[dpdk-test-report] |FAILURE| pw38690 [PATCH] net/tap: remove queue specific offload support Re: [PATCH] [PATCH] net/tap: remove queue specific offload > support > > On 4/23/2018 10:17 AM Ophir Munk wrote: > > Hi Ferruh > > A quick feedback to your patch on top of next-net/master: the IP and TCP > offloaded checksums are turned incorrect. > > Hi Ophir > > Thanks for testing. > This patch removes queue specific offloads for tap but nothing touched on > port offloads and in below test you are already using single queue. > > This may mean something is wrong in tap for port offloading configuration. > > Tap does csum calculation in Tx path [1] which does not even checks the > offloading flags but mbuf->ol_flags. Any chance that mbuf->ol_flags is not > set correct? Can you able to make exact same setup work without this > patch? > > > [1] > if (txq->csum && > ((mbuf->ol_flags & (PKT_TX_IP_CKSUM | PKT_TX_IPV4) || > (mbuf->ol_flags & PKT_TX_L4_MASK) == PKT_TX_UDP_CKSUM || > (mbuf->ol_flags & PKT_TX_L4_MASK) == PKT_TX_TCP_CKSUM))) { > /* Support only packets with all data in the same seg */ > if (mbuf->nb_segs > 1) > break; > /* To change checksums work on a copy of data. */ > rte_memcpy(m_copy rte_pktmbuf_mtod(mbuf void *) > rte_pktmbuf_data_len(mbuf)); > tap_tx_offload(m_copy mbuf->ol_flags > mbuf->l2_len mbuf->l3_len); > iovecs[1].iov_base = m_copy; > } > > > > > > Detailed description > > ================ > > A traffic generator is sending to a dpdk device one TCP packet and expects > to receive it back after the IP and TCP checksums have been calculated by > TAP. > > > > Testpmd parameters > > ================= > > testpmd -c 0x0f -n 4 --vdev="net_tap0 iface=net_vsc0 remote=ens2" -w > > 0000:00:00.0 -- --burst=64 --mbcache=512 --portmask 0x1 -i --txd=256 > > --rxd=256 --rxq=1 --txq=1 --coremask 0x008 --forward-mode=csum > > --eth-peer=0 00:15:5d:10:66:02 > > > > Testpmd CLI commands > > =================== > > testpmd> port stop all > > testpmd> csum set ip hw 0 > > testpmd> csum set tcp hw 0 > > testpmd> port start all > > testpmd> start > > > > On Traffic generator side > > ===================== > > A traffic generator (scapy) is sending 1261 bytes of a TCP packet > > > > Monitoring the traffic: > > > > tcpdump -i <interface name> -envvv & > > > > The tcpdump output shows the sent packet followed by the received > packet. > > Please note the received packet has incorrect IP & TCP checksums (both > > are 0) > > > > 11:51:03.058623 00:15:5d:10:66:02 > f4:52:14:7a:59:81 ethertype IPv4 > (0x0800) length 1261: (tos 0x0 ttl 64 id 1 offset 0 flags [none] proto TCP > (6) length 1247) > > 127.0.0.1.1 > 127.0.0.1.1: Flags [S] cksum 0xdba5 (correct) seq > > 0:1207 win 8192 length 1207 > > > > 11:51:03.058836 f4:52:14:7a:59:81 > 00:15:5d:10:66:02 ethertype IPv4 > (0x0800) length 1261: (tos 0x0 ttl 64 id 1 offset 0 flags [none] proto TCP > (6) length 1247 bad cksum 0 (->7816)!) > > 127.0.0.1.1 > 127.0.0.1.1: Flags [S] cksum 0x0000 (incorrect -> > > 0xdba5) seq 0:1207 win 8192 length 1207 > > > > Regards > > Ophir > > > >> -----Original Message----- > >> RE: [PATCH] [PATCH] net/tap: remove queue specific > >> offload support > >> > >> Hi Ferruh > >> I was able to apply your patch with Thomas help: > >> 1. git am --reject > >> 2. <Fix code manually using *.rej file> 3. git am --continue > >> > >> Regards > >> Ophir > >> > >>> -----Original Message----- > >>> RE: [PATCH] [PATCH] net/tap: remove queue specific > >>> offload support > >>> > >>> Hi Ferruh > >>> I am not able to apply your patch on next-net/master branch. > >>> I am failing to apply it both on latest commit or just before > >>> 22-Mar-18 (commit's date). > >>> > >>> $ git am > >>> dpdk-dev-net-tap-remove-queue-specific-offload-support.patch > >>> Applying: net/tap: remove queue specific offload support > >>> error: patch failed: drivers/net/tap/rte_eth_tap.c:269 > >>> error: drivers/net/tap/rte_eth_tap.c: patch does not apply Patch > >>> failed at > >>> 0001 net/tap: remove queue specific offload support > >>> > >>> Please advise. > >>> > >>> Once this error is fixed I can verify your patch with high priority > >>> and send you my feedback. > >>> > >>> Regards > >>> Ophir > >>> > >>>> -----Original Message----- > >>>> Re: [PATCH] [PATCH] net/tap: remove queue specific > >>>> offload support > >>>> > >>>> On 4/18/2018 10:40 AM Ophir Munk wrote: > >>>>> Hi Ferruh > >>>>> Sorry for the delayed response. > >>>>> > >>>>> I would like to verify the correctness of this patch by running > >>>>> several > >>>> internal tests. > >>>>> Is a reply by Monday OK with you? > >>>> > >>>> Monday can be late to include patch into rc1 any chance to do earlier? > >>>> > >>>>> > >>>>> Regards > >>>>> Ophir > >>>>> > >>>>>> -----Original Message----- > >>>>>>

