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sfc: Add more information to many warnings using WARN() and netdev_WARN()

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In case of certain hardware and firmware errors it can be useful to
have more context than just the file and line number.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings
2013-11-01 16:42:44 +00:00
parent bbbe7149bf
commit 48ce5634a7
1 changed files with 20 additions and 10 deletions
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30
drivers/net/ethernet/sfc/ef10.c
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@@ -1252,7 +1252,8 @@ static void efx_ef10_tx_init(struct efx_tx_queue *tx_queue)
return;
fail:
WARN_ON(true);
netdev_WARN(efx->net_dev, "failed to initialise TXQ %d\n",
tx_queue->queue);
}
static void efx_ef10_tx_fini(struct efx_tx_queue *tx_queue)
@@ -1492,9 +1493,9 @@ static void efx_ef10_rx_init(struct efx_rx_queue *rx_queue)
rc = efx_mcdi_rpc(efx, MC_CMD_INIT_RXQ, inbuf, inlen,
outbuf, sizeof(outbuf), &outlen);
WARN_ON(rc);
return;
if (rc)
netdev_WARN(efx->net_dev, "failed to initialise RXQ %d\n",
efx_rx_queue_index(rx_queue));
}
static void efx_ef10_rx_fini(struct efx_rx_queue *rx_queue)
@@ -1718,8 +1719,6 @@ static void efx_ef10_handle_rx_abort(struct efx_rx_queue *rx_queue)
{
unsigned int rx_desc_ptr;
WARN_ON(rx_queue->scatter_n == 0);
netif_dbg(rx_queue->efx, hw, rx_queue->efx->net_dev,
"scattered RX aborted (dropping %u buffers)\n",
rx_queue->scatter_n);
@@ -1755,7 +1754,10 @@ static int efx_ef10_handle_rx_event(struct efx_channel *channel,
rx_l4_class = EFX_QWORD_FIELD(*event, ESF_DZ_RX_L4_CLASS);
rx_cont = EFX_QWORD_FIELD(*event, ESF_DZ_RX_CONT);
WARN_ON(EFX_QWORD_FIELD(*event, ESF_DZ_RX_DROP_EVENT));
if (EFX_QWORD_FIELD(*event, ESF_DZ_RX_DROP_EVENT))
netdev_WARN(efx->net_dev, "saw RX_DROP_EVENT: event="
EFX_QWORD_FMT "\n",
EFX_QWORD_VAL(*event));
rx_queue = efx_channel_get_rx_queue(channel);
@@ -1770,7 +1772,12 @@ static int efx_ef10_handle_rx_event(struct efx_channel *channel,
/* detect rx abort */
if (unlikely(n_descs == rx_queue->scatter_n)) {
WARN_ON(rx_bytes != 0);
if (rx_queue->scatter_n == 0 || rx_bytes != 0)
netdev_WARN(efx->net_dev,
"invalid RX abort: scatter_n=%u event="
EFX_QWORD_FMT "\n",
rx_queue->scatter_n,
EFX_QWORD_VAL(*event));
efx_ef10_handle_rx_abort(rx_queue);
return 0;
}
@@ -3035,8 +3042,11 @@ static void efx_ef10_filter_table_remove(struct efx_nic *efx)
table->entry[filter_idx].handle);
rc = efx_mcdi_rpc(efx, MC_CMD_FILTER_OP, inbuf, sizeof(inbuf),
NULL, 0, NULL);
WARN_ON(rc != 0);
if (rc)
netdev_WARN(efx->net_dev,
"filter_idx=%#x handle=%#llx\n",
filter_idx,
table->entry[filter_idx].handle);
kfree(spec);
}