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-rw-r--r--net/core/bpf_sk_storage.c8
-rw-r--r--net/core/filter.c31
-rw-r--r--net/ipv4/bpf_tcp_ca.c19
3 files changed, 16 insertions, 42 deletions
diff --git a/net/core/bpf_sk_storage.c b/net/core/bpf_sk_storage.c
index 4a86ea34f29e..d653a583dbc9 100644
--- a/net/core/bpf_sk_storage.c
+++ b/net/core/bpf_sk_storage.c
@@ -378,19 +378,15 @@ const struct bpf_func_proto bpf_sk_storage_delete_proto = {
.arg2_type = ARG_PTR_TO_SOCKET,
};
-BTF_ID_LIST(sk_storage_btf_ids)
-BTF_ID_UNUSED
-BTF_ID(struct, sock)
-
const struct bpf_func_proto sk_storage_get_btf_proto = {
.func = bpf_sk_storage_get,
.gpl_only = false,
.ret_type = RET_PTR_TO_MAP_VALUE_OR_NULL,
.arg1_type = ARG_CONST_MAP_PTR,
.arg2_type = ARG_PTR_TO_BTF_ID,
+ .arg2_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_SOCK],
.arg3_type = ARG_PTR_TO_MAP_VALUE_OR_NULL,
.arg4_type = ARG_ANYTHING,
- .btf_id = sk_storage_btf_ids,
};
const struct bpf_func_proto sk_storage_delete_btf_proto = {
@@ -399,7 +395,7 @@ const struct bpf_func_proto sk_storage_delete_btf_proto = {
.ret_type = RET_INTEGER,
.arg1_type = ARG_CONST_MAP_PTR,
.arg2_type = ARG_PTR_TO_BTF_ID,
- .btf_id = sk_storage_btf_ids,
+ .arg2_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_SOCK],
};
struct bpf_sk_storage_diag {
diff --git a/net/core/filter.c b/net/core/filter.c
index d266c6941967..6014e5f40c58 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -3803,19 +3803,18 @@ static const struct bpf_func_proto bpf_skb_event_output_proto = {
.arg5_type = ARG_CONST_SIZE_OR_ZERO,
};
-BTF_ID_LIST(bpf_skb_output_btf_ids)
-BTF_ID(struct, sk_buff)
+BTF_ID_LIST_SINGLE(bpf_skb_output_btf_ids, struct, sk_buff)
const struct bpf_func_proto bpf_skb_output_proto = {
.func = bpf_skb_event_output,
.gpl_only = true,
.ret_type = RET_INTEGER,
.arg1_type = ARG_PTR_TO_BTF_ID,
+ .arg1_btf_id = &bpf_skb_output_btf_ids[0],
.arg2_type = ARG_CONST_MAP_PTR,
.arg3_type = ARG_ANYTHING,
.arg4_type = ARG_PTR_TO_MEM,
.arg5_type = ARG_CONST_SIZE_OR_ZERO,
- .btf_id = bpf_skb_output_btf_ids,
};
static unsigned short bpf_tunnel_key_af(u64 flags)
@@ -4199,19 +4198,18 @@ static const struct bpf_func_proto bpf_xdp_event_output_proto = {
.arg5_type = ARG_CONST_SIZE_OR_ZERO,
};
-BTF_ID_LIST(bpf_xdp_output_btf_ids)
-BTF_ID(struct, xdp_buff)
+BTF_ID_LIST_SINGLE(bpf_xdp_output_btf_ids, struct, xdp_buff)
const struct bpf_func_proto bpf_xdp_output_proto = {
.func = bpf_xdp_event_output,
.gpl_only = true,
.ret_type = RET_INTEGER,
.arg1_type = ARG_PTR_TO_BTF_ID,
+ .arg1_btf_id = &bpf_xdp_output_btf_ids[0],
.arg2_type = ARG_CONST_MAP_PTR,
.arg3_type = ARG_ANYTHING,
.arg4_type = ARG_PTR_TO_MEM,
.arg5_type = ARG_CONST_SIZE_OR_ZERO,
- .btf_id = bpf_xdp_output_btf_ids,
};
BPF_CALL_1(bpf_get_socket_cookie, struct sk_buff *, skb)
@@ -9897,17 +9895,6 @@ BTF_SOCK_TYPE_xxx
u32 btf_sock_ids[MAX_BTF_SOCK_TYPE];
#endif
-static bool check_arg_btf_id(u32 btf_id, u32 arg)
-{
- int i;
-
- /* only one argument, no need to check arg */
- for (i = 0; i < MAX_BTF_SOCK_TYPE; i++)
- if (btf_sock_ids[i] == btf_id)
- return true;
- return false;
-}
-
BPF_CALL_1(bpf_skc_to_tcp6_sock, struct sock *, sk)
{
/* tcp6_sock type is not generated in dwarf and hence btf,
@@ -9926,7 +9913,7 @@ const struct bpf_func_proto bpf_skc_to_tcp6_sock_proto = {
.gpl_only = false,
.ret_type = RET_PTR_TO_BTF_ID_OR_NULL,
.arg1_type = ARG_PTR_TO_BTF_ID,
- .check_btf_id = check_arg_btf_id,
