEEST_MATCH_LT, | |
| + XT_RATEEST_MATCH_GT, | |
| +}; | |
| + | |
| +struct xt_rateest_match_info { | |
| + char name1[IFNAMSIZ]; | |
| + char name2[IFNAMSIZ]; | |
| + __u16 flags; | |
| + __u16 mode; | |
| + __u32 bps1; | |
| + __u32 pps1; | |
| + __u32 bps2; | |
| + __u32 pps2; | |
| + | |
| + /* Used internally by the kernel */ | |
| + struct xt_rateest *est1 __attribute__((aligned(8))); | |
| + struct xt_rateest *est2 __attribute__((aligned(8))); | |
| +}; | |
| + | |
| +#endif /* _XT_RATEEST_MATCH_H */ | |
| diff --git a/kernel-2021/include/uapi/linux/netfilter/xt_tcpmss.h b/kernel-2021/include/uapi/linux/netfilter/xt_tcpmss.h | |
| new file mode 100644 | |
| index 0000000..fbac56b | |
| --- /dev/null | |
| +++ b/kernel-2021/include/uapi/linux/netfilter/xt_tcpmss.h | |
| @@ -0,0 +1,11 @@ | |
| +#ifndef _XT_TCPMSS_MATCH_H | |
| +#define _XT_TCPMSS_MATCH_H | |
| + | |
| +#include <linux/types.h> | |
| + | |
| +struct xt_tcpmss_match_info { | |
| + __u16 mss_min, mss_max; | |
| + __u8 invert; | |
| +}; | |
| + | |
| +#endif /*_XT_TCPMSS_MATCH_H*/ | |
| diff --git a/kernel-2018/include/uapi/linux/netfilter_ipv4/ipt_ECN.h b/kernel-2018/include/uapi/linux/netfilter_ipv4/ipt_ECN.h | |
| deleted file mode 100644 | |
| index bb88d53..0000000 | |
| --- a/kernel-2018/include/uapi/linux/netfilter_ipv4/ipt_ECN.h | |
| +++ /dev/null | |
| @@ -1,33 +0,0 @@ | |
| -/* Header file for iptables ipt_ECN target | |
| - * | |
| - * (C) 2002 by Harald Welte <[email protected]> | |
| - * | |
| - * This software is distributed under GNU GPL v2, 1991 | |
| - * | |
| - * ipt_ECN.h,v 1.3 2002/05/29 12:17:40 laforge Exp | |
| -*/ | |
| -#ifndef _IPT_ECN_TARGET_H | |
| -#define _IPT_ECN_TARGET_H | |
| - | |
| -#include <linux/types.h> | |
| -#include <linux/netfilter/xt_DSCP.h> | |
| - | |
| -#define IPT_ECN_IP_MASK (~XT_DSCP_MASK) | |
| - | |
| -#define IPT_ECN_OP_SET_IP 0x01 /* set ECN bits of IPv4 header */ | |
| -#define IPT_ECN_OP_SET_ECE 0x10 /* set ECE bit of TCP header */ | |
| -#define IPT_ECN_OP_SET_CWR 0x20 /* set CWR bit of TCP header */ | |
| - | |
| -#define IPT_ECN_OP_MASK 0xce | |
| - | |
| -struct ipt_ECN_info { | |
| - __u8 operation; /* bitset of operations */ | |
| - __u8 ip_ect; /* ECT codepoint of IPv4 header, pre-shifted */ | |
| - union { | |
| - struct { | |
| - __u8 ece:1, cwr:1; /* TCP ECT bits */ | |
| - } tcp; | |
| - } proto; | |
| -}; | |
| - | |
| -#endif /* _IPT_ECN_TARGET_H */ | |
| diff --git a/kernel-2018/include/uapi/linux/netfilter_ipv4/ipt_TTL.h b/kernel-2018/include/uapi/linux/netfilter_ipv4/ipt_TTL.h | |
| deleted file mode 100644 | |
| index f6ac169..0000000 | |
| --- a/kernel-2018/include/uapi/linux/netfilter_ipv4/ipt_TTL.h | |
| +++ /dev/null | |
| @@ -1,23 +0,0 @@ | |
| -/* TTL modification module for IP tables | |
| - * (C) 2000 by Harald Welte <[email protected]> */ | |
| - | |
| -#ifndef _IPT_TTL_H | |
| -#define _IPT_TTL_H | |
| - | |
| -#include <linux/types.h> | |
| - | |
| -enum { | |
| - IPT_TTL_SET = 0, | |
| - IPT_TTL_INC, | |
| - IPT_TTL_DEC | |
| -}; | |
| - | |
| -#define IPT_TTL_MAXMODE IPT_TTL_DEC | |
| - | |
| -struct ipt_TTL_info { | |
| - __u8 mode; | |
| - __u8 ttl; | |
| -}; | |
| - | |
| - | |
| -#endif | |
| diff --git a/kernel-2021/include/uapi/linux/netfilter_ipv4/ipt_ecn.h b/kernel-2021/include/uapi/linux/netfilter_ipv4/ipt_ecn.h | |
| new file mode 100644 | |
| index 0000000..0e0c063 | |
| --- /dev/null | |
| +++ b/kernel-2021/include/uapi/linux/netfilter_ipv4/ipt_ecn.h | |
| @@ -0,0 +1,15 @@ | |
| +#ifndef _IPT_ECN_H | |
| +#define _IPT_ECN_H | |
| + | |
| +#include <linux/netfilter/xt_ecn.h> | |
| +#define ipt_ecn_info xt_ecn_info | |
| + | |
| +enum { | |
| + IPT_ECN_IP_MASK = XT_ECN_IP_MASK, | |
| + IPT_ECN_OP_MATCH_IP = XT_ECN_OP_MATCH_IP, | |
| + IPT_ECN_OP_MATCH_ECE = XT_ECN_OP_MATCH_ECE, | |
| + IPT_ECN_OP_MATCH_CWR = XT_ECN_OP_MATCH_CWR, | |
| + IPT_ECN_OP_MATCH_MASK = XT_ECN_OP_MATCH_MASK, | |
| +}; | |
| + | |
| +#endif /* IPT_ECN_H */ | |
| diff --git a/kernel-2021/include/uapi/linux/netfilter_ipv4/ipt_ttl.h b/kernel-2021/include/uapi/linux/netfilter_ipv4/ipt_ttl.h | |
| new file mode 100644 | |
| index 0000000..37bee44 | |
| --- /dev/null | |
| +++ b/kernel-2021/include/uapi/linux/netfilter_ipv4/ipt_ttl.h | |
| @@ -0,0 +1,23 @@ | |
| +/* IP tables module for matching the value of the TTL | |
| + * (C) 2000 by Harald Welte <[email protected]> */ | |
| + | |
| +#ifndef _IPT_TTL_H | |
| +#define _IPT_TTL_H | |
| + | |
| +#include <linux/types.h> | |
| + | |
| +enum { | |
| + IPT_TTL_EQ = 0, /* equals */ | |
| + IPT_TTL_NE, /* not equals */ | |
| + IPT_TTL_LT, /* less than */ | |
| + IPT_TTL_GT, /* greater than */ | |
| +}; | |
| + | |
| + | |
| +struct ipt_ttl_info { | |
| + __u8 mode; | |
| + __u8 ttl; | |
| +}; | |
| + | |
| + | |
| +#endif | |
| diff --git a/kernel-2018/include/uapi/linux/netfilter_ipv6/ip6t_HL.h b/kernel-2018/include/uapi/linux/netfilter_ipv6/ip6t_HL.h | |
| deleted file mode 100644 | |
| index ebd8ead..0000000 | |
| --- a/kernel-2018/include/uapi/linux/netfilter_ipv6/ip6t_HL.h | |
| +++ /dev/null | |
| @@ -1,24 +0,0 @@ | |
| -/* Hop Limit modification module for ip6tables | |
| - * Maciej Soltysiak <[email protected]> | |
| - * Based on HW's TTL module */ | |
| - | |
| -#ifndef _IP6T_HL_H | |
| -#define _IP6T_HL_H | |
| - | |
| -#include <linux/types.h> | |
| - | |
| -enum { | |
| - IP6T_HL_SET = 0, | |
| - IP6T_HL_INC, | |
| - IP6T_HL_DEC | |
| -}; | |
| - | |
| -#define IP6T_HL_MAXMODE IP6T_HL_DEC | |
| - | |
| -struct ip6t_HL_info { | |
| - __u8 mode; | |
| - __u8 hop_limit; | |
| -}; | |
| - | |
| - | |
| -#endif | |
| diff --git a/kernel-2021/include/uapi/linux/netfilter_ipv6/ip6t_hl.h b/kernel-2021/include/uapi/linux/netfilter_ipv6/ip6t_hl.h | |
| new file mode 100644 | |
| index 0000000..6e76dbc | |
| --- /dev/null | |
| +++ b/kernel-2021/include/uapi/linux/netfilter_ipv6/ip6t_hl.h | |
| @@ -0,0 +1,24 @@ | |
| +/* ip6tables module for matching the Hop Limit value | |
| + * Maciej Soltysiak <[email protected]> | |
| + * Based on HW's ttl module */ | |
| + | |
| +#ifndef _IP6T_HL_H | |
| +#define _IP6T_HL_H | |
| + | |
| +#include <linux/types.h> | |
| + | |
| +enum { | |
| + IP6T_HL_EQ = 0, /* equals */ | |
| + IP6T_HL_NE, /* not equals */ | |
| + IP6T_HL_LT, /* less than */ | |
