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![Nicolas Dichtel](/assets/img/avatar_default.png)
This patch allows to dump BPF filters attached to a socket with SO_ATTACH_FILTER. Note that we check CAP_SYS_ADMIN before allowing to dump this info. For now, only AF_PACKET sockets use this feature. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
79 lines
1.5 KiB
C
79 lines
1.5 KiB
C
#ifndef __PACKET_DIAG_H__
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#define __PACKET_DIAG_H__
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#include <linux/types.h>
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struct packet_diag_req {
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__u8 sdiag_family;
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__u8 sdiag_protocol;
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__u16 pad;
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__u32 pdiag_ino;
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__u32 pdiag_show;
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__u32 pdiag_cookie[2];
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};
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#define PACKET_SHOW_INFO 0x00000001 /* Basic packet_sk information */
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#define PACKET_SHOW_MCLIST 0x00000002 /* A set of packet_diag_mclist-s */
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#define PACKET_SHOW_RING_CFG 0x00000004 /* Rings configuration parameters */
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#define PACKET_SHOW_FANOUT 0x00000008
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#define PACKET_SHOW_MEMINFO 0x00000010
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#define PACKET_SHOW_FILTER 0x00000020
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struct packet_diag_msg {
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__u8 pdiag_family;
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__u8 pdiag_type;
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__u16 pdiag_num;
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__u32 pdiag_ino;
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__u32 pdiag_cookie[2];
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};
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enum {
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PACKET_DIAG_INFO,
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PACKET_DIAG_MCLIST,
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PACKET_DIAG_RX_RING,
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PACKET_DIAG_TX_RING,
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PACKET_DIAG_FANOUT,
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PACKET_DIAG_UID,
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PACKET_DIAG_MEMINFO,
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PACKET_DIAG_FILTER,
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__PACKET_DIAG_MAX,
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};
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#define PACKET_DIAG_MAX (__PACKET_DIAG_MAX - 1)
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struct packet_diag_info {
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__u32 pdi_index;
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__u32 pdi_version;
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__u32 pdi_reserve;
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__u32 pdi_copy_thresh;
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__u32 pdi_tstamp;
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__u32 pdi_flags;
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#define PDI_RUNNING 0x1
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#define PDI_AUXDATA 0x2
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#define PDI_ORIGDEV 0x4
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#define PDI_VNETHDR 0x8
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#define PDI_LOSS 0x10
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};
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struct packet_diag_mclist {
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__u32 pdmc_index;
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__u32 pdmc_count;
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__u16 pdmc_type;
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__u16 pdmc_alen;
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__u8 pdmc_addr[MAX_ADDR_LEN];
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};
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struct packet_diag_ring {
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__u32 pdr_block_size;
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__u32 pdr_block_nr;
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__u32 pdr_frame_size;
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__u32 pdr_frame_nr;
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__u32 pdr_retire_tmo;
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__u32 pdr_sizeof_priv;
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__u32 pdr_features;
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};
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#endif
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