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

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Move the bpf verifier trace check into the new switch statement in
HEAD.

Resolve the overlapping changes in hinic, where bug fixes overlap
the addition of VF support.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2020-05-15 13:48:59 -07:00
parent 93d43e5868 f85c1598dd
commit da07f52d3c
342 changed files with 3468 additions and 1533 deletions
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27
net/ipv4/tcp.c
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@@ -476,9 +476,17 @@ static void tcp_tx_timestamp(struct sock *sk, u16 tsflags)
static inline bool tcp_stream_is_readable(const struct tcp_sock *tp,
int target, struct sock *sk)
{
return (READ_ONCE(tp->rcv_nxt) - READ_ONCE(tp->copied_seq) >= target) ||
(sk->sk_prot->stream_memory_read ?
sk->sk_prot->stream_memory_read(sk) : false);
int avail = READ_ONCE(tp->rcv_nxt) - READ_ONCE(tp->copied_seq);
if (avail > 0) {
if (avail >= target)
return true;
if (tcp_rmem_pressure(sk))
return true;
}
if (sk->sk_prot->stream_memory_read)
return sk->sk_prot->stream_memory_read(sk);
return false;
}
/*
@@ -1756,10 +1764,11 @@ static int tcp_zerocopy_receive(struct sock *sk,
down_read(&current->mm->mmap_sem);
ret = -EINVAL;
vma = find_vma(current->mm, address);
if (!vma || vma->vm_start > address || vma->vm_ops != &tcp_vm_ops)
goto out;
if (!vma || vma->vm_start > address || vma->vm_ops != &tcp_vm_ops) {
up_read(&current->mm->mmap_sem);
return -EINVAL;
}
zc->length = min_t(unsigned long, zc->length, vma->vm_end - address);
tp = tcp_sk(sk);
@@ -2154,13 +2163,15 @@ skip_copy:
tp->urg_data = 0;
tcp_fast_path_check(sk);
}
if (used + offset < skb->len)
continue;
if (TCP_SKB_CB(skb)->has_rxtstamp) {
tcp_update_recv_tstamps(skb, &tss);
cmsg_flags |= 2;
}
if (used + offset < skb->len)
continue;
if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)
goto found_fin_ok;
if (!(flags & MSG_PEEK))