[v2] net/hns3: support IOVA as VA
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Commit Message
Claim PMD supports pmd_supports_disable_iova_as_pa.
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
Acked-by: Dongdong Liu <liudongdong3@huawei.com>
---
v2: modify commit head which address Thomas's comment
add reviewed and acked by of v1.
---
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(-)
@@ -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 = {
@@ -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));
@@ -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']