int dflt_vnic;
use_ntuple = bnxt_filter_type_check(pattern, error);
- PMD_DRV_LOG(DEBUG, "Use NTUPLE %d\n", use_ntuple);
if (use_ntuple < 0)
return use_ntuple;
+ PMD_DRV_LOG(DEBUG, "Use NTUPLE %d\n", use_ntuple);
filter->filter_type = use_ntuple ?
HWRM_CFA_NTUPLE_FILTER : HWRM_CFA_EM_FILTER;
return 0;
}
-struct bnxt_filter_info *
-bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
- struct bnxt_vnic_info *vnic)
+static struct bnxt_filter_info *
+bnxt_find_matching_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
{
- struct bnxt_filter_info *filter1, *f0;
+ struct bnxt_filter_info *mf, *f0;
struct bnxt_vnic_info *vnic0;
- int rc;
+ struct rte_flow *flow;
+ int i;
vnic0 = &bp->vnic_info[0];
f0 = STAILQ_FIRST(&vnic0->filter);
if (memcmp(f0->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN) == 0)
return f0;
+ for (i = bp->max_vnics - 1; i >= 0; i--) {
+ struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
+
+ if (vnic->fw_vnic_id == INVALID_VNIC_ID)
+ continue;
+
+ STAILQ_FOREACH(flow, &vnic->flow_list, next) {
+ mf = flow->filter;
+
+ if (mf->matching_l2_fltr_ptr)
+ continue;
+
+ if (mf->ethertype == nf->ethertype &&
+ mf->l2_ovlan == nf->l2_ovlan &&
+ mf->l2_ovlan_mask == nf->l2_ovlan_mask &&
+ mf->l2_ivlan == nf->l2_ivlan &&
+ mf->l2_ivlan_mask == nf->l2_ivlan_mask &&
+ !memcmp(mf->src_macaddr, nf->src_macaddr,
+ RTE_ETHER_ADDR_LEN) &&
+ !memcmp(mf->dst_macaddr, nf->dst_macaddr,
+ RTE_ETHER_ADDR_LEN))
+ return mf;
+ }
+ }
+ return NULL;
+}
+
+static struct bnxt_filter_info *
+bnxt_create_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
+ struct bnxt_vnic_info *vnic)
+{
+ struct bnxt_filter_info *filter1;
+ int rc;
+
/* Alloc new L2 filter.
- * This flow needs MAC filter which does not match port/l2 MAC.
+ * This flow needs MAC filter which does not match any existing
+ * L2 filters.
*/
filter1 = bnxt_get_unused_filter(bp);
if (filter1 == NULL)
bnxt_free_filter(bp, filter1);
return NULL;
}
+ filter1->l2_ref_cnt++;
return filter1;
}
+struct bnxt_filter_info *
+bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf,
+ struct bnxt_vnic_info *vnic)
+{
+ struct bnxt_filter_info *l2_filter = NULL;
+
+ l2_filter = bnxt_find_matching_l2_filter(bp, nf);
+ if (l2_filter) {
+ l2_filter->l2_ref_cnt++;
+ nf->matching_l2_fltr_ptr = l2_filter;
+ } else {
+ l2_filter = bnxt_create_l2_filter(bp, nf, vnic);
+ nf->matching_l2_fltr_ptr = NULL;
+ }
+
+ return l2_filter;
+}
+
static int bnxt_vnic_prep(struct bnxt *bp, struct bnxt_vnic_info *vnic)
{
struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
return rc;
}
+static int match_vnic_rss_cfg(struct bnxt *bp,
+ struct bnxt_vnic_info *vnic,
+ const struct rte_flow_action_rss *rss)
+{
+ unsigned int match = 0, i;
+
+ if (vnic->rx_queue_cnt != rss->queue_num)
+ return -EINVAL;
+
+ for (i = 0; i < rss->queue_num; i++) {
+ if (!bp->rx_queues[rss->queue[i]]->vnic->rx_queue_cnt &&
+ !bp->rx_queues[rss->queue[i]]->rx_started)
+ return -EINVAL;
+ }
+
+ for (i = 0; i < vnic->rx_queue_cnt; i++) {
+ int j;
+
+ for (j = 0; j < vnic->rx_queue_cnt; j++) {
+ if (bp->grp_info[rss->queue[i]].fw_grp_id ==
+ vnic->fw_grp_ids[j])
+ match++;
+ }
+ }
+
+ if (match != vnic->rx_queue_cnt) {
+ PMD_DRV_LOG(ERR,
+ "VNIC queue count %d vs queues matched %d\n",
+ match, vnic->rx_queue_cnt);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void
+bnxt_update_filter_flags_en(struct bnxt_filter_info *filter,
+ struct bnxt_filter_info *filter1,
+ int use_ntuple)
+{
+ if (!use_ntuple &&
+ !(filter->valid_flags &
+ ~(BNXT_FLOW_L2_DST_VALID_FLAG |
+ BNXT_FLOW_L2_SRC_VALID_FLAG |
+ BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
+ BNXT_FLOW_L2_INNER_DST_VALID_FLAG))) {
+ filter->flags = filter1->flags;
+ filter->enables = filter1->enables;
+ filter->filter_type = HWRM_CFA_L2_FILTER;
+ memcpy(filter->l2_addr, filter1->l2_addr, RTE_ETHER_ADDR_LEN);
+ memset(filter->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
