git: 31cfaf191b08 - main - IfAPI: Add l2com accessor for firewire.

The branch main has been updated by jhibbits:

URL: https://cgit.FreeBSD.org/src/commit/?id=31cfaf191b0861d54ce8e212c77b458fd8fc018e

commit 31cfaf191b0861d54ce8e212c77b458fd8fc018e
Author:     Justin Hibbits <jhibbits@FreeBSD.org>
AuthorDate: 2023-01-25 19:45:53 +0000
Commit:     Justin Hibbits <jhibbits@FreeBSD.org>
CommitDate: 2023-01-31 20:02:17 +0000

    IfAPI: Add l2com accessor for firewire.
    
    Summary:
    Firewire is the only device driver that accesses the l2com member, all
    other accesses are handled within the netstack itself.
    
    Sponsored by:   Juniper Networks, Inc.
    Reviewed by:    glebius, melifaro
    Differential Revision: https://reviews.freebsd.org/D38203
---
 sys/net/firewire.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/firewire.h b/sys/net/firewire.h
index dd7d23e49e73..527113aec720 100644
--- a/sys/net/firewire.h
+++ b/sys/net/firewire.h
@@ -131,7 +131,7 @@ struct fw_com {
 	uint16_t		fc_node;	/* our nodeid */
 	struct fw_reass_list	fc_frags;	/* partial datagrams */
 };
-#define	IFP2FWC(ifp)	((struct fw_com *)(ifp)->if_l2com)
+#define	IFP2FWC(ifp)	((struct fw_com *)if_getl2com(ifp))
 
 extern	void	firewire_input(struct ifnet *ifp, struct mbuf *m, uint16_t src);
 extern	void	firewire_ifattach(struct ifnet *, struct fw_hwaddr *);
diff --git a/sys/net/if.c b/sys/net/if.c
index ac8b6963172d..2ab12d1ac313 100644
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -4941,6 +4941,12 @@ if_getpcp(if_t ifp)
 	return (ifp->if_pcp);
 }
 
+void *
+if_getl2com(if_t ifp)
+{
+	return (ifp->if_l2com);
+}
+
 #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 be7a5f059a7e..dbf8796865f0 100644
--- a/sys/net/if_var.h
+++ b/sys/net/if_var.h
@@ -644,6 +644,7 @@ struct label *if_getmaclabel(if_t ifp);
 void if_setmaclabel(if_t ifp, struct label *label);
 struct bpf_if *if_getbpf(if_t ifp);
 uint8_t if_getpcp(if_t ifp);
+void *if_getl2com(if_t ifp);
 struct ifvlantrunk *if_getvlantrunk(if_t ifp);
 void *if_getafdata(if_t ifp, int);