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Diffstat (limited to 'include/uapi/linux/rds.h')
-rw-r--r--include/uapi/linux/rds.h98
1 files changed, 95 insertions, 3 deletions
diff --git a/include/uapi/linux/rds.h b/include/uapi/linux/rds.h
index 198892b95f09..c21edb966c19 100644
--- a/include/uapi/linux/rds.h
+++ b/include/uapi/linux/rds.h
@@ -1,5 +1,6 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
/*
- * Copyright (c) 2008 Oracle. All rights reserved.
+ * Copyright (c) 2008, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -36,6 +37,7 @@
#include <linux/types.h>
#include <linux/socket.h> /* For __kernel_sockaddr_storage. */
+#include <linux/in6.h> /* For struct in6_addr. */
#define RDS_IB_ABI_VERSION 0x301
@@ -62,10 +64,18 @@
/* supported values for SO_RDS_TRANSPORT */
#define RDS_TRANS_IB 0
-#define RDS_TRANS_IWARP 1
+#define RDS_TRANS_GAP 1
#define RDS_TRANS_TCP 2
#define RDS_TRANS_COUNT 3
#define RDS_TRANS_NONE (~0)
+/* don't use RDS_TRANS_IWARP - it is deprecated */
+#define RDS_TRANS_IWARP RDS_TRANS_GAP
+
+/* IOCTLS commands for SOL_RDS */
+#define SIOCRDSSETTOS (SIOCPROTOPRIVATE)
+#define SIOCRDSGETTOS (SIOCPROTOPRIVATE + 1)
+
+typedef __u8 rds_tos_t;
/*
* Control message types for SOL_RDS.
@@ -102,6 +112,8 @@
#define RDS_CMSG_MASKED_ATOMIC_FADD 8
#define RDS_CMSG_MASKED_ATOMIC_CSWP 9
#define RDS_CMSG_RXPATH_LATENCY 11
+#define RDS_CMSG_ZCOPY_COOKIE 12
+#define RDS_CMSG_ZCOPY_COMPLETION 13
#define RDS_INFO_FIRST 10000
#define RDS_INFO_COUNTERS 10000
@@ -115,7 +127,17 @@
#define RDS_INFO_IB_CONNECTIONS 10008
#define RDS_INFO_CONNECTION_STATS 10009
#define RDS_INFO_IWARP_CONNECTIONS 10010
-#define RDS_INFO_LAST 10010
+
+/* PF_RDS6 options */
+#define RDS6_INFO_CONNECTIONS 10011
+#define RDS6_INFO_SEND_MESSAGES 10012
+#define RDS6_INFO_RETRANS_MESSAGES 10013
+#define RDS6_INFO_RECV_MESSAGES 10014
+#define RDS6_INFO_SOCKETS 10015
+#define RDS6_INFO_TCP_SOCKETS 10016
+#define RDS6_INFO_IB_CONNECTIONS 10017
+
+#define RDS_INFO_LAST 10017
struct rds_info_counter {
__u8 name[32];
@@ -135,6 +157,16 @@ struct rds_info_connection {
__be32 faddr;
__u8 transport[TRANSNAMSIZ]; /* null term ascii */
__u8 flags;
+ __u8 tos;
+} __attribute__((packed));
+
+struct rds6_info_connection {
+ __u64 next_tx_seq;
+ __u64 next_rx_seq;
+ struct in6_addr laddr;
+ struct in6_addr faddr;
+ __u8 transport[TRANSNAMSIZ]; /* null term ascii */
+ __u8 flags;
} __attribute__((packed));
#define RDS_INFO_MESSAGE_FLAG_ACK 0x01
@@ -148,6 +180,18 @@ struct rds_info_message {
__be16 lport;
__be16 fport;
__u8 flags;
+ __u8 tos;
+} __attribute__((packed));
+
+struct rds6_info_message {
+ __u64 seq;
+ __u32 len;
+ struct in6_addr laddr;
+ struct in6_addr faddr;
+ __be16 lport;
+ __be16 fport;
+ __u8 flags;
+ __u8 tos;
} __attribute__((packed));
struct rds_info_socket {
@@ -160,6 +204,16 @@ struct rds_info_socket {
__u64 inum;
} __attribute__((packed));
+struct rds6_info_socket {
+ __u32 sndbuf;
+ struct in6_addr bound_addr;
+ struct in6_addr connected_addr;
+ __be16 bound_port;
+ __be16 connected_port;
+ __u32 rcvbuf;
+ __u64 inum;
+} __attribute__((packed));
+
struct rds_info_tcp_socket {
__be32 local_addr;
__be16 local_port;
@@ -170,6 +224,19 @@ struct rds_info_tcp_socket {
__u32 last_sent_nxt;
__u32 last_expected_una;
__u32 last_seen_una;
+ __u8 tos;
+} __attribute__((packed));
+
+struct rds6_info_tcp_socket {
+ struct in6_addr local_addr;
+ __be16 local_port;
+ struct in6_addr peer_addr;
+ __be16 peer_port;
+ __u64 hdr_rem;
+ __u64 data_rem;
+ __u32 last_sent_nxt;
+ __u32 last_expected_una;
+ __u32 last_seen_una;
} __attribute__((packed));
#define RDS_IB_GID_LEN 16
@@ -184,6 +251,25 @@ struct rds_info_rdma_connection {
__u32 max_send_sge;
__u32 rdma_mr_max;
__u32 rdma_mr_size;
+ __u8 tos;
+ __u8 sl;
+ __u32 cache_allocs;
+};
+
+struct rds6_info_rdma_connection {
+ struct in6_addr src_addr;
+ struct in6_addr dst_addr;
+ __u8 src_gid[RDS_IB_GID_LEN];
+ __u8 dst_gid[RDS_IB_GID_LEN];
+
+ __u32 max_send_wr;
+ __u32 max_recv_wr;
+ __u32 max_send_sge;
+ __u32 rdma_mr_max;
+ __u32 rdma_mr_size;
+ __u8 tos;
+ __u8 sl;
+ __u32 cache_allocs;
};
/* RDS message Receive Path Latency points */
@@ -315,6 +401,12 @@ struct rds_rdma_notify {
#define RDS_RDMA_DROPPED 3
#define RDS_RDMA_OTHER_ERROR 4
+#define RDS_MAX_ZCOOKIES 8
+struct rds_zcopy_cookies {
+ __u32 num;
+ __u32 cookies[RDS_MAX_ZCOOKIES];
+};
+
/*
* Common set of flags for all RDMA related structs
*/