[PATCH] net/hns3: support disable IOVA as PA mode

[Chengwen Feng]

Claim PMD supports pmd_supports_disable_iova_as_pa.

Signed-off-by: Chengwen Feng <fengcheng...@huawei.com>
---
 drivers/net/hns3/hns3_rxtx_vec_neon.h |  2 +-
 drivers/net/hns3/hns3_rxtx_vec_sve.c  | 13 +++++++++----
 drivers/net/hns3/meson.build          |  7 +------
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/net/hns3/hns3_rxtx_vec_neon.h 
b/drivers/net/hns3/hns3_rxtx_vec_neon.h
index 55d9bf817d..6c49c70fc7 100644
--- a/drivers/net/hns3/hns3_rxtx_vec_neon.h
+++ b/drivers/net/hns3/hns3_rxtx_vec_neon.h
@@ -13,7 +13,7 @@ static inline void
 hns3_vec_tx(volatile struct hns3_desc *desc, struct rte_mbuf *pkt)
 {
        uint64x2_t val1 = {
-               pkt->buf_iova + pkt->data_off,
+               rte_pktmbuf_iova(pkt),
                ((uint64_t)pkt->data_len) << HNS3_TXD_SEND_SIZE_SHIFT
        };
        uint64x2_t val2 = {
diff --git a/drivers/net/hns3/hns3_rxtx_vec_sve.c 
b/drivers/net/hns3/hns3_rxtx_vec_sve.c
index 6f23ba674d..4bf933882a 100644
--- a/drivers/net/hns3/hns3_rxtx_vec_sve.c
+++ b/drivers/net/hns3/hns3_rxtx_vec_sve.c
@@ -261,10 +261,10 @@ hns3_rxq_rearm_mbuf_sve(struct hns3_rx_queue *rxq)
        for (i = 0; i < HNS3_DEFAULT_RXQ_REARM_THRESH; i += REARM_LOOP_STEP_NUM,
                rxep += REARM_LOOP_STEP_NUM, rxdp += REARM_LOOP_STEP_NUM) {
                uint64_t iova[REARM_LOOP_STEP_NUM];
-               iova[0] = rxep[0].mbuf->buf_iova;
-               iova[1] = rxep[1].mbuf->buf_iova;
-               iova[2] = rxep[2].mbuf->buf_iova;
-               iova[3] = rxep[3].mbuf->buf_iova;
+               iova[0] = rte_mbuf_iova_get(rxep[0].mbuf);
+               iova[1] = rte_mbuf_iova_get(rxep[1].mbuf);
+               iova[2] = rte_mbuf_iova_get(rxep[2].mbuf);
+               iova[3] = rte_mbuf_iova_get(rxep[3].mbuf);
                svuint64_t siova = svld1_u64(PG64_256BIT, iova);
                siova = svadd_n_u64_z(PG64_256BIT, siova, RTE_PKTMBUF_HEADROOM);
                svuint64_t ol_base = svdup_n_u64(0);
@@ -397,8 +397,13 @@ hns3_tx_fill_hw_ring_sve(struct hns3_tx_queue *txq,
                pg = svwhilelt_b64_u32(i, nb_pkts);
                base_addr = svld1_u64(pg, (uint64_t *)pkts);
                /* calc mbuf's field buf_iova address */
+#if RTE_IOVA_AS_PA
                buf_iova = svadd_n_u64_z(pg, base_addr,
                                         offsetof(struct rte_mbuf, buf_iova));
+#else
+               buf_iova = svadd_n_u64_z(pg, base_addr,
+                                        offsetof(struct rte_mbuf, buf_addr));
+#endif
                /* calc mbuf's field data_off address */
                data_off = svadd_n_u64_z(pg, base_addr,
                                         offsetof(struct rte_mbuf, data_off));
diff --git a/drivers/net/hns3/meson.build b/drivers/net/hns3/meson.build
index e1a5afa2ec..b8c0f80a20 100644
--- a/drivers/net/hns3/meson.build
+++ b/drivers/net/hns3/meson.build
@@ -13,12 +13,6 @@ if arch_subdir != 'x86' and arch_subdir != 'arm' or not 
dpdk_conf.get('RTE_ARCH_
     subdir_done()
 endif
 
-if dpdk_conf.get('RTE_IOVA_AS_PA') == 0
-    build = false
-    reason = 'driver does not support disabling IOVA as PA mode'
-    subdir_done()
-endif
-
 sources = files(
         'hns3_cmd.c',
         'hns3_dcb.c',
@@ -38,6 +32,7 @@ sources = files(
         'hns3_common.c',
         'hns3_dump.c',
 )
+pmd_supports_disable_iova_as_pa = true
 
 deps += ['hash']
 
-- 
2.17.1