return 0;
}
-void enic_del_mac_address(struct enic *enic, int mac_index)
+int enic_del_mac_address(struct enic *enic, int mac_index)
{
struct rte_eth_dev *eth_dev = enic->rte_dev;
uint8_t *mac_addr = eth_dev->data->mac_addrs[mac_index].addr_bytes;
- if (vnic_dev_del_addr(enic->vdev, mac_addr))
- dev_err(enic, "del mac addr failed\n");
+ return vnic_dev_del_addr(enic->vdev, mac_addr);
}
int enic_set_mac_address(struct enic *enic, uint8_t *mac_addr)
{
unsigned int error_interrupt_enable = 1;
unsigned int error_interrupt_offset = 0;
+ unsigned int rxq_interrupt_enable = 0;
+ unsigned int rxq_interrupt_offset = ENICPMD_RXQ_INTR_OFFSET;
unsigned int index = 0;
unsigned int cq_idx;
struct vnic_rq *data_rq;
+ if (enic->rte_dev->data->dev_conf.intr_conf.rxq)
+ rxq_interrupt_enable = 1;
+
for (index = 0; index < enic->rq_count; index++) {
cq_idx = enic_cq_rq(enic, enic_rte_rq_idx_to_sop_idx(index));
0 /* cq_head */,
0 /* cq_tail */,
1 /* cq_tail_color */,
- 0 /* interrupt_enable */,
+ rxq_interrupt_enable,
1 /* cq_entry_enable */,
0 /* cq_message_enable */,
- 0 /* interrupt offset */,
+ rxq_interrupt_offset,
0 /* cq_message_addr */);
+ if (rxq_interrupt_enable)
+ rxq_interrupt_offset++;
}
for (index = 0; index < enic->wq_count; index++) {
enic_cq_wq(enic, index),
error_interrupt_enable,
error_interrupt_offset);
+ /* Compute unsupported ol flags for enic_prep_pkts() */
+ enic->wq[index].tx_offload_notsup_mask =
+ PKT_TX_OFFLOAD_MASK ^ enic->tx_offload_mask;
cq_idx = enic_cq_wq(enic, index);
vnic_cq_init(&enic->cq[cq_idx],
(u64)enic->wq[index].cqmsg_rz->iova);
}
- vnic_intr_init(&enic->intr,
- enic->config.intr_timer_usec,
- enic->config.intr_timer_type,
- /*mask_on_assertion*/1);
+ for (index = 0; index < enic->intr_count; index++) {
+ vnic_intr_init(&enic->intr[index],
+ enic->config.intr_timer_usec,
+ enic->config.intr_timer_type,
+ /*mask_on_assertion*/1);
+ }
}
rq->ring.desc_count);
/*
- * If *not* using scatter and the mbuf size is smaller than the
+ * If *not* using scatter and the mbuf size is greater than the
* requested max packet size (max_rx_pkt_len), then reduce the
* posted buffer size to max_rx_pkt_len. HW still receives packets
* larger than max_rx_pkt_len, but they will be truncated, which we
rq_buf_len);
rq->mbuf_ring[i] = mb;
}
+ /*
+ * Do not post the buffers to the NIC until we enable the RQ via
+ * enic_start_rq().
+ */
+ rq->need_initial_post = true;
+ return 0;
+}
+
+/*
+ * Post the Rx buffers for the first time. enic_alloc_rx_queue_mbufs() has
+ * allocated the buffers and filled the RQ descriptor ring. Just need to push
+ * the post index to the NIC.
