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| author | David Ahern <dsa@cumulusnetworks.com> | 2015-08-27 16:07:01 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-08-28 13:32:36 -0700 |
| commit | d39d14ffa24cca9f0e44aa4a63315f4c44c56a93 (patch) | |
| tree | d19cc95a22ad69e2164b9b46609ce67c577af77f /net/ipv4 | |
| parent | 3abef286cf2f138de353fb0b54453621de961043 (diff) | |
| download | linux-d39d14ffa24cca9f0e44aa4a63315f4c44c56a93.tar.gz linux-d39d14ffa24cca9f0e44aa4a63315f4c44c56a93.tar.bz2 linux-d39d14ffa24cca9f0e44aa4a63315f4c44c56a93.zip | |
net: Add helper function to compare inetpeer addresses
tcp_metrics and inetpeer both have functions to compare inetpeer
addresses. Consolidate into 1 version.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/inetpeer.c | 20 | ||||
| -rw-r--r-- | net/ipv4/tcp_metrics.c | 6 |
2 files changed, 3 insertions, 23 deletions
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c index 241afd743d2c..86fa45809540 100644 --- a/net/ipv4/inetpeer.c +++ b/net/ipv4/inetpeer.c @@ -157,22 +157,6 @@ void __init inet_initpeers(void) INIT_DEFERRABLE_WORK(&gc_work, inetpeer_gc_worker); } -static int addr_compare(const struct inetpeer_addr *a, - const struct inetpeer_addr *b) -{ - int i, n = (a->family == AF_INET ? 1 : 4); - - for (i = 0; i < n; i++) { - if (a->addr.a6[i] == b->addr.a6[i]) - continue; - if ((__force u32)a->addr.a6[i] < (__force u32)b->addr.a6[i]) - return -1; - return 1; - } - - return 0; -} - #define rcu_deref_locked(X, BASE) \ rcu_dereference_protected(X, lockdep_is_held(&(BASE)->lock.lock)) @@ -188,7 +172,7 @@ static int addr_compare(const struct inetpeer_addr *a, *stackptr++ = &_base->root; \ for (u = rcu_deref_locked(_base->root, _base); \ u != peer_avl_empty;) { \ - int cmp = addr_compare(_daddr, &u->daddr); \ + int cmp = inetpeer_addr_cmp(_daddr, &u->daddr); \ if (cmp == 0) \ break; \ if (cmp == -1) \ @@ -215,7 +199,7 @@ static struct inet_peer *lookup_rcu(const struct inetpeer_addr *daddr, int count = 0; while (u != peer_avl_empty) { - int cmp = addr_compare(daddr, &u->daddr); + int cmp = inetpeer_addr_cmp(daddr, &u->daddr); if (cmp == 0) { /* Before taking a reference, check if this entry was * deleted (refcnt=-1) diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index 4ef4dd4bf38c..c8cbc2b4b792 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -81,11 +81,7 @@ static void tcp_metric_set(struct tcp_metrics_block *tm, static bool addr_same(const struct inetpeer_addr *a, const struct inetpeer_addr *b) { - if (a->family != b->family) - return false; - if (a->family == AF_INET) - return a->addr.a4 == b->addr.a4; - return ipv6_addr_equal(&a->addr.in6, &b->addr.in6); + return inetpeer_addr_cmp(a, b) == 0; } struct tcpm_hash_bucket { |