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sfxge(4): control RxQ scatter using flag instead of type

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Rx scatter may be applicable to different Rx queue types.

Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D18131
This commit is contained in:
arybchik 2018-11-24 18:13:07 +00:00
parent c293a729d8
commit dbe3ebe6ec
6 changed files with 32 additions and 14 deletions
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1
sys/dev/sfxge/common/ef10_impl.h
View File

@ -982,6 +982,7 @@ ef10_rx_qcreate(
__in efsys_mem_t *esmp,
__in size_t ndescs,
__in uint32_t id,
__in unsigned int flags,
__in efx_evq_t *eep,
__in efx_rxq_t *erp);

4
sys/dev/sfxge/common/ef10_rx.c
View File

@ -954,6 +954,7 @@ ef10_rx_qcreate(
__in efsys_mem_t *esmp,
__in size_t ndescs,
__in uint32_t id,
__in unsigned int flags,
__in efx_evq_t *eep,
__in efx_rxq_t *erp)
{
@ -983,7 +984,6 @@ ef10_rx_qcreate(
switch (type) {
case EFX_RXQ_TYPE_DEFAULT:
case EFX_RXQ_TYPE_SCATTER:
ps_buf_size = 0;
break;
#if EFSYS_OPT_RX_PACKED_STREAM
@ -1027,7 +1027,7 @@ ef10_rx_qcreate(
#endif /* EFSYS_OPT_RX_PACKED_STREAM */
/* Scatter can only be disabled if the firmware supports doing so */
if (type == EFX_RXQ_TYPE_SCATTER)
if (flags & EFX_RXQ_FLAG_SCATTER)
disable_scatter = B_FALSE;
else
disable_scatter = encp->enc_rx_disable_scatter_supported;

9
sys/dev/sfxge/common/efx.h
View File

@ -2006,7 +2006,6 @@ efx_pseudo_hdr_pkt_length_get(
typedef enum efx_rxq_type_e {
EFX_RXQ_TYPE_DEFAULT,
EFX_RXQ_TYPE_SCATTER,
EFX_RXQ_TYPE_PACKED_STREAM_1M,
EFX_RXQ_TYPE_PACKED_STREAM_512K,
EFX_RXQ_TYPE_PACKED_STREAM_256K,
@ -2015,6 +2014,13 @@ typedef enum efx_rxq_type_e {
EFX_RXQ_NTYPES
} efx_rxq_type_t;
/*
* Dummy flag to be used instead of 0 to make it clear that the argument
* is receive queue flags.
*/
#define EFX_RXQ_FLAG_NONE 0x0
#define EFX_RXQ_FLAG_SCATTER 0x1
extern __checkReturn efx_rc_t
efx_rx_qcreate(
__in efx_nic_t *enp,
@ -2024,6 +2030,7 @@ efx_rx_qcreate(
__in efsys_mem_t *esmp,
__in size_t ndescs,
__in uint32_t id,
__in unsigned int flags,
__in efx_evq_t *eep,
__deref_out efx_rxq_t **erpp);

1
sys/dev/sfxge/common/efx_impl.h
View File

@ -187,6 +187,7 @@ typedef struct efx_rx_ops_s {
efx_rc_t (*erxo_qcreate)(efx_nic_t *enp, unsigned int,
unsigned int, efx_rxq_type_t,
efsys_mem_t *, size_t, uint32_t,
unsigned int,
efx_evq_t *, efx_rxq_t *);
void (*erxo_qdestroy)(efx_rxq_t *);
} efx_rx_ops_t;

27
sys/dev/sfxge/common/efx_rx.c
View File

@ -139,6 +139,7 @@ siena_rx_qcreate(
__in efsys_mem_t *esmp,
__in size_t ndescs,
__in uint32_t id,
__in unsigned int flags,
__in efx_evq_t *eep,
__in efx_rxq_t *erp);
@ -624,6 +625,7 @@ efx_rx_qcreate(
__in efsys_mem_t *esmp,
__in size_t ndescs,
__in uint32_t id,
__in unsigned int flags,
__in efx_evq_t *eep,
__deref_out efx_rxq_t **erpp)
{
@ -649,7 +651,7 @@ efx_rx_qcreate(
erp->er_esmp = esmp;
if ((rc = erxop->erxo_qcreate(enp, index, label, type, esmp, ndescs, id,
eep, erp)) != 0)
flags, eep, erp)) != 0)
goto fail2;
enp->en_rx_qcount++;
@ -1311,13 +1313,14 @@ siena_rx_qcreate(
__in efsys_mem_t *esmp,
__in size_t ndescs,
__in uint32_t id,
__in unsigned int flags,
__in efx_evq_t *eep,
__in efx_rxq_t *erp)
{
efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
efx_oword_t oword;
uint32_t size;
boolean_t jumbo;
boolean_t jumbo = B_FALSE;
efx_rc_t rc;
_NOTE(ARGUNUSED(esmp))
@ -1350,20 +1353,22 @@ siena_rx_qcreate(
switch (type) {
case EFX_RXQ_TYPE_DEFAULT:
jumbo = B_FALSE;
break;
#if EFSYS_OPT_RX_SCATTER
case EFX_RXQ_TYPE_SCATTER:
jumbo = B_TRUE;
break;
#endif /* EFSYS_OPT_RX_SCATTER */
default:
rc = EINVAL;
goto fail4;
}
if (flags & EFX_RXQ_FLAG_SCATTER) {
#if EFSYS_OPT_RX_SCATTER
jumbo = B_TRUE;
#else
rc = EINVAL;
goto fail5;
#endif /* EFSYS_OPT_RX_SCATTER */
}
/* Set up the new descriptor queue */
EFX_POPULATE_OWORD_7(oword,
FRF_AZ_RX_DESCQ_BUF_BASE_ID, id,
@ -1379,6 +1384,10 @@ siena_rx_qcreate(
return (0);
#if !EFSYS_OPT_RX_SCATTER
fail5:
EFSYS_PROBE(fail5);
#endif
fail4:
EFSYS_PROBE(fail4);
fail3:

4
sys/dev/sfxge/sfxge_rx.c
View File

@ -1037,8 +1037,8 @@ sfxge_rx_qstart(struct sfxge_softc *sc, unsigned int index)
/* Create the common code receive queue. */
if ((rc = efx_rx_qcreate(sc->enp, index, 0, EFX_RXQ_TYPE_DEFAULT,
esmp, sc->rxq_entries, rxq->buf_base_id, evq->common,
&rxq->common)) != 0)
esmp, sc->rxq_entries, rxq->buf_base_id, EFX_RXQ_FLAG_NONE,
evq->common, &rxq->common)) != 0)
goto fail;
SFXGE_EVQ_LOCK(evq);