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bpf: update header file

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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Stephen Hemminger 2017-10-27 08:28:36 +02:00
parent 86bf43c7c2
commit fa19d6bc01
1 changed files with 29 additions and 4 deletions
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33
include/uapi/linux/bpf.h
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@ -112,6 +112,7 @@ enum bpf_map_type {
BPF_MAP_TYPE_HASH_OF_MAPS,
BPF_MAP_TYPE_DEVMAP,
BPF_MAP_TYPE_SOCKMAP,
BPF_MAP_TYPE_CPUMAP,
};
enum bpf_prog_type {
@ -217,6 +218,10 @@ enum bpf_attach_type {
#define BPF_OBJ_NAME_LEN 16U
/* Flags for accessing BPF object */
#define BPF_F_RDONLY (1U << 3)
#define BPF_F_WRONLY (1U << 4)
union bpf_attr {
struct { /* anonymous struct used by BPF_MAP_CREATE command */
__u32 map_type; /* one of enum bpf_map_type */
@ -259,6 +264,7 @@ union bpf_attr {
struct { /* anonymous struct used by BPF_OBJ_* commands */
__aligned_u64 pathname;
__u32 bpf_fd;
__u32 file_flags;
};
struct { /* anonymous struct used by BPF_PROG_ATTACH/DETACH commands */
@ -286,6 +292,7 @@ union bpf_attr {
__u32 map_id;
};
__u32 next_id;
__u32 open_flags;
};
struct { /* anonymous struct used by BPF_OBJ_GET_INFO_BY_FD */
@ -606,12 +613,22 @@ union bpf_attr {
* int bpf_setsockopt(bpf_socket, level, optname, optval, optlen)
* Calls setsockopt. Not all opts are available, only those with
* integer optvals plus TCP_CONGESTION.
* Supported levels: SOL_SOCKET and IPROTO_TCP
* Supported levels: SOL_SOCKET and IPPROTO_TCP
* @bpf_socket: pointer to bpf_socket
* @level: SOL_SOCKET or IPROTO_TCP
* @level: SOL_SOCKET or IPPROTO_TCP
* @optname: option name
* @optval: pointer to option value
* @optlen: length of optval in byes
* @optlen: length of optval in bytes
* Return: 0 or negative error
*
* int bpf_getsockopt(bpf_socket, level, optname, optval, optlen)
* Calls getsockopt. Not all opts are available.
* Supported levels: IPPROTO_TCP
* @bpf_socket: pointer to bpf_socket
* @level: IPPROTO_TCP
* @optname: option name
* @optval: pointer to option value
* @optlen: length of optval in bytes
* Return: 0 or negative error
*
* int bpf_skb_adjust_room(skb, len_diff, mode, flags)
@ -714,7 +731,8 @@ union bpf_attr {
FN(sock_map_update), \
FN(xdp_adjust_meta), \
FN(perf_event_read_value), \
FN(perf_prog_read_value),
FN(perf_prog_read_value), \
FN(getsockopt),
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
* function eBPF program intends to call
@ -948,6 +966,13 @@ enum {
BPF_SOCK_OPS_NEEDS_ECN, /* If connection's congestion control
* needs ECN
*/
BPF_SOCK_OPS_BASE_RTT, /* Get base RTT. The correct value is
* based on the path and may be
* dependent on the congestion control
* algorithm. In general it indicates
* a congestion threshold. RTTs above
* this indicate congestion
*/
};
#define TCP_BPF_IW 1001 /* Set TCP initial congestion window */