This series adds support for port mirroring, and port mirroring stats,
through tc matchall action FLOW_ACTION_MIRRED.
The hardware has three independent mirroring probes. Each probe can be
configured with a separate set of filtering conditions that must be
fulfilled before traffic is mirrored.
A mirror probe can have up to 64 source ports and a single monitor port.
The direction of a mirror probe determines if rx or tx traffic is
mirrored from the source port to the monitor port.
To: David S. Miller <davem@davemloft.net>
To: Eric Dumazet <edumazet@google.com>
To: Jakub Kicinski <kuba@kernel.org>
To: Paolo Abeni <pabeni@redhat.com>
To: Lars Povlsen <lars.povlsen@microchip.com>
To: Steen Hegelund <Steen.Hegelund@microchip.com>
To: UNGLinuxDriver@microchip.com
To: Russell King <linux@armlinux.org.uk>
Cc: netdev@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: Horatiu Vultur <horatiu.vultur@microchip.com>
Cc: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Vladimir Oltean <vladimir.oltean@nxp.com>
Cc: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
---
Changes in v2:
- Fix clang build warning about uninitialized variable 'err'
- Link to v1: https://lore.kernel.org/r/20240418-port-mirroring-v1-0-e05c35007c55@microchip.com
---
Daniel Machon (5):
net: sparx5: add new register definitions
net: sparx5: add bookkeeping code for matchall rules
net: sparx5: add port mirroring implementation
net: sparx5: add the tc glue to support port mirroring
net: sparx5: add support for matchall mirror stats
drivers/net/ethernet/microchip/sparx5/Makefile | 3 +-
.../net/ethernet/microchip/sparx5/sparx5_main.c | 3 +
.../net/ethernet/microchip/sparx5/sparx5_main.h | 25 +++
.../ethernet/microchip/sparx5/sparx5_main_regs.h | 68 ++++++
.../net/ethernet/microchip/sparx5/sparx5_mirror.c | 233 +++++++++++++++++++++
.../ethernet/microchip/sparx5/sparx5_tc_matchall.c | 125 ++++++++++-
6 files changed, 447 insertions(+), 10 deletions(-)
---
base-commit: 1c25fe9a044d5334153a3585754b26553f8287b9
change-id: 20240402-port-mirroring-81735171ecfa
Best regards,
--
Daniel Machon <daniel.machon@microchip.com>