From nobody Wed May 15 23:51:52 2024 Received: from out-185.mta1.migadu.com (out-185.mta1.migadu.com [95.215.58.185]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 186DA12E64 for ; Fri, 8 Dec 2023 10:07:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="bpmDQ2I0" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030029; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=N6jdGUbq6aO8ksEy9yV6mHkYN+t7brBX25JvW9rkL48=; b=bpmDQ2I04dk0uqxUqThQzqCkrmD4NUHnJlExzSNZbQnmnltCeJEYPzLcKwVwGIcdauQuQD t9A70x783RKXvojYMqfWq/Mxs3iSTF3uyDI6LxDk0tsFObVH3yzT7ektjctJU2w5DQ5oDU UM4zUur/Wn5CqFqUtcggbYuhRG7iXiw= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 01/25] mptcp: export pm_nl_get_pernet_from_msk Date: Fri, 8 Dec 2023 18:07:14 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" This patch moves struct pm_nl_pernet from pm_netlink.c to protocol.h, and export pm_nl_get_pernet_from_msk() helper. Then every fields of struct pm_nl_pernet can be accessed everywhere, not only being limited in pm_netlink.c. Signed-off-by: Geliang Tang --- net/mptcp/pm_netlink.c | 17 ++--------------- net/mptcp/protocol.h | 17 +++++++++++++++++ 2 files changed, 19 insertions(+), 15 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index b93683b5e618..9aa51f6fb2fd 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -31,20 +31,6 @@ struct mptcp_pm_add_entry { struct mptcp_sock *sock; }; =20 -struct pm_nl_pernet { - /* protects pernet updates */ - spinlock_t lock; - struct list_head local_addr_list; - unsigned int addrs; - unsigned int stale_loss_cnt; - unsigned int add_addr_signal_max; - unsigned int add_addr_accept_max; - unsigned int local_addr_max; - unsigned int subflows_max; - unsigned int next_id; - DECLARE_BITMAP(id_bitmap, MPTCP_PM_MAX_ADDR_ID + 1); -}; - #define MPTCP_PM_ADDR_MAX 8 #define ADD_ADDR_RETRANS_MAX 3 =20 @@ -53,11 +39,12 @@ static struct pm_nl_pernet *pm_nl_get_pernet(const stru= ct net *net) return net_generic(net, pm_nl_pernet_id); } =20 -static struct pm_nl_pernet * +struct pm_nl_pernet * pm_nl_get_pernet_from_msk(const struct mptcp_sock *msk) { return pm_nl_get_pernet(sock_net((struct sock *)msk)); } +EXPORT_SYMBOL_GPL(pm_nl_get_pernet_from_msk); =20 bool mptcp_addresses_equal(const struct mptcp_addr_info *a, const struct mptcp_addr_info *b, bool use_port) diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index f7b9c1b995df..8db50fdccfee 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -1030,6 +1030,23 @@ void __init mptcp_pm_nl_init(void); void mptcp_pm_nl_work(struct mptcp_sock *msk); void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list); + +struct pm_nl_pernet { + /* protects pernet updates */ + spinlock_t lock; + struct list_head local_addr_list; + unsigned int addrs; + unsigned int stale_loss_cnt; + unsigned int add_addr_signal_max; + unsigned int add_addr_accept_max; + unsigned int local_addr_max; + unsigned int subflows_max; + unsigned int next_id; + DECLARE_BITMAP(id_bitmap, MPTCP_PM_MAX_ADDR_ID + 1); +}; + +struct pm_nl_pernet * +pm_nl_get_pernet_from_msk(const struct mptcp_sock *msk); unsigned int mptcp_pm_get_add_addr_signal_max(const struct mptcp_sock *msk= ); unsigned int mptcp_pm_get_add_addr_accept_max(const struct mptcp_sock *msk= ); unsigned int mptcp_pm_get_subflows_max(const struct mptcp_sock *msk); --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-189.mta1.migadu.com (out-189.mta1.migadu.com [95.215.58.189]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EC34912E7D for ; Fri, 8 Dec 2023 10:07:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="Dd/qfOJI" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030029; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sbFFpgbwDR1Hqj5lKGS06+kgPj6LDAU/krk/6ZUAVIE=; b=Dd/qfOJIsayOqEjxjUC7rLj2MK8j9FSXDW8ImAcDmtGaXacpCe7V1ALoYlLcXzyyeBmr8m ecM/3RZyG6Kmf9R1xuPalHEnLN0Km6CNgFORHxN39FcQUfUQwCxneCcjfKbAVh++wUl8bO pca0/4htpAyzjuG3iAb0nLHEOdZ506g= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 02/25] mptcp: drop mptcp_pm_get_* helpers Date: Fri, 8 Dec 2023 18:07:15 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" Drop four mptcp_pm_get_* helpers: mptcp_pm_get_add_addr_signal_max(); mptcp_pm_get_add_addr_accept_max(); mptcp_pm_get_subflows_max(); mptcp_pm_get_local_addr_max(); The helper pm_nl_get_pernet_from_msk() now can be used to replace each of them. Signed-off-by: Geliang Tang --- net/mptcp/pm.c | 12 +++++----- net/mptcp/pm_netlink.c | 50 +++++++++--------------------------------- net/mptcp/protocol.h | 8 +++---- net/mptcp/sockopt.c | 9 ++++---- 4 files changed, 25 insertions(+), 54 deletions(-) diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 4ae19113b8eb..48ff7ce20890 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -85,6 +85,7 @@ void mptcp_pm_new_connection(struct mptcp_sock *msk, cons= t struct sock *ssk, int =20 bool mptcp_pm_allow_new_subflow(struct mptcp_sock *msk) { + struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); struct mptcp_pm_data *pm =3D &msk->pm; unsigned int subflows_max; int ret =3D 0; @@ -99,7 +100,7 @@ bool mptcp_pm_allow_new_subflow(struct mptcp_sock *msk) return false; } =20 - subflows_max =3D mptcp_pm_get_subflows_max(msk); + subflows_max =3D READ_ONCE(pernet->subflows_max); =20 pr_debug("msk=3D%p subflows=3D%d max=3D%d allow=3D%d", msk, pm->subflows, subflows_max, READ_ONCE(pm->accept_subflow)); @@ -496,6 +497,7 @@ bool mptcp_pm_addr_families_match(const struct sock *sk, =20 void mptcp_pm_data_reset(struct mptcp_sock *msk) { + struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); u8 pm_type =3D mptcp_get_pm_type(sock_net((struct sock *)msk)); struct mptcp_pm_data *pm =3D &msk->pm; =20 @@ -508,17 +510,17 @@ void mptcp_pm_data_reset(struct mptcp_sock *msk) WRITE_ONCE(pm->pm_type, pm_type); =20 if (pm_type =3D=3D MPTCP_PM_TYPE_KERNEL) { - bool subflows_allowed =3D !!mptcp_pm_get_subflows_max(msk); + bool subflows_allowed =3D !!READ_ONCE(pernet->subflows_max); =20 /* pm->work_pending must be only be set to 'true' when * pm->pm_type is set to MPTCP_PM_TYPE_KERNEL */ WRITE_ONCE(pm->work_pending, - (!!mptcp_pm_get_local_addr_max(msk) && + (!!READ_ONCE(pernet->local_addr_max) && subflows_allowed) || - !!mptcp_pm_get_add_addr_signal_max(msk)); + !!READ_ONCE(pernet->add_addr_signal_max)); WRITE_ONCE(pm->accept_addr, - !!mptcp_pm_get_add_addr_accept_max(msk) && + !!READ_ONCE(pernet->add_addr_accept_max) && subflows_allowed); WRITE_ONCE(pm->accept_subflow, subflows_allowed); } else { diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 9aa51f6fb2fd..2246904c6cf5 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -183,43 +183,11 @@ select_signal_address(struct pm_nl_pernet *pernet, co= nst struct mptcp_sock *msk) return ret; } =20 -unsigned int mptcp_pm_get_add_addr_signal_max(const struct mptcp_sock *msk) -{ - const struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); - - return READ_ONCE(pernet->add_addr_signal_max); -} -EXPORT_SYMBOL_GPL(mptcp_pm_get_add_addr_signal_max); - -unsigned int mptcp_pm_get_add_addr_accept_max(const struct mptcp_sock *msk) -{ - struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); - - return READ_ONCE(pernet->add_addr_accept_max); -} -EXPORT_SYMBOL_GPL(mptcp_pm_get_add_addr_accept_max); - -unsigned int mptcp_pm_get_subflows_max(const struct mptcp_sock *msk) -{ - struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); - - return READ_ONCE(pernet->subflows_max); -} -EXPORT_SYMBOL_GPL(mptcp_pm_get_subflows_max); - -unsigned int mptcp_pm_get_local_addr_max(const struct mptcp_sock *msk) -{ - struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); - - return READ_ONCE(pernet->local_addr_max); -} -EXPORT_SYMBOL_GPL(mptcp_pm_get_local_addr_max); - bool mptcp_pm_nl_check_work_pending(struct mptcp_sock *msk) { struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); =20 - if (msk->pm.subflows =3D=3D mptcp_pm_get_subflows_max(msk) || + if (msk->pm.subflows =3D=3D READ_ONCE(pernet->subflows_max) || (find_next_and_bit(pernet->id_bitmap, msk->pm.id_avail_bitmap, MPTCP_PM_MAX_ADDR_ID + 1, 0) =3D=3D MPTCP_PM_MAX_ADDR_ID + 1)) { WRITE_ONCE(msk->pm.work_pending, false); @@ -404,6 +372,7 @@ static unsigned int fill_remote_addresses_vec(struct mp= tcp_sock *msk, bool fullmesh, struct mptcp_addr_info *addrs) { + struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); bool deny_id0 =3D READ_ONCE(msk->pm.remote_deny_join_id0); struct sock *sk =3D (struct sock *)msk, *ssk; struct mptcp_subflow_context *subflow; @@ -411,7 +380,7 @@ static unsigned int fill_remote_addresses_vec(struct mp= tcp_sock *msk, unsigned int subflows_max; int i =3D 0; =20 - subflows_max =3D mptcp_pm_get_subflows_max(msk); + subflows_max =3D READ_ONCE(pernet->subflows_max); remote_address((struct sock_common *)sk, &remote); =20 /* Non-fullmesh endpoint, fill in the single entry @@ -514,9 +483,9 @@ static void mptcp_pm_create_subflow_or_signal_addr(stru= ct mptcp_sock *msk) =20 pernet =3D pm_nl_get_pernet(sock_net(sk)); =20 - add_addr_signal_max =3D mptcp_pm_get_add_addr_signal_max(msk); - local_addr_max =3D mptcp_pm_get_local_addr_max(msk); - subflows_max =3D mptcp_pm_get_subflows_max(msk); + add_addr_signal_max =3D READ_ONCE(pernet->add_addr_signal_max); + local_addr_max =3D READ_ONCE(pernet->local_addr_max); + subflows_max =3D READ_ONCE(pernet->subflows_max); =20 /* do lazy endpoint usage accounting for the MPC subflows */ if (unlikely(!