diff --git a/src/transport/transport.c b/src/transport/transport.c
new file mode 100644
index 0000000..0681e23
--- /dev/null
+++ b/src/transport/transport.c
@@ -0,0 +1,130 @@
+#include "libpldm/transport.h"
+#include "base.h"
+#include "libpldm/requester/pldm.h"
+#include "transport.h"
+
+#ifdef PLDM_HAS_POLL
+#include <poll.h>
+#endif
+#include <stdlib.h>
+#include <unistd.h>
+
+#ifndef PLDM_HAS_POLL
+struct pollfd {
+	int fd;	       /* file descriptor */
+	short events;  /* requested events */
+	short revents; /* returned events */
+};
+
+static inline int poll(struct pollfd *fds __attribute__((unused)),
+		       int nfds __attribute__((unused)),
+		       int timeout __attribute__((unused)))
+{
+	return 0;
+}
+#endif
+
+pldm_requester_rc_t pldm_transport_poll(struct pldm_transport *transport,
+					int timeout)
+{
+	struct pollfd pollfd;
+	int rc = 0;
+	if (!transport) {
+		return PLDM_REQUESTER_INVALID_SETUP;
+	}
+	if (!transport->init_pollfd) {
+		return PLDM_REQUESTER_SUCCESS;
+	}
+
+	transport->init_pollfd(transport, &pollfd);
+	rc = poll(&pollfd, 1, timeout);
+	if (rc < 0) {
+		return PLDM_REQUESTER_POLL_FAIL;
+	}
+
+	return PLDM_REQUESTER_SUCCESS;
+}
+
+pldm_requester_rc_t pldm_transport_send_msg(struct pldm_transport *transport,
+					    pldm_tid_t tid,
+					    const void *pldm_req_msg,
+					    size_t req_msg_len)
+{
+	if (!transport || !pldm_req_msg) {
+		return PLDM_REQUESTER_INVALID_SETUP;
+	}
+
+	if (req_msg_len < sizeof(struct pldm_msg_hdr)) {
+		return PLDM_REQUESTER_NOT_REQ_MSG;
+	}
+
+	const struct pldm_msg_hdr *hdr = pldm_req_msg;
+	if (!hdr->request) {
+		return PLDM_REQUESTER_NOT_REQ_MSG;
+	}
+
+	return transport->send(transport, tid, pldm_req_msg, req_msg_len);
+}
+
+pldm_requester_rc_t pldm_transport_recv_msg(struct pldm_transport *transport,
+					    pldm_tid_t tid,
+					    void **pldm_resp_msg,
+					    size_t *resp_msg_len)
+{
+	if (!transport || !resp_msg_len) {
+		return PLDM_REQUESTER_INVALID_SETUP;
+	}
+
+	pldm_requester_rc_t rc =
+	    transport->recv(transport, tid, pldm_resp_msg, resp_msg_len);
+	if (rc != PLDM_REQUESTER_SUCCESS) {
+		return rc;
+	}
+
+	struct pldm_msg_hdr *hdr = *pldm_resp_msg;
+	if (hdr->request || hdr->datagram) {
+		free(*pldm_resp_msg);
+		*pldm_resp_msg = NULL;
+		return PLDM_REQUESTER_NOT_RESP_MSG;
+	}
+
+	uint8_t pldm_rc = 0;
+	if (*resp_msg_len < (sizeof(struct pldm_msg_hdr) + sizeof(pldm_rc))) {
+		free(*pldm_resp_msg);
+		*pldm_resp_msg = NULL;
+		return PLDM_REQUESTER_RESP_MSG_TOO_SMALL;
+	}
+
+	return PLDM_REQUESTER_SUCCESS;
+}
+
+pldm_requester_rc_t
+pldm_transport_send_recv_msg(struct pldm_transport *transport, pldm_tid_t tid,
+			     const void *pldm_req_msg, size_t req_msg_len,
+			     void **pldm_resp_msg, size_t *resp_msg_len)
+
+{
+	if (!resp_msg_len) {
+		return PLDM_REQUESTER_INVALID_SETUP;
+	}
+
+	pldm_requester_rc_t rc =
+	    pldm_transport_send_msg(transport, tid, pldm_req_msg, req_msg_len);
+	if (rc != PLDM_REQUESTER_SUCCESS) {
+		return rc;
+	}
+
+	while (1) {
+		rc = pldm_transport_poll(transport, -1);
+		if (rc != PLDM_REQUESTER_SUCCESS) {
+			break;
+		}
+		rc = pldm_transport_recv_msg(transport, tid, pldm_resp_msg,
+					     resp_msg_len);
+		if (rc == PLDM_REQUESTER_SUCCESS) {
+			break;
+		}
+	}
+
+	return rc;
+}