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net/ice: fix bytes statistics

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This patch fixed the issue that rx/tx bytes overflowed
on 40 bit limitation by enlarging the limitation.

Fixes: a37bde5631 ("net/ice: support statistics")
Cc: stable@dpdk.org

Signed-off-by: Junyu Jiang <junyux.jiang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Junyu Jiang 2020-07-21 07:20:21 +00:00 committed by Ferruh Yigit
parent de06137cb2
commit f0585e8559
2 changed files with 35 additions and 0 deletions
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28
drivers/net/ice/ice_ethdev.c
View File

@ -4252,6 +4252,13 @@ ice_update_vsi_stats(struct ice_vsi *vsi)
ice_stat_update_40(hw, GLV_BPRCH(idx), GLV_BPRCL(idx),
vsi->offset_loaded, &oes->rx_broadcast,
&nes->rx_broadcast);
/* enlarge the limitation when rx_bytes overflowed */
if (vsi->offset_loaded) {
if (ICE_RXTX_BYTES_LOW(vsi->old_rx_bytes) > nes->rx_bytes)
nes->rx_bytes += (uint64_t)1 << ICE_40_BIT_WIDTH;
nes->rx_bytes += ICE_RXTX_BYTES_HIGH(vsi->old_rx_bytes);
}
vsi->old_rx_bytes = nes->rx_bytes;
/* exclude CRC bytes */
nes->rx_bytes -= (nes->rx_unicast + nes->rx_multicast +
nes->rx_broadcast) * RTE_ETHER_CRC_LEN;
@ -4278,6 +4285,13 @@ ice_update_vsi_stats(struct ice_vsi *vsi)
/* GLV_TDPC not supported */
ice_stat_update_32(hw, GLV_TEPC(idx), vsi->offset_loaded,
&oes->tx_errors, &nes->tx_errors);
/* enlarge the limitation when tx_bytes overflowed */
if (vsi->offset_loaded) {
if (ICE_RXTX_BYTES_LOW(vsi->old_tx_bytes) > nes->tx_bytes)
nes->tx_bytes += (uint64_t)1 << ICE_40_BIT_WIDTH;
nes->tx_bytes += ICE_RXTX_BYTES_HIGH(vsi->old_tx_bytes);
}
vsi->old_tx_bytes = nes->tx_bytes;
vsi->offset_loaded = true;
PMD_DRV_LOG(DEBUG, "************** VSI[%u] stats start **************",
@ -4325,6 +4339,13 @@ ice_read_stats_registers(struct ice_pf *pf, struct ice_hw *hw)
ice_stat_update_32(hw, PRTRPB_RDPC,
pf->offset_loaded, &os->eth.rx_discards,
&ns->eth.rx_discards);
/* enlarge the limitation when rx_bytes overflowed */
if (pf->offset_loaded) {
if (ICE_RXTX_BYTES_LOW(pf->old_rx_bytes) > ns->eth.rx_bytes)
ns->eth.rx_bytes += (uint64_t)1 << ICE_40_BIT_WIDTH;
ns->eth.rx_bytes += ICE_RXTX_BYTES_HIGH(pf->old_rx_bytes);
}
pf->old_rx_bytes = ns->eth.rx_bytes;
/* Workaround: CRC size should not be included in byte statistics,
* so subtract RTE_ETHER_CRC_LEN from the byte counter for each rx
@ -4355,6 +4376,13 @@ ice_read_stats_registers(struct ice_pf *pf, struct ice_hw *hw)
GLPRT_BPTCL(hw->port_info->lport),
pf->offset_loaded, &os->eth.tx_broadcast,
&ns->eth.tx_broadcast);
/* enlarge the limitation when tx_bytes overflowed */
if (pf->offset_loaded) {
if (ICE_RXTX_BYTES_LOW(pf->old_tx_bytes) > ns->eth.tx_bytes)
ns->eth.tx_bytes += (uint64_t)1 << ICE_40_BIT_WIDTH;
ns->eth.tx_bytes += ICE_RXTX_BYTES_HIGH(pf->old_tx_bytes);
}
pf->old_tx_bytes = ns->eth.tx_bytes;
ns->eth.tx_bytes -= (ns->eth.tx_unicast + ns->eth.tx_multicast +
ns->eth.tx_broadcast) * RTE_ETHER_CRC_LEN;

7
drivers/net/ice/ice_ethdev.h
View File

@ -133,6 +133,9 @@
#define ICE_ETH_OVERHEAD \
(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + ICE_VLAN_TAG_SIZE * 2)
#define ICE_RXTX_BYTES_HIGH(bytes) ((bytes) & ~ICE_40_BIT_MASK)
#define ICE_RXTX_BYTES_LOW(bytes) ((bytes) & ICE_40_BIT_MASK)
/* DDP package type */
enum ice_pkg_type {
ICE_PKG_TYPE_UNKNOWN,
@ -248,6 +251,8 @@ struct ice_vsi {
struct ice_eth_stats eth_stats_offset;
struct ice_eth_stats eth_stats;
bool offset_loaded;
uint64_t old_rx_bytes;
uint64_t old_tx_bytes;
};
enum proto_xtr_type {
@ -391,6 +396,8 @@ struct ice_pf {
struct ice_parser_list perm_parser_list;
struct ice_parser_list dist_parser_list;
bool init_link_up;
uint64_t old_rx_bytes;
uint64_t old_tx_bytes;
};
#define ICE_MAX_QUEUE_NUM 2048