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Message-Id: <20210213000001.379332-2-mathew.j.martineau@linux.intel.com>
Date: Fri, 12 Feb 2021 15:59:54 -0800
From: Mat Martineau <mathew.j.martineau@...ux.intel.com>
To: netdev@...r.kernel.org
Cc: Florian Westphal <fw@...len.de>, davem@...emloft.net,
kuba@...nel.org, mptcp@...ts.01.org, matthieu.baerts@...sares.net,
Mat Martineau <mathew.j.martineau@...ux.intel.com>
Subject: [PATCH net-next 1/8] mptcp: move pm netlink work into pm_netlink
From: Florian Westphal <fw@...len.de>
Allows to make some functions static and avoids acquire of the pm
spinlock in protocol.c.
Signed-off-by: Florian Westphal <fw@...len.de>
Signed-off-by: Mat Martineau <mathew.j.martineau@...ux.intel.com>
---
net/mptcp/pm_netlink.c | 45 +++++++++++++++++++++++++++++++++++++-----
net/mptcp/protocol.c | 33 +------------------------------
net/mptcp/protocol.h | 6 +-----
3 files changed, 42 insertions(+), 42 deletions(-)
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 23780a13b934..8f2fd6874d85 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -56,6 +56,8 @@ struct pm_nl_pernet {
#define MPTCP_PM_ADDR_MAX 8
#define ADD_ADDR_RETRANS_MAX 3
+static void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk);
+
static bool addresses_equal(const struct mptcp_addr_info *a,
struct mptcp_addr_info *b, bool use_port)
{
@@ -448,17 +450,17 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk)
}
}
-void mptcp_pm_nl_fully_established(struct mptcp_sock *msk)
+static void mptcp_pm_nl_fully_established(struct mptcp_sock *msk)
{
mptcp_pm_create_subflow_or_signal_addr(msk);
}
-void mptcp_pm_nl_subflow_established(struct mptcp_sock *msk)
+static void mptcp_pm_nl_subflow_established(struct mptcp_sock *msk)
{
mptcp_pm_create_subflow_or_signal_addr(msk);
}
-void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk)
+static void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk)
{
struct sock *sk = (struct sock *)msk;
unsigned int add_addr_accept_max;
@@ -498,7 +500,7 @@ void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk)
mptcp_pm_nl_add_addr_send_ack(msk);
}
-void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk)
+static void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk)
{
struct mptcp_subflow_context *subflow;
@@ -568,7 +570,7 @@ int mptcp_pm_nl_mp_prio_send_ack(struct mptcp_sock *msk,
return -EINVAL;
}
-void mptcp_pm_nl_rm_addr_received(struct mptcp_sock *msk)
+static void mptcp_pm_nl_rm_addr_received(struct mptcp_sock *msk)
{
struct mptcp_subflow_context *subflow, *tmp;
struct sock *sk = (struct sock *)msk;
@@ -605,6 +607,39 @@ void mptcp_pm_nl_rm_addr_received(struct mptcp_sock *msk)
}
}
+void mptcp_pm_nl_work(struct mptcp_sock *msk)
+{
+ struct mptcp_pm_data *pm = &msk->pm;
+
+ msk_owned_by_me(msk);
+
+ spin_lock_bh(&msk->pm.lock);
+
+ pr_debug("msk=%p status=%x", msk, pm->status);
+ if (pm->status & BIT(MPTCP_PM_ADD_ADDR_RECEIVED)) {
+ pm->status &= ~BIT(MPTCP_PM_ADD_ADDR_RECEIVED);
+ mptcp_pm_nl_add_addr_received(msk);
+ }
+ if (pm->status & BIT(MPTCP_PM_ADD_ADDR_SEND_ACK)) {
+ pm->status &= ~BIT(MPTCP_PM_ADD_ADDR_SEND_ACK);
