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cxgbe(4): Clear the freelist statistics in the clearstats ioctl.

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Move all clearstats code into its own function while here.

MFC after:	1 week
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2019-07-09 22:24:22 +00:00
parent edc4cf21a5
commit f8f1b9674e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=349870
1 changed files with 105 additions and 82 deletions
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187
sys/dev/cxgbe/t4_main.c
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@ -694,6 +694,7 @@ static void free_offload_policy(struct t4_offload_policy *);
static int set_offload_policy(struct adapter *, struct t4_offload_policy *);
static int read_card_mem(struct adapter *, int, struct t4_mem_range *);
static int read_i2c(struct adapter *, struct t4_i2c_data *);
static int clear_stats(struct adapter *, u_int);
#ifdef TCP_OFFLOAD
static int toe_capability(struct vi_info *, int);
#endif
@ -9841,6 +9842,108 @@ read_i2c(struct adapter *sc, struct t4_i2c_data *i2cd)
return (rc);
}
static int
clear_stats(struct adapter *sc, u_int port_id)
{
int i, v, bg_map;
struct port_info *pi;
struct vi_info *vi;
struct sge_rxq *rxq;
struct sge_txq *txq;
struct sge_wrq *wrq;
#ifdef TCP_OFFLOAD
struct sge_ofld_rxq *ofld_rxq;
#endif
if (port_id >= sc->params.nports)
return (EINVAL);
pi = sc->port[port_id];
if (pi == NULL)
return (EIO);
/* MAC stats */
t4_clr_port_stats(sc, pi->tx_chan);
pi->tx_parse_error = 0;
pi->tnl_cong_drops = 0;
mtx_lock(&sc->reg_lock);
for_each_vi(pi, v, vi) {
if (vi->flags & VI_INIT_DONE)
t4_clr_vi_stats(sc, vi->vin);
}
bg_map = pi->mps_bg_map;
v = 0; /* reuse */
while (bg_map) {
i = ffs(bg_map) - 1;
t4_write_indirect(sc, A_TP_MIB_INDEX, A_TP_MIB_DATA, &v,
1, A_TP_MIB_TNL_CNG_DROP_0 + i);
bg_map &= ~(1 << i);
}
mtx_unlock(&sc->reg_lock);
/*
* Since this command accepts a port, clear stats for
* all VIs on this port.
*/
for_each_vi(pi, v, vi) {
if (vi->flags & VI_INIT_DONE) {
for_each_rxq(vi, i, rxq) {
#if defined(INET) || defined(INET6)
rxq->lro.lro_queued = 0;
rxq->lro.lro_flushed = 0;
#endif
rxq->rxcsum = 0;
rxq->vlan_extraction = 0;
rxq->fl.mbuf_allocated = 0;
rxq->fl.mbuf_inlined = 0;
rxq->fl.cl_allocated = 0;
rxq->fl.cl_recycled = 0;
rxq->fl.cl_fast_recycled = 0;
}
for_each_txq(vi, i, txq) {
txq->txcsum = 0;
txq->tso_wrs = 0;
txq->vlan_insertion = 0;
txq->imm_wrs = 0;
txq->sgl_wrs = 0;
txq->txpkt_wrs = 0;
txq->txpkts0_wrs = 0;
txq->txpkts1_wrs = 0;
txq->txpkts0_pkts = 0;
txq->txpkts1_pkts = 0;
txq->raw_wrs = 0;
mp_ring_reset_stats(txq->r);
}
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
for_each_ofld_txq(vi, i, wrq) {
wrq->tx_wrs_direct = 0;
wrq->tx_wrs_copied = 0;
}
#endif
#ifdef TCP_OFFLOAD
for_each_ofld_rxq(vi, i, ofld_rxq) {
ofld_rxq->fl.mbuf_allocated = 0;
ofld_rxq->fl.mbuf_inlined = 0;
ofld_rxq->fl.cl_allocated = 0;
ofld_rxq->fl.cl_recycled = 0;
ofld_rxq->fl.cl_fast_recycled = 0;
}
#endif
if (IS_MAIN_VI(vi)) {
wrq = &sc->sge.ctrlq[pi->port_id];
wrq->tx_wrs_direct = 0;
wrq->tx_wrs_copied = 0;
}
}
}
return (0);
}
int
t4_os_find_pci_capability(struct adapter *sc, int cap)
{
@ -10044,89 +10147,9 @@ t4_ioctl(struct cdev *dev, unsigned long cmd, caddr_t data, int fflag,
case CHELSIO_T4_GET_I2C:
rc = read_i2c(sc, (struct t4_i2c_data *)data);
break;
case CHELSIO_T4_CLEAR_STATS: {
int i, v, bg_map;
u_int port_id = *(uint32_t *)data;
struct port_info *pi;
struct vi_info *vi;
if (port_id >= sc->params.nports)
return (EINVAL);
pi = sc->port[port_id];
if (pi == NULL)
return (EIO);
/* MAC stats */
t4_clr_port_stats(sc, pi->tx_chan);
pi->tx_parse_error = 0;
pi->tnl_cong_drops = 0;
mtx_lock(&sc->reg_lock);
for_each_vi(pi, v, vi) {
if (vi->flags & VI_INIT_DONE)
t4_clr_vi_stats(sc, vi->vin);
}
bg_map = pi->mps_bg_map;
v = 0; /* reuse */
while (bg_map) {
i = ffs(bg_map) - 1;
t4_write_indirect(sc, A_TP_MIB_INDEX, A_TP_MIB_DATA, &v,
1, A_TP_MIB_TNL_CNG_DROP_0 + i);
bg_map &= ~(1 << i);
}
mtx_unlock(&sc->reg_lock);
/*
* Since this command accepts a port, clear stats for
* all VIs on this port.
*/
for_each_vi(pi, v, vi) {
if (vi->flags & VI_INIT_DONE) {
struct sge_rxq *rxq;
struct sge_txq *txq;
struct sge_wrq *wrq;
for_each_rxq(vi, i, rxq) {
#if defined(INET) || defined(INET6)
rxq->lro.lro_queued = 0;
rxq->lro.lro_flushed = 0;
#endif
rxq->rxcsum = 0;
rxq->vlan_extraction = 0;
}
for_each_txq(vi, i, txq) {
txq->txcsum = 0;
txq->tso_wrs = 0;
txq->vlan_insertion = 0;
txq->imm_wrs = 0;
txq->sgl_wrs = 0;
txq->txpkt_wrs = 0;
txq->txpkts0_wrs = 0;
txq->txpkts1_wrs = 0;
txq->txpkts0_pkts = 0;
txq->txpkts1_pkts = 0;
txq->raw_wrs = 0;
mp_ring_reset_stats(txq->r);
}
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
/* nothing to clear for each ofld_rxq */
for_each_ofld_txq(vi, i, wrq) {
wrq->tx_wrs_direct = 0;
wrq->tx_wrs_copied = 0;
}
#endif
if (IS_MAIN_VI(vi)) {
wrq = &sc->sge.ctrlq[pi->port_id];
wrq->tx_wrs_direct = 0;
wrq->tx_wrs_copied = 0;
}
}
}
case CHELSIO_T4_CLEAR_STATS:
rc = clear_stats(sc, *(uint32_t *)data);
break;
}
case CHELSIO_T4_SCHED_CLASS:
rc = t4_set_sched_class(sc, (struct t4_sched_params *)data);
break;