New upstream version 18.08
[deb_dpdk.git] / drivers / net / sfc / base / efx_rx.c
index c0dcb75..4fd73ba 100644 (file)
@@ -107,7 +107,7 @@ siena_rx_qcreate(
        __in            unsigned int index,
        __in            unsigned int label,
        __in            efx_rxq_type_t type,
-       __in            uint32_t type_data,
+       __in            const efx_rxq_type_data_t *type_data,
        __in            efsys_mem_t *esmp,
        __in            size_t ndescs,
        __in            uint32_t id,
@@ -151,7 +151,7 @@ static const efx_rx_ops_t __efx_rx_siena_ops = {
 };
 #endif /* EFSYS_OPT_SIENA */
 
-#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
+#if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2
 static const efx_rx_ops_t __efx_rx_ef10_ops = {
        ef10_rx_init,                           /* erxo_init */
        ef10_rx_fini,                           /* erxo_fini */
@@ -178,7 +178,7 @@ static const efx_rx_ops_t __efx_rx_ef10_ops = {
        ef10_rx_qcreate,                        /* erxo_qcreate */
        ef10_rx_qdestroy,                       /* erxo_qdestroy */
 };
-#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
+#endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */
 
 
        __checkReturn   efx_rc_t
@@ -220,6 +220,12 @@ efx_rx_init(
                break;
 #endif /* EFSYS_OPT_MEDFORD */
 
+#if EFSYS_OPT_MEDFORD2
+       case EFX_FAMILY_MEDFORD2:
+               erxop = &__efx_rx_ef10_ops;
+               break;
+#endif /* EFSYS_OPT_MEDFORD2 */
+
        default:
                EFSYS_ASSERT(0);
                rc = ENOTSUP;
@@ -288,6 +294,94 @@ fail1:
 #endif /* EFSYS_OPT_RX_SCATTER */
 
 #if EFSYS_OPT_RX_SCALE
+       __checkReturn                           efx_rc_t
+efx_rx_scale_hash_flags_get(
+       __in                                    efx_nic_t *enp,
+       __in                                    efx_rx_hash_alg_t hash_alg,
+       __inout_ecount(EFX_RX_HASH_NFLAGS)      unsigned int *flags,
+       __out                                   unsigned int *nflagsp)
+{
+       efx_nic_cfg_t *encp = &enp->en_nic_cfg;
+       boolean_t l4;
+       boolean_t additional_modes;
+       unsigned int *entryp = flags;
+       efx_rc_t rc;
+
+       if (flags == NULL || nflagsp == NULL) {
+               rc = EINVAL;
+               goto fail1;
+       }
+
+       l4 = encp->enc_rx_scale_l4_hash_supported;
+       additional_modes = encp->enc_rx_scale_additional_modes_supported;
+
+#define        LIST_FLAGS(_entryp, _class, _l4_hashing, _additional_modes)     \
+       do {                                                            \
+               if (_l4_hashing) {                                      \
+                       *(_entryp++) = EFX_RX_HASH(_class, 4TUPLE);     \
+                                                                       \
+                       if (_additional_modes) {                        \
+                               *(_entryp++) =                          \
+                                   EFX_RX_HASH(_class, 2TUPLE_DST);    \
+                               *(_entryp++) =                          \
+                                   EFX_RX_HASH(_class, 2TUPLE_SRC);    \
+                       }                                               \
+               }                                                       \
+                                                                       \
+               *(_entryp++) = EFX_RX_HASH(_class, 2TUPLE);             \
+                                                                       \
+               if (_additional_modes) {                                \
+                       *(_entryp++) = EFX_RX_HASH(_class, 1TUPLE_DST); \
+                       *(_entryp++) = EFX_RX_HASH(_class, 1TUPLE_SRC); \
+               }                                                       \
+                                                                       \
+               *(_entryp++) = EFX_RX_HASH(_class, DISABLE);            \
+                                                                       \
+               _NOTE(CONSTANTCONDITION)                                \
+       } while (B_FALSE)
+
+       switch (hash_alg) {
+       case EFX_RX_HASHALG_PACKED_STREAM:
+               if ((encp->enc_rx_scale_hash_alg_mask & (1U << hash_alg)) == 0)
+                       break;
+               /* FALLTHRU */
+       case EFX_RX_HASHALG_TOEPLITZ:
+               if ((encp->enc_rx_scale_hash_alg_mask & (1U << hash_alg)) == 0)
+                       break;
+
+               LIST_FLAGS(entryp, IPV4_TCP, l4, additional_modes);
+               LIST_FLAGS(entryp, IPV6_TCP, l4, additional_modes);
+
+               if (additional_modes) {
+                       LIST_FLAGS(entryp, IPV4_UDP, l4, additional_modes);
+                       LIST_FLAGS(entryp, IPV6_UDP, l4, additional_modes);
+               }
+
+               LIST_FLAGS(entryp, IPV4, B_FALSE, additional_modes);
+               LIST_FLAGS(entryp, IPV6, B_FALSE, additional_modes);
+               break;
+
+       default:
+               rc = EINVAL;
+               goto fail2;
+       }
+
+#undef LIST_FLAGS
+
+       *nflagsp = (unsigned int)(entryp - flags);
+       EFSYS_ASSERT3U(*nflagsp, <=, EFX_RX_HASH_NFLAGS);
+
+       return (0);
+
+fail2:
+       EFSYS_PROBE(fail2);
+
+fail1:
+       EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+       return (rc);
+}
+
        __checkReturn   efx_rc_t
 efx_rx_hash_default_support_get(
        __in            efx_nic_t *enp,
@@ -419,19 +513,82 @@ efx_rx_scale_mode_set(
        __in            boolean_t insert)
 {
        const efx_rx_ops_t *erxop = enp->en_erxop;
+       unsigned int type_flags[EFX_RX_HASH_NFLAGS];
+       unsigned int type_nflags;
+       efx_rx_hash_type_t type_check;
+       unsigned int i;
        efx_rc_t rc;
 
        EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
        EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_RX);
 
+       /*
+        * Legacy flags and modern bits cannot be
+        * used at the same time in the hash type.
+        */
+       if ((type & EFX_RX_HASH_LEGACY_MASK) &&
+           (type & ~EFX_RX_HASH_LEGACY_MASK)) {
+               rc = EINVAL;
+               goto fail1;
+       }
+
+       /*
+        * Translate legacy flags to the new representation
+        * so that chip-specific handlers will consider the
+        * new flags only.
+        */
+       if (type & EFX_RX_HASH_IPV4) {
+               type |= EFX_RX_HASH(IPV4, 2TUPLE);
+               type |= EFX_RX_HASH(IPV4_TCP, 2TUPLE);
+               type |= EFX_RX_HASH(IPV4_UDP, 2TUPLE);
+       }
+
+       if (type & EFX_RX_HASH_TCPIPV4)
+               type |= EFX_RX_HASH(IPV4_TCP, 4TUPLE);
+
+       if (type & EFX_RX_HASH_IPV6) {
+               type |= EFX_RX_HASH(IPV6, 2TUPLE);
+               type |= EFX_RX_HASH(IPV6_TCP, 2TUPLE);
+               type |= EFX_RX_HASH(IPV6_UDP, 2TUPLE);
+       }
+
+       if (type & EFX_RX_HASH_TCPIPV6)
+               type |= EFX_RX_HASH(IPV6_TCP, 4TUPLE);
+
+       type &= ~EFX_RX_HASH_LEGACY_MASK;
+       type_check = type;
+
+       /*
+        * Get the list of supported hash flags and sanitise the input.
+        */
+       rc = efx_rx_scale_hash_flags_get(enp, alg, type_flags, &type_nflags);
+       if (rc != 0)
+               goto fail2;
+
+       for (i = 0; i < type_nflags; ++i) {
+               if ((type_check & type_flags[i]) == type_flags[i])
+                       type_check &= ~(type_flags[i]);
+       }
+
+       if (type_check != 0) {
+               rc = EINVAL;
+               goto fail3;
+       }
+
        if (erxop->erxo_scale_mode_set != NULL) {
                if ((rc = erxop->erxo_scale_mode_set(enp, rss_context, alg,
                            type, insert)) != 0)
-                       goto fail1;
+                       goto fail4;
        }
 
        return (0);
 
+fail4:
+       EFSYS_PROBE(fail4);
+fail3:
+       EFSYS_PROBE(fail3);
+fail2:
+       EFSYS_PROBE(fail2);
 fail1:
        EFSYS_PROBE1(fail1, efx_rc_t, rc);
        return (rc);
@@ -594,7 +751,7 @@ efx_rx_qcreate_internal(
        __in            unsigned int index,
        __in            unsigned int label,
        __in            efx_rxq_type_t type,
-       __in            uint32_t type_data,
+       __in            const efx_rxq_type_data_t *type_data,
        __in            efsys_mem_t *esmp,
        __in            size_t ndescs,
        __in            uint32_t id,
@@ -655,8 +812,8 @@ efx_rx_qcreate(
        __in            efx_evq_t *eep,
        __deref_out     efx_rxq_t **erpp)
 {
-       return efx_rx_qcreate_internal(enp, index, label, type, 0, esmp, ndescs,
-           id, flags, eep, erpp);
+       return efx_rx_qcreate_internal(enp, index, label, type, NULL,
+           esmp, ndescs, id, flags, eep, erpp);
 }
 
