diff options
Diffstat (limited to 'include/uapi/linux/if_packet.h')
| -rw-r--r-- | include/uapi/linux/if_packet.h | 74 |
1 files changed, 57 insertions, 17 deletions
diff --git a/include/uapi/linux/if_packet.h b/include/uapi/linux/if_packet.h index b950c02030c0..6cd1d7a41dfb 100644 --- a/include/uapi/linux/if_packet.h +++ b/include/uapi/linux/if_packet.h @@ -1,6 +1,8 @@ -#ifndef __LINUX_IF_PACKET_H -#define __LINUX_IF_PACKET_H +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI__LINUX_IF_PACKET_H +#define _UAPI__LINUX_IF_PACKET_H +#include <asm/byteorder.h> #include <linux/types.h> struct sockaddr_pkt { @@ -26,8 +28,10 @@ struct sockaddr_ll { #define PACKET_MULTICAST 2 /* To group */ #define PACKET_OTHERHOST 3 /* To someone else */ #define PACKET_OUTGOING 4 /* Outgoing of any type */ -/* These ones are invisible by user level */ #define PACKET_LOOPBACK 5 /* MC/BRD frame looped back */ +#define PACKET_USER 6 /* To user space */ +#define PACKET_KERNEL 7 /* To kernel space */ +/* Unused, PACKET_FASTROUTE and PACKET_LOOPBACK are invisible to user space */ #define PACKET_FASTROUTE 6 /* Fastrouted frame */ /* Packet socket options */ @@ -51,12 +55,23 @@ struct sockaddr_ll { #define PACKET_TIMESTAMP 17 #define PACKET_FANOUT 18 #define PACKET_TX_HAS_OFF 19 +#define PACKET_QDISC_BYPASS 20 +#define PACKET_ROLLOVER_STATS 21 +#define PACKET_FANOUT_DATA 22 +#define PACKET_IGNORE_OUTGOING 23 +#define PACKET_VNET_HDR_SZ 24 #define PACKET_FANOUT_HASH 0 #define PACKET_FANOUT_LB 1 #define PACKET_FANOUT_CPU 2 #define PACKET_FANOUT_ROLLOVER 3 +#define PACKET_FANOUT_RND 4 +#define PACKET_FANOUT_QM 5 +#define PACKET_FANOUT_CBPF 6 +#define PACKET_FANOUT_EBPF 7 #define PACKET_FANOUT_FLAG_ROLLOVER 0x1000 +#define PACKET_FANOUT_FLAG_UNIQUEID 0x2000 +#define PACKET_FANOUT_FLAG_IGNORE_OUTGOING 0x4000 #define PACKET_FANOUT_FLAG_DEFRAG 0x8000 struct tpacket_stats { @@ -70,6 +85,12 @@ struct tpacket_stats_v3 { unsigned int tp_freeze_q_cnt; }; +struct tpacket_rollover_stats { + __aligned_u64 tp_all; + __aligned_u64 tp_huge; + __aligned_u64 tp_failed; +}; + union tpacket_stats_u { struct tpacket_stats stats1; struct tpacket_stats_v3 stats3; @@ -82,17 +103,20 @@ struct tpacket_auxdata { __u16 tp_mac; __u16 tp_net; __u16 tp_vlan_tci; - __u16 tp_padding; + __u16 tp_vlan_tpid; }; /* Rx ring - header status */ -#define TP_STATUS_KERNEL 0 -#define TP_STATUS_USER (1 << 0) -#define TP_STATUS_COPY (1 << 1) -#define TP_STATUS_LOSING (1 << 2) -#define TP_STATUS_CSUMNOTREADY (1 << 3) -#define TP_STATUS_VLAN_VALID (1 << 4) /* auxdata has valid tp_vlan_tci */ -#define TP_STATUS_BLK_TMO (1 << 5) +#define TP_STATUS_KERNEL 0 +#define TP_STATUS_USER (1 << 0) +#define TP_STATUS_COPY (1 << 1) +#define TP_STATUS_LOSING (1 << 2) +#define TP_STATUS_CSUMNOTREADY (1 << 3) +#define TP_STATUS_VLAN_VALID (1 << 4) /* auxdata has valid tp_vlan_tci */ +#define TP_STATUS_BLK_TMO (1 << 5) +#define TP_STATUS_VLAN_TPID_VALID (1 << 6) /* auxdata has valid tp_vlan_tpid */ +#define TP_STATUS_CSUM_VALID (1 << 7) +#define TP_STATUS_GSO_TCP (1 << 8) /* Tx ring - header status */ #define TP_STATUS_AVAILABLE 0 @@ -102,8 +126,8 @@ struct tpacket_auxdata { /* Rx and Tx ring - header status */ #define TP_STATUS_TS_SOFTWARE (1 << 29) -#define TP_STATUS_TS_SYS_HARDWARE (1 << 30) -#define TP_STATUS_TS_RAW_HARDWARE (1 << 31) +#define TP_STATUS_TS_SYS_HARDWARE (1 << 30) /* deprecated, never set */ +#define TP_STATUS_TS_RAW_HARDWARE (1U << 31) /* Rx ring - feature request bits */ #define TP_FT_REQ_FILL_RXHASH 0x1 @@ -131,12 +155,15 @@ struct tpacket2_hdr { __u32 tp_sec; __u32 tp_nsec; __u16 tp_vlan_tci; - __u16 tp_padding; + __u16 tp_vlan_tpid; + __u8 tp_padding[4]; }; struct tpacket_hdr_variant1 { __u32 tp_rxhash; __u32 tp_vlan_tci; + __u16 tp_vlan_tpid; + __u16 tp_padding; }; struct tpacket3_hdr { @@ -152,6 +179,7 @@ struct tpacket3_hdr { union { struct tpacket_hdr_variant1 hv1; }; + __u8 tp_padding[8]; }; struct tpacket_bd_ts { @@ -202,8 +230,8 @@ struct tpacket_hdr_v1 { * ts_first_pkt: * Is always the time-stamp when the block was opened. * Case a) ZERO packets - * No packets to deal with but atleast you know the - * time-interval of this block. + * No packets to deal with but at least you know + * the time-interval of this block. * Case b) Non-zero packets * Use the ts of the first packet in the block. * @@ -237,7 +265,8 @@ enum tpacket_versions { - struct tpacket_hdr - pad to TPACKET_ALIGNMENT=16 - struct sockaddr_ll - - Gap, chosen so that packet data (Start+tp_net) alignes to TPACKET_ALIGNMENT=16 + - Gap, chosen so that packet data (Start+tp_net) aligns to + TPACKET_ALIGNMENT=16 - Start+tp_mac: [ Optional MAC header ] - Start+tp_net: Packet data, aligned to TPACKET_ALIGNMENT=16. - Pad to align to TPACKET_ALIGNMENT=16 @@ -272,6 +301,17 @@ struct packet_mreq { unsigned char mr_address[8]; }; +struct fanout_args { +#if defined(__LITTLE_ENDIAN_BITFIELD) + __u16 id; + __u16 type_flags; +#else + __u16 type_flags; + __u16 id; +#endif + __u32 max_num_members; +}; + #define PACKET_MR_MULTICAST 0 #define PACKET_MR_PROMISC 1 #define PACKET_MR_ALLMULTI 2 |
