DPDK patches and discussions
 help / color / mirror / Atom feed
From: Olivier Matz <olivier.matz@6wind.com>
To: dev@dpdk.org, yuanhan.liu@linux.intel.com, konstantin.ananyev@intel.com
Cc: sugesh.chandran@intel.com, bruce.richardson@intel.com,
	jianfeng.tan@intel.com, helin.zhang@intel.com,
	adrien.mazarguil@6wind.com
Subject: [dpdk-dev] [PATCH 11/12] virtio: add Lro support
Date: Thu, 21 Jul 2016 10:08:29 +0200	[thread overview]
Message-ID: <1469088510-7552-12-git-send-email-olivier.matz@6wind.com> (raw)
In-Reply-To: <1469088510-7552-1-git-send-email-olivier.matz@6wind.com>

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
---
 drivers/net/virtio/virtio_ethdev.c |  7 ++++++-
 drivers/net/virtio/virtio_ethdev.h |  9 ---------
 drivers/net/virtio/virtio_rxtx.c   | 21 +++++++++++++++++++++
 3 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 2443b42..c9d85f6 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1354,6 +1354,10 @@ virtio_dev_configure(struct rte_eth_dev *dev)
 	req_features = VIRTIO_PMD_DEFAULT_GUEST_FEATURES;
 	if (rxmode->hw_ip_checksum)
 		req_features |= (1ULL << VIRTIO_NET_F_GUEST_CSUM);
+	if (rxmode->enable_lro)
+		req_features |=
+			(1ULL << VIRTIO_NET_F_GUEST_TSO4) |
+			(1ULL << VIRTIO_NET_F_GUEST_TSO6);
 
 	/* if request features changed, reinit the device */
 	if (req_features != hw->req_guest_features) {
@@ -1579,7 +1583,8 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	};
 	dev_info->rx_offload_capa =
 		DEV_RX_OFFLOAD_TCP_CKSUM |
-		DEV_RX_OFFLOAD_UDP_CKSUM;
+		DEV_RX_OFFLOAD_UDP_CKSUM |
+		DEV_RX_OFFLOAD_TCP_LRO;
 	dev_info->tx_offload_capa = 0;
 
 	if (hw->guest_features & (1ULL << VIRTIO_NET_F_CSUM)) {
diff --git a/drivers/net/virtio/virtio_ethdev.h b/drivers/net/virtio/virtio_ethdev.h
index 0dad91f..dec71e9 100644
--- a/drivers/net/virtio/virtio_ethdev.h
+++ b/drivers/net/virtio/virtio_ethdev.h
@@ -116,13 +116,4 @@ uint16_t virtio_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
 
 int eth_virtio_dev_init(struct rte_eth_dev *eth_dev);
 
-/*
- * The VIRTIO_NET_F_GUEST_TSO[46] features permit the host to send us
- * frames larger than 1514 bytes. We do not yet support software LRO
- * via tcp_lro_rx().
- */
-#define VTNET_LRO_FEATURES (VIRTIO_NET_F_GUEST_TSO4 | \
-			    VIRTIO_NET_F_GUEST_TSO6 | VIRTIO_NET_F_GUEST_ECN)
-
-
 #endif /* _VIRTIO_ETHDEV_H_ */
diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index 063edf7..3f3b9d6 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -675,6 +675,27 @@ virtio_rx_offload(struct rte_mbuf *m, struct virtio_net_hdr *hdr)
 		m->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
 	}
 
+	/* GSO request, save required information in mbuf */
+	if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) {
+		/* Check unsupported modes */
+		if ((hdr->gso_type & VIRTIO_NET_HDR_GSO_ECN) ||
+		    (hdr->gso_size == 0)) {
+			return -EINVAL;
+		}
+
+		/* Update mss lengthes in mbuf */
+		m->tso_segsz = hdr->gso_size;
+		switch (hdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN) {
+			case VIRTIO_NET_HDR_GSO_TCPV4:
+			case VIRTIO_NET_HDR_GSO_TCPV6:
+				m->ol_flags |= PKT_RX_LRO | \
+					PKT_RX_L4_CKSUM_NONE;
+				break;
+			default:
+				return -EINVAL;
+		}
+	}
+
 	return 0;
 }
 
