-/*
- * BSD LICENSE
- *
- * Copyright(c) 2017 Cavium, Inc.. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Cavium, Inc. nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Cavium, Inc
*/
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_ethdev_pci.h>
#include <rte_cycles.h>
#include <rte_malloc.h>
#include "lio_ethdev.h"
#include "lio_rxtx.h"
+int lio_logtype_init;
+int lio_logtype_driver;
+
/* Default RSS key in use */
static uint8_t lio_rss_key[40] = {
0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
fw_mapped_oq = lio_dev->linfo.rxpciq[q_no].s.q_no;
- if ((lio_dev->droq[fw_mapped_oq]) &&
- (num_rx_descs != lio_dev->droq[fw_mapped_oq]->max_count)) {
- lio_dev_err(lio_dev,
- "Reconfiguring Rx descs not supported. Configure descs to same value %u or restart application\n",
- lio_dev->droq[fw_mapped_oq]->max_count);
- return -ENOTSUP;
+ /* Free previous allocation if any */
+ if (eth_dev->data->rx_queues[q_no] != NULL) {
+ lio_dev_rx_queue_release(eth_dev->data->rx_queues[q_no]);
+ eth_dev->data->rx_queues[q_no] = NULL;
}
mbp_priv = rte_mempool_get_priv(mp);
int oq_no;
if (droq) {
- /* Run time queue deletion not supported */
- if (droq->lio_dev->port_configured)
- return;
-
oq_no = droq->q_no;
lio_delete_droq_queue(droq->lio_dev, oq_no);
}
lio_dev_dbg(lio_dev, "setting up tx queue %u\n", q_no);
- if ((lio_dev->instr_queue[fw_mapped_iq] != NULL) &&
- (num_tx_descs != lio_dev->instr_queue[fw_mapped_iq]->max_count)) {
- lio_dev_err(lio_dev,
- "Reconfiguring Tx descs not supported. Configure descs to same value %u or restart application\n",
- lio_dev->instr_queue[fw_mapped_iq]->max_count);
- return -ENOTSUP;
+ /* Free previous allocation if any */
+ if (eth_dev->data->tx_queues[q_no] != NULL) {
+ lio_dev_tx_queue_release(eth_dev->data->tx_queues[q_no]);
+ eth_dev->data->tx_queues[q_no] = NULL;
}
retval = lio_setup_iq(lio_dev, q_no, lio_dev->linfo.txpciq[q_no],
}
retval = lio_setup_sglists(lio_dev, q_no, fw_mapped_iq,
- lio_dev->instr_queue[fw_mapped_iq]->max_count,
+ lio_dev->instr_queue[fw_mapped_iq]->nb_desc,
socket_id);
if (retval) {
if (tq) {
- /* Run time queue deletion not supported */
- if (tq->lio_dev->port_configured)
- return;
-
/* Free sg_list */
lio_delete_sglist(tq);
lio_send_rx_ctrl_cmd(eth_dev, 0);
+ lio_wait_for_instr_fetch(lio_dev);
+
/* Clear recorded link status */
lio_dev->linfo.link.link_status64 = 0;
}
lio_dev_close(struct rte_eth_dev *eth_dev)
{
struct lio_device *lio_dev = LIO_DEV(eth_dev);
- uint32_t i;
lio_dev_info(lio_dev, "closing port %d\n", eth_dev->data->port_id);
if (lio_dev->intf_open)
lio_dev_stop(eth_dev);
- lio_wait_for_instr_fetch(lio_dev);
-
- lio_dev->fn_list.disable_io_queues(lio_dev);
-
- cn23xx_vf_set_io_queues_off(lio_dev);
-
- /* Reset iq regs (IQ_DBELL).
- * Clear sli_pktx_cnts (OQ_PKTS_SENT).
