/******************************************************************************
*
- * Copyright(c) 2008-2009 Intel Corporation. All rights reserved.
+ * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
#include "iwl-helpers.h"
#include "iwl-5000-hw.h"
#include "iwl-6000-hw.h"
+#include "iwl-agn-led.h"
/* Highest firmware API version supported */
#define IWL6000_UCODE_API_MAX 4
#define IWL6050_UCODE_API_MAX 4
/* Lowest firmware API version supported */
-#define IWL6000_UCODE_API_MIN 1
-#define IWL6050_UCODE_API_MIN 1
+#define IWL6000_UCODE_API_MIN 4
+#define IWL6050_UCODE_API_MIN 4
#define IWL6000_FW_PRE "iwlwifi-6000-"
#define _IWL6000_MODULE_FIRMWARE(api) IWL6000_FW_PRE #api ".ucode"
priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
}
+/* Indicate calibration version to uCode. */
+static void iwl6050_set_calib_version(struct iwl_priv *priv)
+{
+ if (priv->cfg->ops->lib->eeprom_ops.calib_version(priv) >= 6)
+ iwl_set_bit(priv, CSR_GP_DRIVER_REG,
+ CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
+}
+
/* NIC configuration for 6000 series */
static void iwl6000_nic_config(struct iwl_priv *priv)
{
CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
/* no locking required for register write */
- if (priv->cfg->pa_type == IWL_PA_HYBRID) {
- /* 2x2 hybrid phy type */
- iwl_write32(priv, CSR_GP_DRIVER_REG,
- CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB);
- } else if (priv->cfg->pa_type == IWL_PA_INTERNAL) {
+ if (priv->cfg->pa_type == IWL_PA_INTERNAL) {
/* 2x2 IPA phy type */
iwl_write32(priv, CSR_GP_DRIVER_REG,
CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA);
}
/* else do nothing, uCode configured */
+ if (priv->cfg->ops->lib->temp_ops.set_calib_version)
+ priv->cfg->ops->lib->temp_ops.set_calib_version(priv);
}
static struct iwl_sensitivity_ranges iwl6000_sensitivity = {
.auto_corr_max_ofdm = 145,
.auto_corr_max_ofdm_mrc = 232,
- .auto_corr_max_ofdm_x1 = 145,
+ .auto_corr_max_ofdm_x1 = 110,
.auto_corr_max_ofdm_mrc_x1 = 232,
.auto_corr_min_cck = 125,
.auto_corr_max_cck_mrc = 310,
.nrg_th_cck = 97,
.nrg_th_ofdm = 100,
+
+ .barker_corr_th_min = 190,
+ .barker_corr_th_min_mrc = 390,
+ .nrg_th_cca = 62,
};
static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
{
- if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) ||
- (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
- IWL_ERR(priv,
- "invalid queues_num, should be between %d and %d\n",
- IWL_MIN_NUM_QUEUES, IWL50_NUM_QUEUES);
- return -EINVAL;
- }
+ if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
+ priv->cfg->mod_params->num_of_queues <= IWL50_NUM_QUEUES)
+ priv->cfg->num_of_queues =
+ priv->cfg->mod_params->num_of_queues;
- priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
+ priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
priv->hw_params.scd_bc_tbls_size =
- IWL50_NUM_QUEUES * sizeof(struct iwl5000_scd_bc_tbl);
+ priv->cfg->num_of_queues *
+ sizeof(struct iwl5000_scd_bc_tbl);
priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
priv->hw_params.max_stations = IWL5000_STATION_COUNT;
priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
/* Set initial sensitivity parameters */
/* Set initial calibration set */
