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

net/ixgbe: implement new Rx checksum flag

Browse Source 
Add CKSUM_GOOD flag to distinguish a good checksum from an unknown one.

Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
Acked-by: Jing Chen <jing.d.chen@intel.com>
This commit is contained in:
Xiao Wang 2016-09-06 09:27:31 +08:00 committed by Thomas Monjalon
parent 4e2e0e33b1
commit 9bc52f49fc
2 changed files with 27 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ixgbe/ixgbe_rxtx.c
View File

@ -1344,7 +1344,9 @@ rx_desc_error_to_pkt_flags(uint32_t rx_status)
* Bit 30: L4I, L4I integrity error
*/
static uint64_t error_to_pkt_flags_map[4] = {
0, PKT_RX_L4_CKSUM_BAD, PKT_RX_IP_CKSUM_BAD,
PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD,
PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD,
PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD
};
pkt_flags = error_to_pkt_flags_map[(rx_status >>

30
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
View File

@ -156,6 +156,11 @@ desc_to_olflags_v(__m128i descs[4], uint8_t vlan_flags,
0x0000, 0x0000, 0x0000, 0x0000,
0x000F, 0x000F, 0x000F, 0x000F);
/* mask the lower byte of ol_flags */
const __m128i ol_flags_msk = _mm_set_epi16(
0x0000, 0x0000, 0x0000, 0x0000,
0x00FF, 0x00FF, 0x00FF, 0x00FF);
/* map rss type to rss hash flag */
const __m128i rss_flags = _mm_set_epi8(PKT_RX_FDIR, 0, 0, 0,
0, 0, 0, PKT_RX_RSS_HASH,
@ -171,17 +176,25 @@ desc_to_olflags_v(__m128i descs[4], uint8_t vlan_flags,
IXGBE_RXD_STAT_VP, IXGBE_RXD_STAT_VP,
IXGBE_RXD_STAT_VP, IXGBE_RXD_STAT_VP);
/* map vlan present (0x8), IPE (0x2), L4E (0x1) to ol_flags */
const __m128i vlan_csum_map = _mm_set_epi8(
const __m128i vlan_csum_map_lo = _mm_set_epi8(
0, 0, 0, 0,
vlan_flags | PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD,
vlan_flags | PKT_RX_IP_CKSUM_BAD,
vlan_flags | PKT_RX_L4_CKSUM_BAD,
vlan_flags,
vlan_flags | PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
vlan_flags | PKT_RX_IP_CKSUM_GOOD,
0, 0, 0, 0,
PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD,
PKT_RX_IP_CKSUM_BAD,
PKT_RX_L4_CKSUM_BAD,
0);
PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
PKT_RX_IP_CKSUM_GOOD);
const __m128i vlan_csum_map_hi = _mm_set_epi8(
0, 0, 0, 0,
0, PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t), 0,
PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t),
0, 0, 0, 0,
0, PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t), 0,
PKT_RX_L4_CKSUM_GOOD >> sizeof(uint8_t));
ptype0 = _mm_unpacklo_epi16(descs[0], descs[1]);
ptype1 = _mm_unpacklo_epi16(descs[2], descs[3]);
@ -207,7 +220,12 @@ desc_to_olflags_v(__m128i descs[4], uint8_t vlan_flags,
vtag1 = _mm_or_si128(csum, vtag1);
/* convert VP, IPE, L4E to ol_flags */
vtag1 = _mm_shuffle_epi8(vlan_csum_map, vtag1);
vtag0 = _mm_shuffle_epi8(vlan_csum_map_hi, vtag1);
vtag0 = _mm_slli_epi16(vtag0, sizeof(uint8_t));
vtag1 = _mm_shuffle_epi8(vlan_csum_map_lo, vtag1);
vtag1 = _mm_and_si128(vtag1, ol_flags_msk);
vtag1 = _mm_or_si128(vtag0, vtag1);
vtag1 = _mm_or_si128(ptype0, vtag1);
vol.dword = _mm_cvtsi128_si64(vtag1);