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linux-sg2042/drivers/infiniband/sw/rxe/rxe_hdr.h

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/*
* Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2015 System Fabric Works, Inc. 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 RXE_HDR_H
#define RXE_HDR_H
/* extracted information about a packet carried in an sk_buff struct fits in
* the skbuff cb array. Must be at most 48 bytes. stored in control block of
* sk_buff for received packets.
*/
struct rxe_pkt_info {
struct rxe_dev *rxe; /* device that owns packet */
struct rxe_qp *qp; /* qp that owns packet */
struct rxe_send_wqe *wqe; /* send wqe */
u8 *hdr; /* points to bth */
u32 mask; /* useful info about pkt */
u32 psn; /* bth psn of packet */
u16 pkey_index; /* partition of pkt */
u16 paylen; /* length of bth - icrc */
u8 port_num; /* port pkt received on */
u8 opcode; /* bth opcode of packet */
u8 offset; /* bth offset from pkt->hdr */
};
/* Macros should be used only for received skb */
static inline struct rxe_pkt_info *SKB_TO_PKT(struct sk_buff *skb)
{
BUILD_BUG_ON(sizeof(struct rxe_pkt_info) > sizeof(skb->cb));
return (void *)skb->cb;
}
static inline struct sk_buff *PKT_TO_SKB(struct rxe_pkt_info *pkt)
{
return container_of((void *)pkt, struct sk_buff, cb);
}
/*
* IBA header types and methods
*
* Some of these are for reference and completeness only since
* rxe does not currently support RD transport
* most of this could be moved into IB core. ib_pack.h has
* part of this but is incomplete
*
* Header specific routines to insert/extract values to/from headers
* the routines that are named __hhh_(set_)fff() take a pointer to a
* hhh header and get(set) the fff field. The routines named
* hhh_(set_)fff take a packet info struct and find the
* header and field based on the opcode in the packet.
* Conversion to/from network byte order from cpu order is also done.
*/
#define RXE_ICRC_SIZE (4)
#define RXE_MAX_HDR_LENGTH (80)
/******************************************************************************
* Base Transport Header
******************************************************************************/
struct rxe_bth {
u8 opcode;
u8 flags;
__be16 pkey;
__be32 qpn;
__be32 apsn;
};
#define BTH_TVER (0)
#define BTH_DEF_PKEY (0xffff)
#define BTH_SE_MASK (0x80)
#define BTH_MIG_MASK (0x40)
#define BTH_PAD_MASK (0x30)
#define BTH_TVER_MASK (0x0f)
#define BTH_FECN_MASK (0x80000000)
#define BTH_BECN_MASK (0x40000000)
#define BTH_RESV6A_MASK (0x3f000000)
#define BTH_QPN_MASK (0x00ffffff)
#define BTH_ACK_MASK (0x80000000)
#define BTH_RESV7_MASK (0x7f000000)
#define BTH_PSN_MASK (0x00ffffff)
static inline u8 __bth_opcode(void *arg)
{
struct rxe_bth *bth = arg;
return bth->opcode;
}
static inline void __bth_set_opcode(void *arg, u8 opcode)
{
struct rxe_bth *bth = arg;
bth->opcode = opcode;
}
static inline u8 __bth_se(void *arg)
{
struct rxe_bth *bth = arg;
return 0 != (BTH_SE_MASK & bth->flags);
}
static inline void __bth_set_se(void *arg, int se)
{
struct rxe_bth *bth = arg;
if (se)
bth->flags |= BTH_SE_MASK;
else
bth->flags &= ~BTH_SE_MASK;
}
static inline u8 __bth_mig(void *arg)
{
struct rxe_bth *bth = arg;
return 0 != (BTH_MIG_MASK & bth->flags);
}
static inline void __bth_set_mig(void *arg, u8 mig)
{
struct rxe_bth *bth = arg;
if (mig)
bth->flags |= BTH_MIG_MASK;
else
bth->flags &= ~BTH_MIG_MASK;
}
static inline u8 __bth_pad(void *arg)
{
struct rxe_bth *bth = arg;