+ */
+static void
+enic_initial_post_rx(struct enic *enic, struct vnic_rq *rq)
+{
+ if (!rq->in_use || !rq->need_initial_post)
+ return;
/* make sure all prior writes are complete before doing the PIO write */
rte_rmb();
iowrite32(rq->posted_index, &rq->ctrl->posted_index);
iowrite32(0, &rq->ctrl->fetch_index);
rte_rmb();
-
- return 0;
-
+ rq->need_initial_post = false;
}
static void *
struct enic *enic = (struct enic *)priv;
struct enic_memzone_entry *mze;
- rz = rte_memzone_reserve_aligned((const char *)name,
- size, SOCKET_ID_ANY, 0, ENIC_ALIGN);
+ rz = rte_memzone_reserve_aligned((const char *)name, size,
+ SOCKET_ID_ANY, RTE_MEMZONE_IOVA_CONTIG, ENIC_ALIGN);
if (!rz) {
pr_err("%s : Failed to allocate memory requested for %s\n",
__func__, name);
int enic_link_update(struct enic *enic)
{
struct rte_eth_dev *eth_dev = enic->rte_dev;
- int ret;
- int link_status = 0;
+ struct rte_eth_link link;
- link_status = enic_get_link_status(enic);
- ret = (link_status == enic->link_status);
- enic->link_status = link_status;
- eth_dev->data->dev_link.link_status = link_status;
- eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
- eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
- return ret;
+ memset(&link, 0, sizeof(link));
+ link.link_status = enic_get_link_status(enic);
+ link.link_duplex = ETH_LINK_FULL_DUPLEX;
+ link.link_speed = vnic_dev_port_speed(enic->vdev);
+
+ return rte_eth_linkstatus_set(eth_dev, &link);
}
static void
struct rte_eth_dev *dev = (struct rte_eth_dev *)arg;
struct enic *enic = pmd_priv(dev);
- vnic_intr_return_all_credits(&enic->intr);
+ vnic_intr_return_all_credits(&enic->intr[ENICPMD_LSC_INTR_OFFSET]);
enic_link_update(enic);
_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
enic_log_q_error(enic);
}
+static int enic_rxq_intr_init(struct enic *enic)
+{
+ struct rte_intr_handle *intr_handle;
+ uint32_t rxq_intr_count, i;
+ int err;
+
+ intr_handle = enic->rte_dev->intr_handle;
+ if (!enic->rte_dev->data->dev_conf.intr_conf.rxq)
+ return 0;
+ /*
+ * Rx queue interrupts only work when we have MSI-X interrupts,
+ * one per queue. Sharing one interrupt is technically
+ * possible with VIC, but it is not worth the complications it brings.
+ */
+ if (!rte_intr_cap_multiple(intr_handle)) {
+ dev_err(enic, "Rx queue interrupts require MSI-X interrupts"
+ " (vfio-pci driver)\n");
+ return -ENOTSUP;
+ }
+ rxq_intr_count = enic->intr_count - ENICPMD_RXQ_INTR_OFFSET;
+ err = rte_intr_efd_enable(intr_handle, rxq_intr_count);
+ if (err) {
+ dev_err(enic, "Failed to enable event fds for Rx queue"
+ " interrupts\n");
+ return err;
+ }
+ intr_handle->intr_vec = rte_zmalloc("enic_intr_vec",
+ rxq_intr_count * sizeof(int), 0);
+ if (intr_handle->intr_vec == NULL) {
+ dev_err(enic, "Failed to allocate intr_vec\n");
+ return -ENOMEM;
+ }
+ for (i = 0; i < rxq_intr_count; i++)
+ intr_handle->intr_vec[i] = i + ENICPMD_RXQ_INTR_OFFSET;
+ return 0;
+}
+
+static void enic_rxq_intr_deinit(struct enic *enic)
+{
+ struct rte_intr_handle *intr_handle;
+
+ intr_handle = enic->rte_dev->intr_handle;
+ rte_intr_efd_disable(intr_handle);
+ if (intr_handle->intr_vec != NULL) {
+ rte_free(intr_handle->intr_vec);
+ intr_handle->intr_vec = NULL;
+ }
+}
+
int enic_enable(struct enic *enic)
{
unsigned int index;
if (eth_dev->data->dev_conf.intr_conf.lsc)
vnic_dev_notify_set(enic->vdev, 0);
+ err = enic_rxq_intr_init(enic);
