static int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
uint16_t queue_idx, uint16_t nb_desc,
unsigned int socket_id,
const struct rte_eth_txconf *tx_conf)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
struct sge *s = &adapter->sge;
struct sge_eth_txq *txq = &s->ethtxq[pi->first_qset + queue_idx];
int err = 0;
unsigned int temp_nb_desc;
RTE_SET_USED(tx_conf);
dev_debug(adapter, "%s: eth_dev->data->nb_tx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; pi->first_qset = %u\n",
__func__, eth_dev->data->nb_tx_queues, queue_idx, nb_desc,
socket_id, pi->first_qset);
/* Free up the existing queue */
if (eth_dev->data->tx_queues[queue_idx]) {
cxgbe_dev_tx_queue_release(eth_dev->data->tx_queues[queue_idx]);
eth_dev->data->tx_queues[queue_idx] = NULL;
}
eth_dev->data->tx_queues[queue_idx] = (void *)txq;
/* Sanity Checking
*
* nb_desc should be > 1023 and <= CXGBE_MAX_RING_DESC_SIZE
*/
temp_nb_desc = nb_desc;
if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
__func__, CXGBE_MIN_RING_DESC_SIZE,
CXGBE_DEFAULT_TX_DESC_SIZE);
temp_nb_desc = CXGBE_DEFAULT_TX_DESC_SIZE;
} else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
__func__, CXGBE_MIN_RING_DESC_SIZE,
CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_TX_DESC_SIZE);
return -(EINVAL);
}
txq->q.size = temp_nb_desc;
err = t4_sge_alloc_eth_txq(adapter, txq, eth_dev, queue_idx,
s->fw_evtq.cntxt_id, socket_id);
dev_debug(adapter, "%s: txq->q.cntxt_id= %d err = %d\n",
__func__, txq->q.cntxt_id, err);
return err;
}
static int
enic_alloc_rx_queue_mbufs(struct enic *enic, struct vnic_rq *rq)
{
struct rte_mbuf *mb;
struct rq_enet_desc *rqd = rq->ring.descs;
unsigned i;
dma_addr_t dma_addr;
dev_debug(enic, "queue %u, allocating %u rx queue mbufs\n", rq->index,
rq->ring.desc_count);
for (i = 0; i < rq->ring.desc_count; i++, rqd++) {
mb = rte_rxmbuf_alloc(rq->mp);
if (mb == NULL) {
dev_err(enic, "RX mbuf alloc failed queue_id=%u\n",
(unsigned)rq->index);
return -ENOMEM;
}
dma_addr = (dma_addr_t)(mb->buf_physaddr
+ RTE_PKTMBUF_HEADROOM);
rq_enet_desc_enc(rqd, dma_addr, RQ_ENET_TYPE_ONLY_SOP,
mb->buf_len - RTE_PKTMBUF_HEADROOM);
rq->mbuf_ring[i] = mb;
}
/* make sure all prior writes are complete before doing the PIO write */
rte_rmb();
/* Post all but the last 2 cache lines' worth of descriptors */
rq->posted_index = rq->ring.desc_count - (2 * RTE_CACHE_LINE_SIZE
/ sizeof(struct rq_enet_desc));
rq->rx_nb_hold = 0;
dev_debug(enic, "port=%u, qidx=%u, Write %u posted idx, %u sw held\n",
enic->port_id, rq->index, rq->posted_index, rq->rx_nb_hold);
iowrite32(rq->posted_index, &rq->ctrl->posted_index);
rte_rmb();
return 0;
}
int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
{
int ret;
struct sge_eth_txq *txq = (struct sge_eth_txq *)
(eth_dev->data->tx_queues[tx_queue_id]);
dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
ret = t4_sge_eth_txq_stop(txq);
if (ret == 0)
eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
return ret;
}
static void cxgbe_dev_tx_queue_release(void *q)
{
struct sge_eth_txq *txq = (struct sge_eth_txq *)q;
if (txq) {
struct port_info *pi = (struct port_info *)
(txq->eth_dev->data->dev_private);
struct adapter *adap = pi->adapter;
dev_debug(adapter, "%s: pi->port_id = %d; tx_queue_id = %d\n",
__func__, pi->port_id, txq->q.cntxt_id);
t4_sge_eth_txq_release(adap, txq);
}
}
static void cxgbe_dev_rx_queue_release(void *q)
