4 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
index 577659f332e4..03aae2ed9983 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
@@ -239,6 +239,7 @@ nfp_flower_cmsg_portreify_rx(struct nfp_app *app, struct sk_buff *skb)
 static void
 nfp_flower_cmsg_process_one_rx(struct nfp_app *app, struct sk_buff *skb)
 {
+	struct nfp_flower_priv *app_priv = app->priv;
 	struct nfp_flower_cmsg_hdr *cmsg_hdr;
 	enum nfp_flower_cmsg_type_port type;
 
@@ -258,6 +259,10 @@ nfp_flower_cmsg_process_one_rx(struct nfp_app *app, struct sk_buff *skb)
 	case NFP_FLOWER_CMSG_TYPE_ACTIVE_TUNS:
 		nfp_tunnel_keep_alive(app, skb);
 		break;
+	case NFP_FLOWER_CMSG_TYPE_LAG_CONFIG:
+		if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG)
+			break;
+		/* fall through */
 	default:
 		nfp_flower_cmsg_warn(app, "Cannot handle invalid repr control type %u\n",
 				     type);
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
index bee4367a2c38..3a42a1fc55cb 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
@@ -366,6 +366,7 @@ struct nfp_flower_cmsg_hdr {
 enum nfp_flower_cmsg_type_port {
 	NFP_FLOWER_CMSG_TYPE_FLOW_ADD =		0,
 	NFP_FLOWER_CMSG_TYPE_FLOW_DEL =		2,
+	NFP_FLOWER_CMSG_TYPE_LAG_CONFIG =	4,
 	NFP_FLOWER_CMSG_TYPE_PORT_REIFY =	6,
 	NFP_FLOWER_CMSG_TYPE_MAC_REPR =		7,
 	NFP_FLOWER_CMSG_TYPE_PORT_MOD =		8,
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c
index 4e67c0cbf9f0..1910c3e2b3e5 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.c
@@ -546,8 +546,20 @@ static int nfp_flower_init(struct nfp_app *app)
 	else
 		app_priv->flower_ext_feats = features;
 
+	/* Tell the firmware that the driver supports lag. */
+	err = nfp_rtsym_write_le(app->pf->rtbl,
+				 "_abi_flower_balance_sync_enable", 1);
+	if (!err)
+		app_priv->flower_ext_feats |= NFP_FL_FEATS_LAG;
+	else if (err == -ENOENT)
+		nfp_warn(app->cpp, "LAG not supported by FW.\n");
+	else
+		goto err_cleanup_metadata;
+
 	return 0;
 
+err_cleanup_metadata:
+	nfp_flower_metadata_cleanup(app);
 err_free_app_priv:
 	vfree(app->priv);
 	return err;
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h
index 733ff53cc601..6e82aa4ed84b 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.h
@@ -67,6 +67,7 @@ struct nfp_app;
 /* Extra features bitmap. */
 #define NFP_FL_FEATS_GENEVE		BIT(0)
 #define NFP_FL_NBI_MTU_SETTING		BIT(1)
+#define NFP_FL_FEATS_LAG		BIT(31)
 
 struct nfp_fl_mask_id {
 	struct circ_buf mask_id_free_list;