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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b842a27cac3sm954886566b.20.2026.01.08.17.18.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jan 2026 17:18:05 -0800 (PST) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger Subject: [PATCH v2 4/9] net/pcap: support Tx offloads Date: Thu, 8 Jan 2026 17:16:21 -0800 Message-ID: <20260109011755.362857-5-stephen@networkplumber.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260109011755.362857-1-stephen@networkplumber.org> References: <20260106182823.192350-1-stephen@networkplumber.org> <20260109011755.362857-1-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 The driver already handles multi-segment mbufs but did not report that in offload flags. Driver can easily insert vlan tag making testing easier. Signed-off-by: Stephen Hemminger --- drivers/net/pcap/pcap_ethdev.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/pcap/pcap_ethdev.c b/drivers/net/pcap/pcap_ethdev.c index 5db44ab1ea..a27a132002 100644 --- a/drivers/net/pcap/pcap_ethdev.c +++ b/drivers/net/pcap/pcap_ethdev.c @@ -403,6 +403,9 @@ eth_pcap_tx_dumper(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) if (unlikely(len > mtu)) continue; + if ((mbuf->ol_flags & RTE_MBUF_F_TX_VLAN) && rte_vlan_insert(&mbuf)) + continue; + calculate_timestamp(&header.ts); header.len = len; header.caplen = len; @@ -485,6 +488,9 @@ eth_pcap_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) if (unlikely(len > mtu)) continue; + if ((mbuf->ol_flags & RTE_MBUF_F_TX_VLAN) && rte_vlan_insert(&mbuf)) + continue; + /* rte_pktmbuf_read() returns a pointer to the data directly * in the mbuf (when the mbuf is contiguous) or, otherwise, * a pointer to temp_data after copying into it. @@ -741,6 +747,8 @@ eth_dev_info(struct rte_eth_dev *dev, dev_info->min_rx_bufsize = 0; dev_info->min_mtu = RTE_ETHER_MIN_LEN - RTE_ETHER_HDR_LEN - RTE_ETHER_CRC_LEN; dev_info->max_mtu = RTE_ETH_PCAP_SNAPLEN; + dev_info->tx_offload_capa = RTE_ETH_TX_OFFLOAD_MULTI_SEGS | + RTE_ETH_TX_OFFLOAD_VLAN_INSERT; return 0; } -- 2.51.0