forked from Minki/linux
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: Christoph Paasch <christoph.paasch@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Paasch
David S. Miller
parent
1a6c1e5bd2
commit
324fd55a19
@ -31,7 +31,7 @@ struct tcp_fastopen_metrics {
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struct tcp_metrics_block {
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struct tcp_metrics_block __rcu *tcpm_next;
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struct inetpeer_addr tcpm_addr;
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struct inetpeer_addr tcpm_daddr;
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unsigned long tcpm_stamp;
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u32 tcpm_ts;
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u32 tcpm_ts_stamp;
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@ -131,7 +131,7 @@ static void tcpm_suck_dst(struct tcp_metrics_block *tm, struct dst_entry *dst,
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}
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static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst,
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struct inetpeer_addr *addr,
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struct inetpeer_addr *daddr,
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unsigned int hash,
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bool reclaim)
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{
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@ -155,7 +155,7 @@ static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst,
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if (!tm)
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goto out_unlock;
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}
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tm->tcpm_addr = *addr;
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tm->tcpm_daddr = *daddr;
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tcpm_suck_dst(tm, dst, true);
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@ -189,7 +189,7 @@ static struct tcp_metrics_block *tcp_get_encode(struct tcp_metrics_block *tm, in
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return NULL;
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}
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static struct tcp_metrics_block *__tcp_get_metrics(const struct inetpeer_addr *addr,
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static struct tcp_metrics_block *__tcp_get_metrics(const struct inetpeer_addr *daddr,
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struct net *net, unsigned int hash)
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{
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struct tcp_metrics_block *tm;
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@ -197,7 +197,7 @@ static struct tcp_metrics_block *__tcp_get_metrics(const struct inetpeer_addr *a
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for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;
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tm = rcu_dereference(tm->tcpm_next)) {
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if (addr_same(&tm->tcpm_addr, addr))
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if (addr_same(&tm->tcpm_daddr, daddr))
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break;
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depth++;
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}
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@ -208,19 +208,19 @@ static struct tcp_metrics_block *__tcp_get_metrics_req(struct request_sock *req,
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struct dst_entry *dst)
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{
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struct tcp_metrics_block *tm;
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struct inetpeer_addr addr;
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struct inetpeer_addr daddr;
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unsigned int hash;
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struct net *net;
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addr.family = req->rsk_ops->family;
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switch (addr.family) {
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daddr.family = req->rsk_ops->family;
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switch (daddr.family) {
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case AF_INET:
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addr.addr.a4 = inet_rsk(req)->ir_rmt_addr;
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hash = (__force unsigned int) addr.addr.a4;
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daddr.addr.a4 = inet_rsk(req)->ir_rmt_addr;
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hash = (__force unsigned int) daddr.addr.a4;
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break;
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#if IS_ENABLED(CONFIG_IPV6)
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case AF_INET6:
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*(struct in6_addr *)addr.addr.a6 = inet_rsk(req)->ir_v6_rmt_addr;
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*(struct in6_addr *)daddr.addr.a6 = inet_rsk(req)->ir_v6_rmt_addr;
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hash = ipv6_addr_hash(&inet_rsk(req)->ir_v6_rmt_addr);
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break;
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#endif
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@ -233,7 +233,7 @@ static struct tcp_metrics_block *__tcp_get_metrics_req(struct request_sock *req,
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for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;
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tm = rcu_dereference(tm->tcpm_next)) {
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if (addr_same(&tm->tcpm_addr, &addr))
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if (addr_same(&tm->tcpm_daddr, &daddr))
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break;
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}
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tcpm_check_stamp(tm, dst);
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@ -243,19 +243,19 @@ static struct tcp_metrics_block *__tcp_get_metrics_req(struct request_sock *req,
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static struct tcp_metrics_block *__tcp_get_metrics_tw(struct inet_timewait_sock *tw)
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{
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struct tcp_metrics_block *tm;
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struct inetpeer_addr addr;
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struct inetpeer_addr daddr;
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unsigned int hash;
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struct net *net;
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addr.family = tw->tw_family;
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switch (addr.family) {
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daddr.family = tw->tw_family;
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switch (daddr.family) {
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case AF_INET:
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addr.addr.a4 = tw->tw_daddr;
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hash = (__force unsigned int) addr.addr.a4;
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daddr.addr.a4 = tw->tw_daddr;
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hash = (__force unsigned int) daddr.addr.a4;
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break;
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#if IS_ENABLED(CONFIG_IPV6)
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case AF_INET6:
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*(struct in6_addr *)addr.addr.a6 = tw->tw_v6_daddr;
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*(struct in6_addr *)daddr.addr.a6 = tw->tw_v6_daddr;
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hash = ipv6_addr_hash(&tw->tw_v6_daddr);
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break;
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#endif
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@ -268,7 +268,7 @@ static struct tcp_metrics_block *__tcp_get_metrics_tw(struct inet_timewait_sock
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for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;
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tm = rcu_dereference(tm->tcpm_next)) {
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if (addr_same(&tm->tcpm_addr, &addr))
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if (addr_same(&tm->tcpm_daddr, &daddr))
