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ethernet: limit rx buf num when flow ctrl enable.

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This commit is contained in:
shangke
2017-01-19 16:45:30 +08:00
parent 7eb570b039
commit 2ea4d7fd02
2 changed files with 10 additions and 2 deletions
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5
components/ethernet/Kconfig
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@@ -6,17 +6,18 @@ menuconfig ETHERNET
config DMA_RX_BUF_NUM config DMA_RX_BUF_NUM
int "Number of DMA RX buffers" int "Number of DMA RX buffers"
range 1 10 range 3 20
default 10 default 10
depends on ETHERNET depends on ETHERNET
help help
Number of DMA receive buffers. Each buffer is 1600 bytes. Number of DMA receive buffers. Each buffer is 1600 bytes.
Buffers are allocated statically. Buffers are allocated statically.
Larger number of buffers increases throughput. Larger number of buffers increases throughput.
If enable flow ctrl, the num must be above 9 .
config DMA_TX_BUF_NUM config DMA_TX_BUF_NUM
int "Number of DMA RX buffers" int "Number of DMA RX buffers"
range 1 10 range 3 20
default 10 default 10
depends on ETHERNET depends on ETHERNET
help help

7
components/ethernet/emac_main.c
View File

@@ -216,7 +216,14 @@ static void emac_set_user_config_data(eth_config_t *config )
emac_config.emac_phy_check_init = config->phy_check_init; 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_speed_mode = config->phy_get_speed_mode;
emac_config.emac_phy_get_duplex_mode = config->phy_get_duplex_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; 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; emac_config.emac_phy_get_partner_pause_enable = config->phy_get_partner_pause_enable;
} }