diff options
Diffstat (limited to 'include/rdma/ib_pack.h')
| -rw-r--r-- | include/rdma/ib_pack.h | 107 |
1 files changed, 63 insertions, 44 deletions
diff --git a/include/rdma/ib_pack.h b/include/rdma/ib_pack.h index b37fe3b10a9d..8266fab826a7 100644 --- a/include/rdma/ib_pack.h +++ b/include/rdma/ib_pack.h @@ -1,47 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* * Copyright (c) 2004 Topspin Corporation. 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 - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. */ #ifndef IB_PACK_H #define IB_PACK_H #include <rdma/ib_verbs.h> +#include <uapi/linux/if_ether.h> enum { - IB_LRH_BYTES = 8, - IB_ETH_BYTES = 14, - IB_VLAN_BYTES = 4, - IB_GRH_BYTES = 40, - IB_BTH_BYTES = 12, - IB_DETH_BYTES = 8 + IB_LRH_BYTES = 8, + IB_ETH_BYTES = 14, + IB_VLAN_BYTES = 4, + IB_GRH_BYTES = 40, + IB_IP4_BYTES = 20, + IB_UDP_BYTES = 8, + IB_BTH_BYTES = 12, + IB_DETH_BYTES = 8, + IB_EXT_ATOMICETH_BYTES = 28, + IB_EXT_XRC_BYTES = 4, + IB_ICRC_BYTES = 4 }; struct ib_field { @@ -75,6 +54,10 @@ enum { IB_OPCODE_UC = 0x20, IB_OPCODE_RD = 0x40, IB_OPCODE_UD = 0x60, + /* per IBTA 1.3 vol 1 Table 38, A10.3.2 */ + IB_OPCODE_CNP = 0x80, + /* Manufacturer specific */ + IB_OPCODE_MSP = 0xe0, /* operations -- just used to define real constants */ IB_OPCODE_SEND_FIRST = 0x00, @@ -98,6 +81,11 @@ enum { IB_OPCODE_ATOMIC_ACKNOWLEDGE = 0x12, IB_OPCODE_COMPARE_SWAP = 0x13, IB_OPCODE_FETCH_ADD = 0x14, + /* opcode 0x15 is reserved */ + IB_OPCODE_SEND_LAST_WITH_INVALIDATE = 0x16, + IB_OPCODE_SEND_ONLY_WITH_INVALIDATE = 0x17, + IB_OPCODE_FLUSH = 0x1C, + IB_OPCODE_ATOMIC_WRITE = 0x1D, /* real constants follow -- see comment about above IB_OPCODE() macro for more details */ @@ -124,6 +112,10 @@ enum { IB_OPCODE(RC, ATOMIC_ACKNOWLEDGE), IB_OPCODE(RC, COMPARE_SWAP), IB_OPCODE(RC, FETCH_ADD), + IB_OPCODE(RC, SEND_LAST_WITH_INVALIDATE), + IB_OPCODE(RC, SEND_ONLY_WITH_INVALIDATE), + IB_OPCODE(RC, FLUSH), + IB_OPCODE(RC, ATOMIC_WRITE), /* UC */ IB_OPCODE(UC, SEND_FIRST), @@ -161,6 +153,7 @@ enum { IB_OPCODE(RD, ATOMIC_ACKNOWLEDGE), IB_OPCODE(RD, COMPARE_SWAP), IB_OPCODE(RD, FETCH_ADD), + IB_OPCODE(RD, FLUSH), /* UD */ IB_OPCODE(UD, SEND_ONLY), @@ -220,6 +213,27 @@ struct ib_unpacked_eth { __be16 type; }; +struct ib_unpacked_ip4 { + u8 ver; + u8 hdr_len; + u8 tos; + __be16 tot_len; + __be16 id; + __be16 frag_off; + u8 ttl; + u8 protocol; + __sum16 check; + __be32 saddr; + __be32 daddr; +}; + +struct ib_unpacked_udp { + __be16 sport; + __be16 dport; + __be16 length; + __be16 csum; +}; + struct ib_unpacked_vlan { __be16 tag; __be16 type; @@ -234,6 +248,10 @@ struct ib_ud_header { struct ib_unpacked_vlan vlan; int grh_present; struct ib_unpacked_grh grh; + int ipv4_present; + struct ib_unpacked_ip4 ip4; + int udp_present; + struct ib_unpacked_udp udp; struct ib_unpacked_bth bth; struct ib_unpacked_deth deth; int immediate_present; @@ -250,18 +268,19 @@ void ib_unpack(const struct ib_field *desc, void *buf, void *structure); -void ib_ud_header_init(int payload_bytes, - int lrh_present, - int eth_present, - int vlan_present, - int grh_present, - int immediate_present, - struct ib_ud_header *header); +__sum16 ib_ud_ip4_csum(struct ib_ud_header *header); + +int ib_ud_header_init(int payload_bytes, + int lrh_present, + int eth_present, + int vlan_present, + int grh_present, + int ip_version, + int udp_present, + int immediate_present, + struct ib_ud_header *header); int ib_ud_header_pack(struct ib_ud_header *header, void *buf); -int ib_ud_header_unpack(void *buf, - struct ib_ud_header *header); - #endif /* IB_PACK_H */ |