On 5/21/21 8:20 PM, Kuniyuki Iwashima wrote:

This commit adds a new sysctl option: net.ipv4.tcp_migrate_req. If this
option is enabled or eBPF program is attached, we will be able to migrate
child sockets from a listener to another in the same reuseport group after
close() or shutdown() syscalls.

Signed-off-by: Kuniyuki Iwashima <redacted>
Reviewed-by: Benjamin Herrenschmidt <redacted>
Acked-by: Martin KaFai Lau <redacted>
---
 Documentation/networking/ip-sysctl.rst | 25 +++++++++++++++++++++++++
 include/net/netns/ipv4.h               |  1 +
 net/ipv4/sysctl_net_ipv4.c             |  9 +++++++++
 3 files changed, 35 insertions(+)

Reviewed-by: Eric Dumazet <edumazet@google.com>