Merge tag 'v5.15.50' into lf-5.15.y

This is the 5.15.50 stable release

* tag 'v5.15.50': (1395 commits)
  Linux 5.15.50
  arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA transfer
  serial: core: Initialize rs485 RTS polarity already on probe
  ...

Signed-off-by: Jason Liu <jason.hui.liu@nxp.com>

 Conflicts:
	drivers/bus/fsl-mc/fsl-mc-bus.c
	drivers/crypto/caam/ctrl.c
	drivers/pci/controller/dwc/pci-imx6.c
	drivers/spi/spi-fsl-qspi.c
	drivers/tty/serial/fsl_lpuart.c
	include/uapi/linux/dma-buf.h

1 files changed, 22 insertions, 1 deletions

diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c
index 2d36952b1392..910ef881c3b8 100644
--- a/net/netfilter/nf_tables_offload.c
+++ b/net/netfilter/nf_tables_offload.c
@@ -208,7 +208,7 @@ static int nft_setup_cb_call(enum tc_setup_type type, void *type_data,
 	return 0;
 }
 
-int nft_chain_offload_priority(struct nft_base_chain *basechain)
+static int nft_chain_offload_priority(const struct nft_base_chain *basechain)
 {
 	if (basechain->ops.priority <= 0 ||
 	    basechain->ops.priority > USHRT_MAX)
@@ -217,6 +217,27 @@ int nft_chain_offload_priority(struct nft_base_chain *basechain)
 	return 0;
 }
 
+bool nft_chain_offload_support(const struct nft_base_chain *basechain)
+{
+	struct net_device *dev;
+	struct nft_hook *hook;
+
+	if (nft_chain_offload_priority(basechain) < 0)
+		return false;
+
+	list_for_each_entry(hook, &basechain->hook_list, list) {
+		if (hook->ops.pf != NFPROTO_NETDEV ||
+		    hook->ops.hooknum != NF_NETDEV_INGRESS)
+			return false;
+
+		dev = hook->ops.dev;
+		if (!dev->netdev_ops->ndo_setup_tc && !flow_indr_dev_exists())
+			return false;
+	}
+
+	return true;
+}
+
 static void nft_flow_cls_offload_setup(struct flow_cls_offload *cls_flow,
 				       const struct nft_base_chain *basechain,
 				       const struct nft_rule *rule,