Commit b1b4aa91 authored by Murali Karicheri's avatar Murali Karicheri Committed by David S. Miller
Browse files

net: hsr: remove camel case usage in the code



Current driver code uses camel case in many places. This is
seen when ran checkpatch.pl -f on files under net/hsr. This
patch fixes the code to remove camel case usage.

Signed-off-by: default avatarMurali Karicheri <m-karicheri2@ti.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d131fcc6
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+15 −14
Original line number Diff line number Diff line
@@ -243,7 +243,7 @@ static const struct header_ops hsr_header_ops = {
};

static void send_hsr_supervision_frame(struct hsr_port *master,
				       u8 type, u8 hsrVer)
				       u8 type, u8 hsr_ver)
{
	struct sk_buff *skb;
	int hlen, tlen;
@@ -264,28 +264,28 @@ static void send_hsr_supervision_frame(struct hsr_port *master,
	skb_reserve(skb, hlen);

	skb->dev = master->dev;
	skb->protocol = htons(hsrVer ? ETH_P_HSR : ETH_P_PRP);
	skb->protocol = htons(hsr_ver ? ETH_P_HSR : ETH_P_PRP);
	skb->priority = TC_PRIO_CONTROL;

	if (dev_hard_header(skb, skb->dev, (hsrVer ? ETH_P_HSR : ETH_P_PRP),
	if (dev_hard_header(skb, skb->dev, (hsr_ver ? ETH_P_HSR : ETH_P_PRP),
			    master->hsr->sup_multicast_addr,
			    skb->dev->dev_addr, skb->len) <= 0)
		goto out;
	skb_reset_mac_header(skb);

	if (hsrVer > 0) {
	if (hsr_ver > 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, (hsrVer ? 0x0 : 0xf));
	set_hsr_stag_HSR_Ver(hsr_stag, hsrVer);
	set_hsr_stag_path(hsr_stag, (hsr_ver ? 0x0 : 0xf));
	set_hsr_stag_HSR_ver(hsr_stag, hsr_ver);

	/* From HSRv1 on we have separate supervision sequence numbers. */
	spin_lock_irqsave(&master->hsr->seqnr_lock, irqflags);
	if (hsrVer > 0) {
	if (hsr_ver > 0) {
		hsr_stag->sequence_nr = htons(master->hsr->sup_sequence_nr);
		hsr_tag->sequence_nr = htons(master->hsr->sequence_nr);
		master->hsr->sup_sequence_nr++;
@@ -296,13 +296,14 @@ static void send_hsr_supervision_frame(struct hsr_port *master,
	}
	spin_unlock_irqrestore(&master->hsr->seqnr_lock, irqflags);

	hsr_stag->HSR_TLV_Type = type;
	hsr_stag->HSR_TLV_type = type;
	/* TODO: Why 12 in HSRv0? */
	hsr_stag->HSR_TLV_Length = hsrVer ? sizeof(struct hsr_sup_payload) : 12;
	hsr_stag->HSR_TLV_length =
				hsr_ver ? sizeof(struct hsr_sup_payload) : 12;

	/* Payload: MacAddressA */
	hsr_sp = skb_put(skb, sizeof(struct hsr_sup_payload));
	ether_addr_copy(hsr_sp->MacAddressA, master->dev->dev_addr);
	ether_addr_copy(hsr_sp->macaddress_A, master->dev->dev_addr);

	if (skb_put_padto(skb, ETH_ZLEN + HSR_HLEN))
		return;
@@ -328,15 +329,15 @@ static void hsr_announce(struct timer_list *t)
	rcu_read_lock();
	master = hsr_port_get_hsr(hsr, HSR_PT_MASTER);

	if (hsr->announce_count < 3 && hsr->protVersion == 0) {
	if (hsr->announce_count < 3 && hsr->prot_version == 0) {
		send_hsr_supervision_frame(master, HSR_TLV_ANNOUNCE,
					   hsr->protVersion);
					   hsr->prot_version);
		hsr->announce_count++;

		interval = msecs_to_jiffies(HSR_ANNOUNCE_INTERVAL);
	} else {
		send_hsr_supervision_frame(master, HSR_TLV_LIFE_CHECK,
					   hsr->protVersion);
					   hsr->prot_version);

		interval = msecs_to_jiffies(HSR_LIFE_CHECK_INTERVAL);
	}
@@ -455,7 +456,7 @@ int hsr_dev_finalize(struct net_device *hsr_dev, struct net_device *slave[2],
	ether_addr_copy(hsr->sup_multicast_addr, def_multicast_addr);
	hsr->sup_multicast_addr[ETH_ALEN - 1] = multicast_spec;

	hsr->protVersion = protocol_version;
	hsr->prot_version = protocol_version;