+ filter->pri_hint = filter1->pri_hint;
+ filter->l2_filter_id_hint = filter1->l2_filter_id_hint;
+ }
+ filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
+ filter->l2_ref_cnt = filter1->l2_ref_cnt;
+ PMD_DRV_LOG(DEBUG,
+ "l2_filter: %p fw_l2_filter_id %" PRIx64 " l2_ref_cnt %u\n",
+ filter1, filter->fw_l2_filter_id, filter->l2_ref_cnt);
+}
+
static int
bnxt_validate_and_parse_flow(struct rte_eth_dev *dev,
const struct rte_flow_item pattern[],
struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
const struct rte_flow_action_queue *act_q;
const struct rte_flow_action_vf *act_vf;
+ struct bnxt_filter_info *filter1 = NULL;
+ const struct rte_flow_action_rss *rss;
struct bnxt_vnic_info *vnic, *vnic0;
- struct bnxt_filter_info *filter1;
struct bnxt_rx_queue *rxq = NULL;
int dflt_vnic, vnic_id;
- uint32_t vf = 0;
- int rc;
+ unsigned int rss_idx;
+ uint32_t vf = 0, i;
+ int rc, use_ntuple;
rc =
bnxt_validate_and_parse_flow_type(bp, attr, pattern, error, filter);
if (filter->filter_type == HWRM_CFA_EM_FILTER)
filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX;
+ use_ntuple = bnxt_filter_type_check(pattern, error);
switch (act->type) {
case RTE_FLOW_ACTION_TYPE_QUEUE:
/* Allow this flow. Redirect to a VNIC. */
PMD_DRV_LOG(DEBUG, "Group id is 0\n");
vnic_id = act_q->index;
}
- PMD_DRV_LOG(DEBUG, "VNIC found\n");
vnic = &bp->vnic_info[vnic_id];
if (vnic == NULL) {
vnic->fw_vnic_id != INVALID_HW_RING_ID)
goto use_vnic;
+ //if (!rxq ||
+ //bp->vnic_info[0].fw_grp_ids[act_q->index] !=
+ //INVALID_HW_RING_ID ||
+ //!rxq->rx_deferred_start) {
if (!rxq ||
bp->vnic_info[0].fw_grp_ids[act_q->index] !=
- INVALID_HW_RING_ID ||
- !rxq->rx_deferred_start) {
+ INVALID_HW_RING_ID) {
PMD_DRV_LOG(ERR,
"Queue invalid or used with other VNIC\n");
rte_flow_error_set(error,
goto ret;
}
-use_vnic:
rxq->vnic = vnic;
+ rxq->rx_started = 1;
vnic->rx_queue_cnt++;
vnic->start_grp_id = act_q->index;
vnic->end_grp_id = act_q->index;
"vnic[%d] = %p vnic->fw_grp_ids = %p\n",
act_q->index, vnic, vnic->fw_grp_ids);
+use_vnic:
vnic->ff_pool_idx = vnic_id;
PMD_DRV_LOG(DEBUG,
"Setting vnic ff_idx %d\n", vnic->ff_pool_idx);
goto ret;
}
- if (!(filter->valid_flags &
- ~(BNXT_FLOW_L2_DST_VALID_FLAG |
- BNXT_FLOW_L2_SRC_VALID_FLAG |
- BNXT_FLOW_L2_INNER_SRC_VALID_FLAG |
- BNXT_FLOW_L2_INNER_DST_VALID_FLAG))) {
- PMD_DRV_LOG(DEBUG, "L2 filter created\n");
- filter->flags = filter1->flags;
- filter->enables = filter1->enables;
- filter->filter_type = HWRM_CFA_L2_FILTER;
- memset(filter->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN);
- filter->pri_hint = filter1->pri_hint;
- filter->l2_filter_id_hint = filter1->l2_filter_id_hint;
- }
- filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
+ PMD_DRV_LOG(DEBUG, "new fltr: %p l2fltr: %p l2_ref_cnt: %d\n",
+ filter, filter1, filter1->l2_ref_cnt);
+ bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
break;
case RTE_FLOW_ACTION_TYPE_DROP:
vnic0 = &bp->vnic_info[0];
filter->fw_l2_filter_id = filter1->fw_l2_filter_id;
break;
case RTE_FLOW_ACTION_TYPE_RSS:
- rte_flow_error_set(error,
- ENOTSUP,
- RTE_FLOW_ERROR_TYPE_ACTION,
- act,
- "This action is not supported right now.");
- rc = -rte_errno;
- goto ret;
- //break;
+ rss = (const struct rte_flow_action_rss *)act->conf;
+
+ vnic_id = attr->group;
+ if (!vnic_id) {
+ PMD_DRV_LOG(ERR, "Group id cannot be 0\n");
+ rte_flow_error_set(error,
+ EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR,
+ NULL,
+ "Group id cannot be 0");
+ rc = -rte_errno;
+ goto ret;
+ }
+
+ vnic = &bp->vnic_info[vnic_id];
+ if (vnic == NULL) {
+ rte_flow_error_set(error,
+ EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act,
+ "No matching VNIC for RSS group.");
+ rc = -rte_errno;
+ goto ret;
+ }
+ PMD_DRV_LOG(DEBUG, "VNIC found\n");
+
+ /* Check if requested RSS config matches RSS config of VNIC
+ * only if it is not a fresh VNIC configuration.
