u8 rx_cchan;
bool tc_block_shared;
+
+ /* Mirror VI information */
+ u16 viid_mirror;
+ u16 nmirrorqsets;
+ u32 vi_mirror_count;
+ struct mutex vi_mirror_mutex; /* Sync access to Mirror VI info */
};
struct dentry;
u16 ofldqsets; /* # of active ofld queue sets */
u16 nqs_per_uld; /* # of Rx queues per ULD */
u16 eoqsets; /* # of ETHOFLD queues */
+ u16 mirrorqsets; /* # of Mirror queues */
u16 timer_val[SGE_NTIMERS];
u8 counter_val[SGE_NCOUNTERS];
int t4_init_portinfo(struct port_info *pi, int mbox,
int port, int pf, int vf, u8 mac[]);
int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
+int t4_init_port_mirror(struct port_info *pi, u8 mbox, u8 port, u8 pf, u8 vf,
+ u16 *mirror_viid);
void t4_fatal_err(struct adapter *adapter);
unsigned int t4_chip_rss_size(struct adapter *adapter);
int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
int cxgb_close(struct net_device *dev);
void cxgb4_enable_rx(struct adapter *adap, struct sge_rspq *q);
void cxgb4_quiesce_rx(struct sge_rspq *q);
+int cxgb4_port_mirror_alloc(struct net_device *dev);
+void cxgb4_port_mirror_free(struct net_device *dev);
#ifdef CONFIG_CHELSIO_TLS_DEVICE
int cxgb4_set_ktls_feature(struct adapter *adap, bool enable);
#endif
return 0;
}
+int cxgb4_port_mirror_alloc(struct net_device *dev)
+{
+ struct port_info *pi = netdev2pinfo(dev);
+ struct adapter *adap = netdev2adap(dev);
+ int ret = 0;
+
+ if (!pi->nmirrorqsets)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&pi->vi_mirror_mutex);
+ if (pi->viid_mirror) {
+ pi->vi_mirror_count++;
+ goto out_unlock;
+ }
+
+ ret = t4_init_port_mirror(pi, adap->mbox, pi->port_id, adap->pf, 0,
+ &pi->viid_mirror);
+ if (ret)
+ goto out_unlock;
+
+ pi->vi_mirror_count = 1;
+
+out_unlock:
+ mutex_unlock(&pi->vi_mirror_mutex);
+ return ret;
+}
+
+void cxgb4_port_mirror_free(struct net_device *dev)
+{
+ struct port_info *pi = netdev2pinfo(dev);
+ struct adapter *adap = netdev2adap(dev);
+
+ mutex_lock(&pi->vi_mirror_mutex);
+ if (!pi->viid_mirror)
+ goto out_unlock;
+
+ if (pi->vi_mirror_count > 1) {
+ pi->vi_mirror_count--;
+ goto out_unlock;
+ }
+
+ pi->vi_mirror_count = 0;
+ t4_free_vi(adap, adap->mbox, adap->pf, 0, pi->viid_mirror);
+ pi->viid_mirror = 0;
+
+out_unlock:
+ mutex_unlock(&pi->vi_mirror_mutex);
+}
+
/*
* upper-layer driver support
*/
avail_qsets -= s->eoqsets;
}
+ /* Mirror queues must follow same scheme as normal Ethernet
+ * Queues, when there are enough queues available. Otherwise,
+ * allocate at least 1 queue per port. If even 1 queue is not
+ * available, then disable mirror queues support.
