config DMA_RX_BUF_NUM
int "Number of DMA RX buffers"
- range 1 10
+ range 3 20
default 10
depends on ETHERNET
help
Number of DMA receive buffers. Each buffer is 1600 bytes.
Buffers are allocated statically.
Larger number of buffers increases throughput.
+ If enable flow ctrl, the num must be above 9 .
config DMA_TX_BUF_NUM
int "Number of DMA RX buffers"
- range 1 10
+ range 3 20
default 10
depends on ETHERNET
help
emac_config.emac_phy_check_init = config->phy_check_init;
emac_config.emac_phy_get_speed_mode = config->phy_get_speed_mode;
emac_config.emac_phy_get_duplex_mode = config->phy_get_duplex_mode;
+#if DMA_RX_BUF_NUM > 9
emac_config.emac_flow_ctrl_enable = config->flow_ctrl_enable;
+#else
+ if(config->flow_ctrl_enable == true) {
+ ESP_LOGE(TAG, "eth flow ctrl init err!!! Please run make menuconfig and make sure DMA_RX_BUF_NUM > 9 .");
+ }
+ emac_config.emac_flow_ctrl_enable = false;
+#endif
emac_config.emac_phy_get_partner_pause_enable = config->phy_get_partner_pause_enable;
}