+ if (err)
+ return err;
if (enic_clsf_init(enic))
dev_warning(enic, "Init of hash table for clsf failed."\
"Flow director feature will not work\n");
enic_intr_handler, (void *)enic->rte_dev);
rte_intr_enable(&(enic->pdev->intr_handle));
- vnic_intr_unmask(&enic->intr);
+ /* Unmask LSC interrupt */
+ vnic_intr_unmask(&enic->intr[ENICPMD_LSC_INTR_OFFSET]);
return 0;
}
int enic_alloc_intr_resources(struct enic *enic)
{
int err;
+ unsigned int i;
dev_info(enic, "vNIC resources used: "\
"wq %d rq %d cq %d intr %d\n",
enic->wq_count, enic_vnic_rq_count(enic),
enic->cq_count, enic->intr_count);
- err = vnic_intr_alloc(enic->vdev, &enic->intr, 0);
- if (err)
- enic_free_vnic_resources(enic);
-
- return err;
+ for (i = 0; i < enic->intr_count; i++) {
+ err = vnic_intr_alloc(enic->vdev, &enic->intr[i], i);
+ if (err) {
+ enic_free_vnic_resources(enic);
+ return err;
+ }
+ }
+ return 0;
}
void enic_free_rq(void *rxq)
rq_data = &enic->rq[rq_sop->data_queue_idx];
struct rte_eth_dev *eth_dev = enic->rte_dev;
- if (rq_data->in_use)
+ if (rq_data->in_use) {
vnic_rq_enable(rq_data);
+ enic_initial_post_rx(enic, rq_data);
+ }
rte_mb();
vnic_rq_enable(rq_sop);
+ enic_initial_post_rx(enic, rq_sop);
eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
}
* See enic_alloc_rx_queue_mbufs().
*/
if (max_rx_pkt_len <
- enic_mtu_to_max_rx_pktlen(enic->rte_dev->data->mtu)) {
+ enic_mtu_to_max_rx_pktlen(enic->max_mtu)) {
dev_warning(enic, "rxmode.max_rx_pkt_len is ignored"
" when scatter rx mode is in use.\n");
}
instance++);
wq->cqmsg_rz = rte_memzone_reserve_aligned((const char *)name,
- sizeof(uint32_t),
- SOCKET_ID_ANY, 0,
- ENIC_ALIGN);
+ sizeof(uint32_t), SOCKET_ID_ANY,
+ RTE_MEMZONE_IOVA_CONTIG, ENIC_ALIGN);
if (!wq->cqmsg_rz)
return -ENOMEM;
unsigned int i;
int err;
- vnic_intr_mask(&enic->intr);
- (void)vnic_intr_masked(&enic->intr); /* flush write */
+ for (i = 0; i < enic->intr_count; i++) {
+ vnic_intr_mask(&enic->intr[i]);
+ (void)vnic_intr_masked(&enic->intr[i]); /* flush write */
+ }
+ enic_rxq_intr_deinit(enic);
rte_intr_disable(&enic->pdev->intr_handle);
rte_intr_callback_unregister(&enic->pdev->intr_handle,
enic_intr_handler,
vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
for (i = 0; i < enic->cq_count; i++)
vnic_cq_clean(&enic->cq[i]);
- vnic_intr_clean(&enic->intr);
+ for (i = 0; i < enic->intr_count; i++)
+ vnic_intr_clean(&enic->intr[i]);
return 0;
}
static int enic_dev_open(struct enic *enic)
{
int err;
+ int flags = CMD_OPENF_IG_DESCCACHE;
err = enic_dev_wait(enic->vdev, vnic_dev_open,
- vnic_dev_open_done, 0);
+ vnic_dev_open_done, flags);
if (err)
dev_err(enic_get_dev(enic),
"vNIC device open failed, err %d\n", err);
(eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) &&
rss_hf != 0) {
rss_enable = 1;
- if (rss_hf & ETH_RSS_IPV4)
+ if (rss_hf & (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 |
+ ETH_RSS_NONFRAG_IPV4_OTHER))
rss_hash_type |= NIC_CFG_RSS_HASH_TYPE_IPV4;
if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
rss_hash_type |= NIC_CFG_RSS_HASH_TYPE_TCP_IPV4;
- if (rss_hf & ETH_RSS_IPV6)
+ if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) {
+ rss_hash_type |= NIC_CFG_RSS_HASH_TYPE_UDP_IPV4;
+ if (ENIC_SETTING(enic, RSSHASH_UDP_WEAK)) {
+ /*
+ * 'TCP' is not a typo. The "weak" version of
+ * UDP RSS requires both the TCP and UDP bits
+ * be set. It does enable TCP RSS as well.
