net/ice: fix flow FDIR/switch memory leak
[dpdk.git] / drivers / net / ice / ice_hash.c
index 346d6cf..d891538 100644 (file)
@@ -25,8 +25,6 @@
 #include "ice_ethdev.h"
 #include "ice_generic_flow.h"
 
-#define ICE_ACTION_RSS_MAX_QUEUE_NUM 32
-
 struct rss_type_match_hdr {
        uint32_t hdr_mask;
        uint64_t eth_rss_hint;
@@ -43,6 +41,11 @@ struct rss_meta {
        uint8_t hash_function;
 };
 
+struct ice_hash_flow_cfg {
+       bool simple_xor;
+       struct ice_rss_cfg rss_cfg;
+};
+
 static int
 ice_hash_init(struct ice_adapter *ad);
 
@@ -117,22 +120,22 @@ static struct ice_pattern_match_item ice_hash_pattern_list_os[] = {
 
 /* Supported pattern for comms package. */
 static struct ice_pattern_match_item ice_hash_pattern_list_comms[] = {
-       {pattern_eth_ipv4,               ICE_INSET_NONE,  &hint_1},
-       {pattern_eth_ipv4_udp,           ICE_INSET_NONE,  &hint_2},
-       {pattern_eth_ipv4_tcp,           ICE_INSET_NONE,  &hint_3},
-       {pattern_eth_ipv4_sctp,          ICE_INSET_NONE,  &hint_4},
-       {pattern_eth_ipv6,               ICE_INSET_NONE,  &hint_5},
-       {pattern_eth_ipv6_udp,           ICE_INSET_NONE,  &hint_6},
-       {pattern_eth_ipv6_tcp,           ICE_INSET_NONE,  &hint_7},
-       {pattern_eth_ipv6_sctp,          ICE_INSET_NONE,  &hint_8},
-       {pattern_empty,                  ICE_INSET_NONE,  &hint_0},
-       {pattern_eth_ipv4_gtpu_ipv4,     ICE_INSET_NONE,  &hint_9},
-       {pattern_eth_ipv4_gtpu_ipv4_udp, ICE_INSET_NONE,  &hint_9},
-       {pattern_eth_ipv4_gtpu_ipv4_tcp, ICE_INSET_NONE,  &hint_9},
-       {pattern_eth_pppoes_ipv4,        ICE_INSET_NONE,  &hint_10},
-       {pattern_eth_pppoes_ipv4_udp,    ICE_INSET_NONE,  &hint_11},
-       {pattern_eth_pppoes_ipv4_tcp,    ICE_INSET_NONE,  &hint_12},
-       {pattern_eth_pppoes_ipv4_sctp,   ICE_INSET_NONE,  &hint_13},
+       {pattern_eth_ipv4,                  ICE_INSET_NONE,  &hint_1},
+       {pattern_eth_ipv4_udp,              ICE_INSET_NONE,  &hint_2},
+       {pattern_eth_ipv4_tcp,              ICE_INSET_NONE,  &hint_3},
+       {pattern_eth_ipv4_sctp,             ICE_INSET_NONE,  &hint_4},
+       {pattern_eth_ipv6,                  ICE_INSET_NONE,  &hint_5},
+       {pattern_eth_ipv6_udp,              ICE_INSET_NONE,  &hint_6},
+       {pattern_eth_ipv6_tcp,              ICE_INSET_NONE,  &hint_7},
+       {pattern_eth_ipv6_sctp,             ICE_INSET_NONE,  &hint_8},
+       {pattern_empty,                     ICE_INSET_NONE,  &hint_0},
+       {pattern_eth_ipv4_gtpu_eh_ipv4,     ICE_INSET_NONE,  &hint_9},
+       {pattern_eth_ipv4_gtpu_eh_ipv4_udp, ICE_INSET_NONE,  &hint_9},
+       {pattern_eth_ipv4_gtpu_eh_ipv4_tcp, ICE_INSET_NONE,  &hint_9},
+       {pattern_eth_pppoes_ipv4,           ICE_INSET_NONE,  &hint_10},
+       {pattern_eth_pppoes_ipv4_udp,       ICE_INSET_NONE,  &hint_11},
+       {pattern_eth_pppoes_ipv4_tcp,       ICE_INSET_NONE,  &hint_12},
+       {pattern_eth_pppoes_ipv4_sctp,      ICE_INSET_NONE,  &hint_13},
 };
 
 /**
@@ -244,6 +247,8 @@ ice_hash_init(struct ice_adapter *ad)
                parser = &ice_hash_parser_os;
        else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
                parser = &ice_hash_parser_comms;
+       else
+               return -EINVAL;
 
        return ice_register_parser(parser, ad);
 }
@@ -333,15 +338,15 @@ ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
                                        RTE_FLOW_ERROR_TYPE_ACTION, action,
                                        "a nonzero RSS encapsulation level is not supported");
 
-                       if (rss->key_len == 0)
+                       if (rss->key_len)
                                return rte_flow_error_set(error, ENOTSUP,
                                        RTE_FLOW_ERROR_TYPE_ACTION, action,
-                                       "RSS hash key_len mustn't be 0");
+                                       "a nonzero RSS key_len is not supported");
 