| + IP6T_HL_GT, /* greater than */ | |
| +}; | |
| + | |
| + | |
| +struct ip6t_hl_info { | |
| + __u8 mode; | |
| + __u8 hop_limit; | |
| +}; | |
| + | |
| + | |
| +#endif | |
| diff --git a/kernel-2018/net/netfilter/xt_DSCP.c b/kernel-2018/net/netfilter/xt_DSCP.c | |
| deleted file mode 100644 | |
| index 3f83d38..0000000 | |
| --- a/kernel-2018/net/netfilter/xt_DSCP.c | |
| +++ /dev/null | |
| @@ -1,166 +0,0 @@ | |
| -/* x_tables module for setting the IPv4/IPv6 DSCP field, Version 1.8 | |
| - * | |
| - * (C) 2002 by Harald Welte <[email protected]> | |
| - * based on ipt_FTOS.c (C) 2000 by Matthew G. Marsh <[email protected]> | |
| - * | |
| - * This program is free software; you can redistribute it and/or modify | |
| - * it under the terms of the GNU General Public License version 2 as | |
| - * published by the Free Software Foundation. | |
| - * | |
| - * See RFC2474 for a description of the DSCP field within the IP Header. | |
| -*/ | |
| -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
| -#include <linux/module.h> | |
| -#include <linux/skbuff.h> | |
| -#include <linux/ip.h> | |
| -#include <linux/ipv6.h> | |
| -#include <net/dsfield.h> | |
| - | |
| -#include <linux/netfilter/x_tables.h> | |
| -#include <linux/netfilter/xt_DSCP.h> | |
| - | |
| -MODULE_AUTHOR("Harald Welte <[email protected]>"); | |
| -MODULE_DESCRIPTION("Xtables: DSCP/TOS field modification"); | |
| -MODULE_LICENSE("GPL"); | |
| -MODULE_ALIAS("ipt_DSCP"); | |
| -MODULE_ALIAS("ip6t_DSCP"); | |
| -MODULE_ALIAS("ipt_TOS"); | |
| -MODULE_ALIAS("ip6t_TOS"); | |
| - | |
| -static unsigned int | |
| -dscp_tg(struct sk_buff *skb, const struct xt_action_param *par) | |
| -{ | |
| - const struct xt_DSCP_info *dinfo = par->targinfo; | |
| - u_int8_t dscp = ipv4_get_dsfield(ip_hdr(skb)) >> XT_DSCP_SHIFT; | |
| - | |
| - if (dscp != dinfo->dscp) { | |
| - if (!skb_make_writable(skb, sizeof(struct iphdr))) | |
| - return NF_DROP; | |
| - | |
| - ipv4_change_dsfield(ip_hdr(skb), | |
| - (__force __u8)(~XT_DSCP_MASK), | |
| - dinfo->dscp << XT_DSCP_SHIFT); | |
| - | |
| - } | |
| - return XT_CONTINUE; | |
| -} | |
| - | |
| -static unsigned int | |
| -dscp_tg6(struct sk_buff *skb, const struct xt_action_param *par) | |
| -{ | |
| - const struct xt_DSCP_info *dinfo = par->targinfo; | |
| - u_int8_t dscp = ipv6_get_dsfield(ipv6_hdr(skb)) >> XT_DSCP_SHIFT; | |
| - | |
| - if (dscp != dinfo->dscp) { | |
| - if (!skb_make_writable(skb, sizeof(struct ipv6hdr))) | |
| - return NF_DROP; | |
| - | |
| - ipv6_change_dsfield(ipv6_hdr(skb), | |
| - (__force __u8)(~XT_DSCP_MASK), | |
| - dinfo->dscp << XT_DSCP_SHIFT); | |
| - } | |
| - return XT_CONTINUE; | |
| -} | |
| - | |
| -static int dscp_tg_check(const struct xt_tgchk_param *par) | |
| -{ | |
| - const struct xt_DSCP_info *info = par->targinfo; | |
| - | |
| - if (info->dscp > XT_DSCP_MAX) { | |
| - pr_info("dscp %x out of range\n", info->dscp); | |
| - return -EDOM; | |
| - } | |
| - return 0; | |
| -} | |
| - | |
| -static unsigned int | |
| -tos_tg(struct sk_buff *skb, const struct xt_action_param *par) | |
| -{ | |
| - const struct xt_tos_target_info *info = par->targinfo; | |
| - struct iphdr *iph = ip_hdr(skb); | |
| - u_int8_t orig, nv; | |
| - | |
| - orig = ipv4_get_dsfield(iph); | |
| - nv = (orig & ~info->tos_mask) ^ info->tos_value; | |
| - | |
| - if (orig != nv) { | |
| - if (!skb_make_writable(skb, sizeof(struct iphdr))) | |
| - return NF_DROP; | |
| - iph = ip_hdr(skb); | |
| - ipv4_change_dsfield(iph, 0, nv); | |
| - } | |
| - | |
| - return XT_CONTINUE; | |
| -} | |
| - | |
| -static unsigned int | |
| -tos_tg6(struct sk_buff *skb, const struct xt_action_param *par) | |
| -{ | |
| - const struct xt_tos_target_info *info = par->targinfo; | |
| - struct ipv6hdr *iph = ipv6_hdr(skb); | |
| - u_int8_t orig, nv; | |
| - | |
| - orig = ipv6_get_dsfield(iph); | |
| - nv = (orig & ~info->tos_mask) ^ info->tos_value; | |
| - | |
| - if (orig != nv) { | |
| - if (!skb_make_writable(skb, sizeof(struct iphdr))) | |
| - return NF_DROP; | |
| - iph = ipv6_hdr(skb); | |
| - ipv6_change_dsfield(iph, 0, nv); | |
| - } | |
| - | |
| - return XT_CONTINUE; | |
| -} | |
| - | |
| -static struct xt_target dscp_tg_reg[] __read_mostly = { | |
| - { | |
| - .name = "DSCP", | |
| - .family = NFPROTO_IPV4, | |
| - .checkentry = dscp_tg_check, | |
| - .target = dscp_tg, | |
| - .targetsize = sizeof(struct xt_DSCP_info), | |
| - .table = "mangle", | |
| - .me = THIS_MODULE, | |
| - }, | |
| - { | |
| - .name = "DSCP", | |
| - .family = NFPROTO_IPV6, | |
| - .checkentry = dscp_tg_check, | |
| - .target = dscp_tg6, | |
| - .targetsize = sizeof(struct xt_DSCP_info), | |
| - .table = "mangle", | |
| - .me = THIS_MODULE, | |
| - }, | |
| - { | |
| - .name = "TOS", | |
| - .revision = 1, | |
| - .family = NFPROTO_IPV4, | |
| - .table = "mangle", | |
| - .target = tos_tg, | |
| - .targetsize = sizeof(struct xt_tos_target_info), | |
| - .me = THIS_MODULE, | |
| - }, | |
| - { | |
| - .name = "TOS", | |
| - .revision = 1, | |
| - .family = NFPROTO_IPV6, | |
| - .table = "mangle", | |
| - .target = tos_tg6, | |
| - .targetsize = sizeof(struct xt_tos_target_info), | |
| - .me = THIS_MODULE, | |
| - }, | |
| -}; | |
| - | |
| -static int __init dscp_tg_init(void) | |
| -{ | |
| - return xt_register_targets(dscp_tg_reg, ARRAY_SIZE(dscp_tg_reg)); | |
| -} | |
| - | |
| -static void __exit dscp_tg_exit(void) | |
| -{ | |
| - xt_unregister_targets(dscp_tg_reg, ARRAY_SIZE(dscp_tg_reg)); | |
| -} | |
| - | |
| -module_init(dscp_tg_init); | |
| -module_exit(dscp_tg_exit); | |
| diff --git a/kernel-2018/net/netfilter/xt_HL.c b/kernel-2018/net/netfilter/xt_HL.c | |
| deleted file mode 100644 | |
| index 1535e87..0000000 | |
| --- a/kernel-2018/net/netfilter/xt_HL.c | |
| +++ /dev/null | |
| @@ -1,169 +0,0 @@ | |
| -/* | |
| - * TTL modification target for IP tables | |
| - * (C) 2000,2005 by Harald Welte <[email protected]> | |
| - * | |
| - * Hop Limit modification target for ip6tables | |
| - * Maciej Soltysiak <[email protected]> | |
| - * | |
| - * This program is free software; you can redistribute it and/or modify | |
| - * it under the terms of the GNU General Public License version 2 as | |
| - * published by the Free Software Foundation. | |
| - */ | |
