net/mlx5: fix initialization of steering registers
[dpdk.git] / drivers / net / sfc / base / ef10_filter.c
index 5033ff7..12c84a5 100644 (file)
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2007-2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2020 Xilinx, Inc.
+ * Copyright(c) 2007-2019 Solarflare Communications Inc.
  */
 
 #include "efx.h"
@@ -1161,7 +1161,8 @@ ef10_filter_delete(
                i = (hash + depth) & (EFX_EF10_FILTER_TBL_ROWS - 1);
                saved_spec = ef10_filter_entry_spec(table, i);
                if (saved_spec && ef10_filter_equal(spec, saved_spec) &&
-                   ef10_filter_same_dest(spec, saved_spec)) {
+                   ef10_filter_same_dest(spec, saved_spec) &&
+                   saved_spec->efs_priority == EFX_FILTER_PRI_MANUAL) {
                        break;
                }
                if (depth == EF10_FILTER_SEARCH_LIMIT) {
@@ -1761,6 +1762,7 @@ ef10_filter_remove_all_existing_filters(
        __in                            efx_nic_t *enp)
 {
        ef10_filter_table_t *table = enp->en_filter.ef_ef10_filter_table;
+       efx_port_t *epp = &(enp->en_port);
        unsigned int i;
 
        for (i = 0; i < table->eft_unicst_filter_count; i++) {
@@ -1780,6 +1782,9 @@ ef10_filter_remove_all_existing_filters(
                                table->eft_encap_filter_indexes[i]);
        }
        table->eft_encap_filter_count = 0;
+
+       epp->ep_all_unicst_inserted = B_FALSE;
+       epp->ep_all_mulcst_inserted = B_FALSE;
 }
 
 static                 void
@@ -1803,6 +1808,146 @@ ef10_filter_mark_old_filters(
        }
 }
 
