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

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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski
2021-12-02 11:44:56 -08:00
parent 36d7d36fcf a51e3ac43d
commit fc993be36f
221 changed files with 3008 additions and 1455 deletions
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30
include/net/sock.h
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@@ -1943,18 +1943,31 @@ static inline int sk_tx_queue_get(const struct sock *sk)
return -1;
}
static inline void sk_rx_queue_set(struct sock *sk, const struct sk_buff *skb)
static inline void __sk_rx_queue_set(struct sock *sk,
const struct sk_buff *skb,
bool force_set)
{
#ifdef CONFIG_SOCK_RX_QUEUE_MAPPING
if (skb_rx_queue_recorded(skb)) {
u16 rx_queue = skb_get_rx_queue(skb);
if (unlikely(READ_ONCE(sk->sk_rx_queue_mapping) != rx_queue))
if (force_set ||
unlikely(READ_ONCE(sk->sk_rx_queue_mapping) != rx_queue))
WRITE_ONCE(sk->sk_rx_queue_mapping, rx_queue);
}
#endif
}
static inline void sk_rx_queue_set(struct sock *sk, const struct sk_buff *skb)
{
__sk_rx_queue_set(sk, skb, true);
}
static inline void sk_rx_queue_update(struct sock *sk, const struct sk_buff *skb)
{
__sk_rx_queue_set(sk, skb, false);
}
static inline void sk_rx_queue_clear(struct sock *sk)
{
#ifdef CONFIG_SOCK_RX_QUEUE_MAPPING
@@ -2457,19 +2470,22 @@ static inline void sk_stream_moderate_sndbuf(struct sock *sk)
* @sk: socket
*
* Use the per task page_frag instead of the per socket one for
* optimization when we know that we're in the normal context and owns
* optimization when we know that we're in process context and own
* everything that's associated with %current.
*
* gfpflags_allow_blocking() isn't enough here as direct reclaim may nest
* inside other socket operations and end up recursing into sk_page_frag()
* while it's already in use.
* Both direct reclaim and page faults can nest inside other
* socket operations and end up recursing into sk_page_frag()
* while it's already in use: explicitly avoid task page_frag
* usage if the caller is potentially doing any of them.
* This assumes that page fault handlers use the GFP_NOFS flags.
*
* Return: a per task page_frag if context allows that,
* otherwise a per socket one.
*/
static inline struct page_frag *sk_page_frag(struct sock *sk)
{
if (gfpflags_normal_context(sk->sk_allocation))
if ((sk->sk_allocation & (__GFP_DIRECT_RECLAIM | __GFP_MEMALLOC | __GFP_FS)) ==
(__GFP_DIRECT_RECLAIM | __GFP_FS))
return &current->task_frag;
return &sk->sk_frag;