| -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
| -#include <linux/module.h> | |
| -#include <linux/skbuff.h> | |
| -#include <linux/ip.h> | |
| -#include <linux/ipv6.h> | |
| -#include <net/checksum.h> | |
| - | |
| -#include <linux/netfilter/x_tables.h> | |
| -#include <linux/netfilter_ipv4/ipt_TTL.h> | |
| -#include <linux/netfilter_ipv6/ip6t_HL.h> | |
| - | |
| -MODULE_AUTHOR("Harald Welte <[email protected]>"); | |
| -MODULE_AUTHOR("Maciej Soltysiak <[email protected]>"); | |
| -MODULE_DESCRIPTION("Xtables: Hoplimit/TTL Limit field modification target"); | |
| -MODULE_LICENSE("GPL"); | |
| - | |
| -static unsigned int | |
| -ttl_tg(struct sk_buff *skb, const struct xt_action_param *par) | |
| -{ | |
| - struct iphdr *iph; | |
| - const struct ipt_TTL_info *info = par->targinfo; | |
| - int new_ttl; | |
| - | |
| - if (!skb_make_writable(skb, skb->len)) | |
| - return NF_DROP; | |
| - | |
| - iph = ip_hdr(skb); | |
| - | |
| - switch (info->mode) { | |
| - case IPT_TTL_SET: | |
| - new_ttl = info->ttl; | |
| - break; | |
| - case IPT_TTL_INC: | |
| - new_ttl = iph->ttl + info->ttl; | |
| - if (new_ttl > 255) | |
| - new_ttl = 255; | |
| - break; | |
| - case IPT_TTL_DEC: | |
| - new_ttl = iph->ttl - info->ttl; | |
| - if (new_ttl < 0) | |
| - new_ttl = 0; | |
| - break; | |
| - default: | |
| - new_ttl = iph->ttl; | |
| - break; | |
| - } | |
| - | |
| - if (new_ttl != iph->ttl) { | |
| - csum_replace2(&iph->check, htons(iph->ttl << 8), | |
| - htons(new_ttl << 8)); | |
| - iph->ttl = new_ttl; | |
| - } | |
| - | |
| - return XT_CONTINUE; | |
| -} | |
| - | |
| -static unsigned int | |
| -hl_tg6(struct sk_buff *skb, const struct xt_action_param *par) | |
| -{ | |
| - struct ipv6hdr *ip6h; | |
| - const struct ip6t_HL_info *info = par->targinfo; | |
| - int new_hl; | |
| - | |
| - if (!skb_make_writable(skb, skb->len)) | |
| - return NF_DROP; | |
| - | |
| - ip6h = ipv6_hdr(skb); | |
| - | |
| - switch (info->mode) { | |
| - case IP6T_HL_SET: | |
| - new_hl = info->hop_limit; | |
| - break; | |
| - case IP6T_HL_INC: | |
| - new_hl = ip6h->hop_limit + info->hop_limit; | |
| - if (new_hl > 255) | |
| - new_hl = 255; | |
| - break; | |
| - case IP6T_HL_DEC: | |
| - new_hl = ip6h->hop_limit - info->hop_limit; | |
| - if (new_hl < 0) | |
| - new_hl = 0; | |
| - break; | |
| - default: | |
| - new_hl = ip6h->hop_limit; | |
| - break; | |
| - } | |
| - | |
| - ip6h->hop_limit = new_hl; | |
| - | |
| - return XT_CONTINUE; | |
| -} | |
| - | |
| -static int ttl_tg_check(const struct xt_tgchk_param *par) | |
| -{ | |
| - const struct ipt_TTL_info *info = par->targinfo; | |
| - | |
| - if (info->mode > IPT_TTL_MAXMODE) { | |
| - pr_info("TTL: invalid or unknown mode %u\n", info->mode); | |
| - return -EINVAL; | |
| - } | |
| - if (info->mode != IPT_TTL_SET && info->ttl == 0) | |
| - return -EINVAL; | |
| - return 0; | |
| -} | |
| - | |
| -static int hl_tg6_check(const struct xt_tgchk_param *par) | |
| -{ | |
| - const struct ip6t_HL_info *info = par->targinfo; | |
| - | |
| - if (info->mode > IP6T_HL_MAXMODE) { | |
| - pr_info("invalid or unknown mode %u\n", info->mode); | |
| - return -EINVAL; | |
| - } | |
| - if (info->mode != IP6T_HL_SET && info->hop_limit == 0) { | |
| - pr_info("increment/decrement does not " | |
| - "make sense with value 0\n"); | |
| - return -EINVAL; | |
| - } | |
| - return 0; | |
| -} | |
| - | |
| -static struct xt_target hl_tg_reg[] __read_mostly = { | |
| - { | |
| - .name = "TTL", | |
| - .revision = 0, | |
| - .family = NFPROTO_IPV4, | |
| - .target = ttl_tg, | |
| - .targetsize = sizeof(struct ipt_TTL_info), | |
| - .table = "mangle", | |
| - .checkentry = ttl_tg_check, | |
| - .me = THIS_MODULE, | |
| - }, | |
| - { | |
| - .name = "HL", | |
| - .revision = 0, | |
| - .family = NFPROTO_IPV6, | |
| - .target = hl_tg6, | |
| - .targetsize = sizeof(struct ip6t_HL_info), | |
| - .table = "mangle", | |
| - .checkentry = hl_tg6_check, | |
| - .me = THIS_MODULE, | |
| - }, | |
| -}; | |
| - | |
| -static int __init hl_tg_init(void) | |
| -{ | |
| - return xt_register_targets(hl_tg_reg, ARRAY_SIZE(hl_tg_reg)); | |
| -} | |
| - | |
| -static void __exit hl_tg_exit(void) | |
| -{ | |
| - xt_unregister_targets(hl_tg_reg, ARRAY_SIZE(hl_tg_reg)); | |
| -} | |
| - | |
| -module_init(hl_tg_init); | |
| -module_exit(hl_tg_exit); | |
| -MODULE_ALIAS("ipt_TTL"); | |
| -MODULE_ALIAS("ip6t_HL"); | |
| diff --git a/kernel-2018/net/netfilter/xt_RATEEST.c b/kernel-2018/net/netfilter/xt_RATEEST.c | |
| deleted file mode 100644 | |
| index 604df6f..0000000 | |
| --- a/kernel-2018/net/netfilter/xt_RATEEST.c | |
| +++ /dev/null | |
| @@ -1,194 +0,0 @@ | |
| -/* | |
| - * (C) 2007 Patrick McHardy <[email protected]> | |
| - * | |
| - * This program is free software; you can redistribute it and/or modify | |
| - * it under the terms of the GNU General Public License version 2 as | |
| - * published by the Free Software Foundation. | |
| - */ | |
| -#include <linux/module.h> | |
| -#include <linux/skbuff.h> | |
| -#include <linux/gen_stats.h> | |
| -#include <linux/jhash.h> | |
| -#include <linux/rtnetlink.h> | |
| -#include <linux/random.h> | |
| -#include <linux/slab.h> | |
| -#include <net/gen_stats.h> | |
| -#include <net/netlink.h> | |
| - | |
| -#include <linux/netfilter/x_tables.h> | |
| -#include <linux/netfilter/xt_RATEEST.h> | |
| -#include <net/netfilter/xt_rateest.h> | |
| - | |
| -static DEFINE_MUTEX(xt_rateest_mutex); | |
| - | |
| -#define RATEEST_HSIZE 16 | |
| -static struct hlist_head rateest_hash[RATEEST_HSIZE] __read_mostly; | |
| -static unsigned int jhash_rnd __read_mostly; | |
| -static bool rnd_inited __read_mostly; | |
| - | |
| -static unsigned int xt_rateest_hash(const char *name) | |
| -{ | |
| - return jhash(name, FIELD_SIZEOF(struct xt_rateest, name), jhash_rnd) & | |
| - (RATEEST_HSIZE - 1); | |
| -} | |
| - | |
| -static void xt_rateest_hash_insert(struct xt_rateest *est) | |
| -{ | |
| - unsigned int h; | |
| - | |
| - h = xt_rateest_hash(est->name); | |
| - hlist_add_head(&est->list, &rateest_hash[h]); | |
| -} | |
| - | |
| -struct xt_rateest *xt_rateest_lookup(const char *name) | |
| -{ | |
| - struct xt_rateest *est; | |
| - unsigned int h; | |
| - | |
| - h = xt_rateest_hash(name); | |
| - mutex_lock(&xt_rateest_mutex); | |
