Alexei Starovoitov says: ==================== pull-request: bpf-next 2019-06-19 The following pull-request contains BPF updates for your *net-next* tree. The main changes are: 1) new SO_REUSEPORT_DETACH_BPF setsocktopt, from Martin. 2) BTF based map definition, from Andrii. 3) support bpf_map_lookup_elem for xskmap, from Jonathan. 4) bounded loops and scalar precision logic in the verifier, from Alexei. ====================
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| @@ -0,0 +1,147 @@ | ||
| 1 | +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ | |
| 2 | +#ifndef __ASM_GENERIC_SOCKET_H | |
| 3 | +#define __ASM_GENERIC_SOCKET_H | |
| 4 | + | |
| 5 | +#include <linux/posix_types.h> | |
| 6 | +#include <asm/sockios.h> | |
| 7 | + | |
| 8 | +/* For setsockopt(2) */ | |
| 9 | +#define SOL_SOCKET 1 | |
| 10 | + | |
| 11 | +#define SO_DEBUG 1 | |
| 12 | +#define SO_REUSEADDR 2 | |
| 13 | +#define SO_TYPE 3 | |
| 14 | +#define SO_ERROR 4 | |
| 15 | +#define SO_DONTROUTE 5 | |
| 16 | +#define SO_BROADCAST 6 | |
| 17 | +#define SO_SNDBUF 7 | |
| 18 | +#define SO_RCVBUF 8 | |
| 19 | +#define SO_SNDBUFFORCE 32 | |
| 20 | +#define SO_RCVBUFFORCE 33 | |
| 21 | +#define SO_KEEPALIVE 9 | |
| 22 | +#define SO_OOBINLINE 10 | |
| 23 | +#define SO_NO_CHECK 11 | |
| 24 | +#define SO_PRIORITY 12 | |
| 25 | +#define SO_LINGER 13 | |
| 26 | +#define SO_BSDCOMPAT 14 | |
| 27 | +#define SO_REUSEPORT 15 | |
| 28 | +#ifndef SO_PASSCRED /* powerpc only differs in these */ | |
| 29 | +#define SO_PASSCRED 16 | |
| 30 | +#define SO_PEERCRED 17 | |
| 31 | +#define SO_RCVLOWAT 18 | |
| 32 | +#define SO_SNDLOWAT 19 | |
| 33 | +#define SO_RCVTIMEO_OLD 20 | |
| 34 | +#define SO_SNDTIMEO_OLD 21 | |
| 35 | +#endif | |
| 36 | + | |
| 37 | +/* Security levels - as per NRL IPv6 - don't actually do anything */ | |
| 38 | +#define SO_SECURITY_AUTHENTICATION 22 | |
| 39 | +#define SO_SECURITY_ENCRYPTION_TRANSPORT 23 | |
| 40 | +#define SO_SECURITY_ENCRYPTION_NETWORK 24 | |
| 41 | + | |
| 42 | +#define SO_BINDTODEVICE 25 | |
| 43 | + | |
| 44 | +/* Socket filtering */ | |
| 45 | +#define SO_ATTACH_FILTER 26 | |
| 46 | +#define SO_DETACH_FILTER 27 | |
| 47 | +#define SO_GET_FILTER SO_ATTACH_FILTER | |
| 48 | + | |
| 49 | +#define SO_PEERNAME 28 | |
| 50 | + | |
| 51 | +#define SO_ACCEPTCONN 30 | |
| 52 | + | |
| 53 | +#define SO_PEERSEC 31 | |
| 54 | +#define SO_PASSSEC 34 | |
| 55 | + | |
| 56 | +#define SO_MARK 36 | |
| 57 | + | |
| 58 | +#define SO_PROTOCOL 38 | |
| 59 | +#define SO_DOMAIN 39 | |
| 60 | + | |
| 61 | +#define SO_RXQ_OVFL 40 | |
| 62 | + | |
| 63 | +#define SO_WIFI_STATUS 41 | |
| 64 | +#define SCM_WIFI_STATUS SO_WIFI_STATUS | |
| 65 | +#define SO_PEEK_OFF 42 | |
| 66 | + | |
| 67 | +/* Instruct lower device to use last 4-bytes of skb data as FCS */ | |
| 68 | +#define SO_NOFCS 43 | |
| 69 | + | |
| 70 | +#define SO_LOCK_FILTER 44 | |
| 71 | + | |
| 72 | +#define SO_SELECT_ERR_QUEUE 45 | |
| 73 | + | |
| 74 | +#define SO_BUSY_POLL 46 | |
| 75 | + | |
| 76 | +#define SO_MAX_PACING_RATE 47 | |
| 77 | + | |
| 78 | +#define SO_BPF_EXTENSIONS 48 | |
| 79 | + | |
| 80 | +#define SO_INCOMING_CPU 49 | |
| 81 | + | |
| 82 | +#define SO_ATTACH_BPF 50 | |
| 83 | +#define SO_DETACH_BPF SO_DETACH_FILTER | |
| 84 | + | |
| 85 | +#define SO_ATTACH_REUSEPORT_CBPF 51 | |
| 86 | +#define SO_ATTACH_REUSEPORT_EBPF 52 | |
| 87 | + | |
| 88 | +#define SO_CNX_ADVICE 53 | |
| 89 | + | |
| 90 | +#define SCM_TIMESTAMPING_OPT_STATS 54 | |
