diff options
| author | Florian Westphal <fw@strlen.de> | 2021-02-12 15:59:54 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-02-12 16:31:45 -0800 |
| commit | e98014306840f58072f50a55ad49400f227a5b65 (patch) | |
| tree | afe1c7b44bb164ac6b2ba44b62e7d5f357b09e56 /net/mptcp/pm_netlink.c | |
| parent | 0a82c37e34fe5179a0e18b7a267bbe088fefdee8 (diff) | |
| download | lwn-e98014306840f58072f50a55ad49400f227a5b65.tar.gz lwn-e98014306840f58072f50a55ad49400f227a5b65.zip | |
mptcp: move pm netlink work into pm_netlink
Allows to make some functions static and avoids acquire of the pm
spinlock in protocol.c.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/pm_netlink.c')
| -rw-r--r-- | net/mptcp/pm_netlink.c | 45 |
1 files changed, 40 insertions, 5 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; |