| - hlist_for_each_entry(est, &rateest_hash[h], list) { | |
| - if (strcmp(est->name, name) == 0) { | |
| - est->refcnt++; | |
| - mutex_unlock(&xt_rateest_mutex); | |
| - return est; | |
| - } | |
| - } | |
| - mutex_unlock(&xt_rateest_mutex); | |
| - return NULL; | |
| -} | |
| -EXPORT_SYMBOL_GPL(xt_rateest_lookup); | |
| - | |
| -void xt_rateest_put(struct xt_rateest *est) | |
| -{ | |
| - mutex_lock(&xt_rateest_mutex); | |
| - if (--est->refcnt == 0) { | |
| - hlist_del(&est->list); | |
| - gen_kill_estimator(&est->bstats, &est->rstats); | |
| - /* | |
| - * gen_estimator est_timer() might access est->lock or bstats, | |
| - * wait a RCU grace period before freeing 'est' | |
| - */ | |
| - kfree_rcu(est, rcu); | |
| - } | |
| - mutex_unlock(&xt_rateest_mutex); | |
| -} | |
| -EXPORT_SYMBOL_GPL(xt_rateest_put); | |
| - | |
| -static unsigned int | |
| -xt_rateest_tg(struct sk_buff *skb, const struct xt_action_param *par) | |
| -{ | |
| - const struct xt_rateest_target_info *info = par->targinfo; | |
| - struct gnet_stats_basic_packed *stats = &info->est->bstats; | |
| - | |
| - spin_lock_bh(&info->est->lock); | |
| - stats->bytes += skb->len; | |
| - stats->packets++; | |
| - spin_unlock_bh(&info->est->lock); | |
| - | |
| - return XT_CONTINUE; | |
| -} | |
| - | |
| -static int xt_rateest_tg_checkentry(const struct xt_tgchk_param *par) | |
| -{ | |
| - struct xt_rateest_target_info *info = par->targinfo; | |
| - struct xt_rateest *est; | |
| - struct { | |
| - struct nlattr opt; | |
| - struct gnet_estimator est; | |
| - } cfg; | |
| - int ret; | |
| - | |
| - if (unlikely(!rnd_inited)) { | |
| - get_random_bytes(&jhash_rnd, sizeof(jhash_rnd)); | |
| - rnd_inited = true; | |
| - } | |
| - | |
| - est = xt_rateest_lookup(info->name); | |
| - if (est) { | |
| - /* | |
| - * If estimator parameters are specified, they must match the | |
| - * existing estimator. | |
| - */ | |
| - if ((!info->interval && !info->ewma_log) || | |
| - (info->interval != est->params.interval || | |
| - info->ewma_log != est->params.ewma_log)) { | |
| - xt_rateest_put(est); | |
| - return -EINVAL; | |
| - } | |
| - info->est = est; | |
| - return 0; | |
| - } | |
| - | |
| - ret = -ENOMEM; | |
| - est = kzalloc(sizeof(*est), GFP_KERNEL); | |
| - if (!est) | |
| - goto err1; | |
| - | |
| - strlcpy(est->name, info->name, sizeof(est->name)); | |
| - spin_lock_init(&est->lock); | |
| - est->refcnt = 1; | |
| - est->params.interval = info->interval; | |
| - est->params.ewma_log = info->ewma_log; | |
| - | |
| - cfg.opt.nla_len = nla_attr_size(sizeof(cfg.est)); | |
| - cfg.opt.nla_type = TCA_STATS_RATE_EST; | |
| - cfg.est.interval = info->interval; | |
| - cfg.est.ewma_log = info->ewma_log; | |
| - | |
| - ret = gen_new_estimator(&est->bstats, NULL, &est->rstats, | |
| - &est->lock, &cfg.opt); | |
| - if (ret < 0) | |
| - goto err2; | |
| - | |
| - info->est = est; | |
| - xt_rateest_hash_insert(est); | |
| - return 0; | |
| - | |
| -err2: | |
| - kfree(est); | |
| -err1: | |
| - return ret; | |
| -} | |
| - | |
| -static void xt_rateest_tg_destroy(const struct xt_tgdtor_param *par) | |
| -{ | |
| - struct xt_rateest_target_info *info = par->targinfo; | |
| - | |
| - xt_rateest_put(info->est); | |
| -} | |
| - | |
| -static struct xt_target xt_rateest_tg_reg __read_mostly = { | |
| - .name = "RATEEST", | |
| - .revision = 0, | |
| - .family = NFPROTO_UNSPEC, | |
| - .target = xt_rateest_tg, | |
| - .checkentry = xt_rateest_tg_checkentry, | |
| - .destroy = xt_rateest_tg_destroy, | |
| - .targetsize = sizeof(struct xt_rateest_target_info), | |
| - .me = THIS_MODULE, | |
| -}; | |
| - | |
| -static int __init xt_rateest_tg_init(void) | |
| -{ | |
| - unsigned int i; | |
| - | |
| - for (i = 0; i < ARRAY_SIZE(rateest_hash); i++) | |
| - INIT_HLIST_HEAD(&rateest_hash[i]); | |
| - | |
| - return xt_register_target(&xt_rateest_tg_reg); | |
| -} | |
| - | |
| -static void __exit xt_rateest_tg_fini(void) | |
| -{ | |
| - xt_unregister_target(&xt_rateest_tg_reg); | |
| -} | |
| - | |
| - | |
| -MODULE_AUTHOR("Patrick McHardy <[email protected]>"); | |
| -MODULE_LICENSE("GPL"); | |
| -MODULE_DESCRIPTION("Xtables: packet rate estimator"); | |
| -MODULE_ALIAS("ipt_RATEEST"); | |
| -MODULE_ALIAS("ip6t_RATEEST"); | |
| -module_init(xt_rateest_tg_init); | |
| -module_exit(xt_rateest_tg_fini); | |
| diff --git a/kernel-2018/net/netfilter/xt_TCPMSS.c b/kernel-2018/net/netfilter/xt_TCPMSS.c | |
| deleted file mode 100644 | |
| index e762de5..0000000 | |
| --- a/kernel-2018/net/netfilter/xt_TCPMSS.c | |
| +++ /dev/null | |
| @@ -1,344 +0,0 @@ | |
| -/* | |
| - * This is a module which is used for setting the MSS option in TCP packets. | |
| - * | |
| - * Copyright (C) 2000 Marc Boucher <[email protected]> | |
| - * Copyright (C) 2007 Patrick McHardy <[email protected]> | |
| - * | |
| - * This program is free software; you can redistribute it and/or modify | |
| - * it under the terms of the GNU General Public License version 2 as | |
| - * published by the Free Software Foundation. | |
| - */ | |
| -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
| -#include <linux/module.h> | |
| -#include <linux/skbuff.h> | |
| -#include <linux/ip.h> | |
| -#include <linux/gfp.h> | |
| -#include <linux/ipv6.h> | |
| -#include <linux/tcp.h> | |
| -#include <net/dst.h> | |
| -#include <net/flow.h> | |
| -#include <net/ipv6.h> | |
| -#include <net/route.h> | |
| -#include <net/tcp.h> | |
| - | |
| -#include <linux/netfilter_ipv4/ip_tables.h> | |
| -#include <linux/netfilter_ipv6/ip6_tables.h> | |
| -#include <linux/netfilter/x_tables.h> | |
| -#include <linux/netfilter/xt_tcpudp.h> | |
| -#include <linux/netfilter/xt_TCPMSS.h> | |
| - | |
| -MODULE_LICENSE("GPL"); | |
| -MODULE_AUTHOR("Marc Boucher <[email protected]>"); | |
| -MODULE_DESCRIPTION("Xtables: TCP Maximum Segment Size (MSS) adjustment"); | |
| -MODULE_ALIAS("ipt_TCPMSS"); | |
| -MODULE_ALIAS("ip6t_TCPMSS"); | |
| - | |
| -static inline unsigned int | |
| -optlen(const u_int8_t *opt, unsigned int offset) | |
| -{ | |
| - /* Beware zero-length options: make finite progress */ | |
| - if (opt[offset] <= TCPOPT_NOP || opt[offset+1] == 0) | |
| - return 1; | |
| - else | |
| - return opt[offset+1]; | |
| -} | |
| - | |
| -static u_int32_t tcpmss_reverse_mtu(struct net *net, | |
