From: "Singh, Aman Deep" <aman.deep.singh@intel.com>
To: Ferruh Yigit <ferruh.yigit@amd.com>,
David Marchand <david.marchand@redhat.com>, <dev@dpdk.org>
Cc: Yuying Zhang <yuying.zhang@intel.com>, Robin Jarry <rjarry@redhat.com>
Subject: Re: [PATCH 6/6] app/testpmd: factorize fwd engine Tx
Date: Thu, 16 Feb 2023 13:31:36 +0530 [thread overview]
Message-ID: <4def3139-f828-ffa1-e82c-a88869549f6e@intel.com> (raw)
In-Reply-To: <05073ac4-9188-0887-c39c-0d5f215df947@amd.com>
On 2/14/2023 11:47 PM, Ferruh Yigit wrote:
> On 2/14/2023 11:03 AM, Singh, Aman Deep wrote:
>> On 1/24/2023 4:17 PM, David Marchand wrote:
>>> Reduce code duplication by introducing a helper that takes care of
>>> transmitting, retrying if enabled and incrementing tx counter.
>>>
>>> Signed-off-by: David Marchand <david.marchand@redhat.com>
> <...>
>
>>> diff --git a/app/test-pmd/txonly.c b/app/test-pmd/txonly.c
>>> index b80ab6f5df..7144b3d5eb 100644
>>> --- a/app/test-pmd/txonly.c
>>> +++ b/app/test-pmd/txonly.c
>>> @@ -331,10 +331,9 @@ pkt_burst_transmit(struct fwd_stream *fs)
>>> struct rte_mbuf *pkt;
>>> struct rte_mempool *mbp;
>>> struct rte_ether_hdr eth_hdr;
>>> - uint16_t nb_tx;
>>> + uint16_t nb_dropped;
>>> uint16_t nb_pkt;
>>> uint16_t vlan_tci, vlan_tci_outer;
>>> - uint32_t retry;
>>> uint64_t ol_flags = 0;
>>> uint64_t tx_offloads;
>>> @@ -391,34 +390,18 @@ pkt_burst_transmit(struct fwd_stream *fs)
>>> if (nb_pkt == 0)
>>> return false;
>>> - nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst,
>>> nb_pkt);
>>> -
>>> - /*
>>> - * Retry if necessary
>>> - */
>>> - if (unlikely(nb_tx < nb_pkt) && fs->retry_enabled) {
>>> - retry = 0;
>>> - while (nb_tx < nb_pkt && retry++ < burst_tx_retry_num) {
>>> - rte_delay_us(burst_tx_delay_time);
>>> - nb_tx += rte_eth_tx_burst(fs->tx_port, fs->tx_queue,
>>> - &pkts_burst[nb_tx], nb_pkt - nb_tx);
>>> - }
>>> - }
>>> - fs->tx_packets += nb_tx;
>>> + nb_dropped = common_fwd_stream_transmit(fs, pkts_burst, nb_pkt);
>>> if (txonly_multi_flow)
>>> - RTE_PER_LCORE(_ip_var) -= nb_pkt - nb_tx;
>>> + RTE_PER_LCORE(_ip_var) -= nb_dropped;
>>> - inc_tx_burst_stats(fs, nb_tx);
>>> - if (unlikely(nb_tx < nb_pkt)) {
>>> + if (unlikely(nb_dropped > 0)) {
>>> if (verbose_level > 0 && fs->fwd_dropped == 0)
>>> printf("port %d tx_queue %d - drop "
>>> - "(nb_pkt:%u - nb_tx:%u)=%u packets\n",
>>> - fs->tx_port, fs->tx_queue,
>>> - (unsigned) nb_pkt, (unsigned) nb_tx,
>>> - (unsigned) (nb_pkt - nb_tx));
>>> - fs->fwd_dropped += (nb_pkt - nb_tx);
>>> - rte_pktmbuf_free_bulk(&pkts_burst[nb_tx], nb_pkt - nb_tx);
>>> + "(nb_pkt:%"PRIu16" - nb_tx:%"PRIu16")="
>>> + "%"PRIu16" packets\n",
>>> + fs->tx_port, fs->tx_queue, nb_pkt,
>>> + nb_pkt - nb_dropped, nb_dropped);
>> Build error reported in this file here-
>> ../app/test-pmd/txonly.c:404:5: error: format specifies type 'unsigned
>> short' but the argument has type 'int' [-Werror,-Wformat]
>>
> both 'nb_pkt' & 'nb_dropped' are 'uint16_t' (unsigned short), I wonder
> which argument is causing this warning?
I think, subtraction of two unsigned numbers promotes the result to int.
As 'nb_pkt > nb_dropped', we may explicitly typecast it-
'(unsigned)(nb_pkt - nb_dropped)'
>
>
next prev parent reply other threads:[~2023-02-16 8:01 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-24 10:47 [PATCH 0/6] Testpmd code cleanup David Marchand
2023-01-24 10:47 ` [PATCH 1/6] app/testpmd: factorize core cycles record David Marchand
2023-02-14 18:14 ` Ferruh Yigit
2023-01-24 10:47 ` [PATCH 2/6] app/testpmd: don't send unprepared packets David Marchand
2023-02-14 18:14 ` Ferruh Yigit
2023-01-24 10:47 ` [PATCH 3/6] app/testpmd: bulk free mbufs David Marchand
2023-02-14 18:14 ` Ferruh Yigit
2023-01-24 10:47 ` [PATCH 4/6] app/testpmd: factorize fwd engine init David Marchand
2023-02-14 18:14 ` Ferruh Yigit
2023-01-24 10:47 ` [PATCH 5/6] app/testpmd: factorize fwd engine Rx David Marchand
2023-02-14 18:15 ` Ferruh Yigit
2023-01-24 10:47 ` [PATCH 6/6] app/testpmd: factorize fwd engine Tx David Marchand
2023-02-14 11:03 ` Singh, Aman Deep
2023-02-14 18:17 ` Ferruh Yigit
2023-02-16 8:01 ` Singh, Aman Deep [this message]
2023-02-16 10:07 ` Ferruh Yigit
2023-02-14 18:16 ` Ferruh Yigit
2023-02-20 16:33 ` David Marchand
2023-01-25 13:50 ` [PATCH 0/6] Testpmd code cleanup Robin Jarry
2023-02-14 18:22 ` Ferruh Yigit
2023-02-20 15:02 ` David Marchand
2023-02-20 16:40 ` [PATCH v2 0/9] " David Marchand
2023-02-20 16:40 ` [PATCH v2 1/9] app/testpmd: fix Tx preparation in checksum engine David Marchand
2023-02-20 16:40 ` [PATCH v2 2/9] app/testpmd: fix packet count in ieee15888 engine David Marchand
2023-02-20 16:40 ` [PATCH v2 3/9] app/testpmd: rework ieee1588 engine fwd configuration David Marchand
2023-02-24 9:11 ` Singh, Aman Deep
2023-02-20 16:40 ` [PATCH v2 4/9] app/testpmd: fix packet transmission in noisy VNF engine David Marchand
2023-02-20 16:40 ` [PATCH v2 5/9] app/testpmd: bulk free mbufs David Marchand
2023-02-20 16:41 ` [PATCH v2 6/9] app/testpmd: factorize core cycles record David Marchand
2023-02-20 16:41 ` [PATCH v2 7/9] app/testpmd: factorize fwd engine init David Marchand
2023-02-20 16:41 ` [PATCH v2 8/9] app/testpmd: factorize fwd engine Rx David Marchand
2023-02-20 16:41 ` [PATCH v2 9/9] app/testpmd: factorize fwd engine Tx David Marchand
2023-02-20 18:34 ` [PATCH v3 0/9] Testpmd code cleanup David Marchand
2023-02-20 18:34 ` [PATCH v3 1/9] app/testpmd: fix Tx preparation in checksum engine David Marchand
2023-02-20 18:34 ` [PATCH v3 2/9] app/testpmd: fix packet count in ieee15888 engine David Marchand
2023-02-24 8:24 ` Singh, Aman Deep
2023-02-20 18:34 ` [PATCH v3 3/9] app/testpmd: rework ieee1588 engine fwd configuration David Marchand
2023-02-28 18:50 ` Ferruh Yigit
2023-02-20 18:34 ` [PATCH v3 4/9] app/testpmd: fix packet transmission in noisy VNF engine David Marchand
2023-02-28 18:51 ` Ferruh Yigit
2023-02-20 18:34 ` [PATCH v3 5/9] app/testpmd: bulk free mbufs David Marchand
2023-02-20 18:45 ` Stephen Hemminger
2023-02-20 18:34 ` [PATCH v3 6/9] app/testpmd: factorize core cycles record David Marchand
2023-02-20 18:35 ` [PATCH v3 7/9] app/testpmd: factorize fwd engine init David Marchand
2023-02-20 18:35 ` [PATCH v3 8/9] app/testpmd: factorize fwd engine Rx David Marchand
2023-02-20 18:35 ` [PATCH v3 9/9] app/testpmd: factorize fwd engine Tx David Marchand
2023-02-28 18:35 ` Ferruh Yigit
2023-02-28 18:54 ` [PATCH v3 0/9] Testpmd code cleanup Ferruh Yigit
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