(msk->pm.status & BIT(MPTCP_PM_MPC_ENDPOINT_ACCOUNTED))) &&= msk->first) { @@ -621,7 +590,7 @@ static unsigned int fill_local_addresses_vec(struct mpt= cp_sock *msk, int i =3D 0; =20 pernet =3D pm_nl_get_pernet_from_msk(msk); - subflows_max =3D mptcp_pm_get_subflows_max(msk); + subflows_max =3D READ_ONCE(pernet->subflows_max); =20 rcu_read_lock(); list_for_each_entry_rcu(entry, &pernet->local_addr_list, list) { @@ -664,6 +633,7 @@ static unsigned int fill_local_addresses_vec(struct mpt= cp_sock *msk, =20 static void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk) { + struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); struct mptcp_addr_info addrs[MPTCP_PM_ADDR_MAX]; struct sock *sk =3D (struct sock *)msk; unsigned int add_addr_accept_max; @@ -671,8 +641,8 @@ static void mptcp_pm_nl_add_addr_received(struct mptcp_= sock *msk) unsigned int subflows_max; int i, nr; =20 - add_addr_accept_max =3D mptcp_pm_get_add_addr_accept_max(msk); - subflows_max =3D mptcp_pm_get_subflows_max(msk); + add_addr_accept_max =3D READ_ONCE(pernet->add_addr_accept_max); + subflows_max =3D READ_ONCE(pernet->subflows_max); =20 pr_debug("accepted %d:%d remote family %d", msk->pm.add_addr_accepted, add_addr_accept_max, diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 8db50fdccfee..8296bdf58f90 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -1047,15 +1047,13 @@ struct pm_nl_pernet { =20 struct pm_nl_pernet * pm_nl_get_pernet_from_msk(const struct mptcp_sock *msk); -unsigned int mptcp_pm_get_add_addr_signal_max(const struct mptcp_sock *msk= ); -unsigned int mptcp_pm_get_add_addr_accept_max(const struct mptcp_sock *msk= ); -unsigned int mptcp_pm_get_subflows_max(const struct mptcp_sock *msk); -unsigned int mptcp_pm_get_local_addr_max(const struct mptcp_sock *msk); =20 /* called under PM lock */ static inline void __mptcp_pm_close_subflow(struct mptcp_sock *msk) { - if (--msk->pm.subflows < mptcp_pm_get_subflows_max(msk)) + struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); + + if (--msk->pm.subflows < READ_ONCE(pernet->subflows_max)) WRITE_ONCE(msk->pm.accept_subflow, true); } =20 diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index cabe856b2a45..8d63df5ded50 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -893,6 +893,7 @@ static int mptcp_getsockopt_first_sf_only(struct mptcp_= sock *msk, int level, int =20 void mptcp_diag_fill_info(struct mptcp_sock *msk, struct mptcp_info *info) { + struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); struct sock *sk =3D (struct sock *)msk; u32 flags =3D 0; bool slow; @@ -910,13 +911,13 @@ void mptcp_diag_fill_info(struct mptcp_sock *msk, str= uct mptcp_info *info) /* The following limits only make sense for the in-kernel PM */ if (mptcp_pm_is_kernel(msk)) { info->mptcpi_subflows_max =3D - mptcp_pm_get_subflows_max(msk); + READ_ONCE(pernet->subflows_max); info->mptcpi_add_addr_signal_max =3D - mptcp_pm_get_add_addr_signal_max(msk); + READ_ONCE(pernet->add_addr_signal_max); info->mptcpi_add_addr_accepted_max =3D - mptcp_pm_get_add_addr_accept_max(msk); + READ_ONCE(pernet->add_addr_accept_max); info->mptcpi_local_addr_max =3D - mptcp_pm_get_local_addr_max(msk); + READ_ONCE(pernet->local_addr_max); } =20 if (__mptcp_check_fallback(msk)) --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-177.mta1.migadu.com (out-177.mta1.migadu.com [95.215.58.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EE9A9134B3 for ; Fri, 8 Dec 2023 10:07:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="YI4Ys7tc" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030031; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JnbSdTuMzvRHFVF3Or97xjxKbwAqZ9CUUOvAnr9/aVY=; b=YI4Ys7tcQWIX/Uq/4yDeLjCtqtU76h7QYJq/RHV+SxmDve5Dp00/evBTaRWxrHGK8CtDW7 8yaDJDUJRNWjBDg9BQyvBJ0siAaeuFfCiIlDJtV3x82xuyqw+zbtVDnXz7rCw2nn7Vbt/Q 8Ht/IKh/ZTHc45FQ+AX0AwjkisWvUL0= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 03/25] mptcp: use pernet id_bitmap in userspace pm Date: Fri, 8 Dec 2023 18:07:16 +0800 Message-Id: <0a089c38b045c6bed01d4a7f53d9a14aa960ea34.1702029538.git.geliang.tang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" This patch uses pm_nl_get_pernet_from_msk() to get the pernet id_bitmap instead of using a local bitmap when appending a new local address into the userspace PM local address list. Signed-off-by: Geliang Tang --- net/mptcp/pm_userspace.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index efecbe3cf415..b3a606a5e182 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -28,7 +28,7 @@ void mptcp_free_local_addr_list(struct mptcp_sock *msk) static int mptcp_userspace_pm_append_new_local_addr(struct mptcp_sock *msk, struct mptcp_pm_addr_entry *entry) { - DECLARE_BITMAP(id_bitmap, MPTCP_PM_MAX_ADDR_ID + 1); + struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); struct mptcp_pm_addr_entry *match =3D NULL; struct sock *sk =3D (struct sock *)msk; struct mptcp_pm_addr_entry *e; @@ -36,8 +36,6 @@ static int mptcp_userspace_pm_append_new_local_addr(struc= t mptcp_sock *msk, bool id_match =3D false; int ret =3D -EINVAL; =20 - bitmap_zero(id_bitmap, MPTCP_PM_MAX_ADDR_ID + 1); - spin_lock_bh(&msk->pm.lock); list_for_each_entry(e, &msk->pm.userspace_pm_local_addr_list, list) { addr_match =3D mptcp_addresses_equal(&e->addr, &entry->addr, true); @@ -50,7 +48,6 @@ static int mptcp_userspace_pm_append_new_local_addr(struc= t mptcp_sock *msk, } else if (addr_match || id_match) { break; } - __set_bit(e->addr.id, id_bitmap); } =20 if (!match && !addr_match && !id_match) { @@ -65,9 +62,10 @@ static int mptcp_userspace_pm_append_new_local_addr(stru= ct mptcp_sock *msk, =20 *e =3D *entry; if (!e->addr.id) - e->addr.id =3D find_next_zero_bit(id_bitmap, + e->addr.id =3D find_next_zero_bit(pernet->id_bitmap, MPTCP_PM_MAX_ADDR_ID + 1, 1); + __set_bit(e->addr.id, pernet->id_bitmap); list_add_tail_rcu(&e->list, &msk->pm.userspace_pm_local_addr_list); msk->pm.local_addr_used++; ret =3D e->addr.id; --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-182.mta1.migadu.com (out-182.mta1.migadu.com [95.215.58.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9CBCF134BD for ; Fri, 8 Dec 2023 10:07:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="I20h6lO0" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030031; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nAdOXS7bifqnu8TOSySJ3rRIU6ky+MuyESsJd+iKU+k=; b=I20h6lO0TJfKISOS/GkR0b89n+C0epdwE+1O8cc/392Pf+rhpZacu3UKC/aU4nryaADJn5 0+ZJwK8j3yvsQniFDHaq0shvDr+jDQVswrwkEUWoNmPaRr3KfqAbQhKzek7yVOF7ROOGtM DIEWwtgRrvULazr5fg6nwSGjLj304gM= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 04/25] mptcp: add userspace_pm_lookup_addr_by_id helper Date: Fri, 8 Dec 2023 18:07:17 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" Corresponding __lookup_addr_by_id() helper in the in-kernel netlink PM, this patch adds a new helper mptcp_userspace_pm_lookup_addr_by_id() to lookup the address entry with the given id on the userspace pm local address list. Signed-off-by: Geliang Tang --- net/mptcp/pm_userspace.c | 31 ++++++++++++++++--------------- 1 file changed, 16 insertions(+), 15 deletions(-) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index b3a606a5e182..6999296cd5db 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -25,6 +25,18 @@ void mptcp_free_local_addr_list(struct mptcp_sock *msk) } } =20 +static struct mptcp_pm_addr_entry * +mptcp_userspace_pm_lookup_addr_by_id(struct mptcp_sock *msk, unsigned int = id) +{ + struct mptcp_pm_addr_entry *entry; + + list_for_each_entry(entry, &msk->pm.userspace_pm_local_addr_list, list) { + if (entry->addr.id =3D=3D id) + return entry; + } + return NULL; +} + static int mptcp_userspace_pm_append_new_local_addr(struct mptcp_sock *msk, struct mptcp_pm_addr_entry *entry) { @@ -107,15 +119,10 @@ int mptcp_userspace_pm_get_flags_and_ifindex_by_id(st= ruct mptcp_sock *msk, unsigned int id, u8 *flags, int *ifindex) { - struct mptcp_pm_addr_entry *entry, *match =3D NULL; + struct mptcp_pm_addr_entry *match; =20 spin_lock_bh(&msk->pm.lock); - list_for_each_entry(entry, &msk->pm.userspace_pm_local_addr_list, list) { - if (id =3D=3D entry->addr.id) { - match =3D entry; - break; - } - } + match =3D mptcp_userspace_pm_lookup_addr_by_id(msk, id); spin_unlock_bh(&msk->pm.lock); if (match) { *flags =3D match->flags; @@ -247,7 +254,7 @@ int mptcp_pm_nl_remove_doit(struct sk_buff *skb, struct= genl_info *info) { struct nlattr *token =3D info->attrs[MPTCP_PM_ATTR_TOKEN]; struct nlattr *id =3D info->attrs[MPTCP_PM_ATTR_LOC_ID]; - struct mptcp_pm_addr_entry *match =3D NULL; + struct mptcp_pm_addr_entry *match; struct mptcp_pm_addr_entry *entry; struct mptcp_sock *msk; LIST_HEAD(free_list); @@ -284,13 +291,7 @@ int mptcp_pm_nl_remove_doit(struct sk_buff *skb, struc= t genl_info *info) =20 lock_sock(sk); =20 - list_for_each_entry(entry, &msk->pm.userspace_pm_local_addr_list, list) { - if (entry->addr.id =3D=3D id_val) { - match =3D entry; - break; - } - } - + match =3D mptcp_userspace_pm_lookup_addr_by_id(msk, id_val); if (!match) { GENL_SET_ERR_MSG(info, "address with specified id not found"); release_sock(sk); --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-171.mta1.migadu.com (out-171.mta1.migadu.com [95.215.58.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7FADB134D5 for ; Fri, 8 Dec 2023 10:07:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="wGxIPd2u" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030032; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/W/SLMN8iWwqkS8rQ743ci5RCMTJH+kP9lh017PWi+I=; b=wGxIPd2uHmcGgodXAL3tA6XOw1k5LuP9w4U7X9ZUT+0Su4CCqCew/gDjo4mCJvRSnOjZbx D0TQ08Ws/iZ5kAV70Tk0KyRwe68VsCPkUcc0HQvAcGWJxOZVZsugik12gQw/m+AMqSG6+u E7gkSQROjYknwXlpWFrulxs+m25u63I= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 05/25] mptcp: drop lookup_by_id parameter in lookup_addr Date: Fri, 8 Dec 2023 18:07:18 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" When the lookup_by_id parameter of __lookup_addr() is true, it's the same as __lookup_addr_by_id(), it can be replaced by __lookup_addr_by_id() directly. So drop this parameter, let __lookup_addr() only looks up address on the local address list by comparing addresses in it, not address ids. Signed-off-by: Geliang Tang --- net/mptcp/pm_netlink.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 2246904c6cf5..1c85d711a86e 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -458,15 +458,12 @@ __lookup_addr_by_id(struct pm_nl_pernet *pernet, unsi= gned int id) } =20 static struct mptcp_pm_addr_entry * -__lookup_addr(struct pm_nl_pernet *pernet, const struct mptcp_addr_info *i= nfo, - bool lookup_by_id) +__lookup_addr(struct pm_nl_pernet *pernet, const struct mptcp_addr_info *i= nfo) { struct mptcp_pm_addr_entry *entry; =20 list_for_each_entry(entry, &pernet->local_addr_list, list) { - if ((!lookup_by_id && - mptcp_addresses_equal(&entry->addr, info, entry->addr.port)) || - (lookup_by_id && entry->addr.id =3D=3D info->id)) + if (mptcp_addresses_equal(&entry->addr, info, entry->addr.port)) return entry; } return NULL; @@ -496,7 +493,7 @@ static void mptcp_pm_create_subflow_or_signal_addr(stru= ct mptcp_sock *msk) =20 mptcp_local_address((struct sock_common *)msk->first, &mpc_addr); rcu_read_lock(); - entry =3D __lookup_addr(pernet, &mpc_addr, false); + entry =3D __lookup_addr(pernet, &mpc_addr); if (entry) { __clear_bit(entry->addr.id, msk->pm.id_avail_bitmap); msk->mpc_endpoint_id =3D entry->addr.id; @@ -1835,7 +1832,8 @@ int mptcp_pm_nl_set_flags(struct net *net, struct mpt= cp_pm_addr_entry *addr, u8 } =20 spin_lock_bh(&pernet->lock); - entry =3D __lookup_addr(pernet, &addr->addr, lookup_by_id); + entry =3D lookup_by_id ? __lookup_addr_by_id(pernet, addr->addr.id) : + __lookup_addr(pernet, &addr->addr); if (!entry) { spin_unlock_bh(&pernet->lock); return -EINVAL; --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-176.mta1.migadu.com (out-176.mta1.migadu.com [95.215.58.