| - const struct sk_buff *skb, | |
| - unsigned int family) | |
| -{ | |
| - struct flowi fl; | |
| - const struct nf_afinfo *ai; | |
| - struct rtable *rt = NULL; | |
| - u_int32_t mtu = ~0U; | |
| - | |
| - if (family == PF_INET) { | |
| - struct flowi4 *fl4 = &fl.u.ip4; | |
| - memset(fl4, 0, sizeof(*fl4)); | |
| - fl4->daddr = ip_hdr(skb)->saddr; | |
| - } else { | |
| - struct flowi6 *fl6 = &fl.u.ip6; | |
| - | |
| - memset(fl6, 0, sizeof(*fl6)); | |
| - fl6->daddr = ipv6_hdr(skb)->saddr; | |
| - } | |
| - rcu_read_lock(); | |
| - ai = nf_get_afinfo(family); | |
| - if (ai != NULL) | |
| - ai->route(net, (struct dst_entry **)&rt, &fl, false); | |
| - rcu_read_unlock(); | |
| - | |
| - if (rt != NULL) { | |
| - mtu = dst_mtu(&rt->dst); | |
| - dst_release(&rt->dst); | |
| - } | |
| - return mtu; | |
| -} | |
| - | |
| -static int | |
| -tcpmss_mangle_packet(struct sk_buff *skb, | |
| - const struct xt_action_param *par, | |
| - unsigned int family, | |
| - unsigned int tcphoff, | |
| - unsigned int minlen) | |
| -{ | |
| - const struct xt_tcpmss_info *info = par->targinfo; | |
| - struct tcphdr *tcph; | |
| - int len, tcp_hdrlen; | |
| - unsigned int i; | |
| - __be16 oldval; | |
| - u16 newmss; | |
| - u8 *opt; | |
| - | |
| - /* This is a fragment, no TCP header is available */ | |
| - if (par->fragoff != 0) | |
| - return 0; | |
| - | |
| - if (!skb_make_writable(skb, skb->len)) | |
| - return -1; | |
| - | |
| - len = skb->len - tcphoff; | |
| - if (len < (int)sizeof(struct tcphdr)) | |
| - return -1; | |
| - | |
| - tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); | |
| - tcp_hdrlen = tcph->doff * 4; | |
| - | |
| - if (len < tcp_hdrlen) | |
| - return -1; | |
| - | |
| - if (info->mss == XT_TCPMSS_CLAMP_PMTU) { | |
| - struct net *net = dev_net(par->in ? par->in : par->out); | |
| - unsigned int in_mtu = tcpmss_reverse_mtu(net, skb, family); | |
| - | |
| - if (dst_mtu(skb_dst(skb)) <= minlen) { | |
| - net_err_ratelimited("unknown or invalid path-MTU (%u)\n", | |
| - dst_mtu(skb_dst(skb))); | |
| - return -1; | |
| - } | |
| - if (in_mtu <= minlen) { | |
| - net_err_ratelimited("unknown or invalid path-MTU (%u)\n", | |
| - in_mtu); | |
| - return -1; | |
| - } | |
| - newmss = min(dst_mtu(skb_dst(skb)), in_mtu) - minlen; | |
| - } else | |
| - newmss = info->mss; | |
| - | |
| - opt = (u_int8_t *)tcph; | |
| - for (i = sizeof(struct tcphdr); i <= tcp_hdrlen - TCPOLEN_MSS; i += optlen(opt, i)) { | |
| - if (opt[i] == TCPOPT_MSS && opt[i+1] == TCPOLEN_MSS) { | |
| - u_int16_t oldmss; | |
| - | |
| - oldmss = (opt[i+2] << 8) | opt[i+3]; | |
| - | |
| - /* Never increase MSS, even when setting it, as | |
| - * doing so results in problems for hosts that rely | |
| - * on MSS being set correctly. | |
| - */ | |
| - if (oldmss <= newmss) | |
| - return 0; | |
| - | |
| - opt[i+2] = (newmss & 0xff00) >> 8; | |
| - opt[i+3] = newmss & 0x00ff; | |
| - | |
| - inet_proto_csum_replace2(&tcph->check, skb, | |
| - htons(oldmss), htons(newmss), | |
| - 0); | |
| - return 0; | |
| - } | |
| - } | |
| - | |
| - /* There is data after the header so the option can't be added | |
| - * without moving it, and doing so may make the SYN packet | |
| - * itself too large. Accept the packet unmodified instead. | |
| - */ | |
| - if (len > tcp_hdrlen) | |
| - return 0; | |
| - | |
| - /* | |
| - * MSS Option not found ?! add it.. | |
| - */ | |
| - if (skb_tailroom(skb) < TCPOLEN_MSS) { | |
| - if (pskb_expand_head(skb, 0, | |
| - TCPOLEN_MSS - skb_tailroom(skb), | |
| - GFP_ATOMIC)) | |
| - return -1; | |
| - tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); | |
| - } | |
| - | |
| - skb_put(skb, TCPOLEN_MSS); | |
| - | |
| - /* | |
| - * IPv4: RFC 1122 states "If an MSS option is not received at | |
| - * connection setup, TCP MUST assume a default send MSS of 536". | |
| - * IPv6: RFC 2460 states IPv6 has a minimum MTU of 1280 and a minimum | |
| - * length IPv6 header of 60, ergo the default MSS value is 1220 | |
| - * Since no MSS was provided, we must use the default values | |
| - */ | |
| - if (par->family == NFPROTO_IPV4) | |
| - newmss = min(newmss, (u16)536); | |
| - else | |
| - newmss = min(newmss, (u16)1220); | |
| - | |
| - opt = (u_int8_t *)tcph + sizeof(struct tcphdr); | |
| - memmove(opt + TCPOLEN_MSS, opt, len - sizeof(struct tcphdr)); | |
| - | |
| - inet_proto_csum_replace2(&tcph->check, skb, | |
| - htons(len), htons(len + TCPOLEN_MSS), 1); | |
| - opt[0] = TCPOPT_MSS; | |
| - opt[1] = TCPOLEN_MSS; | |
| - opt[2] = (newmss & 0xff00) >> 8; | |
| - opt[3] = newmss & 0x00ff; | |
| - | |
| - inet_proto_csum_replace4(&tcph->check, skb, 0, *((__be32 *)opt), 0); | |
| - | |
| - oldval = ((__be16 *)tcph)[6]; | |
| - tcph->doff += TCPOLEN_MSS/4; | |
| - inet_proto_csum_replace2(&tcph->check, skb, | |
| - oldval, ((__be16 *)tcph)[6], 0); | |
| - return TCPOLEN_MSS; | |
| -} | |
| - | |
| -static unsigned int | |
| -tcpmss_tg4(struct sk_buff *skb, const struct xt_action_param *par) | |
| -{ | |
| - struct iphdr *iph = ip_hdr(skb); | |
| - __be16 newlen; | |
| - int ret; | |
| - | |
| - ret = tcpmss_mangle_packet(skb, par, | |
| - PF_INET, | |
| - iph->ihl * 4, | |
| - sizeof(*iph) + sizeof(struct tcphdr)); | |
| - if (ret < 0) | |
| - return NF_DROP; | |
| - if (ret > 0) { | |
| - iph = ip_hdr(skb); | |
| - newlen = htons(ntohs(iph->tot_len) + ret); | |
| - csum_replace2(&iph->check, iph->tot_len, newlen); | |
| - iph->tot_len = newlen; | |
| - } | |
| - return XT_CONTINUE; | |
| -} | |
| - | |
| -#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) | |
| -static unsigned int | |
| -tcpmss_tg6(struct sk_buff *skb, const struct xt_action_param *par) | |
| -{ | |
| - struct ipv6hdr *ipv6h = ipv6_hdr(skb); | |
| - u8 nexthdr; | |
| - __be16 frag_off; | |
| - int tcphoff; | |
| - int ret; | |
| - | |
| - nexthdr = ipv6h->nexthdr; | |
| - tcphoff = ipv6_skip_exthdr(skb, sizeof(*ipv6h), &nexthdr, &frag_off); | |
| - if (tcphoff < 0) | |
| - return NF_DROP; | |
| - ret = tcpmss_mangle_packet(skb, par, | |
| - PF_INET6, | |
| - tcphoff, | |
| - sizeof(*ipv6h) + sizeof(struct tcphdr)); | |
| - if (ret < 0) | |
| - return NF_DROP; | |
| - if (ret > 0) { | |
| - ipv6h = ipv6_hdr(skb); | |
| - ipv6h->payload_len = htons(ntohs(ipv6h->payload_len) + ret); | |
