@@ -256,7 +256,7 @@ struct tls_context {
struct scatterlist *partially_sent_record;
u16 partially_sent_offset;
- bool in_tcp_sendpages;
+ bool splicing_pages;
bool pending_open_record_frags;
struct mutex tx_lock; /* protects partially_sent_* fields and
@@ -124,7 +124,11 @@ int tls_push_sg(struct sock *sk,
u16 first_offset,
int flags)
{
- int sendpage_flags = flags | MSG_SENDPAGE_NOTLAST;
+ struct bio_vec bvec;
+ struct msghdr msg = {
+ .msg_flags = flags | MSG_SENDPAGE_NOTLAST,
+ .msg_kflags = MSG_SPLICE_PAGES,
+ };
int ret = 0;
struct page *p;
size_t size;
@@ -133,16 +137,19 @@ int tls_push_sg(struct sock *sk,
size = sg->length - offset;
offset += sg->offset;
- ctx->in_tcp_sendpages = true;
+ ctx->splicing_pages = true;
while (1) {
if (sg_is_last(sg))
- sendpage_flags = flags;
+ msg.msg_flags = flags;
/* is sending application-limited? */
tcp_rate_check_app_limited(sk);
p = sg_page(sg);
retry:
- ret = do_tcp_sendpages(sk, p, offset, size, sendpage_flags);
+ bvec_set_page(&bvec, p, size, offset);
+ iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bvec, 1, size);
+
+ ret = tcp_sendmsg_locked(sk, &msg, size);
if (ret != size) {
if (ret > 0) {
@@ -154,7 +161,7 @@ int tls_push_sg(struct sock *sk,
offset -= sg->offset;
ctx->partially_sent_offset = offset;
ctx->partially_sent_record = (void *)sg;
- ctx->in_tcp_sendpages = false;
+ ctx->splicing_pages = false;
return ret;
}
@@ -168,7 +175,7 @@ int tls_push_sg(struct sock *sk,
size = sg->length;
}
- ctx->in_tcp_sendpages = false;
+ ctx->splicing_pages = false;
return 0;
}
@@ -246,11 +253,11 @@ static void tls_write_space(struct sock *sk)
{
struct tls_context *ctx = tls_get_ctx(sk);
- /* If in_tcp_sendpages call lower protocol write space handler
+ /* If splicing_pages call lower protocol write space handler
* to ensure we wake up any waiting operations there. For example
- * if do_tcp_sendpages where to call sk_wait_event.
+ * if splicing pages where to call sk_wait_event.
*/
- if (ctx->in_tcp_sendpages) {
+ if (ctx->splicing_pages) {
ctx->sk_write_space(sk);
return;
}
do_tcp_sendpages() is now just a small wrapper around tcp_sendmsg_locked(), so inline it, allowing do_tcp_sendpages() to be removed. This is part of replacing ->sendpage() with a call to sendmsg() with MSG_SPLICE_PAGES set. Signed-off-by: David Howells <dhowells@redhat.com> cc: Boris Pismenny <borisp@nvidia.com> cc: John Fastabend <john.fastabend@gmail.com> cc: Jakub Kicinski <kuba@kernel.org> cc: "David S. Miller" <davem@davemloft.net> cc: Eric Dumazet <edumazet@google.com> cc: Paolo Abeni <pabeni@redhat.com> cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> cc: netdev@vger.kernel.org --- include/net/tls.h | 2 +- net/tls/tls_main.c | 25 ++++++++++++++++--------- 2 files changed, 17 insertions(+), 10 deletions(-)