The branch main has been updated by glebius:
URL:
https://cgit.FreeBSD.org/src/commit/?id=d8773fdcbfa363da3e14ec3661b565edbfce03e0
commit d8773fdcbfa363da3e14ec3661b565edbfce03e0
Author: Gleb Smirnoff <gleb...@freebsd.org>
AuthorDate: 2025-06-02 20:47:25 +0000
Commit: Gleb Smirnoff <gleb...@freebsd.org>
CommitDate: 2025-06-02 20:49:41 +0000
sockets: gc SB_STOP flag
This flag was used when unix(4) sockets were serviced by the generic
socket buffer code and it was needed to signal fullness of a receive
buffer into send buffer of the peer.
---
sys/sys/sockbuf.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/sys/sys/sockbuf.h b/sys/sys/sockbuf.h
index dbf5c1ff956d..7f6234ade6f4 100644
--- a/sys/sys/sockbuf.h
+++ b/sys/sys/sockbuf.h
@@ -46,7 +46,7 @@
#define SB_NOCOALESCE 0x200 /* don't coalesce new data into
existing mbufs */
#define SB_IN_TOE 0x400 /* socket buffer is in the
middle of an operation */
#define SB_AUTOSIZE 0x800 /* automatically size socket
buffer */
-#define SB_STOP 0x1000 /* backpressure indicator */
+/* was SB_STOP 0x1000 */
#define SB_AIO_RUNNING 0x2000 /* AIO operation running */
#define SB_SPLICED 0x4000 /* socket buffer is spliced;
previously used for SB_TLS_IFNET */
@@ -303,9 +303,6 @@ sbspace(struct sockbuf *sb)
SOCKBUF_LOCK_ASSERT(sb);
#endif
- if (sb->sb_flags & SB_STOP)
- return(0);
-
bleft = sb->sb_hiwat - sb->sb_ccc;
mleft = sb->sb_mbmax - sb->sb_mbcnt;
