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osi: mgbe: add handling of tx errors

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handle Tx buffer underflow
handle Tx jabber timeout
handle Tx IP header error
handle Tx Payload checksum error

Bug 200565898

Change-Id: I2de4cd11580251f0387039c1f8f3c39792c1ab65
Signed-off-by: narayanr <narayanr@nvidia.com>
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/kernel/nvethernetrm/+/2596092
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-by: Krishna Thota <kthota@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Bhadram Varka
2021-09-20 17:30:34 +05:30
committed by mobile promotions
parent dbaf1ac0ba
commit a0c20c02f6
3 changed files with 99 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
include/osi_core.h
View File

@@ -1139,6 +1139,20 @@ struct core_padctrl {
unsigned int pad_calibration_enable;
};
/**
* @brief OSI CORE packet error stats
*/
struct osi_core_pkt_err_stats {
/** IP Header Error */
nveu64_t mgbe_ip_header_err;
/** Jabber time out Error */
nveu64_t mgbe_jabber_timeout_err;
/** Payload Checksum Error */
nveu64_t mgbe_payload_cs_err;
/** Under Flow Error */
nveu64_t mgbe_tx_underflow_err;
};
/**
* @brief The OSI Core (MAC & MTL) private data structure.
*/
@@ -1260,6 +1274,8 @@ struct osi_core_priv_data {
struct core_padctrl padctrl;
/** MGBE MAC instance ID's */
nveu32_t instance_id;
/** Packet error stats */
struct osi_core_pkt_err_stats pkt_err_stats;
};
/**