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 75697134A4 for ; Fri, 8 Dec 2023 10:07:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="hx95sV5l" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030033; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=RqqS0iQEoA3bV8e0aTeRjxNaDYguqGuxLUxyorre9w8=; b=hx95sV5lg44GFkdrUJuYdiyQiOIL6pYzM1ZS5y2tOafL/F14HuX67A82SvgzMWOy7shvM9 Aa2YxMBvXMNYSrhiI2R0U5dM8vB2F+xVnzHVD4z3/d5kmUVgswj6bdnnsTPyPPlbSIZ592 oTK3OzOq9822i1uVdrrkA2ROUHlFDEE= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 06/25] mptcp: dump addrs in userspace pm list Date: Fri, 8 Dec 2023 18:07:19 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" This patch adds a new function __userspace_pm_lookup_addr_by_id() to lookup the address entry by the given id in the userspace local addresses list. Invoke it when dumping addresses from netlink commands. Signed-off-by: Geliang Tang --- net/mptcp/pm_netlink.c | 9 +++++++-- net/mptcp/pm_userspace.c | 25 +++++++++++++++++++++++++ net/mptcp/protocol.h | 2 ++ 3 files changed, 34 insertions(+), 2 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 1c85d711a86e..489a7723efc4 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -1676,8 +1676,13 @@ int mptcp_pm_nl_get_addr_dumpit(struct sk_buff *msg, for (i =3D id; i < MPTCP_PM_MAX_ADDR_ID + 1; i++) { if (test_bit(i, pernet->id_bitmap)) { entry =3D __lookup_addr_by_id(pernet, i); - if (!entry) - break; + if (!entry) { + spin_unlock_bh(&pernet->lock); + entry =3D __userspace_pm_lookup_addr_by_id(net, i); + spin_lock_bh(&pernet->lock); + if (!entry) + break; + } =20 if (entry->addr.id <=3D id) continue; diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index 6999296cd5db..5e45e36ce1d3 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -549,3 +549,28 @@ int mptcp_userspace_pm_set_flags(struct net *net, stru= ct nlattr *token, sock_put(sk); return ret; } + +struct mptcp_pm_addr_entry * +__userspace_pm_lookup_addr_by_id(struct net *net, unsigned int id) +{ + struct mptcp_pm_addr_entry *entry =3D NULL; + long s_slot =3D 0, s_num =3D 0; + struct mptcp_sock *msk; + + while ((msk =3D mptcp_token_iter_next(net, &s_slot, &s_num)) !=3D NULL) { + struct sock *sk =3D (struct sock *)msk; + + if (mptcp_pm_is_userspace(msk)) { + lock_sock(sk); + spin_lock_bh(&msk->pm.lock); + entry =3D mptcp_userspace_pm_lookup_addr_by_id(msk, id); + spin_unlock_bh(&msk->pm.lock); + release_sock(sk); + } + + sock_put(sk); + cond_resched(); + } + + return entry; +} diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 8296bdf58f90..3ab4a4f1bf81 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -1025,6 +1025,8 @@ bool mptcp_pm_rm_addr_signal(struct mptcp_sock *msk, = unsigned int remaining, int mptcp_pm_get_local_id(struct mptcp_sock *msk, struct sock_common *skc); int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct mptcp_addr_inf= o *skc); int mptcp_userspace_pm_get_local_id(struct mptcp_sock *msk, struct mptcp_a= ddr_info *skc); +struct mptcp_pm_addr_entry * +__userspace_pm_lookup_addr_by_id(struct net *net, unsigned int id); =20 void __init mptcp_pm_nl_init(void); void mptcp_pm_nl_work(struct mptcp_sock *msk); --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-187.mta1.migadu.com (out-187.mta1.migadu.com [95.215.58.187]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 39503134DC for ; Fri, 8 Dec 2023 10:07:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="D5MfbsNq" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030034; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=z0bFDxpJATQq5MWkRdHWJjEJ5SNSL+USGhUXZLDXPwE=; b=D5MfbsNqlaYjuvdXWgZC3jaYAt27Dm/5vnH5QzEzMFe3FmRp4GIdxaPolgQLvSuEov13oV 3WNPB84vkkeZDc00vIDDlEC1R85isKERvNWDstSOUVGOxsRnbCkGgyg2ptO9Q8r+oFVy7r bmL3jRI0VjHhdixMidJOL/yEvGTIuUk= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 07/25] mptcp: check userspace pm subflow flag Date: Fri, 8 Dec 2023 18:07:20 +0800 Message-Id: <1a5e36073610803929b273ea857a1101d871a498.1702029538.git.geliang.tang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" This patch uses mptcp_pm_parse_entry() instead of mptcp_pm_parse_addr() to get the flags of the entry. Add MPTCP_PM_ADDR_FLAG_SUBFLOW flag check in mptcp_pm_nl_subflow_create_doit(). Signed-off-by: Geliang Tang --- net/mptcp/pm_userspace.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index 5e45e36ce1d3..de10be21bf26 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -347,12 +347,19 @@ int mptcp_pm_nl_subflow_create_doit(struct sk_buff *s= kb, struct genl_info *info) goto create_err; } =20 - err =3D mptcp_pm_parse_addr(laddr, info, &addr_l); + err =3D mptcp_pm_parse_entry(laddr, info, true, &local); if (err < 0) { NL_SET_ERR_MSG_ATTR(info->extack, laddr, "error parsing local addr"); goto create_err; } =20 + if (!(local.flags & MPTCP_PM_ADDR_FLAG_SUBFLOW)) { + GENL_SET_ERR_MSG(info, "invalid addr flags"); + err =3D -EINVAL; + goto create_err; + } + addr_l =3D local.addr; + err =3D mptcp_pm_parse_addr(raddr, info, &addr_r); if (err < 0) { NL_SET_ERR_MSG_ATTR(info->extack, raddr, "error parsing remote addr"); @@ -365,7 +372,6 @@ int mptcp_pm_nl_subflow_create_doit(struct sk_buff *skb= , struct genl_info *info) goto create_err; } =20 - local.addr =3D addr_l; err =3D mptcp_userspace_pm_append_new_local_addr(msk, &local); if (err < 0) { GENL_SET_ERR_MSG(info, "did not match address and id"); --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-177.mta1.migadu.com (out-177.mta1.migadu.com [95.215.58.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 07A16134BD for ; Fri, 8 Dec 2023 10:07:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="AbHsA8LP" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030035; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iCRljyM6OH4MsBLRN/q3Q8fR6iBdnpBdYGMdYVR28SY=; b=AbHsA8LPjIA8jOd/LpM2NI9o99uTUhLxzFj6Vhd1XrMPcORoixgXXrw6cn9pso3B9/GTM7 rN5bnC2I064XFzAv7kdfmxR7AhWOoClrPA3h+ZBkcLqtxS+aZHwJTLieKRphBegSjZCaqx 3FhVBdbPctVAjBPjHivrd+JTSbJz9jM= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 08/25] selftests: mptcp: add userspace pm subflow flag Date: Fri, 8 Dec 2023 18:07:21 +0800 Message-Id: <514b30a82b344f786262be58212b53bc33c67d23.1702029538.git.geliang.tang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" This patch adds the address flag MPTCP_PM_ADDR_FLAG_SUBFLOW in csf() in pm_nl_ctl.c when subflow is created by a userspace PM. Signed-off-by: Geliang Tang --- tools/testing/selftests/net/mptcp/pm_nl_ctl.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c b/tools/testing/= selftests/net/mptcp/pm_nl_ctl.c index 49369c4a5f26..e97856323ec3 100644 --- a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c +++ b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c @@ -453,6 +453,7 @@ int csf(int fd, int pm_family, int argc, char *argv[]) char data[NLMSG_ALIGN(sizeof(struct nlmsghdr)) + NLMSG_ALIGN(sizeof(struct genlmsghdr)) + 1024]; + u_int32_t flags =3D MPTCP_PM_ADDR_FLAG_SUBFLOW; const char *params[5]; struct nlmsghdr *nh; struct rtattr *addr; @@ -558,6 +559,13 @@ int csf(int fd, int pm_family, int argc, char *argv[]) off +=3D NLMSG_ALIGN(rta->rta_len); } =20 + /* addr flags */ + rta =3D (void *)(data + off); + rta->rta_type =3D MPTCP_PM_ADDR_ATTR_FLAGS; + rta->rta_len =3D RTA_LENGTH(4); + memcpy(RTA_DATA(rta), &flags, 4); + off +=3D NLMSG_ALIGN(rta->rta_len); + addr->rta_len =3D off - addr_start; } =20 --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-174.mta1.migadu.com (out-174.mta1.migadu.com [95.215.58.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CCC59134A4 for ; Fri, 8 Dec 2023 10:07:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="R1KZo08N" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030036; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LP1C8/HImQQd6UwwwVrAuIEW6juQTxQcMv1BIo+r+Wk=; b=R1KZo08NRr+S/mraHlpsc7oIrPx0oSqcR8D3ik9UOTeTnVeJ2IR/FH9IGSYgcLGmtH3mS+ gQIyGcZ4z60Jv55DPl2J9euhX412Ym/qyUaiA0mMNsK4BEYUCYL3FnSeNbQfi2Mf/jUrdX xynW1+Wc4d+LXR3TKq/AOERm7njMpsY= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 09/25] selftests: mptcp: dump userspace addrs list Date: Fri, 8 Dec 2023 18:07:22 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" This patch tests newly added dump command for the userspace PM. Add two new tests for userspace pm dump address and subflow. Use the helpers userspace_pm_add_addr() and userspace_pm_add_sf() to add an address and a suflow. Similar to check() in pm_netlink.sh, add a new helper check_output() in mptcp_join.sh to check the output of the given commands. Use it to check the outputs of dump commands. Signed-off-by: Geliang Tang --- .../testing/selftests/net/mptcp/mptcp_join.sh | 75 +++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testin= g/selftests/net/mptcp/mptcp_join.sh index 3cd066e6e2b0..16710e4b89d5 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -21,6 +21,7 @@ cinfail=3D"" cinsent=3D"" tmpfile=3D"" cout=3D"" +check_output_err=3D"" capout=3D"" ns1=3D"" ns2=3D"" @@ -186,6 +187,7 @@ init() { cout=3D$(mktemp) evts_ns1=3D$(mktemp) evts_ns2=3D$(mktemp) + check_output_err=3D$(mktemp) =20 trap cleanup EXIT =20 @@ -199,6 +201,7 @@ cleanup() rm -f "$sin" "$sout" "$cinsent" "$cinfail" rm -f "$tmpfile" rm -rf $evts_ns1 $evts_ns2 + rm -f $check_output_err cleanup_partial } =20 @@ -3356,6 +3359,32 @@ userspace_pm_rm_sf() wait_rm_sf $1 "${cnt}" } =20 +check_output() { + : "${check_output_err:?}" + : "${ret:?}" + + local cmd=3D"$1" + local expected=3D"$2" + local msg=3D"$3" + local out=3D`$cmd 2>$check_output_err` + local cmd_ret=3D$? + + printf "%-42s" "$msg" + if [ $cmd_ret -ne 0 ]; then + mptcp_lib_print_err "[ FAIL ] command execution '$cmd' stderr " + cat $check_output_err + ret=3D${KSFT_FAIL} + return $cmd_ret + elif [ "$out" =3D "$expected" ]; then + mptcp_lib_print_ok "[ OK ]" + return 0 + else + mptcp_lib_print_err "[ FAIL ] expected '$expected' got '$out'" + ret=3D${KSFT_FAIL} + return 1 + fi +} + userspace_tests() { # userspace pm type prevents add_addr @@ -3545,6 +3574,52 @@ userspace_tests() kill_events_pids wait $tests_pid fi + + # userspace pm dump address + if reset_with_events "userspace pm dump address" && + continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then + set_userspace_pm $ns1 + pm_nl_set_limits $ns2 1 1 + speed=3D5 \ + run_tests $ns1 $ns2 10.0.1.1 & + local tests_pid=3D$! + wait_mpj $ns1 + 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 + local dump=3D"id 10 flags signal 10.0.2.1" + [ $ip_mptcp -eq 1 ] && dump=3D"10.0.2.1 id 10 signal " + check_output "pm_nl_show_endpoints $ns1" \ + "$dump" " dump addrs signal" + kill_events_pids + wait $tests_pid + fi + + # userspace pm dump subflow + if reset_with_events "userspace pm dump subflow" && + continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then + set_userspace_pm $ns2 + pm_nl_set_limits $ns1 0 1 + speed=3D5 \ + run_tests $ns1 $ns2 10.0.1.1 & + local tests_pid=3D$! + wait_mpj $ns2 + chk_mptcp_info subflows 0 subflows 0 + chk_subflows_total 1 1 + 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 + local dump=3D"id 20 flags subflow 10.0.3.2" + [ $ip_mptcp -eq 1 ] && dump=3D"10.0.3.2 id 20 subflow " + check_output "pm_nl_show_endpoints $ns2" \ + "$dump" " dump addrs subflow" + kill_events_pids + wait $tests_pid + fi } =20 endpoint_tests() --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-181.mta1.migadu.com (out-181.mta1.migadu.com [95.215.58.