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[2603:8081:140c:1a00:80ca:c9ae:640f:f9a]) by smtp.gmail.com with ESMTPSA id c2sm696805ooo.28.2021.07.29.15.50.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Jul 2021 15:50:37 -0700 (PDT) From: Bob Pearson To: jgg@nvidia.com, zyjzyj2000@gmail.com, linux-rdma@vger.kernel.org Cc: Bob Pearson Subject: [PATCH for-next 05/13] RDMA/rxe: Add XRC ETH to rxe_hdr.h Date: Thu, 29 Jul 2021 17:49:08 -0500 Message-Id: <20210729224915.38986-6-rpearsonhpe@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210729224915.38986-1-rpearsonhpe@gmail.com> References: <20210729224915.38986-1-rpearsonhpe@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Extend rxe_hdr.h to support XRC ETH. Signed-off-by: Bob Pearson --- drivers/infiniband/sw/rxe/rxe_hdr.h | 36 +++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/drivers/infiniband/sw/rxe/rxe_hdr.h b/drivers/infiniband/sw/rxe/rxe_hdr.h index d9d15c672f86..499807b11405 100644 --- a/drivers/infiniband/sw/rxe/rxe_hdr.h +++ b/drivers/infiniband/sw/rxe/rxe_hdr.h @@ -907,11 +907,47 @@ static inline void ieth_set_rkey(struct rxe_pkt_info *pkt, u32 rkey) rxe_opcode[pkt->opcode].offset[RXE_IETH], rkey); } +/****************************************************************************** + * XRC Extended Transport Header + ******************************************************************************/ +struct rxe_xrceth { + __be32 rxrcsrq; +}; + +#define XRCETH_XRCSRQ_MASK (0x00ffffff) + +static inline u32 __xrceth_xrcsrq(void *arg) +{ + struct rxe_xrceth *xrceth = arg; + + return XRCETH_XRCSRQ_MASK & be32_to_cpu(xrceth->rxrcsrq); +} + +static inline void __xrceth_set_xrcsrq(void *arg, u32 xrcsrq) +{ + struct rxe_xrceth *xrceth = arg; + + xrceth->rxrcsrq = cpu_to_be32(XRCETH_XRCSRQ_MASK & xrcsrq); +} + +static inline u32 xrceth_xrcsrq(struct rxe_pkt_info *pkt) +{ + return __xrceth_xrcsrq(pkt->hdr + + rxe_opcode[pkt->opcode].offset[RXE_XRCETH]); +} + +static inline void xrceth_set_xrcsrq(struct rxe_pkt_info *pkt, u32 xrcsrq) +{ + __xrceth_set_xrcsrq(pkt->hdr + + rxe_opcode[pkt->opcode].offset[RXE_XRCETH], xrcsrq); +} + 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_XRCETH_BYTES = sizeof(struct rxe_xrceth), RXE_AETH_BYTES = sizeof(struct rxe_aeth), RXE_ATMACK_BYTES = sizeof(struct rxe_atmack), RXE_ATMETH_BYTES = sizeof(struct rxe_atmeth), -- 2.30.2