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feat(esp_eth): added IRAM optimization option for internal EMAC

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This commit is contained in:
Ondrej Kosta 2023-09-01 18:27:04 +02:00
parent 78af508654
commit 0ff10c3e06
4 changed files with 31 additions and 0 deletions
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2
components/esp_eth/CMakeLists.txt
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@ -2,6 +2,7 @@ idf_build_get_property(components_to_build BUILD_COMPONENTS)
set(srcs)
set(include)
set(ld_fragments linker.lf)
# As CONFIG_ETH_ENABLED comes from Kconfig, it is not evaluated yet
# when components are being registered.
# Thus, always add the (private) requirements, regardless of Kconfig
@ -51,6 +52,7 @@ endif()
idf_component_register(SRCS "${srcs}"
INCLUDE_DIRS ${include}
LDFRAGMENTS ${ld_fragments}
REQUIRES esp_event # For using "ESP_EVENT_DECLARE_BASE" in header file
PRIV_REQUIRES ${priv_requires})
if(CONFIG_ETH_ENABLED)

7
components/esp_eth/Kconfig
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@ -111,6 +111,13 @@ menu "Ethernet"
cause obvious performance loss.
endif
config ETH_IRAM_OPTIMIZATION
bool "Enable IRAM optimization"
default n
help
If enabled, functions related to RX/TX are placed into IRAM. It can improve Ethernet throughput.
If disabled, all functions are placed into FLASH.
endif # ETH_USE_ESP32_EMAC
menuconfig ETH_USE_SPI_ETHERNET

19
components/esp_eth/linker.lf Normal file
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@ -0,0 +1,19 @@
[mapping:esp_eth]
archive: libesp_eth.a
entries:
if ETH_IRAM_OPTIMIZATION = y:
esp_eth:esp_eth_transmit (noflash_text)
esp_eth:esp_eth_transmit_vargs (noflash_text)
esp_eth_mac_esp:emac_esp32_transmit (noflash_text)
esp_eth_mac_esp:emac_esp32_transmit_multiple_bufs (noflash_text)
esp_eth_mac_esp:emac_esp32_receive (noflash_text)
esp_eth_mac_esp:emac_esp32_rx_task (noflash_text)
[mapping:esp_eth_hal]
archive: libhal.a
entries:
if ETH_IRAM_OPTIMIZATION = y:
emac_hal:emac_hal_transmit_frame (noflash)
emac_hal:emac_hal_transmit_multiple_buf_frame (noflash)
emac_hal:emac_hal_alloc_recv_buf (noflash)
emac_hal:emac_hal_receive_frame (noflash)

3
examples/ethernet/iperf/sdkconfig.defaults
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@ -21,3 +21,6 @@ CONFIG_ESP_TASK_WDT_EN=n
# Enable lwIP IRAM optimization
CONFIG_LWIP_IRAM_OPTIMIZATION=y
# Enable Ethernet IRAM optimization
CONFIG_ETH_IRAM_OPTIMIZATION=y