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CAC2412B74 for ; Fri, 8 Dec 2023 10:07:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="AqIvitlv" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030037; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ch0GW7CPQBWJTz8hM4TA8X5hiOfZveb0r8onZzXhKOE=; b=AqIvitlv4s8JjzEeUHsBgu2SxbdHEYbI1tye/aKa6CoF2jVfdfhn96oN1pnUQ4dxOULO79 QZYQQyrsS11s7e6w2osS0Nu29GArOKKKGKJppMsPWTDqYDpL8Ej+KfEr0Ml52c3EJ60Jqh V1uPtjKk8hq07muO87VRRyGmqIaotlk= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 10/25] mptcp: set set_id flag when parsing addr Date: Fri, 8 Dec 2023 18:07:23 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" When userspace PM requires to create an ID 0 subflow in "userspace pm create id 0 subflow" test like this: userspace_pm_add_sf $ns2 10.0.3.2 0 An Id 1 subflow, in fact, is created. Since in mptcp_pm_nl_append_new_local_addr(), 'id 0' will be treated as no ID is set by userspace, and will allocate a new ID immediately: if (!e->addr.id) e->addr.id =3D find_next_zero_bit(pernet->id_bitmap, MPTCP_PM_MAX_ADDR_ID + 1, 1); To solve this issue, a 'set_id' flag is needed to distinguish between whether userspace has set an ID 0 or whether userspace has not set any address. This patch adds a new parameter 'set_id' for mptcp_pm_parse_entry() and mptcp_pm_parse_pm_addr_attr(), and pass a 'set_id' flag to them. If an address id is set from userspace, this flag will be set as true. Fixes: e5ed101a6028 ("mptcp: userspace pm allow creating id 0 subflow") Signed-off-by: Geliang Tang --- net/mptcp/pm_netlink.c | 26 ++++++++++++++++---------- net/mptcp/pm_userspace.c | 6 ++++-- net/mptcp/protocol.h | 3 ++- 3 files changed, 22 insertions(+), 13 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 489a7723efc4..6cf93ff508c6 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -1111,7 +1111,8 @@ static int mptcp_pm_parse_pm_addr_attr(struct nlattr = *tb[], const struct nlattr *attr, struct genl_info *info, struct mptcp_addr_info *addr, - bool require_family) + bool require_family, + bool *set_id) { int err, addr_addr; =20 @@ -1126,8 +1127,11 @@ static int mptcp_pm_parse_pm_addr_attr(struct nlattr= *tb[], if (err) return err; =20 - if (tb[MPTCP_PM_ADDR_ATTR_ID]) + if (tb[MPTCP_PM_ADDR_ATTR_ID]) { addr->id =3D nla_get_u8(tb[MPTCP_PM_ADDR_ATTR_ID]); + if (set_id) + *set_id =3D true; + } =20 if (!tb[MPTCP_PM_ADDR_ATTR_FAMILY]) { if (!require_family) @@ -1175,19 +1179,20 @@ int mptcp_pm_parse_addr(struct nlattr *attr, struct= genl_info *info, =20 memset(addr, 0, sizeof(*addr)); =20 - return mptcp_pm_parse_pm_addr_attr(tb, attr, info, addr, true); + return mptcp_pm_parse_pm_addr_attr(tb, attr, info, addr, true, NULL); } =20 int mptcp_pm_parse_entry(struct nlattr *attr, struct genl_info *info, bool require_family, - struct mptcp_pm_addr_entry *entry) + struct mptcp_pm_addr_entry *entry, + bool *set_id) { struct nlattr *tb[MPTCP_PM_ADDR_ATTR_MAX + 1]; int err; =20 memset(entry, 0, sizeof(*entry)); =20 - err =3D mptcp_pm_parse_pm_addr_attr(tb, attr, info, &entry->addr, require= _family); + err =3D mptcp_pm_parse_pm_addr_attr(tb, attr, info, &entry->addr, require= _family, set_id); if (err) return err; =20 @@ -1242,9 +1247,10 @@ int mptcp_pm_nl_add_addr_doit(struct sk_buff *skb, s= truct genl_info *info) struct nlattr *attr =3D info->attrs[MPTCP_PM_ENDPOINT_ADDR]; struct pm_nl_pernet *pernet =3D genl_info_pm_nl(info); struct mptcp_pm_addr_entry addr, *entry; + bool set_id =3D false; int ret; =20 - ret =3D mptcp_pm_parse_entry(attr, info, true, &addr); + ret =3D mptcp_pm_parse_entry(attr, info, true, &addr, &set_id); if (ret < 0) return ret; =20 @@ -1426,7 +1432,7 @@ int mptcp_pm_nl_del_addr_doit(struct sk_buff *skb, st= ruct genl_info *info) unsigned int addr_max; int ret; =20 - ret =3D mptcp_pm_parse_entry(attr, info, false, &addr); + ret =3D mptcp_pm_parse_entry(attr, info, false, &addr, NULL); if (ret < 0) return ret; =20 @@ -1619,7 +1625,7 @@ int mptcp_pm_nl_get_addr_doit(struct sk_buff *skb, st= ruct genl_info *info) void *reply; int ret; =20 - ret =3D mptcp_pm_parse_entry(attr, info, false, &addr); + ret =3D mptcp_pm_parse_entry(attr, info, false, &addr, NULL); if (ret < 0) return ret; =20 @@ -1869,12 +1875,12 @@ int mptcp_pm_nl_set_flags_doit(struct sk_buff *skb,= struct genl_info *info) u8 bkup =3D 0; int ret; =20 - ret =3D mptcp_pm_parse_entry(attr, info, false, &addr); + ret =3D mptcp_pm_parse_entry(attr, info, false, &addr, NULL); if (ret < 0) return ret; =20 if (attr_rem) { - ret =3D mptcp_pm_parse_entry(attr_rem, info, false, &remote); + ret =3D mptcp_pm_parse_entry(attr_rem, info, false, &remote, NULL); if (ret < 0) return ret; } diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index de10be21bf26..3d4258d2e269 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -156,6 +156,7 @@ int mptcp_pm_nl_announce_doit(struct sk_buff *skb, stru= ct genl_info *info) struct nlattr *addr =3D info->attrs[MPTCP_PM_ATTR_ADDR]; struct mptcp_pm_addr_entry addr_val; struct mptcp_sock *msk; + bool set_id =3D false; int err =3D -EINVAL; struct sock *sk; u32 token_val; @@ -180,7 +181,7 @@ int mptcp_pm_nl_announce_doit(struct sk_buff *skb, stru= ct genl_info *info) goto announce_err; } =20 - err =3D mptcp_pm_parse_entry(addr, info, true, &addr_val); + err =3D mptcp_pm_parse_entry(addr, info, true, &addr_val, &set_id); if (err < 0) { GENL_SET_ERR_MSG(info, "error parsing local address"); goto announce_err; @@ -323,6 +324,7 @@ int mptcp_pm_nl_subflow_create_doit(struct sk_buff *skb= , struct genl_info *info) struct mptcp_addr_info addr_r; struct mptcp_addr_info addr_l; struct mptcp_sock *msk; + bool set_id =3D false; int err =3D -EINVAL; struct sock *sk; u32 token_val; @@ -347,7 +349,7 @@ int mptcp_pm_nl_subflow_create_doit(struct sk_buff *skb= , struct genl_info *info) goto create_err; } =20 - err =3D mptcp_pm_parse_entry(laddr, info, true, &local); + err =3D mptcp_pm_parse_entry(laddr, info, true, &local, &set_id); if (err < 0) { NL_SET_ERR_MSG_ATTR(info->extack, laddr, "error parsing local addr"); goto create_err; diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 3ab4a4f1bf81..ab125ccab313 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -885,7 +885,8 @@ int mptcp_pm_parse_addr(struct nlattr *attr, struct gen= l_info *info, struct mptcp_addr_info *addr); int mptcp_pm_parse_entry(struct nlattr *attr, struct genl_info *info, bool require_family, - struct mptcp_pm_addr_entry *entry); + struct mptcp_pm_addr_entry *entry, + bool *set_id); bool mptcp_pm_addr_families_match(const struct sock *sk, const struct mptcp_addr_info *loc, const struct mptcp_addr_info *rem); --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-183.mta1.migadu.com (out-183.mta1.migadu.com [95.215.58.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 97BAA12E64 for ; Fri, 8 Dec 2023 10:07:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="k/rytOv+" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030038; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=crIFouS/5YIX1nEDP0AYR3Ew550C2j8bD1xbu7b/TIg=; b=k/rytOv+Qa1MELFabOuUbzvXMzCl+p4aXF8sp1sS3MtoRlrJYNo6LDiDkXunKIiFC22MnW igS8pHVzUBlyZ8/LdaYDhRN/q5cvLhnL3yLaPUmVYgrb7SR0ztMb2agfrKtdE/qn35+sBl KFJlQDRTkMeLRjCfPuBG7M9NQW+hHzA= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 11/25] mptcp: use set_id flag when appending addr Date: Fri, 8 Dec 2023 18:07:24 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" This patch uses 'set_id' flag when appending new addr, adds a new parameter 'set_id' for mptcp_pm_nl_append_new_local_addr() in pm_netlink and mptcp_userspace_pm_append_new_local_addr() in pm_userspace. Pass the flag 'set_id', which was set when parsing the address, into these append new local address functions. If this flag is set, do not alloc new address ID from id_bitmap, just keep the userspace set address ID. Fixes: e5ed101a6028 ("mptcp: userspace pm allow creating id 0 subflow") Signed-off-by: Geliang Tang --- net/mptcp/pm_netlink.c | 11 ++++++----- net/mptcp/pm_userspace.c | 13 +++++++------ 2 files changed, 13 insertions(+), 11 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 6cf93ff508c6..7edbe935c139 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -855,7 +855,8 @@ static void __mptcp_pm_release_addr_entry(struct mptcp_= pm_addr_entry *entry) } =20 static int mptcp_pm_nl_append_new_local_addr(struct pm_nl_pernet *pernet, - struct mptcp_pm_addr_entry *entry) + struct mptcp_pm_addr_entry *entry, + bool set_id) { struct mptcp_pm_addr_entry *cur, *del_entry =3D NULL; unsigned int addr_max; @@ -903,7 +904,7 @@ static int mptcp_pm_nl_append_new_local_addr(struct pm_= nl_pernet *pernet, } } =20 - if (!entry->addr.id) { + if (!entry->addr.id && !set_id) { find_next: entry->addr.id =3D find_next_zero_bit(pernet->id_bitmap, MPTCP_PM_MAX_ADDR_ID + 1, @@ -914,7 +915,7 @@ static int mptcp_pm_nl_append_new_local_addr(struct pm_= nl_pernet *pernet, } } =20 - if (!entry->addr.id) + if (!entry->addr.id && !set_id) goto out; =20 __set_bit(entry->addr.id, pernet->id_bitmap); @@ -1044,7 +1045,7 @@ int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, = struct mptcp_addr_info *skc entry->ifindex =3D 0; entry->flags =3D MPTCP_PM_ADDR_FLAG_IMPLICIT; entry->lsk =3D NULL; - ret =3D mptcp_pm_nl_append_new_local_addr(pernet, entry); + ret =3D mptcp_pm_nl_append_new_local_addr(pernet, entry, false); if (ret < 0) kfree(entry); =20 @@ -1284,7 +1285,7 @@ int mptcp_pm_nl_add_addr_doit(struct sk_buff *skb, st= ruct genl_info *info) goto out_free; } } - ret =3D mptcp_pm_nl_append_new_local_addr(pernet, entry); + ret =3D mptcp_pm_nl_append_new_local_addr(pernet, entry, set_id); if (ret < 0) { GENL_SET_ERR_MSG_FMT(info, "too many addresses or duplicate one: %d", re= t); goto out_free; diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index 3d4258d2e269..c9dc25fa8540 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -38,7 +38,8 @@ mptcp_userspace_pm_lookup_addr_by_id(struct mptcp_sock *m= sk, unsigned int id) } =20 static int mptcp_userspace_pm_append_new_local_addr(struct mptcp_sock *msk, - struct mptcp_pm_addr_entry *entry) + struct mptcp_pm_addr_entry *entry, + bool set_id) { struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); struct mptcp_pm_addr_entry *match =3D NULL; @@ -51,7 +52,7 @@ static int mptcp_userspace_pm_append_new_local_addr(struc= t mptcp_sock *msk, spin_lock_bh(&msk->pm.lock); list_for_each_entry(e, &msk->pm.userspace_pm_local_addr_list, list) { addr_match =3D mptcp_addresses_equal(&e->addr, &entry->addr, true); - if (addr_match && entry->addr.id =3D=3D 0) + if (addr_match && entry->addr.id =3D=3D 0 && !set_id) entry->addr.id =3D e->addr.id; id_match =3D (e->addr.id =3D=3D entry->addr.id); if (addr_match && id_match) { @@ -73,7 +74,7 @@ static int mptcp_userspace_pm_append_new_local_addr(struc= t mptcp_sock *msk, } =20 *e =3D *entry; - if (!e->addr.id) + if (!e->addr.id && !set_id) e->addr.id =3D find_next_zero_bit(pernet->id_bitmap, MPTCP_PM_MAX_ADDR_ID + 1, 1); @@ -147,7 +148,7 @@ int mptcp_userspace_pm_get_local_id(struct mptcp_sock *= msk, if (new_entry.addr.port =3D=3D msk_sport) new_entry.addr.port =3D 0; =20 - return mptcp_userspace_pm_append_new_local_addr(msk, &new_entry); + return mptcp_userspace_pm_append_new_local_addr(msk, &new_entry, false); } =20 int mptcp_pm_nl_announce_doit(struct sk_buff *skb, struct genl_info *info) @@ -193,7 +194,7 @@ int mptcp_pm_nl_announce_doit(struct sk_buff *skb, stru= ct genl_info *info) goto announce_err; } =20 - err =3D mptcp_userspace_pm_append_new_local_addr(msk, &addr_val); + err =3D mptcp_userspace_pm_append_new_local_addr(msk, &addr_val, set_id); if (err < 0) { GENL_SET_ERR_MSG(info, "did not match address and id"); goto announce_err; @@ -374,7 +375,7 @@ int mptcp_pm_nl_subflow_create_doit(struct sk_buff *skb= , struct genl_info *info) goto create_err; } =20 - err =3D mptcp_userspace_pm_append_new_local_addr(msk, &local); + err =3D mptcp_userspace_pm_append_new_local_addr(msk, &local, set_id); if (err < 0) { GENL_SET_ERR_MSG(info, "did not match address and id"); goto create_err; --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-173.mta1.migadu.com (out-173.mta1.migadu.com [95.215.58.