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Convert TOE routing lookups to the new routing KPI.

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Reviewed by:	np
Differential Revision:	https://reviews.freebsd.org/D24388
This commit is contained in:
Alexander V. Chernikov 2020-04-22 07:53:43 +00:00
parent 8f6c0a08d8
commit 8d6708ba80
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=360191
5 changed files with 29 additions and 16 deletions
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7
sys/dev/cxgbe/tom/t4_connect.c
View File

@ -49,6 +49,7 @@ __FBSDID("$FreeBSD$");
#include <net/if_types.h>
#include <net/if_vlan_var.h>
#include <net/route.h>
#include <net/route/nhop.h>
#include <netinet/in.h>
#include <netinet/in_pcb.h>
#include <netinet/ip.h>
@ -226,13 +227,13 @@ act_open_cpl_size(struct adapter *sc, int isipv6)
* rtalloc1, RT_UNLOCK on rt.
*/
int
t4_connect(struct toedev *tod, struct socket *so, struct rtentry *rt,
t4_connect(struct toedev *tod, struct socket *so, struct nhop_object *nh,
struct sockaddr *nam)
{
struct adapter *sc = tod->tod_softc;
struct toepcb *toep = NULL;
struct wrqe *wr = NULL;
struct ifnet *rt_ifp = rt->rt_ifp;
struct ifnet *rt_ifp = nh->nh_ifp;
struct vi_info *vi;
int qid_atid, rc, isipv6;
struct inpcb *inp = sotoinpcb(so);
@ -277,7 +278,7 @@ t4_connect(struct toedev *tod, struct socket *so, struct rtentry *rt,
DONT_OFFLOAD_ACTIVE_OPEN(ENOMEM);
toep->l2te = t4_l2t_get(vi->pi, rt_ifp,
rt->rt_flags & RTF_GATEWAY ? rt->rt_gateway : nam);
nh->nh_flags & NHF_GATEWAY ? &nh->gw_sa : nam);
if (toep->l2te == NULL)
DONT_OFFLOAD_ACTIVE_OPEN(ENOMEM);

2
sys/dev/cxgbe/tom/t4_tom.h
View File

@ -370,7 +370,7 @@ int add_tid_to_history(struct adapter *, u_int);
/* t4_connect.c */
void t4_init_connect_cpl_handlers(void);
void t4_uninit_connect_cpl_handlers(void);
int t4_connect(struct toedev *, struct socket *, struct rtentry *,
int t4_connect(struct toedev *, struct socket *, struct nhop_object *,
struct sockaddr *);
void act_open_failure_cleanup(struct adapter *, u_int, u_int);

27
sys/netinet/tcp_offload.c
View File

@ -41,8 +41,11 @@ __FBSDID("$FreeBSD$");
#include <net/if.h>
#include <net/if_var.h>
#include <net/route.h>
#include <net/route/nhop.h>
#include <netinet/in.h>
#include <netinet/in_pcb.h>
#include <netinet/in_fib.h>
#include <netinet6/in6_fib.h>
#include <netinet/tcp.h>
#include <netinet/tcp_offload.h>
#define TCPOUTFLAGS
@ -60,7 +63,8 @@ tcp_offload_connect(struct socket *so, struct sockaddr *nam)
{
struct ifnet *ifp;
struct toedev *tod;
struct rtentry *rt;
struct nhop_object *nh;
struct epoch_tracker et;
int error = EOPNOTSUPP;
INP_WLOCK_ASSERT(sotoinpcb(so));
@ -70,13 +74,20 @@ tcp_offload_connect(struct socket *so, struct sockaddr *nam)
if (registered_toedevs == 0)
return (error);
rt = rtalloc1(nam, 0, 0);
if (rt)
RT_UNLOCK(rt);
else
NET_EPOCH_ENTER(et);
nh = NULL;
if (nam->sa_family == AF_INET)
nh = fib4_lookup(0, ((struct sockaddr_in *)nam)->sin_addr,
NHR_NONE, 0, 0);
else if (nam->sa_family == AF_INET6)
nh = fib6_lookup(0, &((struct sockaddr_in6 *)nam)->sin6_addr,
NHR_NONE, 0, 0);
if (nh == NULL) {
NET_EPOCH_EXIT(et);
return (EHOSTUNREACH);
}
ifp = rt->rt_ifp;
ifp = nh->nh_ifp;
if (nam->sa_family == AF_INET && !(ifp->if_capenable & IFCAP_TOE4))
goto done;
@ -85,9 +96,9 @@ tcp_offload_connect(struct socket *so, struct sockaddr *nam)
tod = TOEDEV(ifp);
if (tod != NULL)
error = tod->tod_connect(tod, so, rt, nam);
error = tod->tod_connect(tod, so, nh, nam);
done:
RTFREE(rt);
NET_EPOCH_EXIT(et);
return (error);
}

4
sys/netinet/toecore.c
View File

@ -77,7 +77,7 @@ static eventhandler_tag lle_event_eh;
static int
toedev_connect(struct toedev *tod __unused, struct socket *so __unused,
struct rtentry *rt __unused, struct sockaddr *nam __unused)
struct nhop_object *nh __unused, struct sockaddr *nam __unused)
{
return (ENOTSUP);
@ -138,7 +138,7 @@ toedev_l2_update(struct toedev *tod __unused, struct ifnet *ifp __unused,
static void
toedev_route_redirect(struct toedev *tod __unused, struct ifnet *ifp __unused,
struct rtentry *rt0 __unused, struct rtentry *rt1 __unused)
struct nhop_object *nh0 __unused, struct nhop_object *nh1 __unused)
{
return;

5
sys/netinet/toecore.h
View File

@ -41,6 +41,7 @@ struct tcpopt;
struct tcphdr;
struct in_conninfo;
struct tcp_info;
struct nhop_object;
struct ktls_session;
struct toedev {
@ -51,7 +52,7 @@ struct toedev {
* Active open. If a failure occurs, it is reported back by the driver
* via toe_connect_failed.
*/
int (*tod_connect)(struct toedev *, struct socket *, struct rtentry *,
int (*tod_connect)(struct toedev *, struct socket *, struct nhop_object *,
struct sockaddr *);
/* Passive open. */
@ -95,7 +96,7 @@ struct toedev {
/* XXX. Route has been redirected. */
void (*tod_route_redirect)(struct toedev *, struct ifnet *,
struct rtentry *, struct rtentry *);
struct nhop_object *, struct nhop_object *);
/* Syncache interaction. */
void (*tod_syncache_added)(struct toedev *, void *);