| - } | |
| - return XT_CONTINUE; | |
| -} | |
| -#endif | |
| - | |
| -/* Must specify -p tcp --syn */ | |
| -static inline bool find_syn_match(const struct xt_entry_match *m) | |
| -{ | |
| - const struct xt_tcp *tcpinfo = (const struct xt_tcp *)m->data; | |
| - | |
| - if (strcmp(m->u.kernel.match->name, "tcp") == 0 && | |
| - tcpinfo->flg_cmp & TCPHDR_SYN && | |
| - !(tcpinfo->invflags & XT_TCP_INV_FLAGS)) | |
| - return true; | |
| - | |
| - return false; | |
| -} | |
| - | |
| -static int tcpmss_tg4_check(const struct xt_tgchk_param *par) | |
| -{ | |
| - const struct xt_tcpmss_info *info = par->targinfo; | |
| - const struct ipt_entry *e = par->entryinfo; | |
| - const struct xt_entry_match *ematch; | |
| - | |
| - if (info->mss == XT_TCPMSS_CLAMP_PMTU && | |
| - (par->hook_mask & ~((1 << NF_INET_FORWARD) | | |
| - (1 << NF_INET_LOCAL_OUT) | | |
| - (1 << NF_INET_POST_ROUTING))) != 0) { | |
| - pr_info("path-MTU clamping only supported in " | |
| - "FORWARD, OUTPUT and POSTROUTING hooks\n"); | |
| - return -EINVAL; | |
| - } | |
| - xt_ematch_foreach(ematch, e) | |
| - if (find_syn_match(ematch)) | |
| - return 0; | |
| - pr_info("Only works on TCP SYN packets\n"); | |
| - return -EINVAL; | |
| -} | |
| - | |
| -#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) | |
| -static int tcpmss_tg6_check(const struct xt_tgchk_param *par) | |
| -{ | |
| - const struct xt_tcpmss_info *info = par->targinfo; | |
| - const struct ip6t_entry *e = par->entryinfo; | |
| - const struct xt_entry_match *ematch; | |
| - | |
| - if (info->mss == XT_TCPMSS_CLAMP_PMTU && | |
| - (par->hook_mask & ~((1 << NF_INET_FORWARD) | | |
| - (1 << NF_INET_LOCAL_OUT) | | |
| - (1 << NF_INET_POST_ROUTING))) != 0) { | |
| - pr_info("path-MTU clamping only supported in " | |
| - "FORWARD, OUTPUT and POSTROUTING hooks\n"); | |
| - return -EINVAL; | |
| - } | |
| - xt_ematch_foreach(ematch, e) | |
| - if (find_syn_match(ematch)) | |
| - return 0; | |
| - pr_info("Only works on TCP SYN packets\n"); | |
| - return -EINVAL; | |
| -} | |
| -#endif | |
| - | |
| -static struct xt_target tcpmss_tg_reg[] __read_mostly = { | |
| - { | |
| - .family = NFPROTO_IPV4, | |
| - .name = "TCPMSS", | |
| - .checkentry = tcpmss_tg4_check, | |
| - .target = tcpmss_tg4, | |
| - .targetsize = sizeof(struct xt_tcpmss_info), | |
| - .proto = IPPROTO_TCP, | |
| - .me = THIS_MODULE, | |
| - }, | |
| -#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) | |
| - { | |
| - .family = NFPROTO_IPV6, | |
| - .name = "TCPMSS", | |
| - .checkentry = tcpmss_tg6_check, | |
| - .target = tcpmss_tg6, | |
| - .targetsize = sizeof(struct xt_tcpmss_info), | |
| - .proto = IPPROTO_TCP, | |
| - .me = THIS_MODULE, | |
| - }, | |
| -#endif | |
| -}; | |
| - | |
| -static int __init tcpmss_tg_init(void) | |
| -{ | |
| - return xt_register_targets(tcpmss_tg_reg, ARRAY_SIZE(tcpmss_tg_reg)); | |
| -} | |
| - | |
| -static void __exit tcpmss_tg_exit(void) | |
| -{ | |
| - xt_unregister_targets(tcpmss_tg_reg, ARRAY_SIZE(tcpmss_tg_reg)); | |
| -} | |
| - | |
| -module_init(tcpmss_tg_init); | |
| -module_exit(tcpmss_tg_exit); | |
| diff --git a/kernel-2021/net/netfilter/xt_dscp.c b/kernel-2021/net/netfilter/xt_dscp.c | |
| new file mode 100644 | |
| index 0000000..64670fc | |
| --- /dev/null | |
| +++ b/kernel-2021/net/netfilter/xt_dscp.c | |
| @@ -0,0 +1,115 @@ | |
| +/* IP tables module for matching the value of the IPv4/IPv6 DSCP field | |
| + * | |
| + * (C) 2002 by Harald Welte <[email protected]> | |
| + * | |
| + * This program is free software; you can redistribute it and/or modify | |
| + * it under the terms of the GNU General Public License version 2 as | |
| + * published by the Free Software Foundation. | |
| + */ | |
| +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
| +#include <linux/module.h> | |
| +#include <linux/skbuff.h> | |
| +#include <linux/ip.h> | |
| +#include <linux/ipv6.h> | |
| +#include <net/dsfield.h> | |
| + | |
| +#include <linux/netfilter/x_tables.h> | |
| +#include <linux/netfilter/xt_dscp.h> | |
| + | |
| +MODULE_AUTHOR("Harald Welte <[email protected]>"); | |
| +MODULE_DESCRIPTION("Xtables: DSCP/TOS field match"); | |
| +MODULE_LICENSE("GPL"); | |
| +MODULE_ALIAS("ipt_dscp"); | |
| +MODULE_ALIAS("ip6t_dscp"); | |
| +MODULE_ALIAS("ipt_tos"); | |
| +MODULE_ALIAS("ip6t_tos"); | |
| + | |
| +static bool | |
| +dscp_mt(const struct sk_buff *skb, struct xt_action_param *par) | |
| +{ | |
| + const struct xt_dscp_info *info = par->matchinfo; | |
| + u_int8_t dscp = ipv4_get_dsfield(ip_hdr(skb)) >> XT_DSCP_SHIFT; | |
| + | |
| + return (dscp == info->dscp) ^ !!info->invert; | |
| +} | |
| + | |
| +static bool | |
| +dscp_mt6(const struct sk_buff *skb, struct xt_action_param *par) | |
| +{ | |
| + const struct xt_dscp_info *info = par->matchinfo; | |
| + u_int8_t dscp = ipv6_get_dsfield(ipv6_hdr(skb)) >> XT_DSCP_SHIFT; | |
| + | |
| + return (dscp == info->dscp) ^ !!info->invert; | |
| +} | |
| + | |
| +static int dscp_mt_check(const struct xt_mtchk_param *par) | |
| +{ | |
| + const struct xt_dscp_info *info = par->matchinfo; | |
| + | |
| + if (info->dscp > XT_DSCP_MAX) { | |
| + pr_info("dscp %x out of range\n", info->dscp); | |
| + return -EDOM; | |
| + } | |
| + | |
| + return 0; | |
| +} | |
| + | |
| +static bool tos_mt(const struct sk_buff *skb, struct xt_action_param *par) | |
| +{ | |
| + const struct xt_tos_match_info *info = par->matchinfo; | |
| + | |
| + if (par->family == NFPROTO_IPV4) | |
| + return ((ip_hdr(skb)->tos & info->tos_mask) == | |
| + info->tos_value) ^ !!info->invert; | |
| + else | |
| + return ((ipv6_get_dsfield(ipv6_hdr(skb)) & info->tos_mask) == | |
| + info->tos_value) ^ !!info->invert; | |
| +} | |
| + | |
| +static struct xt_match dscp_mt_reg[] __read_mostly = { | |
| + { | |
| + .name = "dscp", | |
| + .family = NFPROTO_IPV4, | |
| + .checkentry = dscp_mt_check, | |
| + .match = dscp_mt, | |
| + .matchsize = sizeof(struct xt_dscp_info), | |
| + .me = THIS_MODULE, | |
| + }, | |
| + { | |
| + .name = "dscp", | |
| + .family = NFPROTO_IPV6, | |
| + .checkentry = dscp_mt_check, | |
| + .match = dscp_mt6, | |
| + .matchsize = sizeof(struct xt_dscp_info), | |
| + .me = THIS_MODULE, | |
| + }, | |
| + { | |
| + .name = "tos", | |
| + .revision = 1, | |
