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tcp: rename sk_stream_alloc_skb 

sk_stream_alloc_skb() is only used by TCP.

Rename it to make this clear, and move its declaration
to include/net/tcp.h

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2021-10-25 15:13:40 -07:00 committed by David S. Miller
parent d18785e213
commit f8dd3b8d70
4 changed files with 13 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/net/sock.h
View File

@ -2422,9 +2422,6 @@ static inline void sk_stream_moderate_sndbuf(struct sock *sk)
WRITE_ONCE(sk->sk_sndbuf, max_t(u32, val, SOCK_MIN_SNDBUF));
}
struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
bool force_schedule);
/**
* sk_page_frag - return an appropriate page_frag
* @sk: socket

2
include/net/tcp.h
View File

@ -337,6 +337,8 @@ void tcp_twsk_destructor(struct sock *sk);
ssize_t tcp_splice_read(struct socket *sk, loff_t *ppos,
struct pipe_inode_info *pipe, size_t len,
unsigned int flags);
struct sk_buff *tcp_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
bool force_schedule);
void tcp_enter_quickack_mode(struct sock *sk, unsigned int max_quickacks);
static inline void tcp_dec_quickack_mode(struct sock *sk,

12
net/ipv4/tcp.c
View File

@ -856,8 +856,8 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos,
}
EXPORT_SYMBOL(tcp_splice_read);
struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
bool force_schedule)
struct sk_buff *tcp_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
bool force_schedule)
{
struct sk_buff *skb;
@ -960,8 +960,8 @@ static struct sk_buff *tcp_build_frag(struct sock *sk, int size_goal, int flags,
if (!sk_stream_memory_free(sk))
return NULL;
skb = sk_stream_alloc_skb(sk, 0, sk->sk_allocation,
tcp_rtx_and_write_queues_empty(sk));
skb = tcp_stream_alloc_skb(sk, 0, sk->sk_allocation,
tcp_rtx_and_write_queues_empty(sk));
if (!skb)
return NULL;
@ -1289,8 +1289,8 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size)
goto restart;
}
first_skb = tcp_rtx_and_write_queues_empty(sk);
skb = sk_stream_alloc_skb(sk, 0, sk->sk_allocation,
first_skb);
skb = tcp_stream_alloc_skb(sk, 0, sk->sk_allocation,
first_skb);
if (!skb)
goto wait_for_space;

10
net/ipv4/tcp_output.c
View File

@ -1564,7 +1564,7 @@ int tcp_fragment(struct sock *sk, enum tcp_queue tcp_queue,
return -ENOMEM;
/* Get a new skb... force flag on. */
buff = sk_stream_alloc_skb(sk, nsize, gfp, true);
buff = tcp_stream_alloc_skb(sk, nsize, gfp, true);
if (!buff)
return -ENOMEM; /* We'll just try again later. */
skb_copy_decrypted(buff, skb);
@ -2121,7 +2121,7 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len,
return tcp_fragment(sk, TCP_FRAG_IN_WRITE_QUEUE,
skb, len, mss_now, gfp);
buff = sk_stream_alloc_skb(sk, 0, gfp, true);
buff = tcp_stream_alloc_skb(sk, 0, gfp, true);
if (unlikely(!buff))
return -ENOMEM;
skb_copy_decrypted(buff, skb);
@ -2388,7 +2388,7 @@ static int tcp_mtu_probe(struct sock *sk)
return -1;
/* We're allowed to probe. Build it now. */
nskb = sk_stream_alloc_skb(sk, probe_size, GFP_ATOMIC, false);
nskb = tcp_stream_alloc_skb(sk, probe_size, GFP_ATOMIC, false);
if (!nskb)
return -1;
sk_wmem_queued_add(sk, nskb->truesize);
@ -3754,7 +3754,7 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn)
/* limit to order-0 allocations */
space = min_t(size_t, space, SKB_MAX_HEAD(MAX_TCP_HEADER));
syn_data = sk_stream_alloc_skb(sk, space, sk->sk_allocation, false);
syn_data = tcp_stream_alloc_skb(sk, space, sk->sk_allocation, false);
if (!syn_data)
goto fallback;
syn_data->ip_summed = CHECKSUM_PARTIAL;
@ -3835,7 +3835,7 @@ int tcp_connect(struct sock *sk)
return 0;
}
buff = sk_stream_alloc_skb(sk, 0, sk->sk_allocation, true);
buff = tcp_stream_alloc_skb(sk, 0, sk->sk_allocation, true);
if (unlikely(!buff))
return -ENOBUFS;