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-rw-r--r--include/linux/bpf.h1
-rw-r--r--include/linux/bpf_types.h1
-rw-r--r--include/linux/filter.h17
-rw-r--r--include/linux/socket.h1
4 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 66df387106de..819229c80eca 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -21,6 +21,7 @@ struct bpf_verifier_env;
struct perf_event;
struct bpf_prog;
struct bpf_map;
+struct sock;
/* map is generic key/value storage optionally accesible by eBPF programs */
struct bpf_map_ops {
diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h
index 19b8349a3809..5e2e8a49fb21 100644
--- a/include/linux/bpf_types.h
+++ b/include/linux/bpf_types.h
@@ -13,6 +13,7 @@ BPF_PROG_TYPE(BPF_PROG_TYPE_LWT_OUT, lwt_inout)
BPF_PROG_TYPE(BPF_PROG_TYPE_LWT_XMIT, lwt_xmit)
BPF_PROG_TYPE(BPF_PROG_TYPE_SOCK_OPS, sock_ops)
BPF_PROG_TYPE(BPF_PROG_TYPE_SK_SKB, sk_skb)
+BPF_PROG_TYPE(BPF_PROG_TYPE_SK_MSG, sk_msg)
#endif
#ifdef CONFIG_BPF_EVENTS
BPF_PROG_TYPE(BPF_PROG_TYPE_KPROBE, kprobe)
diff --git a/include/linux/filter.h b/include/linux/filter.h
index fdb691b520c0..109d05ccea9a 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -507,6 +507,22 @@ struct xdp_buff {
struct xdp_rxq_info *rxq;
};
+struct sk_msg_buff {
+ void *data;
+ void *data_end;
+ __u32 apply_bytes;
+ __u32 cork_bytes;
+ int sg_copybreak;
+ int sg_start;
+ int sg_curr;
+ int sg_end;
+ struct scatterlist sg_data[MAX_SKB_FRAGS];
+ bool sg_copy[MAX_SKB_FRAGS];
+ __u32 key;
+ __u32 flags;
+ struct bpf_map *map;
+};
+
/* Compute the linear packet data range [data, data_end) which
* will be accessed by various program types (cls_bpf, act_bpf,
* lwt, ...). Subsystems allowing direct data access must (!)
@@ -771,6 +787,7 @@ xdp_data_meta_unsupported(const struct xdp_buff *xdp)
void bpf_warn_invalid_xdp_action(u32 act);
struct sock *do_sk_redirect_map(struct sk_buff *skb);
+struct sock *do_msg_redirect_map(struct sk_msg_buff *md);
#ifdef CONFIG_BPF_JIT
extern int bpf_jit_enable;
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 1ce1f768a58c..60e01482a9c4 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -287,6 +287,7 @@ struct ucred {
#define MSG_SENDPAGE_NOTLAST 0x20000 /* sendpage() internal : not the last page */
#define MSG_BATCH 0x40000 /* sendmmsg(): more messages coming */
#define MSG_EOF MSG_FIN
+#define MSG_NO_SHARED_FRAGS 0x80000 /* sendpage() internal : page frags are not shared */
#define MSG_ZEROCOPY 0x4000000 /* Use user data in kernel path */
#define MSG_FASTOPEN 0x20000000 /* Send data in TCP SYN */