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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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be2net: Add TX completion error statistics in ethtool
HW reports TX completion errors in TX completion. This patch adds these counters to ethtool statistics. Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com> Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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acbd6ff833
commit
512bb8a244
drivers/net/ethernet/emulex/benet
@ -248,6 +248,13 @@ struct be_tx_stats {
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ulong tx_jiffies;
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u32 tx_stops;
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u32 tx_drv_drops; /* pkts dropped by driver */
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/* the error counters are described in be_ethtool.c */
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u32 tx_hdr_parse_err;
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u32 tx_dma_err;
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u32 tx_tso_err;
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u32 tx_spoof_check_err;
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u32 tx_qinq_err;
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u32 tx_internal_parity_err;
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struct u64_stats_sync sync;
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struct u64_stats_sync sync_compl;
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};
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@ -157,6 +157,34 @@ static const struct be_ethtool_stat et_rx_stats[] = {
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*/
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static const struct be_ethtool_stat et_tx_stats[] = {
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{DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
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/* This counter is incremented when the HW encounters an error while
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* parsing the packet header of an outgoing TX request. This counter is
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* applicable only for BE2, BE3 and Skyhawk based adapters.
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*/
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{DRVSTAT_TX_INFO(tx_hdr_parse_err)},
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/* This counter is incremented when an error occurs in the DMA
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* operation associated with the TX request from the host to the device.
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*/
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{DRVSTAT_TX_INFO(tx_dma_err)},
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/* This counter is incremented when MAC or VLAN spoof checking is
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* enabled on the interface and the TX request fails the spoof check
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* in HW.
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*/
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{DRVSTAT_TX_INFO(tx_spoof_check_err)},
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/* This counter is incremented when the HW encounters an error while
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* performing TSO offload. This counter is applicable only for Lancer
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* adapters.
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*/
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{DRVSTAT_TX_INFO(tx_tso_err)},
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/* This counter is incremented when the HW detects Q-in-Q style VLAN
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* tagging in a packet and such tagging is not expected on the outgoing
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* interface. This counter is applicable only for Lancer adapters.
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*/
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{DRVSTAT_TX_INFO(tx_qinq_err)},
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/* This counter is incremented when the HW detects parity errors in the
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* packet data. This counter is applicable only for Lancer adapters.
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*/
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{DRVSTAT_TX_INFO(tx_internal_parity_err)},
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{DRVSTAT_TX_INFO(tx_bytes)},
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{DRVSTAT_TX_INFO(tx_pkts)},
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/* Number of skbs queued for trasmission by the driver */
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@ -315,6 +315,18 @@ struct be_eth_hdr_wrb {
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u32 dw[4];
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};
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/********* Tx Compl Status Encoding *********/
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#define BE_TX_COMP_HDR_PARSE_ERR 0x2
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#define BE_TX_COMP_NDMA_ERR 0x3
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#define BE_TX_COMP_ACL_ERR 0x5
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#define LANCER_TX_COMP_LSO_ERR 0x1
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#define LANCER_TX_COMP_HSW_DROP_MAC_ERR 0x3
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#define LANCER_TX_COMP_HSW_DROP_VLAN_ERR 0x5
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#define LANCER_TX_COMP_QINQ_ERR 0x7
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#define LANCER_TX_COMP_PARITY_ERR 0xb
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#define LANCER_TX_COMP_DMA_ERR 0xd
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/* TX Compl Queue Descriptor */
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/* Pseudo amap definition for eth_tx_compl in which each bit of the
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@ -2421,11 +2421,49 @@ static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi,
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return work_done;
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}
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static inline void be_update_tx_err(struct be_tx_obj *txo, u32 status)
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{
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switch (status) {
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case BE_TX_COMP_HDR_PARSE_ERR:
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tx_stats(txo)->tx_hdr_parse_err++;
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break;
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case BE_TX_COMP_NDMA_ERR:
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tx_stats(txo)->tx_dma_err++;
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break;
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case BE_TX_COMP_ACL_ERR:
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tx_stats(txo)->tx_spoof_check_err++;
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break;
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}
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}
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static inline void lancer_update_tx_err(struct be_tx_obj *txo, u32 status)
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{
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switch (status) {
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case LANCER_TX_COMP_LSO_ERR:
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tx_stats(txo)->tx_tso_err++;
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break;
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case LANCER_TX_COMP_HSW_DROP_MAC_ERR:
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case LANCER_TX_COMP_HSW_DROP_VLAN_ERR:
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tx_stats(txo)->tx_spoof_check_err++;
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break;
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case LANCER_TX_COMP_QINQ_ERR:
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tx_stats(txo)->tx_qinq_err++;
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break;
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case LANCER_TX_COMP_PARITY_ERR:
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tx_stats(txo)->tx_internal_parity_err++;
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break;
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case LANCER_TX_COMP_DMA_ERR:
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tx_stats(txo)->tx_dma_err++;
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break;
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}
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}
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static bool be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo,
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int budget, int idx)
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{
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struct be_eth_tx_compl *txcp;
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int num_wrbs = 0, work_done;
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u32 compl_status;
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for (work_done = 0; work_done < budget; work_done++) {
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txcp = be_tx_compl_get(&txo->cq);
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@ -2434,6 +2472,13 @@ static bool be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo,
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num_wrbs += be_tx_compl_process(adapter, txo,
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GET_TX_COMPL_BITS(wrb_index,
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txcp));
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compl_status = GET_TX_COMPL_BITS(status, txcp);
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if (compl_status) {
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if (lancer_chip(adapter))
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lancer_update_tx_err(txo, compl_status);
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else
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be_update_tx_err(txo, compl_status);
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}
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}
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if (work_done) {
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