linux-kernel - [PATCH net-next v2 0/5] net: lan966x: Extend xdp support

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Message-ID: <20221115214456.1456856-1-horatiu.vultur@microchip.com>
Date:   Tue, 15 Nov 2022 22:44:51 +0100
From:   Horatiu Vultur <horatiu.vultur@...rochip.com>
To:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <bpf@...r.kernel.org>
CC:     <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <ast@...nel.org>, <daniel@...earbox.net>,
        <hawk@...nel.org>, <john.fastabend@...il.com>,
        <alexandr.lobakin@...el.com>, <UNGLinuxDriver@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH net-next v2 0/5] net: lan966x: Extend xdp support

Extend the current support of XDP in lan966x with the action XDP_TX and
XDP_REDIRECT.
The first patch introduced a headroom for all the received frames. This
is needed when the XDP_TX and XDP_REDIRECT is added.
The next 2 patches, just introduced some helper functions that can be
reused when is needed to transmit back the frame.
The last 2 patches introduce the XDP actions XDP_TX and XDP_REDIRECT.

v1->v2:
- use skb_reserve of using skb_put and skb_pull
- make sure that data_len doesn't include XDP_PACKET_HEADROOM

Horatiu Vultur (5):
  net: lan966x: Add XDP_PACKET_HEADROOM
  net: lan966x: Introduce helper functions
  net: lan966x: Add len field to lan966x_tx_dcb_buf
  net: lan966x: Add support for XDP_TX
  net: lan966x: Add support for XDP_REDIRECT

 .../ethernet/microchip/lan966x/lan966x_fdma.c | 177 ++++++++++++++----
 .../ethernet/microchip/lan966x/lan966x_main.c |   5 +-
 .../ethernet/microchip/lan966x/lan966x_main.h |  15 ++
 .../ethernet/microchip/lan966x/lan966x_xdp.c  |  39 +++-
 4 files changed, 195 insertions(+), 41 deletions(-)

-- 
2.38.0