net/sfc: support RSS RETA and hash config get in secondary

RSS RETA query and hash configuration get functions use shared
adapter data only. No libefx functions are called.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

diff --git a/doc/guides/rel_notes/release_19_05.rst b/doc/guides/rel_notes/release_19_05.rst
index 6d65c8e..1b7f14c 100644 (file)
--- a/doc/guides/rel_notes/release_19_05.rst
+++ b/doc/guides/rel_notes/release_19_05.rst
@@ -61,6 +61,8 @@ New Features
   * Added support for Rx descriptor status and related API in a secondary
     process.
   * Added support for Tx descriptor status API in a secondary process.
+  * Added support for RSS RETA and hash configuration get API in a secondary
+    process.
 
 
 Removed Items

diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index c6e1e87..47450f6 100644 (file)
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -1403,6 +1403,10 @@ sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
        return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
 }
 
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
 static int
 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
                          struct rte_eth_rss_conf *rss_conf)
@@ -1503,6 +1507,10 @@ fail_rx_hf_rte_to_efx:
        return -rc;
 }
 
+/*
+ * The function is used by the secondary process as well. It must not
+ * use any process-local pointers from the adapter data.
+ */
 static int
 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
                       struct rte_eth_rss_reta_entry64 *reta_conf,
@@ -1903,6 +1911,8 @@ static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
        .rx_descriptor_done             = sfc_rx_descriptor_done,
        .rx_descriptor_status           = sfc_rx_descriptor_status,
        .tx_descriptor_status           = sfc_tx_descriptor_status,
+       .reta_query                     = sfc_dev_rss_reta_query,
+       .rss_hash_conf_get              = sfc_dev_rss_hash_conf_get,
        .rxq_info_get                   = sfc_rx_queue_info_get,
        .txq_info_get                   = sfc_tx_queue_info_get,
 };