return (BTH_PAD_MASK & bth->flags) >> 4;
}
static inline void __bth_set_pad(void *arg, u8 pad)
{
struct rxe_bth *bth = arg;
bth->flags = (BTH_PAD_MASK & (pad << 4)) |
(~BTH_PAD_MASK & bth->flags);
}
static inline u8 __bth_tver(void *arg)
{
struct rxe_bth *bth = arg;
return BTH_TVER_MASK & bth->flags;
}
static inline void __bth_set_tver(void *arg, u8 tver)
{
struct rxe_bth *bth = arg;
bth->flags = (BTH_TVER_MASK & tver) |
(~BTH_TVER_MASK & bth->flags);
}
static inline u16 __bth_pkey(void *arg)
{
struct rxe_bth *bth = arg;
return be16_to_cpu(bth->pkey);
}
static inline void __bth_set_pkey(void *arg, u16 pkey)
{
struct rxe_bth *bth = arg;
bth->pkey = cpu_to_be16(pkey);
}
static inline u32 __bth_qpn(void *arg)
{
struct rxe_bth *bth = arg;
return BTH_QPN_MASK & be32_to_cpu(bth->qpn);
}
static inline void __bth_set_qpn(void *arg, u32 qpn)
{
struct rxe_bth *bth = arg;
u32 resvqpn = be32_to_cpu(bth->qpn);
bth->qpn = cpu_to_be32((BTH_QPN_MASK & qpn) |
(~BTH_QPN_MASK & resvqpn));
}
static inline int __bth_fecn(void *arg)
{
struct rxe_bth *bth = arg;
return 0 != (cpu_to_be32(BTH_FECN_MASK) & bth->qpn);
}
static inline void __bth_set_fecn(void *arg, int fecn)
{
struct rxe_bth *bth = arg;
if (fecn)
bth->qpn |= cpu_to_be32(BTH_FECN_MASK);
else
bth->qpn &= ~cpu_to_be32(BTH_FECN_MASK);
}
static inline int __bth_becn(void *arg)
{
struct rxe_bth *bth = arg;
return 0 != (cpu_to_be32(BTH_BECN_MASK) & bth->qpn);
}
static inline void __bth_set_becn(void *arg, int becn)
{
struct rxe_bth *bth = arg;
if (becn)
bth->qpn |= cpu_to_be32(BTH_BECN_MASK);
else
bth->qpn &= ~cpu_to_be32(BTH_BECN_MASK);
}
static inline u8 __bth_resv6a(void *arg)
{
struct rxe_bth *bth = arg;
return (BTH_RESV6A_MASK & be32_to_cpu(bth->qpn)) >> 24;
}
static inline void __bth_set_resv6a(void *arg)
{
struct rxe_bth *bth = arg;
bth->qpn = cpu_to_be32(~BTH_RESV6A_MASK);
}
static inline int __bth_ack(void *arg)
{
struct rxe_bth *bth = arg;
return 0 != (cpu_to_be32(BTH_ACK_MASK) & bth->apsn);
}
static inline void __bth_set_ack(void *arg, int ack)
{
struct rxe_bth *bth = arg;
if (ack)
bth->apsn |= cpu_to_be32(BTH_ACK_MASK);
else
bth->apsn &= ~cpu_to_be32(BTH_ACK_MASK);
}
static inline void __bth_set_resv7(void *arg)
{
struct rxe_bth *bth = arg;
bth->apsn &= ~cpu_to_be32(BTH_RESV7_MASK);
}
static inline u32 __bth_psn(void *arg)
{
struct rxe_bth *bth = arg;
return BTH_PSN_MASK & be32_to_cpu(bth->apsn);
}
static inline void __bth_set_psn(void *arg, u32 psn)
{
struct rxe_bth *bth = arg;
u32 apsn = be32_to_cpu(bth->apsn);
bth->apsn = cpu_to_be32((BTH_PSN_MASK & psn) |
(~BTH_PSN_MASK & apsn));
}
static inline u8 bth_opcode(struct rxe_pkt_info *pkt)
{
return __bth_opcode(pkt->hdr + pkt->offset);
}
static inline void bth_set_opcode(struct rxe_pkt_info *pkt, u8 opcode)
{
__bth_set_opcode(pkt->hdr + pkt->offset, opcode);
}
static inline u8 bth_se(struct rxe_pkt_info *pkt)
{
return __bth_se(pkt->hdr + pkt->offset);
}
static inline void bth_set_se(struct rxe_pkt_info *pkt, int se)
{
__bth_set_se(pkt->hdr + pkt->offset, se);
}
static inline u8 bth_mig(struct rxe_pkt_info *pkt)
{
return __bth_mig(pkt->hdr + pkt->offset);
}
static inline void bth_set_mig(struct rxe_pkt_info *pkt, u8 mig)
{
__bth_set_mig(pkt->hdr + pkt->offset, mig);
}
static inline u8 bth_pad(struct rxe_pkt_info *pkt)
{
return __bth_pad(pkt->hdr + pkt->offset);
}
static inline void bth_set_pad(struct rxe_pkt_info *pkt, u8 pad)
{
__bth_set_pad(pkt->hdr + pkt->offset, pad);
}
static inline u8 bth_tver(struct rxe_pkt_info *pkt)
