Differential D21277 Diff 61326 sys/netinet6/ip6_output.c

Changeset View

Standalone View

sys/netinet6/ip6_output.c

Show First 20 Lines • Show All 62 Lines • ▼ Show 20 Lines
*/		*/

#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include "opt_inet.h"		#include "opt_inet.h"
#include "opt_inet6.h"		#include "opt_inet6.h"
#include "opt_ipsec.h"		#include "opt_ipsec.h"
		#include "opt_kern_tls.h"
#include "opt_ratelimit.h"		#include "opt_ratelimit.h"
#include "opt_route.h"		#include "opt_route.h"
#include "opt_rss.h"		#include "opt_rss.h"
#include "opt_sctp.h"		#include "opt_sctp.h"

#include <sys/param.h>		#include <sys/param.h>
#include <sys/kernel.h>		#include <sys/kernel.h>
		#include <sys/ktls.h>
#include <sys/malloc.h>		#include <sys/malloc.h>
#include <sys/mbuf.h>		#include <sys/mbuf.h>
#include <sys/errno.h>		#include <sys/errno.h>
#include <sys/priv.h>		#include <sys/priv.h>
#include <sys/proc.h>		#include <sys/proc.h>
#include <sys/protosw.h>		#include <sys/protosw.h>
#include <sys/socket.h>		#include <sys/socket.h>
#include <sys/socketvar.h>		#include <sys/socketvar.h>
▲ Show 20 Lines • Show All 189 Lines • ▼ Show 20 Lines	ip6_fragment(struct ifnet ifp, struct mbuf m0, int hlen, u_char nextproto,

return (0);		return (0);
}		}

static int		static int
ip6_output_send(struct inpcb inp, struct ifnet ifp, struct ifnet *origifp,		ip6_output_send(struct inpcb inp, struct ifnet ifp, struct ifnet *origifp,
struct mbuf m, struct sockaddr_in6 dst, struct route_in6 *ro)		struct mbuf m, struct sockaddr_in6 dst, struct route_in6 *ro)
{		{
		#ifdef KERN_TLS
		struct ktls_session *tls = NULL;
		#endif
struct m_snd_tag *mst;		struct m_snd_tag *mst;
int error;		int error;

MPASS((m->m_pkthdr.csum_flags & CSUM_SND_TAG) == 0);		MPASS((m->m_pkthdr.csum_flags & CSUM_SND_TAG) == 0);
mst = NULL;		mst = NULL;

		#ifdef KERN_TLS
		/*
		* If this is an unencrypted TLS record, save a reference to
		* the record. This local reference is used to call
		* ktls_output_eagain after the mbuf has been freed (thus
		* dropping the mbuf's reference) in if_output.
		*/
		if (m->m_next != NULL && mbuf_has_tls_session(m->m_next)) {
		tls = ktls_hold(m->m_next->m_ext.ext_pgs->tls);
		mst = tls->snd_tag;

		/*
		* If a TLS session doesn't have a valid tag, it must
		* have had an earlier ifp mismatch, so drop this
		* packet.
		*/
		if (mst == NULL) {
		error = EAGAIN;
		goto done;
		}
		}
		#endif
#ifdef RATELIMIT		#ifdef RATELIMIT
if (inp != NULL) {		if (inp != NULL && mst == NULL) {
if ((inp->inp_flags2 & INP_RATE_LIMIT_CHANGED) != 0 \|\|		if ((inp->inp_flags2 & INP_RATE_LIMIT_CHANGED) != 0 \|\|
(inp->inp_snd_tag != NULL &&		(inp->inp_snd_tag != NULL &&
inp->inp_snd_tag->ifp != ifp))		inp->inp_snd_tag->ifp != ifp))
in_pcboutput_txrtlmt(inp, ifp, m);		in_pcboutput_txrtlmt(inp, ifp, m);

if (inp->inp_snd_tag != NULL)		if (inp->inp_snd_tag != NULL)
mst = inp->inp_snd_tag;		mst = inp->inp_snd_tag;
}		}
Show All 10 Lines	if (mst != NULL) {
m->m_pkthdr.snd_tag = m_snd_tag_ref(mst);		m->m_pkthdr.snd_tag = m_snd_tag_ref(mst);
m->m_pkthdr.csum_flags \|= CSUM_SND_TAG;		m->m_pkthdr.csum_flags \|= CSUM_SND_TAG;
}		}

error = nd6_output_ifp(ifp, origifp, m, dst, (struct route *)ro);		error = nd6_output_ifp(ifp, origifp, m, dst, (struct route *)ro);

done:		done:
/* Check for route change invalidating send tags. */		/* Check for route change invalidating send tags. */
		#ifdef KERN_TLS
		if (tls != NULL) {
		if (error == EAGAIN)
		error = ktls_output_eagain(inp, tls);
		ktls_free(tls);
		}
		#endif
#ifdef RATELIMIT		#ifdef RATELIMIT
if (error == EAGAIN)		if (error == EAGAIN)
in_pcboutput_eagain(inp);		in_pcboutput_eagain(inp);
#endif		#endif
return (error);		return (error);
}		}

/*		/*
▲ Show 20 Lines • Show All 2,880 Lines • Show Last 20 Lines