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qcacld-3.0: Add crypto component support for FILS

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Add support in crypto for FILS set key functionality

Change-Id: Ibbb83940c6f2d8545966a0b122f132b55d5770bf
CRs-Fixed: 2407508
This commit is contained in:
Varun Reddy Yeturu 2019-02-24 22:48:39 -08:00 • committed by nshrivas
commit d6bfcd76e6
1 changed files with 48 additions and 1 deletions
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49
core/sme/src/csr/csr_api_roam.c
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@ -9794,7 +9794,6 @@ static QDF_STATUS csr_roam_issue_set_context_req(struct mac_context *mac_ctx,
wep_key_idx = wlan_crypto_get_default_key_idx(vdev, !unicast);
crypto_key = wlan_crypto_get_key(vdev, wep_key_idx);
} else {
/* TODO: Add code for storing FILS keys in case of add_key */
crypto_key = wlan_crypto_get_key(vdev, key_idx);
}
@ -9810,6 +9809,41 @@ static QDF_STATUS csr_roam_issue_set_context_req(struct mac_context *mac_ctx,
WLAN_CRYPTO_KEY_TYPE_GROUP));
}
static QDF_STATUS csr_roam_store_fils_key(struct wlan_objmgr_vdev *vdev,
bool unicast, uint8_t key_id,
uint16_t key_length, uint8_t *key,
tSirMacAddr *bssid)
{
struct wlan_crypto_key *crypto_key = NULL;
uint8_t key_index = 0;
QDF_STATUS status;
if (unicast)
key_index = 0;
else
key_index = 1;
crypto_key = wlan_crypto_get_key(vdev, key_index);
if (!crypto_key) {
crypto_key = qdf_mem_malloc(sizeof(*crypto_key));
if (!crypto_key)
return QDF_STATUS_E_INVAL;
status = wlan_crypto_save_key(vdev, key_index, crypto_key);
if (QDF_IS_STATUS_ERROR(status)) {
sme_err("Failed to save key");
qdf_mem_free(crypto_key);
return QDF_STATUS_E_INVAL;
}
}
qdf_mem_zero(crypto_key, sizeof(*crypto_key));
crypto_key->keylen = key_length;
crypto_key->keyix = key_index;
sme_debug("key_len %d, unicast %d", key_length, unicast);
qdf_mem_copy(&crypto_key->keyval[0], key, key_length);
qdf_mem_copy(crypto_key->macaddr, bssid, QDF_MAC_ADDR_SIZE);
return QDF_STATUS_SUCCESS;
}
QDF_STATUS csr_roam_issue_set_context_req_helper(
struct mac_context *mac_ctx,
uint32_t session_id,
@ -9821,6 +9855,19 @@ QDF_STATUS csr_roam_issue_set_context_req_helper(
uint8_t key_id, uint16_t key_length,
uint8_t *key, uint8_t pae_role)
{
enum wlan_crypto_cipher_type cipher;
struct wlan_objmgr_vdev *vdev;
vdev = wlan_objmgr_get_vdev_by_id_from_psoc(mac_ctx->psoc, session_id,
WLAN_LEGACY_MAC_ID);
if (!vdev) {
sme_err("VDEV object not found for session_id %d", session_id);
return QDF_STATUS_E_INVAL;
}
cipher = wlan_crypto_get_cipher(vdev, unicast, key_id);
if (cipher == WLAN_CRYPTO_CIPHER_FILS_AEAD)
csr_roam_store_fils_key(vdev, unicast, key_id, key_length,
key, bssid);
return csr_roam_issue_set_context_req(mac_ctx, session_id, addkey,
unicast, key_id);
}