#include "t4_regs.h"
#include "t4_msg.h"
#include "cxgbe.h"
+#include "clip_tbl.h"
+#include "l2t.h"
+#include "mps_tcam.h"
/**
* Allocate a chunk of memory. The allocated memory is cleared.
const struct cpl_fw6_msg *msg = (const void *)rsp;
t4_handle_fw_rpl(q->adapter, msg->data);
+ } else if (opcode == CPL_ABORT_RPL_RSS) {
+ const struct cpl_abort_rpl_rss *p = (const void *)rsp;
+
+ hash_del_filter_rpl(q->adapter, p);
+ } else if (opcode == CPL_SET_TCB_RPL) {
+ const struct cpl_set_tcb_rpl *p = (const void *)rsp;
+
+ filter_rpl(q->adapter, p);
+ } else if (opcode == CPL_ACT_OPEN_RPL) {
+ const struct cpl_act_open_rpl *p = (const void *)rsp;
+
+ hash_filter_rpl(q->adapter, p);
+ } else if (opcode == CPL_L2T_WRITE_RPL) {
+ const struct cpl_l2t_write_rpl *p = (const void *)rsp;
+
+ do_l2t_write_rpl(q->adapter, p);
} else {
dev_err(adapter, "unexpected CPL %#x on FW event queue\n",
opcode);
return err;
}
+/**
+ * cxgbe_poll_for_completion: Poll rxq for completion
+ * @q: rxq to poll
+ * @us: microseconds to delay
+ * @cnt: number of times to poll
+ * @c: completion to check for 'done' status
+ *
+ * Polls the rxq for reples until completion is done or the count
+ * expires.
+ */
+int cxgbe_poll_for_completion(struct sge_rspq *q, unsigned int us,
+ unsigned int cnt, struct t4_completion *c)
+{
+ unsigned int i;
+ unsigned int work_done, budget = 4;
+
+ if (!c)
+ return -EINVAL;
+
+ for (i = 0; i < cnt; i++) {
+ cxgbe_poll(q, NULL, budget, &work_done);
+ t4_os_lock(&c->lock);
+ if (c->done) {
+ t4_os_unlock(&c->lock);
+ return 0;
+ }
+ t4_os_unlock(&c->lock);
+ udelay(us);
+ }
+ return -ETIMEDOUT;
+}
+
int setup_sge_fwevtq(struct adapter *adapter)
{
struct sge *s = &adapter->sge;
return 0;
}
+/**
+ * Allocate an active-open TID and set it to the supplied value.
+ */
+int cxgbe_alloc_atid(struct tid_info *t, void *data)
+{
+ int atid = -1;
+
+ t4_os_lock(&t->atid_lock);
+ if (t->afree) {
+ union aopen_entry *p = t->afree;
+
+ atid = p - t->atid_tab;
+ t->afree = p->next;
+ p->data = data;
+ t->atids_in_use++;
+ }
+ t4_os_unlock(&t->atid_lock);
+ return atid;
+}
+
+/**
+ * Release an active-open TID.
+ */
+void cxgbe_free_atid(struct tid_info *t, unsigned int atid)
+{
+ union aopen_entry *p = &t->atid_tab[atid];
+
+ t4_os_lock(&t->atid_lock);
+ p->next = t->afree;
+ t->afree = p;
+ t->atids_in_use--;
+ t4_os_unlock(&t->atid_lock);
+}
+
+/**
+ * Populate a TID_RELEASE WR. Caller must properly size the skb.
+ */
+static void mk_tid_release(struct rte_mbuf *mbuf, unsigned int tid)
+{
+ struct cpl_tid_release *req;
+
+ req = rte_pktmbuf_mtod(mbuf, struct cpl_tid_release *);
+ INIT_TP_WR_MIT_CPL(req, CPL_TID_RELEASE, tid);
+}
+
+/**
+ * Release a TID and inform HW. If we are unable to allocate the release
+ * message we defer to a work queue.
