1 files changed, 10 insertions, 43 deletions

diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index ab953a1a0d6c..7444ec6e298e 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -230,7 +230,7 @@ static const struct header_ops hsr_header_ops = {
 	.parse	 = eth_header_parse,
 };
 
-static struct sk_buff *hsr_init_skb(struct hsr_port *master, u16 proto)
+static struct sk_buff *hsr_init_skb(struct hsr_port *master)
 {
 	struct hsr_priv *hsr = master->hsr;
 	struct sk_buff *skb;
@@ -242,8 +242,7 @@ static struct sk_buff *hsr_init_skb(struct hsr_port *master, u16 proto)
 	 * being, for PRP it is a trailer and for HSR it is a
 	 * header
 	 */
-	skb = dev_alloc_skb(sizeof(struct hsr_tag) +
-			    sizeof(struct hsr_sup_tag) +
+	skb = dev_alloc_skb(sizeof(struct hsr_sup_tag) +
 			    sizeof(struct hsr_sup_payload) + hlen + tlen);
 
 	if (!skb)
@@ -251,10 +250,9 @@ static struct sk_buff *hsr_init_skb(struct hsr_port *master, u16 proto)
 
 	skb_reserve(skb, hlen);
 	skb->dev = master->dev;
-	skb->protocol = htons(proto);
 	skb->priority = TC_PRIO_CONTROL;
 
-	if (dev_hard_header(skb, skb->dev, proto,
+	if (dev_hard_header(skb, skb->dev, ETH_P_PRP,
 			    hsr->sup_multicast_addr,
 			    skb->dev->dev_addr, skb->len) <= 0)
 		goto out;
@@ -275,12 +273,10 @@ static void send_hsr_supervision_frame(struct hsr_port *master,
 {
 	struct hsr_priv *hsr = master->hsr;
 	__u8 type = HSR_TLV_LIFE_CHECK;
-	struct hsr_tag *hsr_tag = NULL;
 	struct hsr_sup_payload *hsr_sp;
 	struct hsr_sup_tag *hsr_stag;
 	unsigned long irqflags;
 	struct sk_buff *skb;
-	u16 proto;
 
 	*interval = msecs_to_jiffies(HSR_LIFE_CHECK_INTERVAL);
 	if (hsr->announce_count < 3 && hsr->prot_version == 0) {
@@ -289,23 +285,12 @@ static void send_hsr_supervision_frame(struct hsr_port *master,
 		hsr->announce_count++;
 	}
 
-	if (!hsr->prot_version)
-		proto = ETH_P_PRP;
-	else
-		proto = ETH_P_HSR;
-
-	skb = hsr_init_skb(master, proto);
+	skb = hsr_init_skb(master);
 	if (!skb) {
 		WARN_ONCE(1, "HSR: Could not send supervision frame\n");
 		return;
 	}
 
-	if (hsr->prot_version > 0) {
-		hsr_tag = skb_put(skb, sizeof(struct hsr_tag));
-		hsr_tag->encap_proto = htons(ETH_P_PRP);
-		set_hsr_tag_LSDU_size(hsr_tag, HSR_V1_SUP_LSDUSIZE);
-	}
-
 	hsr_stag = skb_put(skb, sizeof(struct hsr_sup_tag));
 	set_hsr_stag_path(hsr_stag, (hsr->prot_version ? 0x0 : 0xf));
 	set_hsr_stag_HSR_ver(hsr_stag, hsr->prot_version);
@@ -315,8 +300,6 @@ static void send_hsr_supervision_frame(struct hsr_port *master,
 	if (hsr->prot_version > 0) {
 		hsr_stag->sequence_nr = htons(hsr->sup_sequence_nr);
 		hsr->sup_sequence_nr++;
-		hsr_tag->sequence_nr = htons(hsr->sequence_nr);
-		hsr->sequence_nr++;
 	} else {
 		hsr_stag->sequence_nr = htons(hsr->sequence_nr);
 		hsr->sequence_nr++;
@@ -332,7 +315,7 @@ static void send_hsr_supervision_frame(struct hsr_port *master,
 	hsr_sp = skb_put(skb, sizeof(struct hsr_sup_payload));
 	ether_addr_copy(hsr_sp->macaddress_A, master->dev->dev_addr);
 
