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sfxge: pass context type and num_queues to efx_mcdi_rss_context_alloc

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Submitted by:   Andy Moreton <amoreton at solarflare.com>
Reviewed by:    gnn
Sponsored by:   Solarflare Communications, Inc.
MFC after:      2 days
Differential Revision: https://reviews.freebsd.org/D4890
This commit is contained in:
Andrew Rybchenko 2016-01-12 15:33:48 +00:00
parent 339d7dad7a
commit 219e008793
1 changed files with 31 additions and 7 deletions
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38
sys/dev/sfxge/common/hunt_rx.c
View File

@ -147,14 +147,34 @@ efx_mcdi_fini_rxq(
static __checkReturn efx_rc_t
efx_mcdi_rss_context_alloc(
__in efx_nic_t *enp,
__in efx_rx_scale_support_t scale_support,
__in uint32_t num_queues,
__out uint32_t *rss_contextp)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_ALLOC_IN_LEN,
MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN)];
uint32_t rss_context;
uint32_t context_type;
efx_rc_t rc;
if (num_queues > EFX_MAXRSS) {
rc = EINVAL;
goto fail1;
}
switch (scale_support) {
case EFX_RX_SCALE_EXCLUSIVE:
context_type = MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_EXCLUSIVE;
break;
case EFX_RX_SCALE_SHARED:
context_type = MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_SHARED;
break;
default:
rc = EINVAL;
goto fail2;
}
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_RSS_CONTEXT_ALLOC;
req.emr_in_buf = payload;
@ -164,33 +184,36 @@ efx_mcdi_rss_context_alloc(
MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID,
EVB_PORT_ID_ASSIGNED);
MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_TYPE,
MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_EXCLUSIVE);
MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_TYPE, context_type);
/* NUM_QUEUES is only used to validate indirection table offsets */
MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_NUM_QUEUES, 64);
MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_NUM_QUEUES, num_queues);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
goto fail3;
}
if (req.emr_out_length_used < MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN) {
rc = EMSGSIZE;
goto fail2;
goto fail4;
}
rss_context = MCDI_OUT_DWORD(req, RSS_CONTEXT_ALLOC_OUT_RSS_CONTEXT_ID);
if (rss_context == EF10_RSS_CONTEXT_INVALID) {
rc = ENOENT;
goto fail3;
goto fail5;
}
*rss_contextp = rss_context;
return (0);
fail5:
EFSYS_PROBE(fail5);
fail4:
EFSYS_PROBE(fail4);
fail3:
EFSYS_PROBE(fail3);
fail2:
@ -420,7 +443,8 @@ ef10_rx_init(
{
#if EFSYS_OPT_RX_SCALE
if (efx_mcdi_rss_context_alloc(enp, &enp->en_rss_context) == 0) {
if (efx_mcdi_rss_context_alloc(enp, EFX_RX_SCALE_EXCLUSIVE, EFX_MAXRSS,
&enp->en_rss_context) == 0) {
/*
* Allocated an exclusive RSS context, which allows both the
* indirection table and key to be modified.