+ */
+void cxgbe_remove_tid(struct tid_info *t, unsigned int chan, unsigned int tid,
+ unsigned short family)
+{
+ struct rte_mbuf *mbuf;
+ struct adapter *adap = container_of(t, struct adapter, tids);
+
+ WARN_ON(tid >= t->ntids);
+
+ if (t->tid_tab[tid]) {
+ t->tid_tab[tid] = NULL;
+ rte_atomic32_dec(&t->conns_in_use);
+ if (t->hash_base && tid >= t->hash_base) {
+ if (family == FILTER_TYPE_IPV4)
+ rte_atomic32_dec(&t->hash_tids_in_use);
+ } else {
+ if (family == FILTER_TYPE_IPV4)
+ rte_atomic32_dec(&t->tids_in_use);
+ }
+ }
+
+ mbuf = rte_pktmbuf_alloc((&adap->sge.ctrlq[chan])->mb_pool);
+ if (mbuf) {
+ mbuf->data_len = sizeof(struct cpl_tid_release);
+ mbuf->pkt_len = mbuf->data_len;
+ mk_tid_release(mbuf, tid);
+ t4_mgmt_tx(&adap->sge.ctrlq[chan], mbuf);
+ }
+}
+
+/**
+ * Insert a TID.
+ */
+void cxgbe_insert_tid(struct tid_info *t, void *data, unsigned int tid,
+ unsigned short family)
+{
+ t->tid_tab[tid] = data;
+ if (t->hash_base && tid >= t->hash_base) {
+ if (family == FILTER_TYPE_IPV4)
+ rte_atomic32_inc(&t->hash_tids_in_use);
+ } else {
+ if (family == FILTER_TYPE_IPV4)
+ rte_atomic32_inc(&t->tids_in_use);
+ }
+
+ rte_atomic32_inc(&t->conns_in_use);
+}
+
/**
* Free TID tables.
*/
{
size_t size;
unsigned int ftid_bmap_size;
+ unsigned int natids = t->natids;
unsigned int max_ftids = t->nftids;
ftid_bmap_size = rte_bitmap_get_memory_footprint(t->nftids);
size = t->ntids * sizeof(*t->tid_tab) +
- max_ftids * sizeof(*t->ftid_tab);
+ max_ftids * sizeof(*t->ftid_tab) +
+ natids * sizeof(*t->atid_tab);
t->tid_tab = t4_os_alloc(size);
if (!t->tid_tab)
return -ENOMEM;
- t->ftid_tab = (struct filter_entry *)&t->tid_tab[t->ntids];
+ t->atid_tab = (union aopen_entry *)&t->tid_tab[t->ntids];
+ t->ftid_tab = (struct filter_entry *)&t->tid_tab[t->natids];
t->ftid_bmap_array = t4_os_alloc(ftid_bmap_size);
if (!t->ftid_bmap_array) {
tid_free(t);
return -ENOMEM;
}
+ t4_os_lock_init(&t->atid_lock);
t4_os_lock_init(&t->ftid_lock);
+
+ t->afree = NULL;
+ t->atids_in_use = 0;
+ rte_atomic32_init(&t->tids_in_use);
+ rte_atomic32_set(&t->tids_in_use, 0);
+ rte_atomic32_init(&t->conns_in_use);
+ rte_atomic32_set(&t->conns_in_use, 0);
+
+ /* Setup the free list for atid_tab and clear the stid bitmap. */
+ if (natids) {
+ while (--natids)
+ t->atid_tab[natids - 1].next = &t->atid_tab[natids];
+ t->afree = t->atid_tab;
+ }
+
t->ftid_bmap = rte_bitmap_init(t->nftids, t->ftid_bmap_array,
ftid_bmap_size);
if (!t->ftid_bmap) {
* We default up to # of cores queues per 1G/10G port.
*/
if (nb_ports)
- q_per_port = (MAX_ETH_QSETS -
+ q_per_port = (s->max_ethqsets -
(adap->params.nports - nb_ports)) /
nb_ports;
qidx += pi->n_rx_qsets;
}
- s->max_ethqsets = qidx;
-
for (i = 0; i < ARRAY_SIZE(s->ethrxq); i++) {
struct sge_eth_rxq *r = &s->ethrxq[i];
}
}
+/* Figure out how many Queue Sets we can support */
+void configure_max_ethqsets(struct adapter *adapter)
+{
+ unsigned int ethqsets;
+
+ /*
+ * We need to reserve an Ingress Queue for the Asynchronous Firmware
+ * Event Queue.
+ *
+ * For each Queue Set, we'll need the ability to allocate two Egress
+ * Contexts -- one for the Ingress Queue Free List and one for the TX
+ * Ethernet Queue.
