@@ -16,6 +16,7 @@ x86-64 = Y
[rte_flow items]
any = Y
eth = Y
+icmp = Y
ipv4 = Y
[rte_flow actions]
@@ -827,6 +827,107 @@ static int interpret_flow_elements(const struct flow_eth_dev *dev,
break;
+ case RTE_FLOW_ITEM_TYPE_ICMP:
+ NT_LOG(DBG, FILTER, "Adap %i, Port %i: RTE_FLOW_ITEM_TYPE_ICMP",
+ dev->ndev->adapter_no, dev->port);
+ {
+ const struct rte_flow_item_icmp *icmp_spec =
+ (const struct rte_flow_item_icmp *)elem[eidx].spec;
+ const struct rte_flow_item_icmp *icmp_mask =
+ (const struct rte_flow_item_icmp *)elem[eidx].mask;
+
+ if (icmp_spec == NULL || icmp_mask == NULL) {
+ if (any_count > 0 || fd->l4_prot != -1) {
+ fd->tunnel_l4_prot = PROT_TUN_L4_ICMP;
+ fd->tunnel_ip_prot = 1;
+ key_def->inner_proto = 1;
+ } else {
+ fd->l4_prot = PROT_L4_ICMP;
+ fd->ip_prot = 1;
+ key_def->outer_proto = 1;
+ }
+ break;
+ }
+
+ if (icmp_mask->hdr.icmp_cksum != 0 ||
+ icmp_mask->hdr.icmp_ident != 0 ||
+ icmp_mask->hdr.icmp_seq_nb != 0) {
+ NT_LOG(ERR, FILTER,
+ "Requested ICMP field not supported by running SW version");
+ flow_nic_set_error(ERR_FAILED, error);
+ return -1;
+ }
+
+ if (icmp_mask->hdr.icmp_type || icmp_mask->hdr.icmp_code) {
+ if (sw_counter < 2) {
+ uint32_t *sw_data = &packet_data[1 - sw_counter];
+ uint32_t *sw_mask = &packet_mask[1 - sw_counter];
+
+ sw_mask[0] = icmp_mask->hdr.icmp_type << 24 |
+ icmp_mask->hdr.icmp_code << 16;
+ sw_data[0] = icmp_spec->hdr.icmp_type << 24 |
+ icmp_spec->hdr.icmp_code << 16;
+ sw_data[0] &= sw_mask[0];
+
+ km_add_match_elem(&fd->km, &sw_data[0],
+ &sw_mask[0], 1, any_count > 0
+ ? DYN_TUN_L4 : DYN_L4, 0);
+ set_key_def_sw(key_def, sw_counter,
+ any_count > 0 ? DYN_TUN_L4 : DYN_L4, 0);
+ sw_counter += 1;
+
+ } else if (qw_counter < 2 && qw_free > 0) {
+ uint32_t *qw_data =
+ &packet_data[2 + 4 - qw_counter * 4];
+ uint32_t *qw_mask =
+ &packet_mask[2 + 4 - qw_counter * 4];
+
+ qw_data[0] = icmp_spec->hdr.icmp_type << 24 |
+ icmp_spec->hdr.icmp_code << 16;
+ qw_data[1] = 0;
+ qw_data[2] = 0;
+ qw_data[3] = 0;
+
+ qw_mask[0] = icmp_mask->hdr.icmp_type << 24 |
+ icmp_mask->hdr.icmp_code << 16;
+ qw_mask[1] = 0;
+ qw_mask[2] = 0;
+ qw_mask[3] = 0;
+
+ qw_data[0] &= qw_mask[0];
+ qw_data[1] &= qw_mask[1];
+ qw_data[2] &= qw_mask[2];
+ qw_data[3] &= qw_mask[3];
+
+ km_add_match_elem(&fd->km, &qw_data[0], &qw_mask[0],
+ 4, any_count > 0 ? DYN_TUN_L4 : DYN_L4, 0);
+ set_key_def_qw(key_def, qw_counter, any_count > 0
+ ? DYN_TUN_L4 : DYN_L4, 0);
+ qw_counter += 1;
+ qw_free -= 1;
+
+ } else {
+ NT_LOG(ERR, FILTER,
+ "Key size too big. Out of SW-QW resources.");
+ flow_nic_set_error(ERR_FAILED, error);
+ return -1;
+ }
+ }
+
+ if (any_count > 0 || fd->l4_prot != -1) {
+ fd->tunnel_l4_prot = PROT_TUN_L4_ICMP;
+ fd->tunnel_ip_prot = 1;
+ key_def->inner_proto = 1;
+
+ } else {
+ fd->l4_prot = PROT_L4_ICMP;
+ fd->ip_prot = 1;
+ key_def->outer_proto = 1;
+ }
+ }
+
+ break;
+
default:
NT_LOG(ERR, FILTER, "Invalid or unsupported flow request: %d",
(int)elem[eidx].type);