sctp: Export struct sctp_info to userspace

[cascardo/linux.git] / include / uapi / linux / sctp.h

diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h
index ce70fe6..a406adc 100644 (file)
--- a/include/uapi/linux/sctp.h
+++ b/include/uapi/linux/sctp.h
@@ -112,6 +112,31 @@ typedef __s32 sctp_assoc_t;
 #define SCTP_SOCKOPT_CONNECTX  110             /* CONNECTX requests. */
 #define SCTP_SOCKOPT_CONNECTX3 111     /* CONNECTX requests (updated) */
 #define SCTP_GET_ASSOC_STATS   112     /* Read only */
+#define SCTP_PR_SUPPORTED      113
+#define SCTP_DEFAULT_PRINFO    114
+#define SCTP_PR_ASSOC_STATUS   115
+
+/* PR-SCTP policies */
+#define SCTP_PR_SCTP_NONE      0x0000
+#define SCTP_PR_SCTP_TTL       0x0010
+#define SCTP_PR_SCTP_RTX       0x0020
+#define SCTP_PR_SCTP_PRIO      0x0030
+#define SCTP_PR_SCTP_MAX       SCTP_PR_SCTP_PRIO
+#define SCTP_PR_SCTP_MASK      0x0030
+
+#define __SCTP_PR_INDEX(x)     ((x >> 4) - 1)
+#define SCTP_PR_INDEX(x)       __SCTP_PR_INDEX(SCTP_PR_SCTP_ ## x)
+
+#define SCTP_PR_POLICY(x)      ((x) & SCTP_PR_SCTP_MASK)
+#define SCTP_PR_SET_POLICY(flags, x)   \
+       do {                            \
+               flags &= ~SCTP_PR_SCTP_MASK;    \
+               flags |= x;             \
+       } while (0)
+
+#define SCTP_PR_TTL_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_TTL)
+#define SCTP_PR_RTX_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_RTX)
+#define SCTP_PR_PRIO_ENABLED(x)        (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_PRIO)
 
 /* These are bit fields for msghdr->msg_flags.  See section 5.1.  */
 /* On user space Linux, these live in <bits/socket.h> as an enum.  */
@@ -902,4 +927,85 @@ struct sctp_paddrthlds {
        __u16 spt_pathpfthld;
 };
 
+/*
+ * Socket Option for Getting the Association/Stream-Specific PR-SCTP Status
+ */
+struct sctp_prstatus {
+       sctp_assoc_t sprstat_assoc_id;
+       __u16 sprstat_sid;
+       __u16 sprstat_policy;
+       __u64 sprstat_abandoned_unsent;
+       __u64 sprstat_abandoned_sent;
+};
+
+struct sctp_default_prinfo {
+       sctp_assoc_t pr_assoc_id;
+       __u32 pr_value;
+       __u16 pr_policy;
+};
+
+struct sctp_info {
+       __u32   sctpi_tag;
+       __u32   sctpi_state;
+       __u32   sctpi_rwnd;
+       __u16   sctpi_unackdata;
+       __u16   sctpi_penddata;
+       __u16   sctpi_instrms;
+       __u16   sctpi_outstrms;
+       __u32   sctpi_fragmentation_point;
+       __u32   sctpi_inqueue;
+       __u32   sctpi_outqueue;
+       __u32   sctpi_overall_error;
+       __u32   sctpi_max_burst;
+       __u32   sctpi_maxseg;
+       __u32   sctpi_peer_rwnd;
+       __u32   sctpi_peer_tag;
+       __u8    sctpi_peer_capable;
+       __u8    sctpi_peer_sack;
+       __u16   __reserved1;
+
+       /* assoc status info */
+       __u64   sctpi_isacks;
+       __u64   sctpi_osacks;
+       __u64   sctpi_opackets;
+       __u64   sctpi_ipackets;
+       __u64   sctpi_rtxchunks;
+       __u64   sctpi_outofseqtsns;
+       __u64   sctpi_idupchunks;
+       __u64   sctpi_gapcnt;
+       __u64   sctpi_ouodchunks;
+       __u64   sctpi_iuodchunks;
+       __u64   sctpi_oodchunks;
+       __u64   sctpi_iodchunks;
+       __u64   sctpi_octrlchunks;
+       __u64   sctpi_ictrlchunks;
+
+       /* primary transport info */
+       struct sockaddr_storage sctpi_p_address;
+       __s32   sctpi_p_state;
+       __u32   sctpi_p_cwnd;
+       __u32   sctpi_p_srtt;
+       __u32   sctpi_p_rto;
+       __u32   sctpi_p_hbinterval;
+       __u32   sctpi_p_pathmaxrxt;
+       __u32   sctpi_p_sackdelay;
+       __u32   sctpi_p_sackfreq;
+       __u32   sctpi_p_ssthresh;
+       __u32   sctpi_p_partial_bytes_acked;
+       __u32   sctpi_p_flight_size;
+       __u16   sctpi_p_error;
+       __u16   __reserved2;
+
+       /* sctp sock info */
+       __u32   sctpi_s_autoclose;
+       __u32   sctpi_s_adaptation_ind;
+       __u32   sctpi_s_pd_point;
+       __u8    sctpi_s_nodelay;
+       __u8    sctpi_s_disable_fragments;
+       __u8    sctpi_s_v4mapped;
+       __u8    sctpi_s_frag_interleave;
+       __u32   sctpi_s_type;
+       __u32   __reserved3;
+};
+
 #endif /* _UAPI_SCTP_H */