DPDK patches and discussions
 help / color / mirror / Atom feed
From: Michal Krawczyk <mk@semihalf.com>
To: dev@dpdk.org
Cc: mw@semihalf.com, mba@semihalf.com, gtzalik@amazon.com,
	evgenys@amazon.com, igorch@amazon.com,
	Michal Krawczyk <mk@semihalf.com>
Subject: [dpdk-dev] [PATCH 10/29] net/ena/base: add error logs when preparing Tx
Date: Fri, 27 Mar 2020 11:18:04 +0100	[thread overview]
Message-ID: <20200327101823.12646-11-mk@semihalf.com> (raw)
In-Reply-To: <20200327101823.12646-1-mk@semihalf.com>

To make the debugging easier, the error logs were added in the Tx path.

Signed-off-by: Michal Krawczyk <mk@semihalf.com>
Reviewed-by: Igor Chauskin <igorch@amazon.com>
Reviewed-by: Guy Tzalik <gtzalik@amazon.com>
---
 drivers/net/ena/base/ena_eth_com.c | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ena/base/ena_eth_com.c b/drivers/net/ena/base/ena_eth_com.c
index aabc294fb7..747450fec5 100644
--- a/drivers/net/ena/base/ena_eth_com.c
+++ b/drivers/net/ena/base/ena_eth_com.c
@@ -148,8 +148,10 @@ static int ena_com_close_bounce_buffer(struct ena_com_io_sq *io_sq)
 	if (pkt_ctrl->idx) {
 		rc = ena_com_write_bounce_buffer_to_dev(io_sq,
 							pkt_ctrl->curr_bounce_buf);
-		if (unlikely(rc))
+		if (unlikely(rc)) {
+			ena_trc_err("failed to write bounce buffer to device\n");
 			return rc;
+		}
 
 		pkt_ctrl->curr_bounce_buf =
 			ena_com_get_next_bounce_buffer(&io_sq->bounce_buf_ctrl);
@@ -179,8 +181,10 @@ static int ena_com_sq_update_llq_tail(struct ena_com_io_sq *io_sq)
 	if (!pkt_ctrl->descs_left_in_line) {
 		rc = ena_com_write_bounce_buffer_to_dev(io_sq,
 							pkt_ctrl->curr_bounce_buf);
-		if (unlikely(rc))
+		if (unlikely(rc)) {
+			ena_trc_err("failed to write bounce buffer to device\n");
 			return rc;
+		}
 
 		pkt_ctrl->curr_bounce_buf =
 			ena_com_get_next_bounce_buffer(&io_sq->bounce_buf_ctrl);
@@ -394,8 +398,10 @@ int ena_com_prepare_tx(struct ena_com_io_sq *io_sq,
 	}
 
 	if (unlikely(io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV
-		     && !buffer_to_push))
+		     && !buffer_to_push)) {
+		ena_trc_err("push header wasn't provided on LLQ mode\n");
 		return ENA_COM_INVAL;
+	}
 
 	rc = ena_com_write_header_to_bounce(io_sq, buffer_to_push, header_len);
 	if (unlikely(rc))
@@ -410,6 +416,8 @@ int ena_com_prepare_tx(struct ena_com_io_sq *io_sq,
 	/* If the caller doesn't want to send packets */
 	if (unlikely(!num_bufs && !header_len)) {
 		rc = ena_com_close_bounce_buffer(io_sq);
+		if (rc)
+			ena_trc_err("failed to write buffers to LLQ\n");
 		*nb_hw_desc = io_sq->tail - start_tail;
 		return rc;
 	}
@@ -469,8 +477,10 @@ int ena_com_prepare_tx(struct ena_com_io_sq *io_sq,
 		/* The first desc share the same desc as the header */
 		if (likely(i != 0)) {
 			rc = ena_com_sq_update_tail(io_sq);
-			if (unlikely(rc))
+			if (unlikely(rc)) {
+				ena_trc_err("failed to update sq tail\n");
 				return rc;
+			}
 
 			desc = get_sq_desc(io_sq);
 			if (unlikely(!desc))
@@ -499,10 +509,14 @@ int ena_com_prepare_tx(struct ena_com_io_sq *io_sq,
 	desc->len_ctrl |= ENA_ETH_IO_TX_DESC_LAST_MASK;
 
 	rc = ena_com_sq_update_tail(io_sq);
-	if (unlikely(rc))
+	if (unlikely(rc)) {
+		ena_trc_err("failed to update sq tail of the last descriptor\n");
 		return rc;
+	}
 
 	rc = ena_com_close_bounce_buffer(io_sq);
+	if (rc)
+		ena_trc_err("failed when closing bounce buffer\n");
 
