patches for DPDK stable branches
 help / color / mirror / Atom feed
* [PATCH] net/mlx5: fix devargs validation for multiclass probe
@ 2021-11-25  6:16 michaelba
  2021-11-25  9:29 ` Thomas Monjalon
  0 siblings, 1 reply; 4+ messages in thread
From: michaelba @ 2021-11-25  6:16 UTC (permalink / raw)
  To: dev
  Cc: Matan Azrad, Raslan Darawsheh, Viacheslav Ovsiienko,
	Michael Baum, stable

From: Michael Baum <michaelba@nvidia.com>

The mlx5_args function reads the devargs and checks if they are valid
for this driver and if not it returns an error.

This was normal behavior as long as all the devargs come to this driver,
but since it is possible to run several drivers together, the function
may return an error for another driver's devarg even though it is
completely valid.
In addition the function does not allow the user to know which of the
devargs he sent is incorrect, but returns an error without printing the
unknown devarg.

This patch eliminates the error return in the case of an unknown devarg,
and prints a warning for each such devarg specifically.

Fixes: 7b4f1e6bd367 ("common/mlx5: introduce common library")
Cc: stable@dpdk.org

Signed-off-by: Michael Baum <michaelba@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
 drivers/net/mlx5/mlx5.c | 68 ++++++-----------------------------------
 1 file changed, 9 insertions(+), 59 deletions(-)

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 4e04817d11..aa5f313c1a 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -1975,9 +1975,9 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
 		config->std_delay_drop = !!(tmp & MLX5_DELAY_DROP_STANDARD);
 		config->hp_delay_drop = !!(tmp & MLX5_DELAY_DROP_HAIRPIN);
 	} else {
-		DRV_LOG(WARNING, "%s: unknown parameter", key);
-		rte_errno = EINVAL;
-		return -rte_errno;
+		DRV_LOG(WARNING,
+			"%s: unknown parameter, maybe it's for another class.",
+			key);
 	}
 	return 0;
 }
@@ -1996,75 +1996,25 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
 int
 mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
 {
-	const char **params = (const char *[]){
-		MLX5_DRIVER_KEY,
-		MLX5_RXQ_CQE_COMP_EN,
-		MLX5_RXQ_PKT_PAD_EN,
-		MLX5_RX_MPRQ_EN,
-		MLX5_RX_MPRQ_LOG_STRIDE_NUM,
-		MLX5_RX_MPRQ_LOG_STRIDE_SIZE,
-		MLX5_RX_MPRQ_MAX_MEMCPY_LEN,
-		MLX5_RXQS_MIN_MPRQ,
-		MLX5_TXQ_INLINE,
-		MLX5_TXQ_INLINE_MIN,
-		MLX5_TXQ_INLINE_MAX,
-		MLX5_TXQ_INLINE_MPW,
-		MLX5_TXQS_MIN_INLINE,
-		MLX5_TXQS_MAX_VEC,
-		MLX5_TXQ_MPW_EN,
-		MLX5_TXQ_MPW_HDR_DSEG_EN,
-		MLX5_TXQ_MAX_INLINE_LEN,
-		MLX5_TX_DB_NC,
-		MLX5_TX_PP,
-		MLX5_TX_SKEW,
-		MLX5_TX_VEC_EN,
-		MLX5_RX_VEC_EN,
-		MLX5_L3_VXLAN_EN,
-		MLX5_VF_NL_EN,
-		MLX5_DV_ESW_EN,
-		MLX5_DV_FLOW_EN,
-		MLX5_DV_XMETA_EN,
-		MLX5_LACP_BY_USER,
-		MLX5_MR_EXT_MEMSEG_EN,
-		MLX5_REPRESENTOR,
-		MLX5_MAX_DUMP_FILES_NUM,
-		MLX5_LRO_TIMEOUT_USEC,
-		RTE_DEVARGS_KEY_CLASS,
-		MLX5_HP_BUF_SIZE,
-		MLX5_RECLAIM_MEM,
-		MLX5_SYS_MEM_EN,
-		MLX5_DECAP_EN,
-		MLX5_ALLOW_DUPLICATE_PATTERN,
-		MLX5_MR_MEMPOOL_REG_EN,
-		MLX5_DELAY_DROP,
-		NULL,
-	};
 	struct rte_kvargs *kvlist;
 	int ret = 0;
-	int i;
 
 	if (devargs == NULL)
 		return 0;
 	/* Following UGLY cast is done to pass checkpatch. */
-	kvlist = rte_kvargs_parse(devargs->args, params);
+	kvlist = rte_kvargs_parse(devargs->args, NULL);
 	if (kvlist == NULL) {
 		rte_errno = EINVAL;
 		return -rte_errno;
 	}
 	/* Process parameters. */
-	for (i = 0; (params[i] != NULL); ++i) {
-		if (rte_kvargs_count(kvlist, params[i])) {
-			ret = rte_kvargs_process(kvlist, params[i],
-						 mlx5_args_check, config);
-			if (ret) {
-				rte_errno = EINVAL;
-				rte_kvargs_free(kvlist);
-				return -rte_errno;
-			}
-		}
+	ret = rte_kvargs_process(kvlist, NULL, mlx5_args_check, config);
+	if (ret) {
+		rte_errno = EINVAL;
+		ret = -rte_errno;
 	}
 	rte_kvargs_free(kvlist);
-	return 0;
+	return ret;
 }
 
 /**
-- 
2.25.1


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-11-26 12:39 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-11-25  6:16 [PATCH] net/mlx5: fix devargs validation for multiclass probe michaelba
2021-11-25  9:29 ` Thomas Monjalon
2021-11-25 10:38   ` Matan Azrad
2021-11-26 12:39     ` Thomas Monjalon

patches for DPDK stable branches

This inbox may be cloned and mirrored by anyone:

	git clone --mirror http://inbox.dpdk.org/stable/0 stable/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 stable stable/ http://inbox.dpdk.org/stable \
		stable@dpdk.org
	public-inbox-index stable

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.stable


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git