diff options
Diffstat (limited to 'drivers/net/sfc/sfc_rx.c')
| -rw-r--r-- | drivers/net/sfc/sfc_rx.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c index c792e0b2..a78d35a2 100644 --- a/drivers/net/sfc/sfc_rx.c +++ b/drivers/net/sfc/sfc_rx.c @@ -360,6 +360,18 @@ sfc_efx_rx_qdesc_status(struct sfc_dp_rxq *dp_rxq, uint16_t offset) 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) { @@ -964,6 +976,7 @@ sfc_rx_qinit(struct sfc_adapter *sa, unsigned int sw_index, 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); @@ -987,10 +1000,11 @@ sfc_rx_qinit(struct sfc_adapter *sa, unsigned int sw_index, 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, |