cxgb4: Add ethtool support to get adapter stats
Add ethtool support to get adapter specific hardware statistics Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Shenai
David S. Miller
parent
cf71f43e44
commit
a4cfd929c9
@ -445,10 +445,10 @@ static int c4iw_get_mib(struct ib_device *ibdev,
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cxgb4_get_tcp_stats(c4iw_dev->rdev.lldi.pdev, &v4, &v6);
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memset(stats, 0, sizeof *stats);
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stats->iw.tcpInSegs = v4.tcpInSegs + v6.tcpInSegs;
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stats->iw.tcpOutSegs = v4.tcpOutSegs + v6.tcpOutSegs;
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stats->iw.tcpRetransSegs = v4.tcpRetransSegs + v6.tcpRetransSegs;
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stats->iw.tcpOutRsts = v4.tcpOutRsts + v6.tcpOutSegs;
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stats->iw.tcpInSegs = v4.tcp_in_segs + v6.tcp_in_segs;
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stats->iw.tcpOutSegs = v4.tcp_out_segs + v6.tcp_out_segs;
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stats->iw.tcpRetransSegs = v4.tcp_retrans_segs + v6.tcp_retrans_segs;
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stats->iw.tcpOutRsts = v4.tcp_out_rsts + v6.tcp_out_rsts;
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return 0;
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}
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@ -198,23 +198,34 @@ struct lb_port_stats {
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};
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struct tp_tcp_stats {
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u32 tcpOutRsts;
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u64 tcpInSegs;
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u64 tcpOutSegs;
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u64 tcpRetransSegs;
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u32 tcp_out_rsts;
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u64 tcp_in_segs;
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u64 tcp_out_segs;
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u64 tcp_retrans_segs;
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};
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struct tp_usm_stats {
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u32 frames;
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u32 drops;
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u64 octets;
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};
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struct tp_err_stats {
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u32 macInErrs[4];
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u32 hdrInErrs[4];
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u32 tcpInErrs[4];
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u32 tnlCongDrops[4];
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u32 ofldChanDrops[4];
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u32 tnlTxDrops[4];
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u32 ofldVlanDrops[4];
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u32 tcp6InErrs[4];
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u32 ofldNoNeigh;
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u32 ofldCongDefer;
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u32 mac_in_errs[4];
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u32 hdr_in_errs[4];
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u32 tcp_in_errs[4];
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u32 tnl_cong_drops[4];
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u32 ofld_chan_drops[4];
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u32 tnl_tx_drops[4];
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u32 ofld_vlan_drops[4];
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u32 tcp6_in_errs[4];
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u32 ofld_no_neigh;
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u32 ofld_cong_defer;
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};
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struct tp_rdma_stats {
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u32 rqe_dfr_pkt;
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u32 rqe_dfr_mod;
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};
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struct sge_params {
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@ -446,6 +457,7 @@ struct port_info {
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u8 rss_mode;
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struct link_config link_cfg;
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u16 *rss;
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struct port_stats stats_base;
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#ifdef CONFIG_CHELSIO_T4_DCB
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struct port_dcb_info dcb; /* Data Center Bridging support */
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#endif
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@ -686,6 +698,12 @@ struct l2t_data;
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#endif
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struct doorbell_stats {
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u32 db_drop;
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u32 db_empty;
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u32 db_full;
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};
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struct adapter {
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void __iomem *regs;
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void __iomem *bar2;
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@ -710,6 +728,7 @@ struct adapter {
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char desc[IFNAMSIZ + 10];
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} msix_info[MAX_INGQ + 1];
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struct doorbell_stats db_stats;
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struct sge sge;
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struct net_device *port[MAX_NPORTS];
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@ -864,6 +883,11 @@ enum {
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VLAN_REWRITE
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};
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static inline int is_offload(const struct adapter *adap)
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{
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return adap->params.offload;
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}
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static inline int is_t6(enum chip_type chip)
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{
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return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T6;
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@ -1287,11 +1311,17 @@ int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
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void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
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const char *t4_get_port_type_description(enum fw_port_type port_type);
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void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
