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docs(nan): document group-protection fields, CSID ciphers and NIRA

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Refresh stale/missing documentation now that the features are implemented:
- group_data_prot / group_mgmt_prot in wifi_nan_discovery_security_params_t
  (esp_wifi_types_generic.h) and wifi_nan_security_params_t (esp_private/
  wifi.h): describe GTKSA / IGTKSA+BIGTKSA instead of "not supported".
- CSID enum: document NCS-GTK-CCM-128 (set internally via group_data_prot,
  not user-selectable) and NCS-PK-PASN-128 (NAN Pairing, via the Wi-Fi
  Aware component).
- Drop "dummy" from the esp_nan_construct_nira() doc (it builds a real
  NIRA) and a stale "IGTK/BIGTK are placeholders" comment.
This commit is contained in:
Sarvesh Bodakhe
2026-07-01 18:12:24 +05:30
parent ebb9539d17
commit e952a580db
3 changed files with 9 additions and 9 deletions
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components/esp_wifi/include/esp_private/wifi.h
+3 -3
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@@ -67,8 +67,8 @@ typedef struct {
uint16_t csid_bitmap; /**< Selected Cipher Suite ID bit (WIFI_NAN_CSID_BIT_*) */
uint8_t nd_pmk[ESP_WIFI_NAN_NDP_PMK_LEN]; /**< ND-PMK */
uint8_t nd_pmkid[ESP_WIFI_NAN_NDP_PMKID_LEN]; /**< ND-PMKID */
uint8_t group_data_prot: 1; /**< Group addressed data frame protection. Reserved: not supported right now. */
uint8_t group_mgmt_prot: 1; /**< Group addressed management frame protection. Reserved: not supported right now. */
uint8_t group_data_prot: 1; /**< Group addressed data frame protection (GTKSA): distribute a GTK on the secured NDP so multicast data frames are protected. */
uint8_t group_mgmt_prot: 1; /**< Group addressed management frame protection (IGTKSA/BIGTKSA): BIP-protect multicast SDFs and Beacons. */
uint8_t reserved: 6; /**< Reserved */
} wifi_nan_security_params_t;
@@ -1209,7 +1209,7 @@ esp_err_t esp_wifi_disconnect_internal(void);
uint32_t esp_nan_get_nira_len(void);
/**
* @brief Construct dummy NAN Identity Resolution Attribute (NIRA)
* @brief Construct NAN Identity Resolution Attribute (NIRA)
*
* @param[out] frm Buffer to write the attribute to
*