{
struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)q;
struct sge_rspq *rq = &rxq->rspq;
if (rq) {
struct port_info *pi = (struct port_info *)
(rq->eth_dev->data->dev_private);
struct adapter *adap = pi->adapter;
dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
__func__, pi->port_id, rxq->rspq.cntxt_id);
t4_sge_eth_rxq_release(adap, rxq);
}
}
static void
enic_rxmbuf_queue_release(struct enic *enic, struct vnic_rq *rq)
{
uint16_t i;
if (!rq || !rq->mbuf_ring) {
dev_debug(enic, "Pointer to rq or mbuf_ring is NULL");
return;
}
for (i = 0; i < enic->config.rq_desc_count; i++) {
if (rq->mbuf_ring[i]) {
rte_pktmbuf_free_seg(rq->mbuf_ring[i]);
rq->mbuf_ring[i] = NULL;
}
}
}
static int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
uint16_t rx_queue_id)
{
int ret;
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adap = pi->adapter;
struct sge_rspq *q;
dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
__func__, pi->port_id, rx_queue_id);
q = eth_dev->data->rx_queues[rx_queue_id];
ret = t4_sge_eth_rxq_stop(adap, q);
if (ret == 0)
eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
return ret;
}
/*
* We find out if we support MSI during this, and the register layout
* depends on the MSI (doh). Don't acces the device specific bits in
* BAR 0 before calling it!
*/
int
virtio_register_ints(struct virtio_softc *sc,
struct virtio_int_handler *config_handler,
struct virtio_int_handler vq_handlers[])
{
int ret;
int intr_types;
/* Default offset until MSI-X is enabled, if ever. */
sc->sc_config_offset = VIRTIO_CONFIG_DEVICE_CONFIG_NOMSIX;
/* Determine which types of interrupts are supported */
ret = ddi_intr_get_supported_types(sc->sc_dev, &intr_types);
if (ret != DDI_SUCCESS) {
dev_err(sc->sc_dev, CE_WARN, "Can't get supported int types");
goto out_inttype;
}
/* If we have msi, let's use them. */
if (intr_types & (DDI_INTR_TYPE_MSIX | DDI_INTR_TYPE_MSI)) {
ret = virtio_register_msi(sc, config_handler,
vq_handlers, intr_types);
if (!ret)
return (0);
}
/* Fall back to old-fashioned interrupts. */
if (intr_types & DDI_INTR_TYPE_FIXED) {
dev_debug(sc->sc_dev, CE_WARN,
"Using legacy interrupts");
return (virtio_register_intx(sc, config_handler, vq_handlers));
}
dev_err(sc->sc_dev, CE_WARN,
"MSI failed and fixed interrupts not supported. Giving up.");
ret = DDI_FAILURE;
out_inttype:
return (ret);
}
/*
* Negotiate features, save the result in sc->sc_features
*/
uint32_t
virtio_negotiate_features(struct virtio_softc *sc, uint32_t guest_features)
{
uint32_t host_features;
uint32_t features;
host_features = ddi_get32(sc->sc_ioh,
/* LINTED E_BAD_PTR_CAST_ALIGN */
(uint32_t *)(sc->sc_io_addr + VIRTIO_CONFIG_DEVICE_FEATURES));
dev_debug(sc->sc_dev, CE_NOTE, "host features: %x, guest features: %x",
host_features, guest_features);
features = host_features & guest_features;
ddi_put32(sc->sc_ioh,
/* LINTED E_BAD_PTR_CAST_ALIGN */
(uint32_t *)(sc->sc_io_addr + VIRTIO_CONFIG_GUEST_FEATURES),
features);
sc->sc_features = features;
return (host_features);
}
static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
uint16_t queue_idx,
uint16_t nb_desc,
unsigned int socket_id,
const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp)
{
int ret;
struct enic *enic = pmd_priv(eth_dev);
ENICPMD_FUNC_TRACE();
/* With Rx scatter support, two RQs are now used on VIC per RQ used
* by the application.
