diff options
| author | David Howells <dhowells@redhat.com> | 2023-06-24 01:54:58 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-06-25 01:50:12 +0300 |
| commit | f8dd95b29d7ef08c19ec9720564acf72243ddcf6 (patch) | |
| tree | 5abb4a2d6b7e8dd36665f83e90e043b0907f833e /net/ipv4/tcp_bpf.c | |
| parent | b545a13ca9b203eacce1e52ae2e32f99b860347c (diff) | |
| download | linux-f8dd95b29d7ef08c19ec9720564acf72243ddcf6.tar.xz | |
tcp_bpf, smc, tls, espintcp, siw: Reduce MSG_SENDPAGE_NOTLAST usage
As MSG_SENDPAGE_NOTLAST is being phased out along with sendpage(), don't
use it further in than the sendpage methods, but rather translate it to
MSG_MORE and use that instead.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
cc: Bernard Metzler <bmt@zurich.ibm.com>
cc: Jason Gunthorpe <jgg@ziepe.ca>
cc: Leon Romanovsky <leon@kernel.org>
cc: John Fastabend <john.fastabend@gmail.com>
cc: Jakub Sitnicki <jakub@cloudflare.com>
cc: David Ahern <dsahern@kernel.org>
cc: Karsten Graul <kgraul@linux.ibm.com>
cc: Wenjia Zhang <wenjia@linux.ibm.com>
cc: Jan Karcher <jaka@linux.ibm.com>
cc: "D. Wythe" <alibuda@linux.alibaba.com>
cc: Tony Lu <tonylu@linux.alibaba.com>
cc: Wen Gu <guwen@linux.alibaba.com>
cc: Boris Pismenny <borisp@nvidia.com>
cc: Steffen Klassert <steffen.klassert@secunet.com>
cc: Herbert Xu <herbert@gondor.apana.org.au>
Link: https://lore.kernel.org/r/20230623225513.2732256-2-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_bpf.c')
| -rw-r--r-- | net/ipv4/tcp_bpf.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c index 5a84053ac62b..31d6005cea9b 100644 --- a/net/ipv4/tcp_bpf.c +++ b/net/ipv4/tcp_bpf.c @@ -88,9 +88,9 @@ static int bpf_tcp_ingress(struct sock *sk, struct sk_psock *psock, static int tcp_bpf_push(struct sock *sk, struct sk_msg *msg, u32 apply_bytes, int flags, bool uncharge) { + struct msghdr msghdr = {}; bool apply = apply_bytes; struct scatterlist *sge; - struct msghdr msghdr = { .msg_flags = flags | MSG_SPLICE_PAGES, }; struct page *page; int size, ret = 0; u32 off; @@ -107,11 +107,12 @@ static int tcp_bpf_push(struct sock *sk, struct sk_msg *msg, u32 apply_bytes, tcp_rate_check_app_limited(sk); retry: + msghdr.msg_flags = flags | MSG_SPLICE_PAGES; has_tx_ulp = tls_sw_has_ctx_tx(sk); if (has_tx_ulp) msghdr.msg_flags |= MSG_SENDPAGE_NOPOLICY; - if (flags & MSG_SENDPAGE_NOTLAST) + if (size < sge->length && msg->sg.start != msg->sg.end) msghdr.msg_flags |= MSG_MORE; bvec_set_page(&bvec, page, size, off); |