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-rw-r--r--include/linux/bpf.h10
-rw-r--r--include/linux/bpf_verifier.h6
-rw-r--r--include/linux/filter.h21
-rw-r--r--include/linux/skbuff.h5
-rw-r--r--include/net/net_namespace.h4
-rw-r--r--include/net/netns/xdp.h13
-rw-r--r--include/net/xdp_sock.h1
-rw-r--r--include/uapi/linux/bpf.h2
-rw-r--r--include/uapi/linux/xdp_diag.h72
9 files changed, 134 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index e734f163bd0b..0394f1f9213b 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -268,9 +268,15 @@ struct bpf_verifier_ops {
};
struct bpf_prog_offload_ops {
+ /* verifier basic callbacks */
int (*insn_hook)(struct bpf_verifier_env *env,
int insn_idx, int prev_insn_idx);
int (*finalize)(struct bpf_verifier_env *env);
+ /* verifier optimization callbacks (called after .finalize) */
+ int (*replace_insn)(struct bpf_verifier_env *env, u32 off,
+ struct bpf_insn *insn);
+ int (*remove_insns)(struct bpf_verifier_env *env, u32 off, u32 cnt);
+ /* program management callbacks */
int (*prepare)(struct bpf_prog *prog);
int (*translate)(struct bpf_prog *prog);
void (*destroy)(struct bpf_prog *prog);
@@ -283,6 +289,7 @@ struct bpf_prog_offload {
void *dev_priv;
struct list_head offloads;
bool dev_state;
+ bool opt_failed;
void *jited_image;
u32 jited_len;
};
@@ -397,6 +404,9 @@ int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr,
union bpf_attr __user *uattr);
int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr,
union bpf_attr __user *uattr);
+int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog,
+ const union bpf_attr *kattr,
+ union bpf_attr __user *uattr);
/* an array of programs to be executed under rcu_lock.
*
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 573cca00a0e6..0620e418dde5 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -187,6 +187,7 @@ struct bpf_insn_aux_data {
int sanitize_stack_off; /* stack slot to be cleared */
bool seen; /* this insn was processed by the verifier */
u8 alu_state; /* used in combination with alu_limit */
+ unsigned int orig_idx; /* original instruction index */
};
#define MAX_USED_MAPS 64 /* max number of maps accessed by one eBPF program */
@@ -265,5 +266,10 @@ int bpf_prog_offload_verifier_prep(struct bpf_prog *prog);
int bpf_prog_offload_verify_insn(struct bpf_verifier_env *env,
int insn_idx, int prev_insn_idx);
int bpf_prog_offload_finalize(struct bpf_verifier_env *env);
+void
+bpf_prog_offload_replace_insn(struct bpf_verifier_env *env, u32 off,
+ struct bpf_insn *insn);
+void
+bpf_prog_offload_remove_insns(struct bpf_verifier_env *env, u32 off, u32 cnt);
#endif /* _LINUX_BPF_VERIFIER_H */
diff --git a/include/linux/filter.h b/include/linux/filter.h
index ad106d845b22..e4b473f85b46 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -277,6 +277,26 @@ struct sock_reuseport;
.off = OFF, \
.imm = IMM })
+/* Like BPF_JMP_REG, but with 32-bit wide operands for comparison. */
+
+#define BPF_JMP32_REG(OP, DST, SRC, OFF) \
+ ((struct bpf_insn) { \
+ .code = BPF_JMP32 | BPF_OP(OP) | BPF_X, \
+ .dst_reg = DST, \
+ .src_reg = SRC, \
+ .off = OFF, \
+ .imm = 0 })
+
+/* Like BPF_JMP_IMM, but with 32-bit wide operands for comparison. */
+
+#define BPF_JMP32_IMM(OP, DST, IMM, OFF) \
+ ((struct bpf_insn) { \
+ .code = BPF_JMP32 | BPF_OP(OP) | BPF_K, \
+ .dst_reg = DST, \
+ .src_reg = 0, \
+ .off = OFF, \
+ .imm = IMM })
+
/* Unconditional jumps, goto pc + off16 */
#define BPF_JMP_A(OFF) \
@@ -778,6 +798,7 @@ static inline bool bpf_dump_raw_ok(void)
struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off,
const struct bpf_insn *patch, u32 len);
+int bpf_remove_insns(struct bpf_prog *prog, u32 off, u32 cnt);
void bpf_clear_redirect_map(struct bpf_map *map);
