git: 3708c3d370f2 - main - tcp: reserve tcp_info counters for AccECN

The branch main has been updated by rscheff:

URL: https://cgit.FreeBSD.org/src/commit/?id=3708c3d370f26af0841cd3e97bf569d39c42953b

commit 3708c3d370f26af0841cd3e97bf569d39c42953b
Author:     Richard Scheffenegger <rscheff@FreeBSD.org>
AuthorDate: 2022-11-04 09:18:41 +0000
Commit:     Richard Scheffenegger <rscheff@FreeBSD.org>
CommitDate: 2022-11-04 09:18:53 +0000

    tcp: reserve tcp_info counters for AccECN
    
    Marking all new fields unused (__xxx).
    
    No functional change.
    
    Reviewed By:            tuexen, rrs, #transport
    Sponsored by:           NetApp, Inc.
    Differential Revision:  https://reviews.freebsd.org/D37016
---
 sys/netinet/tcp.h | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/sys/netinet/tcp.h b/sys/netinet/tcp.h
index 6a3603287f5d..7bb2efe5fae0 100644
--- a/sys/netinet/tcp.h
+++ b/sys/netinet/tcp.h
@@ -389,8 +389,17 @@ struct tcp_info {
 	u_int32_t	tcpi_rcv_ooopack;	/* Out-of-order packets */
 	u_int32_t	tcpi_snd_zerowin;	/* Zero-sized windows sent */
 
+	/* Accurate ECN counters. */
+	u_int32_t	__tcpi_received_ce;		/* # of CE marks received */
+	u_int32_t	__tcpi_delivered_e1_bytes;
+	u_int32_t	__tcpi_delivered_e0_bytes;
+	u_int32_t	__tcpi_delivered_ce_bytes;
+	u_int32_t	__tcpi_received_e1_bytes;
+	u_int32_t	__tcpi_received_e0_bytes;
+	u_int32_t	__tcpi_received_ce_bytes;
+
 	/* Padding to grow without breaking ABI. */
-	u_int32_t	__tcpi_pad[26];		/* Padding. */
+	u_int32_t	__tcpi_pad[19];		/* Padding. */
 };
 
 /*