diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-02 16:40:27 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-02 16:40:27 -0700 |
commit | 8d65b08debc7e62b2c6032d7fe7389d895b92cbc (patch) | |
tree | 0c3141b60c3a03cc32742b5750c5e763b9dae489 /net/l2tp/l2tp_core.c | |
parent | 5a0387a8a8efb90ae7fea1e2e5c62de3efa74691 (diff) | |
parent | 5d15af6778b8e4ed1fd41b040283af278e7a9a72 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Millar:
"Here are some highlights from the 2065 networking commits that
happened this development cycle:
1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri)
2) Add a generic XDP driver, so that anyone can test XDP even if they
lack a networking device whose driver has explicit XDP support
(me).
3) Sparc64 now has an eBPF JIT too (me)
4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei
Starovoitov)
5) Make netfitler network namespace teardown less expensive (Florian
Westphal)
6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana)
7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger)
8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky)
9) Multiqueue support in stmmac driver (Joao Pinto)
10) Remove TCP timewait recycling, it never really could possibly work
well in the real world and timestamp randomization really zaps any
hint of usability this feature had (Soheil Hassas Yeganeh)
11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay
Aleksandrov)
12) Add socket busy poll support to epoll (Sridhar Samudrala)
13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso,
and several others)
14) IPSEC hw offload infrastructure (Steffen Klassert)"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits)
tipc: refactor function tipc_sk_recv_stream()
tipc: refactor function tipc_sk_recvmsg()
net: thunderx: Optimize page recycling for XDP
net: thunderx: Support for XDP header adjustment
net: thunderx: Add support for XDP_TX
net: thunderx: Add support for XDP_DROP
net: thunderx: Add basic XDP support
net: thunderx: Cleanup receive buffer allocation
net: thunderx: Optimize CQE_TX handling
net: thunderx: Optimize RBDR descriptor handling
net: thunderx: Support for page recycling
ipx: call ipxitf_put() in ioctl error path
net: sched: add helpers to handle extended actions
qed*: Fix issues in the ptp filter config implementation.
qede: Fix concurrency issue in PTP Tx path processing.
stmmac: Add support for SIMATIC IOT2000 platform
net: hns: fix ethtool_get_strings overflow in hns driver
tcp: fix wraparound issue in tcp_lp
bpf, arm64: fix jit branch offset related to ldimm64
bpf, arm64: implement jiting of BPF_XADD
...
Diffstat (limited to 'net/l2tp/l2tp_core.c')
-rw-r--r-- | net/l2tp/l2tp_core.c | 62 |
1 files changed, 7 insertions, 55 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index e37d9554da7b..fa0342574b89 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -120,7 +120,7 @@ static inline struct l2tp_tunnel *l2tp_tunnel(struct sock *sk) return sk->sk_user_data; } -static inline struct l2tp_net *l2tp_pernet(struct net *net) +static inline struct l2tp_net *l2tp_pernet(const struct net *net) { BUG_ON(!net); @@ -217,27 +217,6 @@ static void l2tp_tunnel_sock_put(struct sock *sk) sock_put(sk); } -/* Lookup a session by id in the global session list - */ -static struct l2tp_session *l2tp_session_find_2(struct net *net, u32 session_id) -{ - struct l2tp_net *pn = l2tp_pernet(net); - struct hlist_head *session_list = - l2tp_session_id_hash_2(pn, session_id); - struct l2tp_session *session; - - rcu_read_lock_bh(); - hlist_for_each_entry_rcu(session, session_list, global_hlist) { - if (session->session_id == session_id) { - rcu_read_unlock_bh(); - return session; - } - } - rcu_read_unlock_bh(); - - return NULL; -} - /* Session hash list. * The session_id SHOULD be random according to RFC2661, but several * L2TP implementations (Cisco and Microsoft) use incrementing @@ -250,38 +229,10 @@ l2tp_session_id_hash(struct l2tp_tunnel *tunnel, u32 session_id) return &tunnel->session_hlist[hash_32(session_id, L2TP_HASH_BITS)]; } -/* Lookup a session by id - */ -struct l2tp_session *l2tp_session_find(struct net *net, struct l2tp_tunnel *tunnel, u32 session_id) -{ - struct hlist_head *session_list; - struct l2tp_session *session; - - /* In L2TPv3, session_ids are unique over all tunnels and we - * sometimes need to look them up before we know the - * tunnel. - */ - if (tunnel == NULL) - return l2tp_session_find_2(net, session_id); - - session_list = l2tp_session_id_hash(tunnel, session_id); - read_lock_bh(&tunnel->hlist_lock); - hlist_for_each_entry(session, session_list, hlist) { - if (session->session_id == session_id) { - read_unlock_bh(&tunnel->hlist_lock); - return session; - } - } - read_unlock_bh(&tunnel->hlist_lock); - - return NULL; -} -EXPORT_SYMBOL_GPL(l2tp_session_find); - -/* Like l2tp_session_find() but takes a reference on the returned session. +/* Lookup a session. A new reference is held on the returned session. * Optionally calls session->ref() too if do_ref is true. */ -struct l2tp_session *l2tp_session_get(struct net *net, +struct l2tp_session *l2tp_session_get(const struct net *net, struct l2tp_tunnel *tunnel, u32 session_id, bool do_ref) { @@ -356,7 +307,8 @@ EXPORT_SYMBOL_GPL(l2tp_session_get_nth); /* Lookup a session by interface name. * This is very inefficient but is only used by management interfaces. */ -struct l2tp_session *l2tp_session_get_by_ifname(struct net *net, char *ifname, +struct l2tp_session *l2tp_session_get_by_ifname(const struct net *net, + const char *ifname, bool do_ref) { struct l2tp_net *pn = l2tp_pernet(net); @@ -427,7 +379,7 @@ exist: /* Lookup a tunnel by id */ -struct l2tp_tunnel *l2tp_tunnel_find(struct net *net, u32 tunnel_id) +struct l2tp_tunnel *l2tp_tunnel_find(const struct net *net, u32 tunnel_id) { struct l2tp_tunnel *tunnel; struct l2tp_net *pn = l2tp_pernet(net); @@ -445,7 +397,7 @@ struct l2tp_tunnel *l2tp_tunnel_find(struct net *net, u32 tunnel_id) } EXPORT_SYMBOL_GPL(l2tp_tunnel_find); -struct l2tp_tunnel *l2tp_tunnel_find_nth(struct net *net, int nth) +struct l2tp_tunnel *l2tp_tunnel_find_nth(const struct net *net, int nth) { struct l2tp_net *pn = l2tp_pernet(net); struct l2tp_tunnel *tunnel; |