lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sun, 22 Dec 2019 16:07:22 +0200 From: Denis Bolotin <dbolotin@...vell.com> To: <davem@...emloft.net>, <netdev@...r.kernel.org> CC: Denis Bolotin <dbolotin@...vell.com>, Ariel Elior <aelior@...vell.com> Subject: [PATCH net-next] qede: Implement ndo_tx_timeout Disable carrier and print TX queue info on TX timeout. Signed-off-by: Denis Bolotin <dbolotin@...vell.com> Signed-off-by: Ariel Elior <aelior@...vell.com> --- drivers/net/ethernet/qlogic/qede/qede.h | 1 - drivers/net/ethernet/qlogic/qede/qede_main.c | 32 ++++++++++++++++++++++++++++ 2 files changed, 32 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h index c303a92..6837225 100644 --- a/drivers/net/ethernet/qlogic/qede/qede.h +++ b/drivers/net/ethernet/qlogic/qede/qede.h @@ -519,7 +519,6 @@ u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb, netdev_features_t qede_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features); -void qede_tx_log_print(struct qede_dev *edev, struct qede_fastpath *fp); int qede_alloc_rx_buffer(struct qede_rx_queue *rxq, bool allow_lazy); int qede_free_tx_pkt(struct qede_dev *edev, struct qede_tx_queue *txq, int *len); diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 481b096..b519688 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -527,6 +527,37 @@ static int qede_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) return 0; } +static void qede_tx_log_print(struct qede_dev *edev, struct qede_tx_queue *txq) +{ + DP_NOTICE(edev, + "Txq[%d]: FW cons [host] %04x, SW cons %04x, SW prod %04x [Jiffies %lu]\n", + txq->index, le16_to_cpu(*txq->hw_cons_ptr), + qed_chain_get_cons_idx(&txq->tx_pbl), + qed_chain_get_prod_idx(&txq->tx_pbl), + jiffies); +} + +static void qede_tx_timeout(struct net_device *dev, unsigned int txqueue) +{ + struct qede_dev *edev = netdev_priv(dev); + struct qede_tx_queue *txq; + int cos; + + netif_carrier_off(dev); + DP_NOTICE(edev, "TX timeout on queue %u!\n", txqueue); + + if (!(edev->fp_array[txqueue].type & QEDE_FASTPATH_TX)) + return; + + for_each_cos_in_txq(edev, cos) { + txq = &edev->fp_array[txqueue].txq[cos]; + + if (qed_chain_get_cons_idx(&txq->tx_pbl) != + qed_chain_get_prod_idx(&txq->tx_pbl)) + qede_tx_log_print(edev, txq); + } +} + static int qede_setup_tc(struct net_device *ndev, u8 num_tc) { struct qede_dev *edev = netdev_priv(ndev); @@ -614,6 +645,7 @@ static int qede_setup_tc_block_cb(enum tc_setup_type type, void *type_data, .ndo_validate_addr = eth_validate_addr, .ndo_change_mtu = qede_change_mtu, .ndo_do_ioctl = qede_ioctl, + .ndo_tx_timeout = qede_tx_timeout, #ifdef CONFIG_QED_SRIOV .ndo_set_vf_mac = qede_set_vf_mac, .ndo_set_vf_vlan = qede_set_vf_vlan, -- 1.8.3.1
Powered by blists - more mailing lists