return (rc);
}
+#if EFSYS_OPT_RX_SCALE
+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;
+ req.emr_in_length = MC_CMD_RSS_CONTEXT_ALLOC_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN;
+
+ 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, context_type);
+ /* NUM_QUEUES is only used to validate indirection table offsets */
+ 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 fail3;
+ }
+
+ if (req.emr_out_length_used < MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN) {
+ rc = EMSGSIZE;
+ 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 fail5;
+ }
+
+ *rss_contextp = rss_context;
+
+ return (0);
+
+fail5:
+ EFSYS_PROBE(fail5);
+fail4:
+ EFSYS_PROBE(fail4);
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+#endif /* EFSYS_OPT_RX_SCALE */
+
+#if EFSYS_OPT_RX_SCALE
+static efx_rc_t
+efx_mcdi_rss_context_free(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_FREE_IN_LEN,
+ MC_CMD_RSS_CONTEXT_FREE_OUT_LEN)];
+ efx_rc_t rc;
+
+ if (rss_context == EF10_RSS_CONTEXT_INVALID) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_RSS_CONTEXT_FREE;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_RSS_CONTEXT_FREE_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_RSS_CONTEXT_FREE_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, RSS_CONTEXT_FREE_IN_RSS_CONTEXT_ID, rss_context);
+
+ efx_mcdi_execute_quiet(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ 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
+static efx_rc_t
+efx_mcdi_rss_context_set_flags(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context,
+ __in efx_rx_hash_type_t type)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN,
+ MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN)];
+ efx_rc_t rc;
+
+ if (rss_context == EF10_RSS_CONTEXT_INVALID) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_FLAGS;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_FLAGS_IN_RSS_CONTEXT_ID,
+ rss_context);
+
+ MCDI_IN_POPULATE_DWORD_4(req, RSS_CONTEXT_SET_FLAGS_IN_FLAGS,
+ RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV4_EN,
+ (type & (1U << EFX_RX_HASH_IPV4)) ? 1 : 0,
+ RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV4_EN,
+ (type & (1U << EFX_RX_HASH_TCPIPV4)) ? 1 : 0,
+ RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV6_EN,
+ (type & (1U << EFX_RX_HASH_IPV6)) ? 1 : 0,
+ RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV6_EN,
+ (type & (1U << EFX_RX_HASH_TCPIPV6)) ? 1 : 0);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ 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
+static efx_rc_t
+efx_mcdi_rss_context_set_key(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context,
+ __in_ecount(n) uint8_t *key,
+ __in size_t n)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN,
+ MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN)];
+ efx_rc_t rc;
+
+ if (rss_context == EF10_RSS_CONTEXT_INVALID) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_KEY;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_KEY_IN_RSS_CONTEXT_ID,
+ rss_context);
+
+ EFSYS_ASSERT3U(n, ==, MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN);
+ if (n != MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN) {
+ rc = EINVAL;
+ goto fail2;
+ }
+
+ memcpy(MCDI_IN2(req, uint8_t, RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY),
+ key, n);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail3;
+ }
+
+ return (0);
+
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+#endif /* EFSYS_OPT_RX_SCALE */
+
+#if EFSYS_OPT_RX_SCALE
+static efx_rc_t
+efx_mcdi_rss_context_set_table(
+ __in efx_nic_t *enp,
+ __in uint32_t rss_context,
+ __in_ecount(n) unsigned int *table,
+ __in size_t n)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN,
+ MC_CMD_RSS_CONTEXT_SET_TABLE_OUT_LEN)];
+ uint8_t *req_table;
+ int i, rc;
+
+ if (rss_context == EF10_RSS_CONTEXT_INVALID) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_TABLE;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_TABLE_OUT_LEN;
+
+ MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_TABLE_IN_RSS_CONTEXT_ID,
+ rss_context);
+
+ req_table =
+ MCDI_IN2(req, uint8_t, RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE);
+
+ for (i = 0;
+ i < MC_CMD_RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE_LEN;
+ i++) {
+ req_table[i] = (n > 0) ? (uint8_t)table[i % n] : 0;
+ }
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail2;
+ }
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+#endif /* EFSYS_OPT_RX_SCALE */
+
__checkReturn efx_rc_t
ef10_rx_init(
__in efx_nic_t *enp)
{
+#if EFSYS_OPT_RX_SCALE
+
+ 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.
