diff options
| -rw-r--r-- | include/net/cfg80211.h | 28 | ||||
| -rw-r--r-- | include/uapi/linux/nl80211.h | 33 | ||||
| -rw-r--r-- | net/wireless/nl80211.c | 43 |
3 files changed, 103 insertions, 1 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 40f2a3a30e3d..c3a9b375d3ca 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -4401,6 +4401,21 @@ struct cfg80211_pmsr_capabilities { }; /** + * struct wiphy_iftype_akm_suites - This structure encapsulates supported akm + * suites for interface types defined in @iftypes_mask. Each type in the + * @iftypes_mask must be unique across all instances of iftype_akm_suites. + * + * @iftypes_mask: bitmask of interfaces types + * @akm_suites: points to an array of supported akm suites + * @n_akm_suites: number of supported AKM suites + */ +struct wiphy_iftype_akm_suites { + u16 iftypes_mask; + const u32 *akm_suites; + int n_akm_suites; +}; + +/** * struct wiphy - wireless hardware description * @reg_notifier: the driver's regulatory notification callback, * note that if your driver uses wiphy_apply_custom_regulatory() @@ -4412,8 +4427,16 @@ struct cfg80211_pmsr_capabilities { * @signal_type: signal type reported in &struct cfg80211_bss. * @cipher_suites: supported cipher suites * @n_cipher_suites: number of supported cipher suites - * @akm_suites: supported AKM suites + * @akm_suites: supported AKM suites. These are the default AKMs supported if + * the supported AKMs not advertized for a specific interface type in + * iftype_akm_suites. * @n_akm_suites: number of supported AKM suites + * @iftype_akm_suites: array of supported akm suites info per interface type. + * Note that the bits in @iftypes_mask inside this structure cannot + * overlap (i.e. only one occurrence of each type is allowed across all + * instances of iftype_akm_suites). + * @num_iftype_akm_suites: number of interface types for which supported akm + * suites are specified separately. * @retry_short: Retry limit for short frames (dot11ShortRetryLimit) * @retry_long: Retry limit for long frames (dot11LongRetryLimit) * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold); @@ -4620,6 +4643,9 @@ struct wiphy { int n_akm_suites; const u32 *akm_suites; + const struct wiphy_iftype_akm_suites *iftype_akm_suites; + unsigned int num_iftype_akm_suites; + u8 retry_short; u8 retry_long; u32 frag_threshold; diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index d996bac97e9d..350ab86fe20e 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -2402,6 +2402,13 @@ enum nl80211_commands { * * @NL80211_ATTR_HE_BSS_COLOR: nested attribute for BSS Color Settings. * + * @NL80211_ATTR_IFTYPE_AKM_SUITES: nested array attribute, with each entry + * using attributes from &enum nl80211_iftype_akm_attributes. This + * attribute is sent in a response to %NL80211_CMD_GET_WIPHY indicating + * supported AKM suites capability per interface. AKMs advertised in + * %NL80211_ATTR_AKM_SUITES are default capabilities if AKM suites not + * advertised for a specific interface type. + * * @NUM_NL80211_ATTR: total number of nl80211_attrs available * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use @@ -2868,6 +2875,8 @@ enum nl80211_attrs { NL80211_ATTR_HE_BSS_COLOR, + NL80211_ATTR_IFTYPE_AKM_SUITES, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, @@ -6619,4 +6628,28 @@ enum nl80211_bss_color_attributes { NL80211_HE_BSS_COLOR_ATTR_MAX = __NL80211_HE_BSS_COLOR_ATTR_LAST - 1, }; +/** + * enum nl80211_iftype_akm_attributes - interface type AKM attributes + * @__NL80211_IFTYPE_AKM_ATTR_INVALID: Invalid + * + * @NL80211_IFTYPE_AKM_ATTR_IFTYPES: nested attribute containing a flag + * attribute for each interface type that supports AKM suites specified in + * %NL80211_IFTYPE_AKM_ATTR_SUITES + * @NL80211_IFTYPE_AKM_ATTR_SUITES: an array of u32. Used to indicate supported + * AKM suites for the specified interface types. + * + * @__NL80211_IFTYPE_AKM_ATTR_LAST: Internal + * @NL80211_IFTYPE_AKM_ATTR_MAX: highest interface type AKM attribute. + */ +enum nl80211_iftype_akm_attributes { + __NL80211_IFTYPE_AKM_ATTR_INVALID, + + NL80211_IFTYPE_AKM_ATTR_IFTYPES, + NL80211_IFTYPE_AKM_ATTR_SUITES, + + /* keep last */ + __NL80211_IFTYPE_AKM_ATTR_LAST, + NL80211_IFTYPE_AKM_ATTR_MAX = __NL80211_IFTYPE_AKM_ATTR_LAST - 1, +}; + #endif /* __LINUX_NL80211_H */ diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index d8cdbf07aeec..3ad937d0a256 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1896,6 +1896,46 @@ static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev, return 0; } +static int +nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev, + struct sk_buff *msg) +{ + int i; + struct nlattr *nested, *nested_akms; + const struct wiphy_iftype_akm_suites *iftype_akms; + + if (!rdev->wiphy.num_iftype_akm_suites || + !rdev->wiphy.iftype_akm_suites) + return 0; + + nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES); + if (!nested) + return -ENOBUFS; + + for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) { + nested_akms = nla_nest_start(msg, i + 1); + if (!nested_akms) + return -ENOBUFS; + + iftype_akms = &rdev->wiphy.iftype_akm_suites[i]; + + if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES, + iftype_akms->iftypes_mask)) + return -ENOBUFS; + + if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES, + sizeof(u32) * iftype_akms->n_akm_suites, + iftype_akms->akm_suites)) { + return -ENOBUFS; + } + nla_nest_end(msg, nested_akms); + } + + nla_nest_end(msg, nested); + + return 0; +} + struct nl80211_dump_wiphy_state { s64 filter_wiphy; long start; @@ -2454,6 +2494,9 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, rdev->wiphy.akm_suites)) goto nla_put_failure; + if (nl80211_put_iftype_akm_suites(rdev, msg)) + goto nla_put_failure; + /* done */ state->split_start = 0; break; |