Once the last filter associated with a VNIC is deleted when using
RSS action or the Queue action free the VNIC. Also free the RSS
context if the VNIC is using it.
Signed-off-by: Ajit Khaparde <ajit.khapa...@broadcom.com>
Reviewed-by: Rahul Gupta <rahul.gu...@broadcom.com>
Reviewed-by: Venkat Duvvuru <venkatkumar.duvv...@broadcom.com>
---
drivers/net/bnxt/bnxt_filter.c | 18 +++++--------
drivers/net/bnxt/bnxt_flow.c | 39 +++++++++++++++++++++++++++-
drivers/net/bnxt/bnxt_hwrm.c | 47 +++++++++++++++++++---------------
3 files changed, 72 insertions(+), 32 deletions(-)
diff --git a/drivers/net/bnxt/bnxt_filter.c b/drivers/net/bnxt/bnxt_filter.c
index 0aed29fb0..30ee6344d 100644
--- a/drivers/net/bnxt/bnxt_filter.c
+++ b/drivers/net/bnxt/bnxt_filter.c
@@ -117,6 +117,13 @@ void bnxt_free_filter_mem(struct bnxt *bp)
max_filters = bp->max_l2_ctx;
for (i = 0; i < max_filters; i++) {
filter = &bp->filter_info[i];
+ if (filter->fw_ntuple_filter_id != ((uint64_t)-1) &&
+ filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
+ /* Call HWRM to try to free filter again */
+ rc = bnxt_hwrm_clear_ntuple_filter(bp, filter);
+ }
+ filter->fw_ntuple_filter_id = UINT64_MAX;
+
if (filter->fw_l2_filter_id != ((uint64_t)-1) &&
filter->filter_type == HWRM_CFA_L2_FILTER) {
PMD_DRV_LOG(ERR, "L2 filter is not free\n");
@@ -129,17 +136,6 @@ void bnxt_free_filter_mem(struct bnxt *bp)
}
filter->fw_l2_filter_id = UINT64_MAX;
- if (filter->fw_ntuple_filter_id != ((uint64_t)-1) &&
- filter->filter_type == HWRM_CFA_NTUPLE_FILTER) {
- PMD_DRV_LOG(ERR, "NTUPLE filter is not free\n");
- /* Call HWRM to try to free filter again */
- rc = bnxt_hwrm_clear_ntuple_filter(bp, filter);
- if (rc)
- PMD_DRV_LOG(ERR,
- "Cannot free NTUPLE filter: %d\n",
- rc);
- }
- filter->fw_ntuple_filter_id = UINT64_MAX;
}
STAILQ_INIT(&bp->free_filter_list);
diff --git a/drivers/net/bnxt/bnxt_flow.c b/drivers/net/bnxt/bnxt_flow.c
index 2d107a892..496edd7ac 100644
--- a/drivers/net/bnxt/bnxt_flow.c
+++ b/drivers/net/bnxt/bnxt_flow.c
@@ -1631,6 +1631,7 @@ bnxt_flow_destroy(struct rte_eth_dev *dev,
ret = bnxt_match_filter(bp, filter);
if (ret == 0)
PMD_DRV_LOG(ERR, "Could not find matching flow\n");
+
if (filter->filter_type == HWRM_CFA_EM_FILTER)
ret = bnxt_hwrm_clear_em_filter(bp, filter);
if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER)
@@ -1640,9 +1641,40 @@ bnxt_flow_destroy(struct rte_eth_dev *dev,
done:
if (!ret) {
+ STAILQ_REMOVE(&vnic->filter, filter, bnxt_filter_info, next);
bnxt_free_filter(bp, filter);
STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next);
rte_free(flow);
+
+ /* If this was the last flow associated with this vnic,
+ * switch the queue back to RSS pool.
