diff mbox series

[net-next] gre: Prepare ipgre_open() to .flowi4_tos conversion.

Message ID 6c05a11afdc61530f1a4505147e0909ad51feb15.1736941806.git.gnault@redhat.com (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series [net-next] gre: Prepare ipgre_open() to .flowi4_tos conversion. | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net-next
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: 1 this patch: 1
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 6 of 6 maintainers
netdev/build_clang success Errors and warnings before: 2 this patch: 2
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: 1 this patch: 1
netdev/checkpatch warning WARNING: line length of 85 exceeds 80 columns
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
netdev/contest fail net-next-2025-01-15--15-00 (tests: 491)

Commit Message

Guillaume Nault Jan. 15, 2025, 11:53 a.m. UTC
Use ip4h_dscp() to get the tunnel DSCP option as dscp_t, instead of
manually masking the raw tos field with INET_DSCP_MASK. This will ease
the conversion of fl4->flowi4_tos to dscp_t, which just becomes a
matter of dropping the inet_dscp_to_dsfield() call.

Signed-off-by: Guillaume Nault <gnault@redhat.com>
---
 net/ipv4/ip_gre.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Ido Schimmel Jan. 15, 2025, 12:01 p.m. UTC | #1
On Wed, Jan 15, 2025 at 12:53:55PM +0100, Guillaume Nault wrote:
> Use ip4h_dscp() to get the tunnel DSCP option as dscp_t, instead of
> manually masking the raw tos field with INET_DSCP_MASK. This will ease
> the conversion of fl4->flowi4_tos to dscp_t, which just becomes a
> matter of dropping the inet_dscp_to_dsfield() call.
> 
> Signed-off-by: Guillaume Nault <gnault@redhat.com>

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

Patch

diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index a020342f618d..ed1b6b44faf8 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -926,7 +926,7 @@  static int ipgre_open(struct net_device *dev)
 	if (ipv4_is_multicast(t->parms.iph.daddr)) {
 		struct flowi4 fl4 = {
 			.flowi4_oif = t->parms.link,
-			.flowi4_tos = t->parms.iph.tos & INET_DSCP_MASK,
+			.flowi4_tos = inet_dscp_to_dsfield(ip4h_dscp(&t->parms.iph)),
 			.flowi4_scope = RT_SCOPE_UNIVERSE,
 			.flowi4_proto = IPPROTO_GRE,
 			.saddr = t->parms.iph.saddr,