lagopus_result_t
ofp_get_async_request_handle(struct channel *channel,
struct pbuf *pbuf,
struct ofp_header *xid_header,
struct ofp_error *error) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
struct pbuf *send_pbuf = NULL;
/* check params */
if (channel != NULL && pbuf != NULL &&
xid_header != NULL && error != NULL) {
ret = pbuf_plen_check(pbuf, xid_header->length);
if (ret == LAGOPUS_RESULT_OK) {
/* Parse packet. */
ret = ofp_header_handle(channel, pbuf, error);
if (ret == LAGOPUS_RESULT_OK) {
/* dump trace. */
get_async_request_trace(xid_header);
/* Reply send.*/
ret = ofp_get_async_reply_create(channel, &send_pbuf,
xid_header);
if (ret == LAGOPUS_RESULT_OK) {
channel_send_packet(channel, send_pbuf);
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("FAILED (%s).\n", lagopus_error_get_string(ret));
ofp_error_set(error, OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
ret = LAGOPUS_RESULT_OFP_ERROR;
}
if (ret != LAGOPUS_RESULT_OK && send_pbuf != NULL) {
channel_pbuf_list_unget(channel, send_pbuf);
}
} else {
lagopus_msg_warning("bad length.\n");
ofp_error_set(error, OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
ret = LAGOPUS_RESULT_OFP_ERROR;
}
} else {
ret = LAGOPUS_RESULT_INVALID_ARGS;
}
return ret;
}
lagopus_result_t
ofp_set_async_handle(struct channel *channel, struct pbuf *pbuf,
struct ofp_header *xid_header,
struct ofp_error *error) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
struct ofp_async_config async_config;
if (channel != NULL && pbuf != NULL &&
xid_header != NULL && error != NULL) {
ret = pbuf_plen_check(pbuf, xid_header->length);
if (ret == LAGOPUS_RESULT_OK) {
/* Parse packet. */
ret = ofp_async_config_decode(pbuf, &async_config);
if (ret == LAGOPUS_RESULT_OK) {
/* dump trace. */
set_async_trace(&async_config);
/* Copy packet_in_mask, port_status_mask, flow_removed_mask. */
channel_role_mask_set(channel, &async_config);
} else {
lagopus_msg_warning("FAILED : ofp_config_decode (%s).\n",
lagopus_error_get_string(ret));
ofp_error_set(error, OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
ret = LAGOPUS_RESULT_OFP_ERROR;
}
} else {
lagopus_msg_warning("bad length.\n");
ofp_error_set(error, OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
ret = LAGOPUS_RESULT_OFP_ERROR;
}
} else {
ret = LAGOPUS_RESULT_INVALID_ARGS;
}
return ret;
}
/* SEND */
STATIC lagopus_result_t
ofp_packet_in_create(struct packet_in *packet_in,
struct pbuf **pbuf) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
uint16_t miss_send_len;
uint16_t length = 0;
uint16_t remain_length = 0;
uint16_t match_total_len = 0;
uint8_t tmp_version = 0x00;
uint32_t tmp_xid = 0x00;
uint16_t tmp_length = 0;
if (packet_in != NULL && packet_in->data != NULL &&
pbuf != NULL) {
/* alloc */
*pbuf = pbuf_alloc(OFP_PACKET_MAX_SIZE);
if (*pbuf != NULL) {
pbuf_plen_set(*pbuf, OFP_PACKET_MAX_SIZE);
/* set total_len. */
ret = pbuf_length_get(packet_in->data, &length);
if (ret == LAGOPUS_RESULT_OK) {
packet_in->ofp_packet_in.total_len = length;
/* Fill in header. */
/* tmp_* is replaced later. */
ofp_header_set(&packet_in->ofp_packet_in.header, tmp_version,
OFPT_PACKET_IN, tmp_length, tmp_xid);
ret = ofp_packet_in_encode(*pbuf, &packet_in->ofp_packet_in);
if (ret == LAGOPUS_RESULT_OK) {
ret = ofp_match_list_encode(NULL, *pbuf, &packet_in->match_list,
&match_total_len);
if (ret == LAGOPUS_RESULT_OK) {
/* Cut packet. */
remain_length = (uint16_t) pbuf_plen_get(*pbuf);
if (packet_in->ofp_packet_in.buffer_id == OFP_NO_BUFFER) {
miss_send_len = remain_length;
} else {
miss_send_len = packet_in->miss_send_len;
}
if (length < miss_send_len) {
miss_send_len = length;
}
/* exist data */
if (miss_send_len != 0) {
/* add padding */
ret = ofp_padding_add(*pbuf, OFP_PACKET_IN_PAD);
if (ret == LAGOPUS_RESULT_OK) {
/* Cut packet. (remain_length) */
if (miss_send_len + OFP_PACKET_IN_PAD > remain_length) {
miss_send_len = remain_length;
}
if (pbuf_plen_check(*pbuf, miss_send_len) !=
LAGOPUS_RESULT_OK) {
lagopus_msg_warning("FAILED : over data length.\n");
ret = LAGOPUS_RESULT_OUT_OF_RANGE;
} else {
/* copy data. */
ret = pbuf_copy_with_length(*pbuf, packet_in->data,
miss_send_len);
if (ret == LAGOPUS_RESULT_OK) {
pbuf_plen_reset(*pbuf);
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
}
} else {
lagopus_msg_warning("FAILED : over padding length.\n");
}
} else {
ret = LAGOPUS_RESULT_OK;
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("Can't allocate pbuf.\n");
ret = LAGOPUS_RESULT_NO_MEMORY;
}
/* free. */
if (ret != LAGOPUS_RESULT_OK && *pbuf != NULL) {
pbuf_free(*pbuf);
*pbuf = NULL;
}
} else {
ret = LAGOPUS_RESULT_INVALID_ARGS;
}
return ret;
}