- */
- for (i = 0; i < lio_dev->nb_rx_queues; i++) {
- struct lio_droq *droq = lio_dev->droq[i];
-
- if (droq == NULL)
- break;
-
- uint32_t pkt_count = rte_read32(droq->pkts_sent_reg);
-
- lio_dev_dbg(lio_dev,
- "pending oq count %u\n", pkt_count);
- rte_write32(pkt_count, droq->pkts_sent_reg);
- }
+ /* Reset ioq regs */
+ lio_dev->fn_list.setup_device_regs(lio_dev);
if (lio_dev->pci_dev->kdrv == RTE_KDRV_IGB_UIO) {
cn23xx_vf_ask_pf_to_do_flr(lio_dev);
lio_dev_err(lio_dev, "TNL_TX_CSUM command timed out\n");
}
-static int lio_dev_configure(struct rte_eth_dev *eth_dev)
+static int
+lio_send_queue_count_update(struct rte_eth_dev *eth_dev, int num_txq,
+ int num_rxq)
+{
+ struct lio_device *lio_dev = LIO_DEV(eth_dev);
+ struct lio_dev_ctrl_cmd ctrl_cmd;
+ struct lio_ctrl_pkt ctrl_pkt;
+
+ if (strcmp(lio_dev->firmware_version, LIO_Q_RECONF_MIN_VERSION) < 0) {
+ lio_dev_err(lio_dev, "Require firmware version >= %s\n",
+ LIO_Q_RECONF_MIN_VERSION);
+ return -ENOTSUP;
+ }
+
+ /* flush added to prevent cmd failure
+ * incase the queue is full
+ */
+ lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+ memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+ memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+ ctrl_cmd.eth_dev = eth_dev;
+ ctrl_cmd.cond = 0;
+
+ ctrl_pkt.ncmd.s.cmd = LIO_CMD_QUEUE_COUNT_CTL;
+ ctrl_pkt.ncmd.s.param1 = num_txq;
+ ctrl_pkt.ncmd.s.param2 = num_rxq;
+ ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+ if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+ lio_dev_err(lio_dev, "Failed to send queue count control command\n");
+ return -1;
+ }
+
+ if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
+ lio_dev_err(lio_dev, "Queue count control command timed out\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+lio_reconf_queues(struct rte_eth_dev *eth_dev, int num_txq, int num_rxq)
+{
+ struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+ if (lio_dev->nb_rx_queues != num_rxq ||
+ lio_dev->nb_tx_queues != num_txq) {
+ if (lio_send_queue_count_update(eth_dev, num_txq, num_rxq))
+ return -1;
+ lio_dev->nb_rx_queues = num_rxq;
+ lio_dev->nb_tx_queues = num_txq;
+ }
+
+ if (lio_dev->intf_open)
+ lio_dev_stop(eth_dev);
+
+ /* Reset ioq registers */
+ if (lio_dev->fn_list.setup_device_regs(lio_dev)) {
+ lio_dev_err(lio_dev, "Failed to configure device registers\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+lio_dev_configure(struct rte_eth_dev *eth_dev)
{
struct lio_device *lio_dev = LIO_DEV(eth_dev);
uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
PMD_INIT_FUNC_TRACE();
- /* Re-configuring firmware not supported.
- * Can't change tx/rx queues per port from initial value.
+ /* Inform firmware about change in number of queues to use.
+ * Disable IO queues and reset registers for re-configuration.
*/
- if (lio_dev->port_configured) {
- if ((lio_dev->nb_rx_queues != eth_dev->data->nb_rx_queues) ||
- (lio_dev->nb_tx_queues != eth_dev->data->nb_tx_queues)) {
- lio_dev_err(lio_dev,
- "rxq/txq re-conf not supported. Restart application with new value.\n");
- return -ENOTSUP;
- }
- return 0;
- }
+ if (lio_dev->port_configured)
+ return lio_reconf_queues(eth_dev,
+ eth_dev->data->nb_tx_queues,
+ eth_dev->data->nb_rx_queues);
lio_dev->nb_rx_queues = eth_dev->data->nb_rx_queues;
lio_dev->nb_tx_queues = eth_dev->data->nb_tx_queues;
+ /* Set max number of queues which can be re-configured. */
+ lio_dev->max_rx_queues = eth_dev->data->nb_rx_queues;
+ lio_dev->max_tx_queues = eth_dev->data->nb_tx_queues;
+
resp_size = sizeof(struct lio_if_cfg_resp);
sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
if (sc == NULL)
lio_free_soft_command(sc);
- /* Disable iq_0 for reconf */
- lio_dev->fn_list.disable_io_queues(lio_dev);
-
/* Reset ioq regs */
lio_dev->fn_list.setup_device_regs(lio_dev);
rte_delay_ms(LIO_PCI_FLR_WAIT * 2);
}
- if (cn23xx_vf_set_io_queues_off(lio_dev)) {
- lio_dev_err(lio_dev, "Setting io queues off failed\n");
- goto error;
- }
-
if (lio_dev->fn_list.setup_device_regs(lio_dev)) {
lio_dev_err(lio_dev, "Failed to configure device registers\n");
goto error;
RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd);
RTE_PMD_REGISTER_PCI_TABLE(net_liovf, pci_id_liovf_map);
RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio-pci");
+
+RTE_INIT(lio_init_log);
+static void
+lio_init_log(void)
+{
+ lio_logtype_init = rte_log_register("pmd.net.liquidio.init");
+ if (lio_logtype_init >= 0)
+ rte_log_set_level(lio_logtype_init, RTE_LOG_NOTICE);
+ lio_logtype_driver = rte_log_register("pmd.net.liquidio.driver");
+ if (lio_logtype_driver >= 0)
+ rte_log_set_level(lio_logtype_driver, RTE_LOG_NOTICE);
+}
Code Review / deb_dpdk.git / blobdiff