git: 053a24d12cc7 - main - debugnet: Add ifnet accessor to set debugnet methods

The branch main has been updated by jhibbits:

URL: https://cgit.FreeBSD.org/src/commit/?id=053a24d12cc7bc4fee4340f2e2b11f8d167909ed

commit 053a24d12cc7bc4fee4340f2e2b11f8d167909ed
Author:     Justin Hibbits <jhibbits@FreeBSD.org>
AuthorDate: 2023-01-13 16:30:58 +0000
Commit:     Justin Hibbits <jhibbits@FreeBSD.org>
CommitDate: 2023-01-24 20:03:35 +0000

    debugnet: Add ifnet accessor to set debugnet methods
    
    As part of the effort to hide the internals of the ifnet struct, convert
    the DEBUGNET_SET() macro to use an accessor instead of directly touching
    the methods member.
    
    Reviewed by:    glebius (older version)
    Sponsored by:   Juniper Networks, Inc.
    Differential Revision: https://reviews.freebsd.org/D38105
---
 sys/net/debugnet.h | 2 +-
 sys/net/if.c       | 6 ++++++
 sys/net/if_var.h   | 1 +
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/sys/net/debugnet.h b/sys/net/debugnet.h
index ce7cba52fcb0..68dabba175de 100644
--- a/sys/net/debugnet.h
+++ b/sys/net/debugnet.h
@@ -263,7 +263,7 @@ extern int debugnet_arp_nretries;
 #define	DEBUGNET_NOTIFY_MTU(ifp)	debugnet_any_ifnet_update(ifp)
 
 #define	DEBUGNET_SET(ifp, driver)				\
-	(ifp)->if_debugnet_methods = &driver##_debugnet_methods
+	if_setdebugnet_methods((ifp), &driver##_debugnet_methods)
 
 #else /* !DEBUGNET || !INET */
 
diff --git a/sys/net/if.c b/sys/net/if.c
index a18e4f1d8f56..ff505e1a1fe8 100644
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -4803,6 +4803,12 @@ if_setgetcounterfn(if_t ifp, if_get_counter_t fn)
 	ifp->if_get_counter = fn;
 }
 
+void
+if_setdebugnet_methods(if_t ifp, struct debugnet_methods *m)
+{
+	ifp->if_debugnet_methods = m;
+}
+
 #ifdef DDB
 static void
 if_show_ifnet(struct ifnet *ifp)
diff --git a/sys/net/if_var.h b/sys/net/if_var.h
index 831c609b3e2c..e794811e090e 100644
--- a/sys/net/if_var.h
+++ b/sys/net/if_var.h
@@ -653,6 +653,7 @@ void if_settransmitfn(if_t ifp, if_transmit_fn_t);
 void if_setqflushfn(if_t ifp, if_qflush_fn_t);
 void if_setgetcounterfn(if_t ifp, if_get_counter_t);
 void if_setsndtagallocfn(if_t ifp, if_snd_tag_alloc_t);
+void if_setdebugnet_methods(struct ifnet *, struct debugnet_methods *);
 
 /* TSO */
 void if_hw_tsomax_common(if_t ifp, struct ifnet_hw_tsomax *);