struct adapter *adapter = pi->adapter;
int max_queues = adapter->sge.max_ethqsets / adapter->params.nports;
- device_info->min_rx_bufsize = 68; /* XXX: Smallest pkt size */
- device_info->max_rx_pktlen = 1500; /* XXX: For now we support mtu */
+ 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;
DEV_TX_OFFLOAD_TCP_TSO;
device_info->reta_size = pi->rss_size;
+
+ device_info->rx_desc_lim = cxgbe_desc_lim;
+ device_info->tx_desc_lim = cxgbe_desc_lim;
+}
+
+static 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);
+}
+
+static 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);
+}
+
+static 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);
+}
+
+static 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);
+}
+
+static int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
+ __rte_unused 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 *old_link = ð_dev->data->dev_link;
+ unsigned int work_done, budget = 4;
+
+ cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
+ if (old_link->link_status == pi->link_cfg.link_ok)
+ return -1; /* link not changed */
+
+ eth_dev->data->dev_link.link_status = pi->link_cfg.link_ok;
+ eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
+ eth_dev->data->dev_link.link_speed = pi->link_cfg.speed;
+
+ /* link has changed */
+ return 0;
+}
+
+static 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.jumbo_frame = 1;
+ else
+ eth_dev->data->dev_conf.rxmode.jumbo_frame = 0;
+
+ 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;
}
static int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
static void cxgbe_dev_tx_queue_release(void *q);
static void cxgbe_dev_rx_queue_release(void *q);
+/*
+ * Stop device.
+ */
+static 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;
+ int i, dev_down = 0;
+
+ 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);
+
+ /* See if all ports are down */
+ for_each_port(adapter, i) {
+ pi = adap2pinfo(adapter, i);
+ /*
+ * Skip first port of the adapter since it will be closed
+ * by DPDK
+ */
+ if (i == 0)
+ continue;
+ dev_down += (pi->eth_dev->data->dev_started == 0) ? 1 : 0;
+ }
+
+ /* If rest of the ports are stopped, then free up resources */
+ if (dev_down == (adapter->params.nports - 1))
+ cxgbe_close(adapter);
+}
+
+/* Start the device.
+ * It returns 0 on success.
+ */
+static 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;
+ }
+
+ 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.
+ */
+static 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);
+}
+
static int cxgbe_dev_configure(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
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);
__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]);
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,
}
}
+/*
+ * Get port statistics.
+ */
+static void cxgbe_dev_stats_get(struct rte_eth_dev *eth_dev,
+ struct rte_eth_stats *eth_stats)
+{
+ struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+ struct adapter *adapter = pi->adapter;
+ struct sge *s = &adapter->sge;
+ struct port_stats ps;
+ unsigned int i;
+
+ cxgbe_stats_get(pi, &ps);
+
+ /* RX Stats */
+ eth_stats->ipackets = ps.rx_frames;
+ eth_stats->ibytes = ps.rx_octets;
+ eth_stats->imcasts = ps.rx_mcast_frames;
+ eth_stats->imissed = ps.rx_ovflow0 + ps.rx_ovflow1 +
+ ps.rx_ovflow2 + ps.rx_ovflow3 +
+ ps.rx_trunc0 + ps.rx_trunc1 +
+ ps.rx_trunc2 + ps.rx_trunc3;
+ eth_stats->ibadcrc = ps.rx_fcs_err;
+ eth_stats->ibadlen = ps.rx_jabber + ps.rx_too_long + ps.rx_runt;
+ eth_stats->ierrors = ps.rx_symbol_err + eth_stats->ibadcrc +
+ eth_stats->ibadlen + ps.rx_len_err +
+ eth_stats->imissed;
+ eth_stats->rx_pause_xon = ps.rx_pause;
+
+ /* TX Stats */
+ eth_stats->opackets = ps.tx_frames;
+ eth_stats->obytes = ps.tx_octets;
+ eth_stats->oerrors = ps.tx_error_frames;
+ eth_stats->tx_pause_xon = ps.tx_pause;
+
+ for (i = 0; i < pi->n_rx_qsets; i++) {
+ struct sge_eth_rxq *rxq =
+ &s->ethrxq[pi->first_qset + i];
+
+ eth_stats->q_ipackets[i] = rxq->stats.pkts;
+ eth_stats->q_ibytes[i] = rxq->stats.rx_bytes;
+ }
+
+ for (i = 0; i < pi->n_tx_qsets; i++) {
+ struct sge_eth_txq *txq =
+ &s->ethtxq[pi->first_qset + i];
+
+ eth_stats->q_opackets[i] = txq->stats.pkts;
+ eth_stats->q_obytes[i] = txq->stats.tx_bytes;
+ eth_stats->q_errors[i] = txq->stats.mapping_err;
+ }
+}
+
+/*
+ * Reset port statistics.