*/
if (queue_idx * 2 >= ENIC_RQ_MAX) {
dev_err(enic,
"Max number of RX queues exceeded. Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
ENIC_RQ_MAX);
return -EINVAL;
}
eth_dev->data->rx_queues[queue_idx] =
(void *)&enic->rq[enic_sop_rq(queue_idx)];
ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
if (ret) {
dev_err(enic, "error in allocating rq\n");
return ret;
}
enic->rq[queue_idx].rx_free_thresh = rx_conf->rx_free_thresh;
dev_debug(enic, "Set queue_id:%u free thresh:%u\n", queue_idx,
enic->rq[queue_idx].rx_free_thresh);
return enicpmd_dev_setup_intr(enic);
}
/*
* Allocate/free a vq.
*/
struct virtqueue *
virtio_alloc_vq(struct virtio_softc *sc, unsigned int index, unsigned int size,
unsigned int indirect_num, const char *name)
{
int vq_size, allocsize1, allocsize2, allocsize = 0;
int ret;
unsigned int ncookies;
size_t len;
struct virtqueue *vq;
ddi_put16(sc->sc_ioh,
/* LINTED E_BAD_PTR_CAST_ALIGN */
(uint16_t *)(sc->sc_io_addr + VIRTIO_CONFIG_QUEUE_SELECT), index);
vq_size = ddi_get16(sc->sc_ioh,
/* LINTED E_BAD_PTR_CAST_ALIGN */
(uint16_t *)(sc->sc_io_addr + VIRTIO_CONFIG_QUEUE_SIZE));
if (vq_size == 0) {
dev_err(sc->sc_dev, CE_WARN,
"virtqueue dest not exist, index %d for %s\n", index, name);
goto out;
}
vq = kmem_zalloc(sizeof (struct virtqueue), KM_SLEEP);
/* size 0 => use native vq size, good for receive queues. */
if (size)
vq_size = MIN(vq_size, size);
/* allocsize1: descriptor table + avail ring + pad */
allocsize1 = VIRTQUEUE_ALIGN(sizeof (struct vring_desc) * vq_size +
sizeof (struct vring_avail) + sizeof (uint16_t) * vq_size);
/* allocsize2: used ring + pad */
allocsize2 = VIRTQUEUE_ALIGN(sizeof (struct vring_used) +
sizeof (struct vring_used_elem) * vq_size);
allocsize = allocsize1 + allocsize2;
ret = ddi_dma_alloc_handle(sc->sc_dev, &virtio_vq_dma_attr,
DDI_DMA_SLEEP, NULL, &vq->vq_dma_handle);
if (ret != DDI_SUCCESS) {
dev_err(sc->sc_dev, CE_WARN,
"Failed to allocate dma handle for vq %d", index);
goto out_alloc_handle;
}
ret = ddi_dma_mem_alloc(vq->vq_dma_handle, allocsize,
&virtio_vq_devattr, DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL,
(caddr_t *)&vq->vq_vaddr, &len, &vq->vq_dma_acch);
if (ret != DDI_SUCCESS) {
dev_err(sc->sc_dev, CE_WARN,
"Failed to allocate dma memory for vq %d", index);
goto out_alloc;
}
ret = ddi_dma_addr_bind_handle(vq->vq_dma_handle, NULL,
(caddr_t)vq->vq_vaddr, len, DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
DDI_DMA_SLEEP, NULL, &vq->vq_dma_cookie, &ncookies);
if (ret != DDI_DMA_MAPPED) {
dev_err(sc->sc_dev, CE_WARN,
"Failed to bind dma memory for vq %d", index);
goto out_bind;
}
/* We asked for a single segment */
ASSERT(ncookies == 1);
/* and page-ligned buffers. */
ASSERT(vq->vq_dma_cookie.dmac_laddress % VIRTIO_PAGE_SIZE == 0);
(void) memset(vq->vq_vaddr, 0, allocsize);
/* Make sure all zeros hit the buffer before we point the host to it */
membar_producer();
/* set the vq address */
ddi_put32(sc->sc_ioh,
/* LINTED E_BAD_PTR_CAST_ALIGN */
(uint32_t *)(sc->sc_io_addr + VIRTIO_CONFIG_QUEUE_ADDRESS),
(vq->vq_dma_cookie.dmac_laddress / VIRTIO_PAGE_SIZE));
/* remember addresses and offsets for later use */
vq->vq_owner = sc;
vq->vq_num = vq_size;
vq->vq_index = index;
vq->vq_descs = vq->vq_vaddr;
vq->vq_availoffset = sizeof (struct vring_desc)*vq_size;
