From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 5F989A6A for ; Fri, 25 Sep 2015 10:09:21 +0200 (CEST) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP; 25 Sep 2015 01:09:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,585,1437462000"; d="scan'208";a="568195799" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by FMSMGA003.fm.intel.com with ESMTP; 25 Sep 2015 01:09:18 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t8P89F9f026699; Fri, 25 Sep 2015 16:09:15 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t8P89DQB006682; Fri, 25 Sep 2015 16:09:15 +0800 Received: (from xiaowan1@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t8P89Dt7006678; Fri, 25 Sep 2015 16:09:13 +0800 From: Wang Xiao W To: dev@dpdk.org Date: Fri, 25 Sep 2015 16:09:10 +0800 Message-Id: <1443168550-6648-1-git-send-email-xiao.w.wang@intel.com> X-Mailer: git-send-email 1.7.4.1 Subject: [dpdk-dev] [PATCH] fm10k: enable TSO support X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Sep 2015 08:09:22 -0000 This patch enables fm10k TSO feature for both non-tunneling packet and tunneling packet. Signed-off-by: Wang Xiao W --- drivers/net/fm10k/base/fm10k_osdep.h | 5 +++++ drivers/net/fm10k/fm10k_ethdev.c | 3 ++- drivers/net/fm10k/fm10k_rxtx.c | 21 ++++++++++++++++++--- 3 files changed, 25 insertions(+), 4 deletions(-) diff --git a/drivers/net/fm10k/base/fm10k_osdep.h b/drivers/net/fm10k/base/fm10k_osdep.h index 53c433c..a1bfa09 100644 --- a/drivers/net/fm10k/base/fm10k_osdep.h +++ b/drivers/net/fm10k/base/fm10k_osdep.h @@ -145,4 +145,9 @@ typedef int bool; #define fm10k_read_reg FM10K_READ_REG #endif +#define FM10K_TSO_MINMSS \ + (FM10K_DMA_CTRL_MINMSS_64 >> FM10K_DMA_CTRL_MINMSS_SHIFT) +#define FM10K_TSO_MIN_HEADERLEN 54 +#define FM10K_TSO_MAX_HEADERLEN 192 + #endif /* _FM10K_OSDEP_H_ */ diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c index a69c990..b104fc2 100644 --- a/drivers/net/fm10k/fm10k_ethdev.c +++ b/drivers/net/fm10k/fm10k_ethdev.c @@ -937,7 +937,8 @@ fm10k_dev_infos_get(struct rte_eth_dev *dev, DEV_TX_OFFLOAD_VLAN_INSERT | DEV_TX_OFFLOAD_IPV4_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM | - DEV_TX_OFFLOAD_TCP_CKSUM; + DEV_TX_OFFLOAD_TCP_CKSUM | + DEV_TX_OFFLOAD_TCP_TSO; dev_info->hash_key_size = FM10K_RSSRK_SIZE * sizeof(uint32_t); dev_info->reta_size = FM10K_MAX_RSS_INDICES; diff --git a/drivers/net/fm10k/fm10k_rxtx.c b/drivers/net/fm10k/fm10k_rxtx.c index b5fa2e6..aed3e92 100644 --- a/drivers/net/fm10k/fm10k_rxtx.c +++ b/drivers/net/fm10k/fm10k_rxtx.c @@ -410,7 +410,7 @@ static inline void tx_free_descriptors(struct fm10k_tx_queue *q) static inline void tx_xmit_pkt(struct fm10k_tx_queue *q, struct rte_mbuf *mb) { uint16_t last_id; - uint8_t flags; + uint8_t flags, hdrlen; /* always set the LAST flag on the last descriptor used to * transmit the packet */ @@ -435,7 +435,7 @@ static inline void tx_xmit_pkt(struct fm10k_tx_queue *q, struct rte_mbuf *mb) /* set checksum flags on first descriptor of packet. SCTP checksum * offload is not supported, but we do not explicitly check for this * case in favor of greatly simplified processing. */ - if (mb->ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK)) + if (mb->ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_L4_MASK | PKT_TX_TCP_SEG)) q->hw_ring[q->next_free].flags |= FM10K_TXD_FLAG_CSUM; /* set vlan if requested */ @@ -447,6 +447,21 @@ static inline void tx_xmit_pkt(struct fm10k_tx_queue *q, struct rte_mbuf *mb) rte_cpu_to_le_64(MBUF_DMA_ADDR(mb)); q->hw_ring[q->next_free].buflen = rte_cpu_to_le_16(rte_pktmbuf_data_len(mb)); + + if (mb->ol_flags & PKT_TX_TCP_SEG) { + hdrlen = mb->outer_l2_len + mb->outer_l3_len + mb->l2_len + + mb->l3_len + mb->l4_len; + if (q->hw_ring[q->next_free].flags & FM10K_TXD_FLAG_FTAG) + hdrlen += sizeof(struct fm10k_ftag); + + if ((hdrlen >= FM10K_TSO_MIN_HEADERLEN) && + (hdrlen <= FM10K_TSO_MAX_HEADERLEN) && + (mb->tso_segsz >= FM10K_TSO_MINMSS)) { + q->hw_ring[q->next_free].mss = mb->tso_segsz; + q->hw_ring[q->next_free].hdrlen = hdrlen; + } + } + if (++q->next_free == q->nb_desc) q->next_free = 0; @@ -462,7 +477,7 @@ static inline void tx_xmit_pkt(struct fm10k_tx_queue *q, struct rte_mbuf *mb) q->next_free = 0; } - q->hw_ring[last_id].flags = flags; + q->hw_ring[last_id].flags |= flags; } uint16_t -- 1.9.3