+ */
+static void cxgbe_dev_stats_reset(struct rte_eth_dev *eth_dev)
+{
+ struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+ struct adapter *adapter = pi->adapter;
+ struct sge *s = &adapter->sge;
+ unsigned int i;
+
+ cxgbe_stats_reset(pi);
+ for (i = 0; i < pi->n_rx_qsets; i++) {
+ struct sge_eth_rxq *rxq =
+ &s->ethrxq[pi->first_qset + i];
+
+ rxq->stats.pkts = 0;
+ rxq->stats.rx_bytes = 0;
+ }
+ for (i = 0; i < pi->n_tx_qsets; i++) {
+ struct sge_eth_txq *txq =
+ &s->ethtxq[pi->first_qset + i];
+
+ txq->stats.pkts = 0;
+ txq->stats.tx_bytes = 0;
+ txq->stats.mapping_err = 0;
+ }
+}
+
+static int cxgbe_flow_ctrl_get(struct rte_eth_dev *eth_dev,
+ struct rte_eth_fc_conf *fc_conf)
+{
+ struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+ struct link_config *lc = &pi->link_cfg;
+ int rx_pause, tx_pause;
+
+ fc_conf->autoneg = lc->fc & PAUSE_AUTONEG;
+ rx_pause = lc->fc & PAUSE_RX;
+ tx_pause = lc->fc & PAUSE_TX;
+
+ if (rx_pause && tx_pause)
+ fc_conf->mode = RTE_FC_FULL;
+ else if (rx_pause)
+ fc_conf->mode = RTE_FC_RX_PAUSE;
+ else if (tx_pause)
+ fc_conf->mode = RTE_FC_TX_PAUSE;
+ else
+ fc_conf->mode = RTE_FC_NONE;
+ return 0;
+}
+
+static int cxgbe_flow_ctrl_set(struct rte_eth_dev *eth_dev,
+ struct rte_eth_fc_conf *fc_conf)
+{
+ struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+ struct adapter *adapter = pi->adapter;
+ struct link_config *lc = &pi->link_cfg;
+
+ if (lc->supported & FW_PORT_CAP_ANEG) {
+ if (fc_conf->autoneg)
+ lc->requested_fc |= PAUSE_AUTONEG;
+ else
+ lc->requested_fc &= ~PAUSE_AUTONEG;
+ }
+
+ if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
+ (fc_conf->mode & RTE_FC_RX_PAUSE))
+ lc->requested_fc |= PAUSE_RX;
+ else
+ lc->requested_fc &= ~PAUSE_RX;
+
+ if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
+ (fc_conf->mode & RTE_FC_TX_PAUSE))
+ lc->requested_fc |= PAUSE_TX;
+ else
+ lc->requested_fc &= ~PAUSE_TX;
+
+ return t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan,
+ &pi->link_cfg);
+}
+
static struct eth_dev_ops cxgbe_eth_dev_ops = {
+ .dev_start = cxgbe_dev_start,
+ .dev_stop = cxgbe_dev_stop,
+ .dev_close = cxgbe_dev_close,
+ .promiscuous_enable = cxgbe_dev_promiscuous_enable,
+ .promiscuous_disable = cxgbe_dev_promiscuous_disable,
+ .allmulticast_enable = cxgbe_dev_allmulticast_enable,
+ .allmulticast_disable = cxgbe_dev_allmulticast_disable,
.dev_configure = cxgbe_dev_configure,
.dev_infos_get = cxgbe_dev_info_get,
+ .link_update = cxgbe_dev_link_update,
+ .mtu_set = cxgbe_dev_mtu_set,
.tx_queue_setup = cxgbe_dev_tx_queue_setup,
.tx_queue_start = cxgbe_dev_tx_queue_start,
.tx_queue_stop = cxgbe_dev_tx_queue_stop,
.rx_queue_start = cxgbe_dev_rx_queue_start,
.rx_queue_stop = cxgbe_dev_rx_queue_stop,
.rx_queue_release = cxgbe_dev_rx_queue_release,
+ .stats_get = cxgbe_dev_stats_get,
+ .stats_reset = cxgbe_dev_stats_reset,
+ .flow_ctrl_get = cxgbe_flow_ctrl_get,
+ .flow_ctrl_set = cxgbe_flow_ctrl_set,
};
/*
git.droids-corp.org / dpdk.git / blobdiff