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 85BCB12E7D for ; Fri, 8 Dec 2023 10:07:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="ASmS+3Bu" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030039; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=CU3e2Gh+sal9WlF3Jam4Kyqeznu14l4lh5iIEm6wp1I=; b=ASmS+3Buhd6pIufVEmFprGCrmNFSfmiB2xLl/dlDVsbBf6OV1LLIrRfA0YaRlYsGyjMsSG iW2gpBJhRjU3C455Qdlxwa9OLIwVKCCHN7kAmX2SdZYl0nMs2b0N8C3NZexvbkGRE8OZuP SlXY/7oIIrRmP9FmKvdeNwVwyv8RBeo= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 12/25] mptcp: check addrs list in userspace_pm_get_local_id Date: Fri, 8 Dec 2023 18:07:25 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" Before adding a new entry in mptcp_userspace_pm_get_local_id(), it's better to check whether this address is already in userspace pm local address list. If it's in the list, no need to add a new entry, just return it's address ID and use this address. Fixes: 8b20137012d9 ("mptcp: read attributes of addr entries managed by use= rspace PMs") Signed-off-by: Geliang Tang --- net/mptcp/pm_userspace.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index c9dc25fa8540..489bb0e61118 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -136,10 +136,21 @@ int mptcp_userspace_pm_get_flags_and_ifindex_by_id(st= ruct mptcp_sock *msk, int mptcp_userspace_pm_get_local_id(struct mptcp_sock *msk, struct mptcp_addr_info *skc) { - struct mptcp_pm_addr_entry new_entry; + struct mptcp_pm_addr_entry *entry =3D NULL, *e, new_entry; __be16 msk_sport =3D ((struct inet_sock *) inet_sk((struct sock *)msk))->inet_sport; =20 + spin_lock_bh(&msk->pm.lock); + list_for_each_entry(e, &msk->pm.userspace_pm_local_addr_list, list) { + if (mptcp_addresses_equal(&e->addr, skc, false)) { + entry =3D e; + break; + } + } + spin_unlock_bh(&msk->pm.lock); + if (entry) + return entry->addr.id; + memset(&new_entry, 0, sizeof(struct mptcp_pm_addr_entry)); new_entry.addr =3D *skc; new_entry.addr.id =3D 0; --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-184.mta1.migadu.com (out-184.mta1.migadu.com [95.215.58.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8955912B74 for ; Fri, 8 Dec 2023 10:07:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="MRjc3Thv" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030039; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DA0B/WxYL0Fr/S5CYhGClSumO+0rO/50LqqEy5nH5jU=; b=MRjc3ThvPfHjRaJzmHj6k29k7r/L3xkQdiyJMnDjoSXoV0H+l8lEjYqDvt8tNFcvmqZ9DM N02EOkhlstZSed8dt5MXcG/S0BV5uMNHErfBx1qfcjRbd8vksd4y9pRzfqtj0nzqypdBRf m6pEBCL6/QyvvXo8jic6+ds6vE1dPkw= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 13/25] selftests: mptcp: dump after creating id 0 subflow Date: Fri, 8 Dec 2023 18:07:26 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" The output of dump command after creating a ID 0 subflow should be empty. Since ID 0 address doesn't list by dump command. This patch uses check_output() helper to check whether the output is empty in "userspace pm create id 0 subflow" test. Signed-off-by: Geliang Tang --- tools/testing/selftests/net/mptcp/mptcp_join.sh | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testin= g/selftests/net/mptcp/mptcp_join.sh index 16710e4b89d5..3a105f7239b8 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -3518,6 +3518,8 @@ userspace_tests() chk_mptcp_info subflows 0 subflows 0 chk_subflows_total 1 1 userspace_pm_add_sf $ns2 10.0.3.2 0 + check_output "pm_nl_show_endpoints $ns2" \ + "" " dump addrs id 0 subflow" chk_join_nr 1 1 1 chk_mptcp_info subflows 1 subflows 1 chk_subflows_total 2 2 --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-184.mta1.migadu.com (out-184.mta1.migadu.com [95.215.58.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5E29412E64 for ; Fri, 8 Dec 2023 10:07:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="toCTlL9u" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030040; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=b2MIZ0kBrVrlWjeqSW49xldVFtC7raNdDU8hm2sc0Tg=; b=toCTlL9u92AFpjepHHcLK0sPLNLAgYzdYhtvRyooqmlKXQh+lemgBwMe4JjJbBKSmd8nIi xD55cHWdF0EicJ+8QYKAJWKdPwZM+1BqoXrGU+g2SePlIGBDaspV2hoY/MapFQJQNZHZN8 H8xAMDoqHruyYVlHgY5qcJ9ATZpSuiU= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 14/25] mptcp: map v4 address to v6 when destroying subflow Date: Fri, 8 Dec 2023 18:07:27 +0800 Message-Id: <9804e377e2db617669eac40b4f7b6bca6a595aeb.1702029539.git.geliang.tang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" In mptcp_pm_nl_subflow_destroy_doit(), before checking local address family with remote address family, map an IPv4 address to an IPv6 address if the pair is a v4-mapped address. Signed-off-by: Geliang Tang --- net/mptcp/pm_userspace.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index 489bb0e61118..ce3d5dd8d34d 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -502,6 +502,16 @@ int mptcp_pm_nl_subflow_destroy_doit(struct sk_buff *s= kb, struct genl_info *info goto destroy_err; } =20 +#if IS_ENABLED(CONFIG_MPTCP_IPV6) + if (addr_l.family =3D=3D AF_INET && ipv6_addr_v4mapped(&addr_r.addr6)) { + ipv6_addr_set_v4mapped(addr_l.addr.s_addr, &addr_l.addr6); + addr_l.family =3D AF_INET6; + } + if (addr_r.family =3D=3D AF_INET && ipv6_addr_v4mapped(&addr_l.addr6)) { + ipv6_addr_set_v4mapped(addr_r.addr.s_addr, &addr_r.addr6); + addr_r.family =3D AF_INET6; + } +#endif if (addr_l.family !=3D addr_r.family) { GENL_SET_ERR_MSG(info, "address families do not match"); err =3D -EINVAL; --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-182.mta1.migadu.com (out-182.mta1.migadu.com [95.215.58.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A1FF12E7D for ; Fri, 8 Dec 2023 10:07:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="DajwfSyv" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030041; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rcFTUZP/KE9qWXB+Uj6s2KCozyPNoNZSqitLTBvTgiE=; b=DajwfSyvXDtsHhlUL00JInM9LJhv5gshPEHS1bc+SgKg+NSDrz7XWn885i/0X0ZJEg1Pdn I0QF6Uklu5sH834iQITTUeBGCM5ovNvYNZO9IjCCesSt51LU8PsDX3mmjjVohgdFpSRhyS GrPlwXh1djIk5i89JgJRvgUCG//KyBA= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 15/25] selftests: mptcp: rm subflow with v4/v4mapped addr Date: Fri, 8 Dec 2023 18:07:28 +0800 Message-Id: <6ddcab72b1db14263349b7fb79f54dd33839eb03.1702029539.git.geliang.tang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" Now both a v4 address and a v4-mapped address are supported when destroying a userspace pm subflow, this patch adds random tests for both addresses. Signed-off-by: Geliang Tang --- tools/testing/selftests/net/mptcp/mptcp_join.sh | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testin= g/selftests/net/mptcp/mptcp_join.sh index 3a105f7239b8..49416324b4c2 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -3342,12 +3342,13 @@ userspace_pm_rm_sf() { local evts=3D$evts_ns1 local t=3D${3:-1} - local ip=3D4 + local ip local tk da dp sp local cnt =20 [ "$1" =3D=3D "$ns2" ] && evts=3D$evts_ns2 - if mptcp_lib_is_v6 $2; then ip=3D6; fi + [ -n "$(mptcp_lib_evts_get_info "saddr4" "$evts" $t)" ] && ip=3D4 + [ -n "$(mptcp_lib_evts_get_info "saddr6" "$evts" $t)" ] && ip=3D6 tk=3D$(mptcp_lib_evts_get_info token "$evts") da=3D$(mptcp_lib_evts_get_info "daddr$ip" "$evts" $t) dp=3D$(mptcp_lib_evts_get_info dport "$evts" $t) @@ -3476,7 +3477,11 @@ userspace_tests() chk_subflows_total 2 2 chk_mptcp_info add_addr_signal 1 add_addr_accepted 1 userspace_pm_rm_addr $ns1 10 - userspace_pm_rm_sf $ns1 "::ffff:10.0.2.1" $SUB_ESTABLISHED + if [ $((RANDOM%2)) -eq 0 ]; then + userspace_pm_rm_sf $ns1 ::ffff:10.0.2.1 $SUB_ESTABLISHED + else + userspace_pm_rm_sf $ns1 10.0.2.1 $SUB_ESTABLISHED + fi chk_rm_nr 1 1 invert chk_mptcp_info subflows 0 subflows 0 chk_subflows_total 1 1 --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-176.mta1.migadu.com (out-176.mta1.migadu.com [95.215.58.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2F1B712B74 for ; Fri, 8 Dec 2023 10:07:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="FluBlNTK" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030042; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Mg0xboDdvCMDCKQ/eNLWuTc1Xo6CipFERUN0onAGoHc=; b=FluBlNTKhfWhkHWcLyYrNIKpojQeyct5lbzqLtmbT8WIAlioAHVscJBRllkD6xpTrzzBgs dkjz0CeXve41UihKIci7f5zCO1ZIkHWMdxyzCfr+6GxaO9jBkME3LszA1VMWtOPMAwHSiS CODqxJ0lJsQSJi+Bw2ReOf3NFNiq88s= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 16/25] mptcp: make pm_remove_addrs_and_subflows static Date: Fri, 8 Dec 2023 18:07:29 +0800 Message-Id: <54604b201f6f535023b6efb814786d75e99fb8f9.1702029539.git.geliang.tang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" mptcp_pm_remove_addrs_and_subflows() is only used in pm_netlink.c, it's no longer used in pm_userspace.c any more since the commit 8b1c94da1e48 ("mptcp: only send RM_ADDR in nl_cmd_remove"). So this patch changes it to a static function. Signed-off-by: Geliang Tang --- net/mptcp/pm_netlink.c | 4 ++-- net/mptcp/protocol.h | 2 -- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 7edbe935c139..95f56ea4af1f 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -1492,8 +1492,8 @@ void mptcp_pm_remove_addrs(struct mptcp_sock *msk, st= ruct list_head *rm_list) } } =20 -void mptcp_pm_remove_addrs_and_subflows(struct mptcp_sock *msk, - struct list_head *rm_list) +static void mptcp_pm_remove_addrs_and_subflows(struct mptcp_sock *msk, + struct list_head *rm_list) { struct mptcp_rm_list alist =3D { .nr =3D 0 }, slist =3D { .nr =3D 0 }; struct mptcp_pm_addr_entry *entry; diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index ab125ccab313..ca3f985d48a6 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -945,8 +945,6 @@ int mptcp_pm_announce_addr(struct mptcp_sock *msk, int mptcp_pm_remove_addr(struct mptcp_sock *msk, const struct mptcp_rm_lis= t *rm_list); int mptcp_pm_remove_subflow(struct mptcp_sock *msk, const struct mptcp_rm_= list *rm_list); void mptcp_pm_remove_addrs(struct mptcp_sock *msk, struct list_head *rm_li= st); -void mptcp_pm_remove_addrs_and_subflows(struct mptcp_sock *msk, - struct list_head *rm_list); =20 void mptcp_free_local_addr_list(struct mptcp_sock *msk); =20 --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-179.mta1.migadu.com (out-179.mta1.migadu.com [95.215.58.