netdev - RE: [RFC V2 net-next v2 0/3] Introduce XDP to ena

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Date:   Thu, 31 Oct 2019 16:49:33 +0000
From:   "Jubran, Samih" <sameehj@...zon.com>
To:     "Jubran, Samih" <sameehj@...zon.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "Woodhouse, David" <dwmw@...zon.co.uk>,
        "Machulsky, Zorik" <zorik@...zon.com>,
        "Matushevsky, Alexander" <matua@...zon.com>,
        "Bshara, Saeed" <saeedb@...zon.com>,
        "Wilson, Matt" <msw@...zon.com>,
        "Liguori, Anthony" <aliguori@...zon.com>,
        "Bshara, Nafea" <nafea@...zon.com>,
        "Tzalik, Guy" <gtzalik@...zon.com>,
        "Belgazal, Netanel" <netanel@...zon.com>,
        "Saidi, Ali" <alisaidi@...zon.com>,
        "Herrenschmidt, Benjamin" <benh@...zon.com>,
        "Kiyanovski, Arthur" <akiyano@...zon.com>
Subject: RE: [RFC V2 net-next v2 0/3] Introduce XDP to ena

This was resent by mistake, please ignore.

> -----Original Message-----
> From: sameehj@...zon.com <sameehj@...zon.com>
> Sent: Thursday, October 31, 2019 6:36 PM
> To: davem@...emloft.net; netdev@...r.kernel.org
> Cc: Jubran, Samih <sameehj@...zon.com>; Woodhouse, David
> <dwmw@...zon.co.uk>; Machulsky, Zorik <zorik@...zon.com>;
> Matushevsky, Alexander <matua@...zon.com>; Bshara, Saeed
> <saeedb@...zon.com>; Wilson, Matt <msw@...zon.com>; Liguori,
> Anthony <aliguori@...zon.com>; Bshara, Nafea <nafea@...zon.com>;
> Tzalik, Guy <gtzalik@...zon.com>; Belgazal, Netanel
> <netanel@...zon.com>; Saidi, Ali <alisaidi@...zon.com>; Herrenschmidt,
> Benjamin <benh@...zon.com>; Kiyanovski, Arthur
> <akiyano@...zon.com>
> Subject: [RFC V2 net-next v2 0/3] Introduce XDP to ena
> 
> From: Sameeh Jubran <sameehj@...zon.com>
> 
> This patchset includes 3 patches:
> * XDP_DROP implementation
> * XDP_TX implementation
> * A fix for an issue which might occur due to the XDP_TX patch. I see fit
>   to place it as a standalone patch for clarity.
> 
> Difference from RFC v1 (XDP_DROP patch):
> * Initialized xdp.rxq pointer
> * Updated max_mtu on attachment of xdp and removed the check from
>   ena_change_mtu()
> * Moved the xdp execution from ena_rx_skb() to ena_clean_rx_irq()
> * Moved xdp buff (struct xdp_buff) from rx_ring to the local stack
> * Started using netlink's extack mechanism to deliver error messages to
>   the user
> 
> Sameeh Jubran (3):
>   net: ena: implement XDP drop support
>   net: ena: Implement XDP_TX action
>   net: ena: Add first_interrupt field to napi struct
> 
>  drivers/net/ethernet/amazon/ena/ena_ethtool.c |   4 +-
>  drivers/net/ethernet/amazon/ena/ena_netdev.c  | 839
> ++++++++++++++++--  drivers/net/ethernet/amazon/ena/ena_netdev.h  |
> 70 ++
>  3 files changed, 815 insertions(+), 98 deletions(-)
> 
> --
> 2.17.1