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SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: marvell.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 1WF/+hp43PvFSWnewox/GOLN+BLluvuiYHqewjLeqYG8nSQDM4reWl7I8qpHKYpHxsioZT2nB9sy6r6jiGGDHCGl33eeqKUs4S7puKh9/tqt4EnjqAzP7e8PeCnZWaKFpdNTUzVh5l9ogrI2JzWNALqiCLAQPcRoRlo0QxoDIrqrmTkWjGOW2c3GN8eRtI3cG1Q+UZdYEdan7p2TiCgut/P6Mld8Brk78Rn2OrTOVpp6jL2V07cj51xN96RLnoAG37vNNqNlkASCU92pmmyAvpFHwyxkshlmJX22VnT8XDn6zj9sC/FrsEra0cblbX4jiL1rdm/34cdWxJeQMdOPMLrZSFPfIR5Zv26oPN1GN0FEcicrX9qoDssda+kVKvX/T64FBMVqYx+5BXDqXq6z3GQZM1BJ9+/Z3/Se8MITqhY= MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 27592073-2a16-4c96-58c6-08d6b7510cd0 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Apr 2019 09:53:25.9602 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR1801MB1926 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-02_04:, , signatures=0 Subject: [dpdk-dev] [PATCH v6 1/4] app/testpmd: move eth header generation outside the loop X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Pavan Nikhilesh Testpmd txonly copies the src/dst mac address of the port being processed to ethernet header structure on the stack for every packet. Move it outside the loop and reuse it. Signed-off-by: Pavan Nikhilesh Reviewed-by: Ferruh Yigit --- v6 Changes - Rebase onto ToT. - Split the changes further v5 Changes - Remove unnecessary change to struct rte_port *txp (movement). (Bernard) v4 Changes: - Fix packet len calculation. v3 Changes: - Split the patches for easier review. (Thomas) - Remove unnecessary assignments to 0. (Bernard) v2 Changes: - Use bulk ops for fetching segments. (Andrew Rybchenko) - Fallback to rte_mbuf_raw_alloc if bulk get fails. (Andrew Rybchenko) - Fix mbufs not being freed when there is no more mbufs available for segments. (Andrew Rybchenko) app/test-pmd/txonly.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) -- 2.21.0 diff --git a/app/test-pmd/txonly.c b/app/test-pmd/txonly.c index def52a048..0d411dbf4 100644 --- a/app/test-pmd/txonly.c +++ b/app/test-pmd/txonly.c @@ -190,6 +190,14 @@ pkt_burst_transmit(struct fwd_stream *fs) ol_flags |= PKT_TX_QINQ_PKT; if (tx_offloads & DEV_TX_OFFLOAD_MACSEC_INSERT) ol_flags |= PKT_TX_MACSEC; + + /* + * Initialize Ethernet header. + */ + ether_addr_copy(&peer_eth_addrs[fs->peer_addr], ð_hdr.d_addr); + ether_addr_copy(&ports[fs->tx_port].eth_addr, ð_hdr.s_addr); + eth_hdr.ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4); + for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) { pkt = rte_mbuf_raw_alloc(mbp); if (pkt == NULL) { @@ -226,13 +234,6 @@ pkt_burst_transmit(struct fwd_stream *fs) } pkt_seg->next = NULL; /* Last segment of packet. */ - /* - * Initialize Ethernet header. - */ - ether_addr_copy(&peer_eth_addrs[fs->peer_addr],ð_hdr.d_addr); - ether_addr_copy(&ports[fs->tx_port].eth_addr, ð_hdr.s_addr); - eth_hdr.ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4); - /* * Copy headers in first packet segment(s). */