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void t4_get_port_stats_offset(struct adapter *adap, int idx,
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struct port_stats *stats,
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struct port_stats *offset);
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void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
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void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
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void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
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unsigned int mask, unsigned int val);
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void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
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void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st);
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void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st);
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void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st);
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void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
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struct tp_tcp_stats *v6);
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void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
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@ -108,15 +108,37 @@ static const char stats_strings[][ETH_GSTRING_LEN] = {
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"VLANinsertions ",
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"GROpackets ",
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"GROmerged ",
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"WriteCoalSuccess ",
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"WriteCoalFail ",
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};
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static char adapter_stats_strings[][ETH_GSTRING_LEN] = {
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"db_drop ",
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"db_full ",
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"db_empty ",
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"tcp_ipv4_out_rsts ",
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"tcp_ipv4_in_segs ",
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"tcp_ipv4_out_segs ",
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"tcp_ipv4_retrans_segs ",
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"tcp_ipv6_out_rsts ",
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"tcp_ipv6_in_segs ",
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"tcp_ipv6_out_segs ",
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"tcp_ipv6_retrans_segs ",
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"usm_ddp_frames ",
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"usm_ddp_octets ",
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"usm_ddp_drops ",
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"rdma_no_rqe_mod_defer ",
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"rdma_no_rqe_pkt_defer ",
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"tp_err_ofld_no_neigh ",
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"tp_err_ofld_cong_defer ",
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"write_coal_success ",
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"write_coal_fail ",
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};
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static int get_sset_count(struct net_device *dev, int sset)
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{
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switch (sset) {
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case ETH_SS_STATS:
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return ARRAY_SIZE(stats_strings);
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return ARRAY_SIZE(stats_strings) +
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ARRAY_SIZE(adapter_stats_strings);
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default:
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return -EOPNOTSUPP;
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}
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@ -168,8 +190,12 @@ static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
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static void get_strings(struct net_device *dev, u32 stringset, u8 *data)
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{
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if (stringset == ETH_SS_STATS)
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if (stringset == ETH_SS_STATS) {
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memcpy(data, stats_strings, sizeof(stats_strings));
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data += sizeof(stats_strings);
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memcpy(data, adapter_stats_strings,
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sizeof(adapter_stats_strings));
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}
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}
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/* port stats maintained per queue of the port. They should be in the same
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@ -185,6 +211,29 @@ struct queue_port_stats {
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u64 gro_merged;
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};
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struct adapter_stats {
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u64 db_drop;
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u64 db_full;
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u64 db_empty;
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u64 tcp_v4_out_rsts;
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u64 tcp_v4_in_segs;
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u64 tcp_v4_out_segs;
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u64 tcp_v4_retrans_segs;
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u64 tcp_v6_out_rsts;
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u64 tcp_v6_in_segs;
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u64 tcp_v6_out_segs;
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u64 tcp_v6_retrans_segs;
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u64 frames;
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u64 octets;
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u64 drops;
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u64 rqe_dfr_mod;
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u64 rqe_dfr_pkt;
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u64 ofld_no_neigh;
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u64 ofld_cong_defer;
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u64 wc_success;
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u64 wc_fail;
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};
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static void collect_sge_port_stats(const struct adapter *adap,
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const struct port_info *p,
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struct queue_port_stats *s)
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@ -205,30 +254,74 @@ static void collect_sge_port_stats(const struct adapter *adap,
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}
