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authorDavid Howells <dhowells@redhat.com>2012-10-13 05:46:48 -0400
committerDavid Howells <dhowells@redhat.com>2012-10-13 05:46:48 -0400
commit607ca46e97a1b6594b29647d98a32d545c24bdff (patch)
tree30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/linux/if_packet.h
parent08cce05c5a91f5017f4edc9866cf026908c73f9f (diff)
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/linux/if_packet.h')
-rw-r--r--include/linux/if_packet.h272
1 files changed, 0 insertions, 272 deletions
diff --git a/include/linux/if_packet.h b/include/linux/if_packet.h
deleted file mode 100644
index f3799295d231..000000000000
--- a/include/linux/if_packet.h
+++ /dev/null
@@ -1,272 +0,0 @@
1#ifndef __LINUX_IF_PACKET_H
2#define __LINUX_IF_PACKET_H
3
4#include <linux/types.h>
5
6struct sockaddr_pkt {
7 unsigned short spkt_family;
8 unsigned char spkt_device[14];
9 __be16 spkt_protocol;
10};
11
12struct sockaddr_ll {
13 unsigned short sll_family;
14 __be16 sll_protocol;
15 int sll_ifindex;
16 unsigned short sll_hatype;
17 unsigned char sll_pkttype;
18 unsigned char sll_halen;
19 unsigned char sll_addr[8];
20};
21
22/* Packet types */
23
24#define PACKET_HOST 0 /* To us */
25#define PACKET_BROADCAST 1 /* To all */
26#define PACKET_MULTICAST 2 /* To group */
27#define PACKET_OTHERHOST 3 /* To someone else */
28#define PACKET_OUTGOING 4 /* Outgoing of any type */
29/* These ones are invisible by user level */
30#define PACKET_LOOPBACK 5 /* MC/BRD frame looped back */
31#define PACKET_FASTROUTE 6 /* Fastrouted frame */
32
33/* Packet socket options */
34
35#define PACKET_ADD_MEMBERSHIP 1
36#define PACKET_DROP_MEMBERSHIP 2
37#define PACKET_RECV_OUTPUT 3
38/* Value 4 is still used by obsolete turbo-packet. */
39#define PACKET_RX_RING 5
40#define PACKET_STATISTICS 6
41#define PACKET_COPY_THRESH 7
42#define PACKET_AUXDATA 8
43#define PACKET_ORIGDEV 9
44#define PACKET_VERSION 10
45#define PACKET_HDRLEN 11
46#define PACKET_RESERVE 12
47#define PACKET_TX_RING 13
48#define PACKET_LOSS 14
49#define PACKET_VNET_HDR 15
50#define PACKET_TX_TIMESTAMP 16
51#define PACKET_TIMESTAMP 17
52#define PACKET_FANOUT 18
53
54#define PACKET_FANOUT_HASH 0
55#define PACKET_FANOUT_LB 1
56#define PACKET_FANOUT_CPU 2
57#define PACKET_FANOUT_FLAG_DEFRAG 0x8000
58
59struct tpacket_stats {
60 unsigned int tp_packets;
61 unsigned int tp_drops;
62};
63
64struct tpacket_stats_v3 {
65 unsigned int tp_packets;
66 unsigned int tp_drops;
67 unsigned int tp_freeze_q_cnt;
68};
69
70union tpacket_stats_u {
71 struct tpacket_stats stats1;
72 struct tpacket_stats_v3 stats3;
73};
74
75struct tpacket_auxdata {
76 __u32 tp_status;
77 __u32 tp_len;
78 __u32 tp_snaplen;
79 __u16 tp_mac;
80 __u16 tp_net;
81 __u16 tp_vlan_tci;
82 __u16 tp_padding;
83};
84
85/* Rx ring - header status */
86#define TP_STATUS_KERNEL 0x0
87#define TP_STATUS_USER 0x1
88#define TP_STATUS_COPY 0x2
89#define TP_STATUS_LOSING 0x4
90#define TP_STATUS_CSUMNOTREADY 0x8
91#define TP_STATUS_VLAN_VALID 0x10 /* auxdata has valid tp_vlan_tci */
92#define TP_STATUS_BLK_TMO 0x20
93
94/* Tx ring - header status */
95#define TP_STATUS_AVAILABLE 0x0
96#define TP_STATUS_SEND_REQUEST 0x1
97#define TP_STATUS_SENDING 0x2
98#define TP_STATUS_WRONG_FORMAT 0x4
99
100/* Rx ring - feature request bits */
101#define TP_FT_REQ_FILL_RXHASH 0x1
102
103struct tpacket_hdr {
104 unsigned long tp_status;
105 unsigned int tp_len;
106 unsigned int tp_snaplen;
107 unsigned short tp_mac;
108 unsigned short tp_net;
109 unsigned int tp_sec;
110 unsigned int tp_usec;
111};
112
113#define TPACKET_ALIGNMENT 16
114#define TPACKET_ALIGN(x) (((x)+TPACKET_ALIGNMENT-1)&~(TPACKET_ALIGNMENT-1))
115#define TPACKET_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket_hdr)) + sizeof(struct sockaddr_ll))
116
117struct tpacket2_hdr {
118 __u32 tp_status;
119 __u32 tp_len;
120 __u32 tp_snaplen;
121 __u16 tp_mac;
122 __u16 tp_net;
123 __u32 tp_sec;
124 __u32 tp_nsec;
125 __u16 tp_vlan_tci;
126 __u16 tp_padding;
127};
128
129struct tpacket_hdr_variant1 {
130 __u32 tp_rxhash;
131 __u32 tp_vlan_tci;
132};
133
134struct tpacket3_hdr {
135 __u32 tp_next_offset;
136 __u32 tp_sec;
137 __u32 tp_nsec;
138 __u32 tp_snaplen;
139 __u32 tp_len;
140 __u32 tp_status;
141 __u16 tp_mac;
142 __u16 tp_net;
143 /* pkt_hdr variants */
144 union {
145 struct tpacket_hdr_variant1 hv1;
146 };
147};
148
149struct tpacket_bd_ts {
150 unsigned int ts_sec;
151 union {
152 unsigned int ts_usec;
153 unsigned int ts_nsec;
154 };
155};
156
157struct tpacket_hdr_v1 {
158 __u32 block_status;
159 __u32 num_pkts;
160 __u32 offset_to_first_pkt;
161
162 /* Number of valid bytes (including padding)
163 * blk_len <= tp_block_size
164 */
165 __u32 blk_len;
166
167 /*
168 * Quite a few uses of sequence number:
169 * 1. Make sure cache flush etc worked.