+ */
+ if (avail_qsets >= s->max_ethqsets)
+ s->mirrorqsets = s->max_ethqsets;
+ else if (avail_qsets >= adap->params.nports)
+ s->mirrorqsets = adap->params.nports;
+ else
+ s->mirrorqsets = 0;
+ avail_qsets -= s->mirrorqsets;
+
for (i = 0; i < ARRAY_SIZE(s->ethrxq); i++) {
struct sge_eth_rxq *r = &s->ethrxq[i];
static int enable_msix(struct adapter *adap)
{
- u32 eth_need, uld_need = 0, ethofld_need = 0;
- u32 ethqsets = 0, ofldqsets = 0, eoqsets = 0;
+ u32 eth_need, uld_need = 0, ethofld_need = 0, mirror_need = 0;
+ u32 ethqsets = 0, ofldqsets = 0, eoqsets = 0, mirrorqsets = 0;
u8 num_uld = 0, nchan = adap->params.nports;
u32 i, want, need, num_vec;
struct sge *s = &adap->sge;
need += ethofld_need;
}
+ if (s->mirrorqsets) {
+ want += s->mirrorqsets;
+ mirror_need = nchan;
+ need += mirror_need;
+ }
+
want += EXTRA_VECS;
need += EXTRA_VECS;
adap->params.ethofld = 0;
s->ofldqsets = 0;
s->eoqsets = 0;
+ s->mirrorqsets = 0;
uld_need = 0;
ethofld_need = 0;
+ mirror_need = 0;
}
num_vec = allocated;
ofldqsets = nchan;
if (is_ethofld(adap))
eoqsets = ethofld_need;
+ if (s->mirrorqsets)
+ mirrorqsets = mirror_need;
num_vec -= need;
while (num_vec) {
num_vec -= uld_need;
}
}
+
+ if (s->mirrorqsets) {
+ while (num_vec) {
+ if (num_vec < mirror_need ||
+ mirrorqsets > s->mirrorqsets)
+ break;
+
+ mirrorqsets++;
+ num_vec -= mirror_need;
+ }
+ }
} else {
ethqsets = s->max_ethqsets;
if (is_uld(adap))
ofldqsets = s->ofldqsets;
if (is_ethofld(adap))
eoqsets = s->eoqsets;
+ if (s->mirrorqsets)
+ mirrorqsets = s->mirrorqsets;
}
if (ethqsets < s->max_ethqsets) {
if (is_ethofld(adap))
s->eoqsets = eoqsets;
+ if (s->mirrorqsets) {
+ s->mirrorqsets = mirrorqsets;
+ for_each_port(adap, i) {
+ pi = adap2pinfo(adap, i);
+ pi->nmirrorqsets = s->mirrorqsets / nchan;
+ mutex_init(&pi->vi_mirror_mutex);
+ }
+ }
+
/* map for msix */
ret = alloc_msix_info(adap, allocated);
if (ret)
}
dev_info(adap->pdev_dev,
- "%d MSI-X vectors allocated, nic %d eoqsets %d per uld %d\n",
- allocated, s->max_ethqsets, s->eoqsets, s->nqs_per_uld);
+ "%d MSI-X vectors allocated, nic %d eoqsets %d per uld %d mirrorqsets %d\n",
+ allocated, s->max_ethqsets, s->eoqsets, s->nqs_per_uld,
+ s->mirrorqsets);
kfree(entries);
return 0;
case FLOW_ACTION_DROP:
fs->action = FILTER_DROP;
break;
+ case FLOW_ACTION_MIRRED:
case FLOW_ACTION_REDIRECT: {
struct net_device *out = act->dev;
struct port_info *pi = netdev_priv(out);
int cxgb4_validate_flow_actions(struct net_device *dev,
struct flow_action *actions,
- struct netlink_ext_ack *extack)
+ struct netlink_ext_ack *extack,
+ u8 matchall_filter)
{
struct flow_action_entry *act;
bool act_redir = false;
case FLOW_ACTION_DROP:
/* Do nothing */
break;
+ case FLOW_ACTION_MIRRED:
case FLOW_ACTION_REDIRECT: {
struct adapter *adap = netdev2adap(dev);
struct net_device *n_dev, *target_dev;
- unsigned int i;
bool found = false;
+ unsigned int i;
+
+ if (act->id == FLOW_ACTION_MIRRED &&
+ !matchall_filter) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Egress mirror action is only supported for tc-matchall");
+ return -EOPNOTSUPP;
+ }
target_dev = act->dev;
for_each_port(adap, i) {
u8 inet_family;
int fidx, ret;
- if (cxgb4_validate_flow_actions(dev, &rule->action, extack))
+ if (cxgb4_validate_flow_actions(dev, &rule->action, extack, 0))
return -EOPNOTSUPP;
