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drivers/atwinc15x0: handle M2M errors of m2m_wifi_enable_mac_mcast

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This commit is contained in:
Fabian Hüßler 2023-03-31 13:04:29 +02:00
parent c5d1ae1b9a
commit 8e122e9354
1 changed files with 9 additions and 1 deletions
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10
drivers/atwinc15x0/atwinc15x0_netdev.c
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@ -768,7 +768,15 @@ static int _atwinc15x0_set(netdev_t *netdev, netopt_t opt, const void *val,
assert(max_len <= sizeof(netopt_state_t));
return _set_state(dev, *((const netopt_state_t *)val));
case NETOPT_L2_GROUP:
if (m2m_wifi_enable_mac_mcast((void *)val, 1)) {
/* sometimes m2m_wifi_enable_mac_mcast() fails with M2M_ERR_MEM_ALLOC */
m2m_wifi_enable_mac_mcast((void *)val, 0);
/* sometimes it fails with M2M_ERR_BUS_FAIL */
int tries = 5;
do {
ret = m2m_wifi_enable_mac_mcast((void *)val, 1);
DEBUG_PUTS("busy loop setting L2 multicast address on atwinc15x0");
} while (--tries && ret == M2M_ERR_BUS_FAIL);
if (ret) {
return -EINVAL;
} else {
return max_len;