diff mbox series

[RFC,net-next,v2,2/5] gtp: Add support for checking GTP device type

Message ID 20220127125732.125965-1-marcin.szycik@linux.intel.com (mailing list archive)
State RFC
Delegated to: Netdev Maintainers
Headers show
Series [RFC,net-next,v2,1/5] gtp: Allow to create GTP device without FDs | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter warning Series does not have a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 2 this patch: 2
netdev/cc_maintainers success CCed 3 of 3 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 2 this patch: 2
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 12 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Marcin Szycik Jan. 27, 2022, 12:57 p.m. UTC 
From: Wojciech Drewek <wojciech.drewek@intel.com>

Add a function that checks if a net device type is GTP.

Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
---
 include/net/gtp.h | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/include/net/gtp.h b/include/net/gtp.h
index 0e16ebb2a82d..ae915dd33d20 100644
--- a/include/net/gtp.h
+++ b/include/net/gtp.h
@@ -27,6 +27,12 @@  struct gtp1_header {	/* According to 3GPP TS 29.060. */
 	__be32	tid;
 } __attribute__ ((packed));
 
+static inline bool netif_is_gtp(const struct net_device *dev)
+{
+	return dev->rtnl_link_ops &&
+		!strcmp(dev->rtnl_link_ops->kind, "gtp");
+}
+
 #define GTP1_F_NPDU	0x01
 #define GTP1_F_SEQ	0x02
 #define GTP1_F_EXTHDR	0x04