d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/iavf: support flow mark in SSE path

Browse Source 
Support Flow Director mark ID parsing from Flex
Rx descriptor in SSE path.

Signed-off-by: Leyi Rong <leyi.rong@intel.com>
Reviewed-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Leyi Rong 2020-04-20 14:16:23 +08:00 committed by Ferruh Yigit
parent d35f115ed0
commit 75c348b06a
1 changed files with 51 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
drivers/net/iavf/iavf_rxtx_vec_sse.c
View File

@ -189,6 +189,25 @@ desc_to_olflags_v(struct iavf_rx_queue *rxq, __m128i descs[4],
_mm_store_si128((__m128i *)&rx_pkts[3]->rearm_data, rearm3);
}
static inline __m128i
flex_rxd_to_fdir_flags_vec(const __m128i fdir_id0_3)
{
#define FDID_MIS_MAGIC 0xFFFFFFFF
RTE_BUILD_BUG_ON(PKT_RX_FDIR != (1 << 2));
RTE_BUILD_BUG_ON(PKT_RX_FDIR_ID != (1 << 13));
const __m128i pkt_fdir_bit = _mm_set1_epi32(PKT_RX_FDIR |
PKT_RX_FDIR_ID);
/* desc->flow_id field == 0xFFFFFFFF means fdir mismatch */
const __m128i fdir_mis_mask = _mm_set1_epi32(FDID_MIS_MAGIC);
__m128i fdir_mask = _mm_cmpeq_epi32(fdir_id0_3,
fdir_mis_mask);
/* this XOR op results to bit-reverse the fdir_mask */
fdir_mask = _mm_xor_si128(fdir_mask, fdir_mis_mask);
const __m128i fdir_flags = _mm_and_si128(fdir_mask, pkt_fdir_bit);
return fdir_flags;
}
static inline void
flex_desc_to_olflags_v(struct iavf_rx_queue *rxq, __m128i descs[4],
struct rte_mbuf **rx_pkts)
@ -267,6 +286,36 @@ flex_desc_to_olflags_v(struct iavf_rx_queue *rxq, __m128i descs[4],
/* merge the flags */
flags = _mm_or_si128(flags, rss_vlan);
if (rxq->fdir_enabled) {
const __m128i fdir_id0_1 =
_mm_unpackhi_epi32(descs[0], descs[1]);
const __m128i fdir_id2_3 =
_mm_unpackhi_epi32(descs[2], descs[3]);
const __m128i fdir_id0_3 =
_mm_unpackhi_epi64(fdir_id0_1, fdir_id2_3);
const __m128i fdir_flags =
flex_rxd_to_fdir_flags_vec(fdir_id0_3);
/* merge with fdir_flags */
flags = _mm_or_si128(flags, fdir_flags);
/* write fdir_id to mbuf */
rx_pkts[0]->hash.fdir.hi =
_mm_extract_epi32(fdir_id0_3, 0);
rx_pkts[1]->hash.fdir.hi =
_mm_extract_epi32(fdir_id0_3, 1);
rx_pkts[2]->hash.fdir.hi =
_mm_extract_epi32(fdir_id0_3, 2);
rx_pkts[3]->hash.fdir.hi =
_mm_extract_epi32(fdir_id0_3, 3);
} /* if() on fdir_enabled */
/**
* At this point, we have the 4 sets of flags in the low 16-bits
* of each 32-bit value in flags.
@ -604,7 +653,8 @@ _recv_raw_pkts_vec_flex_rxd(struct iavf_rx_queue *rxq,
const __m128i zero = _mm_setzero_si128();
/* mask to shuffle from desc. to mbuf */
const __m128i shuf_msk = _mm_set_epi8
(15, 14, 13, 12, /* octet 12~15, 32 bits rss */
(0xFF, 0xFF,
0xFF, 0xFF, /* rss not supported */
11, 10, /* octet 10~11, 16 bits vlan_macip */
5, 4, /* octet 4~5, 16 bits data_len */
0xFF, 0xFF, /* skip high 16 bits pkt_len, zero out */