priv->hw_params.sens = &iwl6000_sensitivity;
- priv->hw_params.calib_init_cfg =
+ switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
+ case CSR_HW_REV_TYPE_6x50:
+ priv->hw_params.calib_init_cfg =
BIT(IWL_CALIB_XTAL) |
+ BIT(IWL_CALIB_DC) |
BIT(IWL_CALIB_LO) |
BIT(IWL_CALIB_TX_IQ) |
- BIT(IWL_CALIB_TX_IQ_PERD) |
BIT(IWL_CALIB_BASE_BAND);
+ break;
+ default:
+ priv->hw_params.calib_init_cfg =
+ BIT(IWL_CALIB_XTAL) |
+ BIT(IWL_CALIB_LO) |
+ BIT(IWL_CALIB_TX_IQ) |
+ BIT(IWL_CALIB_BASE_BAND);
+ break;
+ }
+
return 0;
}
+static int iwl6000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
+{
+ struct iwl6000_channel_switch_cmd cmd;
+ const struct iwl_channel_info *ch_info;
+ struct iwl_host_cmd hcmd = {
+ .id = REPLY_CHANNEL_SWITCH,
+ .len = sizeof(cmd),
+ .flags = CMD_SIZE_HUGE,
+ .data = &cmd,
+ };
+
+ IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
+ priv->active_rxon.channel, channel);
+
+ cmd.band = priv->band == IEEE80211_BAND_2GHZ;
+ cmd.channel = cpu_to_le16(channel);
+ cmd.rxon_flags = priv->staging_rxon.flags;
+ cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
+ cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
+ ch_info = iwl_get_channel_info(priv, priv->band, channel);
+ if (ch_info)
+ cmd.expect_beacon = is_channel_radar(ch_info);
+ else {
+ IWL_ERR(priv, "invalid channel switch from %u to %u\n",
+ priv->active_rxon.channel, channel);
+ return -EFAULT;
+ }
+ priv->switch_rxon.channel = cpu_to_le16(channel);
+ priv->switch_rxon.switch_in_progress = true;
+
+ return iwl_send_cmd_sync(priv, &hcmd);
+}
+
static struct iwl_lib_ops iwl6000_lib = {
.set_hw_params = iwl6000_hw_set_hw_params,
.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
.load_ucode = iwl5000_load_ucode,
.dump_nic_event_log = iwl_dump_nic_event_log,
.dump_nic_error_log = iwl_dump_nic_error_log,
+ .dump_csr = iwl_dump_csr,
+ .dump_fh = iwl_dump_fh,
.init_alive_start = iwl5000_init_alive_start,
.alive_notify = iwl5000_alive_notify,
.send_tx_power = iwl5000_send_tx_power,
.update_chain_flags = iwl_update_chain_flags,
+ .set_channel_switch = iwl6000_hw_channel_switch,
.apm_ops = {
- .init = iwl5000_apm_init,
- .reset = iwl5000_apm_reset,
- .stop = iwl5000_apm_stop,
+ .init = iwl_apm_init,
+ .stop = iwl_apm_stop,
.config = iwl6000_nic_config,
.set_pwr_src = iwl_set_pwr_src,
},
EEPROM_5000_REG_BAND_3_CHANNELS,
EEPROM_5000_REG_BAND_4_CHANNELS,
EEPROM_5000_REG_BAND_5_CHANNELS,
- EEPROM_5000_REG_BAND_24_HT40_CHANNELS,
+ EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
EEPROM_5000_REG_BAND_52_HT40_CHANNELS
},
.verify_signature = iwlcore_eeprom_verify_signature,
.temperature = iwl5000_temperature,
.set_ct_kill = iwl6000_set_ct_threshold,
},
+ .add_bcast_station = iwl_add_bcast_station,
};
-static struct iwl_hcmd_utils_ops iwl6000_hcmd_utils = {
- .get_hcmd_size = iwl5000_get_hcmd_size,
- .build_addsta_hcmd = iwl5000_build_addsta_hcmd,
- .rts_tx_cmd_flag = iwl5000_rts_tx_cmd_flag,
- .calc_rssi = iwl5000_calc_rssi,
-};
-
-static struct iwl_ops iwl6000_ops = {
+static const struct iwl_ops iwl6000_ops = {
.ucode = &iwl5000_ucode,
.lib = &iwl6000_lib,
.hcmd = &iwl5000_hcmd,
- .utils = &iwl6000_hcmd_utils,
