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path: root/drivers/net/sfc/base/efx_rx.c
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Diffstat (limited to 'drivers/net/sfc/base/efx_rx.c')
-rw-r--r--drivers/net/sfc/base/efx_rx.c142
1 files changed, 123 insertions, 19 deletions
diff --git a/drivers/net/sfc/base/efx_rx.c b/drivers/net/sfc/base/efx_rx.c
index c8156341..785365d3 100644
--- a/drivers/net/sfc/base/efx_rx.c
+++ b/drivers/net/sfc/base/efx_rx.c
@@ -53,6 +53,7 @@ siena_rx_scatter_enable(
static __checkReturn efx_rc_t
siena_rx_scale_mode_set(
__in efx_nic_t *enp,
+ __in uint32_t rss_context,
__in efx_rx_hash_alg_t alg,
__in efx_rx_hash_type_t type,
__in boolean_t insert);
@@ -60,12 +61,14 @@ siena_rx_scale_mode_set(
static __checkReturn efx_rc_t
siena_rx_scale_key_set(
__in efx_nic_t *enp,
+ __in uint32_t rss_context,
__in_ecount(n) uint8_t *key,
__in size_t n);
static __checkReturn efx_rc_t
siena_rx_scale_tbl_set(
__in efx_nic_t *enp,
+ __in uint32_t rss_context,
__in_ecount(n) unsigned int *table,
__in size_t n);
@@ -149,6 +152,8 @@ 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 */
@@ -176,6 +181,8 @@ 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 */
@@ -304,7 +311,7 @@ fail1:
#if EFSYS_OPT_RX_SCALE
__checkReturn efx_rc_t
-efx_rx_hash_support_get(
+efx_rx_hash_default_support_get(
__in efx_nic_t *enp,
__out efx_rx_hash_support_t *supportp)
{
@@ -318,7 +325,10 @@ efx_rx_hash_support_get(
goto fail1;
}
- /* Report if resources are available to insert RX hash value */
+ /*
+ * Report the hashing support the client gets by default if it
+ * does not allocate an RSS context itself.
+ */
*supportp = enp->en_hash_support;
return (0);
@@ -330,22 +340,25 @@ fail1:
}
__checkReturn efx_rc_t
-efx_rx_scale_support_get(
+efx_rx_scale_default_support_get(
__in efx_nic_t *enp,
- __out efx_rx_scale_support_t *supportp)
+ __out efx_rx_scale_context_type_t *typep)
{
efx_rc_t rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
- if (supportp == NULL) {
+ if (typep == NULL) {
rc = EINVAL;
goto fail1;
}
- /* Report if resources are available to support RSS */
- *supportp = enp->en_rss_support;
+ /*
+ * Report the RSS support the client gets by default if it
+ * does not allocate an RSS context itself.
+ */
+ *typep = enp->en_rss_context_type;
return (0);
@@ -354,10 +367,75 @@ 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,
+ __in uint32_t rss_context,
__in efx_rx_hash_alg_t alg,
__in efx_rx_hash_type_t type,
__in boolean_t insert)
@@ -369,7 +447,7 @@ efx_rx_scale_mode_set(
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
if (erxop->erxo_scale_mode_set != NULL) {
- if ((rc = erxop->erxo_scale_mode_set(enp, alg,
+ if ((rc = erxop->erxo_scale_mode_set(enp, rss_context, alg,
type, insert)) != 0)
goto fail1;
}
@@ -386,6 +464,7 @@ fail1:
__checkReturn efx_rc_t
efx_rx_scale_key_set(
__in efx_nic_t *enp,
+ __in uint32_t rss_context,
__in_ecount(n) uint8_t *key,
__in size_t n)
{
@@ -395,7 +474,7 @@ efx_rx_scale_key_set(
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
- if ((rc = erxop->erxo_scale_key_set(enp, key, n)) != 0)
+ if ((rc = erxop->erxo_scale_key_set(enp, rss_context, key, n)) != 0)
goto fail1;
return (0);
@@ -411,6 +490,7 @@ fail1:
__checkReturn efx_rc_t
efx_rx_scale_tbl_set(
