20 lines
427 B
C
20 lines
427 B
C
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#include <string.h>
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#include "capwap.h"
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#include "conn.h"
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#include "cwmsg.h"
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void cwmsg_addelem_mtu_discovery_padding(struct cwmsg * msg, struct conn* conn)
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{
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int len = conn->mtu - (msg->msgelems-msg->buffer+msg->pos)-4;
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if (len < 0 )
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return;
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uint32_t val = CWMSGELEM_MTU_DISCOVERY_PADDING<<16|len;
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*((uint32_t*)(msg->msgelems+msg->pos))=htonl(val);
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memset(msg->msgelems+4+msg->pos,0xff,len);
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msg->pos+=4+len;
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}
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