netdev - [PATCH net-next 13/23] netfilter: flowtable: add dsa support

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Message-Id: <20210311003604.22199-14-pablo@netfilter.org>
Date:   Thu, 11 Mar 2021 01:35:54 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org, kuba@...nel.org,
        Felix Fietkau <nbd@....name>
Subject: [PATCH net-next 13/23] netfilter: flowtable: add dsa support

Replace the master ethernet device by the dsa slave port. Packets coming
in from the software ingress path use the dsa slave port as input
device.

Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/netfilter/nft_flow_offload.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c
index 81a5e2b6c901..143d049fd7f1 100644
--- a/net/netfilter/nft_flow_offload.c
+++ b/net/netfilter/nft_flow_offload.c
@@ -89,6 +89,7 @@ static void nft_dev_path_info(const struct net_device_path_stack *stack,
 		path = &stack->path[i];
 		switch (path->type) {
 		case DEV_PATH_ETHERNET:
+		case DEV_PATH_DSA:
 		case DEV_PATH_VLAN:
 		case DEV_PATH_PPPOE:
 			info->indev = path->dev;
@@ -97,6 +98,10 @@ static void nft_dev_path_info(const struct net_device_path_stack *stack,
 
 			if (path->type == DEV_PATH_ETHERNET)
 				break;
+			if (path->type == DEV_PATH_DSA) {
+				i = stack->num_paths;
+				break;
+			}
 
 			/* DEV_PATH_VLAN and DEV_PATH_PPPOE */
 			if (info->num_encaps >= NF_FLOW_TABLE_ENCAP_MAX) {
-- 
2.20.1