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Commit 2275b7ab authored by Pragaspathi Thilagaraj's avatar Pragaspathi Thilagaraj Committed by snandini
Browse files

qcacmn: Add API to get FILS pmksa entry cache id and SSID 

Add new API to lookup the pmksa entry by fils cache id
and SSID.

Change-Id: I654d2b29b97a3b02ab6da7d2cfa0884bb8e5d2a1
CRs-Fixed: 2719643
parent 6352ab82

umac/cmn_services/crypto/inc/wlan_crypto_global_api.h

+15 −0
Original line number Diff line number Diff line
@@ -898,6 +898,21 @@ struct wlan_crypto_pmksa * 
wlan_crypto_get_pmksa(struct wlan_objmgr_vdev *vdev,

		      struct qdf_mac_addr *bssid);



/**

 * wlan_crypto_get_fils_pmksa  - Get the PMKSA for FILS

 * SSID, if the SSID and cache id matches

 * @vdev:     Pointer with VDEV object

 * @cache_id: Cache id

 * @ssid:     Pointer to ssid

 * @ssid_len: SSID length

 *

 * Return: PMKSA entry if the cache id and SSID matches

 */

struct wlan_crypto_pmksa *

wlan_crypto_get_fils_pmksa(struct wlan_objmgr_vdev *vdev,

			   uint8_t *cache_id, uint8_t *ssid,

			   uint8_t ssid_len);



/**

 * wlan_crypto_pmksa_flush - called to flush saved pmksa

 * @crypto_params: crypto_params

umac/cmn_services/crypto/src/wlan_crypto_global_api.c

+34 −0
Original line number Diff line number Diff line
@@ -537,6 +537,40 @@ wlan_crypto_get_pmksa(struct wlan_objmgr_vdev *vdev, struct qdf_mac_addr *bssid) 
	return NULL;

}



struct wlan_crypto_pmksa *

wlan_crypto_get_fils_pmksa(struct wlan_objmgr_vdev *vdev,

			   uint8_t *cache_id, uint8_t *ssid,

			   uint8_t ssid_len)

{

	struct wlan_crypto_comp_priv *crypto_priv;

	struct wlan_crypto_params *crypto_params;

	uint8_t i;



	crypto_priv = (struct wlan_crypto_comp_priv *)

					wlan_get_vdev_crypto_obj(vdev);



	if (!crypto_priv) {

		crypto_err("crypto_priv NULL");

		return NULL;

	}



	crypto_params = &crypto_priv->crypto_params;

	for (i = 0; i < WLAN_CRYPTO_MAX_PMKID; i++) {

		if (!crypto_params->pmksa[i])

			continue;



		if (!qdf_mem_cmp(cache_id,

				 crypto_params->pmksa[i]->cache_id,

				 WLAN_CACHE_ID_LEN) &&

		    !qdf_mem_cmp(ssid, crypto_params->pmksa[i]->ssid,

				 ssid_len) &&

		    ssid_len == crypto_params->pmksa[i]->ssid_len)

			return crypto_params->pmksa[i];

	}



	return NULL;

}



/**

 * wlan_crypto_is_htallowed - called to check is HT allowed for cipher

 * @vdev:  vdev