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tcp: metrics: rename tcpm_addr to tcpm_daddr

Browse source 
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 2014-01-08 16:05:55 +01:00 • committed by David S. Miller
parent 1a6c1e5bd2
commit 324fd55a19
1 changed files with 36 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

72
net/ipv4/tcp_metrics.c
View file

@ -31,7 +31,7 @@ struct tcp_fastopen_metrics {
struct tcp_metrics_block { struct tcp_metrics_block {
struct tcp_metrics_block __rcu *tcpm_next; struct tcp_metrics_block __rcu *tcpm_next;
struct inetpeer_addr tcpm_addr; struct inetpeer_addr tcpm_daddr;
unsigned long tcpm_stamp; unsigned long tcpm_stamp;
u32 tcpm_ts; u32 tcpm_ts;
u32 tcpm_ts_stamp; 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, static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst,
struct inetpeer_addr *addr, struct inetpeer_addr *daddr,
unsigned int hash, unsigned int hash,
bool reclaim) bool reclaim)
{ {
@ -155,7 +155,7 @@ static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst,
if (!tm) if (!tm)
goto out_unlock; goto out_unlock;
} }
tm->tcpm_addr = *addr; tm->tcpm_daddr = *daddr;
tcpm_suck_dst(tm, dst, true); 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; 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 net *net, unsigned int hash)
{ {
struct tcp_metrics_block *tm; 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; for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;
tm = rcu_dereference(tm->tcpm_next)) { tm = rcu_dereference(tm->tcpm_next)) {
if (addr_same(&tm->tcpm_addr, addr)) if (addr_same(&tm->tcpm_daddr, daddr))
break; break;
depth++; depth++;
} }
@ -208,19 +208,19 @@ static struct tcp_metrics_block *__tcp_get_metrics_req(struct request_sock *req,
struct dst_entry *dst) struct dst_entry *dst)
{ {
struct tcp_metrics_block *tm; struct tcp_metrics_block *tm;
struct inetpeer_addr addr; struct inetpeer_addr daddr;
unsigned int hash; unsigned int hash;
struct net *net; struct net *net;
addr.family = req->rsk_ops->family; daddr.family = req->rsk_ops->family;
switch (addr.family) { switch (daddr.family) {
case AF_INET: case AF_INET:
addr.addr.a4 = inet_rsk(req)->ir_rmt_addr; daddr.addr.a4 = inet_rsk(req)->ir_rmt_addr;
hash = (__force unsigned int) addr.addr.a4; hash = (__force unsigned int) daddr.addr.a4;
break; break;
#if IS_ENABLED(CONFIG_IPV6) #if IS_ENABLED(CONFIG_IPV6)
case AF_INET6: 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); hash = ipv6_addr_hash(&inet_rsk(req)->ir_v6_rmt_addr);
break; break;
#endif #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; for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;
tm = rcu_dereference(tm->tcpm_next)) { tm = rcu_dereference(tm->tcpm_next)) {
if (addr_same(&tm->tcpm_addr, &addr)) if (addr_same(&tm->tcpm_daddr, &daddr))
break; break;
} }
tcpm_check_stamp(tm, dst); 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) static struct tcp_metrics_block *__tcp_get_metrics_tw(struct inet_timewait_sock *tw)
{ {
struct tcp_metrics_block *tm; struct tcp_metrics_block *tm;
struct inetpeer_addr addr; struct inetpeer_addr daddr;
unsigned int hash; unsigned int hash;
struct net *net; struct net *net;
addr.family = tw->tw_family; daddr.family = tw->tw_family;
switch (addr.family) { switch (daddr.family) {
case AF_INET: case AF_INET:
addr.addr.a4 = tw->tw_daddr; daddr.addr.a4 = tw->tw_daddr;
hash = (__force unsigned int) addr.addr.a4; hash = (__force unsigned int) daddr.addr.a4;
break; break;
#if IS_ENABLED(CONFIG_IPV6) #if IS_ENABLED(CONFIG_IPV6)
case AF_INET6: 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); hash = ipv6_addr_hash(&tw->tw_v6_daddr);
break; break;
#endif #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; for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;
tm = rcu_dereference(tm->tcpm_next)) { tm = rcu_dereference(tm->tcpm_next)) {