 #if EFSYS_OPT_RX_PACKED_STREAM
@@ -672,13 +829,71 @@ efx_rx_qcreate_packed_stream(
        __in            efx_evq_t *eep,
        __deref_out     efx_rxq_t **erpp)
 {
+       efx_rxq_type_data_t type_data;
+
+       memset(&type_data, 0, sizeof(type_data));
+
+       type_data.ertd_packed_stream.eps_buf_size = ps_buf_size;
+
        return efx_rx_qcreate_internal(enp, index, label,
-           EFX_RXQ_TYPE_PACKED_STREAM, ps_buf_size, esmp, ndescs,
+           EFX_RXQ_TYPE_PACKED_STREAM, &type_data, esmp, ndescs,
            0 /* id unused on EF10 */, EFX_RXQ_FLAG_NONE, eep, erpp);
 }
 
 #endif
 
+#if EFSYS_OPT_RX_ES_SUPER_BUFFER
+
+       __checkReturn   efx_rc_t
+efx_rx_qcreate_es_super_buffer(
+       __in            efx_nic_t *enp,
+       __in            unsigned int index,
+       __in            unsigned int label,
+       __in            uint32_t n_bufs_per_desc,
+       __in            uint32_t max_dma_len,
+       __in            uint32_t buf_stride,
+       __in            uint32_t hol_block_timeout,
+       __in            efsys_mem_t *esmp,
+       __in            size_t ndescs,
+       __in            unsigned int flags,
+       __in            efx_evq_t *eep,
+       __deref_out     efx_rxq_t **erpp)
+{
+       efx_rc_t rc;
+       efx_rxq_type_data_t type_data;
+
+       if (hol_block_timeout > EFX_RXQ_ES_SUPER_BUFFER_HOL_BLOCK_MAX) {
+               rc = EINVAL;
+               goto fail1;
+       }
+
+       memset(&type_data, 0, sizeof(type_data));
+
+       type_data.ertd_es_super_buffer.eessb_bufs_per_desc = n_bufs_per_desc;
+       type_data.ertd_es_super_buffer.eessb_max_dma_len = max_dma_len;
+       type_data.ertd_es_super_buffer.eessb_buf_stride = buf_stride;
+       type_data.ertd_es_super_buffer.eessb_hol_block_timeout =
+           hol_block_timeout;
+
+       rc = efx_rx_qcreate_internal(enp, index, label,
+           EFX_RXQ_TYPE_ES_SUPER_BUFFER, &type_data, esmp, ndescs,
+           0 /* id unused on EF10 */, flags, eep, erpp);
+       if (rc != 0)
+               goto fail2;
+
+       return (0);
+
+fail2:
+       EFSYS_PROBE(fail2);
+fail1:
+       EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+       return (rc);
+}
+
+#endif
+
+
                        void
 efx_rx_qdestroy(
        __in            efx_rxq_t *erp)
@@ -875,6 +1090,10 @@ siena_rx_scale_mode_set(
        __in            efx_rx_hash_type_t type,
        __in            boolean_t insert)
 {
+       efx_rx_hash_type_t type_ipv4 = EFX_RX_HASH(IPV4, 2TUPLE);
+       efx_rx_hash_type_t type_ipv4_tcp = EFX_RX_HASH(IPV4_TCP, 4TUPLE);
+       efx_rx_hash_type_t type_ipv6 = EFX_RX_HASH(IPV6, 2TUPLE);
+       efx_rx_hash_type_t type_ipv6_tcp = EFX_RX_HASH(IPV6_TCP, 4TUPLE);
        efx_rc_t rc;
 
        if (rss_context != EFX_RSS_CONTEXT_DEFAULT) {
@@ -889,12 +1108,12 @@ siena_rx_scale_mode_set(
 
        case EFX_RX_HASHALG_TOEPLITZ:
                EFX_RX_TOEPLITZ_IPV4_HASH(enp, insert,
-                   type & EFX_RX_HASH_IPV4,
-                   type & EFX_RX_HASH_TCPIPV4);
+                   (type & type_ipv4) == type_ipv4,
+                   (type & type_ipv4_tcp) == type_ipv4_tcp);
 
                EFX_RX_TOEPLITZ_IPV6_HASH(enp,
-                   type & EFX_RX_HASH_IPV6,
-                   type & EFX_RX_HASH_TCPIPV6,
+                   (type & type_ipv6) == type_ipv6,
+                   (type & type_ipv6_tcp) == type_ipv6_tcp,
                    rc);
                if (rc != 0)
                        goto fail2;
@@ -1320,7 +1539,7 @@ siena_rx_qcreate(
        __in            unsigned int index,
        __in            unsigned int label,
        __in            efx_rxq_type_t type,
-       __in            uint32_t type_data,
+       __in            const efx_rxq_type_data_t *type_data,
        __in            efsys_mem_t *esmp,
        __in            size_t ndescs,
        __in            uint32_t id,