82
osi/core/mgbe_core.c
View File

@@ -2226,6 +2226,7 @@ static void update_rfa_rfd(unsigned int rx_fifo, unsigned int *value)
* 4) Configure Tx and Rx MTL Queue sizes
* 5) Configure TxQ weight
* 6) Enable Rx Queues
* 7) Enable TX Underflow Interrupt for MTL Q
*
* @param[in] qinx: Queue number that need to be configured.
* @param[in] osi_core: OSI core private data.
@@ -2314,6 +2315,13 @@ static nve32_t mgbe_configure_mtl_queue(nveu32_t qinx,
(MGBE_MAC_RXQC0_RXQEN_SHIFT(qinx)));
osi_writela(osi_core, value, (nveu8_t *)osi_core->base +
MGBE_MAC_RQC0R);
/* Enable TX Underflow Interrupt for MTL Q */
value = osi_readl((unsigned char *)osi_core->base +
MGBE_MTL_QINT_ENABLE(qinx));
value |= MGBE_MTL_QINT_TXUIE;
osi_writel(value, (unsigned char *)osi_core->base +
MGBE_MTL_QINT_ENABLE(qinx));
return 0;
}
@@ -2602,8 +2610,9 @@ static int mgbe_configure_mac(struct osi_core_priv_data *osi_core)
/* Read MAC IMR Register */
value = osi_readla(osi_core, (nveu8_t *)osi_core->base + MGBE_MAC_IER);
/* RGSMIIIM - RGMII/SMII interrupt and TSIE Enable */
/* TXESIE - Transmit Error Status Interrupt Enable */
/* TODO: LPI need to be enabled during EEE implementation */
value |= (MGBE_IMR_RGSMIIIE | MGBE_IMR_TSIE);
value |= (MGBE_IMR_RGSMIIIE | MGBE_IMR_TSIE | MGBE_IMR_TXESIE);
osi_writela(osi_core, value, (nveu8_t *)osi_core->base + MGBE_MAC_IER);
/* Enable common interrupt at wrapper level */
@@ -3248,6 +3257,7 @@ static void mgbe_handle_mac_intrs(struct osi_core_priv_data *osi_core,
struct core_local *l_core = (struct core_local *)osi_core;
nveu32_t mac_isr = 0;
nveu32_t mac_ier = 0;
nveu32_t tx_errors = 0;
mac_isr = osi_readla(osi_core,
(unsigned char *)osi_core->base + MGBE_MAC_ISR);
@@ -3263,6 +3273,35 @@ static void mgbe_handle_mac_intrs(struct osi_core_priv_data *osi_core,
mgbe_handle_mac_fpe_intrs(osi_core);
mac_isr &= ~MGBE_MAC_IMR_FPEIS;
}
/* Check for any MAC Transmit Error Status Interrupt */
if ((mac_isr & MGBE_IMR_TXESIE) == MGBE_IMR_TXESIE) {
/* Check for the type of Tx error by reading MAC_Rx_Tx_Status
* register
*/
tx_errors = osi_readl((unsigned char *)osi_core->base +
MGBE_MAC_RX_TX_STS);
if ((tx_errors & MGBE_MAC_TX_TJT) == MGBE_MAC_TX_TJT) {
/* increment Tx Jabber timeout stats */
osi_core->pkt_err_stats.mgbe_jabber_timeout_err =
osi_update_stats_counter(
osi_core->pkt_err_stats.mgbe_jabber_timeout_err,
1UL);
}
if ((tx_errors & MGBE_MAC_TX_IHE) == MGBE_MAC_TX_IHE) {
/* IP Header Error */
osi_core->pkt_err_stats.mgbe_ip_header_err =
osi_update_stats_counter(
osi_core->pkt_err_stats.mgbe_ip_header_err,
1UL);
}
if ((tx_errors & MGBE_MAC_TX_PCE) == MGBE_MAC_TX_PCE) {
/* Payload Checksum error */
osi_core->pkt_err_stats.mgbe_payload_cs_err =
osi_update_stats_counter(
osi_core->pkt_err_stats.mgbe_payload_cs_err,
1UL);
}
}
osi_writela(osi_core, mac_isr,
(unsigned char *)osi_core->base + MGBE_MAC_ISR);
@@ -3610,7 +3649,8 @@ static int mgbe_get_avb_algorithm(struct osi_core_priv_data *const osi_core,
*
* @note MAC should be init and started. see osi_start_mac()
*/
static void mgbe_handle_mtl_intrs(struct osi_core_priv_data *osi_core)
static void mgbe_handle_mtl_intrs(struct osi_core_priv_data *osi_core,
unsigned int mtl_isr)
{
unsigned int val = 0U;
unsigned int sch_err = 0U;
@@ -3619,6 +3659,32 @@ static void mgbe_handle_mtl_intrs(struct osi_core_priv_data *osi_core)
unsigned int i = 0;
unsigned long stat_val = 0U;
unsigned int value = 0U;
unsigned int qstatus = 0U;
unsigned int qinx = 0U;
/* Check for all MTL queues */
for (i = 0; i < osi_core->num_mtl_queues; i++) {
qinx = osi_core->mtl_queues[i];
if (mtl_isr & OSI_BIT(qinx)) {
/* check if Q has underflow error */
qstatus = osi_readl((unsigned char *)osi_core->base +
MGBE_MTL_QINT_STATUS(qinx));
/* Transmit Queue Underflow Interrupt Status */
if (qstatus & MGBE_MTL_QINT_TXUNIFS) {
osi_core->pkt_err_stats.mgbe_tx_underflow_err =
osi_update_stats_counter(
osi_core->pkt_err_stats.mgbe_tx_underflow_err,
1UL);
}
/* Clear interrupt status by writing back with 1 */
osi_writel(1U, (unsigned char *)osi_core->base +
MGBE_MTL_QINT_STATUS(qinx));
}
}
if ((mtl_isr & MGBE_MTL_IS_ESTIS) != MGBE_MTL_IS_ESTIS) {
return;
}
val = osi_readla(osi_core,
(nveu8_t *)osi_core->base + MGBE_MTL_EST_STATUS);
@@ -3725,6 +3791,10 @@ static void mgbe_handle_mtl_intrs(struct osi_core_priv_data *osi_core)
/* clear EST status register as interrupt is handled */
osi_writela(osi_core, val,
(nveu8_t *)osi_core->base + MGBE_MTL_EST_STATUS);
mtl_isr &= ~MGBE_MTL_IS_ESTIS;
osi_writela(osi_core, mtl_isr, (unsigned char *)osi_core->base +
MGBE_MTL_INTR_STATUS);
}
/**
@@ -3908,12 +3978,8 @@ static void mgbe_handle_common_intr(struct osi_core_priv_data *osi_core)
/* Handle MTL inerrupts */
mtl_isr = osi_readla(osi_core,
(unsigned char *)base + MGBE_MTL_INTR_STATUS);
if (((mtl_isr & MGBE_MTL_IS_ESTIS) == MGBE_MTL_IS_ESTIS) &&
((dma_isr & MGBE_DMA_ISR_MTLIS) == MGBE_DMA_ISR_MTLIS)) {
mgbe_handle_mtl_intrs(osi_core);
mtl_isr &= ~MGBE_MTL_IS_ESTIS;
osi_writela(osi_core, mtl_isr, (unsigned char *)base +
MGBE_MTL_INTR_STATUS);
if ((dma_isr & MGBE_DMA_ISR_MTLIS) == MGBE_DMA_ISR_MTLIS) {
mgbe_handle_mtl_intrs(osi_core, mtl_isr);
}
/* Clear common interrupt status in wrapper register */