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}
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static void collect_adapter_stats(struct adapter *adap, struct adapter_stats *s)
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{
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struct tp_tcp_stats v4, v6;
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struct tp_rdma_stats rdma_stats;
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struct tp_err_stats err_stats;
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struct tp_usm_stats usm_stats;
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u64 val1, val2;
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memset(s, 0, sizeof(*s));
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spin_lock(&adap->stats_lock);
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t4_tp_get_tcp_stats(adap, &v4, &v6);
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t4_tp_get_rdma_stats(adap, &rdma_stats);
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t4_get_usm_stats(adap, &usm_stats);
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t4_tp_get_err_stats(adap, &err_stats);
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spin_unlock(&adap->stats_lock);
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s->db_drop = adap->db_stats.db_drop;
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s->db_full = adap->db_stats.db_full;
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s->db_empty = adap->db_stats.db_empty;
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s->tcp_v4_out_rsts = v4.tcp_out_rsts;
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s->tcp_v4_in_segs = v4.tcp_in_segs;
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s->tcp_v4_out_segs = v4.tcp_out_segs;
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s->tcp_v4_retrans_segs = v4.tcp_retrans_segs;
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s->tcp_v6_out_rsts = v6.tcp_out_rsts;
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s->tcp_v6_in_segs = v6.tcp_in_segs;
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s->tcp_v6_out_segs = v6.tcp_out_segs;
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s->tcp_v6_retrans_segs = v6.tcp_retrans_segs;
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if (is_offload(adap)) {
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s->frames = usm_stats.frames;
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s->octets = usm_stats.octets;
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s->drops = usm_stats.drops;
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s->rqe_dfr_mod = rdma_stats.rqe_dfr_mod;
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s->rqe_dfr_pkt = rdma_stats.rqe_dfr_pkt;
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}
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s->ofld_no_neigh = err_stats.ofld_no_neigh;
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s->ofld_cong_defer = err_stats.ofld_cong_defer;
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if (!is_t4(adap->params.chip)) {
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int v;
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v = t4_read_reg(adap, SGE_STAT_CFG_A);
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if (STATSOURCE_T5_G(v) == 7) {
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val2 = t4_read_reg(adap, SGE_STAT_MATCH_A);
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val1 = t4_read_reg(adap, SGE_STAT_TOTAL_A);
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s->wc_success = val1 - val2;
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s->wc_fail = val2;
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}
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}
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}
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static void get_stats(struct net_device *dev, struct ethtool_stats *stats,
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u64 *data)
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{
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struct port_info *pi = netdev_priv(dev);
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struct adapter *adapter = pi->adapter;
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u32 val1, val2;
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t4_get_port_stats(adapter, pi->tx_chan, (struct port_stats *)data);
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t4_get_port_stats_offset(adapter, pi->tx_chan,
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(struct port_stats *)data,
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&pi->stats_base);
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data += sizeof(struct port_stats) / sizeof(u64);
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collect_sge_port_stats(adapter, pi, (struct queue_port_stats *)data);
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data += sizeof(struct queue_port_stats) / sizeof(u64);
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if (!is_t4(adapter->params.chip)) {
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t4_write_reg(adapter, SGE_STAT_CFG_A, STATSOURCE_T5_V(7));
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val1 = t4_read_reg(adapter, SGE_STAT_TOTAL_A);
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val2 = t4_read_reg(adapter, SGE_STAT_MATCH_A);
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*data = val1 - val2;
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data++;
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*data = val2;
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data++;
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} else {
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memset(data, 0, 2 * sizeof(u64));
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*data += 2;
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}
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collect_adapter_stats(adapter, (struct adapter_stats *)data);
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}
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static void get_regs(struct net_device *dev, struct ethtool_regs *regs,
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@ -1353,11 +1353,6 @@ static u16 cxgb_select_queue(struct net_device *dev, struct sk_buff *skb,
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return fallback(dev, skb) % dev->real_num_tx_queues;
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}
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static inline int is_offload(const struct adapter *adap)
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{
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return adap->params.offload;
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}
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static int closest_timer(const struct sge *s, int time)
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{
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int i, delta, match = 0, min_delta = INT_MAX;
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@ -2889,7 +2884,8 @@ static struct rtnl_link_stats64 *cxgb_get_stats(struct net_device *dev,
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spin_unlock(&adapter->stats_lock);
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return ns;
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}
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t4_get_port_stats(adapter, p->tx_chan, &stats);
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t4_get_port_stats_offset(adapter, p->tx_chan, &stats,
