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Add support for debugnet in mlx5en(4).

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MFC after:	1 week
Sponsored by:	Mellanox Technologies
This commit is contained in:
Hans Petter Selasky 2020-02-12 10:03:25 +00:00
parent f14d849862
commit 01651e9615
1 changed files with 72 additions and 0 deletions
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72
sys/dev/mlx5/mlx5_en/mlx5_en_main.c
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@ -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_EXT_LINK_SPEEDS_NUMBER][MLX
},
};
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 */
@ -4591,6 +4598,71 @@ mlx5e_destroy_ifp(struct mlx5_core_dev *mdev, void *vpriv)
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)
{