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netfilter: flowtable: support for FLOW_ACTION_PPPOE_PUSH

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Add a PPPoE push action if layer 2 protocol is ETH_P_PPP_SES to add
PPPoE flowtable hardware offload support.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pablo Neira Ayuso 2021-03-24 02:30:50 +01:00 committed by David S. Miller
parent 563ae557dd
commit 17e52c0aaa
1 changed files with 12 additions and 3 deletions
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15
net/netfilter/nf_flow_table_offload.c
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@ -600,9 +600,18 @@ nf_flow_rule_route_common(struct net *net, const struct flow_offload *flow,
continue;
entry = flow_action_entry_next(flow_rule);
entry->id = FLOW_ACTION_VLAN_PUSH;
entry->vlan.vid = other_tuple->encap[i].id;
entry->vlan.proto = other_tuple->encap[i].proto;
switch (other_tuple->encap[i].proto) {
case htons(ETH_P_PPP_SES):
entry->id = FLOW_ACTION_PPPOE_PUSH;
entry->pppoe.sid = other_tuple->encap[i].id;
break;
case htons(ETH_P_8021Q):
entry->id = FLOW_ACTION_VLAN_PUSH;
entry->vlan.vid = other_tuple->encap[i].id;
entry->vlan.proto = other_tuple->encap[i].proto;
break;
}
}
return 0;