*/
#include <rte_ethdev.h>
+#include <rte_ethdev_pci.h>
#include <rte_cycles.h>
#include <rte_malloc.h>
#include <rte_alarm.h>
+#include <rte_ether.h>
#include "lio_logs.h"
#include "lio_23xx_vf.h"
struct rte_eth_dev_info *devinfo)
{
struct lio_device *lio_dev = LIO_DEV(eth_dev);
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+
+ devinfo->pci_dev = pci_dev;
+
+ switch (pci_dev->id.subsystem_device_id) {
+ /* CN23xx 10G cards */
+ case PCI_SUBSYS_DEV_ID_CN2350_210:
+ case PCI_SUBSYS_DEV_ID_CN2360_210:
+ devinfo->speed_capa = ETH_LINK_SPEED_10G;
+ break;
+ /* CN23xx 25G cards */
+ case PCI_SUBSYS_DEV_ID_CN2350_225:
+ case PCI_SUBSYS_DEV_ID_CN2360_225:
+ devinfo->speed_capa = ETH_LINK_SPEED_25G;
+ break;
+ default:
+ lio_dev_err(lio_dev,
+ "Unknown CN23XX subsystem device id. Not setting speed capability.\n");
+ }
devinfo->max_rx_queues = lio_dev->max_rx_queues;
devinfo->max_tx_queues = lio_dev->max_tx_queues;
}
static int
-lio_dev_validate_vf_mtu(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
+lio_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
{
struct lio_device *lio_dev = LIO_DEV(eth_dev);
+ uint16_t pf_mtu = lio_dev->linfo.link.s.mtu;
+ uint32_t frame_len = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+ struct lio_dev_ctrl_cmd ctrl_cmd;
+ struct lio_ctrl_pkt ctrl_pkt;
PMD_INIT_FUNC_TRACE();
if (!lio_dev->intf_open) {
- lio_dev_err(lio_dev, "Port %d down, can't check MTU\n",
+ lio_dev_err(lio_dev, "Port %d down, can't set MTU\n",
lio_dev->port_id);
return -EINVAL;
}
- /* Limit the MTU to make sure the ethernet packets are between
- * ETHER_MIN_MTU bytes and PF's MTU
+ /* check if VF MTU is within allowed range.
+ * New value should not exceed PF MTU.
*/
- if ((new_mtu < ETHER_MIN_MTU) ||
- (new_mtu > lio_dev->linfo.link.s.mtu)) {
- lio_dev_err(lio_dev, "Invalid MTU: %d\n", new_mtu);
- lio_dev_err(lio_dev, "Valid range %d and %d\n",
- ETHER_MIN_MTU, lio_dev->linfo.link.s.mtu);
+ if ((mtu < ETHER_MIN_MTU) || (mtu > pf_mtu)) {
+ lio_dev_err(lio_dev, "VF MTU should be >= %d and <= %d\n",
+ ETHER_MIN_MTU, pf_mtu);
return -EINVAL;
}
+ /* 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_CHANGE_MTU;
+ ctrl_pkt.ncmd.s.param1 = mtu;
+ ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+ if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+ lio_dev_err(lio_dev, "Failed to send command to change MTU\n");
+ return -1;
+ }
+
+ if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
+ lio_dev_err(lio_dev, "Command to change MTU timed out\n");
+ return -1;
+ }
+
+ if (frame_len > ETHER_MAX_LEN)
+ eth_dev->data->dev_conf.rxmode.jumbo_frame = 1;
+ else
+ eth_dev->data->dev_conf.rxmode.jumbo_frame = 0;
+
+ eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_len;
+ eth_dev->data->mtu = mtu;
+
return 0;
}
case LIO_LINK_SPEED_10000:
link.link_speed = ETH_SPEED_NUM_10G;
break;
+ case LIO_LINK_SPEED_25000:
+ link.link_speed = ETH_SPEED_NUM_25G;
+ break;
default:
link.link_speed = ETH_SPEED_NUM_NONE;
link.link_duplex = ETH_LINK_HALF_DUPLEX;
lio_dev_rx_queue_release(void *rxq)
{
struct lio_droq *droq = rxq;
- struct lio_device *lio_dev = droq->lio_dev;
int oq_no;
- /* Run time queue deletion not supported */
- if (lio_dev->port_configured)
- return;
+ if (droq) {
+ /* Run time queue deletion not supported */
+ if (droq->lio_dev->port_configured)
+ return;
- if (droq != NULL) {
oq_no = droq->q_no;
lio_delete_droq_queue(droq->lio_dev, oq_no);
}
lio_dev_tx_queue_release(void *txq)
{
struct lio_instr_queue *tq = txq;
- struct lio_device *lio_dev = tq->lio_dev;
uint32_t fw_mapped_iq_no;
- /* Run time queue deletion not supported */
- if (lio_dev->port_configured)
- return;
- if (tq != NULL) {
+ if (tq) {
+ /* Run time queue deletion not supported */