+static __checkReturn   efx_rc_t
+ef10_filter_insert_renew_unicst_filters(
+       __in                            efx_nic_t *enp,
+       __in_ecount(6)                  uint8_t const *mac_addr,
+       __in                            boolean_t all_unicst,
+       __in                            efx_filter_flags_t filter_flags,
+       __out                           boolean_t *all_unicst_inserted)
+{
+       ef10_filter_table_t *table = enp->en_filter.ef_ef10_filter_table;
+       efx_port_t *epp = &(enp->en_port);
+       efx_rc_t rc;
+
+       /*
+        * Firmware does not perform chaining on unicast filters. As traffic is
+        * therefore only delivered to the first matching filter, we should
+        * always insert the specific filter for our MAC address, to try and
+        * ensure we get that traffic.
+        *
+        * (If the filter for our MAC address has already been inserted by
+        * another function, we won't receive traffic sent to us, even if we
+        * insert a unicast mismatch filter. To prevent traffic stealing, this
+        * therefore relies on the privilege model only allowing functions to
+        * insert filters for their own MAC address unless explicitly given
+        * additional privileges by the user. This also means that, even on a
+        * privileged function, inserting a unicast mismatch filter may not
+        * catch all traffic in multi PCI function scenarios.)
+        */
+       table->eft_unicst_filter_count = 0;
+       rc = ef10_filter_insert_unicast(enp, mac_addr, filter_flags);
+       *all_unicst_inserted = B_FALSE;
+       if (all_unicst || (rc != 0)) {
+               efx_rc_t all_unicst_rc;
+
+               all_unicst_rc = ef10_filter_insert_all_unicast(enp,
+                                                   filter_flags);
+               if (all_unicst_rc == 0) {
+                       *all_unicst_inserted = B_TRUE;
+                       epp->ep_all_unicst_inserted = B_TRUE;
+               } else if (rc != 0)
+                       goto fail1;
+       }
+
+       return (0);
+
+fail1:
+       EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+       return (rc);
+}
+
+static __checkReturn   efx_rc_t
+ef10_filter_insert_renew_mulcst_filters(
+       __in                            efx_nic_t *enp,
+       __in                            boolean_t mulcst,
+       __in                            boolean_t all_mulcst,
+       __in                            boolean_t brdcst,
+       __in_ecount(6*count)            uint8_t const *addrs,
+       __in                            uint32_t count,
+       __in                            efx_filter_flags_t filter_flags,
+       __in                            boolean_t all_unicst_inserted,
+       __out                           boolean_t *all_mulcst_inserted)
+{
+       ef10_filter_table_t *table = enp->en_filter.ef_ef10_filter_table;
+       efx_nic_cfg_t *encp = &enp->en_nic_cfg;
+       efx_port_t *epp = &(enp->en_port);
+       efx_rc_t rc;
+
+       *all_mulcst_inserted = B_FALSE;
+
+       if (all_mulcst == B_TRUE) {
+               efx_rc_t all_mulcst_rc;
+
+               /*
+                * Insert the all multicast filter. If that fails, try to insert
+                * all of our multicast filters (but without rollback on
+                * failure).
+                */
+               all_mulcst_rc = ef10_filter_insert_all_multicast(enp,
+                                                           filter_flags);
+               if (all_mulcst_rc == 0) {
+                       epp->ep_all_mulcst_inserted = B_TRUE;
+                       *all_mulcst_inserted = B_TRUE;
+               } else {
+                       rc = ef10_filter_insert_multicast_list(enp, B_TRUE,
+                           brdcst, addrs, count, filter_flags, B_FALSE);
+                       if (rc != 0)
+                               goto fail1;
+               }
+       } else {
+               /*
+                * Insert filters for multicast addresses.
+                * If any insertion fails, then rollback and try to insert the
+                * all multicast filter instead.
+                * If that also fails, try to insert all of the multicast
+                * filters (but without rollback on failure).
+                */
+               rc = ef10_filter_insert_multicast_list(enp, mulcst, brdcst,
+                           addrs, count, filter_flags, B_TRUE);
+               if (rc != 0) {
+                       if ((table->eft_using_all_mulcst == B_FALSE) &&
+                           (encp->enc_bug26807_workaround == B_TRUE)) {
+                               /*
+                                * Multicast filter chaining is on, so remove
+                                * old filters before inserting the multicast
+                                * all filter to avoid duplicate delivery caused
+                                * by packets matching multiple filters.
+                                */
+                               ef10_filter_remove_old(enp);
+                               if (all_unicst_inserted == B_FALSE)
+                                       epp->ep_all_unicst_inserted = B_FALSE;
+                               if (*all_mulcst_inserted == B_FALSE)
+                                       epp->ep_all_mulcst_inserted = B_FALSE;
+                       }
+
+                       rc = ef10_filter_insert_all_multicast(enp,
+                                                           filter_flags);
+                       if (rc == 0) {
+                               epp->ep_all_mulcst_inserted = B_TRUE;
+                               *all_mulcst_inserted = B_TRUE;
+                       } else {
+                               rc = ef10_filter_insert_multicast_list(enp,
+                                   mulcst, brdcst,
+                                   addrs, count, filter_flags, B_FALSE);
+                               if (rc != 0)
+                                       goto fail2;
+                       }
+               }
+       }
+
+       return (0);
+
+fail2:
+       EFSYS_PROBE1(fail2, efx_rc_t, rc);
+
+fail1:
+       EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+       return (rc);
+}
+
 /*
  * Reconfigure all filters.
  * If all_unicst and/or all mulcst filters cannot be applied then
@@ -1821,11 +1966,12 @@ ef10_filter_reconfigure(
        __in                            uint32_t count)
 {
        efx_nic_cfg_t *encp = &enp->en_nic_cfg;
+       efx_port_t *epp = &(enp->en_port);
        ef10_filter_table_t *table = enp->en_filter.ef_ef10_filter_table;
        efx_filter_flags_t filter_flags;
        unsigned int i;
-       efx_rc_t all_unicst_rc = 0;
-       efx_rc_t all_mulcst_rc = 0;
+       boolean_t all_unicst_inserted = B_FALSE;
+       boolean_t all_mulcst_inserted = B_FALSE;
        efx_rc_t rc;
 
        if (table->eft_default_rxq == NULL) {
@@ -1847,31 +1993,12 @@ ef10_filter_reconfigure(
        /* Mark old filters which may need to be removed */
        ef10_filter_mark_old_filters(enp);
 