+ .utils = &iwl5000_hcmd_utils,
+ .led = &iwlagn_led_ops,
};
+static struct iwl_lib_ops iwl6050_lib = {
+ .set_hw_params = iwl6000_hw_set_hw_params,
+ .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
+ .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl,
+ .txq_set_sched = iwl5000_txq_set_sched,
+ .txq_agg_enable = iwl5000_txq_agg_enable,
+ .txq_agg_disable = iwl5000_txq_agg_disable,
+ .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
+ .txq_free_tfd = iwl_hw_txq_free_tfd,
+ .txq_init = iwl_hw_tx_queue_init,
+ .rx_handler_setup = iwl5000_rx_handler_setup,
+ .setup_deferred_work = iwl5000_setup_deferred_work,
+ .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr,
+ .load_ucode = iwl5000_load_ucode,
+ .dump_nic_event_log = iwl_dump_nic_event_log,
+ .dump_nic_error_log = iwl_dump_nic_error_log,
+ .dump_csr = iwl_dump_csr,
+ .dump_fh = iwl_dump_fh,
+ .init_alive_start = iwl5000_init_alive_start,
+ .alive_notify = iwl5000_alive_notify,
+ .send_tx_power = iwl5000_send_tx_power,
+ .update_chain_flags = iwl_update_chain_flags,
+ .set_channel_switch = iwl6000_hw_channel_switch,
+ .apm_ops = {
+ .init = iwl_apm_init,
+ .stop = iwl_apm_stop,
+ .config = iwl6000_nic_config,
+ .set_pwr_src = iwl_set_pwr_src,
+ },
+ .eeprom_ops = {
+ .regulatory_bands = {
+ EEPROM_5000_REG_BAND_1_CHANNELS,
+ EEPROM_5000_REG_BAND_2_CHANNELS,
+ EEPROM_5000_REG_BAND_3_CHANNELS,
+ EEPROM_5000_REG_BAND_4_CHANNELS,
+ EEPROM_5000_REG_BAND_5_CHANNELS,
+ EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
+ EEPROM_5000_REG_BAND_52_HT40_CHANNELS
+ },
+ .verify_signature = iwlcore_eeprom_verify_signature,
+ .acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
+ .release_semaphore = iwlcore_eeprom_release_semaphore,
+ .calib_version = iwl5000_eeprom_calib_version,
+ .query_addr = iwl5000_eeprom_query_addr,
+ .update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
+ },
+ .post_associate = iwl_post_associate,
+ .isr = iwl_isr_ict,
+ .config_ap = iwl_config_ap,
+ .temp_ops = {
+ .temperature = iwl5000_temperature,
+ .set_ct_kill = iwl6000_set_ct_threshold,
+ .set_calib_version = iwl6050_set_calib_version,
+ },
+ .add_bcast_station = iwl_add_bcast_station,
+};
+
+static const struct iwl_ops iwl6050_ops = {
+ .ucode = &iwl5000_ucode,
+ .lib = &iwl6050_lib,
+ .hcmd = &iwl5000_hcmd,
+ .utils = &iwl5000_hcmd_utils,
+ .led = &iwlagn_led_ops,
+};
/*
- * "h": Hybrid configuration, use both internal and external Power Amplifier
+ * "i": Internal configuration, use internal Power Amplifier
*/
-struct iwl_cfg iwl6000h_2agn_cfg = {
+struct iwl_cfg iwl6000i_2agn_cfg = {
.name = "6000 Series 2x2 AGN",
.fw_name_pre = IWL6000_FW_PRE,
.ucode_api_max = IWL6000_UCODE_API_MAX,
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+ .num_of_queues = IWL50_NUM_QUEUES,
+ .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
.mod_params = &iwl50_mod_params,
- .valid_tx_ant = ANT_AB,
- .valid_rx_ant = ANT_AB,
- .need_pll_cfg = false,
- .pa_type = IWL_PA_HYBRID,
+ .valid_tx_ant = ANT_BC,
+ .valid_rx_ant = ANT_BC,
+ .pll_cfg_val = 0,
+ .set_l0s = true,
+ .use_bsm = false,
+ .pa_type = IWL_PA_INTERNAL,
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,
.ht_greenfield_support = true,
