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-rw-r--r--include/linux/atalk.h2
-rw-r--r--include/linux/blk-mq.h3
-rw-r--r--include/linux/blk_types.h1
-rw-r--r--include/linux/blkdev.h3
-rw-r--r--include/linux/bpf.h1
-rw-r--r--include/linux/bpf_verifier.h40
-rw-r--r--include/linux/brcmphy.h16
-rw-r--r--include/linux/ceph/libceph.h2
-rw-r--r--include/linux/irq.h2
-rw-r--r--include/linux/irqchip/arm-gic.h3
-rw-r--r--include/linux/kcore.h2
-rw-r--r--include/linux/mlx5/qp.h3
-rw-r--r--include/linux/net.h6
-rw-r--r--include/linux/parport.h13
-rw-r--r--include/linux/sbitmap.h2
-rw-r--r--include/linux/socket.h12
-rw-r--r--include/linux/uio.h24
-rw-r--r--include/linux/vbox_utils.h12
-rw-r--r--include/misc/charlcd.h1
-rw-r--r--include/net/act_api.h9
-rw-r--r--include/net/sch_generic.h1
-rw-r--r--include/net/sctp/checksum.h2
-rw-r--r--include/net/sock.h6
-rw-r--r--include/net/tc_act/tc_gact.h2
-rw-r--r--include/net/xdp_sock.h1
-rw-r--r--include/uapi/linux/bpf.h188
-rw-r--r--include/uapi/linux/vbox_vmmdev_types.h60
27 files changed, 312 insertions, 105 deletions
diff --git a/include/linux/atalk.h b/include/linux/atalk.h
index d5cfc0b15b76..f6034ba774be 100644
--- a/include/linux/atalk.h
+++ b/include/linux/atalk.h
@@ -108,7 +108,7 @@ static __inline__ struct elapaarp *aarp_hdr(struct sk_buff *skb)
#define AARP_RESOLVE_TIME (10 * HZ)
extern struct datalink_proto *ddp_dl, *aarp_dl;
-extern void aarp_proto_init(void);
+extern int aarp_proto_init(void);
/* Inter module exports */
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index b0c814bcc7e3..cb2aa7ecafff 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -57,7 +57,6 @@ struct blk_mq_hw_ctx {
unsigned int queue_num;
atomic_t nr_active;
- unsigned int nr_expired;
struct hlist_node cpuhp_dead;
struct kobject kobj;
@@ -300,8 +299,6 @@ void blk_mq_end_request(struct request *rq, blk_status_t error);
void __blk_mq_end_request(struct request *rq, blk_status_t error);
void blk_mq_requeue_request(struct request *rq, bool kick_requeue_list);
-void blk_mq_add_to_requeue_list(struct request *rq, bool at_head,
- bool kick_requeue_list);
void blk_mq_kick_requeue_list(struct request_queue *q);
void blk_mq_delay_kick_requeue_list(struct request_queue *q, unsigned long msecs);
bool blk_mq_complete_request(struct request *rq);
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index d66bf5f32610..791fee35df88 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -215,6 +215,7 @@ struct bio {
/*
* bio flags
*/
+#define BIO_NO_PAGE_REF 0 /* don't put release vec pages */
#define BIO_SEG_VALID 1 /* bi_phys_segments valid */
#define BIO_CLONED 2 /* doesn't own data */
#define BIO_BOUNCED 3 /* bio is a bounce bio */
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 0de92b29f589..5c58a3b2bf00 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -50,6 +50,9 @@ struct blk_stat_callback;
/* Must be consistent with blk_mq_poll_stats_bkt() */
#define BLK_MQ_POLL_STATS_BKTS 16
+/* Doing classic polling */
+#define BLK_MQ_POLL_CLASSIC -1
+
/*
* Maximum number of blkcg policies allowed to be registered concurrently.
* Defined here to simplify include dependency.
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index a2132e09dc1c..f02367faa58d 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -193,7 +193,6 @@ enum bpf_arg_type {
ARG_PTR_TO_CTX, /* pointer to context */
ARG_ANYTHING, /* any (initialized) argument is ok */
- ARG_PTR_TO_SOCKET, /* pointer to bpf_sock */
ARG_PTR_TO_SPIN_LOCK, /* pointer to bpf_spin_lock */
ARG_PTR_TO_SOCK_COMMON, /* pointer to sock_common */
};
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 69f7a3449eda..7d8228d1c898 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -66,6 +66,46 @@ struct bpf_reg_state {
* same reference to the socket, to determine proper reference freeing.
*/
u32 id;
+ /* PTR_TO_SOCKET and PTR_TO_TCP_SOCK could be a ptr returned
+ * from a pointer-cast helper, bpf_sk_fullsock() and
+ * bpf_tcp_sock().