	/* FIXME: should I modify the value of these?
	 *
+19 −19
Original line number Diff line number Diff line
@@ -48,40 +48,40 @@ struct hsr_frame_info {
 */
static bool is_supervision_frame(struct hsr_priv *hsr, struct sk_buff *skb)
{
	struct ethhdr *ethHdr;
	struct hsr_sup_tag *hsrSupTag;
	struct hsrv1_ethhdr_sp *hsrV1Hdr;
	struct ethhdr *eth_hdr;
	struct hsr_sup_tag *hsr_sup_tag;
	struct hsrv1_ethhdr_sp *hsr_V1_hdr;

	WARN_ON_ONCE(!skb_mac_header_was_set(skb));
	ethHdr = (struct ethhdr *)skb_mac_header(skb);
	eth_hdr = (struct ethhdr *)skb_mac_header(skb);

	/* Correct addr? */
	if (!ether_addr_equal(ethHdr->h_dest,
	if (!ether_addr_equal(eth_hdr->h_dest,
			      hsr->sup_multicast_addr))
		return false;

	/* Correct ether type?. */
	if (!(ethHdr->h_proto == htons(ETH_P_PRP) ||
	      ethHdr->h_proto == htons(ETH_P_HSR)))
	if (!(eth_hdr->h_proto == htons(ETH_P_PRP) ||
	      eth_hdr->h_proto == htons(ETH_P_HSR)))
		return false;

	/* Get the supervision header from correct location. */
	if (ethHdr->h_proto == htons(ETH_P_HSR)) { /* Okay HSRv1. */
		hsrV1Hdr = (struct hsrv1_ethhdr_sp *)skb_mac_header(skb);
		if (hsrV1Hdr->hsr.encap_proto != htons(ETH_P_PRP))
	if (eth_hdr->h_proto == htons(ETH_P_HSR)) { /* Okay HSRv1. */
		hsr_V1_hdr = (struct hsrv1_ethhdr_sp *)skb_mac_header(skb);
		if (hsr_V1_hdr->hsr.encap_proto != htons(ETH_P_PRP))
			return false;

		hsrSupTag = &hsrV1Hdr->hsr_sup;
		hsr_sup_tag = &hsr_V1_hdr->hsr_sup;
	} else {
		hsrSupTag =
		hsr_sup_tag =
		     &((struct hsrv0_ethhdr_sp *)skb_mac_header(skb))->hsr_sup;
	}

	if (hsrSupTag->HSR_TLV_Type != HSR_TLV_ANNOUNCE &&
	    hsrSupTag->HSR_TLV_Type != HSR_TLV_LIFE_CHECK)
	if (hsr_sup_tag->HSR_TLV_type != HSR_TLV_ANNOUNCE &&
	    hsr_sup_tag->HSR_TLV_type != HSR_TLV_LIFE_CHECK)
		return false;
	if (hsrSupTag->HSR_TLV_Length != 12 &&
	    hsrSupTag->HSR_TLV_Length != sizeof(struct hsr_sup_payload))
	if (hsr_sup_tag->HSR_TLV_length != 12 &&
	    hsr_sup_tag->HSR_TLV_length != sizeof(struct hsr_sup_payload))
		return false;

	return true;
@@ -125,7 +125,7 @@ static struct sk_buff *frame_get_stripped_skb(struct hsr_frame_info *frame,
}