+ */
+ if (vnic && STAILQ_EMPTY(&vnic->flow_list)) {
+ rte_free(vnic->fw_grp_ids);
+ if (vnic->rx_queue_cnt > 1) {
+ if (BNXT_CHIP_THOR(bp)) {
+ int j;
+
+ for (j = 0; j < vnic->num_lb_ctxts;
+ j++) {
+ bnxt_hwrm_vnic_ctx_free(bp,
+ vnic,
+
vnic->fw_grp_ids[j]);
+ vnic->fw_grp_ids[j] =
+ INVALID_HW_RING_ID;
+ }
+ vnic->num_lb_ctxts = 0;
+ } else {
+ bnxt_hwrm_vnic_ctx_free(bp,
+ vnic,
+ vnic->rss_rule);
+ vnic->rss_rule = INVALID_HW_RING_ID;
+ }
+ }
+ bnxt_hwrm_vnic_free(bp, vnic);
+ vnic->rx_queue_cnt = 0;
+ bp->nr_vnics--;
+ }
} else {
rte_flow_error_set(error, -ret,
RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
@@ -1661,8 +1693,11 @@ bnxt_flow_flush(struct rte_eth_dev *dev, struct
rte_flow_error *error)
unsigned int i;
int ret = 0;
- for (i = 0; i < bp->nr_vnics; i++) {
+ for (i = 0; i < bp->max_vnics; i++) {
vnic = &bp->vnic_info[i];
+ if (vnic->fw_vnic_id == INVALID_VNIC_ID)
+ continue;
+
STAILQ_FOREACH(flow, &vnic->flow_list, next) {
struct bnxt_filter_info *filter = flow->filter;
@@ -1683,6 +1718,8 @@ bnxt_flow_flush(struct rte_eth_dev *dev, struct
rte_flow_error *error)
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 if (!i)
+ ret = bnxt_hwrm_clear_l2_filter(bp, filter);
if (ret) {
rte_flow_error_set
diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 98a68ec65..26559dce1 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -2410,13 +2410,12 @@ void bnxt_free_all_hwrm_resources(struct bnxt *bp)
* Cleanup VNICs in reverse order, to make sure the L2 filter
* from vnic0 is last to be cleaned up.
*/
- for (i = bp->nr_vnics - 1; i >= 0; i--) {
+ for (i = bp->max_vnics - 1; i >= 0; i--) {
struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
- if (vnic->fw_vnic_id == INVALID_HW_RING_ID) {
- PMD_DRV_LOG(DEBUG, "Invalid vNIC ID\n");
- return;
- }
+ // If the VNIC ID is invalid we are not currently using the VNIC
+ if (vnic->fw_vnic_id == INVALID_HW_RING_ID)
+ continue;
bnxt_clear_hwrm_vnic_flows(bp, vnic);
@@ -4293,23 +4292,31 @@ int bnxt_vnic_rss_configure(struct bnxt *bp, struct
bnxt_vnic_info *vnic)
if (BNXT_CHIP_THOR(bp))
return bnxt_vnic_rss_configure_thor(bp, vnic);
- /*
- * Fill the RSS hash & redirection table with
- * ring group ids for all VNICs
- */
- for (rss_idx = 0, fw_idx = 0; rss_idx < HW_HASH_INDEX_SIZE;
- rss_idx++, fw_idx++) {
- for (i = 0; i < bp->rx_cp_nr_rings; i++) {
- fw_idx %= bp->rx_cp_nr_rings;
- if (vnic->fw_grp_ids[fw_idx] != INVALID_HW_RING_ID)
- break;
- fw_idx++;
+ if (vnic->fw_vnic_id == INVALID_HW_RING_ID)
+ return 0;
+
+ if (vnic->rss_table && vnic->hash_type) {
+ /*
+ * Fill the RSS hash & redirection table with
+ * ring group ids for all VNICs
+ */
+ for (rss_idx = 0, fw_idx = 0; rss_idx < HW_HASH_INDEX_SIZE;
+ rss_idx++, fw_idx++) {
+ for (i = 0; i < bp->rx_cp_nr_rings; i++) {
+ fw_idx %= bp->rx_cp_nr_rings;
+ if (vnic->fw_grp_ids[fw_idx] !=
+ INVALID_HW_RING_ID)
+ break;
+ fw_idx++;
+ }
+ if (i == bp->rx_cp_nr_rings)
+ return 0;
+ vnic->rss_table[rss_idx] = vnic->fw_grp_ids[fw_idx];
}
- if (i == bp->rx_cp_nr_rings)
- return 0;
- vnic->rss_table[rss_idx] = vnic->fw_grp_ids[fw_idx];
+ return bnxt_hwrm_vnic_rss_cfg(bp, vnic);
}
- return bnxt_hwrm_vnic_rss_cfg(bp, vnic);
+
+ return 0;
}
static void bnxt_hwrm_set_coal_params(struct bnxt_coal *hw_coal,
--
2.20.1 (Apple Git-117)