-- 
2.8.1

  parent reply	other threads:[~2016-07-21  8:08 UTC|newest]

Thread overview: 97+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-21  8:08 [dpdk-dev] [PATCH 00/12] net/virtio: add offload support Olivier Matz
2016-07-21  8:08 ` [dpdk-dev] [PATCH 01/12] virtio: move device initialization in a function Olivier Matz
2016-07-21  8:08 ` [dpdk-dev] [PATCH 02/12] virtio: setup and start cq in configure callback Olivier Matz
2016-07-21 21:15   ` Stephen Hemminger
2016-07-22  7:54     ` Olivier Matz
2016-07-21  8:08 ` [dpdk-dev] [PATCH 03/12] virtio: reinitialize the device " Olivier Matz
2016-07-21  8:08 ` [dpdk-dev] [PATCH 04/12] mbuf: add function to calculate a checksum Olivier Matz
2016-07-21 10:51   ` Ananyev, Konstantin
2016-07-21 16:26     ` Don Provan
2016-07-21 16:46       ` Olivier Matz
2016-07-22  8:24     ` Olivier Matz
2016-08-29 14:52       ` Olivier Matz
2016-07-21  8:08 ` [dpdk-dev] [PATCH 05/12] mbuf: add new Rx checksum mbuf flags Olivier Matz
2016-07-21 21:22   ` Stephen Hemminger
2016-07-22  8:03     ` Olivier Matz
2016-07-21  8:08 ` [dpdk-dev] [PATCH 06/12] app/testpmd: fix checksum stats in csum engine Olivier Matz
2016-07-21  8:08 ` [dpdk-dev] [PATCH 07/12] mbuf: new flag for LRO Olivier Matz
2016-07-21  8:08 ` [dpdk-dev] [PATCH 08/12] app/testpmd: display lro segment size Olivier Matz
2016-07-21  8:08 ` [dpdk-dev] [PATCH 09/12] virtio: add Rx checksum offload support Olivier Matz
2016-07-27  9:52   ` Wang, Xiao W
2016-07-21  8:08 ` [dpdk-dev] [PATCH 10/12] virtio: add Tx " Olivier Matz
2016-07-21  8:08 ` Olivier Matz [this message]
2016-07-21  8:08 ` [dpdk-dev] [PATCH 12/12] virtio: add Tso support Olivier Matz
2016-10-03  9:00 ` [dpdk-dev] [PATCH v2 00/12] net/virtio: add offload support Olivier Matz
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 01/12] virtio: move device initialization in a function Olivier Matz
2016-10-11 12:30     ` Maxime Coquelin
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 02/12] virtio: setup and start cq in configure callback Olivier Matz
2016-10-11 12:47     ` Maxime Coquelin
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 03/12] virtio: reinitialize the device " Olivier Matz
2016-10-11 13:13     ` Maxime Coquelin
2016-10-12 14:41     ` Yuanhan Liu
2016-10-12 16:01       ` Olivier MATZ
2016-10-13  7:54         ` Yuanhan Liu
2016-10-13 13:57           ` Olivier MATZ
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 04/12] net: add function to calculate a checksum in a mbuf Olivier Matz
2016-10-11 13:25     ` Maxime Coquelin
2016-10-11 13:33       ` Olivier MATZ
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 05/12] mbuf: add new Rx checksum mbuf flags Olivier Matz
2016-10-11 13:43     ` Maxime Coquelin
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 06/12] app/testpmd: fix checksum stats in csum engine Olivier Matz
2016-10-11 13:46     ` Maxime Coquelin
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 07/12] mbuf: new flag for LRO Olivier Matz
2016-10-11 13:48     ` Maxime Coquelin
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 08/12] app/testpmd: display lro segment size Olivier Matz
2016-10-11 13:49     ` Maxime Coquelin
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 09/12] virtio: add Rx checksum offload support Olivier Matz
2016-10-03 12:51     ` Maxime Coquelin
2016-10-05 11:56       ` Olivier Matz
2016-10-05 13:27         ` Maxime Coquelin
2016-10-05 13:30           ` Olivier Matz
2016-10-12 13:02           ` Yuanhan Liu
2016-10-12 15:55             ` Olivier MATZ
2016-10-11 14:04     ` Maxime Coquelin
2016-10-11 14:29       ` Olivier MATZ
2016-10-11 14:36         ` Maxime Coquelin
2016-10-11 14:49           ` Olivier MATZ
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 10/12] virtio: add Tx " Olivier Matz
2016-10-07  7:25     ` Maxime Coquelin
2016-10-07 16:36       ` Olivier Matz
2016-10-13  8:38     ` Yuanhan Liu
2016-10-13 13:58       ` Olivier MATZ
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 11/12] virtio: add Lro support Olivier Matz
2016-10-11 14:21     ` Maxime Coquelin
2016-10-03  9:00   ` [dpdk-dev] [PATCH v2 12/12] virtio: add Tso support Olivier Matz
2016-10-13  8:18     ` Yuanhan Liu
2016-10-13 14:02       ` Olivier MATZ
2016-10-13 14:16         ` Yuanhan Liu
2016-10-13 14:52           ` Olivier MATZ
2016-10-13 15:01             ` Yuanhan Liu
2016-10-13 15:15               ` Olivier MATZ
2016-10-13 15:29                 ` Yuanhan Liu
2016-10-13 15:45                   ` Olivier Matz
2016-10-13 16:01                     ` Yuanhan Liu
2016-10-13 15:04             ` Yuanhan Liu
2016-10-13 23:33       ` Stephen Hemminger
2016-10-18 14:07         ` Olivier Matz
2016-10-11 11:35   ` [dpdk-dev] [PATCH v2 00/12] net/virtio: add offload support Yuanhan Liu
2016-10-11 12:14     ` Olivier MATZ
2016-10-11 15:37       ` Yuanhan Liu
2016-10-13 14:15 ` [dpdk-dev] [PATCH v3 " Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 01/12] net/virtio: move device initialization in a function Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 02/12] net/virtio: setup and start cq in configure callback Olivier Matz
2016-11-02  1:38     ` Yao, Lei A
2016-11-08 14:58       ` Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 03/12] net/virtio: reinitialize the device " Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 04/12] net: add function to calculate a checksum in a mbuf Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 05/12] mbuf: add new Rx checksum mbuf flags Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 06/12] app/testpmd: adapt checksum stats in csum engine Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 07/12] mbuf: new flag for LRO Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 08/12] app/testpmd: display lro segment size Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 09/12] net/virtio: add Rx checksum offload support Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 10/12] net/virtio: add Tx " Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 11/12] net/virtio: add Lro support Olivier Matz
2016-10-13 14:16   ` [dpdk-dev] [PATCH v3 12/12] net/virtio: add Tso support Olivier Matz
2016-10-13 16:05     ` Yuanhan Liu
2016-10-13 18:50       ` Thomas Monjalon
2016-10-13 19:58         ` Olivier Matz

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1469088510-7552-12-git-send-email-olivier.matz@6wind.com \
    --to=olivier.matz@6wind.com \
    --cc=adrien.mazarguil@6wind.com \
    --cc=bruce.richardson@intel.com \
    --cc=dev@dpdk.org \
    --cc=helin.zhang@intel.com \
    --cc=jianfeng.tan@intel.com \
    --cc=konstantin.ananyev@intel.com \
    --cc=sugesh.chandran@intel.com \
    --cc=yuanhan.liu@linux.intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).