From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5FF5C61DC2 for ; Wed, 26 Aug 2026 08:57:56 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id B733040A81; Wed, 26 Aug 2026 10:57:38 +0200 (CEST) Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) by mails.dpdk.org (Postfix) with ESMTP id 10C0B40A81 for ; Wed, 26 Aug 2026 10:57:36 +0200 (CEST) Received: from localhost.localdomain (unknown [118.112.177.181]) by APP-03 (Coremail) with SMTP id rQCowAB3fjx9qo5qsOZMBg--.39426S2; Wed, 26 Aug 2026 16:57:33 +0800 (CST) From: liujie5@linkdatatechnology.com To: stephen@networkplumber.org Cc: dev@dpdk.org Subject: [PATCH v3 40/51] net/sxe2: restore Rx queue buffer split fill support Date: Wed, 26 Aug 2026 16:57:32 +0800 Message-ID: <20260826085732.992380-1-liujie5@linkdatatechnology.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260818021518.2922515-14-liujie5@linkdatatechnology.com> References: <20260818021518.2922515-14-liujie5@linkdatatechnology.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: rQCowAB3fjx9qo5qsOZMBg--.39426S2 X-Coremail-Antispam: 1UD129KBjvJXoWxJF1DAw13Zw4kXFWrKF1rJFb_yoWrur4fpF 13ur13Kas7JrWxK3W5JanYq3s0krW8Wry2k393trn8KF1ktF90qF4qyr1xtr4kCa1UAry0 qasxWFs0kw13AwUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkSb7Iv0xC_Zr1lb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4 vEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40E FcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWrXVW3AwAv7VC2z280aVAFwI0_Gr 0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4kE6xkIj40Ew7xC0wCF 04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r 18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jrv_JF1lIxkGc2Ij64vI r41lIxAIcVC0I7IYx2IY67AKxVW7JVWDJwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr 1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY 6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxU3NB_UUUUU X-Originating-IP: [118.112.177.181] X-CM-SenderInfo: xolxyxrhv6zxpqngt3pdwhux5qro0w31of0z/ 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 From: Jie Liu The V4 branch dropped sxe2_rxq_buf_split_fill() and the buffer split handling in sxe2_rxq_ctxt_cfg_fill(), so the Rx buffer split offload (RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) is advertised in device info but the per-queue context never configures split_en/split_type_mask/ hdr_len, and buffer split packets are not handled correctly. Restore the sxe2_rxq_buf_split_fill() helper and the buffer split branch in sxe2_rxq_ctxt_cfg_fill(), matching the V3 implementation. Cc: stable@dpdk.org Cc: stephen@networkplumber.org Signed-off-by: Jie Liu --- drivers/net/sxe2/sxe2_cmd_chnl.c | 106 +++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) diff --git a/drivers/net/sxe2/sxe2_cmd_chnl.c b/drivers/net/sxe2/sxe2_cmd_chnl.c index b17d80d917..5102890107 100644 --- a/drivers/net/sxe2/sxe2_cmd_chnl.c +++ b/drivers/net/sxe2/sxe2_cmd_chnl.c @@ -194,6 +194,102 @@ int32_t sxe2_drv_vsi_del(struct sxe2_adapter *adapter, struct sxe2_vsi *vsi) #define SXE2_RXQ_CTXT_CFG_BUF_LEN_ALIGN (1 << 7) #define SXE2_RX_HDR_SIZE 256 +static int32_t sxe2_rxq_buf_split_fill(struct sxe2_rx_queue *rxq, + struct sxe2_drv_rxq_ctxt *ctxt) +{ + int32_t ret = 0; + uint32_t proto_hdr; + + if (rxq->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) { + proto_hdr = rxq->rx_seg[0].proto_hdr; + if (proto_hdr == RTE_PTYPE_UNKNOWN) { + PMD_LOG_ERR(RX, "Buffer split protocol must be configured"); + ret = -1; + goto l_end; + } + + switch (proto_hdr & RTE_PTYPE_L4_MASK) { + case RTE_PTYPE_L4_TCP: + ctxt->split_type_mask = SXE2_PTYPE_L4_TCP; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + case RTE_PTYPE_L4_UDP: + ctxt->split_type_mask = SXE2_PTYPE_L4_UDP; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + case RTE_PTYPE_L4_SCTP: + ctxt->split_type_mask = SXE2_PTYPE_L4_SCTP; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + } + + switch (proto_hdr & RTE_PTYPE_L3_MASK) { + case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN: + ctxt->split_type_mask = SXE2_PTYPE_L3_IPV4; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN: + ctxt->split_type_mask = SXE2_PTYPE_L3_IPV6; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + } + + switch (proto_hdr & RTE_PTYPE_L2_MASK) { + case RTE_PTYPE_L2_ETHER: + ctxt->split_type_mask = SXE2_PTYPE_L2_ETHER; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + } + + switch (proto_hdr & RTE_PTYPE_INNER_L4_MASK) { + case RTE_PTYPE_INNER_L4_TCP: + ctxt->split_type_mask = SXE2_PTYPE_INNER_L4_TCP; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + case RTE_PTYPE_INNER_L4_UDP: + ctxt->split_type_mask = SXE2_PTYPE_INNER_L4_UDP; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + case RTE_PTYPE_INNER_L4_SCTP: + ctxt->split_type_mask = SXE2_PTYPE_INNER_L4_SCTP; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + } + + switch (proto_hdr & RTE_PTYPE_INNER_L3_MASK) { + case RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN: + ctxt->split_type_mask = SXE2_PTYPE_INNER_L3_IPV4; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + case RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN: + ctxt->split_type_mask = SXE2_PTYPE_INNER_L3_IPV6; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + } + + switch (proto_hdr & RTE_PTYPE_INNER_L2_MASK) { + case RTE_PTYPE_INNER_L2_ETHER: + ctxt->split_type_mask = SXE2_PTYPE_INNER_L2_ETHER; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + } + + switch (proto_hdr & RTE_PTYPE_TUNNEL_MASK) { + case RTE_PTYPE_TUNNEL_GRENAT: + ctxt->split_type_mask = SXE2_PTYPE_TUNNEL_GRENAT; + ctxt->hdr_len = SXE2_RX_HDR_SIZE; + goto l_end; + } + PMD_LOG_ERR(RX, "Buffer split protocol is not supported"); + ret = -1; + } else { + ctxt->hdr_len = 0; + ctxt->split_type_mask = 0; + } +l_end: + return ret; +} + static int32_t sxe2_rxq_ctxt_cfg_fill(struct sxe2_rx_queue *rxq, struct sxe2_drv_rxq_cfg_req *req, uint16_t rxq_cnt) { @@ -227,7 +323,17 @@ static int32_t sxe2_rxq_ctxt_cfg_fill(struct sxe2_rx_queue *rxq, else ctxt->keep_crc_en = 0; + if (rxq->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) { + ret = sxe2_rxq_buf_split_fill(rxq, ctxt); + if (ret) + goto l_end; + ctxt->split_en = 1; + } else { + ctxt->split_en = 0; + } + ctxt->desc_size = sizeof(union sxe2_rx_desc); +l_end: return ret; } -- 2.52.0