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Lock LWIP before p-net linkoutput call #550

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merged 1 commit into from
May 22, 2023
Merged

Lock LWIP before p-net linkoutput call #550

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7 changes: 7 additions & 0 deletions src/ports/STM32Cube/pnal_eth.c
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Original file line number Diff line number Diff line change
Expand Up @@ -23,9 +23,14 @@

#include <lwip/netif.h>
#include <lwip/apps/snmp_core.h>
#include <lwip/tcpip.h>

#define MAX_NUMBER_OF_IF 1

#if !LWIP_TCPIP_CORE_LOCKING
#error LWIP_TCPIP_CORE_LOCKING must be enabled
#endif

struct pnal_eth_handle
{
struct netif * netif;
Expand Down Expand Up @@ -172,7 +177,9 @@ int pnal_eth_send (pnal_eth_handle_t * handle, pnal_buf_t * buf)
/* TODO: remove tot_len from os_buff */
buf->tot_len = buf->len;

LOCK_TCPIP_CORE();
handle->netif->linkoutput (handle->netif, buf);
UNLOCK_TCPIP_CORE();
ret = buf->len;
}
return ret;
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