net: ethernet: use void pointer for dsa switch context

In ethernet_context structure, it just needs a void pointer
for dsa switch context.

Signed-off-by: Yangbo Lu <[email protected]>

Author: yangbolu1991

drivers/ethernet/nxp_imx_netc/eth_nxp_imx_netc.c

@@ -78,6 +78,7 @@ static int netc_eth_rx(const struct device *dev)
 	struct net_if *iface_dst = data->iface;
 #if defined(NETC_HAS_NO_SWITCH_TAG_SUPPORT)
 	struct ethernet_context *ctx = net_if_l2_data(iface_dst);
+	struct dsa_switch_context *dsa_switch_ctx = ctx->dsa_switch_ctx;
 #endif
 	netc_frame_attr_t attr = {0};
 	struct net_pkt *pkt;
@@ -111,7 +112,7 @@ static int netc_eth_rx(const struct device *dev)
 
 #if defined(NETC_HAS_NO_SWITCH_TAG_SUPPORT)
 	if (ctx->dsa_port == DSA_CONDUIT_PORT) {
-		iface_dst = ctx->dsa_switch_ctx->iface_user[attr.srcPort];
+		iface_dst = dsa_switch_ctx->iface_user[attr.srcPort];
 	}
 #endif
 	/* Copy to pkt */

include/zephyr/net/ethernet.h

@@ -699,7 +699,7 @@ struct ethernet_context {
 	enum dsa_port_type dsa_port;
 
 	/** DSA switch context pointer */
-	struct dsa_switch_context *dsa_switch_ctx;
+	void *dsa_switch_ctx;
 #endif
 
 	/** Is network carrier up */

subsys/net/l2/ethernet/dsa/dsa_tag_netc.c

@@ -28,6 +28,7 @@ struct dsa_tag_netc_to_port_header {
 struct net_if *dsa_tag_netc_recv(struct net_if *iface, struct net_pkt *pkt)
 {
 	struct ethernet_context *eth_ctx = net_if_l2_data(iface);
+	struct dsa_switch_context *dsa_switch_ctx = eth_ctx->dsa_switch_ctx;
 	uint16_t header_len = sizeof(struct dsa_tag_netc_to_host_header);
 	struct dsa_tag_netc_to_host_header *header;
 	struct net_if *iface_dst = iface;
@@ -40,7 +41,7 @@ struct net_if *dsa_tag_netc_recv(struct net_if *iface, struct net_pkt *pkt)
 
 	/* redirect to user port */
 	header = (struct dsa_tag_netc_to_host_header *)pkt->frags->data;
-	iface_dst = eth_ctx->dsa_switch_ctx->iface_user[header->tag.comTag.port];
+	iface_dst = dsa_switch_ctx->iface_user[header->tag.comTag.port];
 
 	/* drop tag */
 	ptr = net_buf_pull(pkt->frags, sizeof(netc_swt_tag_host_t));