DPDK patches and discussions
 help / color / mirror / Atom feed
From: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
To: Ciara Loftus <ciara.loftus@intel.com>, Qi Zhang <qi.z.zhang@intel.com>
Cc: dev@dpdk.org
Subject: [PATCH v3 5/6] net/af_xdp: log errors on XDP program removal failures
Date: Wed,  5 Oct 2022 12:50:36 +0300	[thread overview]
Message-ID: <20221005095037.997006-7-andrew.rybchenko@oktetlabs.ru> (raw)
In-Reply-To: <20221005095037.997006-1-andrew.rybchenko@oktetlabs.ru>

Make it visible in logs if something goes wrong on XDP program
removal failure.

Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
---
 drivers/net/af_xdp/rte_eth_af_xdp.c | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
index 9957de2314..f7c2321a18 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -866,18 +866,24 @@ eth_stats_reset(struct rte_eth_dev *dev)
 	return 0;
 }
 
-static void
+static int
 remove_xdp_program(struct pmd_internals *internals)
 {
 	uint32_t curr_prog_id = 0;
+	int ret;
 
-	if (bpf_get_link_xdp_id(internals->if_index, &curr_prog_id,
-				XDP_FLAGS_UPDATE_IF_NOEXIST)) {
+	ret = bpf_get_link_xdp_id(internals->if_index, &curr_prog_id,
+				  XDP_FLAGS_UPDATE_IF_NOEXIST);
+	if (ret != 0) {
 		AF_XDP_LOG(ERR, "bpf_get_link_xdp_id failed\n");
-		return;
+		return ret;
 	}
-	bpf_set_link_xdp_fd(internals->if_index, -1,
-			XDP_FLAGS_UPDATE_IF_NOEXIST);
+
+	ret = bpf_set_link_xdp_fd(internals->if_index, -1,
+				  XDP_FLAGS_UPDATE_IF_NOEXIST);
+	if (ret != 0)
+		AF_XDP_LOG(ERR, "bpf_set_link_xdp_fd failed\n");
+	return ret;
 }
 
 static void
@@ -932,7 +938,8 @@ eth_dev_close(struct rte_eth_dev *dev)
 	 */
 	dev->data->mac_addrs = NULL;
 
-	remove_xdp_program(internals);
+	if (remove_xdp_program(internals) != 0)
+		AF_XDP_LOG(ERR, "Error while removing XDP program.\n");
 
 	if (internals->shared_umem) {
 		struct internal_list *list;
-- 
2.30.2


  parent reply	other threads:[~2022-10-05  9:51 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-24 10:23 [PATCH] net/af_xdp: make compatible with libbpf v0.8.0 Ciara Loftus
2022-06-24 11:45 ` Andrew Rybchenko
2022-06-27 14:17   ` Loftus, Ciara
2022-06-27 14:50     ` Andrew Rybchenko
2022-06-27 15:24       ` Loftus, Ciara
2022-06-28  9:15         ` Andrew Rybchenko
2022-06-28 10:07           ` Loftus, Ciara
2022-07-21 12:16             ` Loftus, Ciara
2022-06-28 12:18 ` [PATCH v2] " Ciara Loftus
2022-10-05  9:50 ` [PATCH v3 0/6] " Andrew Rybchenko
2022-10-05  9:50   ` [PATCH v3] mempool: fix get objects from mempool with cache Andrew Rybchenko
2022-10-05  9:56     ` Andrew Rybchenko
2022-10-05  9:50   ` [PATCH v3 1/6] net/af_xdp: move XDP library presence flag to right branch Andrew Rybchenko
2022-10-05  9:50   ` [PATCH v3 2/6] net/af_xdp: make it clear which libxdp version is required Andrew Rybchenko
2022-10-05  9:50   ` [PATCH v3 3/6] net/af_xdp: avoid version-based check for shared UMEM Andrew Rybchenko
2022-10-05  9:50   ` [PATCH v3 4/6] net/af_xdp: avoid version-based check for program load mech Andrew Rybchenko
2022-10-05  9:50   ` Andrew Rybchenko [this message]
2022-10-05  9:50   ` [PATCH v3 6/6] net/af_xdp: make compatible with libbpf v0.8.0 Andrew Rybchenko
2022-10-06  6:26 ` [PATCH v4 0/6] " Andrew Rybchenko
2022-10-06  6:26   ` [PATCH v4 1/6] net/af_xdp: move XDP library presence flag to right branch Andrew Rybchenko
2022-10-06  6:26   ` [PATCH v4 2/6] net/af_xdp: make it clear which libxdp version is required Andrew Rybchenko
2022-10-06  6:26   ` [PATCH v4 3/6] net/af_xdp: avoid version-based check for shared UMEM Andrew Rybchenko
2022-10-06  6:26   ` [PATCH v4 4/6] net/af_xdp: avoid version-based check for program load mech Andrew Rybchenko
2022-10-06  6:26   ` [PATCH v4 5/6] net/af_xdp: log errors on XDP program removal failures Andrew Rybchenko
2022-10-06  6:26   ` [PATCH v4 6/6] net/af_xdp: make compatible with libbpf v0.8.0 Andrew Rybchenko
2022-10-07 17:19     ` Ferruh Yigit
2022-10-07 17:28       ` Ferruh Yigit
2022-10-07 17:40   ` [PATCH v4 0/6] " Ferruh Yigit
2022-12-20 14:05 ` [PATCH] " Kevin Traynor
2022-12-21  6:09   ` Andrew Rybchenko
2022-12-21  9:28     ` Kevin Traynor

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=20221005095037.997006-7-andrew.rybchenko@oktetlabs.ru \
    --to=andrew.rybchenko@oktetlabs.ru \
    --cc=ciara.loftus@intel.com \
    --cc=dev@dpdk.org \
    --cc=qi.z.zhang@intel.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).