bpf: Introduces a new state to identify the location of

 the sockops call

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I71USM

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

Currently, a permission status code is required to identify
that the access to the sockops is from the delayed link establishment
scenario. Therefore, "BPF_SOCK_OPS_TCP_DEFFER_CONNECT_CB"
Signed-off-by: Nbitcoffee <liuxin350@huawei.com>

include/uapi/linux/bpf.h

@@ -4872,6 +4872,7 @@ enum {
 					 * by the kernel or the
 					 * earlier bpf-progs.
 					 */
+	BPF_SOCK_OPS_TCP_DEFER_CONNECT_CB,/* call ebpf to defer connect*/
 };
 
 /* List of TCP states. There is a build check in net/ipv4/tcp.c to detect

tools/include/uapi/linux/bpf.h

@@ -4872,6 +4872,7 @@ enum {
 					 * by the kernel or the
 					 * earlier bpf-progs.
 					 */
+	BPF_SOCK_OPS_TCP_DEFER_CONNECT_CB,/* call ebpf to defer connect*/
 };
 
 /* List of TCP states. There is a build check in net/ipv4/tcp.c to detect