vq->vq_avail = (void *)(((char *)vq->vq_descs) + vq->vq_availoffset);
vq->vq_usedoffset = allocsize1;
vq->vq_used = (void *)(((char *)vq->vq_descs) + vq->vq_usedoffset);
ASSERT(indirect_num == 0 ||
virtio_has_feature(sc, VIRTIO_F_RING_INDIRECT_DESC));
vq->vq_indirect_num = indirect_num;
/* free slot management */
vq->vq_entries = kmem_zalloc(sizeof (struct vq_entry) * vq_size,
KM_SLEEP);
ret = virtio_init_vq(sc, vq);
if (ret)
goto out_init;
dev_debug(sc->sc_dev, CE_NOTE,
"Allocated %d entries for vq %d:%s (%d indirect descs)",
vq_size, index, name, indirect_num * vq_size);
return (vq);
out_init:
kmem_free(vq->vq_entries, sizeof (struct vq_entry) * vq_size);
(void) ddi_dma_unbind_handle(vq->vq_dma_handle);
out_bind:
ddi_dma_mem_free(&vq->vq_dma_acch);
out_alloc:
ddi_dma_free_handle(&vq->vq_dma_handle);
out_alloc_handle:
kmem_free(vq, sizeof (struct virtqueue));
out:
return (NULL);
}
void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
struct rte_eth_dev_info *device_info)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
int max_queues = adapter->sge.max_ethqsets / adapter->params.nports;
static const struct rte_eth_desc_lim cxgbe_desc_lim = {
.nb_max = CXGBE_MAX_RING_DESC_SIZE,
.nb_min = CXGBE_MIN_RING_DESC_SIZE,
.nb_align = 1,
};
device_info->min_rx_bufsize = CXGBE_MIN_RX_BUFSIZE;
device_info->max_rx_pktlen = CXGBE_MAX_RX_PKTLEN;
device_info->max_rx_queues = max_queues;
device_info->max_tx_queues = max_queues;
device_info->max_mac_addrs = 1;
/* XXX: For now we support one MAC/port */
device_info->max_vfs = adapter->params.arch.vfcount;
device_info->max_vmdq_pools = 0; /* XXX: For now no support for VMDQ */
device_info->rx_queue_offload_capa = 0UL;
device_info->rx_offload_capa = CXGBE_RX_OFFLOADS;
device_info->tx_queue_offload_capa = 0UL;
device_info->tx_offload_capa = CXGBE_TX_OFFLOADS;
device_info->reta_size = pi->rss_size;
device_info->hash_key_size = CXGBE_DEFAULT_RSS_KEY_LEN;
device_info->flow_type_rss_offloads = CXGBE_RSS_HF_ALL;
device_info->rx_desc_lim = cxgbe_desc_lim;
device_info->tx_desc_lim = cxgbe_desc_lim;
cxgbe_get_speed_caps(pi, &device_info->speed_capa);
}
void cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
1, -1, 1, -1, false);
}
void cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
0, -1, 1, -1, false);
}
void cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
/* TODO: address filters ?? */
t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
-1, 1, 1, -1, false);
}
void cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
/* TODO: address filters ?? */
t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
-1, 0, 1, -1, false);
}
int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
int wait_to_complete)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
struct sge *s = &adapter->sge;
struct rte_eth_link new_link = { 0 };
unsigned int i, work_done, budget = 32;
u8 old_link = pi->link_cfg.link_ok;
for (i = 0; i < CXGBE_LINK_STATUS_POLL_CNT; i++) {
cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
/* Exit if link status changed or always forced up */
if (pi->link_cfg.link_ok != old_link || force_linkup(adapter))
break;
if (!wait_to_complete)
break;
rte_delay_ms(CXGBE_LINK_STATUS_POLL_MS);
}
new_link.link_status = force_linkup(adapter) ?
