return speed_capa;
}
+static void
+nix_enable_mseg_on_jumbo(struct cnxk_eth_rxq_sp *rxq)
+{
+ struct rte_pktmbuf_pool_private *mbp_priv;
+ struct rte_eth_dev *eth_dev;
+ struct cnxk_eth_dev *dev;
+ uint32_t buffsz;
+
+ dev = rxq->dev;
+ eth_dev = dev->eth_dev;
+
+ /* Get rx buffer size */
+ mbp_priv = rte_mempool_get_priv(rxq->qconf.mp);
+ buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
+
+ if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len > buffsz) {
+ dev->rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
+ dev->tx_offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
+ }
+}
+
+static int
+nix_recalc_mtu(struct rte_eth_dev *eth_dev)
+{
+ struct rte_eth_dev_data *data = eth_dev->data;
+ struct cnxk_eth_rxq_sp *rxq;
+ uint16_t mtu;
+ int rc;
+
+ rxq = ((struct cnxk_eth_rxq_sp *)data->rx_queues[0]) - 1;
+ /* Setup scatter mode if needed by jumbo */
+ nix_enable_mseg_on_jumbo(rxq);
+
+ /* Setup MTU based on max_rx_pkt_len */
+ mtu = data->dev_conf.rxmode.max_rx_pkt_len - CNXK_NIX_L2_OVERHEAD +
+ CNXK_NIX_MAX_VTAG_ACT_SIZE;
+
+ rc = cnxk_nix_mtu_set(eth_dev, mtu);
+ if (rc)
+ plt_err("Failed to set default MTU size, rc=%d", rc);
+
+ return rc;
+}
+
uint64_t
cnxk_nix_rxq_mbuf_setup(struct cnxk_eth_dev *dev)
{
struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
int rc, i;
+ if (eth_dev->data->nb_rx_queues != 0) {
+ rc = nix_recalc_mtu(eth_dev);
+ if (rc)
+ return rc;
+ }
+
/* Start rx queues */
for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
rc = cnxk_nix_rx_queue_start(eth_dev, i);
/* CNXK platform independent eth dev ops */
struct eth_dev_ops cnxk_eth_dev_ops = {
+ .mtu_set = cnxk_nix_mtu_set,
+ .mac_addr_add = cnxk_nix_mac_addr_add,
+ .mac_addr_remove = cnxk_nix_mac_addr_del,
+ .mac_addr_set = cnxk_nix_mac_addr_set,
.dev_infos_get = cnxk_nix_info_get,
.link_update = cnxk_nix_link_update,
.tx_queue_release = cnxk_nix_tx_queue_release,
.rx_queue_start = cnxk_nix_rx_queue_start,
.rx_queue_stop = cnxk_nix_rx_queue_stop,
.dev_supported_ptypes_get = cnxk_nix_supported_ptypes_get,
+ .promiscuous_enable = cnxk_nix_promisc_enable,
+ .promiscuous_disable = cnxk_nix_promisc_disable,
+ .allmulticast_enable = cnxk_nix_allmulticast_enable,
+ .allmulticast_disable = cnxk_nix_allmulticast_disable,
+ .rx_burst_mode_get = cnxk_nix_rx_burst_mode_get,
+ .tx_burst_mode_get = cnxk_nix_tx_burst_mode_get,
};
static int