Add the corresponding logics to support the offload
of UDP item.
Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
---
doc/guides/nics/features/nfp.ini | 1 +
doc/guides/rel_notes/release_22_11.rst | 1 +
drivers/net/nfp/nfp_flow.c | 63 ++++++++++++++++++++++++++++++++--
3 files changed, 63 insertions(+), 2 deletions(-)
@@ -33,6 +33,7 @@ ipv6 = Y
ipv6_frag_ext = Y
port_id = Y
tcp = Y
+udp = Y
vlan = Y
[rte_flow actions]
@@ -112,6 +112,7 @@ New Features
* IPv4
* IPv6
* TCP
+ * UDP
Add the support of rte_flow actions as follow:
@@ -549,6 +549,11 @@ struct nfp_mask_id_entry {
key_ls->key_layer |= NFP_FLOWER_LAYER_TP;
key_ls->key_size += sizeof(struct nfp_flower_tp_ports);
break;
+ case RTE_FLOW_ITEM_TYPE_UDP:
+ PMD_DRV_LOG(DEBUG, "RTE_FLOW_ITEM_TYPE_UDP detected");
+ key_ls->key_layer |= NFP_FLOWER_LAYER_TP;
+ key_ls->key_size += sizeof(struct nfp_flower_tp_ports);
+ break;
default:
PMD_DRV_LOG(ERR, "Item type %d not supported.", item->type);
return -ENOTSUP;
@@ -850,6 +855,47 @@ struct nfp_mask_id_entry {
return 0;
}
+static int
+nfp_flow_merge_udp(struct rte_flow *nfp_flow,
+ char **mbuf_off,
+ const struct rte_flow_item *item,
+ const struct nfp_flow_item_proc *proc,
+ bool is_mask)
+{
+ char *ports_off;
+ struct nfp_flower_tp_ports *ports;
+ const struct rte_flow_item_udp *spec;
+ const struct rte_flow_item_udp *mask;
+ struct nfp_flower_meta_tci *meta_tci;
+
+ spec = item->spec;
+ if (spec == NULL) {
+ PMD_DRV_LOG(DEBUG, "nfp flow merge udp: no item->spec!");
+ return 0;
+ }
+
+ meta_tci = (struct nfp_flower_meta_tci *)nfp_flow->payload.unmasked_data;
+ if (meta_tci->nfp_flow_key_layer & NFP_FLOWER_LAYER_IPV4) {
+ ports_off = *mbuf_off - sizeof(struct nfp_flower_ipv4) -
+ sizeof(struct nfp_flower_tp_ports);
+ } else {/* IPv6 */
+ ports_off = *mbuf_off - sizeof(struct nfp_flower_ipv6) -
+ sizeof(struct nfp_flower_tp_ports);
+ }
+ ports = (struct nfp_flower_tp_ports *)ports_off;
+
+ mask = item->mask ? item->mask : proc->mask_default;
+ if (is_mask) {
+ ports->port_src = mask->hdr.src_port;
+ ports->port_dst = mask->hdr.dst_port;
+ } else {
+ ports->port_src = spec->hdr.src_port;
+ ports->port_dst = spec->hdr.dst_port;
+ }
+
+ return 0;
+}
+
/* Graph of supported items and associated process function */
static const struct nfp_flow_item_proc nfp_flow_item_proc_list[] = {
[RTE_FLOW_ITEM_TYPE_END] = {
@@ -886,7 +932,8 @@ struct nfp_mask_id_entry {
.merge = nfp_flow_merge_vlan,
},
[RTE_FLOW_ITEM_TYPE_IPV4] = {
- .next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_TCP),
+ .next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_TCP,
+ RTE_FLOW_ITEM_TYPE_UDP),
.mask_support = &(const struct rte_flow_item_ipv4){
.hdr = {
.type_of_service = 0xff,
@@ -902,7 +949,8 @@ struct nfp_mask_id_entry {
.merge = nfp_flow_merge_ipv4,
},
[RTE_FLOW_ITEM_TYPE_IPV6] = {
- .next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_TCP),
+ .next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_TCP,
+ RTE_FLOW_ITEM_TYPE_UDP),
.mask_support = &(const struct rte_flow_item_ipv6){
.hdr = {
.vtc_flow = RTE_BE32(0x0ff00000),
@@ -931,6 +979,17 @@ struct nfp_mask_id_entry {
.mask_sz = sizeof(struct rte_flow_item_tcp),
.merge = nfp_flow_merge_tcp,
},
+ [RTE_FLOW_ITEM_TYPE_UDP] = {
+ .mask_support = &(const struct rte_flow_item_udp){
+ .hdr = {
+ .src_port = RTE_BE16(0xffff),
+ .dst_port = RTE_BE16(0xffff),
+ },
+ },
+ .mask_default = &rte_flow_item_udp_mask,
+ .mask_sz = sizeof(struct rte_flow_item_udp),
+ .merge = nfp_flow_merge_udp,
+ },
};
static int