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Commit 324fd55a authored by Christoph Paasch's avatar Christoph Paasch Committed by David S. Miller
Browse files

tcp: metrics: rename tcpm_addr to tcpm_daddr 



As we will add also the source-address, we rename all accesses to the
tcp-metrics address to use "daddr".

Signed-off-by: default avatarChristoph Paasch <christoph.paasch@uclouvain.be>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1a6c1e5b

net/ipv4/tcp_metrics.c

+36 −36
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ struct tcp_fastopen_metrics { 


struct tcp_metrics_block {

	struct tcp_metrics_block __rcu	*tcpm_next;

	struct inetpeer_addr		tcpm_addr;

	struct inetpeer_addr		tcpm_daddr;

	unsigned long			tcpm_stamp;

	u32				tcpm_ts;

	u32				tcpm_ts_stamp;
@@ -131,7 +131,7 @@ static void tcpm_suck_dst(struct tcp_metrics_block *tm, struct dst_entry *dst, 
}



static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst,

					  struct inetpeer_addr *addr,

					  struct inetpeer_addr *daddr,

					  unsigned int hash,

					  bool reclaim)

{
@@ -155,7 +155,7 @@ static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst, 
		if (!tm)

			goto out_unlock;

	}

	tm->tcpm_addr = *addr;

	tm->tcpm_daddr = *daddr;



	tcpm_suck_dst(tm, dst, true);
@@ -189,7 +189,7 @@ static struct tcp_metrics_block *tcp_get_encode(struct tcp_metrics_block *tm, in 
	return NULL;

}



static struct tcp_metrics_block *__tcp_get_metrics(const struct inetpeer_addr *addr,

static struct tcp_metrics_block *__tcp_get_metrics(const struct inetpeer_addr *daddr,

						   struct net *net, unsigned int hash)

{

	struct tcp_metrics_block *tm;
@@ -197,7 +197,7 @@ static struct tcp_metrics_block *__tcp_get_metrics(const struct inetpeer_addr *a 


	for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;

	     tm = rcu_dereference(tm->tcpm_next)) {

		if (addr_same(&tm->tcpm_addr, addr))

		if (addr_same(&tm->tcpm_daddr, daddr))

			break;

		depth++;

	}
@@ -208,19 +208,19 @@ static struct tcp_metrics_block *__tcp_get_metrics_req(struct request_sock *req, 
						       struct dst_entry *dst)

{

	struct tcp_metrics_block *tm;

	struct inetpeer_addr addr;

	struct inetpeer_addr daddr;

	unsigned int hash;

	struct net *net;



	addr.family = req->rsk_ops->family;

	switch (addr.family) {

	daddr.family = req->rsk_ops->family;

	switch (daddr.family) {

	case AF_INET:

		addr.addr.a4 = inet_rsk(req)->ir_rmt_addr;

		hash = (__force unsigned int) addr.addr.a4;

		daddr.addr.a4 = inet_rsk(req)->ir_rmt_addr;

		hash = (__force unsigned int) daddr.addr.a4;

		break;

#if IS_ENABLED(CONFIG_IPV6)

	case AF_INET6:

		*(struct in6_addr *)addr.addr.a6 = inet_rsk(req)->ir_v6_rmt_addr;

		*(struct in6_addr *)daddr.addr.a6 = inet_rsk(req)->ir_v6_rmt_addr;

		hash = ipv6_addr_hash(&inet_rsk(req)->ir_v6_rmt_addr);

		break;

#endif
@@ -233,7 +233,7 @@ static struct tcp_metrics_block *__tcp_get_metrics_req(struct request_sock *req, 


	for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;

	     tm = rcu_dereference(tm->tcpm_next)) {

		if (addr_same(&tm->tcpm_addr, &addr))

		if (addr_same(&tm->tcpm_daddr, &daddr))

			break;

	}

	tcpm_check_stamp(tm, dst);
@@ -243,19 +243,19 @@ static struct tcp_metrics_block *__tcp_get_metrics_req(struct request_sock *req, 
static struct tcp_metrics_block *__tcp_get_metrics_tw(struct inet_timewait_sock *tw)

{

	struct tcp_metrics_block *tm;

	struct inetpeer_addr addr;

	struct inetpeer_addr daddr;

	unsigned int hash;

	struct net *net;



	addr.family = tw->tw_family;

	switch (addr.family) {

	daddr.family = tw->tw_family;

	switch (daddr.family) {

	case AF_INET:

		addr.addr.a4 = tw->tw_daddr;

		hash = (__force unsigned int) addr.addr.a4;

		daddr.addr.a4 = tw->tw_daddr;

		hash = (__force unsigned int) daddr.addr.a4;

		break;

#if IS_ENABLED(CONFIG_IPV6)

	case AF_INET6:

		*(struct in6_addr *)addr.addr.a6 = tw->tw_v6_daddr;

		*(struct in6_addr *)daddr.addr.a6 = tw->tw_v6_daddr;

		hash = ipv6_addr_hash(&tw->tw_v6_daddr);

		break;

