Date: Fri, 27 Aug 2010 02:29:16 +0000 (UTC) From: Navdeep Parhar <np@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r211857 - stable/7/sys/dev/cxgb Message-ID: <201008270229.o7R2TGoV060456@svn.freebsd.org>
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Author: np Date: Fri Aug 27 02:29:16 2010 New Revision: 211857 URL: http://svn.freebsd.org/changeset/base/211857 Log: MFC r207643, r207687, r208887, r209115 r207643 T3 hardware filters. r207687 Do not hold the T3 firmware in memory all the time. r208887 tunable to control mc5 partition r209115 make format string a string literal Modified: stable/7/sys/dev/cxgb/cxgb_ioctl.h stable/7/sys/dev/cxgb/cxgb_main.c Directory Properties: stable/7/sys/ (props changed) stable/7/sys/cddl/contrib/opensolaris/ (props changed) stable/7/sys/contrib/dev/acpica/ (props changed) stable/7/sys/contrib/pf/ (props changed) Modified: stable/7/sys/dev/cxgb/cxgb_ioctl.h ============================================================================== --- stable/7/sys/dev/cxgb/cxgb_ioctl.h Fri Aug 27 02:14:02 2010 (r211856) +++ stable/7/sys/dev/cxgb/cxgb_ioctl.h Fri Aug 27 02:29:16 2010 (r211857) @@ -59,6 +59,9 @@ enum { CH_CLEAR_STATS, CH_GET_UP_LA, CH_GET_UP_IOQS, + CH_SET_FILTER, + CH_DEL_FILTER, + CH_GET_FILTER, }; /* statistics categories */ @@ -215,6 +218,29 @@ struct ch_up_ioqs { struct t3_ioq_entry *data; }; +struct ch_filter_tuple { + uint32_t sip; + uint32_t dip; + uint16_t sport; + uint16_t dport; + uint16_t vlan:12; + uint16_t vlan_prio:3; +}; + +struct ch_filter { + uint32_t filter_id; + struct ch_filter_tuple val; + struct ch_filter_tuple mask; + uint16_t mac_addr_idx; + uint8_t mac_hit:1; + uint8_t proto:2; + + uint8_t want_filter_id:1; + uint8_t pass:1; + uint8_t rss:1; + uint8_t qset; +}; + #define CHELSIO_SETREG _IOW('f', CH_SETREG, struct ch_reg) #define CHELSIO_GETREG _IOWR('f', CH_GETREG, struct ch_reg) #define CHELSIO_GETMTUTAB _IOR('f', CH_GETMTUTAB, struct ch_mtus) @@ -239,4 +265,7 @@ struct ch_up_ioqs { #define CHELSIO_GET_EEPROM _IOWR('f', CH_GET_EEPROM, struct ch_eeprom) #define CHELSIO_GET_UP_LA _IOWR('f', CH_GET_UP_LA, struct ch_up_la) #define CHELSIO_GET_UP_IOQS _IOWR('f', CH_GET_UP_IOQS, struct ch_up_ioqs) +#define CHELSIO_SET_FILTER _IOW('f', CH_SET_FILTER, struct ch_filter) +#define CHELSIO_DEL_FILTER _IOW('f', CH_DEL_FILTER, struct ch_filter) +#define CHELSIO_GET_FILTER _IOWR('f', CH_GET_FILTER, struct ch_filter) #endif Modified: stable/7/sys/dev/cxgb/cxgb_main.c ============================================================================== --- stable/7/sys/dev/cxgb/cxgb_main.c Fri Aug 27 02:14:02 2010 (r211856) +++ stable/7/sys/dev/cxgb/cxgb_main.c Fri Aug 27 02:29:16 2010 (r211857) @@ -103,6 +103,13 @@ static void cxgb_ext_intr_handler(void * static void cxgb_tick_handler(void *, int); static void cxgb_tick(void *); static void setup_rss(adapter_t *sc); +static int alloc_filters(struct adapter *); +static int setup_hw_filters(struct adapter *); +static int set_filter(struct adapter *, int, const struct filter_info *); +static inline void mk_set_tcb_field(struct