+ */
+ if (is_pf4(adapter)) {
+ struct pf_resources *pfres = &adapter->params.pfres;
+
+ ethqsets = pfres->niqflint - 1;
+ if (pfres->neq < ethqsets * 2)
+ ethqsets = pfres->neq / 2;
+ } else {
+ struct vf_resources *vfres = &adapter->params.vfres;
+
+ ethqsets = vfres->niqflint - 1;
+ if (vfres->nethctrl != ethqsets)
+ ethqsets = min(vfres->nethctrl, ethqsets);
+ if (vfres->neq < ethqsets * 2)
+ ethqsets = vfres->neq / 2;
+ }
+
+ if (ethqsets > MAX_ETH_QSETS)
+ ethqsets = MAX_ETH_QSETS;
+ adapter->sge.max_ethqsets = ethqsets;
+}
+
/*
* Tweak configuration based on system architecture, etc. Most of these have
* defaults assigned to them by Firmware Configuration Files (if we're using
* This will allow the firmware to optimize aspects of the hardware
* configuration which will result in improved performance.
*/
- caps_cmd.niccaps &= cpu_to_be16(~(FW_CAPS_CONFIG_NIC_HASHFILTER |
- FW_CAPS_CONFIG_NIC_ETHOFLD));
+ caps_cmd.niccaps &= cpu_to_be16(~FW_CAPS_CONFIG_NIC_ETHOFLD);
caps_cmd.toecaps = 0;
caps_cmd.iscsicaps = 0;
caps_cmd.rdmacaps = 0;
goto bye;
}
+ /* Now that we've successfully configured and initialized the adapter
+ * (or found it already initialized), we can ask the Firmware what
+ * resources it has provisioned for us.
+ */
+ ret = t4_get_pfres(adap);
+ if (ret) {
+ dev_err(adap->pdev_dev,
+ "Unable to retrieve resource provisioning info\n");
+ goto bye;
+ }
+
/* Find out what ports are available to us. */
v = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_PORTVEC);
V_FW_PARAMS_PARAM_Y(0) | \
V_FW_PARAMS_PARAM_Z(0))
- params[0] = FW_PARAM_PFVF(FILTER_START);
- params[1] = FW_PARAM_PFVF(FILTER_END);
+ params[0] = FW_PARAM_PFVF(L2T_START);
+ params[1] = FW_PARAM_PFVF(L2T_END);
+ params[2] = FW_PARAM_PFVF(FILTER_START);
+ params[3] = FW_PARAM_PFVF(FILTER_END);
+ ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 4, params, val);
+ if (ret < 0)
+ goto bye;
+ adap->l2t_start = val[0];
+ adap->l2t_end = val[1];
+ adap->tids.ftid_base = val[2];
+ adap->tids.nftids = val[3] - val[2] + 1;
+
+ params[0] = FW_PARAM_PFVF(CLIP_START);
+ params[1] = FW_PARAM_PFVF(CLIP_END);
ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2, params, val);
if (ret < 0)
goto bye;
- adap->tids.ftid_base = val[0];
- adap->tids.nftids = val[1] - val[0] + 1;
+ adap->clipt_start = val[0];
+ adap->clipt_end = val[1];
/*
* Get device capabilities so we can determine what resources we need
if (ret < 0)
goto bye;
+ if ((caps_cmd.niccaps & cpu_to_be16(FW_CAPS_CONFIG_NIC_HASHFILTER)) &&
+ is_t6(adap->params.chip)) {
+ if (init_hash_filter(adap) < 0)
+ goto bye;
+ }
+
/* query tid-related parameters */
params[0] = FW_PARAM_DEV(NTID);
ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1,
if (ret < 0)
goto bye;
adap->tids.ntids = val[0];
+ adap->tids.natids = min(adap->tids.ntids / 2, MAX_ATIDS);
/* If we're running on newer firmware, let it know that we're
* prepared to deal with encapsulated CPL messages. Older
t4_init_tp_params(adap);
configure_pcie_ext_tag(adap);
configure_vlan_types(adap);
+ configure_max_ethqsets(adap);
adap->params.drv_memwin = MEMWIN_NIC;
adap->flags |= FW_OK;
ret = t4_set_rxmode(adapter, adapter->mbox, pi->viid, mtu, -1, -1,
-1, 1, true);
if (ret == 0) {
- ret = t4_change_mac(adapter, adapter->mbox, pi->viid,
- pi->xact_addr_filt,
- (u8 *)&pi->eth_dev->data->mac_addrs[0],
- true, true);
+ ret = cxgbe_mpstcam_modify(pi, (int)pi->xact_addr_filt,
+ (u8 *)&pi->eth_dev->data->mac_addrs[0]);
if (ret >= 0) {
pi->xact_addr_filt = ret;
ret = 0;
if (rss_hf & ~CXGBE_RSS_HF_ALL)
return -EINVAL;
- if (rss_hf & ETH_RSS_IPV4)
+ if (rss_hf & CXGBE_RSS_HF_IPV4_MASK)
flags |= F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN;
if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
flags |= F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN |
F_FW_RSS_VI_CONFIG_CMD_UDPEN;
- if (rss_hf & ETH_RSS_IPV6)
+ if (rss_hf & CXGBE_RSS_HF_IPV6_MASK)
flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN;
- if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
- flags |= F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN;
+ if (rss_hf & CXGBE_RSS_HF_TCP_IPV6_MASK)
+ flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN |
+ F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN;
- if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
- flags |= F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN |
+ if (rss_hf & CXGBE_RSS_HF_UDP_IPV6_MASK)
+ flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN |
+ F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN |
F_FW_RSS_VI_CONFIG_CMD_UDPEN;
rxq = &adapter->sge.ethrxq[pi->first_qset];
*speed_caps |= ETH_LINK_SPEED_FIXED;
}
+/**
+ * cxgbe_set_link_status - Set device link up or down.
