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斟酌 鵬兄
2026-05-10 04:36:48 +08:00
parent 9fd18cfe6f
commit d308dafa4c
1 changed files with 60 additions and 13 deletions
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73
patches/ask/cdx/0002-cdx-do-not-fail-module-init-for-absent-optional-offl.patch
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@@ -1,14 +1,28 @@
From 919ea304abf495a7142639e51555508fa1b23a30 Mon Sep 17 00:00:00 2001 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: test <test@example.com> From: builder <builder@localhost>
Date: Sat, 9 May 2026 16:59:28 +0000 Date: Sun, 10 May 2026 00:00:00 +0000
Subject: [PATCH 2/2] cdx: do not fail module init for absent optional offloads Subject: [PATCH] cdx: keep optional offload init failures non-fatal
The CDX module currently treats several board-specific acceleration paths as
mandatory. On boards without VWD/WiFi OH ports, fragmentation BMan pools, or
DPA IPsec OH ports, module init either fails or can crash before returning an
error.
Keep the CDX core loadable when those optional resources are absent:
- warn and continue when VWD/WiFi init fails;
- skip the vendor fragmentation module on this platform, because it can
dereference a missing BMan pool;
- warn and continue when DPA IPsec init fails;
- only initialize DPA IPsec follow-up buffer pools when IPsec init succeeds.
---
cdx/cdx_main.c | 47 +++++++++++++++++++++--------------------------
1 file changed, 21 insertions(+), 26 deletions(-)
diff --git a/cdx/cdx_main.c b/cdx/cdx_main.c diff --git a/cdx/cdx_main.c b/cdx/cdx_main.c
index ec763cb..641121b 100644
--- a/cdx/cdx_main.c --- a/cdx/cdx_main.c
+++ b/cdx/cdx_main.c +++ b/cdx/cdx_main.c
@@ -195,16 +195,17 @@ static int __init cdx_module_init(void) @@ -178,31 +178,36 @@ static int __init cdx_module_init(void)
#ifdef CFG_WIFI_OFFLOAD #ifdef CFG_WIFI_OFFLOAD
rc = dpaa_vwd_init(); rc = dpaa_vwd_init();
if (rc != 0) { if (rc != 0) {
@@ -25,15 +39,48 @@ index ec763cb..641121b 100644
- rc = -EIO; - rc = -EIO;
- goto exit; - goto exit;
- } - }
+
+ /* + /*
+ * The vendor fragmentation path assumes its BMan pool/config exists and + * The vendor fragmentation path is optional for this platform and can
+ * can crash in bman_free_pool() when this board profile does not provide + * dereference a missing BMan pool before returning an error. Do not let a
+ * it. Keep CDX usable without the optional fragmentation offload path. + * missing fragmentation pool prevent the CDX core from loading.
+ */ + */
+ printk(KERN_WARNING "%s::skipping cdx_init_frag_module on this platform\n", __func__); + printk(KERN_WARNING "%s::skipping cdx_init_frag_module on this platform\n",
+ __func__);
#ifdef DPA_IPSEC_OFFLOAD #ifdef DPA_IPSEC_OFFLOAD
if (cdx_dpa_ipsec_init()) { - if (cdx_dpa_ipsec_init()) {
-- - printk("%s::dpa_ipsec start failed\n", __func__);
2.47.3 - goto exit;
- }
-
- if (cdx_init_scatter_gather_bpool()) {
- printk("%s::cdx_init_scatter_gather_bpool failed\n",__func__);
- rc = -ENOMEM;
- goto exit;
- }
- if (cdx_init_skb_2bfreed_bpool()) {
- printk("%s(%d) : cdx_init_skb_2bfreed_bpool failed\n", __func__,__LINE__);
- rc = -ENOMEM;
- goto exit;
+ rc = cdx_dpa_ipsec_init();
+ if (rc) {
+ printk(KERN_WARNING "%s::dpa_ipsec start failed rc %d; continuing without DPA IPsec offload\n",
+ __func__, rc);
+ rc = 0;
+ } else {
+ if (cdx_init_scatter_gather_bpool()) {
+ printk("%s::cdx_init_scatter_gather_bpool failed\n", __func__);
+ rc = -ENOMEM;
+ goto exit;
+ }
+ if (cdx_init_skb_2bfreed_bpool()) {
+ printk("%s(%d) : cdx_init_skb_2bfreed_bpool failed\n", __func__, __LINE__);
+ rc = -ENOMEM;
+ goto exit;
+ }
}
#endif
--
2.45.0