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mptcp: constify a bunch of of helpers 

A few pm-related helpers don't touch arguments which lacking
the const modifier, let's constify them.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Paolo Abeni 2022-02-15 18:11:28 -08:00 committed by Jakub Kicinski
parent af7939f390
commit 90d9308821
3 changed files with 32 additions and 32 deletions
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4
net/mptcp/pm.c
View File

@ -219,7 +219,7 @@ void mptcp_pm_add_addr_received(struct mptcp_sock *msk,
}
void mptcp_pm_add_addr_echoed(struct mptcp_sock *msk,
struct mptcp_addr_info *addr)
const struct mptcp_addr_info *addr)
{
struct mptcp_pm_data *pm = &msk->pm;
@ -275,7 +275,7 @@ void mptcp_pm_mp_fail_received(struct sock *sk, u64 fail_seq)
/* path manager helpers */
bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, struct sk_buff *skb,
bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, const struct sk_buff *skb,
unsigned int opt_size, unsigned int remaining,
struct mptcp_addr_info *addr, bool *echo,
bool *drop_other_suboptions)

42
net/mptcp/pm_netlink.c
View File

@ -120,7 +120,7 @@ static void remote_address(const struct sock_common *skc,
}
static bool lookup_subflow_by_saddr(const struct list_head *list,
struct mptcp_addr_info *saddr)
const struct mptcp_addr_info *saddr)
{
struct mptcp_subflow_context *subflow;
struct mptcp_addr_info cur;
@ -138,7 +138,7 @@ static bool lookup_subflow_by_saddr(const struct list_head *list,
}
static bool lookup_subflow_by_daddr(const struct list_head *list,
struct mptcp_addr_info *daddr)
const struct mptcp_addr_info *daddr)
{
struct mptcp_subflow_context *subflow;
struct mptcp_addr_info cur;
@ -157,10 +157,10 @@ static bool lookup_subflow_by_daddr(const struct list_head *list,
static struct mptcp_pm_addr_entry *
select_local_address(const struct pm_nl_pernet *pernet,
struct mptcp_sock *msk)
const struct mptcp_sock *msk)
{
const struct sock *sk = (const struct sock *)msk;
struct mptcp_pm_addr_entry *entry, *ret = NULL;
struct sock *sk = (struct sock *)msk;
msk_owned_by_me(msk);
@ -190,7 +190,7 @@ select_local_address(const struct pm_nl_pernet *pernet,
}
static struct mptcp_pm_addr_entry *
select_signal_address(struct pm_nl_pernet *pernet, struct mptcp_sock *msk)
select_signal_address(struct pm_nl_pernet *pernet, const struct mptcp_sock *msk)
{
struct mptcp_pm_addr_entry *entry, *ret = NULL;
@ -214,16 +214,16 @@ select_signal_address(struct pm_nl_pernet *pernet, struct mptcp_sock *msk)
return ret;
}
unsigned int mptcp_pm_get_add_addr_signal_max(struct mptcp_sock *msk)
unsigned int mptcp_pm_get_add_addr_signal_max(const struct mptcp_sock *msk)
{
struct pm_nl_pernet *pernet;
const struct pm_nl_pernet *pernet;
pernet = net_generic(sock_net((struct sock *)msk), pm_nl_pernet_id);
pernet = net_generic(sock_net((const struct sock *)msk), pm_nl_pernet_id);
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(struct mptcp_sock *msk)
unsigned int mptcp_pm_get_add_addr_accept_max(const struct mptcp_sock *msk)
{
struct pm_nl_pernet *pernet;
@ -232,7 +232,7 @@ unsigned int mptcp_pm_get_add_addr_accept_max(struct mptcp_sock *msk)
}
EXPORT_SYMBOL_GPL(mptcp_pm_get_add_addr_accept_max);
unsigned int mptcp_pm_get_subflows_max(struct mptcp_sock *msk)
unsigned int mptcp_pm_get_subflows_max(const struct mptcp_sock *msk)
{
struct pm_nl_pernet *pernet;
@ -241,7 +241,7 @@ unsigned int mptcp_pm_get_subflows_max(struct mptcp_sock *msk)
}
EXPORT_SYMBOL_GPL(mptcp_pm_get_subflows_max);
unsigned int mptcp_pm_get_local_addr_max(struct mptcp_sock *msk)
unsigned int mptcp_pm_get_local_addr_max(const struct mptcp_sock *msk)
{
struct pm_nl_pernet *pernet;
@ -264,8 +264,8 @@ bool mptcp_pm_nl_check_work_pending(struct mptcp_sock *msk)
}
struct mptcp_pm_add_entry *
mptcp_lookup_anno_list_by_saddr(struct mptcp_sock *msk,
struct mptcp_addr_info *addr)
mptcp_lookup_anno_list_by_saddr(const struct mptcp_sock *msk,
const struct mptcp_addr_info *addr)
{
struct mptcp_pm_add_entry *entry;
@ -346,7 +346,7 @@ out:
struct mptcp_pm_add_entry *
mptcp_pm_del_add_timer(struct mptcp_sock *msk,
struct mptcp_addr_info *addr, bool check_id)
const struct mptcp_addr_info *addr, bool check_id)
{
struct mptcp_pm_add_entry *entry;
struct sock *sk = (struct sock *)msk;
@ -364,7 +364,7 @@ mptcp_pm_del_add_timer(struct mptcp_sock *msk,
}
static bool mptcp_pm_alloc_anno_list(struct mptcp_sock *msk,
struct mptcp_pm_addr_entry *entry)
const struct mptcp_pm_addr_entry *entry)
{
struct mptcp_pm_add_entry *add_entry = NULL;
struct sock *sk = (struct sock *)msk;
@ -410,8 +410,8 @@ void mptcp_pm_free_anno_list(struct mptcp_sock *msk)
}
}
static bool lookup_address_in_vec(struct mptcp_addr_info *addrs, unsigned int nr,
struct mptcp_addr_info *addr)
static bool lookup_address_in_vec(const struct mptcp_addr_info *addrs, unsigned int nr,
const struct mptcp_addr_info *addr)
{
int i;
@ -493,9 +493,9 @@ __lookup_addr(struct pm_nl_pernet *pernet, const struct mptcp_addr_info *info,
}
static int
lookup_id_by_addr(struct pm_nl_pernet *pernet, const struct mptcp_addr_info *addr)
lookup_id_by_addr(const struct pm_nl_pernet *pernet, const struct mptcp_addr_info *addr)
{
struct mptcp_pm_addr_entry *entry;
const struct mptcp_pm_addr_entry *entry;
int ret = -1;
rcu_read_lock();
@ -1281,7 +1281,7 @@ int mptcp_pm_get_flags_and_ifindex_by_id(struct net *net, unsigned int id,
}
static bool remove_anno_list_by_saddr(struct mptcp_sock *msk,
struct mptcp_addr_info *addr)
const struct mptcp_addr_info *addr)
{
struct mptcp_pm_add_entry *entry;
@ -1296,7 +1296,7 @@ static bool remove_anno_list_by_saddr(struct mptcp_sock *msk,
}
static bool mptcp_pm_remove_anno_addr(struct mptcp_sock *msk,
struct mptcp_addr_info *addr,
const struct mptcp_addr_info *addr,
bool force)
{
struct mptcp_rm_list list = { .nr = 0 };

