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net/sfc: discard packets with bad CRC on EF10 ESSB Rx

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Fixes: 390f9b8d82 ("net/sfc: support equal stride super-buffer Rx mode")
Cc: stable@dpdk.org

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>
This commit is contained in:
Andrew Rybchenko 2018-06-29 16:27:05 +01:00 committed by Ferruh Yigit
parent 53bf484034
commit aeeb5571ee
2 changed files with 12 additions and 1 deletions
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7
drivers/net/sfc/sfc_ef10_essb_rx.c
View File

@ -322,6 +322,12 @@ sfc_ef10_essb_rx_get_pending(struct sfc_ef10_essb_rxq *rxq,
const efx_qword_t *qwordp;
uint16_t pkt_len;
/* Buffers to be discarded have 0 in packet type */
if (unlikely(m->packet_type == 0)) {
rte_mempool_put(rxq->refill_mb_pool, m);
goto next_buf;
}
rx_pkts[n_rx_pkts++] = m;
/* Parse pseudo-header */
@ -357,6 +363,7 @@ sfc_ef10_essb_rx_get_pending(struct sfc_ef10_essb_rxq *rxq,
EFX_QWORD_FIELD(*qwordp,
ES_EZ_ESSB_RX_PREFIX_MARK);
next_buf:
m = sfc_ef10_essb_next_mbuf(rxq, m);
} while (todo_bufs-- > 0);
}

6
drivers/net/sfc/sfc_ef10_rx_ev.h
View File

@ -37,8 +37,10 @@ sfc_ef10_rx_ev_to_offloads(const efx_qword_t rx_ev, struct rte_mbuf *m,
if (unlikely(rx_ev.eq_u64[0] &
rte_cpu_to_le_64((1ull << ESF_DZ_RX_ECC_ERR_LBN) |
(1ull << ESF_DZ_RX_ECRC_ERR_LBN) |
(1ull << ESF_DZ_RX_PARSE_INCOMPLETE_LBN))))
(1ull << ESF_DZ_RX_PARSE_INCOMPLETE_LBN)))) {
/* Zero packet type is used as a marker to dicard bad packets */
goto done;
}
#if SFC_EF10_RX_EV_ENCAP_SUPPORT
switch (EFX_QWORD_FIELD(rx_ev, ESF_EZ_RX_ENCAP_HDR)) {
@ -157,6 +159,8 @@ sfc_ef10_rx_ev_to_offloads(const efx_qword_t rx_ev, struct rte_mbuf *m,
SFC_ASSERT(false);
}
SFC_ASSERT(l2_ptype != 0);
done:
m->ol_flags = ol_flags & ol_mask;
m->packet_type = tun_ptype | l2_ptype | l3_ptype | l4_ptype;