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 95d25b010a25..c34595374e93 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1221,6 +1221,11 @@ static inline int skb_flow_dissector_bpf_prog_detach(const union bpf_attr *attr)
}
#endif
+struct bpf_flow_keys;
+bool __skb_flow_bpf_dissect(struct bpf_prog *prog,
+ const struct sk_buff *skb,
+ struct flow_dissector *flow_dissector,
+ struct bpf_flow_keys *flow_keys);
bool __skb_flow_dissect(const struct sk_buff *skb,
struct flow_dissector *flow_dissector,
void *target_container,
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 99d4148e0f90..a68ced28d8f4 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -31,6 +31,7 @@
#include <net/netns/xfrm.h>
#include <net/netns/mpls.h>
#include <net/netns/can.h>
+#include <net/netns/xdp.h>
#include <linux/ns_common.h>
#include <linux/idr.h>
#include <linux/skbuff.h>
@@ -161,6 +162,9 @@ struct net {
#if IS_ENABLED(CONFIG_CAN)
struct netns_can can;
#endif
+#ifdef CONFIG_XDP_SOCKETS
+ struct netns_xdp xdp;
+#endif
struct sock *diag_nlsk;
atomic_t fnhe_genid;
} __randomize_layout;
diff --git a/include/net/netns/xdp.h b/include/net/netns/xdp.h
new file mode 100644
index 000000000000..e5734261ba0a
--- /dev/null
+++ b/include/net/netns/xdp.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NETNS_XDP_H__
+#define __NETNS_XDP_H__
+
+#include <linux/rculist.h>
+#include <linux/mutex.h>
+
+struct netns_xdp {
+ struct mutex lock;
+ struct hlist_head list;
+};
+
+#endif /* __NETNS_XDP_H__ */
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index 13acb9803a6d..61cf7dbb6782 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -42,6 +42,7 @@ struct xdp_umem {
struct work_struct work;
struct page **pgs;
u32 npgs;
+ int id;
struct net_device *dev;
struct xdp_umem_fq_reuse *fq_reuse;
u16 queue_id;
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 91c43884f295..60b99b730a41 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -14,6 +14,7 @@
/* Extended instruction set based on top of classic BPF */
/* instruction classes */
+#define BPF_JMP32 0x06 /* jmp mode in word width */
#define BPF_ALU64 0x07 /* alu mode in double word width */
/* ld/ldx fields */
@@ -2540,6 +2541,7 @@ struct __sk_buff {
__bpf_md_ptr(struct bpf_flow_keys *, flow_keys);
__u64 tstamp;
__u32 wire_len;
+ __u32 gso_segs;
};
struct bpf_tunnel_key {
diff --git a/include/uapi/linux/xdp_diag.h b/include/uapi/linux/xdp_diag.h
new file mode 100644
index 000000000000..78b2591a7782
--- /dev/null
+++ b/include/uapi/linux/xdp_diag.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * xdp_diag: interface for query/monitor XDP sockets
+ * Copyright(c) 2019 Intel Corporation.
+ */
+
+#ifndef _LINUX_XDP_DIAG_H
+#define _LINUX_XDP_DIAG_H
+
+#include <linux/types.h>
+
+struct xdp_diag_req {
+ __u8 sdiag_family;
+ __u8 sdiag_protocol;
+ __u16 pad;
+ __u32 xdiag_ino;
+ __u32 xdiag_show;
+ __u32 xdiag_cookie[2];
+};
+
+struct xdp_diag_msg {
+ __u8 xdiag_family;
+ __u8 xdiag_type;
+ __u16 pad;
+ __u32 xdiag_ino;
+ __u32 xdiag_cookie[2];
+};
+
+#define XDP_SHOW_INFO (1 << 0) /* Basic information */
+#define XDP_SHOW_RING_CFG (1 << 1)
+#define XDP_SHOW_UMEM (1 << 2)
+#define XDP_SHOW_MEMINFO (1 << 3)
+
+enum {
+ XDP_DIAG_NONE,
+ XDP_DIAG_INFO,
+ XDP_DIAG_UID,
+ XDP_DIAG_RX_RING,
+ XDP_DIAG_TX_RING,
+ XDP_DIAG_UMEM,
+ XDP_DIAG_UMEM_FILL_RING,
+ XDP_DIAG_UMEM_COMPLETION_RING,
+ XDP_DIAG_MEMINFO,
+ __XDP_DIAG_MAX,
+};
+
+#define XDP_DIAG_MAX (__XDP_DIAG_MAX - 1)
+
+struct xdp_diag_info {
+ __u32 ifindex;
+ __u32 queue_id;
+};
+
+struct xdp_diag_ring {
+ __u32 entries; /*num descs */
+};
+
+#define XDP_DU_F_ZEROCOPY (1 << 0)
+
+struct xdp_diag_umem {
+ __u64 size;
+ __u32 id;
+ __u32 num_pages;
+ __u32 chunk_size;
+ __u32 headroom;
+ __u32 ifindex;
+ __u32 queue_id;
+ __u32 flags;
+ __u32 refs;
+};
+
+#endif /* _LINUX_XDP_DIAG_H */
generated by cgit v1.2.3 (git 2.0.4) at 2026-02-19 21:35:13 +0000