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driver: eth_stm32_hal: disable hardware multicast filtering

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Until Zephyr has infrastructure to enable/disable the
reception of multicast frames we disable the hardware
multicast frame filter completly and pass all multicast
frames to the upper layer and let that deal with them.

Signed-off-by: Erwin Rol <erwin@erwinrol.com>
This commit is contained in:
Erwin Rol 2017-06-30 18:14:19 +02:00 • committed by Jukka Rissanen
commit ad8f83733c
1 changed files with 26 additions and 0 deletions
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26
drivers/ethernet/eth_stm32_hal.c
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@ -27,6 +27,30 @@ static ETH_DMADescTypeDef dma_tx_desc_tab[ETH_TXBUFNB] __aligned(4);
static u8_t dma_rx_buffer[ETH_RXBUFNB][ETH_RX_BUF_SIZE] __aligned(4); static u8_t dma_rx_buffer[ETH_RXBUFNB][ETH_RX_BUF_SIZE] __aligned(4);
static u8_t dma_tx_buffer[ETH_TXBUFNB][ETH_TX_BUF_SIZE] __aligned(4); static u8_t dma_tx_buffer[ETH_TXBUFNB][ETH_TX_BUF_SIZE] __aligned(4);
static inline void disable_mcast_filter(ETH_HandleTypeDef *heth)
{
__ASSERT_NO_MSG(heth != NULL);
u32_t tmp = heth->Instance->MACFFR;
/* disable multicast filtering */
tmp &= ~(ETH_MULTICASTFRAMESFILTER_PERFECTHASHTABLE |
ETH_MULTICASTFRAMESFILTER_HASHTABLE |
ETH_MULTICASTFRAMESFILTER_PERFECT);
/* enable receiving all multicast frames */
tmp |= ETH_MULTICASTFRAMESFILTER_NONE;
heth->Instance->MACFFR = tmp;
/* Wait until the write operation will be taken into account:
* at least four TX_CLK/RX_CLK clock cycles
*/
tmp = heth->Instance->MACFFR;
k_sleep(1);
heth->Instance->MACFFR = tmp;
}
static int eth_tx(struct net_if *iface, struct net_pkt *pkt) static int eth_tx(struct net_if *iface, struct net_pkt *pkt)
{ {
struct device *dev; struct device *dev;
@ -327,6 +351,8 @@ static void eth0_iface_init(struct net_if *iface)
HAL_ETH_Start(heth); HAL_ETH_Start(heth);
disable_mcast_filter(heth);
/* Register Ethernet MAC Address with the upper layer */ /* Register Ethernet MAC Address with the upper layer */
net_if_set_link_addr(iface, dev_data->mac_addr, net_if_set_link_addr(iface, dev_data->mac_addr,
sizeof(dev_data->mac_addr), sizeof(dev_data->mac_addr),