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qcacld-3.0: Set LA bit and reset multicast bit in the mac addr

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Locally administered bit needs to be set and multicast bit
needs to be reset in the interface/vdev mac address.

Change-Id: Ifdc39a8137617ebf2d09434deba13767f0c7cf34
CRs-Fixed: 2059150
This commit is contained in:
Ravi Joshi 2017-06-11 19:47:54 -07:00 • committed by snandini
commit 04a1c99c32
1 changed files with 6 additions and 5 deletions
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11
core/hdd/src/wlan_hdd_nan_datapath.c
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@ -292,20 +292,21 @@ static int hdd_get_random_nan_mac_addr(hdd_context_t *hdd_ctx,
{
hdd_adapter_t *adapter;
uint8_t i, attempts, max_attempt = 16;
struct qdf_mac_addr bcast_mac_addr = QDF_MAC_ADDR_BROADCAST_INITIALIZER;
for (attempts = 0; attempts < max_attempt; attempts++) {
cds_rand_get_bytes(0, (uint8_t *)mac_addr, sizeof(*mac_addr));
WLAN_HDD_RESET_LOCALLY_ADMINISTERED_BIT(mac_addr->bytes);
/*
* Reset multicast bit (bit-0) and set locally-administered bit
*/
mac_addr->bytes[0] = 0x2;
/*
* to avoid potential conflict with FW's generated NMI mac addr,
* host sets LSB if 6th byte to 0
*/
mac_addr->bytes[5] &= 0xFE;
if (!qdf_mem_cmp(mac_addr, &bcast_mac_addr, sizeof(*mac_addr)))
continue;
for (i = 0; i < QDF_MAX_CONCURRENCY_PERSONA; i++) {
if (!qdf_mem_cmp(hdd_ctx->config->intfMacAddr[i].bytes,
mac_addr, sizeof(*mac_addr)))