cpl_set_tcb_field *, unsigned int, + unsigned int, u64, u64); +static inline void set_tcb_field_ulp(struct cpl_set_tcb_field *, unsigned int, + unsigned int, u64, u64); /* Attachment glue for the PCI controller end of the device. Each port of * the device is attached separately, as defined later. @@ -235,6 +242,10 @@ TUNABLE_INT("hw.cxgb.snd_queue_len", &cx SYSCTL_UINT(_hw_cxgb, OID_AUTO, snd_queue_len, CTLFLAG_RDTUN, &cxgb_snd_queue_len, 0, "send queue size "); +static int nfilters = -1; +TUNABLE_INT("hw.cxgb.nfilters", &nfilters); +SYSCTL_INT(_hw_cxgb, OID_AUTO, nfilters, CTLFLAG_RDTUN, + &nfilters, 0, "max number of entries in the filter table"); enum { MAX_TXQ_ENTRIES = 16384, @@ -1001,7 +1012,7 @@ cxgb_makedev(struct port_info *pi) { pi->port_cdev = make_dev(&cxgb_cdevsw, pi->ifp->if_dunit, - UID_ROOT, GID_WHEEL, 0600, if_name(pi->ifp)); + UID_ROOT, GID_WHEEL, 0600, "%s", if_name(pi->ifp)); if (pi->port_cdev == NULL) return (ENOMEM); @@ -1695,6 +1706,7 @@ static int cxgb_up(struct adapter *sc) { int err = 0; + unsigned int mxf = t3_mc5_size(&sc->mc5) - MC5_MIN_TIDS; KASSERT(sc->open_device_map == 0, ("%s: device(s) already open (%x)", __func__, sc->open_device_map)); @@ -1711,6 +1723,15 @@ cxgb_up(struct adapter *sc) if ((err = update_tpsram(sc))) goto out; + if (is_offload(sc) && nfilters != 0) { + sc->params.mc5.nservers = 0; + + if (nfilters < 0) + sc->params.mc5.nfilters = mxf; + else + sc->params.mc5.nfilters = min(nfilters, mxf); + } + err = t3_init_hw(sc, 0); if (err) goto out; @@ -1722,6 +1743,7 @@ cxgb_up(struct adapter *sc) if (err) goto out; + alloc_filters(sc); setup_rss(sc); t3_intr_clear(sc); @@ -1748,6 +1770,7 @@ cxgb_up(struct adapter *sc) if (!(sc->flags & QUEUES_BOUND)) { bind_qsets(sc); + setup_hw_filters(sc); sc->flags |= QUEUES_BOUND; } @@ -3130,6 +3153,139 @@ cxgb_extension_ioctl(struct cdev *dev, u free(buf, M_DEVBUF); break; } + case CHELSIO_SET_FILTER: { + struct ch_filter *f = (struct ch_filter *)data;; + struct filter_info *p; + unsigned int nfilters = sc->params.mc5.nfilters; + + if (!is_offload(sc)) + return (EOPNOTSUPP); /* No TCAM */ + if (!(sc->flags & FULL_INIT_DONE)) + return (EAGAIN); /* mc5 not setup yet */ + if (nfilters == 0) + return (EBUSY); /* TOE will use TCAM */ + + /* sanity checks */ + if (f->filter_id >= nfilters || + (f->val.dip && f->mask.dip != 0xffffffff) || + (f->val.sport && f->mask.sport != 0xffff) || + (f->val.dport && f->mask.dport != 0xffff) || + (f->val.vlan && f->mask.vlan != 0xfff) || + (f->val.vlan_prio && + f->mask.vlan_prio != FILTER_NO_VLAN_PRI) || + (f->mac_addr_idx != 0xffff && f->mac_addr_idx > 15) || + f->qset >= SGE_QSETS || + sc->rrss_map[f->qset] >= RSS_TABLE_SIZE) + return (EINVAL); + + /* Was allocated with M_WAITOK */ + KASSERT(sc->filters, ("filter table NULL\n")); + + p = &sc->filters[f->filter_id]; + if (p->locked) + return (EPERM); + + bzero(p, sizeof(*p)); + p->sip = f->val.sip; + p->sip_mask = f->mask.sip; + p->dip = f->val.dip; + p->sport = f->val.sport; + p->dport = f->val.dport; + p->vlan = f->mask.vlan ? f->val.vlan : 0xfff; + p->vlan_prio = f->mask.vlan_prio ? (f->val.vlan_prio & 6) : + FILTER_NO_VLAN_PRI; + p->mac_hit = f->mac_hit; + p->mac_vld = f->mac_addr_idx != 0xffff; + p->mac_idx = f->mac_addr_idx; + p->pkt_type = f->proto; + p->report_filter_id = f->want_filter_id; + p->pass = f->pass; + p->rss = f->rss; + p->qset = f->qset; + + error = set_filter(sc, f->filter_id, p); + if (error == 0) + p->valid = 1; + break; + } + case CHELSIO_DEL_FILTER: { + struct ch_filter *f = (struct ch_filter *)data; + struct filter_info *p; + unsigned int nfilters = sc->params.mc5.nfilters; + + if (!is_offload(sc)) + return (EOPNOTSUPP); + if (!(sc->flags & FULL_INIT_DONE)) + return (EAGAIN); + if (nfilters == 0 || sc->filters == NULL) + return (EINVAL); + if (f->filter_id >= nfilters) + return (EINVAL); + + p = &sc->filters[f->filter_id]; + if (p->locked) + return (EPERM); + if (!p->valid) + return (EFAULT); /* Read "Bad address" as "Bad index" */ + + bzero(p, sizeof(*p)); + p->sip = p->sip_mask = 0xffffffff; + p->vlan = 0xfff; + p->vlan_prio = FILTER_NO_VLAN_PRI; + p->pkt_type = 1; + error = set_filter(sc, f->filter_id, p); + break; + } + case CHELSIO_GET_FILTER: { + struct ch_filter *f = (struct ch_filter *)data; + struct filter_info *p; + unsigned int i, nfilters = sc->params.mc5.nfilters; + + if (!is_offload(sc)) + return (EOPNOTSUPP); + if (!(sc->flags & FULL_INIT_DONE)) + return (EAGAIN); + if (nfilters == 0 || sc->filters == NULL) + return (EINVAL); + + i = f->filter_id == 0xffffffff ? 0 : f->filter_id + 1; + for (; i < nfilters; i++) { + p = &sc->filters[i]; + if (!p->valid) + continue; + + bzero(f, sizeof(*f)); + + f->filter_id = i; + f->val.sip = p->sip; + f->mask.sip = p->sip_mask; + f->val.dip = p->dip; + f->mask.dip = p->dip ? 0xffffffff : 0; + f->val.sport = p->sport; + f->mask.sport = p->sport ? 0xffff : 0; + f->val.dport = p->dport; + f->mask.dport = p->dport ? 0xffff : 0; + f->val.vlan = p->vlan == 0xfff ? 0 : p->vlan; + f->mask.vlan = p->vlan == 0xfff ? 0 : 0xfff; + f->val.vlan_prio = p->vlan_prio == FILTER_NO_VLAN_PRI ? + 0 : p->vlan_prio; + f->mask.vlan_prio = p->vlan_prio == FILTER_NO_VLAN_PRI ? + 0 : FILTER_NO_VLAN_PRI; + f->mac_hit = p->mac_hit; + f->mac_addr_idx = p->mac_vld ? p->mac_idx : 0xffff; + f->proto = p->pkt_type; + f->want_filter_id = p->report_filter_id; + f->pass = p->pass; + f->rss = p->rss; + f->qset = p->qset; + + break; + } + + if (i == nfilters) + f->filter_id = 0xffffffff; + break; + } default: return (EOPNOTSUPP); break; @@ -3184,5 +3340,127 @@ cxgb_get_regs(adapter_t *sc, struct ch_i XGM_REG(A_XGM_RX_SPI4_SOP_EOP_CNT, 1)); } +static int +alloc_filters(struct adapter *sc) +{ + struct filter_info *p; + unsigned int nfilters = sc->params.mc5.nfilters; -MODULE_DEPEND(if_cxgb, cxgb_t3fw, 1, 1, 1); + if (nfilters == 0) + return (0); + + p = malloc(sizeof(*p) * nfilters, M_DEVBUF, M_WAITOK | M_ZERO); + sc->filters = p; + + p = &sc->filters[nfilters - 1]; + p->vlan = 0xfff; + p->vlan_prio = FILTER_NO_VLAN_PRI; + p->pass = p->rss = p->valid = p->locked = 1; + + return (0); +} + +static int +setup_hw_filters(struct adapter *sc) +{ + int i, rc; + unsigned int