[PATCH 6.18 138/227] net: bcmasp: Fix network filter wake for asp-3.0

Greg Kroah-Hartman
2026-01-28T15:59:37Z

From: Justin Chen <justin.chen@broadcom.com>

[ Upstream commit bbb11b8d758d17a4ce34b8ed0b49de150568265b ]

We need to apply the tx_chan_offset to the netfilter cfg channel or the
output channel will be incorrect for asp-3.0 and newer.

Fixes: e9f31435ee7d ("net: bcmasp: Add support for asp-v3.0")
Signed-off-by: Justin Chen <justin.chen@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20260120192339.2031648-1-justin.chen@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/broadcom/asp2/bcmasp.c | 5 +++--
drivers/net/ethernet/broadcom/asp2/bcmasp.h | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp.c b/drivers/net/ethernet/broadcom/asp2/bcmasp.c
index fd35f4b4dc50b..014340f33345a 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp.c
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp.c
@@ -156,7 +156,7 @@ static void bcmasp_netfilt_hw_en_wake(struct bcmasp_priv *priv,
ASP_RX_FILTER_NET_OFFSET_L4(32),
ASP_RX_FILTER_NET_OFFSET(nfilt->hw_index + 1));

- rx_filter_core_wl(priv, ASP_RX_FILTER_NET_CFG_CH(nfilt->port + 8) |
+ rx_filter_core_wl(priv, ASP_RX_FILTER_NET_CFG_CH(nfilt->ch) |
ASP_RX_FILTER_NET_CFG_EN |
ASP_RX_FILTER_NET_CFG_L2_EN |
ASP_RX_FILTER_NET_CFG_L3_EN |
@@ -166,7 +166,7 @@ static void bcmasp_netfilt_hw_en_wake(struct bcmasp_priv *priv,
ASP_RX_FILTER_NET_CFG_UMC(nfilt->port),
ASP_RX_FILTER_NET_CFG(nfilt->hw_index));

- rx_filter_core_wl(priv, ASP_RX_FILTER_NET_CFG_CH(nfilt->port + 8) |
+ rx_filter_core_wl(priv, ASP_RX_FILTER_NET_CFG_CH(nfilt->ch) |
ASP_RX_FILTER_NET_CFG_EN |
ASP_RX_FILTER_NET_CFG_L2_EN |
ASP_RX_FILTER_NET_CFG_L3_EN |
@@ -714,6 +714,7 @@ struct bcmasp_net_filter *bcmasp_netfilt_get_init(struct bcmasp_intf *intf,
nfilter = &priv->net_filters[open_index];
nfilter->claimed = true;
nfilter->port = intf->port;
+ nfilter->ch = intf->channel + priv->tx_chan_offset;
nfilter->hw_index = open_index;
}

diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp.h b/drivers/net/ethernet/broadcom/asp2/bcmasp.h
index 74adfdb50e11d..e238507be40af 100644
--- a/drivers/net/ethernet/broadcom/asp2/bcmasp.h
+++ b/drivers/net/ethernet/broadcom/asp2/bcmasp.h
@@ -348,6 +348,7 @@ struct bcmasp_net_filter {
bool wake_filter;

int port;
+ int ch;
unsigned int hw_index;
};

--
2.51.0