static int ldpaa_dpmac_bind(struct ldpaa_eth_priv *priv)
{
int err = 0;
struct dprc_connection_cfg dprc_connection_cfg = {
/* If both rates are zero the connection */
/* will be configured in "best effort" mode. */
.committed_rate = 0,
.max_rate = 0
};
#ifdef DEBUG
struct dprc_endpoint dbg_endpoint;
int state = 0;
#endif
memset(&dpmac_endpoint, 0, sizeof(struct dprc_endpoint));
sprintf(dpmac_endpoint.type, "dpmac");
dpmac_endpoint.id = priv->dpmac_id;
memset(&dpni_endpoint, 0, sizeof(struct dprc_endpoint));
sprintf(dpni_endpoint.type, "dpni");
dpni_endpoint.id = dflt_dpni->dpni_id;
err = dprc_connect(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dprc_handle,
&dpmac_endpoint,
&dpni_endpoint,
&dprc_connection_cfg);
if (err)
printf("dprc_connect() failed\n");
#ifdef DEBUG
err = dprc_get_connection(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dprc_handle, &dpni_endpoint,
&dbg_endpoint, &state);
printf("%s, DPMAC Type= %s\n", __func__, dbg_endpoint.type);
printf("%s, DPMAC ID= %d\n", __func__, dbg_endpoint.id);
printf("%s, DPMAC State= %d\n", __func__, state);
memset(&dbg_endpoint, 0, sizeof(struct dprc_endpoint));
err = dprc_get_connection(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dprc_handle, &dpmac_endpoint,
&dbg_endpoint, &state);
printf("%s, DPNI Type= %s\n", __func__, dbg_endpoint.type);
printf("%s, DPNI ID= %d\n", __func__, dbg_endpoint.id);
printf("%s, DPNI State= %d\n", __func__, state);
#endif
return err;
}
static int ldpaa_dpni_setup(struct ldpaa_eth_priv *priv)
{
int err;
/* and get a handle for the DPNI this interface is associate with */
err = dpni_open(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_id,
&dflt_dpni->dpni_handle);
if (err) {
printf("dpni_open() failed\n");
goto err_open;
}
err = dpni_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
&dflt_dpni->dpni_attrs);
if (err) {
printf("dpni_get_attributes() failed (err=%d)\n", err);
goto err_get_attr;
}
/* Configure our buffers' layout */
dflt_dpni->buf_layout.options = DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE |
DPNI_BUF_LAYOUT_OPT_DATA_ALIGN;
dflt_dpni->buf_layout.pass_parser_result = true;
dflt_dpni->buf_layout.pass_frame_status = true;
dflt_dpni->buf_layout.private_data_size = LDPAA_ETH_SWA_SIZE;
/* HW erratum mandates data alignment in multiples of 256 */
dflt_dpni->buf_layout.data_align = LDPAA_ETH_BUF_ALIGN;
/* ...rx, ... */
err = dpni_set_rx_buffer_layout(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
&dflt_dpni->buf_layout);
if (err) {
printf("dpni_set_rx_buffer_layout() failed");
goto err_buf_layout;
}
/* ... tx, ... */
/* remove Rx-only options */
dflt_dpni->buf_layout.options &= ~(DPNI_BUF_LAYOUT_OPT_DATA_ALIGN |
DPNI_BUF_LAYOUT_OPT_PARSER_RESULT);
err = dpni_set_tx_buffer_layout(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
&dflt_dpni->buf_layout);
if (err) {
printf("dpni_set_tx_buffer_layout() failed");
goto err_buf_layout;
}
/* ... tx-confirm. */
dflt_dpni->buf_layout.options &= ~DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
err = dpni_set_tx_conf_buffer_layout(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
&dflt_dpni->buf_layout);
if (err) {
printf("dpni_set_tx_conf_buffer_layout() failed");
goto err_buf_layout;
}
/* Now that we've set our tx buffer layout, retrieve the minimum
* required tx data offset.
*/
err = dpni_get_tx_data_offset(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
&priv->tx_data_offset);
if (err) {
printf("dpni_get_tx_data_offset() failed\n");
goto err_data_offset;
}
/* Warn in case TX data offset is not multiple of 64 bytes. */
WARN_ON(priv->tx_data_offset % 64);
/* Accomodate SWA space. */
priv->tx_data_offset += LDPAA_ETH_SWA_SIZE;
debug("priv->tx_data_offset=%d\n", priv->tx_data_offset);
return 0;
err_data_offset:
err_buf_layout:
err_get_attr:
dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
err_open:
return err;
}
static int ldpaa_dpni_setup(struct ldpaa_eth_priv *priv)
{
int err;
/* and get a handle for the DPNI this interface is associate with */
err = dpni_open(dflt_mc_io, priv->dpni_id, &priv->dpni_handle);
if (err) {
printf("dpni_open() failed\n");
goto err_open;
}
err = dpni_get_attributes(dflt_mc_io, priv->dpni_handle,
&priv->dpni_attrs);
if (err) {
printf("dpni_get_attributes() failed (err=%d)\n", err);
goto err_get_attr;
}
/* Configure our buffers' layout */
priv->buf_layout.options = DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
priv->buf_layout.pass_parser_result = true;
priv->buf_layout.pass_frame_status = true;
priv->buf_layout.private_data_size = LDPAA_ETH_SWA_SIZE;
/* ...rx, ... */
err = dpni_set_rx_buffer_layout(dflt_mc_io, priv->dpni_handle,
&priv->buf_layout);
if (err) {
printf("dpni_set_rx_buffer_layout() failed");
goto err_buf_layout;
}
/* ... tx, ... */
priv->buf_layout.options &= ~DPNI_BUF_LAYOUT_OPT_PARSER_RESULT;
err = dpni_set_tx_buffer_layout(dflt_mc_io, priv->dpni_handle,
&priv->buf_layout);
if (err) {
printf("dpni_set_tx_buffer_layout() failed");
goto err_buf_layout;
}
/* ... tx-confirm. */
priv->buf_layout.options &= ~DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
err = dpni_set_tx_conf_buffer_layout(dflt_mc_io, priv->dpni_handle,
&priv->buf_layout);
if (err) {
printf("dpni_set_tx_conf_buffer_layout() failed");
goto err_buf_layout;
}
/* Now that we've set our tx buffer layout, retrieve the minimum
* required tx data offset.
*/
err = dpni_get_tx_data_offset(dflt_mc_io, priv->dpni_handle,
&priv->tx_data_offset);
if (err) {
printf("dpni_get_tx_data_offset() failed\n");
goto err_data_offset;
}
/* Warn in case TX data offset is not multiple of 64 bytes. */
WARN_ON(priv->tx_data_offset % 64);
/* Accomodate SWA space. */
priv->tx_data_offset += LDPAA_ETH_SWA_SIZE;
debug("priv->tx_data_offset=%d\n", priv->tx_data_offset);
return 0;
err_data_offset:
err_buf_layout:
err_get_attr:
dpni_close(dflt_mc_io, priv->dpni_handle);
err_open:
return err;
}