+ *
+ * Consider the following where "sk" is a reference counted
+ * pointer returned from "sk = bpf_sk_lookup_tcp();":
+ *
+ * 1: sk = bpf_sk_lookup_tcp();
+ * 2: if (!sk) { return 0; }
+ * 3: fullsock = bpf_sk_fullsock(sk);
+ * 4: if (!fullsock) { bpf_sk_release(sk); return 0; }
+ * 5: tp = bpf_tcp_sock(fullsock);
+ * 6: if (!tp) { bpf_sk_release(sk); return 0; }
+ * 7: bpf_sk_release(sk);
+ * 8: snd_cwnd = tp->snd_cwnd; // verifier will complain
+ *
+ * After bpf_sk_release(sk) at line 7, both "fullsock" ptr and
+ * "tp" ptr should be invalidated also. In order to do that,
+ * the reg holding "fullsock" and "sk" need to remember
+ * the original refcounted ptr id (i.e. sk_reg->id) in ref_obj_id
+ * such that the verifier can reset all regs which have
+ * ref_obj_id matching the sk_reg->id.
+ *
+ * sk_reg->ref_obj_id is set to sk_reg->id at line 1.
+ * sk_reg->id will stay as NULL-marking purpose only.
+ * After NULL-marking is done, sk_reg->id can be reset to 0.
+ *
+ * After "fullsock = bpf_sk_fullsock(sk);" at line 3,
+ * fullsock_reg->ref_obj_id is set to sk_reg->ref_obj_id.
+ *
+ * After "tp = bpf_tcp_sock(fullsock);" at line 5,
+ * tp_reg->ref_obj_id is set to fullsock_reg->ref_obj_id
+ * which is the same as sk_reg->ref_obj_id.
+ *
+ * From the verifier perspective, if sk, fullsock and tp
+ * are not NULL, they are the same ptr with different
+ * reg->type. In particular, bpf_sk_release(tp) is also
+ * allowed and has the same effect as bpf_sk_release(sk).
+ */
+ u32 ref_obj_id;
/* For scalar types (SCALAR_VALUE), this represents our knowledge of
* the actual value.
* For pointer types, this represents the variable part of the offset
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index 9cd00a37b8d3..6db2d9a6e503 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -148,6 +148,22 @@
#define BCM_LED_SRC_OFF 0xe /* Tied high */
#define BCM_LED_SRC_ON 0xf /* Tied low */
+/*
+ * Broadcom Multicolor LED configurations (expansion register 4)
+ */
+#define BCM_EXP_MULTICOLOR (MII_BCM54XX_EXP_SEL_ER + 0x04)
+#define BCM_LED_MULTICOLOR_IN_PHASE BIT(8)
+#define BCM_LED_MULTICOLOR_LINK_ACT 0x0
+#define BCM_LED_MULTICOLOR_SPEED 0x1
+#define BCM_LED_MULTICOLOR_ACT_FLASH 0x2
+#define BCM_LED_MULTICOLOR_FDX 0x3
+#define BCM_LED_MULTICOLOR_OFF 0x4
+#define BCM_LED_MULTICOLOR_ON 0x5
+#define BCM_LED_MULTICOLOR_ALT 0x6
+#define BCM_LED_MULTICOLOR_FLASH 0x7
+#define BCM_LED_MULTICOLOR_LINK 0x8
+#define BCM_LED_MULTICOLOR_ACT 0x9
+#define BCM_LED_MULTICOLOR_PROGRAM 0xa
/*
* BCM5482: Shadow registers
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
index a420c07904bc..337d5049ff93 100644
--- a/include/linux/ceph/libceph.h
+++ b/include/linux/ceph/libceph.h
@@ -294,6 +294,8 @@ extern void ceph_destroy_client(struct ceph_client *client);
extern int __ceph_open_session(struct ceph_client *client,
unsigned long started);
extern int ceph_open_session(struct ceph_client *client);
+int ceph_wait_for_latest_osdmap(struct ceph_client *client,
+ unsigned long timeout);
/* pagevec.c */
extern void ceph_release_page_vector(struct page **pages, int num_pages);
diff --git a/include/linux/irq.h b/include/linux/irq.h
index d6160d479b14..7ae8de5ad0f2 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -195,7 +195,7 @@ struct irq_data {
* IRQD_LEVEL - Interrupt is level triggered
* IRQD_WAKEUP_STATE - Interrupt is configured for wakeup
* from suspend
- * IRDQ_MOVE_PCNTXT - Interrupt can be moved in process
+ * IRQD_MOVE_PCNTXT - Interrupt can be moved in process
* context
* IRQD_IRQ_DISABLED - Disabled state of the interrupt
* IRQD_IRQ_MASKED - Masked state of the interrupt
diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h
index 626179077bb0..0f049b384ccd 100644
--- a/include/linux/irqchip/arm-gic.h
+++ b/include/linux/irqchip/arm-gic.h
@@ -158,8 +158,7 @@ int gic_of_init_child(struct device *dev, struct gic_chip_data **gic, int irq);
* Legacy platforms not converted to DT yet must use this to init
* their GIC
*/