static void hsr_fill_tag(struct sk_buff *skb, struct hsr_frame_info *frame,
			 struct hsr_port *port, u8 protoVersion)
			 struct hsr_port *port, u8 proto_version)
{
	struct hsr_ethhdr *hsr_ethhdr;
	int lane_id;
@@ -146,7 +146,7 @@ static void hsr_fill_tag(struct sk_buff *skb, struct hsr_frame_info *frame,
	set_hsr_tag_LSDU_size(&hsr_ethhdr->hsr_tag, lsdu_size);
	hsr_ethhdr->hsr_tag.sequence_nr = htons(frame->sequence_nr);
	hsr_ethhdr->hsr_tag.encap_proto = hsr_ethhdr->ethhdr.h_proto;
	hsr_ethhdr->ethhdr.h_proto = htons(protoVersion ?
	hsr_ethhdr->ethhdr.h_proto = htons(proto_version ?
			ETH_P_HSR : ETH_P_PRP);
}

@@ -176,7 +176,7 @@ static struct sk_buff *create_tagged_skb(struct sk_buff *skb_o,
	memmove(dst, src, movelen);
	skb_reset_mac_header(skb);

	hsr_fill_tag(skb, frame, port, port->hsr->protVersion);
	hsr_fill_tag(skb, frame, port, port->hsr->prot_version);

	return skb;
}
+35 −35
Original line number Diff line number Diff line
@@ -24,10 +24,10 @@

struct hsr_node {
	struct list_head	mac_list;
	unsigned char		MacAddressA[ETH_ALEN];
	unsigned char		MacAddressB[ETH_ALEN];
	unsigned char		macaddress_A[ETH_ALEN];
	unsigned char		macaddress_B[ETH_ALEN];
	/* Local slave through which AddrB frames are received from this node */
	enum hsr_port_type	AddrB_port;
	enum hsr_port_type	addr_B_port;
	unsigned long		time_in[HSR_PT_PORTS];
	bool			time_in_stale[HSR_PT_PORTS];
	u16			seq_out[HSR_PT_PORTS];
@@ -64,9 +64,9 @@ bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr)
		return false;
	}

	if (ether_addr_equal(addr, node->MacAddressA))
	if (ether_addr_equal(addr, node->macaddress_A))
		return true;
	if (ether_addr_equal(addr, node->MacAddressB))
	if (ether_addr_equal(addr, node->macaddress_B))
		return true;

	return false;
@@ -74,13 +74,13 @@ bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr)

/* Search for mac entry. Caller must hold rcu read lock.
 */
static struct hsr_node *find_node_by_AddrA(struct list_head *node_db,
static struct hsr_node *find_node_by_addr_A(struct list_head *node_db,
					    const unsigned char addr[ETH_ALEN])
{
	struct hsr_node *node;

	list_for_each_entry_rcu(node, node_db, mac_list) {
		if (ether_addr_equal(node->MacAddressA, addr))
		if (ether_addr_equal(node->macaddress_A, addr))
			return node;
	}

@@ -100,8 +100,8 @@ int hsr_create_self_node(struct list_head *self_node_db,
	if (!node)
		return -ENOMEM;

	ether_addr_copy(node->MacAddressA, addr_a);
	ether_addr_copy(node->MacAddressB, addr_b);
	ether_addr_copy(node->macaddress_A, addr_a);
	ether_addr_copy(node->macaddress_B, addr_b);

	rcu_read_lock();
	oldnode = list_first_or_null_rcu(self_node_db,
@@ -132,7 +132,7 @@ void hsr_del_node(struct list_head *self_node_db)
	}
}

/* Allocate an hsr_node and add it to node_db. 'addr' is the node's AddressA;
/* Allocate an hsr_node and add it to node_db. 'addr' is the node's address_A;
 * seq_out is used to initialize filtering of outgoing duplicate frames
 * originating from the newly added node.
 */
@@ -147,7 +147,7 @@ struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
	if (!node)
		return NULL;

	ether_addr_copy(node->MacAddressA, addr);
	ether_addr_copy(node->macaddress_A, addr);

	/* We are only interested in time diffs here, so use current jiffies
	 * as initialization. (0 could trigger an spurious ring error warning).
@@ -179,9 +179,9 @@ struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
	ethhdr = (struct ethhdr *)skb_mac_header(skb);

	list_for_each_entry_rcu(node, node_db, mac_list) {
		if (ether_addr_equal(node->MacAddressA, ethhdr->h_source))
		if (ether_addr_equal(node->macaddress_A, ethhdr->h_source))
			return node;
		if (ether_addr_equal(node->MacAddressB, ethhdr->h_source))
		if (ether_addr_equal(node->macaddress_B, ethhdr->h_source))
			return node;
	}

