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net/sfc: fix mark support in EF100 native Rx datapath

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Decouple user mark from user flag. Usage of mark does not require to
use flag as well. Flag is not actually supported yet.

Fixes: 1aacc3d388 ("net/sfc: support user mark and flag Rx for EF100")
Cc: stable@dpdk.org

Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
Reviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>
This commit is contained in:
Andrew Rybchenko 2021-04-28 17:17:02 +03:00 committed by Ferruh Yigit
parent 41ec42770c
commit ad82838e3c
1 changed files with 13 additions and 8 deletions
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21
drivers/net/sfc/sfc_ef100_rx.c
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@ -46,6 +46,9 @@
((_ndesc) - 1 /* head must not step on tail */ - \
1 /* Rx error */ - 1 /* flush */)
/** Invalid user mark value when the mark should be treated as unset */
#define SFC_EF100_USER_MARK_INVALID 0
struct sfc_ef100_rx_sw_desc {
struct rte_mbuf *mbuf;
};
@ -365,7 +368,6 @@ static const efx_rx_prefix_layout_t sfc_ef100_rx_prefix_layout = {
SFC_EF100_RX_PREFIX_FIELD(LENGTH, B_FALSE),
SFC_EF100_RX_PREFIX_FIELD(RSS_HASH_VALID, B_FALSE),
SFC_EF100_RX_PREFIX_FIELD(USER_FLAG, B_FALSE),
SFC_EF100_RX_PREFIX_FIELD(CLASS, B_FALSE),
SFC_EF100_RX_PREFIX_FIELD(RSS_HASH, B_FALSE),
SFC_EF100_RX_PREFIX_FIELD(USER_MARK, B_FALSE),
@ -404,12 +406,16 @@ sfc_ef100_rx_prefix_to_offloads(const struct sfc_ef100_rxq *rxq,
ESF_GZ_RX_PREFIX_RSS_HASH);
}
if ((rxq->flags & SFC_EF100_RXQ_USER_MARK) &&
EFX_TEST_OWORD_BIT(rx_prefix[0], ESF_GZ_RX_PREFIX_USER_FLAG_LBN)) {
ol_flags |= PKT_RX_FDIR_ID;
if (rxq->flags & SFC_EF100_RXQ_USER_MARK) {
uint32_t user_mark;
/* EFX_OWORD_FIELD converts little-endian to CPU */
m->hash.fdir.hi = EFX_OWORD_FIELD(rx_prefix[0],
ESF_GZ_RX_PREFIX_USER_MARK);
user_mark = EFX_OWORD_FIELD(rx_prefix[0],
ESF_GZ_RX_PREFIX_USER_MARK);
if (user_mark != SFC_EF100_USER_MARK_INVALID) {
ol_flags |= PKT_RX_FDIR_ID;
m->hash.fdir.hi = user_mark;
}
}
m->ol_flags = ol_flags;
@ -794,8 +800,7 @@ sfc_ef100_rx_qstart(struct sfc_dp_rxq *dp_rxq, unsigned int evq_read_ptr,
rxq->flags &= ~SFC_EF100_RXQ_RSS_HASH;
if ((unsup_rx_prefix_fields &
((1U << EFX_RX_PREFIX_FIELD_USER_FLAG) |
(1U << EFX_RX_PREFIX_FIELD_USER_MARK))) == 0)
(1U << EFX_RX_PREFIX_FIELD_USER_MARK)) == 0)
rxq->flags |= SFC_EF100_RXQ_USER_MARK;
else
rxq->flags &= ~SFC_EF100_RXQ_USER_MARK;