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1B919134C1 for ; Fri, 8 Dec 2023 10:07:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="KY48foo/" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030043; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=1HHBxUp6A9bEXz+Wy2LKMLVvoxdyVryy24xBbUB1/F0=; b=KY48foo/1PompJEo1ItY+SVH5tfKQUEf24JeLs7B5RDt2qQw4yTGegjFHUidvqa1Nf8qQM MMiKd4rt3O8bk/+ddEIKDvSAeWRNO5LRBZHQQPuWsBcnAzYS7bXSYZCAkX1ymN9dghsraf msDFb4HJjyi4reYoS2L9OXHa7D17l28= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 17/25] mptcp: add a prefix for free_local_addr_list Date: Fri, 8 Dec 2023 18:07:30 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" Same as other functions in pm_userspace.c, this patch renames mptcp_free_local_addr_list() with the userspace pm prefix as mptcp_userspace_pm_free_local_addr_list(). Signed-off-by: Geliang Tang --- net/mptcp/pm_userspace.c | 2 +- net/mptcp/protocol.c | 2 +- net/mptcp/protocol.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index ce3d5dd8d34d..1525823d7a4f 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -7,7 +7,7 @@ #include "protocol.h" #include "mib.h" =20 -void mptcp_free_local_addr_list(struct mptcp_sock *msk) +void mptcp_userspace_pm_free_local_addr_list(struct mptcp_sock *msk) { struct mptcp_pm_addr_entry *entry, *tmp; struct sock *sk =3D (struct sock *)msk; diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 1ef7ef20cc5d..56a877a44ece 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -3340,7 +3340,7 @@ void mptcp_destroy_common(struct mptcp_sock *msk, uns= igned int flags) WRITE_ONCE(msk->rmem_fwd_alloc, 0); mptcp_token_destroy(msk); mptcp_pm_free_anno_list(msk); - mptcp_free_local_addr_list(msk); + mptcp_userspace_pm_free_local_addr_list(msk); } =20 static void mptcp_destroy(struct sock *sk) diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index ca3f985d48a6..c69eed0d1a40 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -946,7 +946,7 @@ int mptcp_pm_remove_addr(struct mptcp_sock *msk, const = struct mptcp_rm_list *rm_ int mptcp_pm_remove_subflow(struct mptcp_sock *msk, const struct mptcp_rm_= list *rm_list); void mptcp_pm_remove_addrs(struct mptcp_sock *msk, struct list_head *rm_li= st); =20 -void mptcp_free_local_addr_list(struct mptcp_sock *msk); +void mptcp_userspace_pm_free_local_addr_list(struct mptcp_sock *msk); =20 void mptcp_event(enum mptcp_event_type type, const struct mptcp_sock *msk, const struct sock *ssk, gfp_t gfp); --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-177.mta1.migadu.com (out-177.mta1.migadu.com [95.215.58.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 17AD012B83 for ; Fri, 8 Dec 2023 10:07:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="rClM4mWF" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030044; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=avmygBuXEEQP5wgkYQggw8bWgd4xinzbcONrnzf/o4M=; b=rClM4mWFHhZ1Vd6vaLaqdNUQ8VIDLv02xXyN3gZ5XGHWy9IuHbhgde8RU6oDYEKW2zidVF ZyilDVbfwNzIYK4pN08tFSWUaF7pnTOKkM0W6YPUNH+MRvNX//QQwaD+ZtXxQcWUNS0iRz +Q6NbyzYa39tEtvLZvma0U095EmAIow= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v14 18/25] selftests: mptcp: flush userspace addrs list Date: Fri, 8 Dec 2023 18:07:31 +0800 Message-Id: <05a2cb3d56e7e35691acf9847568169d6f4f51dc.1702029539.git.geliang.tang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" This patch adds a new helper userspace_pm_flush() to flush all addresses for the userspace PM. Invoke it in userspace pm dump address and subflow tests. And use dump commands to check if the userspace pm local address list is empty after addresses flushing. Signed-off-by: Geliang Tang --- .../testing/selftests/net/mptcp/mptcp_join.sh | 45 +++++++++++++++++-- 1 file changed, 41 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testin= g/selftests/net/mptcp/mptcp_join.sh index 49416324b4c2..a6f60f3896d5 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -3360,6 +3360,31 @@ userspace_pm_rm_sf() wait_rm_sf $1 "${cnt}" } =20 +# $1: ns ; $2: addr +userspace_pm_flush() +{ + local ns=3D$1 + local line + + pm_nl_show_endpoints $ns | while read -r line; do + local arr=3D($line) + local nr=3D0 + local id + local addr + local i + for i in "${arr[@]}"; do + if [ $i =3D "id" ]; then + id=3D${arr[$nr+1]} + fi + nr=3D$((nr + 1)) + done + addr=3D${arr[$nr-1]} + [ $ip_mptcp -eq 1 ] && addr=3D${arr[0]} + userspace_pm_rm_addr $ns $id + userspace_pm_rm_sf $ns "$addr" $SUB_ESTABLISHED + done +} + check_output() { : "${check_output_err:?}" : "${ret:?}" @@ -3582,8 +3607,8 @@ userspace_tests() wait $tests_pid fi =20 - # userspace pm dump address - if reset_with_events "userspace pm dump address" && + # userspace pm dump & flush address + if reset_with_events "userspace pm dump & flush address" && continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then set_userspace_pm $ns1 pm_nl_set_limits $ns2 1 1 @@ -3601,12 +3626,18 @@ userspace_tests() [ $ip_mptcp -eq 1 ] && dump=3D"10.0.2.1 id 10 signal " check_output "pm_nl_show_endpoints $ns1" \ "$dump" " dump addrs signal" + userspace_pm_flush $ns1 + check_output "pm_nl_show_endpoints $ns1" \ + "" " dump addrs after flush" + chk_rm_nr 1 1 invert + chk_mptcp_info subflows 0 subflows 0 + chk_subflows_total 1 1 kill_events_pids wait $tests_pid fi =20 - # userspace pm dump subflow - if reset_with_events "userspace pm dump subflow" && + # userspace pm dump & flush subflow + if reset_with_events "userspace pm dump & flush subflow" && continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then set_userspace_pm $ns2 pm_nl_set_limits $ns1 0 1 @@ -3624,6 +3655,12 @@ userspace_tests() [ $ip_mptcp -eq 1 ] && dump=3D"10.0.3.2 id 20 subflow " check_output "pm_nl_show_endpoints $ns2" \ "$dump" " dump addrs subflow" + userspace_pm_flush $ns2 + check_output "pm_nl_show_endpoints $ns2" \ + "" " dump addrs after flush" + chk_rm_nr 1 1 + chk_mptcp_info subflows 0 subflows 0 + chk_subflows_total 1 1 kill_events_pids wait $tests_pid fi --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-171.mta1.migadu.com (out-171.mta1.migadu.com [95.215.58.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1CB4C12E64 for ; Fri, 8 Dec 2023 10:07:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="sHITOJbC" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030045; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sK+kc6etbti9DTQfKNTuuBZ6i3R9h/H3wzpmpqhm4U8=; b=sHITOJbCBIo7hr4i2A2Gg7e2pVL51TC9kedplVTiL/YIL1pjcCIZMfFSXYmr8J4Rx/kvmg IH0/6yZZ/HHkp/WLzqVQb2UjWXdzdECeQR2Qo6bEULJYhoIYMA4XM25P19ih6NjaAvSiYm 8M7V5LfoaNM2KZyIDC39iJjRBisGtow= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang , Geliang Tang Subject: [PATCH mptcp-next v14 19/25] mptcp: add use_id parameter for addresses_equal Date: Fri, 8 Dec 2023 18:07:32 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Geliang Tang This patch adds a new parameter use_id for mptcp_addresses_equal() to test the address ids, as well as the address. This can be used to test if the two given addresses are identically equal, they have both the same address and the same address id. Signed-off-by: Geliang Tang --- net/mptcp/pm.c | 2 +- net/mptcp/pm_netlink.c | 32 +++++++++++++++++++------------- net/mptcp/pm_userspace.c | 6 +++--- net/mptcp/protocol.h | 3 ++- 4 files changed, 25 insertions(+), 18 deletions(-) diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 48ff7ce20890..77a0e859076c 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -420,7 +420,7 @@ int mptcp_pm_get_local_id(struct mptcp_sock *msk, struc= t sock_common *skc) */ mptcp_local_address((struct sock_common *)msk, &msk_local); mptcp_local_address((struct sock_common *)skc, &skc_local); - if (mptcp_addresses_equal(&msk_local, &skc_local, false)) + if (mptcp_addresses_equal(&msk_local, &skc_local, false, false)) return 0; =20 if (mptcp_pm_is_userspace(msk)) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 95f56ea4af1f..708dfe869af7 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -47,7 +47,8 @@ pm_nl_get_pernet_from_msk(const struct mptcp_sock *msk) EXPORT_SYMBOL_GPL(pm_nl_get_pernet_from_msk); =20 bool mptcp_addresses_equal(const struct mptcp_addr_info *a, - const struct mptcp_addr_info *b, bool use_port) + const struct mptcp_addr_info *b, + bool use_port, bool use_id) { bool addr_equals =3D false; =20 @@ -68,10 +69,14 @@ bool mptcp_addresses_equal(const struct mptcp_addr_info= *a, =20 if (!addr_equals) return false; - if (!use_port) + if (!use_port && !use_id) return true; =20 - return a->port =3D=3D b->port; + if (use_port && use_id) + return (a->port =3D=3D b->port) && (a->id =3D=3D b->id); + if (use_port) + return a->port =3D=3D b->port; + return a->id =3D=3D b->id; } =20 void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_= info *addr) @@ -110,7 +115,7 @@ static bool lookup_subflow_by_saddr(const struct list_h= ead *list, skc =3D (struct sock_common *)mptcp_subflow_tcp_sock(subflow); =20 mptcp_local_address(skc, &cur); - if (mptcp_addresses_equal(&cur, saddr, saddr->port)) + if (mptcp_addresses_equal(&cur, saddr, saddr->port, false)) return true; } =20 @@ -128,7 +133,7 @@ static bool lookup_subflow_by_daddr(const struct list_h= ead *list, skc =3D (struct sock_common *)mptcp_subflow_tcp_sock(subflow); =20 remote_address(skc, &cur); - if (mptcp_addresses_equal(&cur, daddr, daddr->port)) + if (mptcp_addresses_equal(&cur, daddr, daddr->port, false)) return true; } =20 @@ -205,7 +210,7 @@ mptcp_lookup_anno_list_by_saddr(const struct mptcp_sock= *msk, lockdep_assert_held(&msk->pm.lock); =20 list_for_each_entry(entry, &msk->pm.anno_list, list) { - if (mptcp_addresses_equal(&entry->addr, addr, true)) + if (mptcp_addresses_equal(&entry->addr, addr, true, false)) return entry; } =20 @@ -222,7 +227,7 @@ bool mptcp_pm_sport_in_anno_list(struct mptcp_sock *msk= , const struct sock *sk) =20 spin_lock_bh(&msk->pm.lock); list_for_each_entry(entry, &msk->pm.anno_list, list) { - if (mptcp_addresses_equal(&entry->addr, &saddr, true)) { + if (mptcp_addresses_equal(&entry->addr, &saddr, true, false)) { ret =3D true; goto out; } @@ -463,7 +468,7 @@ __lookup_addr(struct pm_nl_pernet *pernet, const struct= mptcp_addr_info *info) struct mptcp_pm_addr_entry *entry; =20 list_for_each_entry(entry, &pernet->local_addr_list, list) { - if (mptcp_addresses_equal(&entry->addr, info, entry->addr.port)) + if (mptcp_addresses_equal(&entry->addr, info, entry->addr.port, false)) return entry; } return NULL; @@ -704,12 +709,12 @@ int mptcp_pm_nl_mp_prio_send_ack(struct mptcp_sock *m= sk, struct mptcp_addr_info local, remote; =20 mptcp_local_address((struct sock_common *)ssk, &local); - if (!mptcp_addresses_equal(&local, addr, addr->port)) + if (!mptcp_addresses_equal(&local, addr, addr->port, false)) continue; =20 if (rem && rem->family !