+ */
+ rss_hash_type |= NIC_CFG_RSS_HASH_TYPE_TCP_IPV4;
+ }
+ }
+ if (rss_hf & (ETH_RSS_IPV6 | ETH_RSS_IPV6_EX |
+ ETH_RSS_FRAG_IPV6 | ETH_RSS_NONFRAG_IPV6_OTHER))
rss_hash_type |= NIC_CFG_RSS_HASH_TYPE_IPV6;
- if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
+ if (rss_hf & (ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_IPV6_TCP_EX))
rss_hash_type |= NIC_CFG_RSS_HASH_TYPE_TCP_IPV6;
- if (rss_hf & ETH_RSS_IPV6_EX)
- rss_hash_type |= NIC_CFG_RSS_HASH_TYPE_IPV6_EX;
- if (rss_hf & ETH_RSS_IPV6_TCP_EX)
- rss_hash_type |= NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX;
+ if (rss_hf & (ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_IPV6_UDP_EX)) {
+ rss_hash_type |= NIC_CFG_RSS_HASH_TYPE_UDP_IPV6;
+ if (ENIC_SETTING(enic, RSSHASH_UDP_WEAK))
+ rss_hash_type |= NIC_CFG_RSS_HASH_TYPE_TCP_IPV6;
+ }
} else {
rss_enable = 0;
rss_hf = 0;
rte_free(eth_dev->data->mac_addrs);
rte_free(enic->cq);
+ rte_free(enic->intr);
rte_free(enic->rq);
rte_free(enic->wq);
}
{
struct rte_eth_dev *eth_dev = enic->rte_dev;
int rc = 0;
- unsigned int required_rq, required_wq, required_cq;
+ unsigned int required_rq, required_wq, required_cq, required_intr;
/* Always use two vNIC RQs per eth_dev RQ, regardless of Rx scatter. */
required_rq = eth_dev->data->nb_rx_queues * 2;
required_wq = eth_dev->data->nb_tx_queues;
required_cq = eth_dev->data->nb_rx_queues + eth_dev->data->nb_tx_queues;
+ required_intr = 1; /* 1 for LSC even if intr_conf.lsc is 0 */
+ if (eth_dev->data->dev_conf.intr_conf.rxq) {
+ required_intr += eth_dev->data->nb_rx_queues;
+ }
if (enic->conf_rq_count < required_rq) {
dev_err(dev, "Not enough Receive queues. Requested:%u which uses %d RQs on VIC, Configured:%u\n",
required_cq, enic->conf_cq_count);
rc = -EINVAL;
}
+ if (enic->conf_intr_count < required_intr) {
+ dev_err(dev, "Not enough Interrupts to support Rx queue"
+ " interrupts. Required:%u, Configured:%u\n",
+ required_intr, enic->conf_intr_count);
+ rc = -EINVAL;
+ }
if (rc == 0) {
enic->rq_count = eth_dev->data->nb_rx_queues;
enic->wq_count = eth_dev->data->nb_tx_queues;
enic->cq_count = enic->rq_count + enic->wq_count;
+ enic->intr_count = required_intr;
}
return rc;
"MTU (%u) is greater than value configured in NIC (%u)\n",
new_mtu, config_mtu);
- /* The easy case is when scatter is disabled. However if the MTU
- * becomes greater than the mbuf data size, packet drops will ensue.
+ /* Update the MTU and maximum packet length */
+ eth_dev->data->mtu = new_mtu;
+ eth_dev->data->dev_conf.rxmode.max_rx_pkt_len =
+ enic_mtu_to_max_rx_pktlen(new_mtu);
+
+ /*
+ * If the device has not started (enic_enable), nothing to do.
+ * Later, enic_enable() will set up RQs reflecting the new maximum
+ * packet length.