-       /*
-        * Insert or renew unicast filters.
-        *
-        * Firmware does not perform chaining on unicast filters. As traffic is
-        * therefore only delivered to the first matching filter, we should
-        * always insert the specific filter for our MAC address, to try and
-        * ensure we get that traffic.
-        *
-        * (If the filter for our MAC address has already been inserted by
-        * another function, we won't receive traffic sent to us, even if we
-        * insert a unicast mismatch filter. To prevent traffic stealing, this
-        * therefore relies on the privilege model only allowing functions to
-        * insert filters for their own MAC address unless explicitly given
-        * additional privileges by the user. This also means that, even on a
-        * priviliged function, inserting a unicast mismatch filter may not
-        * catch all traffic in multi PCI function scenarios.)
-        */
-       table->eft_unicst_filter_count = 0;
-       rc = ef10_filter_insert_unicast(enp, mac_addr, filter_flags);
-       if (all_unicst || (rc != 0)) {
-               all_unicst_rc = ef10_filter_insert_all_unicast(enp,
-                                                   filter_flags);
-               if ((rc != 0) && (all_unicst_rc != 0))
-                       goto fail1;
-       }
+       /* Insert or renew unicast filters */
+       rc = ef10_filter_insert_renew_unicst_filters(enp, mac_addr, all_unicst,
+                                                    filter_flags,
+                                                    &all_unicst_inserted);
+       if (rc != 0)
+               goto fail1;
 
        /*
         * WORKAROUND_BUG26807 controls firmware support for chained multicast
@@ -1912,56 +2039,20 @@ ef10_filter_reconfigure(
                 * multicast filters.
                 */
                ef10_filter_remove_old(enp);
+               if (all_unicst_inserted == B_FALSE)
+                       epp->ep_all_unicst_inserted = B_FALSE;
+
+               epp->ep_all_mulcst_inserted = B_FALSE;
        }
 
        /* Insert or renew multicast filters */
-       if (all_mulcst == B_TRUE) {
-               /*
-                * Insert the all multicast filter. If that fails, try to insert
-                * all of our multicast filters (but without rollback on
-                * failure).
-                */
-               all_mulcst_rc = ef10_filter_insert_all_multicast(enp,
-                                                           filter_flags);
-               if (all_mulcst_rc != 0) {
-                       rc = ef10_filter_insert_multicast_list(enp, B_TRUE,
-                           brdcst, addrs, count, filter_flags, B_FALSE);
-                       if (rc != 0)
-                               goto fail3;
-               }
-       } else {
-               /*
-                * Insert filters for multicast addresses.
-                * If any insertion fails, then rollback and try to insert the
-                * all multicast filter instead.
-                * If that also fails, try to insert all of the multicast
-                * filters (but without rollback on failure).
-                */
-               rc = ef10_filter_insert_multicast_list(enp, mulcst, brdcst,
-                           addrs, count, filter_flags, B_TRUE);
-               if (rc != 0) {
-                       if ((table->eft_using_all_mulcst == B_FALSE) &&
-                           (encp->enc_bug26807_workaround == B_TRUE)) {
-                               /*
-                                * Multicast filter chaining is on, so remove
-                                * old filters before inserting the multicast
-                                * all filter to avoid duplicate delivery caused
-                                * by packets matching multiple filters.
-                                */
-                               ef10_filter_remove_old(enp);
-                       }
-
-                       rc = ef10_filter_insert_all_multicast(enp,
-                                                           filter_flags);
-                       if (rc != 0) {
-                               rc = ef10_filter_insert_multicast_list(enp,
-                                   mulcst, brdcst,
-                                   addrs, count, filter_flags, B_FALSE);
-                               if (rc != 0)
-                                       goto fail4;
-                       }
-               }
-       }
+       rc = ef10_filter_insert_renew_mulcst_filters(enp, mulcst, all_mulcst,
+                                                    brdcst, addrs, count,
+                                                    filter_flags,
+                                                    all_unicst_inserted,
+                                                    &all_mulcst_inserted);
+       if (rc != 0)
+               goto fail3;
 
        if (encp->enc_tunnel_encapsulations_supported != 0) {
                /* Try to insert filters for encapsulated packets. */
@@ -1972,17 +2063,19 @@ ef10_filter_reconfigure(
 
        /* Remove old filters which were not renewed */
        ef10_filter_remove_old(enp);
+       if (all_unicst_inserted == B_FALSE)
+               epp->ep_all_unicst_inserted = B_FALSE;
+       if (all_mulcst_inserted == B_FALSE)
+               epp->ep_all_mulcst_inserted = B_FALSE;
 
        /* report if any optional flags were rejected */
-       if (((all_unicst != B_FALSE) && (all_unicst_rc != 0)) ||
-           ((all_mulcst != B_FALSE) && (all_mulcst_rc != 0))) {
+       if (((all_unicst != B_FALSE) && (all_unicst_inserted == B_FALSE)) ||
+           ((all_mulcst != B_FALSE) && (all_mulcst_inserted == B_FALSE))) {
                rc = ENOTSUP;
        }
 
        return (rc);
 
-fail4:
-       EFSYS_PROBE(fail4);
 fail3:
        EFSYS_PROBE(fail3);
 fail2: