diff options
Diffstat (limited to 'drivers/net/wireless/mac80211_hwsim.c')
| -rw-r--r-- | drivers/net/wireless/mac80211_hwsim.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index d8716bed5e4..a15078bcad7 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -30,6 +30,112 @@ static int radios = 2; module_param(radios, int, 0444); MODULE_PARM_DESC(radios, "Number of simulated radios"); +/** + * enum hwsim_regtest - the type of regulatory tests we offer + * + * These are the different values you can use for the regtest + * module parameter. This is useful to help test world roaming + * and the driver regulatory_hint() call and combinations of these. + * If you want to do specific alpha2 regulatory domain tests simply + * use the userspace regulatory request as that will be respected as + * well without the need of this module parameter. This is designed + * only for testing the driver regulatory request, world roaming + * and all possible combinations. + * + * @HWSIM_REGTEST_DISABLED: No regulatory tests are performed, + * this is the default value. + * @HWSIM_REGTEST_DRIVER_REG_FOLLOW: Used for testing the driver regulatory + * hint, only one driver regulatory hint will be sent as such the + * secondary radios are expected to follow. + * @HWSIM_REGTEST_DRIVER_REG_ALL: Used for testing the driver regulatory + * request with all radios reporting the same regulatory domain. + * @HWSIM_REGTEST_DIFF_COUNTRY: Used for testing the drivers calling + * different regulatory domains requests. Expected behaviour is for + * an intersection to occur but each device will still use their + * respective regulatory requested domains. Subsequent radios will + * use the resulting intersection. + * @HWSIM_REGTEST_WORLD_ROAM: Used for testing the world roaming. We acomplish + * this by using a custom beacon-capable regulatory domain for the first + * radio. All other device world roam. + * @HWSIM_REGTEST_CUSTOM_WORLD: Used for testing the custom world regulatory + * domain requests. All radios will adhere to this custom world regulatory + * domain. + * @HWSIM_REGTEST_CUSTOM_WORLD_2: Used for testing 2 custom world regulatory + * domain requests. The first radio will adhere to the first custom world + * regulatory domain, the second one to the second custom world regulatory + * domain. All other devices will world roam. + * @HWSIM_REGTEST_STRICT_FOLLOW_: Used for testing strict regulatory domain + * settings, only the first radio will send a regulatory domain request + * and use strict settings. The rest of the radios are expected to follow. + * @HWSIM_REGTEST_STRICT_ALL: Used for testing strict regulatory domain + * settings. All radios will adhere to this. + * @HWSIM_REGTEST_STRICT_AND_DRIVER_REG: Used for testing strict regulatory + * domain settings, combined with secondary driver regulatory domain + * settings. The first radio will get a strict regulatory domain setting + * using the first driver regulatory request and the second radio will use + * non-strict settings using the second driver regulatory request. All + * other devices should follow the intersection created between the + * first two. + * @HWSIM_REGTEST_ALL: Used for testing every possible mix. You will need + * at least 6 radios for a complete test. We will test in this order: + * 1 - driver custom world regulatory domain + * 2 - second custom world regulatory domain + * 3 - first driver regulatory domain request + * 4 - second driver regulatory domain request + * 5 - strict regulatory domain settings using the third driver regulatory + * domain request + * 6 and on - should follow the intersection of the 3rd, 4rth and 5th radio + * regulatory requests. + */ +enum hwsim_regtest { + HWSIM_REGTEST_DISABLED = 0, + HWSIM_REGTEST_DRIVER_REG_FOLLOW = 1, + HWSIM_REGTEST_DRIVER_REG_ALL = 2, + HWSIM_REGTEST_DIFF_COUNTRY = 3, + HWSIM_REGTEST_WORLD_ROAM = 4, + HWSIM_REGTEST_CUSTOM_WORLD = 5, + HWSIM_REGTEST_CUSTOM_WORLD_2 = 6, + HWSIM_REGTEST_STRICT_FOLLOW = 7, + HWSIM_REGTEST_STRICT_ALL = 8, + HWSIM_REGTEST_STRICT_AND_DRIVER_REG = 9, + HWSIM_REGTEST_ALL = 10, +}; + +/* Set to one of the HWSIM_REGTEST_* values above */ +static int regtest = HWSIM_REGTEST_DISABLED; +module_param(regtest, int, 0444); +MODULE_PARM_DESC(regtest, "The type of regulatory test we want to run"); + +static const char *hwsim_alpha2s[] = { + "FI", + "AL", + "US", + "DE", + "JP", + "AL", +}; + +static const struct ieee80211_regdomain hwsim_world_regdom_custom_01 = { + .n_reg_rules = 4, + .alpha2 = "99", + .reg_rules = { + REG_RULE(2412-10, 2462+10, 40, 0, 20, 0), + REG_RULE(2484-10, 2484+10, 40, 0, 20, 0), + REG_RULE(5150-10, 5240+10, 40, 0, 30, 0), + REG_RULE(5745-10, 5825+10, 40, 0, 30, 0), + } +}; + +static const struct ieee80211_regdomain hwsim_world_regdom_custom_02 = { + .n_reg_rules = 2, + .alpha2 = "99", + .reg_rules = { + REG_RULE(2412-10, 2462+10, 40, 0, 20, 0), + REG_RULE(5725-10, 5850+10, 40, 0, 30, + NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS), + } +}; + struct hwsim_vif_priv { u32 magic; u8 bssid[ETH_ALEN]; @@ -871,6 +977,64 @@ static int __init init_mac80211_hwsim(void) hw->wiphy->bands[band] = sband; } + /* Work to be done prior to ieee80211_register_hw() */ + switch (regtest) { + case HWSIM_REGTEST_DISABLED: + case HWSIM_REGTEST_DRIVER_REG_FOLLOW: + case HWSIM_REGTEST_DRIVER_REG_ALL: + case HWSIM_REGTEST_DIFF_COUNTRY: + /* + * Nothing to be done for driver regulatory domain + * hints prior to ieee80211_register_hw() + */ + break; + case HWSIM_REGTEST_WORLD_ROAM: + if (i == 0) { + hw->wiphy->custom_regulatory = true; + wiphy_apply_custom_regulatory(hw->wiphy, + &hwsim_world_regdom_custom_01); + } + break; + case HWSIM_REGTEST_CUSTOM_WORLD: + hw->wiphy->custom_regulatory = true; + wiphy_apply_custom_regulatory(hw->wiphy, + &hwsim_world_regdom_custom_01); + break; + case HWSIM_REGTEST_CUSTOM_WORLD_2: + if (i == 0) { + hw->wiphy->custom_regulatory = true; + wiphy_apply_custom_regulatory(hw->wiphy, + &hwsim_world_regdom_custom_01); + } else if (i == 1) { + hw->wiphy->custom_regulatory = true; + wiphy_apply_custom_regulatory(hw->wiphy, + &hwsim_world_regdom_custom_02); + } + break; + case HWSIM_REGTEST_STRICT_ALL: + hw->wiphy->strict_regulatory = true; + break; + case HWSIM_REGTEST_STRICT_FOLLOW: + case HWSIM_REGTEST_STRICT_AND_DRIVER_REG: + if (i == 0) + hw->wiphy->strict_regulatory = true; + break; + case HWSIM_REGTEST_ALL: + if (i == 0) { + hw->wiphy->custom_regulatory = true; + wiphy_apply_custom_regulatory(hw->wiphy, + &hwsim_world_regdom_custom_01); + } else if (i == 1) { + hw->wiphy->custom_regulatory = true; + wiphy_apply_custom_regulatory(hw->wiphy, + &hwsim_world_regdom_custom_02); + } else if (i == 4) + hw->wiphy->strict_regulatory = true; + break; + default: + break; + } + err = ieee80211_register_hw(hw); if (err < 0) { printk(KERN_DEBUG "mac80211_hwsim: " @@ -878,6 +1042,52 @@ static int __init init_mac80211_hwsim(void) goto failed_hw; } + /* Work to be done after to ieee80211_register_hw() */ + switch (regtest) { + case HWSIM_REGTEST_WORLD_ROAM: + case HWSIM_REGTEST_DISABLED: + break; + case HWSIM_REGTEST_DRIVER_REG_FOLLOW: + if (!i) + regulatory_hint(hw->wiphy, hwsim_alpha2s[0]); + break; + case HWSIM_REGTEST_DRIVER_REG_ALL: + case HWSIM_REGTEST_STRICT_ALL: + regulatory_hint(hw->wiphy, hwsim_alpha2s[0]); + break; + case HWSIM_REGTEST_DIFF_COUNTRY: + if (i < ARRAY_SIZE(hwsim_alpha2s)) + regulatory_hint(hw->wiphy, hwsim_alpha2s[i]); + break; + case HWSIM_REGTEST_CUSTOM_WORLD: + case HWSIM_REGTEST_CUSTOM_WORLD_2: + /* + * Nothing to be done for custom world regulatory + * domains after to ieee80211_register_hw + */ + break; + case HWSIM_REGTEST_STRICT_FOLLOW: + if (i == 0) + regulatory_hint(hw->wiphy, hwsim_alpha2s[0]); + break; + case HWSIM_REGTEST_STRICT_AND_DRIVER_REG: + if (i == 0) + regulatory_hint(hw->wiphy, hwsim_alpha2s[0]); + else if (i == 1) + regulatory_hint(hw->wiphy, hwsim_alpha2s[1]); + break; + case HWSIM_REGTEST_ALL: + if (i == 2) + regulatory_hint(hw->wiphy, hwsim_alpha2s[0]); + else if (i == 3) + regulatory_hint(hw->wiphy, hwsim_alpha2s[1]); + else if (i == 4) + regulatory_hint(hw->wiphy, hwsim_alpha2s[2]); + break; + default: + break; + } + printk(KERN_DEBUG "%s: hwaddr %pM registered\n", wiphy_name(hw->wiphy), hw->wiphy->perm_addr); |