18
net/mptcp/protocol.h
View File

@ -742,7 +742,7 @@ void mptcp_pm_subflow_check_next(struct mptcp_sock *msk, const struct sock *ssk,
void mptcp_pm_add_addr_received(struct mptcp_sock *msk,
const struct mptcp_addr_info *addr);
void mptcp_pm_add_addr_echoed(struct mptcp_sock *msk,
struct mptcp_addr_info *addr);
const struct mptcp_addr_info *addr);
void mptcp_pm_add_addr_send_ack(struct mptcp_sock *msk);
void mptcp_pm_nl_addr_send_ack(struct mptcp_sock *msk);
void mptcp_pm_rm_addr_received(struct mptcp_sock *msk,
@ -753,10 +753,10 @@ void mptcp_pm_free_anno_list(struct mptcp_sock *msk);
bool mptcp_pm_sport_in_anno_list(struct mptcp_sock *msk, const struct sock *sk);
struct mptcp_pm_add_entry *
mptcp_pm_del_add_timer(struct mptcp_sock *msk,
struct mptcp_addr_info *addr, bool check_id);
const struct mptcp_addr_info *addr, bool check_id);
struct mptcp_pm_add_entry *
mptcp_lookup_anno_list_by_saddr(struct mptcp_sock *msk,
struct mptcp_addr_info *addr);
mptcp_lookup_anno_list_by_saddr(const struct mptcp_sock *msk,
const struct mptcp_addr_info *addr);
int mptcp_pm_get_flags_and_ifindex_by_id(struct net *net, unsigned int id,
u8 *flags, int *ifindex);
@ -815,7 +815,7 @@ static inline int mptcp_rm_addr_len(const struct mptcp_rm_list *rm_list)
return TCPOLEN_MPTCP_RM_ADDR_BASE + roundup(rm_list->nr - 1, 4) + 1;
}
bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, struct sk_buff *skb,
bool mptcp_pm_add_addr_signal(struct mptcp_sock *msk, const struct sk_buff *skb,
unsigned int opt_size, unsigned int remaining,
struct mptcp_addr_info *addr, bool *echo,
bool *drop_other_suboptions);
@ -829,10 +829,10 @@ 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);
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);
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);
void mptcp_sockopt_sync(struct mptcp_sock *msk, struct sock *ssk);
void mptcp_sockopt_sync_locked(struct mptcp_sock *msk, struct sock *ssk);