Coverage Report

Created: 2025-07-01 06:51

/src/openvswitch/lib/conntrack-other.c
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Source (jump to first uncovered line)
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/*
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 * Copyright (c) 2015-2019 Nicira, Inc.
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at:
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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#include <config.h>
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#include "conntrack-private.h"
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#include "conntrack-tp.h"
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#include "dp-packet.h"
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enum OVS_PACKED_ENUM other_state {
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    OTHERS_FIRST,
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    OTHERS_MULTIPLE,
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    OTHERS_BIDIR,
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};
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struct conn_other {
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    struct conn up;
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    enum other_state state; /* 'conn' lock protected. */
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};
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static const enum ct_timeout other_timeouts[] = {
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    [OTHERS_FIRST] = CT_TM_OTHER_FIRST,
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    [OTHERS_MULTIPLE] = CT_TM_OTHER_MULTIPLE,
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    [OTHERS_BIDIR] = CT_TM_OTHER_BIDIR,
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};
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static struct conn_other *
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conn_other_cast(const struct conn *conn)
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0
{
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0
    return CONTAINER_OF(conn, struct conn_other, up);
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0
}
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static enum ct_update_res
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other_conn_update(struct conntrack *ct, struct conn *conn_,
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                  struct dp_packet *pkt OVS_UNUSED, bool reply, long long now)
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0
{
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    struct conn_other *conn = conn_other_cast(conn_);
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    if (reply && conn->state != OTHERS_BIDIR) {
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        conn->state = OTHERS_BIDIR;
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    } else if (conn->state == OTHERS_FIRST) {
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        conn->state = OTHERS_MULTIPLE;
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0
    }
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    conn_update_expiration(ct, &conn->up, other_timeouts[conn->state], now);
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    if (conn->state == OTHERS_BIDIR) {
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        return CT_UPDATE_VALID;
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    }
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    return CT_UPDATE_VALID_NEW;
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0
}
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static bool
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other_valid_new(struct dp_packet *pkt OVS_UNUSED)
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0
{
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    return true;
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0
}
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static struct conn *
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other_new_conn(struct conntrack *ct, struct dp_packet *pkt OVS_UNUSED,
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               long long now, uint32_t tp_id)
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0
{
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    struct conn_other *conn;
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    conn = xzalloc(sizeof *conn);
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    conn->state = OTHERS_FIRST;
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    conn->up.tp_id = tp_id;
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    conn_init_expiration(ct, &conn->up, other_timeouts[conn->state], now);
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    return &conn->up;
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0
}
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struct ct_l4_proto ct_proto_other = {
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    .new_conn = other_new_conn,
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    .valid_new = other_valid_new,
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    .conn_update = other_conn_update,
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};