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gtp: Add support for checking GTP device type 

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

Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Wojciech Drewek 2022-03-04 17:40:46 +01:00 committed by Tony Nguyen
parent e3acda7ade
commit 81dd9849fa
1 changed files with 6 additions and 0 deletions
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6
include/net/gtp.h
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@ -63,6 +63,12 @@ struct gtp_pdu_session_info { /* According to 3GPP TS 38.415. */
u8 qfi;
};
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