diff options
author | Navdeep Parhar <np@FreeBSD.org> | 2009-06-24 21:56:05 +0000 |
---|---|---|
committer | Navdeep Parhar <np@FreeBSD.org> | 2009-06-24 21:56:05 +0000 |
commit | 2975f787384786acf987d8346e9e4c6d5d8cc0c2 (patch) | |
tree | af3f5384954f4c7de77b7a41c53c3879f550a50e /sys | |
parent | 0ef1e3947f5b602d1cf892cf3370ff774b359b2b (diff) | |
download | src-2975f787384786acf987d8346e9e4c6d5d8cc0c2.tar.gz src-2975f787384786acf987d8346e9e4c6d5d8cc0c2.zip |
Various ifmedia related fixes in cxgb(4), including:
- build ifmedia list based on phy->caps, not string comparisons.
- rebuild media list when a transceiver change is detected.
- return EOPNOTSUPP instead of ENXIO in cxgb_media_status.
Approved by: gnn (mentor)
MFC after: 2 weeks.
Notes
Notes:
svn path=/head/; revision=194921
Diffstat (limited to 'sys')
-rw-r--r-- | sys/dev/cxgb/cxgb_main.c | 227 |
1 files changed, 118 insertions, 109 deletions
diff --git a/sys/dev/cxgb/cxgb_main.c b/sys/dev/cxgb/cxgb_main.c index 0ea04c5c1629..21ce96d6ab04 100644 --- a/sys/dev/cxgb/cxgb_main.c +++ b/sys/dev/cxgb/cxgb_main.c @@ -93,6 +93,7 @@ static int cxgb_uninit_synchronized(struct port_info *); static int cxgb_ioctl(struct ifnet *, unsigned long, caddr_t); static int cxgb_media_change(struct ifnet *); static int cxgb_ifm_type(int); +static void cxgb_build_medialist(struct port_info *); static void cxgb_media_status(struct ifnet *, struct ifmediareq *); static int setup_sge_qsets(adapter_t *); static void cxgb_async_intr(void *); @@ -1021,7 +1022,7 @@ cxgb_port_attach(device_t dev) { struct port_info *p; struct ifnet *ifp; - int err, media_flags; + int err; struct adapter *sc; @@ -1082,53 +1083,12 @@ cxgb_port_attach(device_t dev) printf("makedev failed %d\n", err); return (err); } + + /* Create a list of media supported by this port */ ifmedia_init(&p->media, IFM_IMASK, cxgb_media_change, cxgb_media_status); + cxgb_build_medialist(p); - if (!strcmp(p->phy.desc, "10GBASE-CX4")) { - media_flags = IFM_ETHER | IFM_10G_CX4 | IFM_FDX; - } else if (!strcmp(p->phy.desc, "10GBASE-SR")) { - media_flags = IFM_ETHER | IFM_10G_SR | IFM_FDX; - } else if (!strcmp(p->phy.desc, "10GBASE-R")) { - media_flags = cxgb_ifm_type(p->phy.modtype); - } else if (!strcmp(p->phy.desc, "10/100/1000BASE-T")) { - ifmedia_add(&p->media, IFM_ETHER | IFM_10_T, 0, NULL); - ifmedia_add(&p->media, IFM_ETHER | IFM_10_T | IFM_FDX, - 0, NULL); - ifmedia_add(&p->media, IFM_ETHER | IFM_100_TX, - 0, NULL); - ifmedia_add(&p->media, IFM_ETHER | IFM_100_TX | IFM_FDX, - 0, NULL); - ifmedia_add(&p->media, IFM_ETHER | IFM_1000_T | IFM_FDX, - 0, NULL); - media_flags = 0; - } else if (!strcmp(p->phy.desc, "1000BASE-X")) { - /* - * XXX: This is not very accurate. Fix when common code - * returns more specific value - eg 1000BASE-SX, LX, etc. - * - * XXX: In the meantime, don't lie. Consider setting IFM_AUTO - * instead of SX. - */ - media_flags = IFM_ETHER | IFM_1000_SX | IFM_FDX; - } else { - printf("unsupported media type %s\n", p->phy.desc); - return (ENXIO); - } - if (media_flags) { - /* - * Note the modtype