+ */
+ enp->en_rss_support = EFX_RX_SCALE_EXCLUSIVE;
+ enp->en_hash_support = EFX_RX_HASH_AVAILABLE;
+ } else {
+ /*
+ * Failed to allocate an exclusive RSS context. Continue
+ * operation without support for RSS. The pseudo-header in
+ * received packets will not contain a Toeplitz hash value.
+ */
+ enp->en_rss_support = EFX_RX_SCALE_UNAVAILABLE;
+ enp->en_hash_support = EFX_RX_HASH_UNAVAILABLE;
+ }
+
+#endif /* EFSYS_OPT_RX_SCALE */
return (0);
}
}
#endif /* EFSYS_OPT_RX_SCATTER */
+#if EFSYS_OPT_RX_SCALE
+ __checkReturn efx_rc_t
+ef10_rx_scale_mode_set(
+ __in efx_nic_t *enp,
+ __in efx_rx_hash_alg_t alg,
+ __in efx_rx_hash_type_t type,
+ __in boolean_t insert)
+{
+ efx_rc_t rc;
+
+ EFSYS_ASSERT3U(alg, ==, EFX_RX_HASHALG_TOEPLITZ);
+ EFSYS_ASSERT3U(insert, ==, B_TRUE);
+
+ if ((alg != EFX_RX_HASHALG_TOEPLITZ) || (insert == B_FALSE)) {
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ if (enp->en_rss_support == EFX_RX_SCALE_UNAVAILABLE) {
+ rc = ENOTSUP;
+ goto fail2;
+ }
+
+ if ((rc = efx_mcdi_rss_context_set_flags(enp,
+ enp->en_rss_context, type)) != 0)
+ goto fail3;
+
+ return (0);
+
+fail3:
+ EFSYS_PROBE(fail3);
+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
+ef10_rx_scale_key_set(
+ __in efx_nic_t *enp,
+ __in_ecount(n) uint8_t *key,
+ __in size_t n)
+{
+ efx_rc_t rc;
+
+ if (enp->en_rss_support == EFX_RX_SCALE_UNAVAILABLE) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+
+ if ((rc = efx_mcdi_rss_context_set_key(enp,
+ enp->en_rss_context, key, n)) != 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
+ef10_rx_scale_tbl_set(
+ __in efx_nic_t *enp,
+ __in_ecount(n) unsigned int *table,
+ __in size_t n)
+{
+ efx_rc_t rc;
+
+ if (enp->en_rss_support == EFX_RX_SCALE_UNAVAILABLE) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+
+ if ((rc = efx_mcdi_rss_context_set_table(enp,
+ enp->en_rss_context, table, n)) != 0)
+ goto fail2;
+
+ return (0);
+
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+#endif /* EFSYS_OPT_RX_SCALE */
+
/*
* EF10 RX pseudo-header
return (0);
}
+#if EFSYS_OPT_RX_SCALE
+ __checkReturn uint32_t
+ef10_rx_prefix_hash(
+ __in efx_nic_t *enp,
+ __in efx_rx_hash_alg_t func,
+ __in uint8_t *buffer)
+{
+ _NOTE(ARGUNUSED(enp))
+
+ switch (func) {
+ case EFX_RX_HASHALG_TOEPLITZ:
+ return (buffer[0] |
+ (buffer[1] << 8) |
+ (buffer[2] << 16) |
+ (buffer[3] << 24));
+
+ default:
+ EFSYS_ASSERT(0);
+ return (0);
+ }
+}
+#endif /* EFSYS_OPT_RX_SCALE */
+
void
ef10_rx_qpost(
__in efx_rxq_t *erp,
ef10_rx_fini(
__in efx_nic_t *enp)
{
+#if EFSYS_OPT_RX_SCALE
+ if (enp->en_rss_support != EFX_RX_SCALE_UNAVAILABLE) {
+ (void) efx_mcdi_rss_context_free(enp, enp->en_rss_context);
+ }
+ enp->en_rss_context = 0;
+ enp->en_rss_support = EFX_RX_SCALE_UNAVAILABLE;
+#else
_NOTE(ARGUNUSED(enp))
+#endif /* EFSYS_OPT_RX_SCALE */
}
#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
git.droids-corp.org / dpdk.git / blobdiff