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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB *//* * Copyright (c) 2010 Intel Corporation. All rights reserved. */
#ifndef _RDMA_IB_H#define _RDMA_IB_H
#include <linux/types.h>#include <linux/sched.h>#include <linux/cred.h>#include <linux/uaccess.h>#include <linux/fs.h>
struct ib_addr { union { __u8 uib_addr8[16]; __be16 uib_addr16[8]; __be32 uib_addr32[4]; __be64 uib_addr64[2]; } ib_u;#define sib_addr8 ib_u.uib_addr8#define sib_addr16 ib_u.uib_addr16#define sib_addr32 ib_u.uib_addr32#define sib_addr64 ib_u.uib_addr64#define sib_raw ib_u.uib_addr8#define sib_subnet_prefix ib_u.uib_addr64[0]#define sib_interface_id ib_u.uib_addr64[1]};
static inline bool ib_addr_any(const struct ib_addr *a){ return ((a->sib_addr64[0] | a->sib_addr64[1]) == 0);}
static inline bool ib_addr_loopback(const struct ib_addr *a){ return ((a->sib_addr32[0] | a->sib_addr32[1] | a->sib_addr32[2] | (a->sib_addr32[3] ^ htonl(1))) == 0);}
static inline void ib_addr_set(struct ib_addr *addr, __be32 w1, __be32 w2, __be32 w3, __be32 w4){ addr->sib_addr32[0] = w1; addr->sib_addr32[1] = w2; addr->sib_addr32[2] = w3; addr->sib_addr32[3] = w4;}
static inline int ib_addr_cmp(const struct ib_addr *a1, const struct ib_addr *a2){ return memcmp(a1, a2, sizeof(struct ib_addr));}
struct sockaddr_ib { unsigned short int sib_family; /* AF_IB */ __be16 sib_pkey; __be32 sib_flowinfo; struct ib_addr sib_addr; __be64 sib_sid; __be64 sib_sid_mask; __u64 sib_scope_id;};
/* * The IB interfaces that use write() as bi-directional ioctl() are * fundamentally unsafe, since there are lots of ways to trigger "write()" * calls from various contexts with elevated privileges. That includes the * traditional suid executable error message writes, but also various kernel * interfaces that can write to file descriptors. * * This function provides protection for the legacy API by restricting the * calling context. */static inline bool ib_safe_file_access(struct file *filp){ return filp->f_cred == current_cred();}
#endif /* _RDMA_IB_H */