-	if (skb_put_padto(skb, ETH_ZLEN + HSR_HLEN))
+	if (skb_put_padto(skb, ETH_ZLEN))
 		return;
 
 	hsr_forward_skb(skb, master);
@@ -348,10 +331,8 @@ static void send_prp_supervision_frame(struct hsr_port *master,
 	struct hsr_sup_tag *hsr_stag;
 	unsigned long irqflags;
 	struct sk_buff *skb;
-	struct prp_rct *rct;
-	u8 *tail;
 
-	skb = hsr_init_skb(master, ETH_P_PRP);
+	skb = hsr_init_skb(master);
 	if (!skb) {
 		WARN_ONCE(1, "PRP: Could not send supervision frame\n");
 		return;
@@ -373,17 +354,11 @@ static void send_prp_supervision_frame(struct hsr_port *master,
 	hsr_sp = skb_put(skb, sizeof(struct hsr_sup_payload));
 	ether_addr_copy(hsr_sp->macaddress_A, master->dev->dev_addr);
 
-	if (skb_put_padto(skb, ETH_ZLEN + HSR_HLEN)) {
+	if (skb_put_padto(skb, ETH_ZLEN)) {
 		spin_unlock_irqrestore(&master->hsr->seqnr_lock, irqflags);
 		return;
 	}
 
-	tail = skb_tail_pointer(skb) - HSR_HLEN;
-	rct = (struct prp_rct *)tail;
-	rct->PRP_suffix = htons(ETH_P_PRP);
-	set_prp_LSDU_size(rct, HSR_V1_SUP_LSDUSIZE);
-	rct->sequence_nr = htons(hsr->sequence_nr);
-	hsr->sequence_nr++;
 	spin_unlock_irqrestore(&master->hsr->seqnr_lock, irqflags);
 
 	hsr_forward_skb(skb, master);
@@ -442,6 +417,7 @@ static struct hsr_proto_ops hsr_ops = {
 	.send_sv_frame = send_hsr_supervision_frame,
 	.create_tagged_frame = hsr_create_tagged_frame,
 	.get_untagged_frame = hsr_get_untagged_frame,
+	.drop_frame = hsr_drop_frame,
 	.fill_frame_info = hsr_fill_frame_info,
 	.invalid_dan_ingress_frame = hsr_invalid_dan_ingress_frame,
 };
@@ -489,10 +465,11 @@ void hsr_dev_setup(struct net_device *dev)
 
 /* Return true if dev is a HSR master; return false otherwise.
  */
-inline bool is_hsr_master(struct net_device *dev)
+bool is_hsr_master(struct net_device *dev)
 {
 	return (dev->netdev_ops->ndo_start_xmit == hsr_dev_xmit);
 }
+EXPORT_SYMBOL(is_hsr_master);
 
 /* Default multicast address for HSR Supervision frames */
 static const unsigned char def_multicast_addr[ETH_ALEN] __aligned(2) = {
@@ -545,16 +522,6 @@ int hsr_dev_finalize(struct net_device *hsr_dev, struct net_device *slave[2],
 
 	hsr->prot_version = protocol_version;
 
-	/* FIXME: should I modify the value of these?
-	 *
-	 * - hsr_dev->flags - i.e.
-	 *			IFF_MASTER/SLAVE?
-	 * - hsr_dev->priv_flags - i.e.
-	 *			IFF_EBRIDGE?
-	 *			IFF_TX_SKB_SHARING?
-	 *			IFF_HSR_MASTER/SLAVE?
-	 */
-
 	/* Make sure the 1st call to netif_carrier_on() gets through */
 	netif_carrier_off(hsr_dev);