#include "otx2_ethdev.h"
+int
+otx2_nix_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
+{
+ uint32_t buffsz, frame_size = mtu + NIX_L2_OVERHEAD;
+ struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+ struct rte_eth_dev_data *data = eth_dev->data;
+ struct otx2_mbox *mbox = dev->mbox;
+ struct nix_frs_cfg *req;
+ int rc;
+
+ /* Check if MTU is within the allowed range */
+ if (frame_size < NIX_MIN_FRS || frame_size > NIX_MAX_FRS)
+ return -EINVAL;
+
+ buffsz = data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
+
+ /* Refuse MTU that requires the support of scattered packets
+ * when this feature has not been enabled before.
+ */
+ if (data->dev_started && frame_size > buffsz &&
+ !(dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER))
+ return -EINVAL;
+
+ /* Check <seg size> * <max_seg> >= max_frame */
+ if ((dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER) &&
+ (frame_size > buffsz * NIX_RX_NB_SEG_MAX))
+ return -EINVAL;
+
+ req = otx2_mbox_alloc_msg_nix_set_hw_frs(mbox);
+ req->update_smq = true;
+ /* FRS HW config should exclude FCS but include NPC VTAG insert size */
+ req->maxlen = frame_size - RTE_ETHER_CRC_LEN + NIX_MAX_VTAG_ACT_SIZE;
+
+ rc = otx2_mbox_process(mbox);
+ if (rc)
+ return rc;
+
+ /* Now just update Rx MAXLEN */
+ req = otx2_mbox_alloc_msg_nix_set_hw_frs(mbox);
+ req->maxlen = frame_size - RTE_ETHER_CRC_LEN;
+
+ rc = otx2_mbox_process(mbox);
+ if (rc)
+ return rc;
+
+ if (frame_size > RTE_ETHER_MAX_LEN)
+ dev->rx_offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+ else
+ dev->rx_offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
+
+ /* Update max_rx_pkt_len */
+ data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
+
+ return rc;
+}
+
+int
+otx2_nix_recalc_mtu(struct rte_eth_dev *eth_dev)
+{
+ struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+ struct rte_eth_dev_data *data = eth_dev->data;
+ struct rte_pktmbuf_pool_private *mbp_priv;
+ struct otx2_eth_rxq *rxq;
+ uint32_t buffsz;
+ uint16_t mtu;
+ int rc;
+
+ /* Get rx buffer size */
+ rxq = data->rx_queues[0];
+ mbp_priv = rte_mempool_get_priv(rxq->pool);
+ buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
+
+ /* Setup scatter mode if needed by jumbo */
+ if (data->dev_conf.rxmode.max_rx_pkt_len > buffsz)
+ dev->rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
+
+ /* Setup MTU based on max_rx_pkt_len */
+ mtu = data->dev_conf.rxmode.max_rx_pkt_len - NIX_L2_OVERHEAD;
+
+ rc = otx2_nix_mtu_set(eth_dev, mtu);
+ if (rc)
+ otx2_err("Failed to set default MTU size %d", rc);
+
+ return rc;
+}
+
static void
nix_cgx_promisc_config(struct rte_eth_dev *eth_dev, int en)
{
return 0;
}
+int
+otx2_nix_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version,
+ size_t fw_size)
+{
+ struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+ int rc = (int)fw_size;
+
+ if (fw_size > sizeof(dev->mkex_pfl_name))
+ rc = sizeof(dev->mkex_pfl_name);
+
+ rc = strlcpy(fw_version, (char *)dev->mkex_pfl_name, rc);
+
+ rc += 1; /* Add the size of '\0' */
+ if (fw_size < (uint32_t)rc)
+ return rc;
+
+ return 0;
+}
+
int
otx2_nix_pool_ops_supported(struct rte_eth_dev *eth_dev, const char *pool)
{
.offloads = 0,
};
+ devinfo->default_rxportconf = (struct rte_eth_dev_portconf) {
+ .ring_size = NIX_RX_DEFAULT_RING_SZ,
+ };
+
devinfo->rx_desc_lim = (struct rte_eth_desc_lim) {
.nb_max = UINT16_MAX,
.nb_min = NIX_RX_MIN_DESC,