mirror of
https://git.proxmox.com/git/mirror_iproute2
synced 2025-11-04 07:37:05 +00:00
2abc3d76e3
AF_XDP is an address family that is optimized for high performance
packet processing.
This patch adds AF_XDP support to ss(8) so that sockets can be queried
and monitored.
Example:
$ sudo ss --xdp -e -p -m
Recv-Q Send-Q Local Address:Port Peer Address:Port
0 0 enp134s0f0:q20 *
users:(("xdpsock",pid=17787,fd=3)) ino:39424 sk:4
rx(entries:2048)
tx(entries:2048)
umem(id:1,size:8388608,num_pages:2048,chunk_size:2048,headroom:0,ifindex:7,
qid:20,zc:0,refs:1)
fr(entries:2048)
cr(entries:2048) skmem:(r0,rb212992,t0,tb212992,f0,w0,o0,bl0,d0)
0 0 enp24s0f0:q0 *
users:(("xdpsock",pid=17780,fd=3)) ino:37384 sk:5
rx(entries:2048)
tx(entries:2048)
umem(id:0,size:8388608,num_pages:2048,chunk_size:2048,headroom:0,ifindex:6,
qid:0,zc:1,refs:1)
fr(entries:2048)
cr(entries:2048) skmem:(r0,rb212992,t0,tb212992,f0,w0,o0,bl0,d0)
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
325 lines
8.8 KiB
C
325 lines
8.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __UTILS_H__
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#define __UTILS_H__ 1
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#include <sys/types.h>
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#include <asm/types.h>
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#include <resolv.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <time.h>
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#ifdef HAVE_LIBBSD
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#include <bsd/string.h>
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#endif
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#include "libnetlink.h"
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#include "ll_map.h"
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#include "rtm_map.h"
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#include "json_print.h"
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extern int preferred_family;
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extern int human_readable;
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extern int use_iec;
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extern int show_stats;
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extern int show_details;
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extern int show_raw;
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extern int resolve_hosts;
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extern int oneline;
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extern int brief;
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extern int json;
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extern int pretty;
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extern int timestamp;
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extern int timestamp_short;
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extern const char * _SL_;
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extern int max_flush_loops;
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extern int batch_mode;
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extern bool do_all;
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#ifndef CONFDIR
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#define CONFDIR "/etc/iproute2"
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#endif
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#define SPRINT_BSIZE 64
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#define SPRINT_BUF(x) char x[SPRINT_BSIZE]
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void incomplete_command(void) __attribute__((noreturn));
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#define NEXT_ARG() do { argv++; if (--argc <= 0) incomplete_command(); } while(0)
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#define NEXT_ARG_OK() (argc - 1 > 0)
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#define NEXT_ARG_FWD() do { argv++; argc--; } while(0)
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#define PREV_ARG() do { argv--; argc++; } while(0)
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#define TIME_UNITS_PER_SEC 1000000
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#define NSEC_PER_USEC 1000
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#define NSEC_PER_MSEC 1000000
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#define NSEC_PER_SEC 1000000000LL
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typedef struct
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{
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__u16 flags;
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__u16 bytelen;
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__s16 bitlen;
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/* These next two fields match rtvia */
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__u16 family;
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__u32 data[64];
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} inet_prefix;
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enum {
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PREFIXLEN_SPECIFIED = (1 << 0),
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ADDRTYPE_INET = (1 << 1),
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ADDRTYPE_UNSPEC = (1 << 2),
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ADDRTYPE_MULTI = (1 << 3),
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ADDRTYPE_INET_UNSPEC = ADDRTYPE_INET | ADDRTYPE_UNSPEC,
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ADDRTYPE_INET_MULTI = ADDRTYPE_INET | ADDRTYPE_MULTI
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};
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static inline void inet_prefix_reset(inet_prefix *p)
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{
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p->flags = 0;
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}
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static inline bool is_addrtype_inet(const inet_prefix *p)
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{
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return p->flags & ADDRTYPE_INET;
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}
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static inline bool is_addrtype_inet_unspec(const inet_prefix *p)
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{
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return (p->flags & ADDRTYPE_INET_UNSPEC) == ADDRTYPE_INET_UNSPEC;
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}
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static inline bool is_addrtype_inet_multi(const inet_prefix *p)
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{
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return (p->flags & ADDRTYPE_INET_MULTI) == ADDRTYPE_INET_MULTI;
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}
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static inline bool is_addrtype_inet_not_unspec(const inet_prefix *p)
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{
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return (p->flags & ADDRTYPE_INET_UNSPEC) == ADDRTYPE_INET;
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}
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static inline bool is_addrtype_inet_not_multi(const inet_prefix *p)
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{
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return (p->flags & ADDRTYPE_INET_MULTI) == ADDRTYPE_INET;
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}
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#define DN_MAXADDL 20