@@ -205,8 +205,8 @@ struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
	return hsr_add_node(node_db, ethhdr->h_source, seq_out);
}

/* Use the Supervision frame's info about an eventual MacAddressB for merging
 * nodes that has previously had their MacAddressB registered as a separate
/* Use the Supervision frame's info about an eventual macaddress_B for merging
 * nodes that has previously had their macaddress_B registered as a separate
 * node.
 */
void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
@@ -232,12 +232,12 @@ void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,

	hsr_sp = (struct hsr_sup_payload *)skb->data;

	/* Merge node_curr (registered on MacAddressB) into node_real */
	/* Merge node_curr (registered on macaddress_B) into node_real */
	node_db = &port_rcv->hsr->node_db;
	node_real = find_node_by_AddrA(node_db, hsr_sp->MacAddressA);
	node_real = find_node_by_addr_A(node_db, hsr_sp->macaddress_A);
	if (!node_real)
		/* No frame received from AddrA of this node yet */
		node_real = hsr_add_node(node_db, hsr_sp->MacAddressA,
		node_real = hsr_add_node(node_db, hsr_sp->macaddress_A,
					 HSR_SEQNR_START - 1);
	if (!node_real)
		goto done; /* No mem */
@@ -245,7 +245,7 @@ void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
		/* Node has already been merged */
		goto done;

	ether_addr_copy(node_real->MacAddressB, ethhdr->h_source);
	ether_addr_copy(node_real->macaddress_B, ethhdr->h_source);
	for (i = 0; i < HSR_PT_PORTS; i++) {
		if (!node_curr->time_in_stale[i] &&
		    time_after(node_curr->time_in[i], node_real->time_in[i])) {
@@ -256,7 +256,7 @@ void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
		if (seq_nr_after(node_curr->seq_out[i], node_real->seq_out[i]))
			node_real->seq_out[i] = node_curr->seq_out[i];
	}
	node_real->AddrB_port = port_rcv->type;
	node_real->addr_B_port = port_rcv->type;

	list_del_rcu(&node_curr->mac_list);
	kfree_rcu(node_curr, rcu_head);
@@ -268,7 +268,7 @@ done:
/* 'skb' is a frame meant for this host, that is to be passed to upper layers.
 *
 * If the frame was sent by a node's B interface, replace the source
 * address with that node's "official" address (MacAddressA) so that upper
 * address with that node's "official" address (macaddress_A) so that upper
 * layers recognize where it came from.
 */
void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb)
@@ -278,7 +278,7 @@ void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb)
		return;
	}

	memcpy(&eth_hdr(skb)->h_source, node->MacAddressA, ETH_ALEN);
	memcpy(&eth_hdr(skb)->h_source, node->macaddress_A, ETH_ALEN);
}

/* 'skb' is a frame meant for another host.
@@ -303,16 +303,16 @@ void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb,
	if (!is_unicast_ether_addr(eth_hdr(skb)->h_dest))
		return;

	node_dst = find_node_by_AddrA(&port->hsr->node_db,
	node_dst = find_node_by_addr_A(&port->hsr->node_db,
				       eth_hdr(skb)->h_dest);
	if (!node_dst) {
		WARN_ONCE(1, "%s: Unknown node\n", __func__);
		return;
	}
	if (port->type != node_dst->AddrB_port)
	if (port->type != node_dst->addr_B_port)
		return;

	ether_addr_copy(eth_hdr(skb)->h_dest, node_dst->MacAddressB);
	ether_addr_copy(eth_hdr(skb)->h_dest, node_dst->macaddress_B);
}

void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,
@@ -406,14 +406,14 @@ void hsr_prune_nodes(struct timer_list *t)
			rcu_read_lock();
			port = get_late_port(hsr, node);
			if (port)
				hsr_nl_ringerror(hsr, node->MacAddressA, port);
				hsr_nl_ringerror(hsr, node->macaddress_A, port);
			rcu_read_unlock();
		}

