Author: hselasky Date: Wed Feb 12 10:03:25 2020 New Revision: 357802 URL: https://svnweb.freebsd.org/changeset/base/357802
Log: Add support for debugnet in mlx5en(4). MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Modified: head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c ============================================================================== --- head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Wed Feb 12 09:58:19 2020 (r357801) +++ head/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Wed Feb 12 10:03:25 2020 (r357802) @@ -33,6 +33,8 @@ #include <sys/sockio.h> #include <machine/atomic.h> +#include <net/debugnet.h> + #ifndef ETH_DRIVER_VERSION #define ETH_DRIVER_VERSION "3.5.2" #endif @@ -399,6 +401,8 @@ static const struct media mlx5e_ext_mode_table[MLX5E_E }, }; +DEBUGNET_DEFINE(mlx5_en); + MALLOC_DEFINE(M_MLX5EN, "MLX5EN", "MLX5 Ethernet"); static void @@ -4444,6 +4448,9 @@ mlx5e_create_ifp(struct mlx5_core_dev *mdev) /* Set autoselect by default */ ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO | IFM_FDX | IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE); + + DEBUGNET_SET(ifp, mlx5_en); + ether_ifattach(ifp, dev_addr); /* Register for VLAN events */ @@ -4590,6 +4597,71 @@ mlx5e_destroy_ifp(struct mlx5_core_dev *mdev, void *vp if_free(ifp); free(priv, M_MLX5EN); } + +#ifdef DEBUGNET +static void +mlx5_en_debugnet_init(struct ifnet *dev, int *nrxr, int *ncl, int *clsize) +{ + struct mlx5e_priv *priv = if_getsoftc(dev); + + PRIV_LOCK(priv); + *nrxr = priv->params.num_channels; + *ncl = DEBUGNET_MAX_IN_FLIGHT; + *clsize = MLX5E_MAX_RX_BYTES; + PRIV_UNLOCK(priv); +} + +static void +mlx5_en_debugnet_event(struct ifnet *dev, enum debugnet_ev event) +{ +} + +static int +mlx5_en_debugnet_transmit(struct ifnet *dev, struct mbuf *m) +{ + struct mlx5e_priv *priv = if_getsoftc(dev); + struct mlx5e_sq *sq; + int err; + + if ((if_getdrvflags(dev) & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != + IFF_DRV_RUNNING || (priv->media_status_last & IFM_ACTIVE) == 0) + return (ENOENT); + + sq = &priv->channel[0].sq[0]; + + if (sq->running == 0) { + m_freem(m); + return (ENOENT); + } + + if (mlx5e_sq_xmit(sq, &m) != 0) { + m_freem(m); + err = ENOBUFS; + } else { + err = 0; + } + + if (likely(sq->doorbell.d64 != 0)) { + mlx5e_tx_notify_hw(sq, sq->doorbell.d32, 0); + sq->doorbell.d64 = 0; + } + return (err); +} + +static int +mlx5_en_debugnet_poll(struct ifnet *dev, int count) +{ + struct mlx5e_priv *priv = if_getsoftc(dev); + + if ((if_getdrvflags(dev) & IFF_DRV_RUNNING) == 0 || + (priv->media_status_last & IFM_ACTIVE) == 0) + return (ENOENT); + + mlx5_poll_interrupts(priv->mdev); + + return (0); +} +#endif /* DEBUGNET */ static void * mlx5e_get_ifp(void *vpriv) _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"