+ mptcp_pm_nl_add_addr_send_ack(msk);
+ }
+ if (pm->status & BIT(MPTCP_PM_RM_ADDR_RECEIVED)) {
+ pm->status &= ~BIT(MPTCP_PM_RM_ADDR_RECEIVED);
+ mptcp_pm_nl_rm_addr_received(msk);
+ }
+ if (pm->status & BIT(MPTCP_PM_ESTABLISHED)) {
+ pm->status &= ~BIT(MPTCP_PM_ESTABLISHED);
+ mptcp_pm_nl_fully_established(msk);
+ }
+ if (pm->status & BIT(MPTCP_PM_SUBFLOW_ESTABLISHED)) {
+ pm->status &= ~BIT(MPTCP_PM_SUBFLOW_ESTABLISHED);
+ mptcp_pm_nl_subflow_established(msk);
+ }
+
+ spin_unlock_bh(&msk->pm.lock);
+}
+
void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk, u8 rm_id)
{
struct mptcp_subflow_context *subflow, *tmp;
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index b9f16a1535d2..93134b72490a 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2152,37 +2152,6 @@ static unsigned int mptcp_sync_mss(struct sock *sk, u32 pmtu)
return 0;
}
-static void pm_work(struct mptcp_sock *msk)
-{
- struct mptcp_pm_data *pm = &msk->pm;
-
- spin_lock_bh(&msk->pm.lock);
-
- pr_debug("msk=%p status=%x", msk, pm->status);
- if (pm->status & BIT(MPTCP_PM_ADD_ADDR_RECEIVED)) {
- pm->status &= ~BIT(MPTCP_PM_ADD_ADDR_RECEIVED);
- mptcp_pm_nl_add_addr_received(msk);
- }
- if (pm->status & BIT(MPTCP_PM_ADD_ADDR_SEND_ACK)) {
- pm->status &= ~BIT(MPTCP_PM_ADD_ADDR_SEND_ACK);
- mptcp_pm_nl_add_addr_send_ack(msk);
- }
- if (pm->status & BIT(MPTCP_PM_RM_ADDR_RECEIVED)) {
- pm->status &= ~BIT(MPTCP_PM_RM_ADDR_RECEIVED);
- mptcp_pm_nl_rm_addr_received(msk);
- }
- if (pm->status & BIT(MPTCP_PM_ESTABLISHED)) {
- pm->status &= ~BIT(MPTCP_PM_ESTABLISHED);
- mptcp_pm_nl_fully_established(msk);
- }
- if (pm->status & BIT(MPTCP_PM_SUBFLOW_ESTABLISHED)) {
- pm->status &= ~BIT(MPTCP_PM_SUBFLOW_ESTABLISHED);
- mptcp_pm_nl_subflow_established(msk);
- }
-
- spin_unlock_bh(&msk->pm.lock);
-}
-
static void __mptcp_close_subflow(struct mptcp_sock *msk)
{
struct mptcp_subflow_context *subflow, *tmp;
@@ -2271,7 +2240,7 @@ static void mptcp_worker(struct work_struct *work)
__mptcp_close_subflow(msk);
if (msk->pm.status)
- pm_work(msk);
+ mptcp_pm_nl_work(msk);
if (test_and_clear_bit(MPTCP_WORK_EOF, &msk->flags))
mptcp_check_for_eof(msk);
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 73a923d02aad..702dbfefa093 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -713,11 +713,7 @@ int mptcp_pm_get_local_id(struct mptcp_sock *msk, struct sock_common *skc);
void __init mptcp_pm_nl_init(void);
void mptcp_pm_nl_data_init(struct mptcp_sock *msk);
-void mptcp_pm_nl_fully_established(struct mptcp_sock *msk);
-void mptcp_pm_nl_subflow_established(struct mptcp_sock *msk);
-void mptcp_pm_nl_add_addr_received(struct mptcp_sock *msk);
-void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk);
-void mptcp_pm_nl_rm_addr_received(struct mptcp_sock *msk);
+void mptcp_pm_nl_work(struct mptcp_sock *msk);
void mptcp_pm_nl_rm_subflow_received(struct mptcp_sock *msk, u8 rm_id);
int mptcp_pm_nl_get_local_id(struct mptcp_sock *msk, struct sock_common *skc);
unsigned int mptcp_pm_get_add_addr_signal_max(struct mptcp_sock *msk);
--
2.30.1
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