| + .family = NFPROTO_IPV4, | |
| + .match = tos_mt, | |
| + .matchsize = sizeof(struct xt_tos_match_info), | |
| + .me = THIS_MODULE, | |
| + }, | |
| + { | |
| + .name = "tos", | |
| + .revision = 1, | |
| + .family = NFPROTO_IPV6, | |
| + .match = tos_mt, | |
| + .matchsize = sizeof(struct xt_tos_match_info), | |
| + .me = THIS_MODULE, | |
| + }, | |
| +}; | |
| + | |
| +static int __init dscp_mt_init(void) | |
| +{ | |
| + return xt_register_matches(dscp_mt_reg, ARRAY_SIZE(dscp_mt_reg)); | |
| +} | |
| + | |
| +static void __exit dscp_mt_exit(void) | |
| +{ | |
| + xt_unregister_matches(dscp_mt_reg, ARRAY_SIZE(dscp_mt_reg)); | |
| +} | |
| + | |
| +module_init(dscp_mt_init); | |
| +module_exit(dscp_mt_exit); | |
| diff --git a/kernel-2021/net/netfilter/xt_hl.c b/kernel-2021/net/netfilter/xt_hl.c | |
| new file mode 100644 | |
| index 0000000..0039511 | |
| --- /dev/null | |
| +++ b/kernel-2021/net/netfilter/xt_hl.c | |
| @@ -0,0 +1,96 @@ | |
| +/* | |
| + * IP tables module for matching the value of the TTL | |
| + * (C) 2000,2001 by Harald Welte <[email protected]> | |
| + * | |
| + * Hop Limit matching module | |
| + * (C) 2001-2002 Maciej Soltysiak <[email protected]> | |
| + * | |
| + * This program is free software; you can redistribute it and/or modify | |
| + * it under the terms of the GNU General Public License version 2 as | |
| + * published by the Free Software Foundation. | |
| + */ | |
| + | |
| +#include <linux/ip.h> | |
| +#include <linux/ipv6.h> | |
| +#include <linux/module.h> | |
| +#include <linux/skbuff.h> | |
| + | |
| +#include <linux/netfilter/x_tables.h> | |
| +#include <linux/netfilter_ipv4/ipt_ttl.h> | |
| +#include <linux/netfilter_ipv6/ip6t_hl.h> | |
| + | |
| +MODULE_AUTHOR("Maciej Soltysiak <[email protected]>"); | |
| +MODULE_DESCRIPTION("Xtables: Hoplimit/TTL field match"); | |
| +MODULE_LICENSE("GPL"); | |
| +MODULE_ALIAS("ipt_ttl"); | |
| +MODULE_ALIAS("ip6t_hl"); | |
| + | |
| +static bool ttl_mt(const struct sk_buff *skb, struct xt_action_param *par) | |
| +{ | |
| + const struct ipt_ttl_info *info = par->matchinfo; | |
| + const u8 ttl = ip_hdr(skb)->ttl; | |
| + | |
| + switch (info->mode) { | |
| + case IPT_TTL_EQ: | |
| + return ttl == info->ttl; | |
| + case IPT_TTL_NE: | |
| + return ttl != info->ttl; | |
| + case IPT_TTL_LT: | |
| + return ttl < info->ttl; | |
| + case IPT_TTL_GT: | |
| + return ttl > info->ttl; | |
| + } | |
| + | |
| + return false; | |
| +} | |
| + | |
| +static bool hl_mt6(const struct sk_buff *skb, struct xt_action_param *par) | |
| +{ | |
| + const struct ip6t_hl_info *info = par->matchinfo; | |
| + const struct ipv6hdr *ip6h = ipv6_hdr(skb); | |
| + | |
| + switch (info->mode) { | |
| + case IP6T_HL_EQ: | |
| + return ip6h->hop_limit == info->hop_limit; | |
| + case IP6T_HL_NE: | |
| + return ip6h->hop_limit != info->hop_limit; | |
| + case IP6T_HL_LT: | |
| + return ip6h->hop_limit < info->hop_limit; | |
| + case IP6T_HL_GT: | |
| + return ip6h->hop_limit > info->hop_limit; | |
| + } | |
| + | |
| + return false; | |
| +} | |
| + | |
| +static struct xt_match hl_mt_reg[] __read_mostly = { | |
| + { | |
| + .name = "ttl", | |
| + .revision = 0, | |
| + .family = NFPROTO_IPV4, | |
| + .match = ttl_mt, | |
| + .matchsize = sizeof(struct ipt_ttl_info), | |
| + .me = THIS_MODULE, | |
| + }, | |
| + { | |
| + .name = "hl", | |
| + .revision = 0, | |
| + .family = NFPROTO_IPV6, | |
| + .match = hl_mt6, | |
| + .matchsize = sizeof(struct ip6t_hl_info), | |
| + .me = THIS_MODULE, | |
| + }, | |
| +}; | |
| + | |
| +static int __init hl_mt_init(void) | |
| +{ | |
| + return xt_register_matches(hl_mt_reg, ARRAY_SIZE(hl_mt_reg)); | |
| +} | |
| + | |
| +static void __exit hl_mt_exit(void) | |
| +{ | |
| + xt_unregister_matches(hl_mt_reg, ARRAY_SIZE(hl_mt_reg)); | |
| +} | |
| + | |
| +module_init(hl_mt_init); | |
| +module_exit(hl_mt_exit); | |
| diff --git a/kernel-2021/net/netfilter/xt_rateest.c b/kernel-2021/net/netfilter/xt_rateest.c | |
| new file mode 100644 | |
| index 0000000..7720b03 | |
| --- /dev/null | |
| +++ b/kernel-2021/net/netfilter/xt_rateest.c | |
| @@ -0,0 +1,157 @@ | |
| +/* | |
| + * (C) 2007 Patrick McHardy <[email protected]> | |
| + * | |
| + * This program is free software; you can redistribute it and/or modify | |
| + * it under the terms of the GNU General Public License version 2 as | |
| + * published by the Free Software Foundation. | |
| + */ | |
| +#include <linux/module.h> | |
| +#include <linux/skbuff.h> | |
| +#include <linux/gen_stats.h> | |
| + | |
| +#include <linux/netfilter/x_tables.h> | |
| +#include <linux/netfilter/xt_rateest.h> | |
| +#include <net/netfilter/xt_rateest.h> | |
| + | |
| + | |
| +static bool | |
| +xt_rateest_mt(const struct sk_buff *skb, struct xt_action_param *par) | |
| +{ | |
| + const struct xt_rateest_match_info *info = par->matchinfo; | |
| + struct gnet_stats_rate_est64 *r; | |
| + u_int32_t bps1, bps2, pps1, pps2; | |
| + bool ret = true; | |
| + | |
| + spin_lock_bh(&info->est1->lock); | |
| + r = &info->est1->rstats; | |
| + if (info->flags & XT_RATEEST_MATCH_DELTA) { | |
| + bps1 = info->bps1 >= r->bps ? info->bps1 - r->bps : 0; | |
| + pps1 = info->pps1 >= r->pps ? info->pps1 - r->pps : 0; | |
| + } else { | |
| + bps1 = r->bps; | |
| + pps1 = r->pps; | |
| + } | |
| + spin_unlock_bh(&info->est1->lock); | |
| + | |
| + if (info->flags & XT_RATEEST_MATCH_ABS) { | |
| + bps2 = info->bps2; | |
| + pps2 = info->pps2; | |
| + } else { | |
| + spin_lock_bh(&info->est2->lock); | |
| + r = &info->est2->rstats; | |
| + if (info->flags & XT_RATEEST_MATCH_DELTA) { | |
| + bps2 = info->bps2 >= r->bps ? info->bps2 - r->bps : 0; | |
| + pps2 = info->pps2 >= r->pps ? info->pps2 - r->pps : 0; | |
| + } else { | |
| + bps2 = r->bps; | |
| + pps2 = r->pps; | |
| + } | |
| + spin_unlock_bh(&info->est2->lock); | |
| + } | |
| + | |
| + switch (info->mode) { | |
| + case XT_RATEEST_MATCH_LT: | |
| + if (info->flags & XT_RATEEST_MATCH_BPS) | |
| + ret &= bps1 < bps2; | |
| + if (info->flags & XT_RATEEST_MATCH_PPS) | |
| + ret &= pps1 < pps2; | |
| + break; | |
| + case XT_RATEEST_MATCH_GT: | |
| + if (info->flags & XT_RATEEST_MATCH_BPS) | |
| + ret &= bps1 > bps2; | |
| + if (info->flags & XT_RATEEST_MATCH_PPS) | |
| + ret &= pps1 > pps2; | |
| + break; | |
