0   b /* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_GENERIC_CHECKSUM_H #define __ASM_GENERIC_CHECKSUM_H /* * computes the checksum of a memory block at buff, length len, * and adds in "sum" (32-bit) * * returns a 32-bit number suitable for feeding into itself * or csum_tcpudp_magic * * this function must be called with even lengths, except * for the last fragment, which may be odd * * it's best to have buff aligned on a 32-bit boundary */ extern __wsum csum_partial(const void *buff, int len, __wsum sum); #ifndef ip_fast_csum /* * This is a version of ip_compute_csum() optimized for IP headers, * which always checksum on 4 octet boundaries. */ extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); #endif #ifndef csum_fold /* * Fold a partial checksum */ static inline __sum16 csum_fold(__wsum csum) { u32 sum = (__force u32)csum; sum = (sum & 0xffff) + (sum >> 16); sum = (sum & 0xffff) + (sum >> 16); return (__force __sum16)~sum; } #endif #ifndef csum_tcpudp_nofold /* * computes the checksum of the TCP/UDP pseudo-header * returns a 16-bit checksum, already complemented */ extern __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len, __u8 proto, __wsum sum); #endif #ifndef csum_tcpudp_magic static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, __u32 len, __u8 proto, __wsum sum) { return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum)); } #endif /* * this routine is used for miscellaneous IP-like checksums, mainly * in icmp.c */ extern __sum16 ip_compute_csum(const void *buff, int len); #endif /* __ASM_GENERIC_CHECKSUM_H */ " lm_J*j"Tr]ţ h 0  o /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __ASM_GENERIC_IPCBUF_H #define __ASM_GENERIC_IPCBUF_H #include /* * The generic ipc64_perm structure: * Note extra padding because this structure is passed back and forth * between kernel and user space. * * ipc64_perm was originally meant to be architecture specific, but * everyone just ended up making identical copies without specific * optimizations, so we may just as well all use the same one. * * Pad space is left for: * - 32-bit mode_t on architectures that only had 16 bit * - 32-bit seq * - 2 miscellaneous 32-bit values */ struct ipc64_perm { __kernel_key_t key; __kernel_uid32_t uid; __kernel_gid32_t gid; __kernel_uid32_t cuid; __kernel_gid32_t cgid; __kernel_mode_t mode; /* pad if mode_t is u16: */ unsigned char __pad1[4 - sizeof(__kernel_mode_t)]; unsigned short seq; unsigned short __pad2; __kernel_ulong_t __unused1; __kernel_ulong_t __unused2; }; #endif /* __ASM_GENERIC_IPCBUF_H */ 1lY>*e8Aqm1h d 5_ub &=LyZof Yks_U1!!KM2UlFf"[$+JŒf ,ɵ@`N{Ń 8C>=ʿy%o_8}q3=]{񸸹8?: Wc ]Rx%ŁON=PS󧚾ׯěb!,A $Ze}m{9~q5$1rU͕h$SeR$]@j:t@Fѣ<< X,(%,C (#&J3!LsYh/+_o*8һm8G31Nq{ S4HHe'de< e[Su{fz"IY@Ou@GD c\)*T"7$y1 2)lq7*@_^ x*:O`E uiyK HJ>N^eKy-XM;oڳ'ҨpG`:W8 Z%A"S1d2%*!X fPlͥka!Na(02LKa18}|2Py+X(JK0@VsfҰq a1O=Wy=]{Ahg9d`%3utXE2)."f)q"$crwhwy ceYƷtD!${I$ _޲i~VAsp~u@d9=g,ճtKFlB )v)" =yxMI^8$$6*YS;$7}E'I_%+fbX@) 5]rR0)i& 8x>*WRp]G1(ͲO"ru6dc~w]~O