brcmfmac: wrap brcmf_fws_del_interface into bcdc layer

Create a new protocol interface function brcmf_proto_del_if for core
module to notify protocol layer upon interface deletion.

Signed-off-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c

@@ -405,6 +405,12 @@ brcmf_proto_bcdc_add_if(struct brcmf_if *ifp)
 	brcmf_fws_add_interface(ifp);
 }
 
+static void
+brcmf_proto_bcdc_del_if(struct brcmf_if *ifp)
+{
+	brcmf_fws_del_interface(ifp);
+}
+
 int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr)
 {
 	struct brcmf_bcdc *bcdc;
@@ -429,6 +435,7 @@ int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr)
 	drvr->proto->add_tdls_peer = brcmf_proto_bcdc_add_tdls_peer;
 	drvr->proto->rxreorder = brcmf_proto_bcdc_rxreorder;
 	drvr->proto->add_if = brcmf_proto_bcdc_add_if;
+	drvr->proto->del_if = brcmf_proto_bcdc_del_if;
 	drvr->proto->pd = bcdc;
 
 	drvr->hdrlen += BCDC_HEADER_LEN + BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES;

drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c

@@ -706,7 +706,7 @@ void brcmf_remove_interface(struct brcmf_if *ifp, bool rtnl_locked)
 		return;
 	brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, ifidx=%d\n", ifp->bsscfgidx,
 		  ifp->ifidx);
-	brcmf_fws_del_interface(ifp);
+	brcmf_proto_del_if(ifp->drvr, ifp);
 	brcmf_del_if(ifp->drvr, ifp->bsscfgidx, rtnl_locked);
 }
 
@@ -1035,7 +1035,7 @@ fail:
 		drvr->config = NULL;
 	}
 	if (drvr->fws) {
-		brcmf_fws_del_interface(ifp);
+		brcmf_proto_del_if(ifp->drvr, ifp);
 		brcmf_fws_deinit(drvr);
 	}
 	brcmf_net_detach(ifp->ndev, false);

drivers/net/wireless/broadcom/brcm80211/brcmfmac/proto.h

@@ -45,6 +45,7 @@ struct brcmf_proto {
 			      u8 peer[ETH_ALEN]);
 	void (*rxreorder)(struct brcmf_if *ifp, struct sk_buff *skb);
 	void (*add_if)(struct brcmf_if *ifp);
+	void (*del_if)(struct brcmf_if *ifp);
 	void *pd;
 };
 
@@ -127,4 +128,12 @@ brcmf_proto_add_if(struct brcmf_pub *drvr, struct brcmf_if *ifp)
 	drvr->proto->add_if(ifp);
 }
 
+static inline void
+brcmf_proto_del_if(struct brcmf_pub *drvr, struct brcmf_if *ifp)
+{
+	if (!drvr->proto->del_if)
+		return;
+	drvr->proto->del_if(ifp);
+}
+
 #endif /* BRCMFMAC_PROTO_H */