Patch "selftests: mptcp: update userspace pm test helpers" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    selftests: mptcp: update userspace pm test helpers

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     selftests-mptcp-update-userspace-pm-test-helpers.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From matttbe@xxxxxxxxxx Mon Mar  4 15:25:26 2024
From: "Matthieu Baerts (NGI0)" <matttbe@xxxxxxxxxx>
Date: Mon,  4 Mar 2024 15:25:12 +0100
Subject: selftests: mptcp: update userspace pm test helpers
To: stable@xxxxxxxxxxxxxxx, gregkh@xxxxxxxxxxxxxxxxxxx
Cc: MPTCP Upstream <mptcp@xxxxxxxxxxxxxxx>, Geliang Tang <geliang.tang@xxxxxxxx>, Matthieu Baerts <matttbe@xxxxxxxxxx>, Mat Martineau <martineau@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>
Message-ID: <20240304142508.2086803-10-matttbe@xxxxxxxxxx>

From: Geliang Tang <geliang.tang@xxxxxxxx>

commit 757c828ce94905a2975873d5e90a376c701b2b90 upstream.

This patch adds a new argument namespace to userspace_pm_add_addr() and
userspace_pm_add_sf() to make these two helper more versatile.

Add two more versatile helpers for userspace pm remove subflow or address:
userspace_pm_rm_addr() and userspace_pm_rm_sf(). The original test helpers
userspace_pm_rm_sf_addr_ns1() and userspace_pm_rm_sf_addr_ns2() can be
replaced by these new helpers.

Reviewed-by: Matthieu Baerts <matttbe@xxxxxxxxxx>
Signed-off-by: Geliang Tang <geliang.tang@xxxxxxxx>
Signed-off-by: Mat Martineau <martineau@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20231128-send-net-next-2023107-v4-4-8d6b94150f6b@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/net/mptcp/mptcp_join.sh |  100 +++++++++++-------------
 1 file changed, 49 insertions(+), 51 deletions(-)

--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -2821,6 +2821,7 @@ backup_tests()
 	fi
 }
 
+SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED
 LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED
 LISTENER_CLOSED=16  #MPTCP_EVENT_LISTENER_CLOSED
 
@@ -3281,75 +3282,70 @@ fail_tests()
 	fi
 }
 
+# $1: ns ; $2: addr ; $3: id
 userspace_pm_add_addr()
 {
-	local addr=$1
-	local id=$2
+	local evts=$evts_ns1
 	local tk
 
-	tk=$(grep "type:1," "$evts_ns1" |
-	     sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q')
-	ip netns exec $ns1 ./pm_nl_ctl ann $addr token $tk id $id
+	[ "$1" == "$ns2" ] && evts=$evts_ns2
+	tk=$(mptcp_lib_evts_get_info token "$evts")
+
+	ip netns exec $1 ./pm_nl_ctl ann $2 token $tk id $3
 	sleep 1
 }
 
-userspace_pm_rm_sf_addr_ns1()
+# $1: ns ; $2: id
+userspace_pm_rm_addr()
 {
-	local addr=$1
-	local id=$2
-	local tk sp da dp
-	local cnt_addr cnt_sf
-
-	tk=$(grep "type:1," "$evts_ns1" |
-	     sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q')
-	sp=$(grep "type:10" "$evts_ns1" |
-	     sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
-	da=$(grep "type:10" "$evts_ns1" |
-	     sed -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q')
-	dp=$(grep "type:10" "$evts_ns1" |
-	     sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q')
-	cnt_addr=$(rm_addr_count ${ns1})
-	cnt_sf=$(rm_sf_count ${ns1})
-	ip netns exec $ns1 ./pm_nl_ctl rem token $tk id $id
-	ip netns exec $ns1 ./pm_nl_ctl dsf lip "::ffff:$addr" \
-				lport $sp rip $da rport $dp token $tk
-	wait_rm_addr $ns1 "${cnt_addr}"
-	wait_rm_sf $ns1 "${cnt_sf}"
+	local evts=$evts_ns1
+	local tk
+	local cnt
+
+	[ "$1" == "$ns2" ] && evts=$evts_ns2
+	tk=$(mptcp_lib_evts_get_info token "$evts")
+
+	cnt=$(rm_addr_count ${1})
+	ip netns exec $1 ./pm_nl_ctl rem token $tk id $2
+	wait_rm_addr $1 "${cnt}"
 }
 
+# $1: ns ; $2: addr ; $3: id
 userspace_pm_add_sf()
 {
-	local addr=$1
-	local id=$2
+	local evts=$evts_ns1
 	local tk da dp
 
-	tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
-	da=$(sed -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evts_ns2")
-	dp=$(sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
-	ip netns exec $ns2 ./pm_nl_ctl csf lip $addr lid $id \
+	[ "$1" == "$ns2" ] && evts=$evts_ns2
+	tk=$(mptcp_lib_evts_get_info token "$evts")
+	da=$(mptcp_lib_evts_get_info daddr4 "$evts")
+	dp=$(mptcp_lib_evts_get_info dport "$evts")
+
+	ip netns exec $1 ./pm_nl_ctl csf lip $2 lid $3 \
 				rip $da rport $dp token $tk
 	sleep 1
 }
 