.led_compensation = 51,
.use_rts_for_ht = true, /* use rts/cts protection */
+ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+ .supports_idle = true,
+ .adv_thermal_throttle = true,
+ .support_ct_kill_exit = true,
+ .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+ .chain_noise_scale = 1000,
};
-/*
- * "i": Internal configuration, use internal Power Amplifier
- */
-struct iwl_cfg iwl6000i_2agn_cfg = {
- .name = "6000 Series 2x2 AGN",
+struct iwl_cfg iwl6000i_2abg_cfg = {
+ .name = "6000 Series 2x2 ABG",
.fw_name_pre = IWL6000_FW_PRE,
.ucode_api_max = IWL6000_UCODE_API_MAX,
.ucode_api_min = IWL6000_UCODE_API_MIN,
- .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
+ .sku = IWL_SKU_A|IWL_SKU_G,
.ops = &iwl6000_ops,
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+ .num_of_queues = IWL50_NUM_QUEUES,
+ .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
.mod_params = &iwl50_mod_params,
.valid_tx_ant = ANT_BC,
.valid_rx_ant = ANT_BC,
- .need_pll_cfg = false,
+ .pll_cfg_val = 0,
+ .set_l0s = true,
+ .use_bsm = false,
.pa_type = IWL_PA_INTERNAL,
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,
.ht_greenfield_support = true,
.led_compensation = 51,
- .use_rts_for_ht = true, /* use rts/cts protection */
+ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+ .supports_idle = true,
+ .adv_thermal_throttle = true,
+ .support_ct_kill_exit = true,
+ .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+ .chain_noise_scale = 1000,
+};
+
+struct iwl_cfg iwl6000i_2bg_cfg = {
+ .name = "6000 Series 2x2 BG",
+ .fw_name_pre = IWL6000_FW_PRE,
+ .ucode_api_max = IWL6000_UCODE_API_MAX,
+ .ucode_api_min = IWL6000_UCODE_API_MIN,
+ .sku = IWL_SKU_G,
+ .ops = &iwl6000_ops,
+ .eeprom_size = OTP_LOW_IMAGE_SIZE,
+ .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
+ .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+ .num_of_queues = IWL50_NUM_QUEUES,
+ .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
+ .mod_params = &iwl50_mod_params,
+ .valid_tx_ant = ANT_BC,
+ .valid_rx_ant = ANT_BC,
+ .pll_cfg_val = 0,
+ .set_l0s = true,
+ .use_bsm = false,
+ .pa_type = IWL_PA_INTERNAL,
+ .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+ .shadow_ram_support = true,
+ .ht_greenfield_support = true,
+ .led_compensation = 51,
+ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+ .supports_idle = true,
+ .adv_thermal_throttle = true,
+ .support_ct_kill_exit = true,
+ .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+ .chain_noise_scale = 1000,
};
struct iwl_cfg iwl6050_2agn_cfg = {
.ucode_api_max = IWL6050_UCODE_API_MAX,
.ucode_api_min = IWL6050_UCODE_API_MIN,
.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
- .ops = &iwl6000_ops,
+ .ops = &iwl6050_ops,
.eeprom_size = OTP_LOW_IMAGE_SIZE,
- .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
+ .eeprom_ver = EEPROM_6050_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+ .num_of_queues = IWL50_NUM_QUEUES,
+ .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
.mod_params = &iwl50_mod_params,
.valid_tx_ant = ANT_AB,
.valid_rx_ant = ANT_AB,
- .need_pll_cfg = false,
+ .pll_cfg_val = 0,
+ .set_l0s = true,
+ .use_bsm = false,
.pa_type = IWL_PA_SYSTEM,