{
return __bth_tver(pkt->hdr + pkt->offset);
}
static inline void bth_set_tver(struct rxe_pkt_info *pkt, u8 tver)
{
__bth_set_tver(pkt->hdr + pkt->offset, tver);
}
static inline u16 bth_pkey(struct rxe_pkt_info *pkt)
{
return __bth_pkey(pkt->hdr + pkt->offset);
}
static inline void bth_set_pkey(struct rxe_pkt_info *pkt, u16 pkey)
{
__bth_set_pkey(pkt->hdr + pkt->offset, pkey);
}
static inline u32 bth_qpn(struct rxe_pkt_info *pkt)
{
return __bth_qpn(pkt->hdr + pkt->offset);
}
static inline void bth_set_qpn(struct rxe_pkt_info *pkt, u32 qpn)
{
__bth_set_qpn(pkt->hdr + pkt->offset, qpn);
}
static inline int bth_fecn(struct rxe_pkt_info *pkt)
{
return __bth_fecn(pkt->hdr + pkt->offset);
}
static inline void bth_set_fecn(struct rxe_pkt_info *pkt, int fecn)
{
__bth_set_fecn(pkt->hdr + pkt->offset, fecn);
}
static inline int bth_becn(struct rxe_pkt_info *pkt)
{
return __bth_becn(pkt->hdr + pkt->offset);
}
static inline void bth_set_becn(struct rxe_pkt_info *pkt, int becn)
{
__bth_set_becn(pkt->hdr + pkt->offset, becn);
}
static inline u8 bth_resv6a(struct rxe_pkt_info *pkt)
{
return __bth_resv6a(pkt->hdr + pkt->offset);
}
static inline void bth_set_resv6a(struct rxe_pkt_info *pkt)
{
__bth_set_resv6a(pkt->hdr + pkt->offset);
}
static inline int bth_ack(struct rxe_pkt_info *pkt)
{
return __bth_ack(pkt->hdr + pkt->offset);
}
static inline void bth_set_ack(struct rxe_pkt_info *pkt, int ack)
{
__bth_set_ack(pkt->hdr + pkt->offset, ack);
}
static inline void bth_set_resv7(struct rxe_pkt_info *pkt)
{
__bth_set_resv7(pkt->hdr + pkt->offset);
}
static inline u32 bth_psn(struct rxe_pkt_info *pkt)
{
return __bth_psn(pkt->hdr + pkt->offset);
}
static inline void bth_set_psn(struct rxe_pkt_info *pkt, u32 psn)
{
__bth_set_psn(pkt->hdr + pkt->offset, psn);
}
static inline void bth_init(struct rxe_pkt_info *pkt, u8 opcode, int se,
int mig, int pad, u16 pkey, u32 qpn, int ack_req,
u32 psn)
{
struct rxe_bth *bth = (struct rxe_bth *)(pkt->hdr + pkt->offset);
bth->opcode = opcode;
bth->flags = (pad << 4) & BTH_PAD_MASK;
if (se)
bth->flags |= BTH_SE_MASK;
if (mig)
bth->flags |= BTH_MIG_MASK;
bth->pkey = cpu_to_be16(pkey);
bth->qpn = cpu_to_be32(qpn & BTH_QPN_MASK);
psn &= BTH_PSN_MASK;
if (ack_req)
psn |= BTH_ACK_MASK;
bth->apsn = cpu_to_be32(psn);
}
/******************************************************************************
* Reliable Datagram Extended Transport Header
******************************************************************************/
struct rxe_rdeth {
__be32 een;
};
#define RDETH_EEN_MASK (0x00ffffff)
static inline u8 __rdeth_een(void *arg)
{
struct rxe_rdeth *rdeth = arg;
return RDETH_EEN_MASK & be32_to_cpu(rdeth->een);
}
static inline void __rdeth_set_een(void *arg, u32 een)
{
struct rxe_rdeth *rdeth = arg;
rdeth->een = cpu_to_be32(RDETH_EEN_MASK & een);
}
static inline u8 rdeth_een(struct rxe_pkt_info *pkt)
{
return __rdeth_een(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_RDETH]);
}
static inline void rdeth_set_een(struct rxe_pkt_info *pkt, u32 een)
{
__rdeth_set_een(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_RDETH], een);
}
/******************************************************************************
* Datagram Extended Transport Header
******************************************************************************/
struct rxe_deth {
__be32 qkey;
__be32 sqp;
};
#define GSI_QKEY (0x80010000)
#define DETH_SQP_MASK (0x00ffffff)
static inline u32 __deth_qkey(void *arg)
