svn commit: r277112 - projects/ifnet/sys/net

[Gleb Smirnoff]

Author: glebius
Date: Tue Jan 13 07:40:59 2015
New Revision: 277112
URL: https://svnweb.freebsd.org/changeset/base/277112

Log:
  Provide function if_inc_txcounters(), that accounts successful transmission
  of an mbuf, to be used in NIC TX interrupt completion routines.
  
  Sponsored by:	Nginx, Inc.

Modified:
  projects/ifnet/sys/net/if.c
  projects/ifnet/sys/net/if.h

Modified: projects/ifnet/sys/net/if.c
==============================================================================
--- projects/ifnet/sys/net/if.c	Tue Jan 13 07:38:29 2015	(r277111)
+++ projects/ifnet/sys/net/if.c	Tue Jan 13 07:40:59 2015	(r277112)
@@ -1670,6 +1670,19 @@ if_inc_counter(struct ifnet *ifp, ift_co
 }
 
 /*
+ * Account successful transmission of an mbuf.
+ */
+void
+if_inc_txcounters(struct ifnet *ifp, struct mbuf *m)
+{
+
+	counter_u64_add(ifp->if_counters[IFCOUNTER_OBYTES], m->m_pkthdr.len);
+	counter_u64_add(ifp->if_counters[IFCOUNTER_OPACKETS], 1);
+	if (m->m_flags & M_MCAST)
+		counter_u64_add(ifp->if_counters[IFCOUNTER_OMCASTS], 1);
+}
+
+/*
  * Copy data from ifnet to userland API structure if_data.
  */
 void

Modified: projects/ifnet/sys/net/if.h
==============================================================================
--- projects/ifnet/sys/net/if.h	Tue Jan 13 07:38:29 2015	(r277111)
+++ projects/ifnet/sys/net/if.h	Tue Jan 13 07:40:59 2015	(r277112)
@@ -706,6 +706,7 @@ void	if_detach(if_t);
 void	if_input(if_t, struct mbuf *);
 void	if_mtap(if_t, struct mbuf *, void *, u_int);
 void	if_inc_counter(if_t, ift_counter, int64_t);
+void	if_inc_txcounters(if_t, struct mbuf *);
 void	if_link_state_change(if_t, int);
 void	if_set(if_t, ift_feature, uint64_t);
 void *	if_getsoftc(if_t, ift_feature);