diff options
| -rw-r--r-- | core/sme/src/csr/csr_util.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/core/sme/src/csr/csr_util.c b/core/sme/src/csr/csr_util.c index f844303e835b..9f9be44a0c2f 100644 --- a/core/sme/src/csr/csr_util.c +++ b/core/sme/src/csr/csr_util.c @@ -4444,6 +4444,78 @@ uint8_t csr_retrieve_wpa_ie(tHalHandle hHal, tCsrRoamProfile *pProfile, return cbWpaIe; } +#ifdef WLAN_FEATURE_11W +/** + * csr_get_mc_mgmt_cipher(): Get mcast management cipher from profile rsn + * @mac: mac ctx + * @profile: connect profile + * @bss: ap scan entry + * @ap_ie: AP IE's + * + * Return: none + */ +static void csr_get_mc_mgmt_cipher(tpAniSirGlobal mac, + tCsrRoamProfile *profile, + tSirBssDescription *bss, + tDot11fBeaconIEs *ap_ie) +{ + int ret; + tDot11fIERSN rsn_ie = {0}; + uint8_t n_mgmt_cipher = 1; + struct rsn_caps rsn_caps; + tDot11fBeaconIEs *local_ap_ie = ap_ie; + uint8_t grp_mgmt_arr[CSR_RSN_MAX_MULTICAST_CYPHERS][CSR_RSN_OUI_SIZE]; + + if (!profile->MFPEnabled) + return; + + if (!local_ap_ie && + (!QDF_IS_STATUS_SUCCESS(csr_get_parsed_bss_description_ies + (mac, bss, &local_ap_ie)))) + return; + + qdf_mem_copy(&rsn_caps, local_ap_ie->RSN.RSN_Cap, sizeof(rsn_caps)); + + if (!ap_ie && local_ap_ie) + /* locally allocated */ + qdf_mem_free(local_ap_ie); + + /* if AP is not PMF capable return */ + if (!rsn_caps.MFPCapable) + return; + + ret = dot11f_unpack_ie_rsn(mac, profile->pRSNReqIE + 2, + profile->nRSNReqIELength -2, + &rsn_ie, false); + if (DOT11F_FAILED(ret)) + return; + + qdf_mem_copy(&rsn_caps, rsn_ie.RSN_Cap, sizeof(rsn_caps)); + + /* if self cap is not PMF capable return */ + if (!rsn_caps.MFPCapable) + return; + + qdf_mem_copy(grp_mgmt_arr, rsn_ie.gp_mgmt_cipher_suite, + CSR_RSN_OUI_SIZE); + if (csr_is_group_mgmt_gmac_128(mac, grp_mgmt_arr, n_mgmt_cipher, NULL)) + profile->mgmt_encryption_type = eSIR_ED_AES_GMAC_128; + else if (csr_is_group_mgmt_gmac_256(mac, grp_mgmt_arr, + n_mgmt_cipher, NULL)) + profile->mgmt_encryption_type = eSIR_ED_AES_GMAC_256; + else + /* Default is CMAC */ + profile->mgmt_encryption_type = eSIR_ED_AES_128_CMAC; +} +#else +static inline +void csr_get_mc_mgmt_cipher(tpAniSirGlobal mac, + tCsrRoamProfile *profile, + tSirBssDescription *bss, + tDot11fBeaconIEs *ap_ie) +{ +} +#endif /* If a RSNIE exists in the profile, just use it. Or else construct * one from the BSS Caller allocated memory for pWpaIe and guarrantee * it can contain a max length WPA IE @@ -4468,6 +4540,8 @@ uint8_t csr_retrieve_rsn_ie(tHalHandle hHal, uint32_t sessionId, cbRsnIe = (uint8_t) pProfile->nRSNReqIELength; qdf_mem_copy(pRsnIe, pProfile->pRSNReqIE, cbRsnIe); + csr_get_mc_mgmt_cipher(pMac, pProfile, + pSirBssDesc, pIes); } else { sme_warn("csr_retrieve_rsn_ie detect invalid RSN IE length (%d)", pProfile->nRSNReqIELength); |