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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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Several cases of overlapping changes, except the packet scheduler
conflicts which deal with the addition of the free list parameter
to qdisc_enqueue().

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2016-06-30 05:03:36 -04:00
parent 6f30e8b022 e7bdea7750
commit ee58b57100
725 changed files with 7052 additions and 4289 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/tipc/bearer.c
View File

@@ -411,7 +411,7 @@ int tipc_l2_send_msg(struct net *net, struct sk_buff *skb,
return 0;
/* Send RESET message even if bearer is detached from device */
tipc_ptr = rtnl_dereference(dev->tipc_ptr);
tipc_ptr = rcu_dereference_rtnl(dev->tipc_ptr);
if (unlikely(!tipc_ptr && !msg_is_reset(buf_msg(skb))))
goto drop;

3
net/tipc/link.c
View File

@@ -705,7 +705,8 @@ static void link_profile_stats(struct tipc_link *l)
*/
int tipc_link_timeout(struct tipc_link *l, struct sk_buff_head *xmitq)
{
int mtyp, rc = 0;
int mtyp = 0;
int rc = 0;
bool state = false;
bool probe = false;
bool setup = false;

6
net/tipc/msg.c
View File

@@ -41,6 +41,8 @@
#include "name_table.h"
#define MAX_FORWARD_SIZE 1024
#define BUF_HEADROOM (LL_MAX_HEADER + 48)
#define BUF_TAILROOM 16
static unsigned int align(unsigned int i)
{
@@ -505,6 +507,10 @@ bool tipc_msg_reverse(u32 own_node, struct sk_buff **skb, int err)
msg_set_hdr_sz(hdr, BASIC_H_SIZE);
}
if (skb_cloned(_skb) &&
pskb_expand_head(_skb, BUF_HEADROOM, BUF_TAILROOM, GFP_KERNEL))
goto exit;
/* Now reverse the concerned fields */
msg_set_errcode(hdr, err);
msg_set_origport(hdr, msg_destport(&ohdr));

11
net/tipc/msg.h
View File

@@ -94,17 +94,6 @@ struct plist;
#define TIPC_MEDIA_INFO_OFFSET 5
/**
* TIPC message buffer code
*
* TIPC message buffer headroom reserves space for the worst-case
* link-level device header (in case the message is sent off-node).
*
* Note: Headroom should be a multiple of 4 to ensure the TIPC header fields
* are word aligned for quicker access
*/
#define BUF_HEADROOM (LL_MAX_HEADER + 48)
struct tipc_skb_cb {
void *handle;
struct sk_buff *tail;

