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Differential D39865 Diff 121294 sys/dev/cxgbe/t4_tracer.c

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sys/dev/cxgbe/t4_tracer.c

Show First 20 Lines • Show All 129 Lines • ▼ Show 20 Lines if (strncmp(name, "t4nex", 5) != 0 &&
strncmp(name, "t6nex", 5) != 0) strncmp(name, "t6nex", 5) != 0)
return (0); return (0);
if (name[5] < '0' || name[5] > '9') if (name[5] < '0' || name[5] > '9')
return (0); return (0);
return (1); return (1);
} }
static int static int
t4_cloner_create(struct if_clone *ifc, char *name, size_t len, caddr_t params) t4_cloner_create(struct if_clone *ifc, char *name, size_t len,
struct ifc_data *ifd, struct ifnet **ifpp)
{ {
struct match_rr mrr; struct match_rr mrr;
struct adapter *sc; struct adapter *sc;
if_t ifp; if_t ifp;
int rc, unit; int rc, unit;
const uint8_t lla[ETHER_ADDR_LEN] = {0, 0, 0, 0, 0, 0}; const uint8_t lla[ETHER_ADDR_LEN] = {0, 0, 0, 0, 0, 0};
mrr.name = name; mrr.name = name;
Show All 16 Lines if (sc->ifp != NULL) {
rc = EEXIST; rc = EEXIST;
goto done; goto done;
} }
if (sc->traceq < 0) { if (sc->traceq < 0) {
rc = EAGAIN; rc = EAGAIN;
goto done; goto done;
} }
unit = -1; unit = -1;
rc = ifc_alloc_unit(ifc, &unit); rc = ifc_alloc_unit(ifc, &unit);
if (rc != 0) if (rc != 0)
goto done; goto done;
ifp = if_alloc(IFT_ETHER); ifp = if_alloc(IFT_ETHER);
if (ifp == NULL) { if (ifp == NULL) {
ifc_free_unit(ifc, unit); ifc_free_unit(ifc, unit);
rc = ENOMEM; rc = ENOMEM;
goto done; goto done;
} }
/* Note that if_xname is not <if_dname><if_dunit>. */ /* Note that if_xname is not <if_dname><if_dunit>. */
if_initname(ifp, name, unit); if_initname(ifp, name, ifd->unit);
melifaroAuthorUnsubmitted
Done
Inline Actions
/* Note that if_xname is not <if_dname><if_dunit>. */
+ name[5] = '\0';
if_initname(ifp, name, unit);
if_setdname(ifp, t4_cloner_name);

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if_setdname(ifp, t4_cloner_name); if_setdname(ifp, t4_cloner_name);
if_setinitfn(ifp, tracer_init); if_setinitfn(ifp, tracer_init);
if_setflags(ifp, IFF_SIMPLEX | IFF_DRV_RUNNING); if_setflags(ifp, IFF_SIMPLEX | IFF_DRV_RUNNING);
if_setioctlfn(ifp, tracer_ioctl); if_setioctlfn(ifp, tracer_ioctl);
if_settransmitfn(ifp, tracer_transmit); if_settransmitfn(ifp, tracer_transmit);
if_setqflushfn(ifp, tracer_qflush); if_setqflushfn(ifp, tracer_qflush);
if_setcapabilities(ifp, IFCAP_JUMBO_MTU | IFCAP_VLAN_MTU); if_setcapabilities(ifp, IFCAP_JUMBO_MTU | IFCAP_VLAN_MTU);
ifmedia_init(&sc->media, IFM_IMASK, tracer_media_change, ifmedia_init(&sc->media, IFM_IMASK, tracer_media_change,
tracer_media_status); tracer_media_status);
ifmedia_add(&sc->media, IFM_ETHER | IFM_FDX | IFM_NONE, 0, NULL); ifmedia_add(&sc->media, IFM_ETHER | IFM_FDX | IFM_NONE, 0, NULL);
ifmedia_set(&sc->media, IFM_ETHER | IFM_FDX | IFM_NONE); ifmedia_set(&sc->media, IFM_ETHER | IFM_FDX | IFM_NONE);
ether_ifattach(ifp, lla); ether_ifattach(ifp, lla);
mtx_lock(&sc->ifp_lock); mtx_lock(&sc->ifp_lock);
if_setsoftc(ifp, sc); if_setsoftc(ifp, sc);
sc->ifp = ifp; sc->ifp = ifp;
mtx_unlock(&sc->ifp_lock); mtx_unlock(&sc->ifp_lock);
*ifpp = ifp;
done: done:
sx_xunlock(&t4_trace_lock); sx_xunlock(&t4_trace_lock);
end_synchronized_op(sc, 0); end_synchronized_op(sc, 0);
return (rc); return (rc);
} }
static int static int
t4_cloner_destroy(struct if_clone *ifc, if_t ifp) t4_cloner_destroy(struct if_clone *ifc, if_t ifp, uint32_t flags)
{ {
struct adapter *sc; struct adapter *sc;
int unit = if_getdunit(ifp); int unit = if_getdunit(ifp);
sx_xlock(&t4_trace_lock); sx_xlock(&t4_trace_lock);
sc = if_getsoftc(ifp); sc = if_getsoftc(ifp);
if (sc != NULL) { if (sc != NULL) {
mtx_lock(&sc->ifp_lock); mtx_lock(&sc->ifp_lock);
Show All 10 Linest4_cloner_destroy(struct if_clone *ifc, if_t ifp, uint32_t flags)
return (0); return (0);
} }
void void
t4_tracer_modload(void) t4_tracer_modload(void)
{ {
sx_init(&t4_trace_lock, "T4/T5 tracer lock"); sx_init(&t4_trace_lock, "T4/T5 tracer lock");
t4_cloner = if_clone_advanced(t4_cloner_name, 0, t4_cloner_match, struct if_clone_addreq req = {
t4_cloner_create, t4_cloner_destroy); .match_f = t4_cloner_match,
.create_f = t4_cloner_create,
.destroy_f = t4_cloner_destroy,
};
t4_cloner = ifc_attach_cloner(t4_cloner_name, &req);
} }
void void
t4_tracer_modunload(void) t4_tracer_modunload(void)
{ {
if (t4_cloner != NULL) { if (t4_cloner != NULL) {
/* /*
▲ Show 20 Lines • Show All 286 Lines • Show Last 20 Lines