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break;
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}
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return tm;
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@ -279,20 +279,20 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk,
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bool create)
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{
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struct tcp_metrics_block *tm;
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struct inetpeer_addr addr;
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struct inetpeer_addr daddr;
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unsigned int hash;
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struct net *net;
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bool reclaim;
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addr.family = sk->sk_family;
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switch (addr.family) {
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daddr.family = sk->sk_family;
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switch (daddr.family) {
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case AF_INET:
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addr.addr.a4 = inet_sk(sk)->inet_daddr;
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hash = (__force unsigned int) addr.addr.a4;
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daddr.addr.a4 = inet_sk(sk)->inet_daddr;
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hash = (__force unsigned int) daddr.addr.a4;
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break;
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#if IS_ENABLED(CONFIG_IPV6)
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case AF_INET6:
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*(struct in6_addr *)addr.addr.a6 = sk->sk_v6_daddr;
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*(struct in6_addr *)daddr.addr.a6 = sk->sk_v6_daddr;
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hash = ipv6_addr_hash(&sk->sk_v6_daddr);
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break;
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#endif
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@ -303,14 +303,14 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk,
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net = dev_net(dst->dev);
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hash = hash_32(hash, net->ipv4.tcp_metrics_hash_log);
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tm = __tcp_get_metrics(&addr, net, hash);
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tm = __tcp_get_metrics(&daddr, net, hash);
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reclaim = false;
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if (tm == TCP_METRICS_RECLAIM_PTR) {
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reclaim = true;
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tm = NULL;
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}
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if (!tm && create)
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tm = tcpm_new(dst, &addr, hash, reclaim);
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tm = tcpm_new(dst, &daddr, hash, reclaim);
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else
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tcpm_check_stamp(tm, dst);
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@ -724,15 +724,15 @@ static int tcp_metrics_fill_info(struct sk_buff *msg,
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struct nlattr *nest;
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int i;
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switch (tm->tcpm_addr.family) {
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switch (tm->tcpm_daddr.family) {
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case AF_INET:
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if (nla_put_be32(msg, TCP_METRICS_ATTR_ADDR_IPV4,
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tm->tcpm_addr.addr.a4) < 0)
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tm->tcpm_daddr.addr.a4) < 0)
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goto nla_put_failure;
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break;
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case AF_INET6:
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if (nla_put(msg, TCP_METRICS_ATTR_ADDR_IPV6, 16,
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tm->tcpm_addr.addr.a6) < 0)
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tm->tcpm_daddr.addr.a6) < 0)
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goto nla_put_failure;
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break;
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default:
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@ -882,14 +882,14 @@ static int parse_nl_addr(struct genl_info *info, struct inetpeer_addr *addr,
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static int tcp_metrics_nl_cmd_get(struct sk_buff *skb, struct genl_info *info)
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{
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struct tcp_metrics_block *tm;
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struct inetpeer_addr addr;
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struct inetpeer_addr daddr;
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unsigned int hash;
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struct sk_buff *msg;
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struct net *net = genl_info_net(info);
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void *reply;
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int ret;
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ret = parse_nl_addr(info, &addr, &hash, 0);
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ret = parse_nl_addr(info, &daddr, &hash, 0);
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if (ret < 0)
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return ret;
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@ -907,7 +907,7 @@ static int tcp_metrics_nl_cmd_get(struct sk_buff *skb, struct genl_info *info)
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rcu_read_lock();
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for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;
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tm = rcu_dereference(tm->tcpm_next)) {
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if (addr_same(&tm->tcpm_addr, &addr)) {
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if (addr_same(&tm->tcpm_daddr, &daddr)) {
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ret = tcp_metrics_fill_info(msg, tm);
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break;
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}
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@ -962,12 +962,12 @@ static int tcp_metrics_nl_cmd_del(struct sk_buff *skb, struct genl_info *info)
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struct tcpm_hash_bucket *hb;
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struct tcp_metrics_block *tm;
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struct tcp_metrics_block __rcu **pp;
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struct inetpeer_addr addr;
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struct inetpeer_addr daddr;
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unsigned int hash;
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struct net *net = genl_info_net(info);
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int ret;
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ret = parse_nl_addr(info, &addr, &hash, 1);
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ret = parse_nl_addr(info, &daddr, &hash, 1);
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if (ret < 0)
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return ret;
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if (ret > 0)
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@ -979,7 +979,7 @@ static int tcp_metrics_nl_cmd_del(struct sk_buff *skb, struct genl_info *info)
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spin_lock_bh(&tcp_metrics_lock);
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for (tm = deref_locked_genl(*pp); tm;
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pp = &tm->tcpm_next, tm = deref_locked_genl(*pp)) {
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if (addr_same(&tm->tcpm_addr, &addr)) {
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if (addr_same(&tm->tcpm_daddr, &daddr)) {
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*pp = tm->tcpm_next;
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break;
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}
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