-void gic_init(unsigned int nr, int start,
- void __iomem *dist , void __iomem *cpu);
+void gic_init(void __iomem *dist , void __iomem *cpu);
int gicv2m_init(struct fwnode_handle *parent_handle,
struct irq_domain *parent);
diff --git a/include/linux/kcore.h b/include/linux/kcore.h
index 8c3f8c14eeaa..c843f4a9c512 100644
--- a/include/linux/kcore.h
+++ b/include/linux/kcore.h
@@ -44,6 +44,8 @@ void kclist_add_remap(struct kcore_list *m, void *addr, void *vaddr, size_t sz)
m->vaddr = (unsigned long)vaddr;
kclist_add(m, addr, sz, KCORE_REMAP);
}
+
+extern int __init register_mem_pfn_is_ram(int (*fn)(unsigned long pfn));
#else
static inline
void kclist_add(struct kcore_list *new, void *addr, size_t size, int type)
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index b26ea9077384..0343c81d4c5f 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -557,7 +557,8 @@ static inline struct mlx5_core_mkey *__mlx5_mr_lookup(struct mlx5_core_dev *dev,
int mlx5_core_create_dct(struct mlx5_core_dev *dev,
struct mlx5_core_dct *qp,
- u32 *in, int inlen);
+ u32 *in, int inlen,
+ u32 *out, int outlen);
int mlx5_core_create_qp(struct mlx5_core_dev *dev,
struct mlx5_core_qp *qp,
u32 *in,
diff --git a/include/linux/net.h b/include/linux/net.h
index 651fca72286c..c606c72311d0 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -83,6 +83,12 @@ enum sock_type {
#endif /* ARCH_HAS_SOCKET_TYPES */
+/**
+ * enum sock_shutdown_cmd - Shutdown types
+ * @SHUT_RD: shutdown receptions
+ * @SHUT_WR: shutdown transmissions
+ * @SHUT_RDWR: shutdown receptions/transmissions
+ */
enum sock_shutdown_cmd {
SHUT_RD,
SHUT_WR,
diff --git a/include/linux/parport.h b/include/linux/parport.h
index f41f1d041e2c..397607a0c0eb 100644
--- a/include/linux/parport.h
+++ b/include/linux/parport.h
@@ -460,7 +460,6 @@ extern size_t parport_ieee1284_epp_read_addr (struct parport *,
void *, size_t, int);
/* IEEE1284.3 functions */
-#define daisy_dev_name "Device ID probe"
extern int parport_daisy_init (struct parport *port);
extern void parport_daisy_fini (struct parport *port);
extern struct pardevice *parport_open (int devnum, const char *name);
@@ -469,18 +468,6 @@ extern ssize_t parport_device_id (int devnum, char *buffer, size_t len);
extern void parport_daisy_deselect_all (struct parport *port);
extern int parport_daisy_select (struct parport *port, int daisy, int mode);
-#ifdef CONFIG_PARPORT_1284
-extern int daisy_drv_init(void);
-extern void daisy_drv_exit(void);
-#else
-static inline int daisy_drv_init(void)
-{
- return 0;
-}
-
-static inline void daisy_drv_exit(void) {}
-#endif
-
/* Lowlevel drivers _can_ call this support function to handle irqs. */
static inline void parport_generic_irq(struct parport *port)
{
diff --git a/include/linux/sbitmap.h b/include/linux/sbitmap.h
index 14d558146aea..20f3e3f029b9 100644
--- a/include/linux/sbitmap.h
+++ b/include/linux/sbitmap.h
@@ -330,7 +330,7 @@ static inline void sbitmap_clear_bit(struct sbitmap *sb, unsigned int bitnr)
/*
* This one is special, since it doesn't actually clear the bit, rather it
* sets the corresponding bit in the ->cleared mask instead. Paired with
- * the caller doing sbitmap_batch_clear() if a given index is full, which
+ * the caller doing sbitmap_deferred_clear() if a given index is full, which
* will clear the previously freed entries in the corresponding ->word.
*/
static inline void sbitmap_deferred_clear_bit(struct sbitmap *sb, unsigned int bitnr)
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 6016daeecee4..b57cd8bf96e2 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -26,7 +26,7 @@ typedef __kernel_sa_family_t sa_family_t;
/*
* 1003.1g requires sa_family_t and that sa_data is char.
*/
-
+
struct sockaddr {
sa_family_t sa_family; /* address family, AF_xxx */
char sa_data[14]; /* 14 bytes of protocol address */
@@ -44,7 +44,7 @@ struct linger {
* system, not 4.3. Thus msg_accrights(len) are now missing. They
* belong in an obscure libc emulation or the bin.