ETH_LINK_UP : pi->link_cfg.link_ok;
new_link.link_autoneg = pi->link_cfg.autoneg;
new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
new_link.link_speed = pi->link_cfg.speed;
return rte_eth_linkstatus_set(eth_dev, &new_link);
}
/**
* Set device link up.
*/
int cxgbe_dev_set_link_up(struct rte_eth_dev *dev)
{
struct port_info *pi = (struct port_info *)(dev->data->dev_private);
struct adapter *adapter = pi->adapter;
unsigned int work_done, budget = 32;
struct sge *s = &adapter->sge;
int ret;
/* Flush all link events */
cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
/* If link already up, nothing to do */
if (pi->link_cfg.link_ok)
return 0;
ret = cxgbe_set_link_status(pi, true);
if (ret)
return ret;
cxgbe_dev_link_update(dev, 1);
return 0;
}
/**
* Set device link down.
*/
int cxgbe_dev_set_link_down(struct rte_eth_dev *dev)
{
struct port_info *pi = (struct port_info *)(dev->data->dev_private);
struct adapter *adapter = pi->adapter;
unsigned int work_done, budget = 32;
struct sge *s = &adapter->sge;
int ret;
/* Flush all link events */
cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
/* If link already down, nothing to do */
if (!pi->link_cfg.link_ok)
return 0;
ret = cxgbe_set_link_status(pi, false);
if (ret)
return ret;
cxgbe_dev_link_update(dev, 0);
return 0;
}
int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
struct rte_eth_dev_info dev_info;
int err;
uint16_t new_mtu = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
cxgbe_dev_info_get(eth_dev, &dev_info);
/* Must accommodate at least ETHER_MIN_MTU */
if ((new_mtu < ETHER_MIN_MTU) || (new_mtu > dev_info.max_rx_pktlen))
return -EINVAL;
/* set to jumbo mode if needed */
if (new_mtu > ETHER_MAX_LEN)
eth_dev->data->dev_conf.rxmode.offloads |=
DEV_RX_OFFLOAD_JUMBO_FRAME;
else
eth_dev->data->dev_conf.rxmode.offloads &=
~DEV_RX_OFFLOAD_JUMBO_FRAME;
err = t4_set_rxmode(adapter, adapter->mbox, pi->viid, new_mtu, -1, -1,
-1, -1, true);
if (!err)
eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = new_mtu;
return err;
}
/*
* Stop device.
*/
void cxgbe_dev_close(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
CXGBE_FUNC_TRACE();
if (!(adapter->flags & FULL_INIT_DONE))
return;
cxgbe_down(pi);
/*
* We clear queues only if both tx and rx path of the port
* have been disabled
*/
t4_sge_eth_clear_queues(pi);
}
/* Start the device.
* It returns 0 on success.
*/
int cxgbe_dev_start(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
int err = 0, i;
CXGBE_FUNC_TRACE();
/*
* If we don't have a connection to the firmware there's nothing we
* can do.
*/
if (!(adapter->flags & FW_OK)) {
err = -ENXIO;
goto out;
}
if (!(adapter->flags & FULL_INIT_DONE)) {
err = cxgbe_up(adapter);
if (err < 0)
goto out;
}
cxgbe_enable_rx_queues(pi);
err = setup_rss(pi);
if (err)
goto out;
for (i = 0; i < pi->n_tx_qsets; i++) {
err = cxgbe_dev_tx_queue_start(eth_dev, i);
if (err)
goto out;
}
for (i = 0; i < pi->n_rx_qsets; i++) {
err = cxgbe_dev_rx_queue_start(eth_dev, i);
if (err)
goto out;
}
err = link_start(pi);
if (err)
goto out;
out:
return err;
}
/*
* Stop device: disable rx and tx functions to allow for reconfiguring.
