From: Ivan Malov <ivan.ma...@oktetlabs.ru>
Reviewed-by: Andrew Lee <a...@solarflare.com>
Reviewed-by: Robert Stonehouse <rstoneho...@solarflare.com>
Signed-off-by: Ivan Malov <ivan.ma...@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybche...@solarflare.com>
---
doc/guides/nics/features/sfc_efx.ini | 1 +
drivers/net/sfc/sfc_ethdev.c | 60 ++++++++++++++++++++++++++++++++++++
2 files changed, 61 insertions(+)
diff --git a/doc/guides/nics/features/sfc_efx.ini
b/doc/guides/nics/features/sfc_efx.ini
index 4f6f117..07c58d5 100644
--- a/doc/guides/nics/features/sfc_efx.ini
+++ b/doc/guides/nics/features/sfc_efx.ini
@@ -16,6 +16,7 @@ Allmulticast mode = Y
Multicast MAC filter = Y
RSS hash = Y
RSS key update = Y
+RSS reta update = Y
Flow control = Y
VLAN offload = P
L3 checksum offload = Y
diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index 0cd96ac..09cc46b 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -1117,6 +1117,65 @@ sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
return 0;
}
+
+static int
+sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf,
+ uint16_t reta_size)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ unsigned int *rss_tbl_new;
+ uint16_t entry;
+ int rc;
+
+
+ if ((sa->rss_channels == 1) ||
+ (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)) {
+ sfc_err(sa, "RSS is not available");
+ return -ENOTSUP;
+ }
+
+ if (reta_size != EFX_RSS_TBL_SIZE) {
+ sfc_err(sa, "RETA size is wrong (should be %hu)",
+ EFX_RSS_TBL_SIZE);
+ return -EINVAL;
+ }
+
+ rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
+ if (rss_tbl_new == NULL)
+ return -ENOMEM;
+
+ sfc_adapter_lock(sa);
+
+ rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
+
+ for (entry = 0; entry < reta_size; entry++) {
+ int grp_idx = entry % RTE_RETA_GROUP_SIZE;
+ struct rte_eth_rss_reta_entry64 *grp;
+
+ grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
+
+ if (grp->mask & (1ull << grp_idx)) {
+ if (grp->reta[grp_idx] >= sa->rss_channels) {
+ rc = EINVAL;
+ goto bad_reta_entry;
+ }
+ rss_tbl_new[entry] = grp->reta[grp_idx];
+ }
+ }
+
+ rc = efx_rx_scale_tbl_set(sa->nic, rss_tbl_new, EFX_RSS_TBL_SIZE);
+ if (rc == 0)
+ rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
+
+bad_reta_entry:
+ sfc_adapter_unlock(sa);
+
+ rte_free(rss_tbl_new);
+
+ SFC_ASSERT(rc >= 0);
+ return -rc;
+}
#endif
static const struct eth_dev_ops sfc_eth_dev_ops = {
@@ -1151,6 +1210,7 @@ static const struct eth_dev_ops sfc_eth_dev_ops = {
.flow_ctrl_set = sfc_flow_ctrl_set,
.mac_addr_set = sfc_mac_addr_set,
#if EFSYS_OPT_RX_SCALE
+ .reta_update = sfc_dev_rss_reta_update,
.reta_query = sfc_dev_rss_reta_query,
.rss_hash_update = sfc_dev_rss_hash_update,
.rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
--
2.5.5