*/
-
+
struct msghdr {
void *msg_name; /* ptr to socket address structure */
int msg_namelen; /* size of socket address structure */
@@ -54,7 +54,7 @@ struct msghdr {
unsigned int msg_flags; /* flags on received message */
struct kiocb *msg_iocb; /* ptr to iocb for async requests */
};
-
+
struct user_msghdr {
void __user *msg_name; /* ptr to socket address structure */
int msg_namelen; /* size of socket address structure */
@@ -122,7 +122,7 @@ struct cmsghdr {
* inside range, given by msg->msg_controllen before using
* ancillary object DATA. --ANK (980731)
*/
-
+
static inline struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
struct cmsghdr *__cmsg)
{
@@ -264,10 +264,10 @@ struct ucred {
/* Maximum queue length specifiable by listen. */
#define SOMAXCONN 128
-/* Flags we can use with send/ and recv.
+/* Flags we can use with send/ and recv.
Added those for 1003.1g not all are supported yet
*/
-
+
#define MSG_OOB 1
#define MSG_PEEK 2
#define MSG_DONTROUTE 4
diff --git a/include/linux/uio.h b/include/linux/uio.h
index 87477e1640f9..f184af1999a8 100644
--- a/include/linux/uio.h
+++ b/include/linux/uio.h
@@ -23,14 +23,23 @@ struct kvec {
};
enum iter_type {
- ITER_IOVEC = 0,
- ITER_KVEC = 2,
- ITER_BVEC = 4,
- ITER_PIPE = 8,
- ITER_DISCARD = 16,
+ /* set if ITER_BVEC doesn't hold a bv_page ref */
+ ITER_BVEC_FLAG_NO_REF = 2,
+
+ /* iter types */
+ ITER_IOVEC = 4,
+ ITER_KVEC = 8,
+ ITER_BVEC = 16,
+ ITER_PIPE = 32,
+ ITER_DISCARD = 64,
};
struct iov_iter {
+ /*
+ * Bit 0 is the read/write bit, set if we're writing.
+ * Bit 1 is the BVEC_FLAG_NO_REF bit, set if type is a bvec and
+ * the caller isn't expecting to drop a page reference when done.
+ */
unsigned int type;
size_t iov_offset;
size_t count;
@@ -84,6 +93,11 @@ static inline unsigned char iov_iter_rw(const struct iov_iter *i)
return i->type & (READ | WRITE);
}
+static inline bool iov_iter_bvec_no_ref(const struct iov_iter *i)
+{
+ return (i->type & ITER_BVEC_FLAG_NO_REF) != 0;
+}
+
/*
* Total number of bytes covered by an iovec.
*
diff --git a/include/linux/vbox_utils.h b/include/linux/vbox_utils.h
index a240ed2a0372..ff56c443180c 100644
--- a/include/linux/vbox_utils.h
+++ b/include/linux/vbox_utils.h
@@ -24,15 +24,17 @@ __printf(1, 2) void vbg_debug(const char *fmt, ...);
#define vbg_debug pr_debug
#endif
-int vbg_hgcm_connect(struct vbg_dev *gdev,
+int vbg_hgcm_connect(struct vbg_dev *gdev, u32 requestor,
struct vmmdev_hgcm_service_location *loc,
u32 *client_id, int *vbox_status);
-int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 client_id, int *vbox_status);
+int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 requestor,
+ u32 client_id, int *vbox_status);
-int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function,
- u32 timeout_ms, struct vmmdev_hgcm_function_parameter *parms,
- u32 parm_count, int *vbox_status);
+int vbg_hgcm_call(struct vbg_dev *gdev, u32 requestor, u32 client_id,
+ u32 function, u32 timeout_ms,
+ struct vmmdev_hgcm_function_parameter *parms, u32 parm_count,
+ int *vbox_status);
/**
* Convert a VirtualBox status code to a standard Linux kernel return value.
diff --git a/include/misc/charlcd.h b/include/misc/charlcd.h
index 23f61850f363..1832402324ce 100644
--- a/include/misc/charlcd.h
+++ b/include/misc/charlcd.h
@@ -35,6 +35,7 @@ struct charlcd_ops {
};
struct charlcd *charlcd_alloc(unsigned int drvdata_size);
+void charlcd_free(struct charlcd *lcd);
int charlcd_register(struct charlcd *lcd);
int charlcd_unregister(struct charlcd *lcd);
diff --git a/include/net/act_api.h b/include/net/act_api.h
index c745e9ccfab2..c61a1bf4e3de 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -39,7 +39,7 @@ struct tc_action {
struct gnet_stats_basic_cpu __percpu *cpu_bstats_hw;
struct gnet_stats_queue __percpu *cpu_qstats;
struct tc_cookie __rcu *act_cookie;
- struct tcf_chain *goto_chain;
+ struct tcf_chain __rcu *goto_chain;
};
#define tcf_index common.tcfa_index
#define tcf_refcnt common.tcfa_refcnt
@@ -90,7 +90,7 @@ struct tc_action_ops {
int (*lookup)(struct net *net, struct tc_action **a, u32 index);
int (*init)(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action **act, int ovr,
- int bind, bool rtnl_held,
+ int bind, bool rtnl_held, struct tcf_proto *tp,
struct netlink_ext_ack *extack);
int (*walk)(struct net *, struct sk_buff *,
struct netlink_callback *, int,
@@ -181,6 +181,11 @@ int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int);
int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int);
int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int);
+int tcf_action_check_ctrlact(int action, struct tcf_proto *tp,