*/
void cxgbe_dev_stop(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
CXGBE_FUNC_TRACE();
if (!(adapter->flags & FULL_INIT_DONE))
return;
cxgbe_down(pi);
/*
* We clear queues only if both tx and rx path of the port
* have been disabled
*/
t4_sge_eth_clear_queues(pi);
}
int cxgbe_dev_configure(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
uint64_t configured_offloads;
int err;
CXGBE_FUNC_TRACE();
configured_offloads = eth_dev->data->dev_conf.rxmode.offloads;
/* KEEP_CRC offload flag is not supported by PMD
* can remove the below block when DEV_RX_OFFLOAD_CRC_STRIP removed
*/
if (rte_eth_dev_must_keep_crc(configured_offloads)) {
dev_info(adapter, "can't disable hw crc strip\n");
eth_dev->data->dev_conf.rxmode.offloads |=
DEV_RX_OFFLOAD_CRC_STRIP;
}
if (!(adapter->flags & FW_QUEUE_BOUND)) {
err = setup_sge_fwevtq(adapter);
if (err)
return err;
adapter->flags |= FW_QUEUE_BOUND;
err = setup_sge_ctrl_txq(adapter);
if (err)
return err;
}
err = cfg_queue_count(eth_dev);
if (err)
return err;
return 0;
}
int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
{
int ret;
struct sge_eth_txq *txq = (struct sge_eth_txq *)
(eth_dev->data->tx_queues[tx_queue_id]);
dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
ret = t4_sge_eth_txq_start(txq);
if (ret == 0)
eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
return ret;
}
static int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
uint16_t queue_idx, uint16_t nb_desc,
unsigned int socket_id,
const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mp)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
struct sge *s = &adapter->sge;
struct sge_eth_rxq *rxq = &s->ethrxq[pi->first_qset + queue_idx];
int err = 0;
int msi_idx = 0;
unsigned int temp_nb_desc;
struct rte_eth_dev_info dev_info;
unsigned int pkt_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
RTE_SET_USED(rx_conf);
dev_debug(adapter, "%s: eth_dev->data->nb_rx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; mp = %p\n",
__func__, eth_dev->data->nb_rx_queues, queue_idx, nb_desc,
socket_id, mp);
cxgbe_dev_info_get(eth_dev, &dev_info);
/* Must accommodate at least ETHER_MIN_MTU */
if ((pkt_len < dev_info.min_rx_bufsize) ||
(pkt_len > dev_info.max_rx_pktlen)) {
dev_err(adap, "%s: max pkt len must be > %d and <= %d\n",
__func__, dev_info.min_rx_bufsize,
dev_info.max_rx_pktlen);
return -EINVAL;
}
/* Free up the existing queue */
if (eth_dev->data->rx_queues[queue_idx]) {
cxgbe_dev_rx_queue_release(eth_dev->data->rx_queues[queue_idx]);
eth_dev->data->rx_queues[queue_idx] = NULL;
}
eth_dev->data->rx_queues[queue_idx] = (void *)rxq;
/* Sanity Checking
*
* nb_desc should be > 0 and <= CXGBE_MAX_RING_DESC_SIZE
*/
temp_nb_desc = nb_desc;
if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
__func__, CXGBE_MIN_RING_DESC_SIZE,
CXGBE_DEFAULT_RX_DESC_SIZE);
temp_nb_desc = CXGBE_DEFAULT_RX_DESC_SIZE;
} else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
__func__, CXGBE_MIN_RING_DESC_SIZE,
CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_RX_DESC_SIZE);
return -(EINVAL);
}
rxq->rspq.size = temp_nb_desc;
if ((&rxq->fl) != NULL)
rxq->fl.size = temp_nb_desc;
/* Set to jumbo mode if necessary */
if (pkt_len > ETHER_MAX_LEN)
eth_dev->data->dev_conf.rxmode.jumbo_frame = 1;
else
eth_dev->data->dev_conf.rxmode.jumbo_frame = 0;
err = t4_sge_alloc_rxq(adapter, &rxq->rspq, false, eth_dev, msi_idx,
&rxq->fl, t4_ethrx_handler,
t4_get_mps_bg_map(adapter, pi->tx_chan), mp,
queue_idx, socket_id);
dev_debug(adapter, "%s: err = %d; port_id = %d; cntxt_id = %u\n",
__func__, err, pi->port_id, rxq->rspq.cntxt_id);
return err;
}
