Export channel IRQ number as part of the "hw_ctx_debug" sysctl(8) in mlx5en(4).

MFC after:	3 days
Sponsored by:	Mellanox Technologies
This commit is contained in:
hselasky 2019-10-02 09:27:08 +00:00
parent 5111d166ce
commit 3a8e1da3e2

View File

@ -1,5 +1,5 @@
/*-
* Copyright (c) 2015 Mellanox Technologies. All rights reserved.
* Copyright (c) 2015-2019 Mellanox Technologies. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -1031,30 +1031,49 @@ mlx5e_ethtool_debug_channel_info(SYSCTL_HANDLER_ARGS)
struct mlx5e_sq *sq;
struct mlx5e_rq *rq;
int error, i, tc;
bool opened;
priv = arg1;
error = sysctl_wire_old_buffer(req, 0);
if (error != 0)
return (error);
if (sbuf_new_for_sysctl(&sb, NULL, 128, req) == NULL)
if (sbuf_new_for_sysctl(&sb, NULL, 1024, req) == NULL)
return (ENOMEM);
sbuf_clear_flags(&sb, SBUF_INCLUDENUL);
PRIV_LOCK(priv);
if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0)
goto out;
for (i = 0; i < priv->params.num_channels; i++) {
c = &priv->channel[i];
rq = &c->rq;
sbuf_printf(&sb, "channel %d rq %d cq %d\n",
c->ix, rq->rqn, rq->cq.mcq.cqn);
for (tc = 0; tc < c->num_tc; tc++) {
sq = &c->sq[tc];
sbuf_printf(&sb, "channel %d tc %d sq %d cq %d\n",
c->ix, tc, sq->sqn, sq->cq.mcq.cqn);
opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
sbuf_printf(&sb, "pages irq %d\n",
priv->mdev->priv.msix_arr[MLX5_EQ_VEC_PAGES].vector);
sbuf_printf(&sb, "command irq %d\n",
priv->mdev->priv.msix_arr[MLX5_EQ_VEC_CMD].vector);
sbuf_printf(&sb, "async irq %d\n",
priv->mdev->priv.msix_arr[MLX5_EQ_VEC_ASYNC].vector);
for (i = 0; i != priv->params.num_channels; i++) {
int eqn_not_used = -1;
int irqn = MLX5_EQ_VEC_COMP_BASE;
if (mlx5_vector2eqn(priv->mdev, i, &eqn_not_used, &irqn) != 0)
continue;
c = opened ? &priv->channel[i] : NULL;
rq = opened ? &c->rq : NULL;
sbuf_printf(&sb, "channel %d rq %d cq %d irq %d\n", i,
opened ? rq->rqn : -1,
opened ? rq->cq.mcq.cqn : -1,
priv->mdev->priv.msix_arr[irqn].vector);
for (tc = 0; tc != priv->num_tc; tc++) {
sq = opened ? &c->sq[tc] : NULL;
sbuf_printf(&sb, "channel %d tc %d sq %d cq %d irq %d\n",
i, tc,
opened ? sq->sqn : -1,
opened ? sq->cq.mcq.cqn : -1,
priv->mdev->priv.msix_arr[irqn].vector);
}
}
out:
PRIV_UNLOCK(priv);
error = sbuf_finish(&sb);
sbuf_delete(&sb);