+ struct tcf_chain **handle,
+ struct netlink_ext_ack *newchain);
+struct tcf_chain *tcf_action_set_ctrlact(struct tc_action *a, int action,
+ struct tcf_chain *newchain);
#endif /* CONFIG_NET_CLS_ACT */
static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes,
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 31284c078d06..7d1a0483a17b 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -378,6 +378,7 @@ struct tcf_chain {
bool flushing;
const struct tcf_proto_ops *tmplt_ops;
void *tmplt_priv;
+ struct rcu_head rcu;
};
struct tcf_block {
diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h
index 32ee65a30aff..1c6e6c0766ca 100644
--- a/include/net/sctp/checksum.h
+++ b/include/net/sctp/checksum.h
@@ -61,7 +61,7 @@ static inline __wsum sctp_csum_combine(__wsum csum, __wsum csum2,
static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
unsigned int offset)
{
- struct sctphdr *sh = sctp_hdr(skb);
+ struct sctphdr *sh = (struct sctphdr *)(skb->data + offset);
const struct skb_checksum_ops ops = {
.update = sctp_csum_update,
.combine = sctp_csum_combine,
diff --git a/include/net/sock.h b/include/net/sock.h
index 328cb7cb7b0b..8de5ee258b93 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -710,6 +710,12 @@ static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)
hlist_add_head_rcu(&sk->sk_node, list);
}
+static inline void sk_add_node_tail_rcu(struct sock *sk, struct hlist_head *list)
+{
+ sock_hold(sk);
+ hlist_add_tail_rcu(&sk->sk_node, list);
+}
+
static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
{
hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list);
diff --git a/include/net/tc_act/tc_gact.h b/include/net/tc_act/tc_gact.h
index ee8d005f56fc..eb8f01c819e6 100644
--- a/include/net/tc_act/tc_gact.h
+++ b/include/net/tc_act/tc_gact.h
@@ -56,7 +56,7 @@ static inline bool is_tcf_gact_goto_chain(const struct tc_action *a)
static inline u32 tcf_gact_goto_chain_index(const struct tc_action *a)
{
- return a->goto_chain->index;
+ return READ_ONCE(a->tcfa_action) & TC_ACT_EXT_VAL_MASK;
}
#endif /* __NET_TC_GACT_H */
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index 61cf7dbb6782..d074b6d60f8a 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -36,7 +36,6 @@ struct xdp_umem {
u32 headroom;
u32 chunk_size_nohr;
struct user_struct *user;
- struct pid *pid;
unsigned long address;
refcount_t users;
struct work_struct work;
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 3c38ac9a92a7..929c8e537a14 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -502,16 +502,6 @@ union bpf_attr {
* Return
* 0 on success, or a negative error in case of failure.
*
- * int bpf_map_push_elem(struct bpf_map *map, const void *value, u64 flags)
- * Description
- * Push an element *value* in *map*. *flags* is one of:
- *
- * **BPF_EXIST**
- * If the queue/stack is full, the oldest element is removed to
- * make room for this.
- * Return
- * 0 on success, or a negative error in case of failure.
- *
* int bpf_probe_read(void *dst, u32 size, const void *src)
* Description
* For tracing programs, safely attempt to read *size* bytes from
@@ -1435,14 +1425,14 @@ union bpf_attr {
* u64 bpf_get_socket_cookie(struct bpf_sock_addr *ctx)
* Description
* Equivalent to bpf_get_socket_cookie() helper that accepts
- * *skb*, but gets socket from **struct bpf_sock_addr** contex.
+ * *skb*, but gets socket from **struct bpf_sock_addr** context.
* Return
* A 8-byte long non-decreasing number.
*
* u64 bpf_get_socket_cookie(struct bpf_sock_ops *ctx)
* Description
* Equivalent to bpf_get_socket_cookie() helper that accepts
- * *skb*, but gets socket from **struct bpf_sock_ops** contex.
+ * *skb*, but gets socket from **struct bpf_sock_ops** context.
* Return
* A 8-byte long non-decreasing number.
*
@@ -2098,52 +2088,52 @@ union bpf_attr {
* Return
* 0 on success, or a negative error in case of failure.
*
- * int bpf_rc_keydown(void *ctx, u32 protocol, u64 scancode, u32 toggle)
+ * int bpf_rc_repeat(void *ctx)
* Description
* This helper is used in programs implementing IR decoding, to
- * report a successfully decoded key press with *scancode*,
- * *toggle* value in the given *protocol*. The scancode will be
- * translated to a keycode using the rc keymap, and reported as
- * an input key down event. After a period a key up event is
- * generated. This period can be extended by calling either
- * **bpf_rc_keydown**\ () again with the same values, or calling
- * **bpf_rc_repeat**\ ().
+ * report a successfully decoded repeat key message. This delays
+ * the generation of a key up event for previously generated
+ * key down event.
