From: wenxu <[email protected]> It is better to choose the origin select sport as current sport for each port search round with new address.
Signed-off-by: wenxu <[email protected]> --- lib/conntrack.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/conntrack.c b/lib/conntrack.c index 551c206..00906f8 100644 --- a/lib/conntrack.c +++ b/lib/conntrack.c @@ -2409,11 +2409,11 @@ nat_get_unique_tuple(struct conntrack *ct, const struct conn *conn, { union ct_addr min_addr = {0}, max_addr = {0}, curr_addr = {0}, guard_addr = {0}; + uint16_t min_sport, max_sport, curr_sport, orig_sport; uint32_t hash = nat_range_hash(conn, ct->hash_basis); bool pat_proto = conn->key.nw_proto == IPPROTO_TCP || conn->key.nw_proto == IPPROTO_UDP; uint16_t min_dport, max_dport, curr_dport; - uint16_t min_sport, max_sport, curr_sport; min_addr = conn->nat_info->min_addr; max_addr = conn->nat_info->max_addr; @@ -2425,7 +2425,7 @@ nat_get_unique_tuple(struct conntrack *ct, const struct conn *conn, * we can stop once we reach it. */ guard_addr = curr_addr; - set_sport_range(conn->nat_info, &conn->key, hash, &curr_sport, + set_sport_range(conn->nat_info, &conn->key, hash, &orig_sport, &min_sport, &max_sport); set_dport_range(conn->nat_info, &conn->key, hash, &curr_dport, &min_dport, &max_dport); @@ -2443,6 +2443,8 @@ another_round: goto next_addr; } + curr_sport = orig_sport; + FOR_EACH_PORT_IN_RANGE(curr_dport, min_dport, max_dport) { nat_conn->rev_key.src.port = htons(curr_dport); FOR_EACH_PORT_IN_RANGE(curr_sport, min_sport, max_sport) { -- 1.8.3.1 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
