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[nsapi] Add support for NSAPI_REUSEADDR to the lwip interface #2440

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Merged
merged 1 commit into from
Aug 19, 2016
Merged

[nsapi] Add support for NSAPI_REUSEADDR to the lwip interface #2440

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13 changes: 13 additions & 0 deletions features/net/FEATURE_IPV4/lwip-interface/lwip_stack.c
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
#include "lwip/dhcp.h"
#include "lwip/tcpip.h"
#include "lwip/tcp.h"
#include "lwip/ip.h"


/* Static arena of sockets */
Expand Down Expand Up @@ -415,6 +416,18 @@ static int lwip_setsockopt(nsapi_stack_t *stack, nsapi_socket_t handle, int leve
s->conn->pcb.tcp->keep_intvl = *(int*)optval;
return 0;

case NSAPI_REUSEADDR:
if (optlen != sizeof(int)) {
return NSAPI_ERROR_UNSUPPORTED;
}

if (*(int *)optval) {
s->conn->pcb.tcp->so_options |= SOF_REUSEADDR;
} else {
s->conn->pcb.tcp->so_options &= ~SOF_REUSEADDR;
}
return 0;

default:
return NSAPI_ERROR_UNSUPPORTED;
}
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2 changes: 2 additions & 0 deletions features/net/FEATURE_IPV4/lwip-interface/lwipopts.h
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,8 @@
#define LWIP_DHCP 1
#define LWIP_DNS 1

#define SO_REUSE 1

// Support Multicast
#include "stdlib.h"
#define LWIP_IGMP 1
Expand Down