-userspace_pm_rm_sf_addr_ns2()
+# $1: ns ; $2: addr $3: event type
+userspace_pm_rm_sf()
 {
-	local addr=$1
-	local id=$2
+	local evts=$evts_ns1
+	local t=${3:-1}
+	local ip=4
 	local tk da dp sp
-	local cnt_addr cnt_sf
+	local cnt
+
+	[ "$1" == "$ns2" ] && evts=$evts_ns2
+	if is_v6 $2; then ip=6; fi
+	tk=$(mptcp_lib_evts_get_info token "$evts")
+	da=$(mptcp_lib_evts_get_info "daddr$ip" "$evts" $t)
+	dp=$(mptcp_lib_evts_get_info dport "$evts" $t)
+	sp=$(mptcp_lib_evts_get_info sport "$evts" $t)
 
-	tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
-	da=$(sed -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evts_ns2")
-	dp=$(sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
-	sp=$(grep "type:10" "$evts_ns2" |
-	     sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
-	cnt_addr=$(rm_addr_count ${ns2})
-	cnt_sf=$(rm_sf_count ${ns2})
-	ip netns exec $ns2 ./pm_nl_ctl rem token $tk id $id
-	ip netns exec $ns2 ./pm_nl_ctl dsf lip $addr lport $sp \
+	cnt=$(rm_sf_count ${1})
+	ip netns exec $1 ./pm_nl_ctl dsf lip $2 lport $sp \
 				rip $da rport $dp token $tk
-	wait_rm_addr $ns2 "${cnt_addr}"
-	wait_rm_sf $ns2 "${cnt_sf}"
+	wait_rm_sf $1 "${cnt}"
 }
 
 userspace_tests()
@@ -3436,13 +3432,14 @@ userspace_tests()
 			run_tests $ns1 $ns2 10.0.1.1 &
 		local tests_pid=$!
 		wait_mpj $ns1
-		userspace_pm_add_addr 10.0.2.1 10
+		userspace_pm_add_addr $ns1 10.0.2.1 10
 		chk_join_nr 1 1 1
 		chk_add_nr 1 1
 		chk_mptcp_info subflows 1 subflows 1
 		chk_subflows_total 2 2
 		chk_mptcp_info add_addr_signal 1 add_addr_accepted 1
-		userspace_pm_rm_sf_addr_ns1 10.0.2.1 10
+		userspace_pm_rm_addr $ns1 10
+		userspace_pm_rm_sf $ns1 "::ffff:10.0.2.1" $SUB_ESTABLISHED
 		chk_rm_nr 1 1 invert
 		chk_mptcp_info subflows 0 subflows 0
 		chk_subflows_total 1 1
@@ -3459,11 +3456,12 @@ userspace_tests()
 			run_tests $ns1 $ns2 10.0.1.1 &
 		local tests_pid=$!
 		wait_mpj $ns2
-		userspace_pm_add_sf 10.0.3.2 20
+		userspace_pm_add_sf $ns2 10.0.3.2 20
 		chk_join_nr 1 1 1
 		chk_mptcp_info subflows 1 subflows 1
 		chk_subflows_total 2 2
-		userspace_pm_rm_sf_addr_ns2 10.0.3.2 20
+		userspace_pm_rm_addr $ns2 20
+		userspace_pm_rm_sf $ns2 10.0.3.2 $SUB_ESTABLISHED
 		chk_rm_nr 1 1
 		chk_mptcp_info subflows 0 subflows 0
 		chk_subflows_total 1 1


Patches currently in stable-queue which might be from matttbe@xxxxxxxxxx are

queue-6.6/selftests-mptcp-add-mptcp_lib_is_v6.patch
queue-6.6/mptcp-push-at-dss-boundaries.patch
queue-6.6/mptcp-fix-double-free-on-socket-dismantle.patch
queue-6.6/mptcp-fix-snd_wnd-initialization-for-passive-socket.patch
queue-6.6/selftests-mptcp-rm-subflow-with-v4-v4mapped-addr.patch
queue-6.6/selftests-mptcp-update-userspace-pm-test-helpers.patch
queue-6.6/mptcp-map-v4-address-to-v6-when-destroying-subflow.patch
queue-6.6/selftests-mptcp-add-evts_get_info-helper.patch
queue-6.6/mptcp-fix-potential-wake-up-event-loss.patch
queue-6.6/selftests-mptcp-join-add-ss-mptcp-support-check.patch
queue-6.6/mptcp-fix-possible-deadlock-in-subflow-diag.patch
queue-6.6/mptcp-avoid-printing-warning-once-on-client-side.patch
queue-6.6/selftests-mptcp-add-chk_subflows_total-helper.patch




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