From: <dlinkin@nvidia.com>
To: <netdev@vger.kernel.org>
Cc: <davem@davemloft.net>, <kuba@kernel.org>, <jiri@nvidia.com>,
<stephen@networkplumber.org>, <dsahern@gmail.com>,
<vladbu@nvidia.com>, <parav@nvidia.com>, <huyn@nvidia.com>,
Dmytro Linkin <dlinkin@nvidia.com>
Subject: [PATCH RESEND net-next v3 11/18] selftest: netdevsim: Add devlink port shared/max tx rate test
Date: Wed, 2 Jun 2021 15:17:24 +0300 [thread overview]
Message-ID: <1622636251-29892-12-git-send-email-dlinkin@nvidia.com> (raw)
In-Reply-To: <1622636251-29892-1-git-send-email-dlinkin@nvidia.com>
From: Dmytro Linkin <dlinkin@nvidia.com>
Test verifies that netdevsim VFs can set and retrieve shared/max tx
rate through new devlink API.
Co-developed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
---
Notes:
v1->v2:
- s/func/function/ in devlink commands
.../selftests/drivers/net/netdevsim/devlink.sh | 55 ++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
index c654be0..05dcefc 100755
--- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
+++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
@@ -516,6 +516,45 @@ rate_leafs_get()
'.[] | to_entries | .[] | select(.value.type == "leaf") | .key | select(contains("'$handle'"))'
}
+rate_attr_set()
+{
+ local handle=$1
+ local name=$2
+ local value=$3
+ local units=$4
+
+ devlink port function rate set $handle $name $value$units
+}
+
+rate_attr_get()
+{
+ local handle=$1
+ local name=$2
+
+ cmd_jq "devlink port function rate show $handle -j" '.[][].'$name
+}
+
+rate_attr_tx_rate_check()
+{
+ local handle=$1
+ local name=$2
+ local rate=$3
+ local debug_file=$4
+
+ rate_attr_set $handle $name $rate mbit
+ check_err $? "Failed to set $name value"
+
+ local debug_value=$(cat $debug_file)
+ check_err $? "Failed to read $name value from debugfs"
+ [ "$debug_value" == "$rate" ]
+ check_err $? "Unexpected $name debug value $debug_value != $rate"
+
+ local api_value=$(( $(rate_attr_get $handle $name) * 8 / 1000000 ))
+ check_err $? "Failed to get $name attr value"
+ [ "$api_value" == "$rate" ]
+ check_err $? "Unexpected $name attr value $api_value != $rate"
+}
+
rate_test()
{
RET=0
@@ -527,6 +566,22 @@ rate_test()
[ "$num_leafs" == "$VF_COUNT" ]
check_err $? "Expected $VF_COUNT rate leafs but got $num_leafs"
+ rate=10
+ for r_obj in $leafs
+ do
+ rate_attr_tx_rate_check $r_obj tx_share $rate \
+ $DEBUGFS_DIR/ports/${r_obj##*/}/tx_share
+ rate=$(($rate+10))
+ done
+
+ rate=100
+ for r_obj in $leafs
+ do
+ rate_attr_tx_rate_check $r_obj tx_max $rate \
+ $DEBUGFS_DIR/ports/${r_obj##*/}/tx_max
+ rate=$(($rate+100))
+ done
+
log_test "rate test"
}
--
1.8.3.1
next prev parent reply other threads:[~2021-06-02 12:18 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-02 12:17 [PATCH RESEND net-next v3 00/18] devlink: rate objects API dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 01/18] netdevsim: Add max_vfs to bus_dev dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 02/18] netdevsim: Disable VFs on nsim_dev_reload_destroy() call dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 03/18] netdevsim: Implement port types and indexing dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 04/18] netdevsim: Implement VFs dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 05/18] netdevsim: Implement legacy/switchdev mode for VFs dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 06/18] devlink: Introduce rate object dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 07/18] netdevsim: Register devlink rate leaf objects per VF dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 08/18] selftest: netdevsim: Add devlink rate test dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 09/18] devlink: Allow setting tx rate for devlink rate leaf objects dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 10/18] netdevsim: Implement devlink rate leafs tx rate support dlinkin
2021-06-02 12:17 ` dlinkin [this message]
2021-06-02 12:17 ` [PATCH RESEND net-next v3 12/18] devlink: Introduce rate nodes dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 13/18] netdevsim: Implement support for devlink " dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 14/18] selftest: netdevsim: Add devlink rate nodes test dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 15/18] devlink: Allow setting parent node of rate objects dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 16/18] netdevsim: " dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 17/18] selftest: netdevsim: Add devlink rate grouping test dlinkin
2021-06-02 12:17 ` [PATCH RESEND net-next v3 18/18] Documentation: devlink rate objects dlinkin
2021-06-02 12:31 ` [PATCH RESEND iproute2 net-next 0/4] devlink rate support Dmytro Linkin
2021-06-02 12:31 ` [PATCH RESEND iproute2 net-next 1/4] uapi: update devlink kernel header Dmytro Linkin
2021-06-02 12:31 ` [PATCH RESEND iproute2 net-next 2/4] devlink: Add helper function to validate object handler Dmytro Linkin
2021-06-02 12:31 ` [PATCH RESEND iproute2 net-next 3/4] devlink: Add port func rate support Dmytro Linkin
2021-06-02 12:31 ` [PATCH RESEND iproute2 net-next 4/4] devlink: Add ISO/IEC switch Dmytro Linkin
2021-06-02 16:58 ` [PATCH RESEND net-next v3 00/18] devlink: rate objects API Jakub Kicinski
2021-06-03 8:53 ` Dmytro Linkin
2021-06-04 1:59 ` Yunsheng Lin
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