Commit eab6965b authored Jul 15, 2023 by zhang-mingyi66

ipv4, bpf: Introduced to support the ULP to modify

sockets during setopt

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I7LE1H



------------------------------------------------------

Currently, the ebpf program can distinguish sockets according to
the address accessed by the client, and use the ULP framework to
modify the matched sockets to delay link establishment.

Signed-off-by: zhang-mingyi66 <zhangmingyi5@huawei.com>

parent dba07468

net/core/filter.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -5255,6 +5255,10 @@ static int sol_tcp_sockopt(struct sock *sk, int optname,
		if (*optlen < 1)
		return -EINVAL;
		break;
		case TCP_ULP:
		if (getopt)
		return -EINVAL;
		break;
		default:
		if (getopt)
		return -EINVAL;