diff mbox series

[ipsec-next,v2,4/4] xfrm: Convert struct xfrm_dst_lookup_params -> tos to dscp_t.

Message ID 8b7dbe727a3aae1d61a2a43ec4a7f932feed70a0.1730387416.git.gnault@redhat.com (mailing list archive)
State Awaiting Upstream
Delegated to: Netdev Maintainers
Headers show
Series xfrm: Convert __xfrm4_dst_lookup() and its callers to dscp_t. | expand

Checks

Context Check Description
netdev/series_format warning Target tree name not specified in the subject
netdev/tree_selection success Guessed tree name to be net-next, async
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 5 this patch: 5
netdev/build_tools success Errors and warnings before: 0 (+0) this patch: 0 (+0)
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 227 this patch: 227
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 38 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Guillaume Nault Oct. 31, 2024, 3:52 p.m. UTC 
Add type annotation to the "tos" field of struct xfrm_dst_lookup_params,
to ensure that the ECN bits aren't mistakenly taken into account when
doing route lookups. Rename that field (tos -> dscp) to make that
change explicit.

Signed-off-by: Guillaume Nault <gnault@redhat.com>
---
 include/net/xfrm.h      | 3 ++-
 net/ipv4/xfrm4_policy.c | 3 ++-
 net/xfrm/xfrm_policy.c  | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

Comments

Ido Schimmel Nov. 3, 2024, 2:27 p.m. UTC | #1 
On Thu, Oct 31, 2024 at 04:52:57PM +0100, Guillaume Nault wrote:
> Add type annotation to the "tos" field of struct xfrm_dst_lookup_params,
> to ensure that the ECN bits aren't mistakenly taken into account when
> doing route lookups. Rename that field (tos -> dscp) to make that
> change explicit.
> 
> Signed-off-by: Guillaume Nault <gnault@redhat.com>

Reviewed-by: Ido Schimmel <idosch@nvidia.com>
diff mbox series

Patch

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index a0bdd58f401c..48ec4c415e98 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -19,6 +19,7 @@ 
 
 #include <net/sock.h>
 #include <net/dst.h>
+#include <net/inet_dscp.h>
 #include <net/ip.h>
 #include <net/route.h>
 #include <net/ipv6.h>
@@ -351,7 +352,7 @@  void xfrm_if_unregister_cb(void);
 
 struct xfrm_dst_lookup_params {
 	struct net *net;
-	int tos;
+	dscp_t dscp;
 	int oif;
 	xfrm_address_t *saddr;
 	xfrm_address_t *daddr;
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 7e1c2faed1ff..7fb6205619e7 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -14,6 +14,7 @@ 
 #include <linux/inetdevice.h>
 #include <net/dst.h>
 #include <net/xfrm.h>
+#include <net/inet_dscp.h>
 #include <net/ip.h>
 #include <net/l3mdev.h>
 
@@ -24,7 +25,7 @@  static struct dst_entry *__xfrm4_dst_lookup(struct flowi4 *fl4,
 
 	memset(fl4, 0, sizeof(*fl4));
 	fl4->daddr = params->daddr->a4;
-	fl4->flowi4_tos = params->tos;
+	fl4->flowi4_tos = inet_dscp_to_dsfield(params->dscp);
 	fl4->flowi4_l3mdev = l3mdev_master_ifindex_by_index(params->net,
 							    params->oif);
 	fl4->flowi4_mark = params->mark;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 9e231c1ece3f..e91607fe45ba 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -312,7 +312,7 @@  static inline struct dst_entry *xfrm_dst_lookup(struct xfrm_state *x,
 	params.net = net;
 	params.saddr = saddr;
 	params.daddr = daddr;
-	params.tos = inet_dscp_to_dsfield(dscp);
+	params.dscp = dscp;
 	params.oif = oif;
 	params.mark = mark;
 	params.ipproto = x->id.proto;