{
struct rxe_deth *deth = arg;
return be32_to_cpu(deth->qkey);
}
static inline void __deth_set_qkey(void *arg, u32 qkey)
{
struct rxe_deth *deth = arg;
deth->qkey = cpu_to_be32(qkey);
}
static inline u32 __deth_sqp(void *arg)
{
struct rxe_deth *deth = arg;
return DETH_SQP_MASK & be32_to_cpu(deth->sqp);
}
static inline void __deth_set_sqp(void *arg, u32 sqp)
{
struct rxe_deth *deth = arg;
deth->sqp = cpu_to_be32(DETH_SQP_MASK & sqp);
}
static inline u32 deth_qkey(struct rxe_pkt_info *pkt)
{
return __deth_qkey(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_DETH]);
}
static inline void deth_set_qkey(struct rxe_pkt_info *pkt, u32 qkey)
{
__deth_set_qkey(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_DETH], qkey);
}
static inline u32 deth_sqp(struct rxe_pkt_info *pkt)
{
return __deth_sqp(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_DETH]);
}
static inline void deth_set_sqp(struct rxe_pkt_info *pkt, u32 sqp)
{
__deth_set_sqp(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_DETH], sqp);
}
/******************************************************************************
* RDMA Extended Transport Header
******************************************************************************/
struct rxe_reth {
__be64 va;
__be32 rkey;
__be32 len;
};
static inline u64 __reth_va(void *arg)
{
struct rxe_reth *reth = arg;
return be64_to_cpu(reth->va);
}
static inline void __reth_set_va(void *arg, u64 va)
{
struct rxe_reth *reth = arg;
reth->va = cpu_to_be64(va);
}
static inline u32 __reth_rkey(void *arg)
{
struct rxe_reth *reth = arg;
return be32_to_cpu(reth->rkey);
}
static inline void __reth_set_rkey(void *arg, u32 rkey)
{
struct rxe_reth *reth = arg;
reth->rkey = cpu_to_be32(rkey);
}
static inline u32 __reth_len(void *arg)
{
struct rxe_reth *reth = arg;
return be32_to_cpu(reth->len);
}
static inline void __reth_set_len(void *arg, u32 len)
{
struct rxe_reth *reth = arg;
reth->len = cpu_to_be32(len);
}
static inline u64 reth_va(struct rxe_pkt_info *pkt)
{
return __reth_va(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_RETH]);
}
static inline void reth_set_va(struct rxe_pkt_info *pkt, u64 va)
{
__reth_set_va(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_RETH], va);
}
static inline u32 reth_rkey(struct rxe_pkt_info *pkt)
{
return __reth_rkey(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_RETH]);
}
static inline void reth_set_rkey(struct rxe_pkt_info *pkt, u32 rkey)
{
__reth_set_rkey(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_RETH], rkey);
}
static inline u32 reth_len(struct rxe_pkt_info *pkt)
{
return __reth_len(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_RETH]);
}
static inline void reth_set_len(struct rxe_pkt_info *pkt, u32 len)
{
__reth_set_len(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_RETH], len);
}
/******************************************************************************
* Atomic Extended Transport Header
******************************************************************************/
struct rxe_atmeth {
__be64 va;
__be32 rkey;
__be64 swap_add;
__be64 comp;
} __attribute__((__packed__));
static inline u64 __atmeth_va(void *arg)
{
struct rxe_atmeth *atmeth = arg;
return be64_to_cpu(atmeth->va);
}
static inline void __atmeth_set_va(void *arg, u64 va)
{
struct rxe_atmeth *atmeth = arg;
atmeth->va = cpu_to_be64(va);
}
static inline u32 __atmeth_rkey(void *arg)
{
struct rxe_atmeth *atmeth = arg;
return be32_to_cpu(atmeth->rkey);