170 * Well, one can argue - why not use the increasing ts below?
171 * But look at 2. below first.
172 * 2. When you pass around blocks to other user space decoders,
173 * you can see which blk[s] is[are] outstanding etc.
174 * 3. Validate kernel code.
175 */
176 __aligned_u64 seq_num;
177
178 /*
179 * ts_last_pkt:
180 *
181 * Case 1. Block has 'N'(N >=1) packets and TMO'd(timed out)
182 * ts_last_pkt == 'time-stamp of last packet' and NOT the
183 * time when the timer fired and the block was closed.
184 * By providing the ts of the last packet we can absolutely
185 * guarantee that time-stamp wise, the first packet in the
186 * next block will never precede the last packet of the
187 * previous block.
188 * Case 2. Block has zero packets and TMO'd
189 * ts_last_pkt = time when the timer fired and the block
190 * was closed.
191 * Case 3. Block has 'N' packets and NO TMO.
192 * ts_last_pkt = time-stamp of the last pkt in the block.
193 *
194 * ts_first_pkt:
195 * Is always the time-stamp when the block was opened.
196 * Case a) ZERO packets
197 * No packets to deal with but atleast you know the
198 * time-interval of this block.
199 * Case b) Non-zero packets
200 * Use the ts of the first packet in the block.
201 *
202 */
203 struct tpacket_bd_ts ts_first_pkt, ts_last_pkt;
204};
205
206union tpacket_bd_header_u {
207 struct tpacket_hdr_v1 bh1;
208};
209
210struct tpacket_block_desc {
211 __u32 version;
212 __u32 offset_to_priv;
213 union tpacket_bd_header_u hdr;
214};
215
216#define TPACKET2_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket2_hdr)) + sizeof(struct sockaddr_ll))
217#define TPACKET3_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket3_hdr)) + sizeof(struct sockaddr_ll))
218
219enum tpacket_versions {
220 TPACKET_V1,
221 TPACKET_V2,
222 TPACKET_V3
223};
224
225/*
226 Frame structure:
227
228 - Start. Frame must be aligned to TPACKET_ALIGNMENT=16
229 - struct tpacket_hdr
230 - pad to TPACKET_ALIGNMENT=16
231 - struct sockaddr_ll
232 - Gap, chosen so that packet data (Start+tp_net) alignes to TPACKET_ALIGNMENT=16
233 - Start+tp_mac: [ Optional MAC header ]
234 - Start+tp_net: Packet data, aligned to TPACKET_ALIGNMENT=16.
235 - Pad to align to TPACKET_ALIGNMENT=16
236 */
237
238struct tpacket_req {
239 unsigned int tp_block_size; /* Minimal size of contiguous block */
240 unsigned int tp_block_nr; /* Number of blocks */
241 unsigned int tp_frame_size; /* Size of frame */
242 unsigned int tp_frame_nr; /* Total number of frames */
243};
244
245struct tpacket_req3 {
246 unsigned int tp_block_size; /* Minimal size of contiguous block */
247 unsigned int tp_block_nr; /* Number of blocks */
248 unsigned int tp_frame_size; /* Size of frame */
249 unsigned int tp_frame_nr; /* Total number of frames */
250 unsigned int tp_retire_blk_tov; /* timeout in msecs */
251 unsigned int tp_sizeof_priv; /* offset to private data area */
252 unsigned int tp_feature_req_word;
253};
254
255union tpacket_req_u {
256 struct tpacket_req req;
257 struct tpacket_req3 req3;
258};
259
260struct packet_mreq {
261 int mr_ifindex;
262 unsigned short mr_type;
263 unsigned short mr_alen;
264 unsigned char mr_address[8];
265};
266
267#define PACKET_MR_MULTICAST 0
268#define PACKET_MR_PROMISC 1
269#define PACKET_MR_ALLMULTI 2
270#define PACKET_MR_UNICAST 3
271
272#endif
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