Author: slavash Date: Wed Dec 5 13:32:15 2018 New Revision: 341548 URL: https://svnweb.freebsd.org/changeset/base/341548
Log: mlx4en: Add support for netdump. Implement the needed callback functions and support for polling the driver. Differential Revision: https://reviews.freebsd.org/D15259 Approved by: hselasky (mentor) MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/dev/mlx4/driver.h head/sys/dev/mlx4/mlx4_core/mlx4_eq.c head/sys/dev/mlx4/mlx4_en/en.h head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c head/sys/dev/mlx4/mlx4_en/mlx4_en_tx.c Modified: head/sys/dev/mlx4/driver.h ============================================================================== --- head/sys/dev/mlx4/driver.h Wed Dec 5 13:31:45 2018 (r341547) +++ head/sys/dev/mlx4/driver.h Wed Dec 5 13:32:15 2018 (r341548) @@ -101,4 +101,7 @@ static inline u64 mlx4_mac_to_u64(const u8 *addr) return mac; } +void mlx4_disable_interrupts(struct mlx4_dev *); +void mlx4_poll_interrupts(struct mlx4_dev *); + #endif /* MLX4_DRIVER_H */ Modified: head/sys/dev/mlx4/mlx4_core/mlx4_eq.c ============================================================================== --- head/sys/dev/mlx4/mlx4_core/mlx4_eq.c Wed Dec 5 13:31:45 2018 (r341547) +++ head/sys/dev/mlx4/mlx4_core/mlx4_eq.c Wed Dec 5 13:32:15 2018 (r341548) @@ -1535,3 +1535,34 @@ void mlx4_release_eq(struct mlx4_dev *dev, int vec) } EXPORT_SYMBOL(mlx4_release_eq); +void +mlx4_disable_interrupts(struct mlx4_dev *dev) +{ + struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); + int i; + + if (dev->flags & MLX4_FLAG_MSI_X) { + for (i = 0; i < (dev->caps.num_comp_vectors + 1); ++i) + disable_irq(priv->eq_table.eq[i].irq); + } else { + disable_irq(dev->persist->pdev->irq); + } +} +EXPORT_SYMBOL(mlx4_disable_interrupts); + +void +mlx4_poll_interrupts(struct mlx4_dev *dev) +{ + struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); + int i; + + if (dev->flags & MLX4_FLAG_MSI_X) { + for (i = 0; i < (dev->caps.num_comp_vectors + 1); ++i) { + mlx4_msi_x_interrupt(priv->eq_table.eq[i].irq, + priv->eq_table.eq + i); + } + } else { + mlx4_interrupt(dev->persist->pdev->irq, dev); + } +} +EXPORT_SYMBOL(mlx4_poll_interrupts); Modified: head/sys/dev/mlx4/mlx4_en/en.h ============================================================================== --- head/sys/dev/mlx4/mlx4_en/en.h Wed Dec 5 13:31:45 2018 (r341547) +++ head/sys/dev/mlx4/mlx4_en/en.h Wed Dec 5 13:32:15 2018 (r341548) @@ -54,6 +54,7 @@ #include <dev/mlx4/cmd.h> #include <netinet/tcp_lro.h> +#include <netinet/netdump/netdump.h> #include "en_port.h" #include <dev/mlx4/stats.h> @@ -784,6 +785,7 @@ int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct m void mlx4_en_tx_irq(struct mlx4_cq *mcq); u16 mlx4_en_select_queue(struct net_device *dev, struct mbuf *mb); +int mlx4_en_xmit(struct mlx4_en_priv *priv, int tx_ind, struct mbuf **mbp); int mlx4_en_transmit(struct ifnet *dev, struct mbuf *m); int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring **pring, Modified: head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c ============================================================================== --- head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c Wed Dec 5 13:31:45 2018 (r341547) +++ head/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c Wed Dec 5 13:32:15 2018 (r341548) @@ -53,6 +53,8 @@ #include "en.h" #include "en_port.h" +NETDUMP_DEFINE(mlx4_en); + static void mlx4_en_sysctl_stat(struct mlx4_en_priv *priv); static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv); @@ -2311,6 +2313,8 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO, 0, NULL); ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO); + NETDUMP_SET(dev, mlx4_en); + en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num); en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num); @@ -2892,3 +2896,54 @@ static void mlx4_en_sysctl_stat(struct mlx4_en_priv *p CTLFLAG_RD, &rx_ring->errors, 0, "RX soft errors"); } } + +#ifdef NETDUMP +static void +mlx4_en_netdump_init(struct ifnet *dev, int *nrxr, int *ncl, int *clsize) +{ + struct mlx4_en_priv *priv; + + priv = if_getsoftc(dev); + mutex_lock(&priv->mdev->state_lock); + *nrxr = priv->rx_ring_num; + *ncl = NETDUMP_MAX_IN_FLIGHT; + *clsize = priv->rx_mb_size; + mutex_unlock(&priv->mdev->state_lock); +} + +static void +mlx4_en_netdump_event(struct ifnet *dev, enum netdump_ev event) +{ +} + +static int +mlx4_en_netdump_transmit(struct ifnet *dev, struct mbuf *m) +{ + struct mlx4_en_priv *priv; + int err; + + priv = if_getsoftc(dev); + if ((if_getdrvflags(dev) & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != + IFF_DRV_RUNNING || !priv->link_state) + return (ENOENT); + + err = mlx4_en_xmit(priv, 0, &m); + if (err != 0 && m != NULL) + m_freem(m); + return (err); +} + +static int +mlx4_en_netdump_poll(struct ifnet *dev, int count) +{ + struct mlx4_en_priv *priv; + + priv = if_getsoftc(dev); + if ((if_getdrvflags(dev) & IFF_DRV_RUNNING) == 0 || !priv->link_state) + return (ENOENT); + + mlx4_poll_interrupts(priv->mdev->dev); + + return (0); +} +#endif /* NETDUMP */ Modified: head/sys/dev/mlx4/mlx4_en/mlx4_en_tx.c ============================================================================== --- head/sys/dev/mlx4/mlx4_en/mlx4_en_tx.c Wed Dec 5 13:31:45 2018 (r341547) +++ head/sys/dev/mlx4/mlx4_en/mlx4_en_tx.c Wed Dec 5 13:32:15 2018 (r341548) @@ -628,7 +628,7 @@ static void mlx4_bf_copy(void __iomem *dst, volatile u __iowrite64_copy(dst, __DEVOLATILE(void *, src), bytecnt / 8); } -static int mlx4_en_xmit(struct mlx4_en_priv *priv, int tx_ind, struct mbuf **mbp) +int mlx4_en_xmit(struct mlx4_en_priv *priv, int tx_ind, struct mbuf **mbp) { enum { DS_FACT = TXBB_SIZE / DS_SIZE_ALIGNMENT, _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "[email protected]"
