@@ -134,6 +134,9 @@ Supported pattern items:
- IPV4 (exact match of source/destination addresses,
IP transport protocol)
+- IPV6 (exact match of source/destination addresses,
+ IP transport protocol)
+
Supported actions:
- VOID
@@ -74,6 +74,7 @@ static sfc_flow_item_parse sfc_flow_parse_void;
static sfc_flow_item_parse sfc_flow_parse_eth;
static sfc_flow_item_parse sfc_flow_parse_vlan;
static sfc_flow_item_parse sfc_flow_parse_ipv4;
+static sfc_flow_item_parse sfc_flow_parse_ipv6;
static boolean_t
sfc_flow_is_zero(const uint8_t *buf, unsigned int size)
@@ -391,6 +392,99 @@ sfc_flow_parse_ipv4(const struct rte_flow_item *item,
return -rte_errno;
}
+static int
+sfc_flow_parse_ipv6(const struct rte_flow_item *item,
+ efx_filter_spec_t *efx_spec,
+ struct rte_flow_error *error)
+{
+ int rc;
+ const struct rte_flow_item_ipv6 *spec = NULL;
+ const struct rte_flow_item_ipv6 *mask = NULL;
+ const uint16_t ether_type_ipv6 = rte_cpu_to_le_16(EFX_ETHER_TYPE_IPV6);
+ const struct rte_flow_item_ipv6 supp_mask = {
+ .hdr = {
+ .src_addr = { 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff },
+ .dst_addr = { 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff },
+ .proto = 0xff,
+ }
+ };
+
+ rc = sfc_flow_parse_init(item,
+ (const void **)&spec,
+ (const void **)&mask,
+ &supp_mask,
+ &rte_flow_item_ipv6_mask,
+ sizeof(struct rte_flow_item_ipv6),
+ error);
+ if (rc != 0)
+ return rc;
+
+ /*
+ * Filtering by IPv6 source and destination addresses requires
+ * the appropriate ETHER_TYPE in hardware filters
+ */
+ if (!(efx_spec->efs_match_flags & EFX_FILTER_MATCH_ETHER_TYPE)) {
+ efx_spec->efs_match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
+ efx_spec->efs_ether_type = ether_type_ipv6;
+ } else if (efx_spec->efs_ether_type != ether_type_ipv6) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Ethertype in pattern with IPV6 item should be appropriate");
+ return -rte_errno;
+ }
+
+ if (spec == NULL)
+ return 0;
+
+ /* IPv6 adresses are in big-endian byte order in item and in efx_spec */
+ if (memcmp(mask->hdr.src_addr, supp_mask.hdr.src_addr,
+ sizeof(mask->hdr.src_addr)) == 0) {
+ efx_spec->efs_match_flags |= EFX_FILTER_MATCH_REM_HOST;
+
+ RTE_BUILD_BUG_ON(sizeof(efx_spec->efs_rem_host) !=
+ sizeof(spec->hdr.src_addr));
+ rte_memcpy(&efx_spec->efs_rem_host, spec->hdr.src_addr,
+ sizeof(efx_spec->efs_rem_host));
+ } else if (!sfc_flow_is_zero(mask->hdr.src_addr,
+ sizeof(mask->hdr.src_addr))) {
+ goto fail_bad_mask;
+ }
+
+ if (memcmp(mask->hdr.dst_addr, supp_mask.hdr.dst_addr,
+ sizeof(mask->hdr.dst_addr)) == 0) {
+ efx_spec->efs_match_flags |= EFX_FILTER_MATCH_LOC_HOST;
+
+ RTE_BUILD_BUG_ON(sizeof(efx_spec->efs_loc_host) !=
+ sizeof(spec->hdr.dst_addr));
+ rte_memcpy(&efx_spec->efs_loc_host, spec->hdr.dst_addr,
+ sizeof(efx_spec->efs_loc_host));
+ } else if (!sfc_flow_is_zero(mask->hdr.dst_addr,
+ sizeof(mask->hdr.dst_addr))) {
+ goto fail_bad_mask;
+ }
+
+ if (mask->hdr.proto == supp_mask.hdr.proto) {
+ efx_spec->efs_match_flags |= EFX_FILTER_MATCH_IP_PROTO;
+ efx_spec->efs_ip_proto = spec->hdr.proto;
+ } else if (mask->hdr.proto != 0) {
+ goto fail_bad_mask;
+ }
+
+ return 0;
+
+fail_bad_mask:
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, item,
+ "Bad mask in the IPV6 pattern item");
+ return -rte_errno;
+}
+
static const struct sfc_flow_item sfc_flow_items[] = {
{
.type = RTE_FLOW_ITEM_TYPE_VOID,
@@ -416,6 +510,12 @@ static const struct sfc_flow_item sfc_flow_items[] = {
.layer = SFC_FLOW_ITEM_L3,
.parse = sfc_flow_parse_ipv4,
},
+ {
+ .type = RTE_FLOW_ITEM_TYPE_IPV6,
+ .prev_layer = SFC_FLOW_ITEM_L2,
+ .layer = SFC_FLOW_ITEM_L3,
+ .parse = sfc_flow_parse_ipv6,
+ },
};
/*