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mptcp: add local addr info in mptcp_info

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Add mptcpi_local_addr_used and mptcpi_local_addr_max in struct mptcp_info.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geliang Tang 2021-02-12 16:52:02 -08:00 committed by David S. Miller
parent 7f76963b69
commit 0caf3ada24
4 changed files with 7 additions and 1 deletions
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2
include/uapi/linux/mptcp.h
View File

@ -103,6 +103,8 @@ struct mptcp_info {
__u64 mptcpi_write_seq;
__u64 mptcpi_snd_una;
__u64 mptcpi_rcv_nxt;
__u8 mptcpi_local_addr_used;
__u8 mptcpi_local_addr_max;
};
/*

2
net/mptcp/mptcp_diag.c
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@ -128,11 +128,13 @@ static void mptcp_diag_get_info(struct sock *sk, struct inet_diag_msg *r,
info->mptcpi_subflows = READ_ONCE(msk->pm.subflows);
info->mptcpi_add_addr_signal = READ_ONCE(msk->pm.add_addr_signaled);
info->mptcpi_add_addr_accepted = READ_ONCE(msk->pm.add_addr_accepted);
info->mptcpi_local_addr_used = READ_ONCE(msk->pm.local_addr_used);
info->mptcpi_subflows_max = mptcp_pm_get_subflows_max(msk);
val = mptcp_pm_get_add_addr_signal_max(msk);
info->mptcpi_add_addr_signal_max = val;
val = mptcp_pm_get_add_addr_accept_max(msk);
info->mptcpi_add_addr_accepted_max = val;
info->mptcpi_local_addr_max = mptcp_pm_get_local_addr_max(msk);
if (test_bit(MPTCP_FALLBACK_DONE, &msk->flags))
flags |= MPTCP_INFO_FLAG_FALLBACK;
if (READ_ONCE(msk->can_ack))

3
net/mptcp/pm_netlink.c
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@ -228,13 +228,14 @@ unsigned int mptcp_pm_get_subflows_max(struct mptcp_sock *msk)
}
EXPORT_SYMBOL_GPL(mptcp_pm_get_subflows_max);
static unsigned int mptcp_pm_get_local_addr_max(struct mptcp_sock *msk)
unsigned int mptcp_pm_get_local_addr_max(struct mptcp_sock *msk)
{
struct pm_nl_pernet *pernet;
pernet = net_generic(sock_net((struct sock *)msk), pm_nl_pernet_id);
return READ_ONCE(pernet->local_addr_max);
}
EXPORT_SYMBOL_GPL(mptcp_pm_get_local_addr_max);
static void check_work_pending(struct mptcp_sock *msk)
{

1
net/mptcp/protocol.h
View File

@ -725,6 +725,7 @@ 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);
unsigned int mptcp_pm_get_add_addr_accept_max(struct mptcp_sock *msk);
unsigned int mptcp_pm_get_subflows_max(struct mptcp_sock *msk);
unsigned int mptcp_pm_get_local_addr_max(struct mptcp_sock *msk);
static inline struct mptcp_ext *mptcp_get_ext(struct sk_buff *skb)
{