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authorKishen Maloor <kishen.maloor@intel.com>2022-05-04 05:38:54 +0300
committerDavid S. Miller <davem@davemloft.net>2022-05-04 12:49:31 +0300
commitd9a4594edabf125dc17dfd52acc722c3de1cb44c (patch)
treeb7ced1ce92c93c1954f461d2707b6717c7de0447 /net/mptcp/pm_netlink.c
parent9a0b36509df07f2e3b24d3ae6f222a4f099e0709 (diff)
downloadlinux-d9a4594edabf125dc17dfd52acc722c3de1cb44c.tar.xz
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>
Diffstat (limited to 'net/mptcp/pm_netlink.c')
-rw-r--r--net/mptcp/pm_netlink.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index dbe5ccd95ac5..a26750f19f65 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -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 = {