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[204.195.120.218]) by smtp.gmail.com with ESMTPSA id t15-20020a170902b20f00b001b83db0bcf2sm3640493plr.141.2023.07.07.13.39.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Jul 2023 13:39:20 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Kirill Rybalchenko Subject: [PATCH v4 10/11] examples/ptpclient: use rte_pktmbuf_mtod_offset Date: Fri, 7 Jul 2023 13:39:07 -0700 Message-Id: <20230707203908.64371-11-stephen@networkplumber.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230707203908.64371-1-stephen@networkplumber.org> References: <20230505174813.133894-1-stephen@networkplumber.org> <20230707203908.64371-1-stephen@networkplumber.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Replace explicit packet offset computations with rte_pktmbuf_mtod_offset(). Signed-off-by: Stephen Hemminger --- examples/ptpclient/ptpclient.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/examples/ptpclient/ptpclient.c b/examples/ptpclient/ptpclient.c index cdf2da64dfee..2535d848a1e9 100644 --- a/examples/ptpclient/ptpclient.c +++ b/examples/ptpclient/ptpclient.c @@ -354,8 +354,8 @@ parse_sync(struct ptpv2_data_slave_ordinary *ptp_data, uint16_t rx_tstamp_idx) { struct ptp_header *ptp_hdr; - ptp_hdr = (struct ptp_header *)(rte_pktmbuf_mtod(ptp_data->m, char *) - + sizeof(struct rte_ether_hdr)); + ptp_hdr = rte_pktmbuf_mtod_offset(ptp_data->m, struct ptp_header *, + sizeof(struct rte_ether_hdr)); ptp_data->seqID_SYNC = rte_be_to_cpu_16(ptp_hdr->seq_id); if (ptp_data->ptpset == 0) { @@ -397,15 +397,15 @@ parse_fup(struct ptpv2_data_slave_ordinary *ptp_data) int ret; eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); - ptp_hdr = (struct ptp_header *)(rte_pktmbuf_mtod(m, char *) - + sizeof(struct rte_ether_hdr)); + ptp_hdr = rte_pktmbuf_mtod_offset(m, struct ptp_header *, + sizeof(struct rte_ether_hdr)); if (memcmp(&ptp_data->master_clock_id, &ptp_hdr->source_port_id.clock_id, sizeof(struct clock_id)) != 0) return; ptp_data->seqID_FOLLOWUP = rte_be_to_cpu_16(ptp_hdr->seq_id); - ptp_msg = (struct ptp_message *) (rte_pktmbuf_mtod(m, char *) + + ptp_msg = rte_pktmbuf_mtod_offset(m, struct ptp_message *, sizeof(struct rte_ether_hdr)); origin_tstamp = &ptp_msg->follow_up.precise_origin_tstamp; @@ -537,8 +537,8 @@ parse_drsp(struct ptpv2_data_slave_ordinary *ptp_data) struct tstamp *rx_tstamp; uint16_t seq_id; - ptp_msg = (struct ptp_message *) (rte_pktmbuf_mtod(m, char *) + - sizeof(struct rte_ether_hdr)); + ptp_msg = rte_pktmbuf_mtod_offset(m, struct ptp_message *, + sizeof(struct rte_ether_hdr)); seq_id = rte_be_to_cpu_16(ptp_msg->delay_resp.hdr.seq_id); if (memcmp(&ptp_data->client_clock_id, &ptp_msg->delay_resp.req_port_id.clock_id, @@ -585,8 +585,8 @@ parse_ptp_frames(uint16_t portid, struct rte_mbuf *m) { if (eth_type == PTP_PROTOCOL) { ptp_data.m = m; ptp_data.portid = portid; - ptp_hdr = (struct ptp_header *)(rte_pktmbuf_mtod(m, char *) - + sizeof(struct rte_ether_hdr)); + ptp_hdr = rte_pktmbuf_mtod_offset(m, struct ptp_header *, + sizeof(struct rte_ether_hdr)); switch (ptp_hdr->msg_type) { case SYNC: -- 2.39.2