+ * Otherwise the existing VNIC configuration can be used.
+ */
+ if (vnic->rx_queue_cnt) {
+ rc = match_vnic_rss_cfg(bp, vnic, rss);
+ if (rc) {
+ PMD_DRV_LOG(ERR,
+ "VNIC and RSS config mismatch\n");
+ rte_flow_error_set(error,
+ EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act,
+ "VNIC and RSS cfg mismatch");
+ rc = -rte_errno;
+ goto ret;
+ }
+ goto vnic_found;
+ }
+ for (i = 0; i < rss->queue_num; i++) {
+ PMD_DRV_LOG(DEBUG, "RSS action Queue %d\n",
+ rss->queue[i]);
+
+ if (!rss->queue[i] ||
+ rss->queue[i] >= bp->rx_nr_rings ||
+ !bp->rx_queues[rss->queue[i]]) {
+ rte_flow_error_set(error,
+ EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act,
+ "Invalid queue ID for RSS");
+ rc = -rte_errno;
+ goto ret;
+ }
+ rxq = bp->rx_queues[rss->queue[i]];
+
+ //if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] !=
+ //INVALID_HW_RING_ID ||
+ //!rxq->rx_deferred_start) {
+ if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] !=
+ INVALID_HW_RING_ID) {
+ PMD_DRV_LOG(ERR,
+ "queue active with other VNIC\n");
+ rte_flow_error_set(error,
+ EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act,
+ "Invalid queue ID for RSS");
+ rc = -rte_errno;
+ goto ret;
+ }
+
+ rxq->vnic = vnic;
+ rxq->rx_started = 1;
+ vnic->rx_queue_cnt++;
+ }
+
+ vnic->start_grp_id = rss->queue[0];
+ vnic->end_grp_id = rss->queue[rss->queue_num - 1];
+ vnic->func_default = 0; //This is not a default VNIC.
+
+ rc = bnxt_vnic_prep(bp, vnic);
+ if (rc)
+ goto ret;
+
+ PMD_DRV_LOG(DEBUG,
+ "vnic[%d] = %p vnic->fw_grp_ids = %p\n",
+ vnic_id, vnic, vnic->fw_grp_ids);
+
+ vnic->ff_pool_idx = vnic_id;
+ PMD_DRV_LOG(DEBUG,
+ "Setting vnic ff_pool_idx %d\n", vnic->ff_pool_idx);
+
+ /* This can be done only after vnic_grp_alloc is done. */
+ for (i = 0; i < vnic->rx_queue_cnt; i++) {
+ vnic->fw_grp_ids[i] =
+ bp->grp_info[rss->queue[i]].fw_grp_id;
+ /* Make sure vnic0 does not use these rings. */
+ bp->vnic_info[0].fw_grp_ids[rss->queue[i]] =
+ INVALID_HW_RING_ID;
+ }
+
+ for (rss_idx = 0; rss_idx < HW_HASH_INDEX_SIZE; ) {
+ for (i = 0; i < vnic->rx_queue_cnt; i++)
+ vnic->rss_table[rss_idx++] =
+ vnic->fw_grp_ids[i];
+ }
+
+ /* Configure RSS only if the queue count is > 1 */
+ if (vnic->rx_queue_cnt > 1) {
+ vnic->hash_type =
+ bnxt_rte_to_hwrm_hash_types(rss->types);
+
+ if (!rss->key_len) {
+ /* If hash key has not been specified,
+ * use random hash key.
