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rt1020 driver check frame crc/truncated (#2080)

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Co-authored-by: Jean-Francois Simon <jfsimon@startmail.com>
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Jean-François Simon 2023-02-21 16:27:04 +01:00 committed by GitHub
parent 1a8a559d84
commit 6423b4cbb9
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1 changed files with 13 additions and 3 deletions
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16
src/tcpip/driver_nxpimxrt1020.c
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@ -1,4 +1,11 @@
#include "mip.h"
#include "tcpip.h"
/*
* Todo
* This driver doesn't support 10M line autoconfiguration yet.
* Packets aren't sent if the link negociated 10M line.
* todo: MAC back auto reconfiguration.
*/
#if MG_ENABLE_TCPIP && defined(MG_ENABLE_DRIVER_IMXRT1020)
struct imx_rt1020_enet {
@ -231,8 +238,11 @@ void ENET_IRQHandler(void) {
else { // Frame received, loop
for (uint32_t i = 0; i < 10; i++) { // read as they arrive but not forever
if (rx_buffer_descriptor[s_rt1020_rxno].control & BIT(15)) break; // exit when done
uint32_t len = (rx_buffer_descriptor[s_rt1020_rxno].length);
mg_tcpip_qwrite(rx_buffer_descriptor[s_rt1020_rxno].buffer, len > 4 ? len - 4 : len, s_ifp);
// Process if CRC OK and frame not truncated
if (!(rx_buffer_descriptor[s_rt1020_rxno].control & (BIT(2) | BIT(0)))) {
uint32_t len = (rx_buffer_descriptor[s_rt1020_rxno].length);
mg_tcpip_qwrite(rx_buffer_descriptor[s_rt1020_rxno].buffer, len > 4 ? len - 4 : len, s_ifp);
}
rx_buffer_descriptor[s_rt1020_rxno].control |= BIT(15); // Inform DMA RX is empty
if (++s_rt1020_rxno >= ENET_RXBD_NUM) s_rt1020_rxno = 0;
}