*/
- if (!(enic->rte_dev->data->dev_conf.rxmode.offloads &
- DEV_RX_OFFLOAD_SCATTER)) {
- eth_dev->data->mtu = new_mtu;
+ if (!eth_dev->data->dev_started)
goto set_mtu_done;
- }
- /* Rx scatter is enabled so reconfigure RQ's on the fly. The point is to
- * change Rx scatter mode if necessary for better performance. I.e. if
- * MTU was greater than the mbuf size and now it's less, scatter Rx
- * doesn't have to be used and vice versa.
- */
+ /*
+ * The device has started, re-do RQs on the fly. In the process, we
+ * pick up the new maximum packet length.
+ *
+ * Some applications rely on the ability to change MTU without stopping
+ * the device. So keep this behavior for now.
+ */
rte_spinlock_lock(&enic->mtu_lock);
/* Stop traffic on all RQs */
/* now it is safe to reconfigure the RQs */
- /* update the mtu */
- eth_dev->data->mtu = new_mtu;
/* free and reallocate RQs with the new MTU */
for (rq_idx = 0; rq_idx < enic->rq_count; rq_idx++) {
rq = &enic->rq[enic_rte_rq_idx_to_sop_idx(rq_idx)];
+ if (!rq->in_use)
+ continue;
enic_free_rq(rq);
rc = enic_alloc_rq(enic, rq_idx, rq->socket_id, rq->mp,
/* Queue counts may be zeros. rte_zmalloc returns NULL in that case. */
enic->cq = rte_zmalloc("enic_vnic_cq", sizeof(struct vnic_cq) *
enic->conf_cq_count, 8);
+ enic->intr = rte_zmalloc("enic_vnic_intr", sizeof(struct vnic_intr) *
+ enic->conf_intr_count, 8);
enic->rq = rte_zmalloc("enic_vnic_rq", sizeof(struct vnic_rq) *
enic->conf_rq_count, 8);
enic->wq = rte_zmalloc("enic_vnic_wq", sizeof(struct vnic_wq) *
dev_err(enic, "failed to allocate vnic_cq, aborting.\n");
return -1;
}
+ if (enic->conf_intr_count > 0 && enic->intr == NULL) {
+ dev_err(enic, "failed to allocate vnic_intr, aborting.\n");
+ return -1;
+ }
if (enic->conf_rq_count > 0 && enic->rq == NULL) {
dev_err(enic, "failed to allocate vnic_rq, aborting.\n");
return -1;
/* set up link status checking */
vnic_dev_notify_set(enic->vdev, -1); /* No Intr for notify */
+ enic->overlay_offload = false;
+ if (!enic->disable_overlay && enic->vxlan &&
+ /* 'VXLAN feature' enables VXLAN, NVGRE, and GENEVE. */
+ vnic_dev_overlay_offload_ctrl(enic->vdev,
+ OVERLAY_FEATURE_VXLAN,
+ OVERLAY_OFFLOAD_ENABLE) == 0) {
+ enic->tx_offload_capa |=
+ DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
+ DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
+ /*
+ * Do not add PKT_TX_OUTER_{IPV4,IPV6} as they are not
+ * 'offload' flags (i.e. not part of PKT_TX_OFFLOAD_MASK).
+ */
+ enic->tx_offload_mask |=
+ PKT_TX_OUTER_IP_CKSUM |
+ PKT_TX_TUNNEL_MASK;
+ enic->overlay_offload = true;
+ dev_info(enic, "Overlay offload is enabled\n");
+ }
+
return 0;
}
enic_alloc_consistent,
enic_free_consistent);
+ /*
+ * Allocate the consistent memory for stats upfront so both primary and
+ * secondary processes can dump stats.
+ */
+ err = vnic_dev_alloc_stats_mem(enic->vdev);
+ if (err) {
+ dev_err(enic, "Failed to allocate cmd memory, aborting\n");
+ goto err_out_unregister;
+ }
/* Issue device open to get device in known state */
err = enic_dev_open(enic);
if (err) {
git.droids-corp.org / dpdk.git / blobdiff