| 91 | + | |
| 92 | +#define SO_MEMINFO 55 | |
| 93 | + | |
| 94 | +#define SO_INCOMING_NAPI_ID 56 | |
| 95 | + | |
| 96 | +#define SO_COOKIE 57 | |
| 97 | + | |
| 98 | +#define SCM_TIMESTAMPING_PKTINFO 58 | |
| 99 | + | |
| 100 | +#define SO_PEERGROUPS 59 | |
| 101 | + | |
| 102 | +#define SO_ZEROCOPY 60 | |
| 103 | + | |
| 104 | +#define SO_TXTIME 61 | |
| 105 | +#define SCM_TXTIME SO_TXTIME | |
| 106 | + | |
| 107 | +#define SO_BINDTOIFINDEX 62 | |
| 108 | + | |
| 109 | +#define SO_TIMESTAMP_OLD 29 | |
| 110 | +#define SO_TIMESTAMPNS_OLD 35 | |
| 111 | +#define SO_TIMESTAMPING_OLD 37 | |
| 112 | + | |
| 113 | +#define SO_TIMESTAMP_NEW 63 | |
| 114 | +#define SO_TIMESTAMPNS_NEW 64 | |
| 115 | +#define SO_TIMESTAMPING_NEW 65 | |
| 116 | + | |
| 117 | +#define SO_RCVTIMEO_NEW 66 | |
| 118 | +#define SO_SNDTIMEO_NEW 67 | |
| 119 | + | |
| 120 | +#define SO_DETACH_REUSEPORT_BPF 68 | |
| 121 | + | |
| 122 | +#if !defined(__KERNEL__) | |
| 123 | + | |
| 124 | +#if __BITS_PER_LONG == 64 || (defined(__x86_64__) && defined(__ILP32__)) | |
| 125 | +/* on 64-bit and x32, avoid the ?: operator */ | |
| 126 | +#define SO_TIMESTAMP SO_TIMESTAMP_OLD | |
| 127 | +#define SO_TIMESTAMPNS SO_TIMESTAMPNS_OLD | |
| 128 | +#define SO_TIMESTAMPING SO_TIMESTAMPING_OLD | |
| 129 | + | |
| 130 | +#define SO_RCVTIMEO SO_RCVTIMEO_OLD | |
| 131 | +#define SO_SNDTIMEO SO_SNDTIMEO_OLD | |
| 132 | +#else | |
| 133 | +#define SO_TIMESTAMP (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMP_OLD : SO_TIMESTAMP_NEW) | |
| 134 | +#define SO_TIMESTAMPNS (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMPNS_OLD : SO_TIMESTAMPNS_NEW) | |
| 135 | +#define SO_TIMESTAMPING (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMPING_OLD : SO_TIMESTAMPING_NEW) | |
| 136 | + | |
| 137 | +#define SO_RCVTIMEO (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_RCVTIMEO_OLD : SO_RCVTIMEO_NEW) | |
| 138 | +#define SO_SNDTIMEO (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_SNDTIMEO_OLD : SO_SNDTIMEO_NEW) | |
| 139 | +#endif | |
| 140 | + | |
| 141 | +#define SCM_TIMESTAMP SO_TIMESTAMP | |
| 142 | +#define SCM_TIMESTAMPNS SO_TIMESTAMPNS | |
| 143 | +#define SCM_TIMESTAMPING SO_TIMESTAMPING | |
| 144 | + | |
| 145 | +#endif | |
| 146 | + | |
| 147 | +#endif /* __ASM_GENERIC_SOCKET_H */ | |
| @@ -3085,6 +3085,10 @@ struct bpf_sock_tuple { · 3084 unmodified lines | ||
| 3085 | 3085 | }; |
| 3086 | 3086 | }; |
| 3087 | 3087 | |
| 3088 | +struct bpf_xdp_sock { | |
| 3089 | + __u32 queue_id; | |
| 3090 | +}; | |
| 3091 | + | |
| 3088 | 3092 | #define XDP_PACKET_HEADROOM 256 |
| 3089 | 3093 | |
| 3090 | 3094 | /* User return codes for XDP prog type. |
| @@ -3245,6 +3249,7 @@ struct bpf_sock_addr { · 154 unmodified lines | ||
| 3245 | 3249 | __u32 msg_src_ip6[4]; /* Allows 1,2,4-byte read an 4-byte write. |
| 3246 | 3250 | * Stored in network byte order. |
| 3247 | 3251 | */ |
| 3252 | + __bpf_md_ptr(struct bpf_sock *, sk); | |
| 3248 | 3253 | }; |
| 3249 | 3254 | |
| 3250 | 3255 | /* User bpf_sock_ops struct to access socket values and specify request ops |
| @@ -3296,6 +3301,7 @@ struct bpf_sock_ops { · 45 unmodified lines | ||
| 3296 | 3301 | __u32 sk_txhash; |
| 3297 | 3302 | __u64 bytes_received; |
| 3298 | 3303 | __u64 bytes_acked; |
| 3304 | + __bpf_md_ptr(struct bpf_sock *, sk); | |
| 3299 | 3305 | }; |
| 3300 | 3306 | |
| 3301 | 3307 | /* Definitions for bpf_sock_ops_cb_flags */ |