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#ifndef AF_DECnet
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#define AF_DECnet 12
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#endif
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struct dn_naddr
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{
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unsigned short a_len;
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unsigned char a_addr[DN_MAXADDL];
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};
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#ifndef AF_MPLS
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# define AF_MPLS 28
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#endif
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#ifndef IPPROTO_MPLS
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#define IPPROTO_MPLS 137
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#endif
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#ifndef CLOCK_TAI
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# define CLOCK_TAI 11
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#endif
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#ifndef AF_XDP
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# define AF_XDP 44
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# if AF_MAX < 45
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# undef AF_MAX
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# define AF_MAX 45
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# endif
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#endif
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__u32 get_addr32(const char *name);
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int get_addr_1(inet_prefix *dst, const char *arg, int family);
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int get_prefix_1(inet_prefix *dst, char *arg, int family);
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int get_addr(inet_prefix *dst, const char *arg, int family);
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int get_prefix(inet_prefix *dst, char *arg, int family);
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int mask2bits(__u32 netmask);
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int get_addr_rta(inet_prefix *dst, const struct rtattr *rta, int family);
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int get_addr_ila(__u64 *val, const char *arg);
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int read_prop(const char *dev, char *prop, long *value);
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int parse_percent(double *val, const char *str);
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int get_hex(char c);
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int get_integer(int *val, const char *arg, int base);
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int get_unsigned(unsigned *val, const char *arg, int base);
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int get_time_rtt(unsigned *val, const char *arg, int *raw);
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#define get_byte get_u8
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#define get_ushort get_u16
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#define get_short get_s16
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int get_s64(__s64 *val, const char *arg, int base);
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int get_u64(__u64 *val, const char *arg, int base);
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int get_u32(__u32 *val, const char *arg, int base);
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int get_s32(__s32 *val, const char *arg, int base);
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int get_u16(__u16 *val, const char *arg, int base);
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int get_u8(__u8 *val, const char *arg, int base);
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int get_be64(__be64 *val, const char *arg, int base);
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int get_be32(__be32 *val, const char *arg, int base);
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int get_be16(__be16 *val, const char *arg, int base);
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int get_addr64(__u64 *ap, const char *cp);
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int hex2mem(const char *buf, uint8_t *mem, int count);
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char *hexstring_n2a(const __u8 *str, int len, char *buf, int blen);
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__u8 *hexstring_a2n(const char *str, __u8 *buf, int blen, unsigned int *len);
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#define ADDR64_BUF_SIZE sizeof("xxxx:xxxx:xxxx:xxxx")
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int addr64_n2a(__u64 addr, char *buff, size_t len);
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int af_bit_len(int af);
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const char *format_host_r(int af, int len, const void *addr,
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char *buf, int buflen);
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#define format_host_rta_r(af, rta, buf, buflen) \
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format_host_r(af, RTA_PAYLOAD(rta), RTA_DATA(rta), \
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buf, buflen)
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const char *format_host(int af, int lne, const void *addr);
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#define format_host_rta(af, rta) \
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format_host(af, RTA_PAYLOAD(rta), RTA_DATA(rta))
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const char *rt_addr_n2a_r(int af, int len, const void *addr,
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char *buf, int buflen);
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const char *rt_addr_n2a(int af, int len, const void *addr);
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#define rt_addr_n2a_rta(af, rta) \
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rt_addr_n2a(af, RTA_PAYLOAD(rta), RTA_DATA(rta))
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int read_family(const char *name);
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const char *family_name(int family);
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void missarg(const char *) __attribute__((noreturn));
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void invarg(const char *, const char *) __attribute__((noreturn));
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void duparg(const char *, const char *) __attribute__((noreturn));
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void duparg2(const char *, const char *) __attribute__((noreturn));
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int nodev(const char *dev);
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int check_ifname(const char *);
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int get_ifname(char *, const char *);
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const char *get_ifname_rta(int ifindex, const struct rtattr *rta);
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int matches(const char *arg, const char *pattern);
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int inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits);
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int inet_addr_match_rta(const inet_prefix *m, const struct rtattr *rta);
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const char *mpls_ntop(int af, const void *addr, char *str, size_t len);