		/* Prune old entries */
		if (time_is_before_jiffies(timestamp +
				msecs_to_jiffies(HSR_NODE_FORGET_TIME))) {
			hsr_nl_nodedown(hsr, node->MacAddressA);
			hsr_nl_nodedown(hsr, node->macaddress_A);
			list_del_rcu(&node->mac_list);
			/* Note that we need to free this entry later: */
			kfree_rcu(node, rcu_head);
@@ -431,13 +431,13 @@ void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,
		node = list_first_or_null_rcu(&hsr->node_db,
					      struct hsr_node, mac_list);
		if (node)
			ether_addr_copy(addr, node->MacAddressA);
			ether_addr_copy(addr, node->macaddress_A);
		return node;
	}

	node = _pos;
	list_for_each_entry_continue_rcu(node, &hsr->node_db, mac_list) {
		ether_addr_copy(addr, node->MacAddressA);
		ether_addr_copy(addr, node->macaddress_A);
		return node;
	}

@@ -458,13 +458,13 @@ int hsr_get_node_data(struct hsr_priv *hsr,
	unsigned long tdiff;

	rcu_read_lock();
	node = find_node_by_AddrA(&hsr->node_db, addr);
	node = find_node_by_addr_A(&hsr->node_db, addr);
	if (!node) {
		rcu_read_unlock();
		return -ENOENT;	/* No such entry */
	}

	ether_addr_copy(addr_b, node->MacAddressB);
	ether_addr_copy(addr_b, node->macaddress_B);

	tdiff = jiffies - node->time_in[HSR_PT_SLAVE_A];
	if (node->time_in_stale[HSR_PT_SLAVE_A])
@@ -490,8 +490,8 @@ int hsr_get_node_data(struct hsr_priv *hsr,
	*if1_seq = node->seq_out[HSR_PT_SLAVE_B];
	*if2_seq = node->seq_out[HSR_PT_SLAVE_A];

	if (node->AddrB_port != HSR_PT_NONE) {
		port = hsr_port_get_hsr(hsr, node->AddrB_port);
	if (node->addr_B_port != HSR_PT_NONE) {
		port = hsr_port_get_hsr(hsr, node->addr_B_port);
		*addr_b_ifindex = port->dev->ifindex;
	} else {
		*addr_b_ifindex = -1;
+7 −7
Original line number Diff line number Diff line
@@ -97,14 +97,14 @@ struct hsr_ethhdr {
 * Field names as defined in the IEC:2010 standard for HSR.
 */
struct hsr_sup_tag {
	__be16		path_and_HSR_Ver;
	__be16		path_and_HSR_ver;
	__be16		sequence_nr;
	__u8		HSR_TLV_Type;
	__u8		HSR_TLV_Length;
	__u8		HSR_TLV_type;
	__u8		HSR_TLV_length;
} __packed;

struct hsr_sup_payload {
	unsigned char	MacAddressA[ETH_ALEN];
	unsigned char	macaddress_A[ETH_ALEN];
} __packed;

static inline u16 get_hsr_stag_path(struct hsr_sup_tag *hst)
@@ -122,9 +122,9 @@ static inline void set_hsr_stag_path(struct hsr_sup_tag *hst, u16 path)
	set_hsr_tag_path((struct hsr_tag *)hst, path);
}

static inline void set_hsr_stag_HSR_Ver(struct hsr_sup_tag *hst, u16 HSR_Ver)
static inline void set_hsr_stag_HSR_ver(struct hsr_sup_tag *hst, u16 HSR_ver)
{
	set_hsr_tag_LSDU_size((struct hsr_tag *)hst, HSR_Ver);
	set_hsr_tag_LSDU_size((struct hsr_tag *)hst, HSR_ver);
}

struct hsrv0_ethhdr_sp {
@@ -164,7 +164,7 @@ struct hsr_priv {
	int announce_count;
	u16 sequence_nr;
	u16 sup_sequence_nr;	/* For HSRv1 separate seq_nr for supervision */
	u8 protVersion;		/* Indicate if HSRv0 or HSRv1. */
	u8 prot_version;		/* Indicate if HSRv0 or HSRv1. */
	spinlock_t seqnr_lock;			/* locking for sequence_nr */
	unsigned char		sup_multicast_addr[ETH_ALEN];
};