summaryrefslogtreecommitdiffstats
path: root/drivers/net/i40e/i40e_rxtx_vec_sse.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/i40e/i40e_rxtx_vec_sse.c')
-rw-r--r--drivers/net/i40e/i40e_rxtx_vec_sse.c38
1 files changed, 31 insertions, 7 deletions
diff --git a/drivers/net/i40e/i40e_rxtx_vec_sse.c b/drivers/net/i40e/i40e_rxtx_vec_sse.c
index 3b4a352e..779f14e5 100644
--- a/drivers/net/i40e/i40e_rxtx_vec_sse.c
+++ b/drivers/net/i40e/i40e_rxtx_vec_sse.c
@@ -87,6 +87,8 @@ i40e_rxq_rearm(struct i40e_rx_queue *rxq)
mb1 = rxep[1].mbuf;
/* load buf_addr(lo 64bit) and buf_physaddr(hi 64bit) */
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, buf_physaddr) !=
+ offsetof(struct rte_mbuf, buf_addr) + 8);
vaddr0 = _mm_loadu_si128((__m128i *)&mb0->buf_addr);
vaddr1 = _mm_loadu_si128((__m128i *)&mb1->buf_addr);
@@ -117,7 +119,7 @@ i40e_rxq_rearm(struct i40e_rx_queue *rxq)
}
static inline void
-desc_to_olflags_v(struct i40e_rx_queue *rxq, __m128i descs[4] __rte_unused,
+desc_to_olflags_v(struct i40e_rx_queue *rxq, __m128i descs[4],
struct rte_mbuf **rx_pkts)
{
const __m128i mbuf_init = _mm_set_epi64x(0, rxq->mbuf_initializer);
@@ -203,6 +205,12 @@ desc_to_olflags_v(struct i40e_rx_queue *rxq, __m128i descs[4] __rte_unused,
rearm1 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(vlan0, 4), 0x10);
rearm2 = _mm_blend_epi16(mbuf_init, vlan0, 0x10);
rearm3 = _mm_blend_epi16(mbuf_init, _mm_srli_si128(vlan0, 4), 0x10);
+
+ /* write the rearm data and the olflags in one write */
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
+ offsetof(struct rte_mbuf, rearm_data) + 8);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, rearm_data) !=
+ RTE_ALIGN(offsetof(struct rte_mbuf, rearm_data), 16));
_mm_store_si128((__m128i *)&rx_pkts[0]->rearm_data, rearm0);
_mm_store_si128((__m128i *)&rx_pkts[1]->rearm_data, rearm1);
_mm_store_si128((__m128i *)&rx_pkts[2]->rearm_data, rearm2);
@@ -252,6 +260,15 @@ _recv_raw_pkts_vec(struct i40e_rx_queue *rxq, struct rte_mbuf **rx_pkts,
-rxq->crc_len, /* sub crc on pkt_len */
0, 0 /* ignore pkt_type field */
);
+ /*
+ * compile-time check the above crc_adjust layout is correct.
+ * NOTE: the first field (lowest address) is given last in set_epi16
+ * call above.
+ */
+ 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);
__m128i dd_check, eop_check;
/* nb_pkts shall be less equal than RTE_I40E_MAX_RX_BURST */
@@ -296,6 +313,19 @@ _recv_raw_pkts_vec(struct i40e_rx_queue *rxq, struct rte_mbuf **rx_pkts,
0xFF, 0xFF, /* pkt_type set as unknown */
0xFF, 0xFF /*pkt_type set as unknown */
);
+ /*
+ * Compile-time verify the shuffle mask
+ * NOTE: some field positions already verified above, but duplicated
+ * here for completeness in case of future modifications.
+ */
+ 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, vlan_tci) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 10);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, hash) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 12);
/* Cache is empty -> need to scan the buffer rings, but first move
* the next 'n' mbufs into the cache
@@ -621,11 +651,5 @@ i40e_txq_vec_setup(struct i40e_tx_queue __rte_unused *txq)
int __attribute__((cold))
i40e_rx_vec_dev_conf_condition_check(struct rte_eth_dev *dev)
{
-#ifndef RTE_LIBRTE_IEEE1588
- /* need SSE4.1 support */
- if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
- return -1;
-#endif
-
return i40e_rx_vec_dev_conf_condition_check_default(dev);
}