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int mpls_pton(int af, const char *src, void *addr, size_t alen);
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extern int __iproute2_hz_internal;
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int __get_hz(void);
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static __inline__ int get_hz(void)
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{
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if (__iproute2_hz_internal == 0)
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__iproute2_hz_internal = __get_hz();
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return __iproute2_hz_internal;
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}
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extern int __iproute2_user_hz_internal;
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int __get_user_hz(void);
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static __inline__ int get_user_hz(void)
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{
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if (__iproute2_user_hz_internal == 0)
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__iproute2_user_hz_internal = __get_user_hz();
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return __iproute2_user_hz_internal;
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}
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static inline __u32 nl_mgrp(__u32 group)
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{
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if (group > 31 ) {
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fprintf(stderr, "Use setsockopt for this group %d\n", group);
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exit(-1);
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}
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return group ? (1 << (group - 1)) : 0;
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}
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/* courtesy of bridge-utils */
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static inline unsigned long __tv_to_jiffies(const struct timeval *tv)
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{
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unsigned long long jif;
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jif = 1000000ULL * tv->tv_sec + tv->tv_usec;
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return jif/10000;
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}
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static inline void __jiffies_to_tv(struct timeval *tv, unsigned long jiffies)
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{
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unsigned long long tvusec;
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tvusec = 10000ULL*jiffies;
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tv->tv_sec = tvusec/1000000;
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tv->tv_usec = tvusec - 1000000 * tv->tv_sec;
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}
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void print_escape_buf(const __u8 *buf, size_t len, const char *escape);
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int print_timestamp(FILE *fp);
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void print_nlmsg_timestamp(FILE *fp, const struct nlmsghdr *n);
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unsigned int print_name_and_link(const char *fmt,
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const char *name, struct rtattr *tb[]);
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#define BIT(nr) (1UL << (nr))
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#define BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)]))
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#ifndef offsetof
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# define offsetof(type, member) ((size_t) &((type *)0)->member)
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#endif
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#ifndef min
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# define min(x, y) ({ \
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typeof(x) _min1 = (x); \
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typeof(y) _min2 = (y); \
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(void) (&_min1 == &_min2); \
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_min1 < _min2 ? _min1 : _min2; })
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#endif
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#ifndef __check_format_string
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# define __check_format_string(pos_str, pos_args) \
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__attribute__ ((format (printf, (pos_str), (pos_args))))
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#endif
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#define _textify(x) #x
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#define textify(x) _textify(x)
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#define htonll(x) ((1==htonl(1)) ? (x) : ((uint64_t)htonl((x) & 0xFFFFFFFF) << 32) | htonl((x) >> 32))
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#define ntohll(x) ((1==ntohl(1)) ? (x) : ((uint64_t)ntohl((x) & 0xFFFFFFFF) << 32) | ntohl((x) >> 32))
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extern int cmdlineno;
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ssize_t getcmdline(char **line, size_t *len, FILE *in);
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int makeargs(char *line, char *argv[], int maxargs);
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int do_each_netns(int (*func)(char *nsname, void *arg), void *arg,
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bool show_label);
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char *int_to_str(int val, char *buf);
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int get_guid(__u64 *guid, const char *arg);
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int get_real_family(int rtm_type, int rtm_family);
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int cmd_exec(const char *cmd, char **argv, bool do_fork);
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int make_path(const char *path, mode_t mode);
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char *find_cgroup2_mount(void);
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int get_command_name(const char *pid, char *comm, size_t len);
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int get_rtnl_link_stats_rta(struct rtnl_link_stats64 *stats64,
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struct rtattr *tb[]);
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#ifdef NEED_STRLCPY
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size_t strlcpy(char *dst, const char *src, size_t size);
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size_t strlcat(char *dst, const char *src, size_t size);
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#endif
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void drop_cap(void);
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int get_time(unsigned int *time, const char *str);
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int get_time64(__s64 *time, const char *str);
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char *sprint_time(__u32 time, char *buf);
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char *sprint_time64(__s64 time, char *buf);
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#endif /* __UTILS_H__ */
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