Reviewed-by: Andy Moreton <amoreton at solarflare.com>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
doc/guides/nics/sfc_efx.rst | 12 +++++++++
drivers/net/sfc/efx/sfc_rx.c | 61 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 73 insertions(+)
diff --git a/doc/guides/nics/sfc_efx.rst b/doc/guides/nics/sfc_efx.rst
index 46c892b..87b217f8 100644
--- a/doc/guides/nics/sfc_efx.rst
+++ b/doc/guides/nics/sfc_efx.rst
@@ -60,6 +60,18 @@ The features not yet supported include:
- Loopback
+- Configurable RX CRC stripping (always stripped)
+
+- Header split on receive
+
+- VLAN filtering
+
+- VLAN stripping
+
+- Scattered receive
+
+- LRO
+
Supported NICs
--------------
diff --git a/drivers/net/sfc/efx/sfc_rx.c b/drivers/net/sfc/efx/sfc_rx.c
index 961e6b6..bc43e4e 100644
--- a/drivers/net/sfc/efx/sfc_rx.c
+++ b/drivers/net/sfc/efx/sfc_rx.c
@@ -48,6 +48,61 @@ sfc_rx_qinit_info(struct sfc_adapter *sa, unsigned int
sw_index)
return 0;
}
+static int
+sfc_rx_check_mode(struct sfc_adapter *sa, struct rte_eth_rxmode *rxmode)
+{
+ int rc = 0;
+
+ switch (rxmode->mq_mode) {
+ case ETH_MQ_RX_NONE:
+ /* No special checks are required */
+ break;
+ default:
+ sfc_err(sa, "Rx multi-queue mode %u not supported",
+ rxmode->mq_mode);
+ rc = EINVAL;
+ }
+
+ if (rxmode->header_split) {
+ sfc_err(sa, "Header split on Rx not supported");
+ rc = EINVAL;
+ }
+
+ if (rxmode->hw_vlan_filter) {
+ sfc_err(sa, "HW VLAN filtering not supported");
+ rc = EINVAL;
+ }
+
+ if (rxmode->hw_vlan_strip) {
+ sfc_err(sa, "HW VLAN stripping not supported");
+ rc = EINVAL;
+ }
+
+ if (rxmode->hw_vlan_extend) {
+ sfc_err(sa,
+ "Q-in-Q HW VLAN stripping not supported");
+ rc = EINVAL;
+ }
+
+ if (!rxmode->hw_strip_crc) {
+ sfc_warn(sa,
+ "FCS stripping control not supported - always
stripped");
+ rxmode->hw_strip_crc = 1;
+ }
+
+ if (rxmode->enable_scatter) {
+ sfc_err(sa, "Scatter on Rx not supported");
+ rc = EINVAL;
+ }
+
+ if (rxmode->enable_lro) {
+ sfc_err(sa, "LRO not supported");
+ rc = EINVAL;
+ }
+
+ return rc;
+}
+
/**
* Initialize Rx subsystem.
*
@@ -59,9 +114,14 @@ sfc_rx_qinit_info(struct sfc_adapter *sa, unsigned int
sw_index)
int
sfc_rx_init(struct sfc_adapter *sa)
{
+ struct rte_eth_conf *dev_conf = &sa->eth_dev->data->dev_conf;
unsigned int sw_index;
int rc;
+ rc = sfc_rx_check_mode(sa, &dev_conf->rxmode);
+ if (rc != 0)
+ goto fail_check_mode;
+
sa->rxq_count = sa->eth_dev->data->nb_rx_queues;
rc = ENOMEM;
@@ -85,6 +145,7 @@ sfc_rx_init(struct sfc_adapter *sa)
fail_rxqs_alloc:
sa->rxq_count = 0;
+fail_check_mode:
sfc_log_init(sa, "failed %d", rc);
return rc;
}
--
2.5.5