on which we based our flags. If modtype - * changes, we'll redo the ifmedia for this ifp. modtype may - * change when transceivers are plugged in/out, and in other - * situations. - */ - ifmedia_add(&p->media, media_flags, p->phy.modtype, NULL); - ifmedia_set(&p->media, media_flags); - } else { - ifmedia_add(&p->media, IFM_ETHER | IFM_AUTO, 0, NULL); - ifmedia_set(&p->media, IFM_ETHER | IFM_AUTO); - } - t3_sge_init_port(p); return (err); @@ -1304,16 +1264,18 @@ void t3_os_phymod_changed(struct adapter *adap, int port_id) static const char *mod_str[] = { NULL, "SR", "LR", "LRM", "TWINAX", "TWINAX", "unknown" }; - struct port_info *pi = &adap->port[port_id]; + int mod = pi->phy.modtype; - if (pi->phy.modtype == phy_modtype_none) - device_printf(adap->dev, "PHY module unplugged\n"); + if (mod != pi->media.ifm_cur->ifm_data) + cxgb_build_medialist(pi); + + if (mod == phy_modtype_none) + if_printf(pi->ifp, "PHY module unplugged\n"); else { - KASSERT(pi->phy.modtype < ARRAY_SIZE(mod_str), - ("invalid PHY module type %d", pi->phy.modtype)); - device_printf(adap->dev, "%s PHY module inserted\n", - mod_str[pi->phy.modtype]); + KASSERT(mod < ARRAY_SIZE(mod_str), + ("invalid PHY module type %d", mod)); + if_printf(pi->ifp, "%s PHY module inserted\n", mod_str[mod]); } } @@ -2198,48 +2160,102 @@ cxgb_ioctl(struct ifnet *ifp, unsigned long command, caddr_t data) static int cxgb_media_change(struct ifnet *ifp) { - if_printf(ifp, "media change not supported\n"); - return (ENXIO); + return (EOPNOTSUPP); } /* - * Translates from phy->modtype to IFM_TYPE. + * Translates phy->modtype to the correct Ethernet media subtype. */ static int -cxgb_ifm_type(int phymod) +cxgb_ifm_type(int mod) { - int rc = IFM_ETHER | IFM_FDX; - - switch (phymod) { + switch (mod) { case phy_modtype_sr: - rc |= IFM_10G_SR; - break; + return (IFM_10G_SR); case phy_modtype_lr: - rc |= IFM_10G_LR; - break; + return (IFM_10G_LR); case phy_modtype_lrm: -#ifdef IFM_10G_LRM - rc |= IFM_10G_LRM; -#endif - break; + return (IFM_10G_LRM); case phy_modtype_twinax: -#ifdef IFM_10G_TWINAX - rc |= IFM_10G_TWINAX; -#endif - break; + return (IFM_10G_TWINAX); case phy_modtype_twinax_long: -#ifdef IFM_10G_TWINAX_LONG - rc |= IFM_10G_TWINAX_LONG; -#endif - break; + return (IFM_10G_TWINAX_LONG); case phy_modtype_none: - rc = IFM_ETHER | IFM_NONE; - break; + return (IFM_NONE); case phy_modtype_unknown: - break; + return (IFM_UNKNOWN); } - return (rc); + KASSERT(0, ("%s: modtype %d unknown", __func__, mod)); + return (IFM_UNKNOWN); +} + +/* + * Rebuilds the ifmedia list for this port, and sets the current media. + */ +static void +cxgb_build_medialist(struct port_info *p) +{ + struct cphy *phy = &p->phy; + struct ifmedia *media = &p->media; + int mod = phy->modtype; + int m = IFM_ETHER | IFM_FDX; + + PORT_LOCK(p); + + ifmedia_removeall(media); + if (phy->caps & SUPPORTED_TP && phy->caps & SUPPORTED_Autoneg) { + /* Copper (RJ45) */ + + if (phy->caps & SUPPORTED_10000baseT_Full) + ifmedia_add(media, m | IFM_10G_T, mod, NULL); + + if (phy->caps & SUPPORTED_1000baseT_Full) + ifmedia_add(media, m | IFM_1000_T, mod, NULL); + + if (phy->caps & SUPPORTED_100baseT_Full) + ifmedia_add(media, m | IFM_100_TX, mod, NULL); + + if (phy->caps & SUPPORTED_10baseT_Full) + ifmedia_add(media, m | IFM_10_T, mod, NULL); + + ifmedia_add(media, IFM_ETHER | IFM_AUTO, mod, NULL); + ifmedia_set(media, IFM_ETHER | IFM_AUTO); + + } else if (phy->caps & SUPPORTED_TP) { + /* Copper (CX4) */ + + KASSERT(phy->caps & SUPPORTED_10000baseT_Full, + ("%s: unexpected cap 0x%x", __func__, phy->caps)); + + ifmedia_add(media, m | IFM_10G_CX4, mod, NULL); + ifmedia_set(media, m | IFM_10G_CX4); + + } else if (phy->caps & SUPPORTED_FIBRE && + phy->caps & SUPPORTED_10000baseT_Full) { + /* 10G optical (but includes SFP+ twinax) */ + + m |= cxgb_ifm_type(mod); + if (IFM_SUBTYPE(m) == IFM_NONE) + m &= ~IFM_FDX; + + ifmedia_add(media, m, mod, NULL); + ifmedia_set(media, m); + + } else if (phy->caps & SUPPORTED_FIBRE && + phy->caps & SUPPORTED_1000baseT_Full) { + /* 1G optical */ + + /* XXX: Lie and claim to be SX, could actually be any 1G-X */ + ifmedia_add(media, m | IFM_1000_SX, mod, NULL); + ifmedia_set(media, m | IFM_1000_SX); + + } else { + KASSERT(0, ("%s: don't know how to handle 0x%x.", __func__, + phy->caps)); + } + + PORT_UNLOCK(p); } static void @@ -2247,47 +2263,40 @@ cxgb_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) { struct port_info *p = ifp->if_softc; struct ifmedia_entry *cur = p->media.ifm_cur; - int m; - - if (cur->ifm_data != p->phy.modtype) { + int speed = p->link_config.speed; - PORT_LOCK(p); - m = cxgb_ifm_type(p->phy.modtype); - ifmedia_removeall(&p->media); - ifmedia_add(&p->media, m, p->phy.modtype, NULL); - ifmedia_set(&p->media, m); - cur = p->media.ifm_cur; /* ifmedia_set modified ifm_cur */ - ifmr->ifm_current = m; - PORT_UNLOCK(p); + if (cur->ifm_data != p->phy.modtype) { + cxgb_build_medialist(p); + cur = p->media.ifm_cur; } ifmr->ifm_status = IFM_AVALID; - ifmr->ifm_active = IFM_ETHER; - if (!p->link_config.link_ok) return; ifmr->ifm_status |= IFM_ACTIVE; - switch (p->link_config.speed) { - case 10: - ifmr->ifm_active |= IFM_10_T; - break; - case 100: - ifmr->ifm_active |= IFM_100_TX; - break; - case 1000: + /* + * active and current will differ iff current media is autoselect. That + * can happen only for copper RJ45. + */ + if (IFM_SUBTYPE(cur->ifm_media) != IFM_AUTO) + return; + KASSERT(p->phy.caps & SUPPORTED_TP && p->phy.caps & SUPPORTED_Autoneg, + ("%s: unexpected PHY caps 0x%x", __func__, p->phy.caps)); + + ifmr->ifm_active = IFM_ETHER | IFM_FDX; + if (speed == SPEED_10000) + ifmr->ifm_active |= IFM_10G_T; + else if (speed == SPEED_1000) ifmr->ifm_active |= IFM_1000_T; - break; - case 10000: - ifmr->ifm_active |= IFM_SUBTYPE(cur->ifm_media); - break; - } - - if (p->link_config.duplex) - ifmr->ifm_active |= IFM_FDX; + else if (speed == SPEED_100) + ifmr->ifm_active |= IFM_100_TX; + else if (speed == SPEED_10) + ifmr->ifm_active |= IFM_10_T; else - ifmr->ifm_active |= IFM_HDX; + KASSERT(0, ("%s: link up but speed unknown (%u)", __func__, + speed)); } static void |