54
net/tipc/socket.c
View File

@@ -796,9 +796,11 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
* @tsk: receiving socket
* @skb: pointer to message buffer.
*/
static void tipc_sk_proto_rcv(struct tipc_sock *tsk, struct sk_buff *skb)
static void tipc_sk_proto_rcv(struct tipc_sock *tsk, struct sk_buff *skb,
struct sk_buff_head *xmitq)
{
struct sock *sk = &tsk->sk;
u32 onode = tsk_own_node(tsk);
struct tipc_msg *hdr = buf_msg(skb);
int mtyp = msg_type(hdr);
bool conn_cong;
@@ -811,7 +813,8 @@ static void tipc_sk_proto_rcv(struct tipc_sock *tsk, struct sk_buff *skb)
if (mtyp == CONN_PROBE) {
msg_set_type(hdr, CONN_PROBE_REPLY);
tipc_sk_respond(sk, skb, TIPC_OK);
if (tipc_msg_reverse(onode, &skb, TIPC_OK))
__skb_queue_tail(xmitq, skb);
return;
} else if (mtyp == CONN_ACK) {
conn_cong = tsk_conn_cong(tsk);
@@ -1686,7 +1689,8 @@ static unsigned int rcvbuf_limit(struct sock *sk, struct sk_buff *skb)
*
* Returns true if message was added to socket receive queue, otherwise false
*/
static bool filter_rcv(struct sock *sk, struct sk_buff *skb)
static bool filter_rcv(struct sock *sk, struct sk_buff *skb,
struct sk_buff_head *xmitq)
{
struct socket *sock = sk->sk_socket;
struct tipc_sock *tsk = tipc_sk(sk);
@@ -1696,7 +1700,7 @@ static bool filter_rcv(struct sock *sk, struct sk_buff *skb)
int usr = msg_user(hdr);
if (unlikely(msg_user(hdr) == CONN_MANAGER)) {
tipc_sk_proto_rcv(tsk, skb);
tipc_sk_proto_rcv(tsk, skb, xmitq);
return false;
}
@@ -1739,7 +1743,8 @@ static bool filter_rcv(struct sock *sk, struct sk_buff *skb)
return true;
reject:
tipc_sk_respond(sk, skb, err);
if (tipc_msg_reverse(tsk_own_node(tsk), &skb, err))
__skb_queue_tail(xmitq, skb);
return false;
}
@@ -1755,9 +1760,24 @@ reject:
static int tipc_backlog_rcv(struct sock *sk, struct sk_buff *skb)
{
unsigned int truesize = skb->truesize;
struct sk_buff_head xmitq;
u32 dnode, selector;
if (likely(filter_rcv(sk, skb)))
__skb_queue_head_init(&xmitq);
if (likely(filter_rcv(sk, skb, &xmitq))) {
atomic_add(truesize, &tipc_sk(sk)->dupl_rcvcnt);
return 0;
}
if (skb_queue_empty(&xmitq))
return 0;
/* Send response/rejected message */
skb = __skb_dequeue(&xmitq);
dnode = msg_destnode(buf_msg(skb));
selector = msg_origport(buf_msg(skb));
tipc_node_xmit_skb(sock_net(sk), skb, dnode, selector);
return 0;
}
@@ -1771,12 +1791,13 @@ static int tipc_backlog_rcv(struct sock *sk, struct sk_buff *skb)
* Caller must hold socket lock
*/
static void tipc_sk_enqueue(struct sk_buff_head *inputq, struct sock *sk,
u32 dport)
u32 dport, struct sk_buff_head *xmitq)
{
unsigned long time_limit = jiffies + 2;
struct sk_buff *skb;
unsigned int lim;
atomic_t *dcnt;
struct sk_buff *skb;
unsigned long time_limit = jiffies + 2;
u32 onode;
while (skb_queue_len(inputq)) {
if (unlikely(time_after_eq(jiffies, time_limit)))
@@ -1788,7 +1809,7 @@ static void tipc_sk_enqueue(struct sk_buff_head *inputq, struct sock *sk,
/* Add message directly to receive queue if possible */
if (!sock_owned_by_user(sk)) {
filter_rcv(sk, skb);
filter_rcv(sk, skb, xmitq);
continue;
}
@@ -1801,7 +1822,9 @@ static void tipc_sk_enqueue(struct sk_buff_head *inputq, struct sock *sk,
continue;
/* Overload => reject message back to sender */
tipc_sk_respond(sk, skb, TIPC_ERR_OVERLOAD);
onode = tipc_own_addr(sock_net(sk));
if (tipc_msg_reverse(onode, &skb, TIPC_ERR_OVERLOAD))
__skb_queue_tail(xmitq, skb);
break;
}
}
@@ -1814,12 +1837,14 @@ static void tipc_sk_enqueue(struct sk_buff_head *inputq, struct sock *sk,
*/
void tipc_sk_rcv(struct net *net, struct sk_buff_head *inputq)
{
struct sk_buff_head xmitq;
u32 dnode, dport = 0;
int err;
struct tipc_sock *tsk;
struct sock *sk;
struct sk_buff *skb;
__skb_queue_head_init(&xmitq);
while (skb_queue_len(inputq)) {
dport = tipc_skb_peek_port(inputq, dport);
tsk = tipc_sk_lookup(net, dport);
@@ -1827,9 +1852,14 @@ void tipc_sk_rcv(struct net *net, struct sk_buff_head *inputq)
if (likely(tsk)) {
sk = &tsk->sk;
if (likely(spin_trylock_bh(&sk->sk_lock.slock))) {
tipc_sk_enqueue(inputq, sk, dport);
tipc_sk_enqueue(inputq, sk, dport, &xmitq);
spin_unlock_bh(&sk->sk_lock.slock);
}
/* Send pending response/rejected messages, if any */
while ((skb = __skb_dequeue(&xmitq))) {
dnode = msg_destnode(buf_msg(skb));
tipc_node_xmit_skb(net, skb, dnode, dport);
}
sock_put(sk);
continue;
}