svn commit: r287525 - head/sys/netinet6
Adrian Chadd
adrian at FreeBSD.org
Sun Sep 6 20:57:59 UTC 2015
Author: adrian
Date: Sun Sep 6 20:57:57 2015
New Revision: 287525
URL: https://svnweb.freebsd.org/changeset/base/287525
Log:
Add support for receiving flowtype, flowid and RSS bucket information as part of recvmsg().
Submitted by: Tiwei Bie <btw at mail.ustc.edu.cn>
Differential Revision: https://reviews.freebsd.org/D3562
Modified:
head/sys/netinet6/in6.h
head/sys/netinet6/ip6_input.c
head/sys/netinet6/ip6_output.c
Modified: head/sys/netinet6/in6.h
==============================================================================
--- head/sys/netinet6/in6.h Sun Sep 6 20:20:48 2015 (r287524)
+++ head/sys/netinet6/in6.h Sun Sep 6 20:57:57 2015 (r287525)
@@ -485,6 +485,8 @@ struct route_in6 {
#define IPV6_FLOWID 67 /* int; flowid of given socket */
#define IPV6_FLOWTYPE 68 /* int; flowtype of given socket */
#define IPV6_RSSBUCKETID 69 /* int; RSS bucket ID of given socket */
+#define IPV6_RECVFLOWID 70 /* bool; receive IP6 flowid/flowtype w/ datagram */
+#define IPV6_RECVRSSBUCKETID 71 /* bool; receive IP6 RSS bucket id w/ datagram */
/*
* The following option is private; do not use it from user applications.
Modified: head/sys/netinet6/ip6_input.c
==============================================================================
--- head/sys/netinet6/ip6_input.c Sun Sep 6 20:20:48 2015 (r287524)
+++ head/sys/netinet6/ip6_input.c Sun Sep 6 20:57:57 2015 (r287525)
@@ -93,6 +93,7 @@ __FBSDID("$FreeBSD$");
#include <net/if_dl.h>
#include <net/route.h>
#include <net/netisr.h>
+#include <net/rss_config.h>
#include <net/pfil.h>
#include <net/vnet.h>
@@ -1349,6 +1350,44 @@ ip6_savecontrol(struct inpcb *in6p, stru
loopend:
;
}
+
+ if (in6p->inp_flags2 & INP_RECVFLOWID) {
+ uint32_t flowid, flow_type;
+
+ flowid = m->m_pkthdr.flowid;
+ flow_type = M_HASHTYPE_GET(m);
+
+ /*
+ * XXX should handle the failure of one or the
+ * other - don't populate both?
+ */
+ *mp = sbcreatecontrol((caddr_t) &flowid,
+ sizeof(uint32_t), IPV6_FLOWID, IPPROTO_IPV6);
+ if (*mp)
+ mp = &(*mp)->m_next;
+ *mp = sbcreatecontrol((caddr_t) &flow_type,
+ sizeof(uint32_t), IPV6_FLOWTYPE, IPPROTO_IPV6);
+ if (*mp)
+ mp = &(*mp)->m_next;
+ }
+
+#ifdef RSS
+ if (in6p->inp_flags2 & INP_RECVRSSBUCKETID) {
+ uint32_t flowid, flow_type;
+ uint32_t rss_bucketid;
+
+ flowid = m->m_pkthdr.flowid;
+ flow_type = M_HASHTYPE_GET(m);
+
+ if (rss_hash2bucket(flowid, flow_type, &rss_bucketid) == 0) {
+ *mp = sbcreatecontrol((caddr_t) &rss_bucketid,
+ sizeof(uint32_t), IPV6_RSSBUCKETID, IPPROTO_IPV6);
+ if (*mp)
+ mp = &(*mp)->m_next;
+ }
+ }
+#endif
+
}
#undef IS2292
Modified: head/sys/netinet6/ip6_output.c
==============================================================================
--- head/sys/netinet6/ip6_output.c Sun Sep 6 20:20:48 2015 (r287524)
+++ head/sys/netinet6/ip6_output.c Sun Sep 6 20:57:57 2015 (r287525)
@@ -1400,6 +1400,10 @@ ip6_ctloutput(struct socket *so, struct
case IPV6_RECVRTHDR:
case IPV6_RECVPATHMTU:
case IPV6_RECVTCLASS:
+ case IPV6_RECVFLOWID:
+#ifdef RSS
+ case IPV6_RECVRSSBUCKETID:
+#endif
case IPV6_V6ONLY:
case IPV6_AUTOFLOWLABEL:
case IPV6_BINDANY:
@@ -1548,6 +1552,16 @@ do { \
OPTSET(IN6P_MTU);
break;
+ case IPV6_RECVFLOWID:
+ OPTSET2(INP_RECVFLOWID, optval);
+ break;
+
+#ifdef RSS
+ case IPV6_RECVRSSBUCKETID:
+ OPTSET2(INP_RECVRSSBUCKETID, optval);
+ break;
+#endif
+
case IPV6_V6ONLY:
/*
* make setsockopt(IPV6_V6ONLY)
@@ -1811,8 +1825,10 @@ do { \
case IPV6_BINDANY:
case IPV6_FLOWID:
case IPV6_FLOWTYPE:
+ case IPV6_RECVFLOWID:
#ifdef RSS
case IPV6_RSSBUCKETID:
+ case IPV6_RECVRSSBUCKETID:
#endif
switch (optname) {
@@ -1883,6 +1899,10 @@ do { \
case IPV6_FLOWTYPE:
optval = in6p->inp_flowtype;
break;
+
+ case IPV6_RECVFLOWID:
+ optval = OPTBIT2(INP_RECVFLOWID);
+ break;
#ifdef RSS
case IPV6_RSSBUCKETID:
retval =
@@ -1894,6 +1914,10 @@ do { \
else
error = EINVAL;
break;
+
+ case IPV6_RECVRSSBUCKETID:
+ optval = OPTBIT2(INP_RECVRSSBUCKETID);
+ break;
#endif
case IPV6_BINDMULTI:
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