__in efx_nic_t *enp,
+ __in uint32_t rss_context,
__in_ecount(n) unsigned int *table,
__in size_t n)
{
@@ -420,7 +500,7 @@ efx_rx_scale_tbl_set(
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
- if ((rc = erxop->erxo_scale_tbl_set(enp, table, n)) != 0)
+ if ((rc = erxop->erxo_scale_tbl_set(enp, rss_context, table, n)) != 0)
goto fail1;
return (0);
@@ -654,7 +734,7 @@ siena_rx_init(
#if EFSYS_OPT_RX_SCALE
/* The RSS key and indirection table are writable. */
- enp->en_rss_support = EFX_RX_SCALE_EXCLUSIVE;
+ enp->en_rss_context_type = EFX_RX_SCALE_EXCLUSIVE;
/* Hardware can insert RX hash with/without RSS */
enp->en_hash_support = EFX_RX_HASH_AVAILABLE;
@@ -773,12 +853,18 @@ fail1:
static __checkReturn efx_rc_t
siena_rx_scale_mode_set(
__in efx_nic_t *enp,
+ __in uint32_t rss_context,
__in efx_rx_hash_alg_t alg,
__in efx_rx_hash_type_t type,
__in boolean_t insert)
{
efx_rc_t rc;
+ if (rss_context != EFX_RSS_CONTEXT_DEFAULT) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
switch (alg) {
case EFX_RX_HASHALG_LFSR:
EFX_RX_LFSR_HASH(enp, insert);
@@ -794,17 +880,19 @@ siena_rx_scale_mode_set(
type & EFX_RX_HASH_TCPIPV6,
rc);
if (rc != 0)
- goto fail1;
+ goto fail2;
break;
default:
rc = EINVAL;
- goto fail2;
+ goto fail3;
}
return (0);
+fail3:
+ EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
@@ -820,6 +908,7 @@ fail1:
static __checkReturn efx_rc_t
siena_rx_scale_key_set(
__in efx_nic_t *enp,
+ __in uint32_t rss_context,
__in_ecount(n) uint8_t *key,
__in size_t n)
{
@@ -828,6 +917,11 @@ siena_rx_scale_key_set(
unsigned int offset;
efx_rc_t rc;
+ if (rss_context != EFX_RSS_CONTEXT_DEFAULT) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
byte = 0;
/* Write Toeplitz IPv4 hash key */
@@ -848,7 +942,7 @@ siena_rx_scale_key_set(
--offset) {
if (oword.eo_u8[offset - 1] != key[byte++]) {
rc = EFAULT;
- goto fail1;
+ goto fail2;
}
}
@@ -897,7 +991,7 @@ siena_rx_scale_key_set(
--offset) {
if (oword.eo_u8[offset - 1] != key[byte++]) {
rc = EFAULT;
- goto fail2;
+ goto fail3;
}
}
@@ -909,7 +1003,7 @@ siena_rx_scale_key_set(
--offset) {
if (oword.eo_u8[offset - 1] != key[byte++]) {
rc = EFAULT;
- goto fail3;
+ goto fail4;
}
}
@@ -921,13 +1015,15 @@ siena_rx_scale_key_set(
--offset) {
if (oword.eo_u8[offset - 1] != key[byte++]) {
rc = EFAULT;
- goto fail4;
+ goto fail5;
}
}
done:
return (0);
+fail5:
+ EFSYS_PROBE(fail5);
fail4:
EFSYS_PROBE(fail4);
fail3:
@@ -945,6 +1041,7 @@ fail1:
static __checkReturn efx_rc_t
siena_rx_scale_tbl_set(
__in efx_nic_t *enp,
+ __in uint32_t rss_context,
__in_ecount(n) unsigned int *table,
__in size_t n)
{
@@ -955,11 +1052,16 @@ siena_rx_scale_tbl_set(
EFX_STATIC_ASSERT(EFX_RSS_TBL_SIZE == FR_BZ_RX_INDIRECTION_TBL_ROWS);
EFX_STATIC_ASSERT(EFX_MAXRSS == (1 << FRF_BZ_IT_QUEUE_WIDTH));
- if (n > FR_BZ_RX_INDIRECTION_TBL_ROWS) {
+ if (rss_context != EFX_RSS_CONTEXT_DEFAULT) {
rc = EINVAL;
goto fail1;
}
+ if (n > FR_BZ_RX_INDIRECTION_TBL_ROWS) {
+ rc = EINVAL;
+ goto fail2;
+ }
+
for (index = 0; index < FR_BZ_RX_INDIRECTION_TBL_ROWS; index++) {
uint32_t byte;
@@ -988,12 +1090,14 @@ siena_rx_scale_tbl_set(
/* Verify the entry */
if (EFX_OWORD_FIELD(oword, FRF_BZ_IT_QUEUE) != byte) {
rc = EFAULT;
- goto fail2;
+ goto fail3;
}
}
return (0);
+fail3:
+ EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1: