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sfxge(4): add API to allocate and free RSS contexts

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Submitted by:   Mark Spender <mspender at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
Differential Revision:  https://reviews.freebsd.org/D18079
This commit is contained in:
arybchik 2018-11-23 09:15:32 +00:00
parent 7f6e8fadc8
commit 60bf8df9b0
5 changed files with 138 additions and 0 deletions
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12
sys/dev/sfxge/common/ef10_impl.h
View File

@ -899,6 +899,18 @@ ef10_rx_scatter_enable(
#if EFSYS_OPT_RX_SCALE
extern __checkReturn efx_rc_t
ef10_rx_scale_context_alloc(
__in efx_nic_t *enp,
__in efx_rx_scale_context_type_t type,
__in uint32_t num_queues,
__out uint32_t *rss_contextp);
extern __checkReturn efx_rc_t
ef10_rx_scale_context_free(
__in efx_nic_t *enp,
__in uint32_t rss_context);
extern __checkReturn efx_rc_t
ef10_rx_scale_mode_set(
__in efx_nic_t *enp,

42
sys/dev/sfxge/common/ef10_rx.c
View File

@ -492,6 +492,48 @@ ef10_rx_scatter_enable(
}
#endif /* EFSYS_OPT_RX_SCATTER */
#if EFSYS_OPT_RX_SCALE
__checkReturn efx_rc_t
ef10_rx_scale_context_alloc(
__in efx_nic_t *enp,
__in efx_rx_scale_context_type_t type,
__in uint32_t num_queues,
__out uint32_t *rss_contextp)
{
efx_rc_t rc;
rc = efx_mcdi_rss_context_alloc(enp, type, num_queues, rss_contextp);
if (rc != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
#endif /* EFSYS_OPT_RX_SCALE */
#if EFSYS_OPT_RX_SCALE
__checkReturn efx_rc_t
ef10_rx_scale_context_free(
__in efx_nic_t *enp,
__in uint32_t rss_context)
{
efx_rc_t rc;
rc = efx_mcdi_rss_context_free(enp, rss_context);
if (rc != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
#endif /* EFSYS_OPT_RX_SCALE */
#if EFSYS_OPT_RX_SCALE
__checkReturn efx_rc_t
ef10_rx_scale_mode_set(

12
sys/dev/sfxge/common/efx.h
View File

@ -1933,6 +1933,18 @@ efx_rx_scale_default_support_get(
__in efx_nic_t *enp,
__out efx_rx_scale_context_type_t *typep);
extern __checkReturn efx_rc_t
efx_rx_scale_context_alloc(
__in efx_nic_t *enp,
__in efx_rx_scale_context_type_t type,
__in uint32_t num_queues,
__out uint32_t *rss_contextp);
extern __checkReturn efx_rc_t
efx_rx_scale_context_free(
__in efx_nic_t *enp,
__in uint32_t rss_context);
extern __checkReturn efx_rc_t
efx_rx_scale_mode_set(
__in efx_nic_t *enp,

4
sys/dev/sfxge/common/efx_impl.h
View File

@ -156,6 +156,10 @@ typedef struct efx_rx_ops_s {
efx_rc_t (*erxo_scatter_enable)(efx_nic_t *, unsigned int);
#endif
#if EFSYS_OPT_RX_SCALE
efx_rc_t (*erxo_scale_context_alloc)(efx_nic_t *,
efx_rx_scale_context_type_t,
uint32_t, uint32_t *);
efx_rc_t (*erxo_scale_context_free)(efx_nic_t *, uint32_t);
efx_rc_t (*erxo_scale_mode_set)(efx_nic_t *, efx_rx_hash_alg_t,
efx_rx_hash_type_t, boolean_t);
efx_rc_t (*erxo_scale_key_set)(efx_nic_t *, uint8_t *, size_t);

68
sys/dev/sfxge/common/efx_rx.c
View File

@ -154,6 +154,8 @@ static const efx_rx_ops_t __efx_rx_siena_ops = {
siena_rx_scatter_enable, /* erxo_scatter_enable */
#endif
#if EFSYS_OPT_RX_SCALE
NULL, /* erxo_scale_context_alloc */
NULL, /* erxo_scale_context_free */
siena_rx_scale_mode_set, /* erxo_scale_mode_set */
siena_rx_scale_key_set, /* erxo_scale_key_set */
siena_rx_scale_tbl_set, /* erxo_scale_tbl_set */
@ -181,6 +183,8 @@ static const efx_rx_ops_t __efx_rx_ef10_ops = {
ef10_rx_scatter_enable, /* erxo_scatter_enable */
#endif
#if EFSYS_OPT_RX_SCALE
ef10_rx_scale_context_alloc, /* erxo_scale_context_alloc */
ef10_rx_scale_context_free, /* erxo_scale_context_free */
ef10_rx_scale_mode_set, /* erxo_scale_mode_set */
ef10_rx_scale_key_set, /* erxo_scale_key_set */
ef10_rx_scale_tbl_set, /* erxo_scale_tbl_set */
@ -365,7 +369,71 @@ fail1:
return (rc);
}
#endif /* EFSYS_OPT_RX_SCALE */
#if EFSYS_OPT_RX_SCALE
__checkReturn efx_rc_t
efx_rx_scale_context_alloc(
__in efx_nic_t *enp,
__in efx_rx_scale_context_type_t type,
__in uint32_t num_queues,
__out uint32_t *rss_contextp)
{
const efx_rx_ops_t *erxop = enp->en_erxop;
efx_rc_t rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
if (erxop->erxo_scale_context_alloc == NULL) {
rc = ENOTSUP;
goto fail1;
}
if ((rc = erxop->erxo_scale_context_alloc(enp, type,
num_queues, rss_contextp)) != 0) {
goto fail2;
}
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
#endif /* EFSYS_OPT_RX_SCALE */
#if EFSYS_OPT_RX_SCALE
__checkReturn efx_rc_t
efx_rx_scale_context_free(
__in efx_nic_t *enp,
__in uint32_t rss_context)
{
const efx_rx_ops_t *erxop = enp->en_erxop;
efx_rc_t rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
if (erxop->erxo_scale_context_free == NULL) {
rc = ENOTSUP;
goto fail1;
}
if ((rc = erxop->erxo_scale_context_free(enp, rss_context)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
#endif /* EFSYS_OPT_RX_SCALE */
#if EFSYS_OPT_RX_SCALE
__checkReturn efx_rc_t
efx_rx_scale_mode_set(
__in efx_nic_t *enp,