-                       if (rss->queue_num > ICE_ACTION_RSS_MAX_QUEUE_NUM)
+                       if (rss->queue)
                                return rte_flow_error_set(error, ENOTSUP,
                                        RTE_FLOW_ERROR_TYPE_ACTION, action,
-                                       "too many queues for RSS context");
+                                       "a non-NULL RSS queue is not supported");
 
                        /* Check hash function and save it to rss_meta. */
                        if (rss->func ==
@@ -404,7 +409,7 @@ ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
                        void **meta,
                        struct rte_flow_error *error)
 {
-       int ret = 0;
+       int ret = -rte_errno;
        struct ice_pattern_match_item *pattern_match_item;
        struct rss_meta *rss_meta_ptr;
 
@@ -420,11 +425,11 @@ ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
        pattern_match_item = ice_search_pattern_match_item(pattern,
                                        array, array_len, error);
        if (!pattern_match_item)
-               return -rte_errno;
+               goto error;
 
        ret = ice_hash_check_inset(pattern, error);
        if (ret)
-               return -rte_errno;
+               goto error;
 
        /* Save protocol header to rss_meta. */
        *meta = rss_meta_ptr;
@@ -433,12 +438,12 @@ ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
 
        /* Check rss action. */
        ret = ice_hash_parse_action(pattern_match_item, actions, meta, error);
+error:
        if (ret)
-               return -rte_errno;
-
+               rte_free(rss_meta_ptr);
        rte_free(pattern_match_item);
 
-       return 0;
+       return ret;
 }
 
 static int
@@ -452,14 +457,14 @@ ice_hash_create(struct ice_adapter *ad,
        struct ice_vsi *vsi = pf->main_vsi;
        int ret;
        uint32_t reg;
-       struct ice_rss_cfg *filter_ptr;
+       struct ice_hash_flow_cfg *filter_ptr;
 
        uint32_t headermask = ((struct rss_meta *)meta)->pkt_hdr;
        uint64_t hash_field = ((struct rss_meta *)meta)->hash_flds;
        uint8_t hash_function = ((struct rss_meta *)meta)->hash_function;
 
        filter_ptr = rte_zmalloc("ice_rss_filter",
-                               sizeof(struct ice_rss_cfg), 0);
+                               sizeof(struct ice_hash_flow_cfg), 0);
        if (!filter_ptr) {
                rte_flow_error_set(error, EINVAL,
                                RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
@@ -474,19 +479,20 @@ ice_hash_create(struct ice_adapter *ad,
                        (2 << VSIQF_HASH_CTL_HASH_SCHEME_S);
                ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
 
-               filter_ptr->symm = 0;
+               filter_ptr->simple_xor = 1;
 
                goto out;
-       } else if (hash_function == RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
-               ret = ice_add_rss_cfg(hw, vsi->idx, hash_field, headermask, 1);
-               if (ret) {
-                       rte_flow_error_set(error, EINVAL,
-                                       RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
-                                       "rss flow create fail");
-                       goto error;
-               }
        } else {
-               ret = ice_add_rss_cfg(hw, vsi->idx, hash_field, headermask, 0);
+               filter_ptr->rss_cfg.packet_hdr = headermask;
+               filter_ptr->rss_cfg.hashed_flds = hash_field;
+               filter_ptr->rss_cfg.symm =
+                       (hash_function ==
+                               RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ);
+
+               ret = ice_add_rss_cfg(hw, vsi->idx,
+                               filter_ptr->rss_cfg.hashed_flds,
+                               filter_ptr->rss_cfg.packet_hdr,
+                               filter_ptr->rss_cfg.symm);
                if (ret) {
                        rte_flow_error_set(error, EINVAL,
                                        RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
@@ -495,9 +501,6 @@ ice_hash_create(struct ice_adapter *ad,
                }
        }
 
-       filter_ptr->packet_hdr = headermask;
-       filter_ptr->hashed_flds = hash_field;
-
 out:
        flow->rule = filter_ptr;
        rte_free(meta);
@@ -519,19 +522,26 @@ ice_hash_destroy(struct ice_adapter *ad,
        struct ice_vsi *vsi = pf->main_vsi;
        int ret;
        uint32_t reg;
-       struct ice_rss_cfg *filter_ptr;
+       struct ice_hash_flow_cfg *filter_ptr;
 
-       filter_ptr = (struct ice_rss_cfg *)flow->rule;
+       filter_ptr = (struct ice_hash_flow_cfg *)flow->rule;
 
-       if (filter_ptr->symm == 0) {
+       if (filter_ptr->simple_xor == 1) {
                /* Return to symmetric_toeplitz state. */
                reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
                reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
                        (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
                ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
        } else {
-               ret = ice_rem_vsi_rss_cfg(hw, vsi->idx);
-               if (ret) {
+               ret = ice_rem_rss_cfg(hw, vsi->idx,
+                               filter_ptr->rss_cfg.hashed_flds,
+                               filter_ptr->rss_cfg.packet_hdr);
+               /* Fixme: Ignore the error if a rule does not exist.
+                * Currently a rule for inputset change or symm turn on/off
+                * will overwrite an exist rule, while application still
+                * have 2 rte_flow handles.
+                **/
+               if (ret && ret != ICE_ERR_DOES_NOT_EXIST) {
                        rte_flow_error_set(error, EINVAL,
                                        RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
                                        "rss flow destroy fail");