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&p->stats_base);
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spin_unlock(&adapter->stats_lock);
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ns->tx_bytes = stats.tx_octets;
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@ -4680,6 +4676,8 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
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err = -ENOMEM;
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goto out_free_adapter;
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}
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t4_write_reg(adapter, SGE_STAT_CFG_A,
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STATSOURCE_T5_V(7) | STATMODE_V(0));
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}
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setup_memwin(adapter);
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@ -3760,24 +3760,105 @@ void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
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if (v4) {
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t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A, val,
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ARRAY_SIZE(val), TP_MIB_TCP_OUT_RST_A);
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v4->tcpOutRsts = STAT(OUT_RST);
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v4->tcpInSegs = STAT64(IN_SEG);
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v4->tcpOutSegs = STAT64(OUT_SEG);
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v4->tcpRetransSegs = STAT64(RXT_SEG);
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v4->tcp_out_rsts = STAT(OUT_RST);
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v4->tcp_in_segs = STAT64(IN_SEG);
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v4->tcp_out_segs = STAT64(OUT_SEG);
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v4->tcp_retrans_segs = STAT64(RXT_SEG);
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}
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if (v6) {
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t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A, val,
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ARRAY_SIZE(val), TP_MIB_TCP_V6OUT_RST_A);
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v6->tcpOutRsts = STAT(OUT_RST);
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v6->tcpInSegs = STAT64(IN_SEG);
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v6->tcpOutSegs = STAT64(OUT_SEG);
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v6->tcpRetransSegs = STAT64(RXT_SEG);
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v6->tcp_out_rsts = STAT(OUT_RST);
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v6->tcp_in_segs = STAT64(IN_SEG);
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v6->tcp_out_segs = STAT64(OUT_SEG);
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v6->tcp_retrans_segs = STAT64(RXT_SEG);
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}
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#undef STAT64
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#undef STAT
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#undef STAT_IDX
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}
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/**
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* t4_tp_get_err_stats - read TP's error MIB counters
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* @adap: the adapter
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* @st: holds the counter values
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*
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* Returns the values of TP's error counters.
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*/
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void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st)
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{
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/* T6 and later has 2 channels */
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if (adap->params.arch.nchan == NCHAN) {
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t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
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st->mac_in_errs, 12, TP_MIB_MAC_IN_ERR_0_A);
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t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
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st->tnl_cong_drops, 8,
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TP_MIB_TNL_CNG_DROP_0_A);
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t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
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st->tnl_tx_drops, 4,
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TP_MIB_TNL_DROP_0_A);
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t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
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st->ofld_vlan_drops, 4,
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TP_MIB_OFD_VLN_DROP_0_A);
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t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
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st->tcp6_in_errs, 4,
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TP_MIB_TCP_V6IN_ERR_0_A);
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} else {
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t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
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st->mac_in_errs, 2, TP_MIB_MAC_IN_ERR_0_A);
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t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
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st->hdr_in_errs, 2, TP_MIB_HDR_IN_ERR_0_A);
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t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
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st->tcp_in_errs, 2, TP_MIB_TCP_IN_ERR_0_A);
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t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
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st->tnl_cong_drops, 2,
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TP_MIB_TNL_CNG_DROP_0_A);
|
||||
t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
|
||||
st->ofld_chan_drops, 2,
|
||||
TP_MIB_OFD_CHN_DROP_0_A);
|
||||
t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
|
||||
st->tnl_tx_drops, 2, TP_MIB_TNL_DROP_0_A);
|
||||
t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
|
||||
st->ofld_vlan_drops, 2,
|
||||
TP_MIB_OFD_VLN_DROP_0_A);
|
||||
t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
|
||||
st->tcp6_in_errs, 2, TP_MIB_TCP_V6IN_ERR_0_A);
|
||||
}
|
||||
t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A,
|
||||
&st->ofld_no_neigh, 2, TP_MIB_OFD_ARP_DROP_A);
|
||||
}
|
||||
|
||||
/**
|
||||
* t4_tp_get_rdma_stats - read TP's RDMA MIB counters
|
||||
* @adap: the adapter
|
||||
* @st: holds the counter values
|
||||
*
|
||||
* Returns the values of TP's RDMA counters.
|
||||
*/
|
||||
void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st)
|
||||
{
|
||||
t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A, &st->rqe_dfr_pkt,
|
||||
2, TP_MIB_RQE_DFR_PKT_A);
|
||||
}
|
||||
|
||||
/**
|
||||
* t4_get_usm_stats - read TP's non-TCP DDP MIB counters
|
||||
* @adap: the adapter
|
||||
* @st: holds the counter values
|
||||
*
|
||||
* Returns the values of TP's counters for non-TCP directly-placed packets.
