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authorDavid Howells <dhowells@redhat.com>2023-06-07 19:19:11 +0100
committerJakub Kicinski <kuba@kernel.org>2023-06-08 19:40:30 -0700
commitdf720d288dbb1793e82b6ccbfc670ec871e9def4 (patch)
treed752948d354653b814e344ea2666a9f28e7ba664 /net/tls/tls_main.c
parent2bfc66850952b6921b2033b09729ec59eabbc81d (diff)
tls/sw: Use splice_eof() to flush
Allow splice to end a TLS record after prematurely ending a splice/sendfile due to getting an EOF condition (->splice_read() returned 0) after splice had called TLS with a sendmsg() with MSG_MORE set when the user didn't set MSG_MORE. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/r/CAHk-=wh=V579PDYvkpnTobCLGczbgxpMgGmmhqiTyE34Cpi5Gg@mail.gmail.com/ Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> cc: Chuck Lever <chuck.lever@oracle.com> cc: Boris Pismenny <borisp@nvidia.com> cc: John Fastabend <john.fastabend@gmail.com> cc: Jens Axboe <axboe@kernel.dk> cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/tls/tls_main.c')
-rw-r--r--net/tls/tls_main.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index e02a0d882ed3..82ec5c654f32 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -957,6 +957,7 @@ static void build_proto_ops(struct proto_ops ops[TLS_NUM_CONFIG][TLS_NUM_CONFIG]
ops[TLS_BASE][TLS_BASE] = *base;
ops[TLS_SW ][TLS_BASE] = ops[TLS_BASE][TLS_BASE];
+ ops[TLS_SW ][TLS_BASE].splice_eof = tls_sw_splice_eof;
ops[TLS_SW ][TLS_BASE].sendpage_locked = tls_sw_sendpage_locked;
ops[TLS_BASE][TLS_SW ] = ops[TLS_BASE][TLS_BASE];
@@ -1027,6 +1028,7 @@ static void build_protos(struct proto prot[TLS_NUM_CONFIG][TLS_NUM_CONFIG],
prot[TLS_SW][TLS_BASE] = prot[TLS_BASE][TLS_BASE];
prot[TLS_SW][TLS_BASE].sendmsg = tls_sw_sendmsg;
+ prot[TLS_SW][TLS_BASE].splice_eof = tls_sw_splice_eof;
prot[TLS_SW][TLS_BASE].sendpage = tls_sw_sendpage;
prot[TLS_BASE][TLS_SW] = prot[TLS_BASE][TLS_BASE];