*
- * Some protocols include a toggle bit, in case the button was
- * released and pressed again between consecutive scancodes.
+ * Some IR protocols like NEC have a special IR message for
+ * repeating last button, for when a button is held down.
*
* The *ctx* should point to the lirc sample as passed into
* the program.
*
- * The *protocol* is the decoded protocol number (see
- * **enum rc_proto** for some predefined values).
- *
* This helper is only available is the kernel was compiled with
* the **CONFIG_BPF_LIRC_MODE2** configuration option set to
* "**y**".
* Return
* 0
*
- * int bpf_rc_repeat(void *ctx)
+ * int bpf_rc_keydown(void *ctx, u32 protocol, u64 scancode, u32 toggle)
* Description
* This helper is used in programs implementing IR decoding, to
- * report a successfully decoded repeat key message. This delays
- * the generation of a key up event for previously generated
- * key down event.
+ * report a successfully decoded key press with *scancode*,
+ * *toggle* value in the given *protocol*. The scancode will be
+ * translated to a keycode using the rc keymap, and reported as
+ * an input key down event. After a period a key up event is
+ * generated. This period can be extended by calling either
+ * **bpf_rc_keydown**\ () again with the same values, or calling
+ * **bpf_rc_repeat**\ ().
*
- * Some IR protocols like NEC have a special IR message for
- * repeating last button, for when a button is held down.
+ * Some protocols include a toggle bit, in case the button was
+ * released and pressed again between consecutive scancodes.
*
* The *ctx* should point to the lirc sample as passed into
* the program.
*
+ * The *protocol* is the decoded protocol number (see
+ * **enum rc_proto** for some predefined values).
+ *
* This helper is only available is the kernel was compiled with
* the **CONFIG_BPF_LIRC_MODE2** configuration option set to
* "**y**".
* Return
* 0
*
- * uint64_t bpf_skb_cgroup_id(struct sk_buff *skb)
+ * u64 bpf_skb_cgroup_id(struct sk_buff *skb)
* Description
* Return the cgroup v2 id of the socket associated with the *skb*.
* This is roughly similar to the **bpf_get_cgroup_classid**\ ()
@@ -2159,30 +2149,12 @@ union bpf_attr {
* Return
* The id is returned or 0 in case the id could not be retrieved.
*
- * u64 bpf_skb_ancestor_cgroup_id(struct sk_buff *skb, int ancestor_level)
- * Description
- * Return id of cgroup v2 that is ancestor of cgroup associated
- * with the *skb* at the *ancestor_level*. The root cgroup is at
- * *ancestor_level* zero and each step down the hierarchy
- * increments the level. If *ancestor_level* == level of cgroup
- * associated with *skb*, then return value will be same as that
- * of **bpf_skb_cgroup_id**\ ().
- *
- * The helper is useful to implement policies based on cgroups
- * that are upper in hierarchy than immediate cgroup associated
- * with *skb*.
- *
- * The format of returned id and helper limitations are same as in
- * **bpf_skb_cgroup_id**\ ().
- * Return
- * The id is returned or 0 in case the id could not be retrieved.
- *
* u64 bpf_get_current_cgroup_id(void)
* Return
* A 64-bit integer containing the current cgroup id based
* on the cgroup within which the current task is running.
*
- * void* get_local_storage(void *map, u64 flags)
+ * void *bpf_get_local_storage(void *map, u64 flags)
* Description
* Get the pointer to the local storage area.
* The type and the size of the local storage is defined
@@ -2209,6 +2181,24 @@ union bpf_attr {
* Return
* 0 on success, or a negative error in case of failure.
*
+ * u64 bpf_skb_ancestor_cgroup_id(struct sk_buff *skb, int ancestor_level)
+ * Description
+ * Return id of cgroup v2 that is ancestor of cgroup associated
+ * with the *skb* at the *ancestor_level*. The root cgroup is at
+ * *ancestor_level* zero and each step down the hierarchy
+ * increments the level. If *ancestor_level* == level of cgroup
+ * associated with *skb*, then return value will be same as that
+ * of **bpf_skb_cgroup_id**\ ().
+ *
+ * The helper is useful to implement policies based on cgroups
+ * that are upper in hierarchy than immediate cgroup associated
+ * with *skb*.
+ *
+ * The format of returned id and helper limitations are same as in
+ * **bpf_skb_cgroup_id**\ ().
+ * Return
+ * The id is returned or 0 in case the id could not be retrieved.
+ *
* struct bpf_sock *bpf_sk_lookup_tcp(void *ctx, struct bpf_sock_tuple *tuple, u32 tuple_size, u64 netns, u64 flags)
* Description
* Look for TCP socket matching *tuple*, optionally in a child
@@ -2289,6 +2279,16 @@ union bpf_attr {
* Return
* 0 on success, or a negative error in case of failure.