if (cxgb4_validate_flow_match(dev, rule))
struct ch_filter_specification *fs);
int cxgb4_validate_flow_actions(struct net_device *dev,
struct flow_action *actions,
- struct netlink_ext_ack *extack);
+ struct netlink_ext_ack *extack,
+ u8 matchall_filter);
int cxgb4_tc_flower_replace(struct net_device *dev,
struct flow_cls_offload *cls);
tc_port_matchall->egress.state = CXGB4_MATCHALL_STATE_DISABLED;
}
+static int cxgb4_matchall_mirror_alloc(struct net_device *dev,
+ struct tc_cls_matchall_offload *cls)
+{
+ struct netlink_ext_ack *extack = cls->common.extack;
+ struct cxgb4_tc_port_matchall *tc_port_matchall;
+ struct port_info *pi = netdev2pinfo(dev);
+ struct adapter *adap = netdev2adap(dev);
+ struct flow_action_entry *act;
+ int ret;
+ u32 i;
+
+ tc_port_matchall = &adap->tc_matchall->port_matchall[pi->port_id];
+ flow_action_for_each(i, act, &cls->rule->action) {
+ if (act->id == FLOW_ACTION_MIRRED) {
+ ret = cxgb4_port_mirror_alloc(dev);
+ if (ret) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Couldn't allocate mirror");
+ return ret;
+ }
+
+ tc_port_matchall->ingress.viid_mirror = pi->viid_mirror;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static void cxgb4_matchall_mirror_free(struct net_device *dev)
+{
+ struct cxgb4_tc_port_matchall *tc_port_matchall;
+ struct port_info *pi = netdev2pinfo(dev);
+ struct adapter *adap = netdev2adap(dev);
+
+ tc_port_matchall = &adap->tc_matchall->port_matchall[pi->port_id];
+ if (!tc_port_matchall->ingress.viid_mirror)
+ return;
+
+ cxgb4_port_mirror_free(dev);
+ tc_port_matchall->ingress.viid_mirror = 0;
+}
+
static int cxgb4_matchall_alloc_filter(struct net_device *dev,
struct tc_cls_matchall_offload *cls)
{
return -ENOMEM;
}
+ ret = cxgb4_matchall_mirror_alloc(dev, cls);
+ if (ret)
+ return ret;
+
tc_port_matchall = &adap->tc_matchall->port_matchall[pi->port_id];
fs = &tc_port_matchall->ingress.fs;
memset(fs, 0, sizeof(*fs));
ret = cxgb4_set_filter(dev, fidx, fs);
if (ret)
- return ret;
+ goto out_free;
tc_port_matchall->ingress.tid = fidx;
tc_port_matchall->ingress.state = CXGB4_MATCHALL_STATE_ENABLED;
return 0;
+
+out_free:
+ cxgb4_matchall_mirror_free(dev);
+ return ret;
}
static int cxgb4_matchall_free_filter(struct net_device *dev)
if (ret)
return ret;
+ cxgb4_matchall_mirror_free(dev);
+
tc_port_matchall->ingress.packets = 0;
tc_port_matchall->ingress.bytes = 0;
tc_port_matchall->ingress.last_used = 0;
ret = cxgb4_validate_flow_actions(dev,
&cls_matchall->rule->action,
- extack);
+ extack, 1);
if (ret)
return ret;
enum cxgb4_matchall_state state; /* Current MATCHALL offload state */
u32 tid; /* Index to hardware filter entry */
struct ch_filter_specification fs; /* Filter entry */
+ u16 viid_mirror; /* Identifier for allocated Mirror VI */
u64 bytes; /* # of bytes hitting the filter */
u64 packets; /* # of packets hitting the filter */
u64 last_used; /* Last updated jiffies time */
return 0;
}
+int t4_init_port_mirror(struct port_info *pi, u8 mbox, u8 port, u8 pf, u8 vf,
+ u16 *mirror_viid)
+{
+ int ret;
+
+ ret = t4_alloc_vi(pi->adapter, mbox, port, pf, vf, 1, NULL, NULL,
+ NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ if (mirror_viid)
+ *mirror_viid = ret;
+
+ return 0;
+}
+
/**
* t4_read_cimq_cfg - read CIM queue configuration
* @adap: the adapter