| + case XT_RATEEST_MATCH_EQ: | |
| + if (info->flags & XT_RATEEST_MATCH_BPS) | |
| + ret &= bps1 == bps2; | |
| + if (info->flags & XT_RATEEST_MATCH_PPS) | |
| + ret &= pps1 == pps2; | |
| + break; | |
| + } | |
| + | |
| + ret ^= info->flags & XT_RATEEST_MATCH_INVERT ? true : false; | |
| + return ret; | |
| +} | |
| + | |
| +static int xt_rateest_mt_checkentry(const struct xt_mtchk_param *par) | |
| +{ | |
| + struct xt_rateest_match_info *info = par->matchinfo; | |
| + struct xt_rateest *est1, *est2; | |
| + int ret = -EINVAL; | |
| + | |
| + if (hweight32(info->flags & (XT_RATEEST_MATCH_ABS | | |
| + XT_RATEEST_MATCH_REL)) != 1) | |
| + goto err1; | |
| + | |
| + if (!(info->flags & (XT_RATEEST_MATCH_BPS | XT_RATEEST_MATCH_PPS))) | |
| + goto err1; | |
| + | |
| + switch (info->mode) { | |
| + case XT_RATEEST_MATCH_EQ: | |
| + case XT_RATEEST_MATCH_LT: | |
| + case XT_RATEEST_MATCH_GT: | |
| + break; | |
| + default: | |
| + goto err1; | |
| + } | |
| + | |
| + ret = -ENOENT; | |
| + est1 = xt_rateest_lookup(info->name1); | |
| + if (!est1) | |
| + goto err1; | |
| + | |
| + est2 = NULL; | |
| + if (info->flags & XT_RATEEST_MATCH_REL) { | |
| + est2 = xt_rateest_lookup(info->name2); | |
| + if (!est2) | |
| + goto err2; | |
| + } | |
| + | |
| + info->est1 = est1; | |
| + info->est2 = est2; | |
| + return 0; | |
| + | |
| +err2: | |
| + xt_rateest_put(est1); | |
| +err1: | |
| + return ret; | |
| +} | |
| + | |
| +static void xt_rateest_mt_destroy(const struct xt_mtdtor_param *par) | |
| +{ | |
| + struct xt_rateest_match_info *info = par->matchinfo; | |
| + | |
| + xt_rateest_put(info->est1); | |
| + if (info->est2) | |
| + xt_rateest_put(info->est2); | |
| +} | |
| + | |
| +static struct xt_match xt_rateest_mt_reg __read_mostly = { | |
| + .name = "rateest", | |
| + .revision = 0, | |
| + .family = NFPROTO_UNSPEC, | |
| + .match = xt_rateest_mt, | |
| + .checkentry = xt_rateest_mt_checkentry, | |
| + .destroy = xt_rateest_mt_destroy, | |
| + .matchsize = sizeof(struct xt_rateest_match_info), | |
| + .me = THIS_MODULE, | |
| +}; | |
| + | |
| +static int __init xt_rateest_mt_init(void) | |
| +{ | |
| + return xt_register_match(&xt_rateest_mt_reg); | |
| +} | |
| + | |
| +static void __exit xt_rateest_mt_fini(void) | |
| +{ | |
| + xt_unregister_match(&xt_rateest_mt_reg); | |
| +} | |
| + | |
| +MODULE_AUTHOR("Patrick McHardy <[email protected]>"); | |
| +MODULE_LICENSE("GPL"); | |
| +MODULE_DESCRIPTION("xtables rate estimator match"); | |
| +MODULE_ALIAS("ipt_rateest"); | |
| +MODULE_ALIAS("ip6t_rateest"); | |
| +module_init(xt_rateest_mt_init); | |
| +module_exit(xt_rateest_mt_fini); | |
| diff --git a/kernel-2021/net/netfilter/xt_tcpmss.c b/kernel-2021/net/netfilter/xt_tcpmss.c | |
| new file mode 100644 | |
| index 0000000..c53d4d1 | |
| --- /dev/null | |
| +++ b/kernel-2021/net/netfilter/xt_tcpmss.c | |
| @@ -0,0 +1,110 @@ | |
| +/* Kernel module to match TCP MSS values. */ | |
| + | |
| +/* Copyright (C) 2000 Marc Boucher <[email protected]> | |
| + * Portions (C) 2005 by Harald Welte <[email protected]> | |
| + * | |
| + * This program is free software; you can redistribute it and/or modify | |
| + * it under the terms of the GNU General Public License version 2 as | |
| + * published by the Free Software Foundation. | |
| + */ | |
| + | |
| +#include <linux/module.h> | |
| +#include <linux/skbuff.h> | |
| +#include <net/tcp.h> | |
| + | |
| +#include <linux/netfilter/xt_tcpmss.h> | |
| +#include <linux/netfilter/x_tables.h> | |
| + | |
| +#include <linux/netfilter_ipv4/ip_tables.h> | |
| +#include <linux/netfilter_ipv6/ip6_tables.h> | |
| + | |
| +MODULE_LICENSE("GPL"); | |
| +MODULE_AUTHOR("Marc Boucher <[email protected]>"); | |
| +MODULE_DESCRIPTION("Xtables: TCP MSS match"); | |
| +MODULE_ALIAS("ipt_tcpmss"); | |
| +MODULE_ALIAS("ip6t_tcpmss"); | |
| + | |
| +static bool | |
| +tcpmss_mt(const struct sk_buff *skb, struct xt_action_param *par) | |
| +{ | |
| + const struct xt_tcpmss_match_info *info = par->matchinfo; | |
| + const struct tcphdr *th; | |
| + struct tcphdr _tcph; | |
| + /* tcp.doff is only 4 bits, ie. max 15 * 4 bytes */ | |
| + const u_int8_t *op; | |
| + u8 _opt[15 * 4 - sizeof(_tcph)]; | |
| + unsigned int i, optlen; | |
| + | |
| + /* If we don't have the whole header, drop packet. */ | |
| + th = skb_header_pointer(skb, par->thoff, sizeof(_tcph), &_tcph); | |
| + if (th == NULL) | |
| + goto dropit; | |
| + | |
| + /* Malformed. */ | |
| + if (th->doff*4 < sizeof(*th)) | |
| + goto dropit; | |
| + | |
| + optlen = th->doff*4 - sizeof(*th); | |
| + if (!optlen) | |
| + goto out; | |
| + | |
| + /* Truncated options. */ | |
| + op = skb_header_pointer(skb, par->thoff + sizeof(*th), optlen, _opt); | |
| + if (op == NULL) | |
| + goto dropit; | |
| + | |
| + for (i = 0; i < optlen; ) { | |
| + if (op[i] == TCPOPT_MSS | |
| + && (optlen - i) >= TCPOLEN_MSS | |
| + && op[i+1] == TCPOLEN_MSS) { | |
| + u_int16_t mssval; | |
| + | |
| + mssval = (op[i+2] << 8) | op[i+3]; | |
| + | |
| + return (mssval >= info->mss_min && | |
| + mssval <= info->mss_max) ^ info->invert; | |
| + } | |
| + if (op[i] < 2) | |
| + i++; | |
| + else | |
| + i += op[i+1] ? : 1; | |
| + } | |
| +out: | |
| + return info->invert; | |
| + | |
| +dropit: | |
| + par->hotdrop = true; | |
| + return false; | |
| +} | |
| + | |
| +static struct xt_match tcpmss_mt_reg[] __read_mostly = { | |
| + { | |
| + .name = "tcpmss", | |
| + .family = NFPROTO_IPV4, | |
| + .match = tcpmss_mt, | |
| + .matchsize = sizeof(struct xt_tcpmss_match_info), | |
| + .proto = IPPROTO_TCP, | |
| + .me = THIS_MODULE, | |
| + }, | |
| + { | |
| + .name = "tcpmss", | |
| + .family = NFPROTO_IPV6, | |
| + .match = tcpmss_mt, | |
| + .matchsize = sizeof(struct xt_tcpmss_match_info), | |
| + .proto = IPPROTO_TCP, | |
| + .me = THIS_MODULE, | |
| + }, | |
| +}; | |
| + | |
| +static int __init tcpmss_mt_init(void) | |
| +{ | |
| + return xt_register_matches(tcpmss_mt_reg, ARRAY_SIZE(tcpmss_mt_reg)); | |
| +} | |
| + | |
| +static void __exit tcpmss_mt_exit(void) | |
| +{ | |
| + xt_unregister_matches(tcpmss_mt_reg, ARRAY_SIZE(tcpmss_mt_reg)); | |
| +} | |
| + | |
| +module_init(tcpmss_mt_init); | |
| +module_exit(tcpmss_mt_exit); |
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