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The current code only handles FAS errors. Update to look at both fields when accounting Tx errors. Signed-off-by: Bogdan Purcareata Signed-off-by: Ioana Radulescu --- Note: Checkpatch complains about a macro(DPAA2_FAS_RX_ERR_MASK) being too complex. It's just a bitmask with all possible Rx FAS error bits and I'm not sure how the extra parantheses recommended by checkpatch would help, so leaving it as is. drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c | 36 ++++++++++++++++++++------ drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h | 17 ++++++++++-- 2 files changed, 43 insertions(+), 10 deletions(-) diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c index 26f209c78ff9..7dca8c2e5ff9 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c @@ -534,7 +534,7 @@ static void free_tx_fd(const struct dpaa2_eth_priv *priv, * buffer but before we free it. The caller function is responsible * for checking the status value. */ - if (status && (dpaa2_fd_get_frc(fd) & DPAA2_FD_FRC_FASV)) + if (status) *status = le32_to_cpu(fas->status); /* Free SGT buffer kmalloc'ed on tx */ @@ -638,6 +638,8 @@ static void dpaa2_eth_tx_conf(struct dpaa2_eth_priv *priv, struct rtnl_link_stats64 *percpu_stats; struct dpaa2_eth_drv_stats *percpu_extras; u32 status = 0; + u32 fd_errors; + bool has_fas_errors = false; /* Tracing point */ trace_dpaa2_tx_conf_fd(priv->net_dev, fd); @@ -646,13 +648,31 @@ static void dpaa2_eth_tx_conf(struct dpaa2_eth_priv *priv, percpu_extras->tx_conf_frames++; percpu_extras->tx_conf_bytes += dpaa2_fd_get_len(fd); - free_tx_fd(priv, fd, &status); - - if (unlikely(status & DPAA2_ETH_TXCONF_ERR_MASK)) { - percpu_stats = this_cpu_ptr(priv->percpu_stats); - /* Tx-conf logically pertains to the egress path. */ - percpu_stats->tx_errors++; + /* Check frame errors in the FD field */ + fd_errors = dpaa2_fd_get_ctrl(fd) & DPAA2_FD_TX_ERR_MASK; + if (unlikely(fd_errors)) { + /* We only check error bits in the FAS field if corresponding + * FAERR bit is set in FD and the FAS field is marked as valid + */ + has_fas_errors = (fd_errors & DPAA2_FD_CTRL_FAERR) && + !!(dpaa2_fd_get_frc(fd) & DPAA2_FD_FRC_FASV); + if (net_ratelimit()) + netdev_dbg(priv->net_dev, "TX frame FD error: %x08\n", + fd_errors); } + + free_tx_fd(priv, fd, has_fas_errors ? &status : NULL); + + if (likely(!fd_errors)) + return; + + percpu_stats = this_cpu_ptr(priv->percpu_stats); + /* Tx-conf logically pertains to the egress path. */ + percpu_stats->tx_errors++; + + if (has_fas_errors && net_ratelimit()) + netdev_dbg(priv->net_dev, "TX frame FAS error: %x08\n", + status & DPAA2_FAS_TX_ERR_MASK); } static int set_rx_csum(struct dpaa2_eth_priv *priv, bool enable) @@ -2069,7 +2089,7 @@ static int bind_dpni(struct dpaa2_eth_priv *priv) netdev_err(net_dev, "Failed to configure hashing\n"); /* Configure handling of error frames */ - err_cfg.errors = DPAA2_ETH_RX_ERR_MASK; + err_cfg.errors = DPAA2_FAS_RX_ERR_MASK; err_cfg.set_frame_annotation = 1; err_cfg.error_action = DPNI_ERROR_ACTION_DISCARD; err = dpni_set_errors_behavior(priv->mc_io, 0, priv->mc_token, diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h index c760e9b77e22..b492c8723bb6 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h @@ -120,6 +120,19 @@ struct dpaa2_eth_swa { #define DPAA2_FD_FRC_FASWOV 0x0800 #define DPAA2_FD_FRC_FAICFDV 0x0400 +/* Error bits in FD CTRL */ +#define DPAA2_FD_CTRL_UFD 0x00000004 +#define DPAA2_FD_CTRL_SBE 0x00000008 +#define DPAA2_FD_CTRL_FSE 0x00000010 +#define DPAA2_FD_CTRL_FAERR 0x00000020 + +#define DPAA2_FD_RX_ERR_MASK (DPAA2_FD_CTRL_SBE | \ + DPAA2_FD_CTRL_FAERR) +#define DPAA2_FD_TX_ERR_MASK (DPAA2_FD_CTRL_UFD | \ + DPAA2_FD_CTRL_SBE | \ + DPAA2_FD_CTRL_FSE | \ + DPAA2_FD_CTRL_FAERR) + /* Annotation bits in FD CTRL */ #define DPAA2_FD_CTRL_ASAL 0x00020000 /* ASAL = 128 */ #define DPAA2_FD_CTRL_PTA 0x00800000 @@ -177,7 +190,7 @@ struct dpaa2_fas { /* L4 csum error */ #define DPAA2_FAS_L4CE 0x00000001 /* Possible errors on the ingress path */ -#define DPAA2_ETH_RX_ERR_MASK (DPAA2_FAS_KSE | \ +#define DPAA2_FAS_RX_ERR_MASK (DPAA2_FAS_KSE | \ DPAA2_FAS_EOFHE | \ DPAA2_FAS_MNLE | \ DPAA2_FAS_TIDE | \ @@ -191,7 +204,7 @@ struct dpaa2_fas { DPAA2_FAS_L3CE | \ DPAA2_FAS_L4CE) /* Tx errors */ -#define DPAA2_ETH_TXCONF_ERR_MASK (DPAA2_FAS_KSE | \ +#define DPAA2_FAS_TX_ERR_MASK (DPAA2_FAS_KSE | \ DPAA2_FAS_EOFHE | \ DPAA2_FAS_MNLE | \ DPAA2_FAS_TIDE)