net/hns3: add compile-time verification on Rx vector

[dpdk.git] / drivers / net / hns3 / hns3_rxtx_vec_neon.h

diff --git a/drivers/net/hns3/hns3_rxtx_vec_neon.h b/drivers/net/hns3/hns3_rxtx_vec_neon.h
index 14d6fb0..e5c7d69 100644 (file)
--- a/drivers/net/hns3/hns3_rxtx_vec_neon.h
+++ b/drivers/net/hns3/hns3_rxtx_vec_neon.h
@@ -98,7 +98,6 @@ hns3_desc_parse_field(struct hns3_rx_queue *rxq,
        uint32_t l234_info, ol_info, bd_base_info;
        struct rte_mbuf *pkt;
        uint32_t retcode = 0;
-       uint32_t cksum_err;
        uint32_t i;
        int ret;
 
@@ -111,17 +110,13 @@ hns3_desc_parse_field(struct hns3_rx_queue *rxq,
                l234_info = rxdp[i].rx.l234_info;
                ol_info = rxdp[i].rx.ol_info;
                bd_base_info = rxdp[i].rx.bd_base_info;
-               ret = hns3_handle_bdinfo(rxq, pkt, bd_base_info,
-                                        l234_info, &cksum_err);
+               ret = hns3_handle_bdinfo(rxq, pkt, bd_base_info, l234_info);
                if (unlikely(ret)) {
                        retcode |= 1u << i;
                        continue;
                }
 
                pkt->packet_type = hns3_rx_calc_ptype(rxq, l234_info, ol_info);
-               if (likely(bd_base_info & BIT(HNS3_RXD_L3L4P_B)))
-                       hns3_rx_set_cksum_flag(pkt, pkt->packet_type,
-                                              cksum_err);
 
                /* Increment bytes counter */
                rxq->basic_stats.bytes += pkt->pkt_len;
@@ -161,6 +156,14 @@ hns3_recv_burst_vec(struct hns3_rx_queue *__restrict rxq,
                0, 0, 0,      /* ignore non-length fields */
        };
 
+       /* compile-time verifies the shuffle mask */
+       RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
+                        offsetof(struct rte_mbuf, rx_descriptor_fields1) + 4);
+       RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_len) !=
+                        offsetof(struct rte_mbuf, rx_descriptor_fields1) + 8);
+       RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, hash.rss) !=
+                        offsetof(struct rte_mbuf, rx_descriptor_fields1) + 12);
+
        for (pos = 0; pos < nb_pkts; pos += HNS3_DEFAULT_DESCS_PER_LOOP,
                                     rxdp += HNS3_DEFAULT_DESCS_PER_LOOP) {
                uint64x2x2_t descs[HNS3_DEFAULT_DESCS_PER_LOOP];