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tcp: Unify the IN_EPOLL flag
There is very little common between the tcp_tap_conn and tcp_splice_conn structures. However, both do have an IN_EPOLL flag which has the same meaning in each case, though it's stored in a different location. Simplify things slightly by moving this bit into the common header of the two structures. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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parent
34476511f7
commit
433604a581
3 changed files with 19 additions and 19 deletions
10
tcp.c
10
tcp.c
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@ -429,8 +429,8 @@ static const char *tcp_state_str[] __attribute((__unused__)) = {
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};
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static const char *tcp_flag_str[] __attribute((__unused__)) = {
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"STALLED", "LOCAL", "WND_CLAMPED", "IN_EPOLL", "ACTIVE_CLOSE",
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"ACK_TO_TAP_DUE", "ACK_FROM_TAP_DUE",
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"STALLED", "LOCAL", "WND_CLAMPED", "ACTIVE_CLOSE", "ACK_TO_TAP_DUE",
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"ACK_FROM_TAP_DUE",
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};
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/* Listening sockets, used for automatic port forwarding in pasta mode only */
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@ -660,14 +660,14 @@ static void conn_flag_do(const struct ctx *c, struct tcp_tap_conn *conn,
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*/
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static int tcp_epoll_ctl(const struct ctx *c, struct tcp_tap_conn *conn)
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{
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int m = (conn->flags & IN_EPOLL) ? EPOLL_CTL_MOD : EPOLL_CTL_ADD;
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int m = conn->c.in_epoll ? EPOLL_CTL_MOD : EPOLL_CTL_ADD;
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union epoll_ref ref = { .r.proto = IPPROTO_TCP, .r.s = conn->sock,
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.r.p.tcp.tcp.index = CONN_IDX(conn),
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.r.p.tcp.tcp.v6 = CONN_V6(conn) };
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struct epoll_event ev = { .data.u64 = ref.u64 };
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if (conn->events == CLOSED) {
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if (conn->flags & IN_EPOLL)
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if (conn->c.in_epoll)
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epoll_ctl(c->epollfd, EPOLL_CTL_DEL, conn->sock, &ev);
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if (conn->timer != -1)
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epoll_ctl(c->epollfd, EPOLL_CTL_DEL, conn->timer, &ev);
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@ -679,7 +679,7 @@ static int tcp_epoll_ctl(const struct ctx *c, struct tcp_tap_conn *conn)
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if (epoll_ctl(c->epollfd, m, conn->sock, &ev))
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return -errno;
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conn->flags |= IN_EPOLL; /* No need to log this */
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conn->c.in_epoll = true;
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if (conn->timer != -1) {
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union epoll_ref ref_t = { .r.proto = IPPROTO_TCP,
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