|
||||
*/
|
||||
void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st)
|
||||
{
|
||||
u32 val[4];
|
||||
|
||||
t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A, val, 4,
|
||||
TP_MIB_USM_PKTS_A);
|
||||
st->frames = val[0];
|
||||
st->drops = val[1];
|
||||
st->octets = ((u64)val[2] << 32) | val[3];
|
||||
}
|
||||
|
||||
/**
|
||||
* t4_read_mtu_tbl - returns the values in the HW path MTU table
|
||||
* @adap: the adapter
|
||||
@ -4034,6 +4115,28 @@ const char *t4_get_port_type_description(enum fw_port_type port_type)
|
||||
return "UNKNOWN";
|
||||
}
|
||||
|
||||
/**
|
||||
* t4_get_port_stats_offset - collect port stats relative to a previous
|
||||
* snapshot
|
||||
* @adap: The adapter
|
||||
* @idx: The port
|
||||
* @stats: Current stats to fill
|
||||
* @offset: Previous stats snapshot
|
||||
*/
|
||||
void t4_get_port_stats_offset(struct adapter *adap, int idx,
|
||||
struct port_stats *stats,
|
||||
struct port_stats *offset)
|
||||
{
|
||||
u64 *s, *o;
|
||||
int i;
|
||||
|
||||
t4_get_port_stats(adap, idx, stats);
|
||||
for (i = 0, s = (u64 *)stats, o = (u64 *)offset;
|
||||
i < (sizeof(struct port_stats) / sizeof(u64));
|
||||
i++, s++, o++)
|
||||
*s -= *o;
|
||||
}
|
||||
|
||||
/**
|
||||
* t4_get_port_stats - collect port statistics
|
||||
* @adap: the adapter
|
||||
|
||||
@ -462,8 +462,13 @@
|
||||
#define SGE_STAT_MATCH_A 0x10e8
|
||||
#define SGE_STAT_CFG_A 0x10ec
|
||||
|
||||
#define STATMODE_S 2
|
||||
#define STATMODE_V(x) ((x) << STATMODE_S)
|
||||
|
||||
#define STATSOURCE_T5_S 9
|
||||
#define STATSOURCE_T5_M 0xfU
|
||||
#define STATSOURCE_T5_V(x) ((x) << STATSOURCE_T5_S)
|
||||
#define STATSOURCE_T5_G(x) (((x) >> STATSOURCE_T5_S) & STATSOURCE_T5_M)
|
||||
|
||||
#define SGE_DBFIFO_STATUS2_A 0x1118
|
||||
|
||||
@ -1417,6 +1422,8 @@
|
||||
#define CSUM_HAS_PSEUDO_HDR_F CSUM_HAS_PSEUDO_HDR_V(1U)
|
||||
|
||||
#define TP_MIB_MAC_IN_ERR_0_A 0x0
|
||||
#define TP_MIB_HDR_IN_ERR_0_A 0x4
|
||||
#define TP_MIB_TCP_IN_ERR_0_A 0x8
|
||||
#define TP_MIB_TCP_OUT_RST_A 0xc
|
||||
#define TP_MIB_TCP_IN_SEG_HI_A 0x10
|
||||
#define TP_MIB_TCP_IN_SEG_LO_A 0x11
|
||||
@ -1425,11 +1432,14 @@
|
||||
#define TP_MIB_TCP_RXT_SEG_HI_A 0x14
|
||||
#define TP_MIB_TCP_RXT_SEG_LO_A 0x15
|
||||
#define TP_MIB_TNL_CNG_DROP_0_A 0x18
|
||||
#define TP_MIB_OFD_CHN_DROP_0_A 0x1c
|
||||
#define TP_MIB_TCP_V6IN_ERR_0_A 0x28
|
||||
#define TP_MIB_TCP_V6OUT_RST_A 0x2c
|
||||
#define TP_MIB_OFD_ARP_DROP_A 0x36
|
||||
#define TP_MIB_TNL_DROP_0_A 0x44
|
||||
#define TP_MIB_OFD_VLN_DROP_0_A 0x58
|
||||
#define TP_MIB_USM_PKTS_A 0x5c
|
||||
#define TP_MIB_RQE_DFR_PKT_A 0x64
|
||||
|
||||
#define ULP_TX_INT_CAUSE_A 0x8dcc
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user