}
static inline void __atmeth_set_rkey(void *arg, u32 rkey)
{
struct rxe_atmeth *atmeth = arg;
atmeth->rkey = cpu_to_be32(rkey);
}
static inline u64 __atmeth_swap_add(void *arg)
{
struct rxe_atmeth *atmeth = arg;
return be64_to_cpu(atmeth->swap_add);
}
static inline void __atmeth_set_swap_add(void *arg, u64 swap_add)
{
struct rxe_atmeth *atmeth = arg;
atmeth->swap_add = cpu_to_be64(swap_add);
}
static inline u64 __atmeth_comp(void *arg)
{
struct rxe_atmeth *atmeth = arg;
return be64_to_cpu(atmeth->comp);
}
static inline void __atmeth_set_comp(void *arg, u64 comp)
{
struct rxe_atmeth *atmeth = arg;
atmeth->comp = cpu_to_be64(comp);
}
static inline u64 atmeth_va(struct rxe_pkt_info *pkt)
{
return __atmeth_va(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_ATMETH]);
}
static inline void atmeth_set_va(struct rxe_pkt_info *pkt, u64 va)
{
__atmeth_set_va(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_ATMETH], va);
}
static inline u32 atmeth_rkey(struct rxe_pkt_info *pkt)
{
return __atmeth_rkey(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_ATMETH]);
}
static inline void atmeth_set_rkey(struct rxe_pkt_info *pkt, u32 rkey)
{
__atmeth_set_rkey(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_ATMETH], rkey);
}
static inline u64 atmeth_swap_add(struct rxe_pkt_info *pkt)
{
return __atmeth_swap_add(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_ATMETH]);
}
static inline void atmeth_set_swap_add(struct rxe_pkt_info *pkt, u64 swap_add)
{
__atmeth_set_swap_add(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_ATMETH], swap_add);
}
static inline u64 atmeth_comp(struct rxe_pkt_info *pkt)
{
return __atmeth_comp(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_ATMETH]);
}
static inline void atmeth_set_comp(struct rxe_pkt_info *pkt, u64 comp)
{
__atmeth_set_comp(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_ATMETH], comp);
}
/******************************************************************************
* Ack Extended Transport Header
******************************************************************************/
struct rxe_aeth {
__be32 smsn;
};
#define AETH_SYN_MASK (0xff000000)
#define AETH_MSN_MASK (0x00ffffff)
enum aeth_syndrome {
AETH_TYPE_MASK = 0xe0,
AETH_ACK = 0x00,
AETH_RNR_NAK = 0x20,
AETH_RSVD = 0x40,
AETH_NAK = 0x60,
AETH_ACK_UNLIMITED = 0x1f,
AETH_NAK_PSN_SEQ_ERROR = 0x60,
AETH_NAK_INVALID_REQ = 0x61,
AETH_NAK_REM_ACC_ERR = 0x62,
AETH_NAK_REM_OP_ERR = 0x63,
AETH_NAK_INV_RD_REQ = 0x64,
};
static inline u8 __aeth_syn(void *arg)
{
struct rxe_aeth *aeth = arg;
return (AETH_SYN_MASK & be32_to_cpu(aeth->smsn)) >> 24;
}
static inline void __aeth_set_syn(void *arg, u8 syn)
{
struct rxe_aeth *aeth = arg;
u32 smsn = be32_to_cpu(aeth->smsn);
aeth->smsn = cpu_to_be32((AETH_SYN_MASK & (syn << 24)) |
(~AETH_SYN_MASK & smsn));
}
static inline u32 __aeth_msn(void *arg)
{
struct rxe_aeth *aeth = arg;
return AETH_MSN_MASK & be32_to_cpu(aeth->smsn);
}
static inline void __aeth_set_msn(void *arg, u32 msn)
{
struct rxe_aeth *aeth = arg;
u32 smsn = be32_to_cpu(aeth->smsn);
aeth->smsn = cpu_to_be32((AETH_MSN_MASK & msn) |
(~AETH_MSN_MASK & smsn));
}
static inline u8 aeth_syn(struct rxe_pkt_info *pkt)
{
return __aeth_syn(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_AETH]);
}
static inline void aeth_set_syn(struct rxe_pkt_info *pkt, u8 syn)
{
__aeth_set_syn(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_AETH], syn);
}
static inline u32 aeth_msn(struct rxe_pkt_info *pkt)