if (addr_same(&tm->tcpm_addr, &addr)) if (addr_same(&tm->tcpm_daddr, &daddr))
break; break;
} }
return tm; return tm;
@ -279,20 +279,20 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk,
bool create) bool create)
{ {
struct tcp_metrics_block *tm; struct tcp_metrics_block *tm;
struct inetpeer_addr addr; struct inetpeer_addr daddr;
unsigned int hash; unsigned int hash;
struct net *net; struct net *net;
bool reclaim; bool reclaim;
addr.family = sk->sk_family; daddr.family = sk->sk_family;
switch (addr.family) { switch (daddr.family) {
case AF_INET: case AF_INET:
addr.addr.a4 = inet_sk(sk)->inet_daddr; daddr.addr.a4 = inet_sk(sk)->inet_daddr;
hash = (__force unsigned int) addr.addr.a4; hash = (__force unsigned int) daddr.addr.a4;
break; break;
#if IS_ENABLED(CONFIG_IPV6) #if IS_ENABLED(CONFIG_IPV6)
case AF_INET6: 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); hash = ipv6_addr_hash(&sk->sk_v6_daddr);
break; break;
#endif #endif
@ -303,14 +303,14 @@ static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk,
net = dev_net(dst->dev); net = dev_net(dst->dev);
hash = hash_32(hash, net->ipv4.tcp_metrics_hash_log); 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; reclaim = false;
if (tm == TCP_METRICS_RECLAIM_PTR) { if (tm == TCP_METRICS_RECLAIM_PTR) {
reclaim = true; reclaim = true;
tm = NULL; tm = NULL;
} }
if (!tm && create) if (!tm && create)
tm = tcpm_new(dst, &addr, hash, reclaim); tm = tcpm_new(dst, &daddr, hash, reclaim);
else else
tcpm_check_stamp(tm, dst); tcpm_check_stamp(tm, dst);
@ -724,15 +724,15 @@ static int tcp_metrics_fill_info(struct sk_buff *msg,
struct nlattr *nest; struct nlattr *nest;
int i; int i;
switch (tm->tcpm_addr.family) { switch (tm->tcpm_daddr.family) {
case AF_INET: case AF_INET:
if (nla_put_be32(msg, TCP_METRICS_ATTR_ADDR_IPV4, 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; goto nla_put_failure;
break; break;
case AF_INET6: case AF_INET6:
if (nla_put(msg, TCP_METRICS_ATTR_ADDR_IPV6, 16, 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; goto nla_put_failure;
break; break;
default: 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) static int tcp_metrics_nl_cmd_get(struct sk_buff *skb, struct genl_info *info)
{ {
struct tcp_metrics_block *tm; struct tcp_metrics_block *tm;
struct inetpeer_addr addr; struct inetpeer_addr daddr;
unsigned int hash; unsigned int hash;
struct sk_buff *msg; struct sk_buff *msg;
struct net *net = genl_info_net(info); struct net *net = genl_info_net(info);
void *reply; void *reply;
int ret; int ret;
ret = parse_nl_addr(info, &addr, &hash, 0); ret = parse_nl_addr(info, &daddr, &hash, 0);
if (ret < 0) if (ret < 0)
return ret; return ret;
@ -907,7 +907,7 @@ static int tcp_metrics_nl_cmd_get(struct sk_buff *skb, struct genl_info *info)
rcu_read_lock(); rcu_read_lock();
for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm; for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm;
tm = rcu_dereference(tm->tcpm_next)) { 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); ret = tcp_metrics_fill_info(msg, tm);
break; 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 tcpm_hash_bucket *hb;
struct tcp_metrics_block *tm; struct tcp_metrics_block *tm;
struct tcp_metrics_block __rcu **pp; struct tcp_metrics_block __rcu **pp;
struct inetpeer_addr addr; struct inetpeer_addr daddr;
unsigned int hash; unsigned int hash;
struct net *net = genl_info_net(info); struct net *net = genl_info_net(info);
int ret; int ret;
ret = parse_nl_addr(info, &addr, &hash, 1); ret = parse_nl_addr(info, &daddr, &hash, 1);
if (ret < 0) if (ret < 0)
return ret; return ret;
if (ret > 0) 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); spin_lock_bh(&tcp_metrics_lock);
for (tm = deref_locked_genl(*pp); tm; for (tm = deref_locked_genl(*pp); tm;
pp = &tm->tcpm_next, tm = deref_locked_genl(*pp)) { 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; *pp = tm->tcpm_next;
break; break;
} }