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net/sfc: support user mark and flag Rx for EF100

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Flow rules may be used mark packets. Support delivery of mark/flag
values to user in mbuf fields.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
This commit is contained in:
Andrew Rybchenko 2020-10-13 14:45:50 +01:00 committed by Ferruh Yigit
parent 6ce88e5043
commit 1aacc3d388
1 changed files with 18 additions and 0 deletions
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18
drivers/net/sfc/sfc_ef100_rx.c
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@ -57,6 +57,7 @@ struct sfc_ef100_rxq {
#define SFC_EF100_RXQ_NOT_RUNNING 0x2
#define SFC_EF100_RXQ_EXCEPTION 0x4
#define SFC_EF100_RXQ_RSS_HASH 0x10
#define SFC_EF100_RXQ_USER_MARK 0x20
unsigned int ptr_mask;
unsigned int evq_phase_bit_shift;
unsigned int ready_pkts;
@ -351,8 +352,10 @@ 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),
#undef SFC_EF100_RX_PREFIX_FIELD
}
@ -388,6 +391,14 @@ 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;
/* EFX_OWORD_FIELD converts little-endian to CPU */
m->hash.fdir.hi = EFX_OWORD_FIELD(rx_prefix[0],
ESF_GZ_RX_PREFIX_USER_MARK);
}
m->ol_flags = ol_flags;
return true;
}
@ -760,6 +771,13 @@ sfc_ef100_rx_qstart(struct sfc_dp_rxq *dp_rxq, unsigned int evq_read_ptr,
else
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)
rxq->flags |= SFC_EF100_RXQ_USER_MARK;
else
rxq->flags &= ~SFC_EF100_RXQ_USER_MARK;
rxq->prefix_size = pinfo->erpl_length;
rxq->rearm_data = sfc_ef100_mk_mbuf_rearm_data(rxq->dp.dpq.port_id,
rxq->prefix_size);