+ * @pi: Underlying port's info
+ * @status: 0 - down, 1 - up
+ *
+ * Set the device link up or down.
+ */
+int cxgbe_set_link_status(struct port_info *pi, bool status)
+{
+ struct adapter *adapter = pi->adapter;
+ int err = 0;
+
+ err = t4_enable_vi(adapter, adapter->mbox, pi->viid, status, status);
+ if (err) {
+ dev_err(adapter, "%s: disable_vi failed: %d\n", __func__, err);
+ return err;
+ }
+
+ if (!status)
+ t4_reset_link_config(adapter, pi->pidx);
+
+ return 0;
+}
+
/**
* cxgb_up - enable the adapter
* @adap: adapter being enabled
*/
int cxgbe_down(struct port_info *pi)
{
- struct adapter *adapter = pi->adapter;
- int err = 0;
-
- err = t4_enable_vi(adapter, adapter->mbox, pi->viid, false, false);
- if (err) {
- dev_err(adapter, "%s: disable_vi failed: %d\n", __func__, err);
- return err;
- }
-
- t4_reset_link_config(adapter, pi->pidx);
- return 0;
+ return cxgbe_set_link_status(pi, false);
}
/*
int i;
if (adapter->flags & FULL_INIT_DONE) {
+ tid_free(&adapter->tids);
+ t4_cleanup_mpstcam(adapter);
+ t4_cleanup_clip_tbl(adapter);
+ t4_cleanup_l2t(adapter);
if (is_pf4(adapter))
t4_intr_disable(adapter);
- tid_free(&adapter->tids);
t4_sge_tx_monitor_stop(adapter);
t4_free_sge_resources(adapter);
for_each_port(adapter, i) {
t4_os_lock_init(&adapter->mbox_lock);
TAILQ_INIT(&adapter->mbox_list);
+ t4_os_lock_init(&adapter->win0_lock);
err = t4_prep_adapter(adapter);
if (err)
print_adapter_info(adapter);
print_port_info(adapter);
+ adapter->clipt = t4_init_clip_tbl(adapter->clipt_start,
+ adapter->clipt_end);
+ if (!adapter->clipt) {
+ /* We tolerate a lack of clip_table, giving up some
+ * functionality
+ */
+ dev_warn(adapter, "could not allocate CLIP. Continuing\n");
+ }
+
+ adapter->l2t = t4_init_l2t(adapter->l2t_start, adapter->l2t_end);
+ if (!adapter->l2t) {
+ /* We tolerate a lack of L2T, giving up some functionality */
+ dev_warn(adapter, "could not allocate L2T. Continuing\n");
+ }
+
if (tid_init(&adapter->tids) < 0) {
/* Disable filtering support */
dev_warn(adapter, "could not allocate TID table, "
"filter support disabled. Continuing\n");
}
+ adapter->mpstcam = t4_init_mpstcam(adapter);
+ if (!adapter->mpstcam)
+ dev_warn(adapter, "could not allocate mps tcam table."
+ " Continuing\n");
+
+ if (is_hashfilter(adapter)) {
+ if (t4_read_reg(adapter, A_LE_DB_CONFIG) & F_HASHEN) {
+ u32 hash_base, hash_reg;
+
+ hash_reg = A_LE_DB_TID_HASHBASE;
+ hash_base = t4_read_reg(adapter, hash_reg);
+ adapter->tids.hash_base = hash_base / 4;
+ }
+ } else {
+ /* Disable hash filtering support */
+ dev_warn(adapter,
+ "Maskless filter support disabled. Continuing\n");
+ }
+
err = init_rss(adapter);
if (err)
goto out_free;