mptcp: netlink: Add MPTCP_PM_CMD_REMOVE

This change adds a MPTCP netlink command for issuing a
REMOVE_ADDR signal for an address over the chosen MPTCP
connection from a userspace path manager.

The command requires the following parameters: {token, loc_id}.

Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.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:
Kishen Maloor
2022-05-03 19:38:54 -07:00
committed by David S. Miller
parent 9a0b36509d
commit d9a4594eda
4 changed files with 76 additions and 2 deletions

View File

@@ -1095,6 +1095,7 @@ static const struct nla_policy mptcp_pm_policy[MPTCP_PM_ATTR_MAX + 1] = {
[MPTCP_PM_ATTR_RCV_ADD_ADDRS] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_SUBFLOWS] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_TOKEN] = { .type = NLA_U32, },
[MPTCP_PM_ATTR_LOC_ID] = { .type = NLA_U8, },
};
void mptcp_pm_nl_subflow_chk_stale(const struct mptcp_sock *msk, struct sock *ssk)
@@ -1504,8 +1505,8 @@ static int mptcp_nl_cmd_del_addr(struct sk_buff *skb, struct genl_info *info)
return ret;
}
static void mptcp_pm_remove_addrs_and_subflows(struct mptcp_sock *msk,
struct list_head *rm_list)
void mptcp_pm_remove_addrs_and_subflows(struct mptcp_sock *msk,
struct list_head *rm_list)
{
struct mptcp_rm_list alist = { .nr = 0 }, slist = { .nr = 0 };
struct mptcp_pm_addr_entry *entry;
@@ -2204,6 +2205,11 @@ static const struct genl_small_ops mptcp_pm_ops[] = {
.doit = mptcp_nl_cmd_announce,
.flags = GENL_ADMIN_PERM,
},
{
.cmd = MPTCP_PM_CMD_REMOVE,
.doit = mptcp_nl_cmd_remove,
.flags = GENL_ADMIN_PERM,
},
};
static struct genl_family mptcp_genl_family __ro_after_init = {