linux-kernel - [PATCH net-next 0/3] net: marvell: prestera: add basic routes offloading

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Date:   Wed, 16 Feb 2022 03:05:54 +0200
From:   Yevhen Orlov <yevhen.orlov@...ision.eu>
To:     netdev@...r.kernel.org
Cc:     Volodymyr Mytnyk <volodymyr.mytnyk@...ision.eu>,
        Taras Chornyi <taras.chornyi@...ision.eu>,
        Mickey Rachamim <mickeyr@...vell.com>,
        Serhiy Pshyk <serhiy.pshyk@...ision.eu>,
        Yevhen Orlov <yevhen.orlov@...ision.eu>,
        Taras Chornyi <tchornyi@...vell.com>,
        Oleksandr Mazur <oleksandr.mazur@...ision.eu>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 0/3] net: marvell: prestera: add basic routes offloading

Add support for blackhole and local routes for Marvell Prestera driver.
Subscribe on fib notifications and handle add/del.

Add features:
 - Support route adding.
   e.g.: "ip route add blackhole 7.7.1.1/24"
   e.g.: "ip route add local 9.9.9.9 dev sw1p30"
 - Support "rt_trap", "rt_offload", "rt_offload_failed" flags
 - Handle case, when route in "local" table overlaps route in "main" table
   example:
	ip ro add blackhole 7.7.7.7
	ip ro add local 7.7.7.7 dev sw1p30
	# blackhole route will be deoffloaded. rt_offload flag disappeared

Limitations:
 - Only "blackhole" and "local" routes supported. "nexthop" routes is TRAP
   for now and will be implemented soon.
 - Only "local" and "main" tables supported

Co-developed-by: Taras Chornyi <tchornyi@...vell.com>
Signed-off-by: Taras Chornyi <tchornyi@...vell.com>
Co-developed-by: Oleksandr Mazur <oleksandr.mazur@...ision.eu>
Signed-off-by: Oleksandr Mazur <oleksandr.mazur@...ision.eu>
Signed-off-by: Yevhen Orlov <yevhen.orlov@...ision.eu>

Yevhen Orlov (3):
  net: marvell: prestera: Add router LPM ABI
  net: marvell: prestera: add hardware router objects accounting for lpm
  net: marvell: prestera: handle fib notifications

 .../net/ethernet/marvell/prestera/prestera.h  |   5 +
 .../ethernet/marvell/prestera/prestera_hw.c   |  49 +++
 .../ethernet/marvell/prestera/prestera_hw.h   |   6 +
 .../ethernet/marvell/prestera/prestera_main.c |  11 +
 .../marvell/prestera/prestera_router.c        | 412 ++++++++++++++++++
 .../marvell/prestera/prestera_router_hw.c     | 132 +++++-
 .../marvell/prestera/prestera_router_hw.h     |  44 ++
 7 files changed, 652 insertions(+), 7 deletions(-)

-- 
2.17.1