diff options
| author |   Jeremy Harris <jgh@exim.org> | 2025-04-23 13:43:34 +0100 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2025-04-24 18:21:04 -0700 |
| commit | 2b13042d3636327eb50c8a0ee06f629d52d1b8fb (patch) | |
| tree | 56b3c3d26b4e65bbe2ab42f02a6b71c632818cbb /net/ipv4/tcp.c | |
| parent | tcp: fastopen: note that a child socket was created (diff) | |
| download | wireguard-linux-2b13042d3636327eb50c8a0ee06f629d52d1b8fb.tar.xz wireguard-linux-2b13042d3636327eb50c8a0ee06f629d52d1b8fb.zip | |
tcp: fastopen: pass TFO child indication through getsockopt
tcp: fastopen: pass TFO child indication through getsockopt
Note that this uses up the last bit of a field in struct tcp_info
Signed-off-by: Jeremy Harris <jgh@exim.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Link: https://patch.msgid.link/20250423124334.4916-3-jgh@exim.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | net/ipv4/tcp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index df3eb0fb7cb3..86c427f16636 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -4165,6 +4165,8 @@ void tcp_get_info(struct sock *sk, struct tcp_info *info) info->tcpi_options |= TCPI_OPT_SYN_DATA; if (tp->tcp_usec_ts) info->tcpi_options |= TCPI_OPT_USEC_TS; + if (tp->syn_fastopen_child) + info->tcpi_options |= TCPI_OPT_TFO_CHILD; info->tcpi_rto = jiffies_to_usecs(icsk->icsk_rto); info->tcpi_ato = jiffies_to_usecs(min_t(u32, icsk->icsk_ack.ato, |