+ */
+ prandom_bytes(vnic->rss_hash_key,
+ HW_HASH_KEY_SIZE);
+ } else {
+ if (rss->key_len > HW_HASH_KEY_SIZE)
+ memcpy(vnic->rss_hash_key,
+ rss->key,
+ HW_HASH_KEY_SIZE);
+ else
+ memcpy(vnic->rss_hash_key,
+ rss->key,
+ rss->key_len);
+ }
+ bnxt_hwrm_vnic_rss_cfg(bp, vnic);
+ } else {
+ PMD_DRV_LOG(DEBUG, "No RSS config required\n");
+ }
+
+vnic_found:
+ filter->dst_id = vnic->fw_vnic_id;
+ filter1 = bnxt_get_l2_filter(bp, filter, vnic);
+ if (filter1 == NULL) {
+ rc = -ENOSPC;
+ goto ret;
+ }
+
+ PMD_DRV_LOG(DEBUG, "L2 filter created\n");
+ bnxt_update_filter_flags_en(filter, filter1, use_ntuple);
+ break;
default:
rte_flow_error_set(error,
EINVAL,
goto ret;
}
- if (filter1) {
+ if (filter1 && !filter->matching_l2_fltr_ptr) {
bnxt_free_filter(bp, filter1);
filter1->fw_l2_filter_id = -1;
}
+
done:
act = bnxt_flow_non_void_action(++act);
if (act->type != RTE_FLOW_ACTION_TYPE_END) {
return ret;
}
+static void
+bnxt_update_filter(struct bnxt *bp, struct bnxt_filter_info *old_filter,
+ struct bnxt_filter_info *new_filter)
+{
+ /* Clear the new L2 filter that was created in the previous step in
+ * bnxt_validate_and_parse_flow. For L2 filters, we will use the new
+ * filter which points to the new destination queue and so we clear
+ * the previous L2 filter. For ntuple filters, we are going to reuse
+ * the old L2 filter and create new NTUPLE filter with this new
+ * destination queue subsequently during bnxt_flow_create.
+ */
+ if (new_filter->filter_type == HWRM_CFA_L2_FILTER) {
+ bnxt_hwrm_clear_l2_filter(bp, old_filter);
+ bnxt_hwrm_set_l2_filter(bp, new_filter->dst_id, new_filter);
+ } else {
+ if (new_filter->filter_type == HWRM_CFA_EM_FILTER)
+ bnxt_hwrm_clear_em_filter(bp, old_filter);
+ if (new_filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
+ bnxt_hwrm_clear_ntuple_filter(bp, old_filter);
+ }
+}
+
static int
bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf)
{
sizeof(nf->dst_ipaddr_mask))) {
if (mf->dst_id == nf->dst_id)
return -EEXIST;
- /* Clear the new L2 filter that was created
- * earlier in bnxt_validate_and_parse_flow.
- */
- bnxt_hwrm_clear_l2_filter(bp, nf);
- /*
- * Same Flow, Different queue
- * Clear the old ntuple filter
- * Reuse the matching L2 filter
- * ID for the new filter
- */
- nf->fw_l2_filter_id = mf->fw_l2_filter_id;
- if (nf->filter_type == HWRM_CFA_EM_FILTER)
- bnxt_hwrm_clear_em_filter(bp, mf);
- if (nf->filter_type == HWRM_CFA_NTUPLE_FILTER)
- bnxt_hwrm_clear_ntuple_filter(bp, mf);
/* Free the old filter, update flow
* with new filter
*/
+ bnxt_update_filter(bp, mf, nf);
+ STAILQ_REMOVE(&vnic->filter, mf,
+ bnxt_filter_info, next);
+ STAILQ_INSERT_TAIL(&vnic->filter, nf, next);
bnxt_free_filter(bp, mf);
flow->filter = nf;
return -EXDEV;
}
}
done:
- if (!ret) {
+ if (!ret || update_flow) {
flow->filter = filter;
flow->vnic = vnic;
/* VNIC is set only in case of queue or RSS action */
RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
"Matching Flow exists.");
else if (ret == -EXDEV)
- rte_flow_error_set(error, ret,
- RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ rte_flow_error_set(error, 0,
+ RTE_FLOW_ERROR_TYPE_NONE, NULL,
"Flow with pattern exists, updating destination queue");
else if (!rte_errno)
rte_flow_error_set(error, -ret,
ret = bnxt_hwrm_clear_em_filter(bp, filter);
if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
ret = bnxt_hwrm_clear_ntuple_filter(bp, filter);
- else
- ret = bnxt_hwrm_clear_l2_filter(bp, filter);
+ ret = bnxt_hwrm_clear_l2_filter(bp, filter);
done:
if (!ret) {