[PATCH net-next v2 06/13] net: renesas: rswitch: add forwarding rules for gwca
flat view
STALE213d
SUPERSEDED
From: Michael Dege <hidden>
Date: 2026-03-27 08:28:05
Also in:
linux-renesas-soc, lkml
Subsystem:
networking drivers, renesas ethernet switch driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Status: Superseded by v5 (posted 2026-05-22). [go to v5]
Revision v2 (5 revisions archived).
Revisions (5)
Add rules to forward packets from the Ethernet ports to the CPU port (GWCA)
using L2 forwarding instead of port forwarding.
Signed-off-by: Michael Dege <redacted>
---
drivers/net/ethernet/renesas/rswitch_l2.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/net/ethernet/renesas/rswitch_l2.c b/drivers/net/ethernet/renesas/rswitch_l2.c
index 709524c8a5c4..cabf1f92ad0c 100644
--- a/drivers/net/ethernet/renesas/rswitch_l2.c
+++ b/drivers/net/ethernet/renesas/rswitch_l2.c@@ -93,10 +93,32 @@ static void rswitch_update_l2_hw_forwarding(struct rswitch_private *priv) } } +static void rswitch_update_l2_hw_forwarding_gwca(struct rswitch_private *priv) +{ + struct rswitch_device *rdev; + u32 fwpc0_set, fwpc0_clr, fwpc2_set, fwpc2_clr; + + fwpc0_clr = FWPC0_MACSSA | FWPC0_MACDSA | FWPC0_MACRUDA; + fwpc0_set = fwpc0_clr; + fwpc2_clr = FIELD_PREP(FWPC2_LTWFW, BIT(AGENT_INDEX_GWCA)); + fwpc2_set = fwpc2_clr; + + (priv->offload_brdev) ? (fwpc0_clr = 0, fwpc2_set = 0) + : (fwpc0_set = 0, fwpc2_set = 0); + + rswitch_modify(priv->addr, FWPC0(AGENT_INDEX_GWCA), fwpc0_clr, fwpc0_set); + + rswitch_for_all_ports(priv, rdev) { + rswitch_modify(priv->addr, FWPC2(rdev->etha->index), + fwpc2_clr, fwpc2_set); + } +} + void rswitch_update_l2_offload(struct rswitch_private *priv) { rswitch_update_l2_hw_learning(priv); rswitch_update_l2_hw_forwarding(priv); + rswitch_update_l2_hw_forwarding_gwca(priv); } static void rswitch_update_offload_brdev(struct rswitch_private *priv)
--
2.43.0