+ .arg1_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_SOCK_COMMON],
.ret_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_TCP6],
};
@@ -9943,7 +9930,7 @@ const struct bpf_func_proto bpf_skc_to_tcp_sock_proto = {
.gpl_only = false,
.ret_type = RET_PTR_TO_BTF_ID_OR_NULL,
.arg1_type = ARG_PTR_TO_BTF_ID,
- .check_btf_id = check_arg_btf_id,
+ .arg1_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_SOCK_COMMON],
.ret_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_TCP],
};
@@ -9967,7 +9954,7 @@ const struct bpf_func_proto bpf_skc_to_tcp_timewait_sock_proto = {
.gpl_only = false,
.ret_type = RET_PTR_TO_BTF_ID_OR_NULL,
.arg1_type = ARG_PTR_TO_BTF_ID,
- .check_btf_id = check_arg_btf_id,
+ .arg1_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_SOCK_COMMON],
.ret_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_TCP_TW],
};
@@ -9991,7 +9978,7 @@ const struct bpf_func_proto bpf_skc_to_tcp_request_sock_proto = {
.gpl_only = false,
.ret_type = RET_PTR_TO_BTF_ID_OR_NULL,
.arg1_type = ARG_PTR_TO_BTF_ID,
- .check_btf_id = check_arg_btf_id,
+ .arg1_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_SOCK_COMMON],
.ret_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_TCP_REQ],
};
@@ -10013,6 +10000,6 @@ const struct bpf_func_proto bpf_skc_to_udp6_sock_proto = {
.gpl_only = false,
.ret_type = RET_PTR_TO_BTF_ID_OR_NULL,
.arg1_type = ARG_PTR_TO_BTF_ID,
- .check_btf_id = check_arg_btf_id,
+ .arg1_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_SOCK_COMMON],
.ret_btf_id = &btf_sock_ids[BTF_SOCK_TYPE_UDP6],
};
diff --git a/net/ipv4/bpf_tcp_ca.c b/net/ipv4/bpf_tcp_ca.c
index e3939f76b024..74a2ef598c31 100644
--- a/net/ipv4/bpf_tcp_ca.c
+++ b/net/ipv4/bpf_tcp_ca.c
@@ -28,23 +28,18 @@ static u32 unsupported_ops[] = {
static const struct btf_type *tcp_sock_type;
static u32 tcp_sock_id, sock_id;
-static int btf_sk_storage_get_ids[5];
static struct bpf_func_proto btf_sk_storage_get_proto __read_mostly;
-
-static int btf_sk_storage_delete_ids[5];
static struct bpf_func_proto btf_sk_storage_delete_proto __read_mostly;
-static void convert_sk_func_proto(struct bpf_func_proto *to, int *to_btf_ids,
- const struct bpf_func_proto *from)
+static void convert_sk_func_proto(struct bpf_func_proto *to, const struct bpf_func_proto *from)
{
int i;
*to = *from;
- to->btf_id = to_btf_ids;
for (i = 0; i < ARRAY_SIZE(to->arg_type); i++) {
if (to->arg_type[i] == ARG_PTR_TO_SOCKET) {
to->arg_type[i] = ARG_PTR_TO_BTF_ID;
- to->btf_id[i] = tcp_sock_id;
+ to->arg_btf_id[i] = &tcp_sock_id;
}
}
}
@@ -64,12 +59,8 @@ static int bpf_tcp_ca_init(struct btf *btf)
tcp_sock_id = type_id;
tcp_sock_type = btf_type_by_id(btf, tcp_sock_id);
- convert_sk_func_proto(&btf_sk_storage_get_proto,
- btf_sk_storage_get_ids,
- &bpf_sk_storage_get_proto);
- convert_sk_func_proto(&btf_sk_storage_delete_proto,
- btf_sk_storage_delete_ids,
- &bpf_sk_storage_delete_proto);
+ convert_sk_func_proto(&btf_sk_storage_get_proto, &bpf_sk_storage_get_proto);
+ convert_sk_func_proto(&btf_sk_storage_delete_proto, &bpf_sk_storage_delete_proto);
return 0;
}
@@ -185,8 +176,8 @@ static const struct bpf_func_proto bpf_tcp_send_ack_proto = {
/* In case we want to report error later */
.ret_type = RET_INTEGER,
.arg1_type = ARG_PTR_TO_BTF_ID,
+ .arg1_btf_id = &tcp_sock_id,
.arg2_type = ARG_ANYTHING,
- .btf_id = &tcp_sock_id,
};
static const struct bpf_func_proto *
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-05 02:33:49 +0000