net: Introduce ipv4_addr_hash and use it for tcp metrics
Refactors a common line into helper function.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index b3d64f6..3a42892 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -249,7 +249,7 @@
case AF_INET:
saddr.addr.a4 = inet_rsk(req)->ir_loc_addr;
daddr.addr.a4 = inet_rsk(req)->ir_rmt_addr;
- hash = (__force unsigned int) daddr.addr.a4;
+ hash = ipv4_addr_hash(inet_rsk(req)->ir_rmt_addr);
break;
#if IS_ENABLED(CONFIG_IPV6)
case AF_INET6:
@@ -289,7 +289,7 @@
saddr.addr.a4 = tw->tw_rcv_saddr;
daddr.family = AF_INET;
daddr.addr.a4 = tw->tw_daddr;
- hash = (__force unsigned int) daddr.addr.a4;
+ hash = ipv4_addr_hash(tw->tw_daddr);
}
#if IS_ENABLED(CONFIG_IPV6)
else if (tw->tw_family == AF_INET6) {
@@ -298,7 +298,7 @@
saddr.addr.a4 = tw->tw_rcv_saddr;
daddr.family = AF_INET;
daddr.addr.a4 = tw->tw_daddr;
- hash = (__force unsigned int) daddr.addr.a4;
+ hash = ipv4_addr_hash(tw->tw_daddr);
} else {
saddr.family = AF_INET6;
saddr.addr.in6 = tw->tw_v6_rcv_saddr;
@@ -339,7 +339,7 @@
saddr.addr.a4 = inet_sk(sk)->inet_saddr;
daddr.family = AF_INET;
daddr.addr.a4 = inet_sk(sk)->inet_daddr;
- hash = (__force unsigned int) daddr.addr.a4;
+ hash = ipv4_addr_hash(inet_sk(sk)->inet_daddr);
}
#if IS_ENABLED(CONFIG_IPV6)
else if (sk->sk_family == AF_INET6) {
@@ -348,7 +348,7 @@
saddr.addr.a4 = inet_sk(sk)->inet_saddr;
daddr.family = AF_INET;
daddr.addr.a4 = inet_sk(sk)->inet_daddr;
- hash = (__force unsigned int) daddr.addr.a4;
+ hash = ipv4_addr_hash(inet_sk(sk)->inet_daddr);
} else {
saddr.family = AF_INET6;
saddr.addr.in6 = sk->sk_v6_rcv_saddr;
@@ -959,7 +959,7 @@
addr->family = AF_INET;
addr->addr.a4 = nla_get_in_addr(a);
if (hash)
- *hash = (__force unsigned int) addr->addr.a4;
+ *hash = ipv4_addr_hash(addr->addr.a4);
return 0;
}
a = info->attrs[v6];