return RTE_ETH_RX_DESC_UNAVAIL;
}
+boolean_t
+sfc_rx_check_scatter(size_t pdu, size_t rx_buf_size, uint32_t rx_prefix_size,
+ boolean_t rx_scatter_enabled, const char **error)
+{
+ if ((rx_buf_size < pdu + rx_prefix_size) && !rx_scatter_enabled) {
+ *error = "Rx scatter is disabled and RxQ mbuf pool object size is too small";
+ return B_FALSE;
+ }
+
+ return B_TRUE;
+}
+
struct sfc_rxq *
sfc_rxq_by_dp_rxq(const struct sfc_dp_rxq *dp_rxq)
{
struct sfc_evq *evq;
struct sfc_rxq *rxq;
struct sfc_dp_rx_qcreate_info info;
+ const char *error;
rc = sa->dp_rx->qsize_up_rings(nb_rx_desc, mb_pool, &rxq_entries,
&evq_entries, &rxq_max_fill_level);
goto fail_bad_conf;
}
- if ((buf_size < sa->port.pdu + encp->enc_rx_prefix_size) &&
- (~offloads & DEV_RX_OFFLOAD_SCATTER)) {
- sfc_err(sa, "Rx scatter is disabled and RxQ %u mbuf pool "
- "object size is too small", sw_index);
+ if (!sfc_rx_check_scatter(sa->port.pdu, buf_size,
+ encp->enc_rx_prefix_size,
+ (offloads & DEV_RX_OFFLOAD_SCATTER),
+ &error)) {
+ sfc_err(sa, "RxQ %u MTU check failed: %s", sw_index, error);
sfc_err(sa, "RxQ %u calculated Rx buffer size is %u vs "
"PDU size %u plus Rx prefix %u bytes",
sw_index, buf_size, (unsigned int)sa->port.pdu,