9
osi/core/mgbe_core.h
View File

@@ -74,6 +74,7 @@
#define MGBE_MAC_RQC2R 0x00A8
#define MGBE_MAC_ISR 0x00B0
#define MGBE_MAC_IER 0x00B4
#define MGBE_MAC_RX_TX_STS 0x00B8
#define MGBE_MAC_PMTCSR 0x00C0
#define MGBE_MAC_LPI_CSR 0x00D0
#define MGBE_MAC_LPI_TIMER_CTRL 0x00D4
@@ -293,6 +294,8 @@
#define MGBE_MTL_TCQ_ETS_LCR(x) ((0x0080U * (x)) + 0x1124U)
#define MGBE_MTL_CHX_RX_OP_MODE(x) ((0x0080U * (x)) + 0x1140U)
#define MGBE_MTL_RXQ_FLOW_CTRL(x) ((0x0080U * (x)) + 0x1150U)
#define MGBE_MTL_QINT_ENABLE(x) ((0x0080U * (x)) + 0x1170U)
#define MGBE_MTL_QINT_STATUS(x) ((0x0080U * (x)) + 0x1174U)
#define MGBE_MTL_TC_PRTY_MAP0 0x1040
#define MGBE_MTL_TC_PRTY_MAP1 0x1044
#define MGBE_MTL_RXP_CS 0x10A0
@@ -409,6 +412,8 @@
#define MGBE_MTL_TXQEN OSI_BIT(3)
#define MGBE_MTL_RSF OSI_BIT(5)
#define MGBE_MTL_TCQ_QW_ISCQW OSI_BIT(4)
#define MGBE_MTL_QINT_TXUNIFS OSI_BIT(0)
#define MGBE_MTL_QINT_TXUIE OSI_BIT(0)
#define MGBE_MAC_RMCR_ACS OSI_BIT(1)
#define MGBE_MAC_RMCR_CST OSI_BIT(2)
#define MGBE_MAC_RMCR_IPC OSI_BIT(9)
@@ -458,6 +463,7 @@
#define MGBE_MAC_RQC4R_PMCBCQ_SHIFT 24U
#define MGBE_IMR_RGSMIIIE OSI_BIT(0)
#define MGBE_IMR_TSIE OSI_BIT(12)
#define MGBE_IMR_TXESIE OSI_BIT(13)
#define MGBE_IMR_FPEIE OSI_BIT(15)
#define MGBE_MAC_IMR_FPEIS OSI_BIT(16)
#define MGBE_ISR_TSIS OSI_BIT(12)
@@ -530,6 +536,9 @@
#define MGBE_MAC_RSS_ADDR_RSSIA_SHIFT 8U
#define MGBE_MAC_RSS_ADDR_OB OSI_BIT(0)
#define MGBE_MAC_RSS_ADDR_CT OSI_BIT(1)
#define MGBE_MAC_TX_TJT OSI_BIT(0)
#define MGBE_MAC_TX_IHE OSI_BIT(12)
#define MGBE_MAC_TX_PCE OSI_BIT(13)
/* DMA SBUS */
#define MGBE_DMA_SBUS_UNDEF OSI_BIT(0)
#define MGBE_DMA_SBUS_BLEN256 OSI_BIT(7)