- .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+ .max_ll_items = OTP_MAX_LL_ITEMS_6x50,
.shadow_ram_support = true,
.ht_greenfield_support = true,
.led_compensation = 51,
.use_rts_for_ht = true, /* use rts/cts protection */
+ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+ .supports_idle = true,
+ .adv_thermal_throttle = true,
+ .support_ct_kill_exit = true,
+ .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+ .chain_noise_scale = 1500,
};
-struct iwl_cfg iwl6000_3agn_cfg = {
- .name = "6000 Series 3x3 AGN",
- .fw_name_pre = IWL6000_FW_PRE,
- .ucode_api_max = IWL6000_UCODE_API_MAX,
- .ucode_api_min = IWL6000_UCODE_API_MIN,
- .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
- .ops = &iwl6000_ops,
+struct iwl_cfg iwl6050_2abg_cfg = {
+ .name = "6050 Series 2x2 ABG",
+ .fw_name_pre = IWL6050_FW_PRE,
+ .ucode_api_max = IWL6050_UCODE_API_MAX,
+ .ucode_api_min = IWL6050_UCODE_API_MIN,
+ .sku = IWL_SKU_A|IWL_SKU_G,
+ .ops = &iwl6050_ops,
.eeprom_size = OTP_LOW_IMAGE_SIZE,
- .eeprom_ver = EEPROM_6000_EEPROM_VERSION,
+ .eeprom_ver = EEPROM_6050_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+ .num_of_queues = IWL50_NUM_QUEUES,
+ .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
.mod_params = &iwl50_mod_params,
- .valid_tx_ant = ANT_ABC,
- .valid_rx_ant = ANT_ABC,
- .need_pll_cfg = false,
+ .valid_tx_ant = ANT_AB,
+ .valid_rx_ant = ANT_AB,
+ .pll_cfg_val = 0,
+ .set_l0s = true,
+ .use_bsm = false,
.pa_type = IWL_PA_SYSTEM,
- .max_ll_items = OTP_MAX_LL_ITEMS_6x00,
+ .max_ll_items = OTP_MAX_LL_ITEMS_6x50,
.shadow_ram_support = true,
.ht_greenfield_support = true,
.led_compensation = 51,
- .use_rts_for_ht = true, /* use rts/cts protection */
+ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+ .supports_idle = true,
+ .adv_thermal_throttle = true,
+ .support_ct_kill_exit = true,
+ .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+ .chain_noise_scale = 1500,
};
-struct iwl_cfg iwl6050_3agn_cfg = {
- .name = "6050 Series 3x3 AGN",
- .fw_name_pre = IWL6050_FW_PRE,
- .ucode_api_max = IWL6050_UCODE_API_MAX,
- .ucode_api_min = IWL6050_UCODE_API_MIN,
+struct iwl_cfg iwl6000_3agn_cfg = {
+ .name = "6000 Series 3x3 AGN",
+ .fw_name_pre = IWL6000_FW_PRE,
+ .ucode_api_max = IWL6000_UCODE_API_MAX,
+ .ucode_api_min = IWL6000_UCODE_API_MIN,
.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
.ops = &iwl6000_ops,
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
+ .num_of_queues = IWL50_NUM_QUEUES,
+ .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES,
.mod_params = &iwl50_mod_params,
.valid_tx_ant = ANT_ABC,
.valid_rx_ant = ANT_ABC,
- .need_pll_cfg = false,
+ .pll_cfg_val = 0,
+ .set_l0s = true,
+ .use_bsm = false,
.pa_type = IWL_PA_SYSTEM,
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,
.ht_greenfield_support = true,
.led_compensation = 51,
.use_rts_for_ht = true, /* use rts/cts protection */
+ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+ .supports_idle = true,
+ .adv_thermal_throttle = true,
+ .support_ct_kill_exit = true,
+ .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+ .chain_noise_scale = 1000,
};
MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff