Re: [PATCH 2/2] NetRxPkt: fix hash calculation of IPV6 TCP

[Dmitry Fleytman <dmitry.fleytman@gmail.com>]

> On 27 Jan 2020, at 13:54, Yuri Benditovich <yuri.benditovich@daynix.com> wrote:
> 
> When requested to calculate the hash for TCPV6 packet,
> ignore overrides of source and destination addresses
> in in extension headers.
> Use these overrides when new hash type NetPktRssIpV6TcpEx
> requested.
> Use this type in e1000e hash calculation for IPv6 TCP, which
> should take in account overrides of the addresses.
> 
> Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>

Acked-by: Dmitry Fleytman <dmitry.fleytman@gmail.com>

> ---
> hw/net/e1000e_core.c | 2 +-
> hw/net/net_rx_pkt.c  | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c
> index 9b76f82db5..5b05c8ea8a 100644
> --- a/hw/net/e1000e_core.c
> +++ b/hw/net/e1000e_core.c
> @@ -582,7 +582,7 @@ e1000e_rss_calc_hash(E1000ECore *core,
>         type = NetPktRssIpV4Tcp;
>         break;
>     case E1000_MRQ_RSS_TYPE_IPV6TCP:
> -        type = NetPktRssIpV6Tcp;
> +        type = NetPktRssIpV6TcpEx;
>         break;
>     case E1000_MRQ_RSS_TYPE_IPV6:
>         type = NetPktRssIpV6;
> diff --git a/hw/net/net_rx_pkt.c b/hw/net/net_rx_pkt.c
> index b2a06bd27d..1e1c504e42 100644
> --- a/hw/net/net_rx_pkt.c
> +++ b/hw/net/net_rx_pkt.c
> @@ -348,7 +348,7 @@ net_rx_pkt_calc_rss_hash(struct NetRxPkt *pkt,
>         assert(pkt->isip6);
>         assert(pkt->istcp);
>         trace_net_rx_pkt_rss_ip6_tcp();
> -        _net_rx_rss_prepare_ip6(&rss_input[0], pkt, true, &rss_length);
> +        _net_rx_rss_prepare_ip6(&rss_input[0], pkt, false, &rss_length);
>         _net_rx_rss_prepare_tcp(&rss_input[0], pkt, &rss_length);
>         break;
>     case NetPktRssIpV6:
> -- 
> 2.17.1
>