*
+ * int bpf_map_push_elem(struct bpf_map *map, const void *value, u64 flags)
+ * Description
+ * Push an element *value* in *map*. *flags* is one of:
+ *
+ * **BPF_EXIST**
+ * If the queue/stack is full, the oldest element is
+ * removed to make room for this.
+ * Return
+ * 0 on success, or a negative error in case of failure.
+ *
* int bpf_map_pop_elem(struct bpf_map *map, void *value)
* Description
* Pop an element from *map*.
@@ -2343,29 +2343,94 @@ union bpf_attr {
* Return
* 0
*
+ * int bpf_spin_lock(struct bpf_spin_lock *lock)
+ * Description
+ * Acquire a spinlock represented by the pointer *lock*, which is
+ * stored as part of a value of a map. Taking the lock allows to
+ * safely update the rest of the fields in that value. The
+ * spinlock can (and must) later be released with a call to
+ * **bpf_spin_unlock**\ (\ *lock*\ ).
+ *
+ * Spinlocks in BPF programs come with a number of restrictions
+ * and constraints:
+ *
+ * * **bpf_spin_lock** objects are only allowed inside maps of
+ * types **BPF_MAP_TYPE_HASH** and **BPF_MAP_TYPE_ARRAY** (this
+ * list could be extended in the future).
+ * * BTF description of the map is mandatory.
+ * * The BPF program can take ONE lock at a time, since taking two
+ * or more could cause dead locks.
+ * * Only one **struct bpf_spin_lock** is allowed per map element.
+ * * When the lock is taken, calls (either BPF to BPF or helpers)
+ * are not allowed.
+ * * The **BPF_LD_ABS** and **BPF_LD_IND** instructions are not
+ * allowed inside a spinlock-ed region.
+ * * The BPF program MUST call **bpf_spin_unlock**\ () to release
+ * the lock, on all execution paths, before it returns.
+ * * The BPF program can access **struct bpf_spin_lock** only via
+ * the **bpf_spin_lock**\ () and **bpf_spin_unlock**\ ()
+ * helpers. Loading or storing data into the **struct
+ * bpf_spin_lock** *lock*\ **;** field of a map is not allowed.
+ * * To use the **bpf_spin_lock**\ () helper, the BTF description
+ * of the map value must be a struct and have **struct
+ * bpf_spin_lock** *anyname*\ **;** field at the top level.
+ * Nested lock inside another struct is not allowed.
+ * * The **struct bpf_spin_lock** *lock* field in a map value must
+ * be aligned on a multiple of 4 bytes in that value.
+ * * Syscall with command **BPF_MAP_LOOKUP_ELEM** does not copy
+ * the **bpf_spin_lock** field to user space.
+ * * Syscall with command **BPF_MAP_UPDATE_ELEM**, or update from
+ * a BPF program, do not update the **bpf_spin_lock** field.
+ * * **bpf_spin_lock** cannot be on the stack or inside a
+ * networking packet (it can only be inside of a map values).
+ * * **bpf_spin_lock** is available to root only.
+ * * Tracing programs and socket filter programs cannot use
+ * **bpf_spin_lock**\ () due to insufficient preemption checks
+ * (but this may change in the future).
+ * * **bpf_spin_lock** is not allowed in inner maps of map-in-map.
+ * Return
+ * 0
+ *
+ * int bpf_spin_unlock(struct bpf_spin_lock *lock)
+ * Description
+ * Release the *lock* previously locked by a call to
+ * **bpf_spin_lock**\ (\ *lock*\ ).
+ * Return
+ * 0
+ *
* struct bpf_sock *bpf_sk_fullsock(struct bpf_sock *sk)
* Description
* This helper gets a **struct bpf_sock** pointer such
- * that all the fields in bpf_sock can be accessed.
+ * that all the fields in this **bpf_sock** can be accessed.
* Return
- * A **struct bpf_sock** pointer on success, or NULL in
+ * A **struct bpf_sock** pointer on success, or **NULL** in
* case of failure.
*
* struct bpf_tcp_sock *bpf_tcp_sock(struct bpf_sock *sk)
* Description
* This helper gets a **struct bpf_tcp_sock** pointer from a
* **struct bpf_sock** pointer.
- *
* Return
- * A **struct bpf_tcp_sock** pointer on success, or NULL in
+ * A **struct bpf_tcp_sock** pointer on success, or **NULL** in
* case of failure.
*
* int bpf_skb_ecn_set_ce(struct sk_buf *skb)
- * Description
- * Sets ECN of IP header to ce (congestion encountered) if
- * current value is ect (ECN capable). Works with IPv6 and IPv4.
- * Return
- * 1 if set, 0 if not set.
+ * Description
+ * Set ECN (Explicit Congestion Notification) field of IP header
+ * to **CE** (Congestion Encountered) if current value is **ECT**
+ * (ECN Capable Transport). Otherwise, do nothing. Works with IPv6
+ * and IPv4.
+ * Return
+ * 1 if the **CE** flag is set (either by the current helper call
+ * or because it was already present), 0 if it is not set.
