linux-kernel - [PATCH net-next v2 0/3] Add native mode XDP support

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Message-ID: <20250210103352.541052-1-m-malladi@ti.com>
Date: Mon, 10 Feb 2025 16:03:49 +0530
From: Meghana Malladi <m-malladi@...com>
To: <rogerq@...nel.org>, <danishanwar@...com>, <pabeni@...hat.com>,
        <kuba@...nel.org>, <edumazet@...gle.com>, <davem@...emloft.net>,
        <andrew+netdev@...n.ch>
CC: <bpf@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <u.kleine-koenig@...libre.com>, <krzysztof.kozlowski@...aro.org>,
        <dan.carpenter@...aro.org>, <m-malladi@...com>,
        <schnelle@...ux.ibm.com>, <glaroque@...libre.com>,
        <rdunlap@...radead.org>, <diogo.ivo@...mens.com>,
        <jan.kiszka@...mens.com>, <john.fastabend@...il.com>,
        <hawk@...nel.org>, <daniel@...earbox.net>, <ast@...nel.org>,
        <srk@...com>, Vignesh Raghavendra
	<vigneshr@...com>
Subject: [PATCH net-next v2 0/3] Add native mode XDP support

This series adds native XDP support using page_pool.
XDP zero copy support is not included in this patch series.

Patch 1/3: Replaces skb with page pool for Rx buffer allocation
Patch 2/3: Adds prueth_swdata struct for SWDATA for all swdata cases
Patch 3/3: Introduces native mode XDP support

v1: https://lore.kernel.org/all/20250122124951.3072410-1-m-malladi@ti.com/

Changes since v1 (v2-v1):
- Add missing SoBs for all patches
1/3:
- Recycle pages wherever necessary using skb_mark_for_recycle()
- Use napi_build_skb() instead of build_skb()
- Update with correct frag_size argument in napi_build_skb()
- Use napi_gro_receive() instead of netif_receive_skb()
- Use PP_FLAG_DMA_SYNC_DEV to enable DMA sync with device
- Use page_pool_dma_sync_for_cpu() to sync Rx page pool for CPU
3/3:
- Fix XDP typo in the commit message
- Add XDP feature flags using xdp_set_features_flag()
- Use xdp_build_skb_from_buff() when XDP ran
All the above changes have been suggested by Ido Schimmel <idosch@...sch.org>

Roger Quadros (3):
  net: ti: icssg-prueth: Use page_pool API for RX buffer allocation
  net: ti: icssg-prueth: introduce and use prueth_swdata struct for
    SWDATA
  net: ti: icssg-prueth: Add XDP support

 drivers/net/ethernet/ti/Kconfig               |   1 +
 drivers/net/ethernet/ti/icssg/icssg_common.c  | 427 ++++++++++++++----
 drivers/net/ethernet/ti/icssg/icssg_config.h  |   2 +-
 drivers/net/ethernet/ti/icssg/icssg_prueth.c  | 129 +++++-
 drivers/net/ethernet/ti/icssg/icssg_prueth.h  |  50 +-
 .../net/ethernet/ti/icssg/icssg_prueth_sr1.c  |  23 +-
 6 files changed, 540 insertions(+), 92 deletions(-)


base-commit: acdefab0dcbc3833b5a734ab80d792bb778517a0
-- 
2.43.0