The branch main has been updated by tuexen:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=bd30a1216e03e14cfaa7e91b1fc72ad76e9cd240

commit bd30a1216e03e14cfaa7e91b1fc72ad76e9cd240
Author:     Michael Tuexen <[email protected]>
AuthorDate: 2022-08-08 11:07:10 +0000
Commit:     Michael Tuexen <[email protected]>
CommitDate: 2022-08-08 11:07:10 +0000

    tcp: improve BBLog for output events when using the FreeBSD stack
    
    Put the return value of ip_output()/ip6_output in the output event
    instead of adding another one in case of an error. This improves
    consistency with other similar places.
    
    Reviewed by:            rscheff
    Sponsored by:           Netflix, Inc.
    Differential Revision:  https://reviews.freebsd.org/D36085
---
 sys/netinet/tcp_output.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c
index d2f946034c60..4aa2f3664c55 100644
--- a/sys/netinet/tcp_output.c
+++ b/sys/netinet/tcp_output.c
@@ -222,6 +222,7 @@ tcp_default_output(struct tcpcb *tp)
        int tso, mtu;
        struct tcpopt to;
        struct udphdr *udp = NULL;
+       struct tcp_log_buffer *lgb;
        unsigned int wanted_cookie = 0;
        unsigned int dont_sendalot = 0;
 #if 0
@@ -1441,8 +1442,13 @@ send:
        TCP_PROBE3(debug__output, tp, th, m);
 
        /* We're getting ready to send; log now. */
-       TCP_LOG_EVENT(tp, th, &so->so_rcv, &so->so_snd, TCP_LOG_OUT, ERRNO_UNK,
-           len, NULL, false);
+       /* XXXMT: We are not honoring verbose logging. */
+       if (tp->t_logstate != TCP_LOG_STATE_OFF)
+               lgb = tcp_log_event_(tp, th, &so->so_rcv, &so->so_snd,
+                   TCP_LOG_OUT, ERRNO_UNK, len, NULL, false, NULL, NULL, 0,
+                   NULL);
+       else
+               lgb = NULL;
 
        /*
         * Fill in IP length and desired time to live and
@@ -1542,6 +1548,10 @@ send:
     }
 #endif /* INET */
 
+       if (lgb != NULL) {
+               lgb->tlb_errno = error;
+               lgb = NULL;
+       }
 out:
        if (error == 0)
                tcp_account_for_send(tp, len, (tp->snd_nxt != tp->snd_max), 0, 
hw_tls);
@@ -1655,10 +1665,6 @@ timer:
                    tcp_clean_dsack_blocks(tp);
        }
        if (error) {
-               /* Record the error. */
-               TCP_LOG_EVENT(tp, NULL, &so->so_rcv, &so->so_snd, TCP_LOG_OUT,
-                   error, 0, NULL, false);
-
                /*
                 * We know that the packet was lost, so back out the
                 * sequence number advance, if any.

Reply via email to