+ *
+ * struct bpf_sock *bpf_get_listener_sock(struct bpf_sock *sk)
+ * Description
+ * Return a **struct bpf_sock** pointer in **TCP_LISTEN** state.
+ * **bpf_sk_release**\ () is unnecessary and not allowed.
+ * Return
+ * A **struct bpf_sock** pointer on success, or **NULL** in
+ * case of failure.
*/
#define __BPF_FUNC_MAPPER(FN) \
FN(unspec), \
@@ -2465,7 +2530,8 @@ union bpf_attr {
FN(spin_unlock), \
FN(sk_fullsock), \
FN(tcp_sock), \
- FN(skb_ecn_set_ce),
+ FN(skb_ecn_set_ce), \
+ FN(get_listener_sock),
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
* function eBPF program intends to call
diff --git a/include/uapi/linux/vbox_vmmdev_types.h b/include/uapi/linux/vbox_vmmdev_types.h
index 0e68024f36c7..26f39816af14 100644
--- a/include/uapi/linux/vbox_vmmdev_types.h
+++ b/include/uapi/linux/vbox_vmmdev_types.h
@@ -102,6 +102,66 @@ enum vmmdev_request_type {
#define VMMDEVREQ_HGCM_CALL VMMDEVREQ_HGCM_CALL32
#endif
+/* vmmdev_request_header.requestor defines */
+
+/* Requestor user not given. */
+#define VMMDEV_REQUESTOR_USR_NOT_GIVEN 0x00000000
+/* The kernel driver (vboxguest) is the requestor. */
+#define VMMDEV_REQUESTOR_USR_DRV 0x00000001
+/* Some other kernel driver is the requestor. */
+#define VMMDEV_REQUESTOR_USR_DRV_OTHER 0x00000002
+/* The root or a admin user is the requestor. */
+#define VMMDEV_REQUESTOR_USR_ROOT 0x00000003
+/* Regular joe user is making the request. */
+#define VMMDEV_REQUESTOR_USR_USER 0x00000006
+/* User classification mask. */
+#define VMMDEV_REQUESTOR_USR_MASK 0x00000007
+
+/* Kernel mode request. Note this is 0, check for !USERMODE instead. */
+#define VMMDEV_REQUESTOR_KERNEL 0x00000000
+/* User mode request. */
+#define VMMDEV_REQUESTOR_USERMODE 0x00000008
+/* User or kernel mode classification mask. */
+#define VMMDEV_REQUESTOR_MODE_MASK 0x00000008
+
+/* Don't know the physical console association of the requestor. */
+#define VMMDEV_REQUESTOR_CON_DONT_KNOW 0x00000000
+/*
+ * The request originates with a process that is NOT associated with the
+ * physical console.
+ */
+#define VMMDEV_REQUESTOR_CON_NO 0x00000010
+/* Requestor process is associated with the physical console. */
+#define VMMDEV_REQUESTOR_CON_YES 0x00000020
+/* Console classification mask. */
+#define VMMDEV_REQUESTOR_CON_MASK 0x00000030
+
+/* Requestor is member of special VirtualBox user group. */
+#define VMMDEV_REQUESTOR_GRP_VBOX 0x00000080
+
+/* Note: trust level is for windows guests only, linux always uses not-given */
+/* Requestor trust level: Unspecified */
+#define VMMDEV_REQUESTOR_TRUST_NOT_GIVEN 0x00000000
+/* Requestor trust level: Untrusted (SID S-1-16-0) */
+#define VMMDEV_REQUESTOR_TRUST_UNTRUSTED 0x00001000
+/* Requestor trust level: Untrusted (SID S-1-16-4096) */
+#define VMMDEV_REQUESTOR_TRUST_LOW 0x00002000
+/* Requestor trust level: Medium (SID S-1-16-8192) */
+#define VMMDEV_REQUESTOR_TRUST_MEDIUM 0x00003000
+/* Requestor trust level: Medium plus (SID S-1-16-8448) */
+#define VMMDEV_REQUESTOR_TRUST_MEDIUM_PLUS 0x00004000
+/* Requestor trust level: High (SID S-1-16-12288) */
+#define VMMDEV_REQUESTOR_TRUST_HIGH 0x00005000
+/* Requestor trust level: System (SID S-1-16-16384) */
+#define VMMDEV_REQUESTOR_TRUST_SYSTEM 0x00006000
+/* Requestor trust level >= Protected (SID S-1-16-20480, S-1-16-28672) */
+#define VMMDEV_REQUESTOR_TRUST_PROTECTED 0x00007000
+/* Requestor trust level mask */
+#define VMMDEV_REQUESTOR_TRUST_MASK 0x00007000
+
+/* Requestor is using the less trusted user device node (/dev/vboxuser) */
+#define VMMDEV_REQUESTOR_USER_DEVICE 0x00008000
+
/** HGCM service location types. */
enum vmmdev_hgcm_service_location_type {
VMMDEV_HGCM_LOC_INVALID = 0,
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 11:18:54 +0000