Author: np
Date: Thu Jun 23 21:07:15 2016
New Revision: 302153
URL: https://svnweb.freebsd.org/changeset/base/302153
Log:
Add spares to struct ifnet and socket for packet pacing and/or general
use. Update comments regarding the spare fields in struct inpcb.
Bump __FreeBSD_version for the changes to the size of the structures.
Reviewed by: gnn@
Approved by: re@ (gjb@)
Sponsored by: Chelsio Communications
Modified:
head/sys/net/if_var.h
head/sys/netinet/in_pcb.h
head/sys/sys/param.h
head/sys/sys/socketvar.h
Modified: head/sys/net/if_var.h
==============================================================================
--- head/sys/net/if_var.h Thu Jun 23 21:02:05 2016 (r302152)
+++ head/sys/net/if_var.h Thu Jun 23 21:07:15 2016 (r302153)
@@ -311,6 +311,8 @@ struct ifnet {
* that structure can be enhanced without changing the kernel
* binary interface.
*/
+ void *if_pspare[4]; /* packet pacing / general use */
+ int if_ispare[4]; /* packet pacing / general use */
};
/* for compatibility with other BSDs */
Modified: head/sys/netinet/in_pcb.h
==============================================================================
--- head/sys/netinet/in_pcb.h Thu Jun 23 21:02:05 2016 (r302152)
+++ head/sys/netinet/in_pcb.h Thu Jun 23 21:07:15 2016 (r302153)
@@ -202,10 +202,10 @@ struct inpcb {
u_char inp_ip_minttl; /* (i) minimum TTL or drop */
uint32_t inp_flowid; /* (x) flow id / queue id */
u_int inp_refcount; /* (i) refcount */
- void *inp_pspare[5]; /* (x) route caching / general use */
+ void *inp_pspare[5]; /* (x) packet pacing / general use */
uint32_t inp_flowtype; /* (x) M_HASHTYPE value */
uint32_t inp_rss_listen_bucket; /* (x) overridden RSS listen bucket */
- u_int inp_ispare[4]; /* (x) route caching / user cookie /
+ u_int inp_ispare[4]; /* (x) packet pacing / user cookie /
* general use */
/* Local and foreign ports, local and foreign addr. */
Modified: head/sys/sys/param.h
==============================================================================
--- head/sys/sys/param.h Thu Jun 23 21:02:05 2016 (r302152)
+++ head/sys/sys/param.h Thu Jun 23 21:07:15 2016 (r302153)
@@ -58,7 +58,7 @@
* in the range 5 to 9.
*/
#undef __FreeBSD_version
-#define __FreeBSD_version 1100119 /* Master, propagated to newvers */
+#define __FreeBSD_version 1100120 /* Master, propagated to newvers */
/*
* __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,
Modified: head/sys/sys/socketvar.h
==============================================================================
--- head/sys/sys/socketvar.h Thu Jun 23 21:02:05 2016 (r302152)
+++ head/sys/sys/socketvar.h Thu Jun 23 21:07:15 2016 (r302153)
@@ -126,6 +126,9 @@ struct socket {
*/
int so_fibnum; /* routing domain for this socket */
uint32_t so_user_cookie;
+
+ void *so_pspare[2]; /* packet pacing / general use */
+ int so_ispare[2]; /* packet pacing / general use */
};
/*
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