+ if (tq->lio_dev->port_configured)
+ return;
+
/* Free sg_list */
lio_delete_sglist(tq);
lio_swap_8B_data((uint64_t *)ls, sizeof(union octeon_link_status) >> 3);
if (lio_dev->linfo.link.link_status64 != ls->link_status64) {
+ if (ls->s.mtu < eth_dev->data->mtu) {
+ lio_dev_info(lio_dev, "Lowered VF MTU to %d as PF MTU dropped\n",
+ ls->s.mtu);
+ eth_dev->data->mtu = ls->s.mtu;
+ }
lio_dev->linfo.link.link_status64 = ls->link_status64;
lio_dev_link_update(eth_dev, 0);
}
static int
lio_dev_start(struct rte_eth_dev *eth_dev)
{
- uint16_t mtu = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
+ uint16_t mtu;
+ uint32_t frame_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
struct lio_device *lio_dev = LIO_DEV(eth_dev);
uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
int ret = 0;
if (lio_dev->linfo.link.link_status64 == 0) {
ret = -1;
- goto dev_mtu_check_error;
+ goto dev_mtu_set_error;
}
- if (lio_dev->linfo.link.s.mtu != mtu) {
- ret = lio_dev_validate_vf_mtu(eth_dev, mtu);
+ mtu = (uint16_t)(frame_len - ETHER_HDR_LEN - ETHER_CRC_LEN);
+ if (mtu < ETHER_MIN_MTU)
+ mtu = ETHER_MIN_MTU;
+
+ if (eth_dev->data->mtu != mtu) {
+ ret = lio_dev_mtu_set(eth_dev, mtu);
if (ret)
- goto dev_mtu_check_error;
+ goto dev_mtu_set_error;
}
return 0;
-dev_mtu_check_error:
+dev_mtu_set_error:
rte_eal_alarm_cancel(lio_sync_link_state_check, eth_dev);
dev_lsc_handle_error:
rte_write32(pkt_count, droq->pkts_sent_reg);
}
- /* Do FLR for the VF */
- cn23xx_vf_ask_pf_to_do_flr(lio_dev);
-
/* lio_free_mbox */
lio_dev->fn_list.free_mbox(lio_dev);
.rss_hash_update = lio_dev_rss_hash_update,
.udp_tunnel_port_add = lio_dev_udp_tunnel_add,
.udp_tunnel_port_del = lio_dev_udp_tunnel_del,
+ .mtu_set = lio_dev_mtu_set,
};
static void
if (cn23xx_pfvf_handshake(lio_dev))
goto error;
- /* Initial reset */
- cn23xx_vf_ask_pf_to_do_flr(lio_dev);
- /* Wait for FLR for 100ms per SRIOV specification */
- rte_delay_ms(100);
-
if (cn23xx_vf_set_io_queues_off(lio_dev)) {
lio_dev_err(lio_dev, "Setting io queues off failed\n");
goto error;
static int
lio_eth_dev_init(struct rte_eth_dev *eth_dev)
{
- struct rte_pci_device *pdev = RTE_DEV_TO_PCI(eth_dev->device);
+ struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(eth_dev);
struct lio_device *lio_dev = LIO_DEV(eth_dev);
PMD_INIT_FUNC_TRACE();
return 0;
}
+static int
+lio_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+ struct rte_pci_device *pci_dev)
+{
+ struct rte_eth_dev *eth_dev;
+ int ret;
+
+ eth_dev = rte_eth_dev_pci_allocate(pci_dev,
+ sizeof(struct lio_device));
+ if (eth_dev == NULL)
+ return -ENOMEM;
+
+ ret = lio_eth_dev_init(eth_dev);
+ if (ret)
+ rte_eth_dev_pci_release(eth_dev);
+
+ return ret;
+}
+
+static int
+lio_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_remove(pci_dev,
+ lio_eth_dev_uninit);
+}
+
/* Set of PCI devices this driver supports */
static const struct rte_pci_id pci_id_liovf_map[] = {
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_VF_VID) },
{ .vendor_id = 0, /* sentinel */ }
};
-static struct eth_driver rte_liovf_pmd = {
- .pci_drv = {
- .id_table = pci_id_liovf_map,
- .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
- .probe = rte_eth_dev_pci_probe,
- .remove = rte_eth_dev_pci_remove,
- },
- .eth_dev_init = lio_eth_dev_init,
- .eth_dev_uninit = lio_eth_dev_uninit,
- .dev_private_size = sizeof(struct lio_device),
+static struct rte_pci_driver rte_liovf_pmd = {
+ .id_table = pci_id_liovf_map,
+ .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
+ .probe = lio_eth_dev_pci_probe,
+ .remove = lio_eth_dev_pci_remove,
};
-RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd.pci_drv);
+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");
+RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio-pci");