From: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
To: dev@dpdk.org
Cc: stable@dpdk.org, nirranjan@chelsio.com
Subject: [dpdk-dev] [PATCH 2/5] net/cxgbe: fix L2T leak in filter error and free path
Date: Sat, 13 Jun 2020 03:37:24 +0530 [thread overview]
Message-ID: <44ebac5f5138fe050834f6d6e1d71d358a613016.1591998771.git.rahul.lakkireddy@chelsio.com> (raw)
In-Reply-To: <cover.1591998771.git.rahul.lakkireddy@chelsio.com>
In-Reply-To: <cover.1591998771.git.rahul.lakkireddy@chelsio.com>
Free up Layer 2 Table (L2T) entry properly during filter create
failure and filter delete.
Fixes: 1decc62b1cbe ("net/cxgbe: add flow operations to offload VLAN actions")
Cc: stable@dpdk.org
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
---
drivers/net/cxgbe/cxgbe_filter.c | 30 ++++++++++++++++--------------
1 file changed, 16 insertions(+), 14 deletions(-)
diff --git a/drivers/net/cxgbe/cxgbe_filter.c b/drivers/net/cxgbe/cxgbe_filter.c
index 45602d468..06233e41e 100644
--- a/drivers/net/cxgbe/cxgbe_filter.c
+++ b/drivers/net/cxgbe/cxgbe_filter.c
@@ -293,6 +293,9 @@ static void clear_filter(struct filter_entry *f)
if (f->clipt)
cxgbe_clip_release(f->dev, f->clipt);
+ if (f->l2t)
+ cxgbe_l2t_release(f->l2t);
+
/* The zeroing of the filter rule below clears the filter valid,
* pending, locked flags etc. so it's all we need for
* this operation.
@@ -755,20 +758,6 @@ static int set_filter_wr(struct rte_eth_dev *dev, unsigned int fidx)
unsigned int port_id = ethdev2pinfo(dev)->port_id;
int ret;
- /*
- * If the new filter requires loopback Destination MAC and/or VLAN
- * rewriting then we need to allocate a Layer 2 Table (L2T) entry for
- * the filter.
- */
- if (f->fs.newvlan || f->fs.newdmac) {
- /* allocate L2T entry for new filter */
- f->l2t = cxgbe_l2t_alloc_switching(f->dev, f->fs.vlan,
- f->fs.eport, f->fs.dmac);
-
- if (!f->l2t)
- return -ENOMEM;
- }
-
/* If the new filter requires Source MAC rewriting then we need to
* allocate a SMT entry for the filter
*/
@@ -1088,6 +1077,19 @@ int cxgbe_set_filter(struct rte_eth_dev *dev, unsigned int filter_id,
}
}
+ /* If the new filter requires loopback Destination MAC and/or VLAN
+ * rewriting then we need to allocate a Layer 2 Table (L2T) entry for
+ * the filter.
+ */
+ if (f->fs.newvlan || f->fs.newdmac) {
+ f->l2t = cxgbe_l2t_alloc_switching(f->dev, f->fs.vlan,
+ f->fs.eport, f->fs.dmac);
+ if (!f->l2t) {
+ ret = -ENOMEM;
+ goto free_tid;
+ }
+ }
+
iconf = adapter->params.tp.ingress_config;
/* Either PFVF or OVLAN can be active, but not both
--
2.24.0
next prev parent reply other threads:[~2020-06-12 22:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-12 22:07 [dpdk-dev] [PATCH 0/5] net/cxgbe: fix rte_flow related hardware resource leaks Rahul Lakkireddy
2020-06-12 22:07 ` [dpdk-dev] [PATCH 1/5] net/cxgbe: fix CLIP leak in filter error path Rahul Lakkireddy
2020-06-12 22:07 ` Rahul Lakkireddy [this message]
2020-06-12 22:07 ` [dpdk-dev] [PATCH 3/5] net/cxgbe: fix double MPS alloc due to flow validate and create Rahul Lakkireddy
2020-06-12 22:07 ` [dpdk-dev] [PATCH 4/5] net/cxgbe: fix SMT leak in filter error and free path Rahul Lakkireddy
2020-06-12 22:07 ` [dpdk-dev] [PATCH 5/5] net/cxgbe: ignore flow default masks for unrequested fields Rahul Lakkireddy
2020-06-17 13:33 ` [dpdk-dev] [dpdk-stable] [PATCH 0/5] net/cxgbe: fix rte_flow related hardware resource leaks Ferruh Yigit
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