From: Olivier Matz <olivier.matz@6wind.com>
To: Zhichao Zeng <zhichaox.zeng@intel.com>
Cc: dev@dpdk.org, qi.z.zhang@intel.com, ke1.xu@intel.com
Subject: Re: [PATCH 1/4] net: calculate correct UDP pseudo header for UFO
Date: Tue, 6 Jun 2023 17:19:59 +0200 [thread overview]
Message-ID: <ZH9On4MzpGZMjslP@platinum> (raw)
In-Reply-To: <20230413053401.4190743-1-zhichaox.zeng@intel.com>
Hi Zeng,
On Thu, Apr 13, 2023 at 01:34:00PM +0800, Zhichao Zeng wrote:
> This commit calculates the correct pseudo header for the
> UDP fragmentation offload by adding UDP_SEG flag.
>
> Signed-off-by: Zhichao Zeng <zhichaox.zeng@intel.com>
Sorry for the late feedback.
The patch looks good to me, thanks!
I don't think we need to Cc stable or add a "Fixes:" tag, as this
feature was not supported by any driver before your series.
Acked-by: Olivier Matz <olivier.matz@6wind.com>
> ---
> lib/net/rte_ip.h | 4 ++--
> lib/net/rte_net.h | 5 +++--
> 2 files changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/lib/net/rte_ip.h b/lib/net/rte_ip.h
> index a310e9d498..8073c8e889 100644
> --- a/lib/net/rte_ip.h
> +++ b/lib/net/rte_ip.h
> @@ -345,7 +345,7 @@ rte_ipv4_phdr_cksum(const struct rte_ipv4_hdr *ipv4_hdr, uint64_t ol_flags)
> psd_hdr.dst_addr = ipv4_hdr->dst_addr;
> psd_hdr.zero = 0;
> psd_hdr.proto = ipv4_hdr->next_proto_id;
> - if (ol_flags & RTE_MBUF_F_TX_TCP_SEG) {
> + if (ol_flags & (RTE_MBUF_F_TX_TCP_SEG | RTE_MBUF_F_TX_UDP_SEG)) {
> psd_hdr.len = 0;
> } else {
> l3_len = rte_be_to_cpu_16(ipv4_hdr->total_length);
> @@ -596,7 +596,7 @@ rte_ipv6_phdr_cksum(const struct rte_ipv6_hdr *ipv6_hdr, uint64_t ol_flags)
> } psd_hdr;
>
> psd_hdr.proto = (uint32_t)(ipv6_hdr->proto << 24);
> - if (ol_flags & RTE_MBUF_F_TX_TCP_SEG) {
> + if (ol_flags & (RTE_MBUF_F_TX_TCP_SEG | RTE_MBUF_F_TX_UDP_SEG)) {
> psd_hdr.len = 0;
> } else {
> psd_hdr.len = ipv6_hdr->payload_len;
> diff --git a/lib/net/rte_net.h b/lib/net/rte_net.h
> index 56611fc8f9..ef3ff4c6fd 100644
> --- a/lib/net/rte_net.h
> +++ b/lib/net/rte_net.h
> @@ -121,7 +121,7 @@ rte_net_intel_cksum_flags_prepare(struct rte_mbuf *m, uint64_t ol_flags)
> * no offloads are requested.
> */
> if (!(ol_flags & (RTE_MBUF_F_TX_IP_CKSUM | RTE_MBUF_F_TX_L4_MASK | RTE_MBUF_F_TX_TCP_SEG |
> - RTE_MBUF_F_TX_OUTER_IP_CKSUM)))
> + RTE_MBUF_F_TX_UDP_SEG | RTE_MBUF_F_TX_OUTER_IP_CKSUM)))
> return 0;
>
> if (ol_flags & (RTE_MBUF_F_TX_OUTER_IPV4 | RTE_MBUF_F_TX_OUTER_IPV6)) {
> @@ -154,7 +154,8 @@ rte_net_intel_cksum_flags_prepare(struct rte_mbuf *m, uint64_t ol_flags)
> ipv4_hdr->hdr_checksum = 0;
> }
>
> - if ((ol_flags & RTE_MBUF_F_TX_L4_MASK) == RTE_MBUF_F_TX_UDP_CKSUM) {
> + if ((ol_flags & RTE_MBUF_F_TX_L4_MASK) == RTE_MBUF_F_TX_UDP_CKSUM ||
> + (ol_flags & RTE_MBUF_F_TX_UDP_SEG)) {
> if (ol_flags & RTE_MBUF_F_TX_IPV4) {
> udp_hdr = (struct rte_udp_hdr *)((char *)ipv4_hdr +
> m->l3_len);
> --
> 2.25.1
>
next prev parent reply other threads:[~2023-06-06 15:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-13 5:34 Zhichao Zeng
2023-06-06 7:00 ` Zeng, ZhichaoX
2023-06-06 15:19 ` Olivier Matz [this message]
2023-06-06 18:01 ` Ferruh Yigit
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