+
+static void
+octeontx_create_rx_ol_flags_array(void *mem)
+{
+ uint16_t idx, errcode, errlev;
+ uint32_t val, *ol_flags;
+
+ /* Skip ptype array memory */
+ ol_flags = (uint32_t *)mem;
+
+ for (idx = 0; idx < BIT(ERRCODE_ERRLEN_WIDTH); idx++) {
+ errcode = idx & 0xff;
+ errlev = (idx & 0x700) >> 8;
+
+ val = PKT_RX_IP_CKSUM_UNKNOWN;
+ val |= PKT_RX_L4_CKSUM_UNKNOWN;
+ val |= PKT_RX_OUTER_L4_CKSUM_UNKNOWN;
+
+ switch (errlev) {
+ case OCCTX_ERRLEV_RE:
+ if (errcode) {
+ val |= PKT_RX_IP_CKSUM_BAD;
+ val |= PKT_RX_L4_CKSUM_BAD;
+ } else {
+ val |= PKT_RX_IP_CKSUM_GOOD;
+ val |= PKT_RX_L4_CKSUM_GOOD;
+ }
+ break;
+ case OCCTX_ERRLEV_LC:
+ if (errcode == OCCTX_EC_IP4_CSUM) {
+ val |= PKT_RX_IP_CKSUM_BAD;
+ val |= PKT_RX_EIP_CKSUM_BAD;
+ } else {
+ val |= PKT_RX_IP_CKSUM_GOOD;
+ }
+ break;
+ case OCCTX_ERRLEV_LD:
+ /* Check if parsed packet is neither IPv4 or IPV6 */
+ if (errcode == OCCTX_EC_IP4_NOT)
+ break;
+ val |= PKT_RX_IP_CKSUM_GOOD;
+ if (errcode == OCCTX_EC_L4_CSUM)
+ val |= PKT_RX_OUTER_L4_CKSUM_BAD;
+ else
+ val |= PKT_RX_L4_CKSUM_GOOD;
+ break;
+ case OCCTX_ERRLEV_LE:
+ if (errcode == OCCTX_EC_IP4_CSUM)
+ val |= PKT_RX_IP_CKSUM_BAD;
+ else
+ val |= PKT_RX_IP_CKSUM_GOOD;
+ break;
+ case OCCTX_ERRLEV_LF:
+ /* Check if parsed packet is neither IPv4 or IPV6 */
+ if (errcode == OCCTX_EC_IP4_NOT)
+ break;
+ val |= PKT_RX_IP_CKSUM_GOOD;
+ if (errcode == OCCTX_EC_L4_CSUM)
+ val |= PKT_RX_L4_CKSUM_BAD;
+ else
+ val |= PKT_RX_L4_CKSUM_GOOD;
+ break;
+ }
+
+ ol_flags[idx] = val;
+ }
+}
+
+void *
+octeontx_fastpath_lookup_mem_get(void)
+{
+ const char name[] = OCCTX_FASTPATH_LOOKUP_MEM;
+ const struct rte_memzone *mz;
+ void *mem;
+
+ mz = rte_memzone_lookup(name);
+ if (mz != NULL)
+ return mz->addr;
+
+ /* Request for the first time */
+ mz = rte_memzone_reserve_aligned(name, LOOKUP_ARRAY_SZ,
+ SOCKET_ID_ANY, 0, OCCTX_ALIGN);
+ if (mz != NULL) {
+ mem = mz->addr;
+ /* Form the rx ol_flags based on errcode */
+ octeontx_create_rx_ol_flags_array(mem);
+ return mem;
+ }
+ return NULL;
+}