nfilters = sc->params.mc5.nfilters; + + if (!sc->filters) + return (0); + + t3_enable_filters(sc); + + for (i = rc = 0; i < nfilters && !rc; i++) { + if (sc->filters[i].locked) + rc = set_filter(sc, i, &sc->filters[i]); + } + + return (rc); +} + +static int +set_filter(struct adapter *sc, int id, const struct filter_info *f) +{ + int len; + struct mbuf *m; + struct ulp_txpkt *txpkt; + struct work_request_hdr *wr; + struct cpl_pass_open_req *oreq; + struct cpl_set_tcb_field *sreq; + + len = sizeof(*wr) + sizeof(*oreq) + 2 * sizeof(*sreq); + KASSERT(len <= MHLEN, ("filter request too big for an mbuf")); + + id += t3_mc5_size(&sc->mc5) - sc->params.mc5.nroutes - + sc->params.mc5.nfilters; + + m = m_gethdr(M_WAITOK, MT_DATA); + m->m_len = m->m_pkthdr.len = len; + bzero(mtod(m, char *), len); + + wr = mtod(m, struct work_request_hdr *); + wr->wr_hi = htonl(V_WR_OP(FW_WROPCODE_BYPASS) | F_WR_ATOMIC); + + oreq = (struct cpl_pass_open_req *)(wr + 1); + txpkt = (struct ulp_txpkt *)oreq; + txpkt->cmd_dest = htonl(V_ULPTX_CMD(ULP_TXPKT)); + txpkt->len = htonl(V_ULPTX_NFLITS(sizeof(*oreq) / 8)); + OPCODE_TID(oreq) = htonl(MK_OPCODE_TID(CPL_PASS_OPEN_REQ, id)); + oreq->local_port = htons(f->dport); + oreq->peer_port = htons(f->sport); + oreq->local_ip = htonl(f->dip); + oreq->peer_ip = htonl(f->sip); + oreq->peer_netmask = htonl(f->sip_mask); + oreq->opt0h = 0; + oreq->opt0l = htonl(F_NO_OFFLOAD); + oreq->opt1 = htonl(V_MAC_MATCH_VALID(f->mac_vld) | + V_CONN_POLICY(CPL_CONN_POLICY_FILTER) | + V_VLAN_PRI(f->vlan_prio >> 1) | + V_VLAN_PRI_VALID(f->vlan_prio != FILTER_NO_VLAN_PRI) | + V_PKT_TYPE(f->pkt_type) | V_OPT1_VLAN(f->vlan) | + V_MAC_MATCH(f->mac_idx | (f->mac_hit << 4))); + + sreq = (struct cpl_set_tcb_field *)(oreq + 1); + set_tcb_field_ulp(sreq, id, 1, 0x1800808000ULL, + (f->report_filter_id << 15) | (1 << 23) | + ((u64)f->pass << 35) | ((u64)!f->rss << 36)); + set_tcb_field_ulp(sreq + 1, id, 0, 0xffffffff, (2 << 19) | 1); + t3_mgmt_tx(sc, m); + + if (f->pass && !f->rss) { + len = sizeof(*sreq); + m = m_gethdr(M_WAITOK, MT_DATA); + m->m_len = m->m_pkthdr.len = len; + bzero(mtod(m, char *), len); + sreq = mtod(m, struct cpl_set_tcb_field *); + sreq->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD)); + mk_set_tcb_field(sreq, id, 25, 0x3f80000, + (u64)sc->rrss_map[f->qset] << 19); + t3_mgmt_tx(sc, m); + } + return 0; +} + +static inline void +mk_set_tcb_field(struct cpl_set_tcb_field *req, unsigned int tid, + unsigned int word, u64 mask, u64 val) +{ + OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, tid)); + req->reply = V_NO_REPLY(1); + req->cpu_idx = 0; + req->word = htons(word); + req->mask = htobe64(mask); + req->val = htobe64(val); +} + +static inline void +set_tcb_field_ulp(struct cpl_set_tcb_field *req, unsigned int tid, + unsigned int word, u64 mask, u64 val) +{ + struct ulp_txpkt *txpkt = (struct ulp_txpkt *)req; + + txpkt->cmd_dest = htonl(V_ULPTX_CMD(ULP_TXPKT)); + txpkt->len = htonl(V_ULPTX_NFLITS(sizeof(*req) / 8)); + mk_set_tcb_field(req, tid, word, mask, val); +}
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