=3D AF_UNSPEC) { remote_address((struct sock_common *)ssk, &remote); - if (!mptcp_addresses_equal(&remote, rem, rem->port)) + if (!mptcp_addresses_equal(&remote, rem, rem->port, false)) continue; } =20 @@ -884,7 +889,8 @@ static int mptcp_pm_nl_append_new_local_addr(struct pm_= nl_pernet *pernet, entry->addr.port =3D 0; list_for_each_entry(cur, &pernet->local_addr_list, list) { if (mptcp_addresses_equal(&cur->addr, &entry->addr, - cur->addr.port || entry->addr.port)) { + cur->addr.port || entry->addr.port, + false)) { /* allow replacing the exiting endpoint only if such * endpoint is an implicit one and the user-space * did not provide an endpoint id @@ -1025,7 +1031,7 @@ int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, = struct mptcp_addr_info *skc =20 rcu_read_lock(); list_for_each_entry_rcu(entry, &pernet->local_addr_list, list) { - if (mptcp_addresses_equal(&entry->addr, skc, entry->addr.port)) { + if (mptcp_addresses_equal(&entry->addr, skc, entry->addr.port, false)) { ret =3D entry->addr.id; break; } @@ -1407,7 +1413,7 @@ static int mptcp_nl_remove_id_zero_address(struct net= *net, goto next; =20 mptcp_local_address((struct sock_common *)msk, &msk_local); - if (!mptcp_addresses_equal(&msk_local, addr, addr->port)) + if (!mptcp_addresses_equal(&msk_local, addr, addr->port, false)) goto next; =20 lock_sock(sk); diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index 1525823d7a4f..b3b5d8180c84 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -51,7 +51,7 @@ static int mptcp_userspace_pm_append_new_local_addr(struc= t mptcp_sock *msk, =20 spin_lock_bh(&msk->pm.lock); list_for_each_entry(e, &msk->pm.userspace_pm_local_addr_list, list) { - addr_match =3D mptcp_addresses_equal(&e->addr, &entry->addr, true); + addr_match =3D mptcp_addresses_equal(&e->addr, &entry->addr, true, false= ); if (addr_match && entry->addr.id =3D=3D 0 && !set_id) entry->addr.id =3D e->addr.id; id_match =3D (e->addr.id =3D=3D entry->addr.id); @@ -102,7 +102,7 @@ static int mptcp_userspace_pm_delete_local_addr(struct = mptcp_sock *msk, struct mptcp_pm_addr_entry *entry, *tmp; =20 list_for_each_entry_safe(entry, tmp, &msk->pm.userspace_pm_local_addr_lis= t, list) { - if (mptcp_addresses_equal(&entry->addr, &addr->addr, false)) { + if (mptcp_addresses_equal(&entry->addr, &addr->addr, false, false)) { /* TODO: a refcount is needed because the entry can * be used multiple times (e.g. fullmesh mode). */ @@ -142,7 +142,7 @@ int mptcp_userspace_pm_get_local_id(struct mptcp_sock *= msk, =20 spin_lock_bh(&msk->pm.lock); list_for_each_entry(e, &msk->pm.userspace_pm_local_addr_list, list) { - if (mptcp_addresses_equal(&e->addr, skc, false)) { + if (mptcp_addresses_equal(&e->addr, skc, false, false)) { entry =3D e; break; } diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index c69eed0d1a40..084e88f69dfb 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -649,7 +649,8 @@ void mptcp_set_owner_r(struct sk_buff *skb, struct sock= *sk); void mptcp_set_state(struct sock *sk, int state); =20 bool mptcp_addresses_equal(const struct mptcp_addr_info *a, - const struct mptcp_addr_info *b, bool use_port); + const struct mptcp_addr_info *b, + bool use_port, bool use_id); void mptcp_local_address(const struct sock_common *skc, struct mptcp_addr_= info *addr); =20 /* called with sk socket lock held */ --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-179.mta1.migadu.com (out-179.mta1.migadu.com [95.215.58.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 50FCA12B83 for ; Fri, 8 Dec 2023 10:07:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="wmlgz+ls" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030046; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SlqchjReYEWHfejwz5GRd53n2n9fy5MpkV6KfjxDWh4=; b=wmlgz+lsFWHTYRkIU5W/cwvll8q+I5rYw3g9XVW9mlxZ0fRSJ5Qe0DCfnWhV+s6sVG4mSa Hkc8nrWs/AQfxZYOq2oi3AspYe01vf93r0KrmxY0T7UxyECl1ov4XPtSzS0aVBovVDbhoE Ny/YmNszED9a3qW+/1h0fe7PhOzJr8E= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang , Geliang Tang Subject: [PATCH mptcp-next v14 20/25] mptcp: add check_id for lookup_anno_list_by_saddr Date: Fri, 8 Dec 2023 18:07:33 +0800 Message-Id: <6d2db07259edf375b353fadaaf0b7d374e0b1959.1702029539.git.geliang.tang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Geliang Tang Add a new parameter check_id for mptcp_lookup_anno_list_by_saddr(), and pass it to mptcp_addresses_equal(). Then in mptcp_pm_del_add_timer(), the input parameter check_id can be passed as the new parameter into mptcp_lookup_anno_list_by_saddr(). After this, this condition: (!check_id || entry->addr.id =3D=3D addr->id) can be dropped, only test if 'entry' is NULL is enough. Signed-off-by: Geliang Tang --- net/mptcp/pm.c | 2 +- net/mptcp/pm_netlink.c | 13 +++++++------ net/mptcp/protocol.h | 3 ++- 3 files changed, 10 insertions(+), 8 deletions(-) diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 77a0e859076c..d5ae2e775059 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -259,7 +259,7 @@ void mptcp_pm_add_addr_echoed(struct mptcp_sock *msk, =20 spin_lock_bh(&pm->lock); =20 - if (mptcp_lookup_anno_list_by_saddr(msk, addr) && READ_ONCE(pm->work_pend= ing)) + if (mptcp_lookup_anno_list_by_saddr(msk, addr, false) && READ_ONCE(pm->wo= rk_pending)) mptcp_pm_schedule_work(msk, MPTCP_PM_SUBFLOW_ESTABLISHED); =20 spin_unlock_bh(&pm->lock); diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 708dfe869af7..2b3b6440147f 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -203,14 +203,15 @@ bool mptcp_pm_nl_check_work_pending(struct mptcp_sock= *msk) =20 struct mptcp_pm_add_entry * mptcp_lookup_anno_list_by_saddr(const struct mptcp_sock *msk, - const struct mptcp_addr_info *addr) + const struct mptcp_addr_info *addr, + bool check_id) { struct mptcp_pm_add_entry *entry; =20 lockdep_assert_held(&msk->pm.lock); =20 list_for_each_entry(entry, &msk->pm.anno_list, list) { - if (mptcp_addresses_equal(&entry->addr, addr, true, false)) + if (mptcp_addresses_equal(&entry->addr, addr, true, check_id)) return entry; } =20 @@ -290,12 +291,12 @@ mptcp_pm_del_add_timer(struct mptcp_sock *msk, struct sock *sk =3D (struct sock *)msk; =20 spin_lock_bh(&msk->pm.lock); - entry =3D mptcp_lookup_anno_list_by_saddr(msk, addr); - if (entry && (!check_id || entry->addr.id =3D=3D addr->id)) + entry =3D mptcp_lookup_anno_list_by_saddr(msk, addr, check_id); + if (entry) entry->retrans_times =3D ADD_ADDR_RETRANS_MAX; spin_unlock_bh(&msk->pm.lock); =20 - if (entry && (!check_id || entry->addr.id =3D=3D addr->id)) + if (entry) sk_stop_timer_sync(sk, &entry->add_timer); =20 return entry; @@ -310,7 +311,7 @@ bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk, =20 lockdep_assert_held(&msk->pm.lock); =20 - add_entry =3D mptcp_lookup_anno_list_by_saddr(msk, addr); + add_entry =3D mptcp_lookup_anno_list_by_saddr(msk, addr, false); =20 if (add_entry) { if (mptcp_pm_is_kernel(msk)) diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 084e88f69dfb..493ee1871eed 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -924,7 +924,8 @@ mptcp_pm_del_add_timer(struct mptcp_sock *msk, const struct mptcp_addr_info *addr, bool check_id); struct mptcp_pm_add_entry * mptcp_lookup_anno_list_by_saddr(const struct mptcp_sock *msk, - const struct mptcp_addr_info *addr); + const struct mptcp_addr_info *addr, + bool check_id); int mptcp_pm_get_flags_and_ifindex_by_id(struct mptcp_sock *msk, unsigned int id, u8 *flags, int *ifindex); --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-188.mta1.migadu.com (out-188.mta1.migadu.com [95.215.58.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 660B6134C1 for ; Fri, 8 Dec 2023 10:07:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="AQ3AE7vu" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030047; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yKr6d+acTanznmE07CbbGL9AOlfvEaLCQrL3R6xhK5I=; b=AQ3AE7vuFfb1okHIF2DzIo6wjUKf07Zgn3kvSfhVUNeuvxxiM+2dN66qooICxxYHQ6eG9g jOUB1GzosOuEOVAxoAomotzAxr54wx1ac7tFbL5TTlOkrtMmBwrNOltb3ezV2wFZcUsLo9 Y4Tgc0v1p2fxoB0wmJjvgOax+c3WIFM= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang , Geliang Tang Subject: [PATCH mptcp-next v14 21/25] mptcp: add userspace_pm_get_entry helper Date: Fri, 8 Dec 2023 18:07:34 +0800 Message-Id: <964a4d8b8554f3d798b1a388f78156bdadbaf220.1702029539.git.geliang.tang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Geliang Tang This patch adds a new helper mptcp_userspace_pm_get_entry() to find out the address entry on the userspace_pm_local_addr_list through the given address. Use this helper in mptcp_userspace_pm_delete_local_addr(). Signed-off-by: Geliang Tang --- net/mptcp/pm_userspace.c | 44 ++++++++++++++++++++++++---------------- 1 file changed, 26 insertions(+), 18 deletions(-) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index b3b5d8180c84..8b015cd59aaf 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -37,6 +37,20 @@ mptcp_userspace_pm_lookup_addr_by_id(struct mptcp_sock *= msk, unsigned int id) return NULL; } =20 +static struct mptcp_pm_addr_entry *mptcp_userspace_pm_get_entry(struct mpt= cp_sock *msk, + struct mptcp_addr_info *addr, + bool use_port, bool use_id) +{ + struct mptcp_pm_addr_entry *entry; + + list_for_each_entry(entry, &msk->pm.userspace_pm_local_addr_list, list) { + if (mptcp_addresses_equal(&entry->addr, addr, use_port, use_id)) + return entry; + } + + return NULL; +} + static int mptcp_userspace_pm_append_new_local_addr(struct mptcp_sock *msk, struct mptcp_pm_addr_entry *entry, bool set_id) @@ -99,18 +113,17 @@ static int mptcp_userspace_pm_append_new_local_addr(st= ruct mptcp_sock *msk, static int mptcp_userspace_pm_delete_local_addr(struct mptcp_sock *msk, struct mptcp_pm_addr_entry *addr) { - struct mptcp_pm_addr_entry *entry, *tmp; + struct mptcp_pm_addr_entry *entry; =20 - list_for_each_entry_safe(entry, tmp, &msk->pm.userspace_pm_local_addr_lis= t, list) { - if (mptcp_addresses_equal(&entry->addr, &addr->addr, false, false)) { - /* TODO: a refcount is needed because the entry can - * be used multiple times (e.g. fullmesh mode). - */ - list_del_rcu(&entry->list); - kfree(entry); - msk->pm.local_addr_used--; - return 0; - } + entry =3D mptcp_userspace_pm_get_entry(msk, &addr->addr, false, false); + if (entry) { + /* TODO: a refcount is needed because the entry can + * be used multiple times (e.g. fullmesh mode). + */ + list_del_rcu(&entry->list); + kfree(entry); + msk->pm.local_addr_used--; + return 0; } =20 return -EINVAL; @@ -136,17 +149,12 @@ int mptcp_userspace_pm_get_flags_and_ifindex_by_id(st= ruct mptcp_sock *msk, int mptcp_userspace_pm_get_local_id(struct mptcp_sock *msk, struct mptcp_addr_info *skc) { - struct mptcp_pm_addr_entry *entry =3D NULL, *e, new_entry; + struct mptcp_pm_addr_entry *entry, new_entry; __be16 msk_sport =3D ((struct inet_sock *) inet_sk((struct sock *)msk))->inet_sport; =20 spin_lock_bh(&msk->pm.lock); - list_for_each_entry(e, &msk->pm.userspace_pm_local_addr_list, list) { - if (mptcp_addresses_equal(&e->addr, skc, false, false)) { - entry =3D e; - break; - } - } + entry =3D