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tc: Add vxlan encap action with gbp option offload.

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Add TC offload support for vxlan encap with gbp option.

Reviewed-by: Gavi Teitz <gavi@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Gavin Li <gavinl@nvidia.com>
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
This commit is contained in:
Gavin Li
2023-06-27 13:48:12 +03:00
committed by Eelco Chaudron
parent 256c1e5819
commit a2a3f1983f
8 changed files with 143 additions and 17 deletions
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58
lib/tc.c
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@@ -1290,6 +1290,35 @@ nl_parse_act_geneve_opts(const struct nlattr *in_nlattr,
return 0;
}
static int
nl_parse_act_vxlan_opts(struct nlattr *in_nlattr, struct tc_action *action)
{
const struct ofpbuf *msg;
struct nlattr *nla;
struct ofpbuf buf;
size_t left;
nl_attr_get_nested(in_nlattr, &buf);
msg = &buf;
NL_ATTR_FOR_EACH (nla, left, ofpbuf_at(msg, 0, 0), msg->size) {
uint16_t type = nl_attr_type(nla);
int32_t gbp_raw;
switch (type) {
case TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP:
gbp_raw = nl_attr_get_u32(nla);
odp_decode_gbp_raw(gbp_raw, &action->encap.gbp.id,
&action->encap.gbp.flags);
action->encap.gbp.id_present = true;
break;
}
}
return 0;
}
static int
nl_parse_act_tunnel_opts(struct nlattr *options, struct tc_action *action)
{
@@ -1314,7 +1343,12 @@ nl_parse_act_tunnel_opts(struct nlattr *options, struct tc_action *action)
if (err) {
return err;
}
break;
case TCA_TUNNEL_KEY_ENC_OPTS_VXLAN:
err = nl_parse_act_vxlan_opts(nla, action);
if (err) {
return err;
}
break;
}
}
@@ -2640,6 +2674,27 @@ nl_msg_put_act_tunnel_geneve_option(struct ofpbuf *request,
nl_msg_end_nested(request, outer);
}
static void
nl_msg_put_act_tunnel_vxlan_opts(struct ofpbuf *request,
struct tc_action_encap *encap)
{
size_t outer, inner;
uint32_t gbp_raw;
if (!encap->gbp.id_present) {
return;
}
gbp_raw = odp_encode_gbp_raw(encap->gbp.flags,
encap->gbp.id);
outer = nl_msg_start_nested_with_flag(request, TCA_TUNNEL_KEY_ENC_OPTS);
inner = nl_msg_start_nested_with_flag(request,
TCA_TUNNEL_KEY_ENC_OPTS_VXLAN);
nl_msg_put_u32(request, TCA_TUNNEL_KEY_ENC_OPT_VXLAN_GBP, gbp_raw);
nl_msg_end_nested(request, inner);
nl_msg_end_nested(request, outer);
}
static void
nl_msg_put_act_tunnel_key_set(struct ofpbuf *request,
struct tc_action_encap *encap,
@@ -2680,6 +2735,7 @@ nl_msg_put_act_tunnel_key_set(struct ofpbuf *request,
nl_msg_put_be16(request, TCA_TUNNEL_KEY_ENC_DST_PORT,
encap->tp_dst);
}
nl_msg_put_act_tunnel_vxlan_opts(request, encap);
nl_msg_put_act_tunnel_geneve_option(request, &encap->data);
nl_msg_put_u8(request, TCA_TUNNEL_KEY_NO_CSUM, encap->no_csum);
}