}
static bool sk_filter_is_valid_access(int off, int size,
- enum bpf_access_type type)
+ enum bpf_access_type type,
+ enum bpf_reg_type *reg_type)
{
switch (off) {
case offsetof(struct __sk_buff, tc_classid):
}
static bool tc_cls_act_is_valid_access(int off, int size,
- enum bpf_access_type type)
+ enum bpf_access_type type,
+ enum bpf_reg_type *reg_type)
{
if (type == BPF_WRITE) {
switch (off) {
return false;
}
}
+
+ switch (off) {
+ case offsetof(struct __sk_buff, data):
+ *reg_type = PTR_TO_PACKET;
+ break;
+ case offsetof(struct __sk_buff, data_end):
+ *reg_type = PTR_TO_PACKET_END;
+ break;
+ }
+
return __is_valid_access(off, size, type);
}