From 9afa65857d21c13a9209b82c309c3a1503e9646c Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Tue, 16 Jan 2018 23:01:56 +0100 Subject: [PATCH] l2tp: remove l2specific_len configurable parameter Remove l2specific_len configuration parameter since now L2-Specific Sublayer length is computed according to l2specific_type provided by userspace. Reviewed-by: Guillaume Nault Tested-by: Guillaume Nault Signed-off-by: Lorenzo Bianconi Signed-off-by: David S. Miller --- net/l2tp/l2tp_core.c | 1 - net/l2tp/l2tp_core.h | 2 -- net/l2tp/l2tp_debugfs.c | 2 +- net/l2tp/l2tp_netlink.c | 4 ---- 4 files changed, 1 insertion(+), 8 deletions(-) diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 88efb8b845ca..194a7483bb93 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1777,7 +1777,6 @@ struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunn session->lns_mode = cfg->lns_mode; session->reorder_timeout = cfg->reorder_timeout; session->l2specific_type = cfg->l2specific_type; - session->l2specific_len = cfg->l2specific_len; session->cookie_len = cfg->cookie_len; memcpy(&session->cookie[0], &cfg->cookie[0], cfg->cookie_len); session->peer_cookie_len = cfg->peer_cookie_len; diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index 7bef304de4f0..9bbee90e9963 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -59,7 +59,6 @@ struct l2tp_session_cfg { int debug; /* bitmask of debug message * categories */ u16 vlan_id; /* VLAN pseudowire only */ - u16 l2specific_len; /* Layer 2 specific length */ u16 l2specific_type; /* Layer 2 specific type */ u8 cookie[8]; /* optional cookie */ int cookie_len; /* 0, 4 or 8 bytes */ @@ -85,7 +84,6 @@ struct l2tp_session { int cookie_len; u8 peer_cookie[8]; int peer_cookie_len; - u16 l2specific_len; u16 l2specific_type; u16 hdr_len; u32 nr; /* session NR state (receive) */ diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c index 2c30587d1a14..72e713da4733 100644 --- a/net/l2tp/l2tp_debugfs.c +++ b/net/l2tp/l2tp_debugfs.c @@ -181,7 +181,7 @@ static void l2tp_dfs_seq_session_show(struct seq_file *m, void *v) session->debug, jiffies_to_msecs(session->reorder_timeout)); seq_printf(m, " offset 0 l2specific %hu/%hu\n", - session->l2specific_type, session->l2specific_len); + session->l2specific_type, l2tp_get_l2specific_len(session)); if (session->cookie_len) { seq_printf(m, " cookie %02x%02x%02x%02x", session->cookie[0], session->cookie[1], diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index 9ba2b8a68f65..405a5341ed1e 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -561,10 +561,6 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf cfg.l2specific_type = L2TP_L2SPECTYPE_DEFAULT; } - cfg.l2specific_len = 4; - if (info->attrs[L2TP_ATTR_L2SPEC_LEN]) - cfg.l2specific_len = nla_get_u8(info->attrs[L2TP_ATTR_L2SPEC_LEN]); - if (info->attrs[L2TP_ATTR_COOKIE]) { u16 len = nla_len(info->attrs[L2TP_ATTR_COOKIE]); if (len > 8) { -- 2.30.2