 	*nb_hw_desc = io_sq->tail - start_tail;
 	return rc;
-- 
2.20.1


  parent reply	other threads:[~2020-03-27 10:30 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-27 10:17 [dpdk-dev] [PATCH 00/29] Update ENA driver to v2.1.0 Michal Krawczyk
2020-03-27 10:17 ` [dpdk-dev] [PATCH 01/29] net/ena: check if size of buffer is at least 1400B Michal Krawczyk
2020-03-27 10:55   ` Andrew Rybchenko
2020-03-31  9:47     ` Michał Krawczyk
2020-03-27 14:51   ` Stephen Hemminger
2020-03-31  9:48     ` Michał Krawczyk
2020-03-27 10:17 ` [dpdk-dev] [PATCH 02/29] net/ena/base: make allocation macros thread-safe Michal Krawczyk
2020-03-27 14:54   ` Stephen Hemminger
2020-03-31  9:47     ` Michał Krawczyk
2020-03-27 10:17 ` [dpdk-dev] [PATCH 03/29] net/ena/base: prevent allocation of 0-sized memory Michal Krawczyk
2020-03-27 10:17 ` [dpdk-dev] [PATCH 04/29] net/ena/base: set default hash key Michal Krawczyk
2020-03-27 11:12   ` Andrew Rybchenko
2020-03-31  9:40     ` Michał Krawczyk
2020-03-31  9:51       ` Michał Krawczyk
2020-03-27 10:17 ` [dpdk-dev] [PATCH 05/29] net/ena/base: rework interrupt moderation Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 06/29] net/ena/base: remove extra properties strings Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 07/29] net/ena/base: add accelerated LLQ mode Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 08/29] net/ena/base: fix documentation of the functions Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 09/29] net/ena/base: fix indentation in cq polling Michal Krawczyk
2020-03-27 10:18 ` Michal Krawczyk [this message]
2020-03-27 10:18 ` [dpdk-dev] [PATCH 11/29] net/ena/base: use 48-bit memory addresses in ena_com Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 12/29] net/ena/base: fix types for printing timestamps Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 13/29] net/ena/base: fix indentation of multiple defines Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 14/29] net/ena/base: update gen date and commit Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 15/29] net/ena: set IO ring size to the valid value Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 16/29] net/ena: refactor getting IO queues capabilities Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 17/29] net/ena: add support for large LLQ headers Michal Krawczyk
2020-03-27 11:20   ` Andrew Rybchenko
2020-03-31  9:42     ` Michał Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 18/29] net/ena: remove memory barriers before doorbells Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 19/29] net/ena: add Tx drops statistic Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 20/29] net/ena: disable meta caching Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 21/29] net/ena: refactor Rx path Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 22/29] net/ena: rework getting number of available descs Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 23/29] net/ena: limit refill threshold by fixed value Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 24/29] net/ena: use macros for ring idx operations Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 25/29] net/ena: refactor Tx path Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 26/29] net/ena: reuse 0 length Rx descriptor Michal Krawczyk
2020-03-27 11:29   ` Andrew Rybchenko
2020-03-31  9:45     ` Michał Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 27/29] doc: add notes on ENA usage on metal instances Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 28/29] net/ena: update copyright date Michal Krawczyk
2020-03-27 10:18 ` [dpdk-dev] [PATCH 29/29] net/ena: update version of the driver to v2.1.0 Michal Krawczyk

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200327101823.12646-11-mk@semihalf.com \
    --to=mk@semihalf.com \
    --cc=dev@dpdk.org \
    --cc=evgenys@amazon.com \
    --cc=gtzalik@amazon.com \
    --cc=igorch@amazon.com \
    --cc=mba@semihalf.com \
    --cc=mw@semihalf.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).