#endif
@@ -268,7 +268,7 @@ static struct tcp_metrics_block *__tcp_get_metrics_tw(struct inet_timewait_sock 


	for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;

	     tm = rcu_dereference(tm->tcpm_next)) {

		if (addr_same(&tm->tcpm_addr, &addr))

		if (addr_same(&tm->tcpm_daddr, &daddr))

			break;

	}

	return tm;
@@ -279,20 +279,20 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk, 
						 bool create)

{

	struct tcp_metrics_block *tm;

	struct inetpeer_addr addr;

	struct inetpeer_addr daddr;

	unsigned int hash;

	struct net *net;

	bool reclaim;



	addr.family = sk->sk_family;

	switch (addr.family) {

	daddr.family = sk->sk_family;

	switch (daddr.family) {

	case AF_INET:

		addr.addr.a4 = inet_sk(sk)->inet_daddr;

		hash = (__force unsigned int) addr.addr.a4;

		daddr.addr.a4 = inet_sk(sk)->inet_daddr;

		hash = (__force unsigned int) daddr.addr.a4;

		break;

#if IS_ENABLED(CONFIG_IPV6)

	case AF_INET6:

		*(struct in6_addr *)addr.addr.a6 = sk->sk_v6_daddr;

		*(struct in6_addr *)daddr.addr.a6 = sk->sk_v6_daddr;

		hash = ipv6_addr_hash(&sk->sk_v6_daddr);

		break;

#endif
@@ -303,14 +303,14 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk, 
	net = dev_net(dst->dev);

	hash = hash_32(hash, net->ipv4.tcp_metrics_hash_log);



	tm = __tcp_get_metrics(&addr, net, hash);

	tm = __tcp_get_metrics(&daddr, net, hash);

	reclaim = false;

	if (tm == TCP_METRICS_RECLAIM_PTR) {

		reclaim = true;

		tm = NULL;

	}

	if (!tm && create)

		tm = tcpm_new(dst, &addr, hash, reclaim);

		tm = tcpm_new(dst, &daddr, hash, reclaim);

	else

		tcpm_check_stamp(tm, dst);
@@ -724,15 +724,15 @@ static int tcp_metrics_fill_info(struct sk_buff *msg, 
	struct nlattr *nest;

	int i;



	switch (tm->tcpm_addr.family) {

	switch (tm->tcpm_daddr.family) {

	case AF_INET:

		if (nla_put_be32(msg, TCP_METRICS_ATTR_ADDR_IPV4,

				tm->tcpm_addr.addr.a4) < 0)

				tm->tcpm_daddr.addr.a4) < 0)

			goto nla_put_failure;

		break;

	case AF_INET6:

		if (nla_put(msg, TCP_METRICS_ATTR_ADDR_IPV6, 16,

			    tm->tcpm_addr.addr.a6) < 0)

			    tm->tcpm_daddr.addr.a6) < 0)

			goto nla_put_failure;

		break;

	default:
@@ -882,14 +882,14 @@ static int parse_nl_addr(struct genl_info *info, struct inetpeer_addr *addr, 
static int tcp_metrics_nl_cmd_get(struct sk_buff *skb, struct genl_info *info)

{

	struct tcp_metrics_block *tm;

	struct inetpeer_addr addr;

	struct inetpeer_addr daddr;

	unsigned int hash;

	struct sk_buff *msg;

	struct net *net = genl_info_net(info);

	void *reply;

	int ret;



	ret = parse_nl_addr(info, &addr, &hash, 0);

	ret = parse_nl_addr(info, &daddr, &hash, 0);

	if (ret < 0)

		return ret;
@@ -907,7 +907,7 @@ static int tcp_metrics_nl_cmd_get(struct sk_buff *skb, struct genl_info *info) 
	rcu_read_lock();

	for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;

	     tm = rcu_dereference(tm->tcpm_next)) {

		if (addr_same(&tm->tcpm_addr, &addr)) {

		if (addr_same(&tm->tcpm_daddr, &daddr)) {

			ret = tcp_metrics_fill_info(msg, tm);

			break;

		}
@@ -962,12 +962,12 @@ static int tcp_metrics_nl_cmd_del(struct sk_buff *skb, struct genl_info *info) 
	struct tcpm_hash_bucket *hb;

	struct tcp_metrics_block *tm;

	struct tcp_metrics_block __rcu **pp;

	struct inetpeer_addr addr;

	struct inetpeer_addr daddr;

	unsigned int hash;

	struct net *net = genl_info_net(info);

	int ret;



	ret = parse_nl_addr(info, &addr, &hash, 1);

	ret = parse_nl_addr(info, &daddr, &hash, 1);

	if (ret < 0)

		return ret;

	if (ret > 0)
@@ -979,7 +979,7 @@ static int tcp_metrics_nl_cmd_del(struct sk_buff *skb, struct genl_info *info) 
	spin_lock_bh(&tcp_metrics_lock);

	for (tm = deref_locked_genl(*pp); tm;

	     pp = &tm->tcpm_next, tm = deref_locked_genl(*pp)) {

		if (addr_same(&tm->tcpm_addr, &addr)) {

		if (addr_same(&tm->tcpm_daddr, &daddr)) {

			*pp = tm->tcpm_next;

			break;

		}