mptcp_userspace_pm_get_entry(msk, skc, false, false); spin_unlock_bh(&msk->pm.lock); if (entry) return entry->addr.id; --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-189.mta1.migadu.com (out-189.mta1.migadu.com [95.215.58.189]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 272BE12E64 for ; Fri, 8 Dec 2023 10:07:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="XqCe+LQD" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030048; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6fIC63ZcxcZPB630FkhMdT62aO+zJwUXcq+0JXI99IY=; b=XqCe+LQDQNR31vii+MzFQdlfmtfCfWdSFq39TMZxOPeYhK+i2qnfmcvFwpRh9FkGYRf69i kuitvpJr+uLsfYAgWK/ENVZFqqQ8nCTGCNobk11v1u9larzgCOVbv7KKUilPY7HNbPnuZP Km+E1HcACIyG/E+gE2f6QQt0VPwciUo= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang , Geliang Tang Subject: [PATCH mptcp-next v14 22/25] mptcp: drop addr_match and id_match Date: Fri, 8 Dec 2023 18:07:35 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Geliang Tang This patch uses the newly defined helper mptcp_userspace_pm_get_entry() in mptcp_userspace_pm_append_new_local_addr(), and drop local variables addr_match and id_match to simplify the code. Signed-off-by: Geliang Tang --- net/mptcp/pm_userspace.c | 26 ++++++++------------------ 1 file changed, 8 insertions(+), 18 deletions(-) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index 8b015cd59aaf..f4deb3c8c99d 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -58,26 +58,13 @@ static int mptcp_userspace_pm_append_new_local_addr(str= uct mptcp_sock *msk, struct pm_nl_pernet *pernet =3D pm_nl_get_pernet_from_msk(msk); struct mptcp_pm_addr_entry *match =3D NULL; struct sock *sk =3D (struct sock *)msk; - struct mptcp_pm_addr_entry *e; - bool addr_match =3D false; - bool id_match =3D false; int ret =3D -EINVAL; =20 spin_lock_bh(&msk->pm.lock); - list_for_each_entry(e, &msk->pm.userspace_pm_local_addr_list, list) { - addr_match =3D mptcp_addresses_equal(&e->addr, &entry->addr, true, false= ); - if (addr_match && entry->addr.id =3D=3D 0 && !set_id) - entry->addr.id =3D e->addr.id; - id_match =3D (e->addr.id =3D=3D entry->addr.id); - if (addr_match && id_match) { - match =3D e; - break; - } else if (addr_match || id_match) { - break; - } - } + match =3D mptcp_userspace_pm_get_entry(msk, &entry->addr, true, entry->ad= dr.id); + if (!match) { + struct mptcp_pm_addr_entry *e; =20 - if (!match && !addr_match && !id_match) { /* Memory for the entry is allocated from the * sock option buffer. */ @@ -96,10 +83,13 @@ static int mptcp_userspace_pm_append_new_local_addr(str= uct mptcp_sock *msk, list_add_tail_rcu(&e->list, &msk->pm.userspace_pm_local_addr_list); msk->pm.local_addr_used++; ret =3D e->addr.id; - } else if (match) { - ret =3D entry->addr.id; + goto append_err; } =20 + if (entry->addr.id =3D=3D 0 && !set_id) + entry->addr.id =3D match->addr.id; + ret =3D entry->addr.id; + append_err: spin_unlock_bh(&msk->pm.lock); return ret; --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-177.mta1.migadu.com (out-177.mta1.migadu.com [95.215.58.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 53AF812B83 for ; Fri, 8 Dec 2023 10:07:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="sauar4zN" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030049; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=jCXZ/6ztLUJnxFiExcNc0mmV9SHYq+ACt/baB/6YDNY=; b=sauar4zNpmIFdZIWjqkTdp1i4OXrPZGUoSILie05oDZhJqVivUyuyM9HQW1B0dMgLg8Zj/ ET8LPJ4EnXCilANzMPPArnY1ZEhFlxA8nYRjSVrZdlddI/mM6Qmw8N7QGa2CtmIbT0xld9 XB3Zp/NSFdpKkuHt+w39pAl9LcD5YwU= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang , Geliang Tang Subject: [PATCH mptcp-next v14 23/25] mptcp: dup an entry when removing it Date: Fri, 8 Dec 2023 18:07:36 +0800 Message-Id: <498ab09da26973ff63b0befe061102435ccd8354.1702029539.git.geliang.tang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Geliang Tang In some cases, the address entry doesn't need to be freed. This patch dups an entry into the free_list to separate removing an address from freeing an entry, so that the refcount of address entry can be added later. Signed-off-by: Geliang Tang --- net/mptcp/pm_userspace.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index f4deb3c8c99d..eed1b351e307 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -309,10 +309,18 @@ int mptcp_pm_nl_remove_doit(struct sk_buff *skb, stru= ct genl_info *info) goto out; } =20 - list_move(&match->list, &free_list); + entry =3D kmemdup(match, sizeof(*match), GFP_ATOMIC); + if (!entry) { + err =3D -ENOMEM; + goto out; + } + list_add(&entry->list, &free_list); =20 mptcp_pm_remove_addrs(msk, &free_list); =20 + list_del_rcu(&match->list); + kfree(match); + release_sock(sk); =20 list_for_each_entry_safe(match, entry, &free_list, list) { --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-179.mta1.migadu.com (out-179.mta1.migadu.com [95.215.58.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 71A3712E64 for ; Fri, 8 Dec 2023 10:07:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="sPf2IpbV" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030050; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/or5oUWmDpXENm1x0X3HSQlL3UyP6fkZnnkAVM7KcHo=; b=sPf2IpbVNxE/Vf4FGMEoVky2VrsjR0l72VuzZgoR3/2MtJ2OJnfHkc5McGyXMxAB3xqOVq /JzegMnpnh5nekPVMoFUtGSqqBhJ84mt3O1ILEbaqnGhZzwysG9yMb4Brlq5V5ln/czVnP c/uDhauS06xzRgj5FNbD9qKTZ/lQ1s4= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang , Geliang Tang Subject: [PATCH mptcp-next v14 24/25] mptcp: add userspace pm addr entry refcount Date: Fri, 8 Dec 2023 18:07:37 +0800 Message-Id: <08ee5448fc4ecb8f77a79f5fd0919f3c18f66e02.1702029539.git.geliang.tang@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Geliang Tang This patch adds the refcount of addree entry in userspace PM. Add a new counter 'refcnt' in struct mptcp_pm_addr_entry, initiated to 1. Increase this counter when an address is announced or a subflow is created in mptcp_pm_nl_announce_doit() and mptcp_pm_nl_subflow_create_doit(). And decrease it when an address is removed or a subflow is closed in mptcp_pm_nl_remove_doit() and mptcp_userspace_pm_delete_local_addr(). If the counter reaches to 1, free this entry. Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/403 Fixes: 24430f8bf516 ("mptcp: add address into userspace pm list") Signed-off-by: Geliang Tang --- net/mptcp/pm_userspace.c | 33 +++++++++++++++++++++++---------- net/mptcp/protocol.h | 2 ++ 2 files changed, 25 insertions(+), 10 deletions(-) diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index eed1b351e307..eba78968e5b3 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -82,6 +82,7 @@ static int mptcp_userspace_pm_append_new_local_addr(struc= t mptcp_sock *msk, __set_bit(e->addr.id, pernet->id_bitmap); list_add_tail_rcu(&e->list, &msk->pm.userspace_pm_local_addr_list); msk->pm.local_addr_used++; + refcount_set(&e->refcnt, 1); ret =3D e->addr.id; goto append_err; } @@ -107,12 +108,11 @@ static int mptcp_userspace_pm_delete_local_addr(struc= t mptcp_sock *msk, =20 entry =3D mptcp_userspace_pm_get_entry(msk, &addr->addr, false, false); if (entry) { - /* TODO: a refcount is needed because the entry can - * be used multiple times (e.g. fullmesh mode). - */ - list_del_rcu(&entry->list); - kfree(entry); - msk->pm.local_addr_used--; + if (!refcount_dec_not_one(&entry->refcnt)) { + list_del_rcu(&entry->list); + kfree(entry); + msk->pm.local_addr_used--; + } return 0; } =20 @@ -213,6 +213,11 @@ int mptcp_pm_nl_announce_doit(struct sk_buff *skb, str= uct genl_info *info) spin_lock_bh(&msk->pm.lock); =20 if (mptcp_pm_alloc_anno_list(msk, &addr_val.addr)) { + struct mptcp_pm_addr_entry *entry; + + entry =3D mptcp_userspace_pm_get_entry(msk, &addr_val.addr, false, false= ); + if (entry && !refcount_inc_not_zero(&entry->refcnt)) + pr_debug("userspace pm uninitialized entry"); msk->pm.add_addr_signaled++; mptcp_pm_announce_addr(msk, &addr_val.addr, false); mptcp_pm_nl_addr_send_ack(msk); @@ -318,8 +323,10 @@ int mptcp_pm_nl_remove_doit(struct sk_buff *skb, struc= t genl_info *info) =20 mptcp_pm_remove_addrs(msk, &free_list); =20 - list_del_rcu(&match->list); - kfree(match); + if (!refcount_dec_not_one(&match->refcnt)) { + list_del_rcu(&match->list); + kfree(match); + } =20 release_sock(sk); =20 @@ -405,10 +412,16 @@ int mptcp_pm_nl_subflow_create_doit(struct sk_buff *s= kb, struct genl_info *info) release_sock(sk); =20 spin_lock_bh(&msk->pm.lock); - if (err) + if (err) { mptcp_userspace_pm_delete_local_addr(msk, &local); - else + } else { + struct mptcp_pm_addr_entry *entry; + + entry =3D mptcp_userspace_pm_get_entry(msk, &addr_l, false, false); + if (entry && !refcount_inc_not_zero(&entry->refcnt)) + pr_debug("userspace pm uninitialized entry"); msk->pm.subflows++; + } spin_unlock_bh(&msk->pm.lock); =20 create_err: diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 493ee1871eed..5b33d7279654 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -8,6 +8,7 @@ #define __MPTCP_PROTOCOL_H =20 #include +#include #include #include #include @@ -244,6 +245,7 @@ struct mptcp_pm_addr_entry { u8 flags; int ifindex; struct socket *lsk; + refcount_t refcnt; }; =20 struct mptcp_data_frag { --=20 2.35.3 From nobody Wed May 15 23:51:52 2024 Received: from out-186.mta1.migadu.com (out-186.mta1.migadu.com [95.215.58.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8B5BB12B83 for ; Fri, 8 Dec 2023 10:07:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="qLgpDYCW" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1702030051; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aQqGLMxuM5dWO4qSaG2HLVKv0JRCGoyUt4YP/CLCUTA=; b=qLgpDYCW4UKBmRjL4N2qC0nejI4kJyL2t/sk6pPn8SihDx2ZHSmDoC7DdCfqrchhZ9q22I xSQzKcjFGsq0eofKpkMLwVLwTl8c/P9v+MF9+A4U6X1LB6Lye0uExHWR+IV9GC/3/6VS0y g9U7OG5JF4XGcHC4abiaPzA/IewDsdY= From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang , Geliang Tang Subject: [PATCH mptcp-next v14 25/25] selftests: mptcp: rm userspace addr with random order Date: Fri, 8 Dec 2023 18:07:38 +0800 Message-Id: In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Geliang Tang Previously, when deleting a userspace address and subflow, it was necessary to follow the current order of deleting the address and then deleting the subflow. With this series of changes, addresses and subflows can be deleted in any order. This patch uses random numbers to add this type of tests. Signed-off-by: Geliang Tang --- tools/testing/selftests/net/mptcp/mptcp_join.sh | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testin= g/selftests/net/mptcp/mptcp_join.sh index a6f60f3896d5..491b852f55fb 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -3501,11 +3501,12 @@ userspace_tests() 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_addr $ns1 10 if [ $((RANDOM%2)) -eq 0 ]; then + userspace_pm_rm_addr $ns1 10 userspace_pm_rm_sf $ns1 ::ffff:10.0.2.1 $SUB_ESTABLISHED else userspace_pm_rm_sf $ns1 10.0.2.1 $SUB_ESTABLISHED + userspace_pm_rm_addr $ns1 10 fi chk_rm_nr 1 1 invert chk_mptcp_info subflows 0 subflows 0 --=20 2.35.3