{
return __aeth_msn(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_AETH]);
}
static inline void aeth_set_msn(struct rxe_pkt_info *pkt, u32 msn)
{
__aeth_set_msn(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_AETH], msn);
}
/******************************************************************************
* Atomic Ack Extended Transport Header
******************************************************************************/
struct rxe_atmack {
__be64 orig;
};
static inline u64 __atmack_orig(void *arg)
{
struct rxe_atmack *atmack = arg;
return be64_to_cpu(atmack->orig);
}
static inline void __atmack_set_orig(void *arg, u64 orig)
{
struct rxe_atmack *atmack = arg;
atmack->orig = cpu_to_be64(orig);
}
static inline u64 atmack_orig(struct rxe_pkt_info *pkt)
{
return __atmack_orig(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_ATMACK]);
}
static inline void atmack_set_orig(struct rxe_pkt_info *pkt, u64 orig)
{
__atmack_set_orig(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_ATMACK], orig);
}
/******************************************************************************
* Immediate Extended Transport Header
******************************************************************************/
struct rxe_immdt {
__be32 imm;
};
static inline __be32 __immdt_imm(void *arg)
{
struct rxe_immdt *immdt = arg;
return immdt->imm;
}
static inline void __immdt_set_imm(void *arg, __be32 imm)
{
struct rxe_immdt *immdt = arg;
immdt->imm = imm;
}
static inline __be32 immdt_imm(struct rxe_pkt_info *pkt)
{
return __immdt_imm(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_IMMDT]);
}
static inline void immdt_set_imm(struct rxe_pkt_info *pkt, __be32 imm)
{
__immdt_set_imm(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_IMMDT], imm);
}
/******************************************************************************
* Invalidate Extended Transport Header
******************************************************************************/
struct rxe_ieth {
__be32 rkey;
};
static inline u32 __ieth_rkey(void *arg)
{
struct rxe_ieth *ieth = arg;
return be32_to_cpu(ieth->rkey);
}
static inline void __ieth_set_rkey(void *arg, u32 rkey)
{
struct rxe_ieth *ieth = arg;
ieth->rkey = cpu_to_be32(rkey);
}
static inline u32 ieth_rkey(struct rxe_pkt_info *pkt)
{
return __ieth_rkey(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_IETH]);
}
static inline void ieth_set_rkey(struct rxe_pkt_info *pkt, u32 rkey)
{
__ieth_set_rkey(pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_IETH], rkey);
}
enum rxe_hdr_length {
RXE_BTH_BYTES = sizeof(struct rxe_bth),
RXE_DETH_BYTES = sizeof(struct rxe_deth),
RXE_IMMDT_BYTES = sizeof(struct rxe_immdt),
RXE_RETH_BYTES = sizeof(struct rxe_reth),
RXE_AETH_BYTES = sizeof(struct rxe_aeth),
RXE_ATMACK_BYTES = sizeof(struct rxe_atmack),
RXE_ATMETH_BYTES = sizeof(struct rxe_atmeth),
RXE_IETH_BYTES = sizeof(struct rxe_ieth),
RXE_RDETH_BYTES = sizeof(struct rxe_rdeth),
};
static inline size_t header_size(struct rxe_pkt_info *pkt)
{
return pkt->offset + rxe_opcode[pkt->opcode].length;
}
static inline void *payload_addr(struct rxe_pkt_info *pkt)
{
return pkt->hdr + pkt->offset
+ rxe_opcode[pkt->opcode].offset[RXE_PAYLOAD];
}
static inline size_t payload_size(struct rxe_pkt_info *pkt)
{
return pkt->paylen - rxe_opcode[pkt->opcode].offset[RXE_PAYLOAD]
- bth_pad(pkt) - RXE_ICRC_SIZE;
}
#endif /* RXE_HDR_H */
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