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-rw-r--r--dpdk/dpdk-17.02_patches/0005-net-mlx5-fix-startup-when-flow-cannot-be-applied.patch57
1 files changed, 57 insertions, 0 deletions
diff --git a/dpdk/dpdk-17.02_patches/0005-net-mlx5-fix-startup-when-flow-cannot-be-applied.patch b/dpdk/dpdk-17.02_patches/0005-net-mlx5-fix-startup-when-flow-cannot-be-applied.patch
new file mode 100644
index 00000000000..af928bb2abb
--- /dev/null
+++ b/dpdk/dpdk-17.02_patches/0005-net-mlx5-fix-startup-when-flow-cannot-be-applied.patch
@@ -0,0 +1,57 @@
+From 0866d640e42d6c54b2b3f15ebde9930e756ba4d5 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?N=C3=A9lio=20Laranjeiro?= <nelio.laranjeiro@6wind.com>
+Date: Wed, 22 Feb 2017 10:57:52 +0100
+Subject: [PATCH] net/mlx5: fix startup when flow cannot be applied
+
+When flows cannot be re-applied due to configuration modifications, the
+start function should rollback the configuration done.
+
+Fixes: 2097d0d1e2cc ("net/mlx5: support basic flow items and actions")
+Cc: stable@dpdk.org
+
+Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
+---
+ drivers/net/mlx5/mlx5_trigger.c | 21 ++++++++++++++++-----
+ 1 file changed, 16 insertions(+), 5 deletions(-)
+
+diff --git a/drivers/net/mlx5/mlx5_trigger.c b/drivers/net/mlx5/mlx5_trigger.c
+index 30addd2..0acbf28 100644
+--- a/drivers/net/mlx5/mlx5_trigger.c
++++ b/drivers/net/mlx5/mlx5_trigger.c
+@@ -82,17 +82,28 @@ mlx5_dev_start(struct rte_eth_dev *dev)
+ ERROR("%p: an error occurred while configuring hash RX queues:"
+ " %s",
+ (void *)priv, strerror(err));
+- /* Rollback. */
+- priv_special_flow_disable_all(priv);
+- priv_mac_addrs_disable(priv);
+- priv_destroy_hash_rxqs(priv);
++ goto error;
+ }
+ if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_NONE)
+ priv_fdir_enable(priv);
+- priv_dev_interrupt_handler_install(priv, dev);
+ err = priv_flow_start(priv);
++ if (err) {
++ priv->started = 0;
++ ERROR("%p: an error occurred while configuring flows:"
++ " %s",
++ (void *)priv, strerror(err));
++ goto error;
++ }
++ priv_dev_interrupt_handler_install(priv, dev);
+ priv_xstats_init(priv);
+ priv_unlock(priv);
++ return 0;
++error:
++ /* Rollback. */
++ priv_special_flow_disable_all(priv);
++ priv_mac_addrs_disable(priv);
++ priv_destroy_hash_rxqs(priv);
++ priv_flow_stop(priv);
+ return -err;
+ }
+
+--
+2.7.4
+