sys_stv at intel.com sys_stv at intel.com
Fri May 4 18:53:09 CEST 2018 

Test-Label: Intel-compilation
Test-Status: FAILURE
http://dpdk.org/patch/38690

_apply patch file failure_

Submitter: Ophir Munk <ophirmu at mellanox.com>
Date: Mon, 23 Apr 2018 11:32:56 +0000
DPDK git baseline: Repo:dpdk-next-eventdev, Branch:master, CommitID:fcde84b5f85b3c1a5d5564299fd49c58ca20370d
                   Repo:dpdk-next-crypto, Branch:master, CommitID:7baac775945ce26f4740158656965f095dc4dbda
                   Repo:dpdk-next-net, Branch:master, CommitID:29f4ab844cdb61d7241f7241fe860779516b9012
                   Repo:dpdk-next-virtio, Branch:master, CommitID:037c0996bc927342f157426739e0cb63f2db8689
                   Repo:dpdk, Branch:master, CommitID:ee73f98ef481f61eab2f7289f033c6f9113eee8a
                   
Apply patch file failed:
Repo: dpdk
38690:
(Stripping trailing CRs from patch; use --binary to disable.)
patching file drivers/net/tap/rte_eth_tap.c
Hunk #1 FAILED at 1108.
1 out of 1 hunk FAILED -- saving rejects to file drivers/net/tap/rte_eth_tap.c.rej

Repo: dpdk-next-crypto
38690:
(Stripping trailing CRs from patch; use --binary to disable.)
patching file drivers/net/tap/rte_eth_tap.c
Hunk #1 FAILED at 1108.
1 out of 1 hunk FAILED -- saving rejects to file drivers/net/tap/rte_eth_tap.c.rej

Repo: dpdk-next-net
38690:
(Stripping trailing CRs from patch; use --binary to disable.)
patching file drivers/net/tap/rte_eth_tap.c
Hunk #1 FAILED at 1108.
1 out of 1 hunk FAILED -- saving rejects to file drivers/net/tap/rte_eth_tap.c.rej

Repo: dpdk-next-virtio
38690:
(Stripping trailing CRs from patch; use --binary to disable.)
patching file drivers/net/tap/rte_eth_tap.c
Hunk #1 FAILED at 1108.
1 out of 1 hunk FAILED -- saving rejects to file drivers/net/tap/rte_eth_tap.c.rej

Repo: dpdk-next-eventdev
38690:
(Stripping trailing CRs from patch; use --binary to disable.)
patching file drivers/net/tap/rte_eth_tap.c
Hunk #1 FAILED at 1108.
1 out of 1 hunk FAILED -- saving rejects to file drivers/net/tap/rte_eth_tap.c.rej


DPDK STV team

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