diff options
| author | adrian <adrian@FreeBSD.org> | 2015-09-06 20:57:57 +0000 |
|---|---|---|
| committer | adrian <adrian@FreeBSD.org> | 2015-09-06 20:57:57 +0000 |
| commit | 43407a0ac4540de08599ff5ed02142882313eb6d (patch) | |
| tree | d13c130b97e30b2e4558a314defd506ac92d1224 /sys/netinet6/ip6_input.c | |
| parent | d8aa14f523ce9801a74f30f1aab4cfa7ca030ab7 (diff) | |
| download | FreeBSD-src-43407a0ac4540de08599ff5ed02142882313eb6d.zip FreeBSD-src-43407a0ac4540de08599ff5ed02142882313eb6d.tar.gz | |
Add support for receiving flowtype, flowid and RSS bucket information as part of recvmsg().
Submitted by: Tiwei Bie <btw@mail.ustc.edu.cn>
Differential Revision: https://reviews.freebsd.org/D3562
Diffstat (limited to 'sys/netinet6/ip6_input.c')
| -rw-r--r-- | sys/netinet6/ip6_input.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sys/netinet6/ip6_input.c b/sys/netinet6/ip6_input.c index 328a296..fc38168 100644 --- a/sys/netinet6/ip6_input.c +++ b/sys/netinet6/ip6_input.c @@ -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, struct mbuf *m, struct mbuf **mp) 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 |
