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net: if: Add promiscuous mode set / unset functionality

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User is able to set the network interface to promiscuous mode
and query the promisc mode status.

Note that currently this is only supported for ethernet bearer.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2018-07-20 16:42:54 +03:00
commit b19cb207cb
2 changed files with 75 additions and 0 deletions
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31
include/net/net_if.h
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@ -161,6 +161,9 @@ enum {
/* interface is pointopoint */
NET_IF_POINTOPOINT,
/* interface is in promiscuous mode */
NET_IF_PROMISC,
/* Total number of flags - must be at the end of the enum */
NET_IF_NUM_FLAGS
};
@ -1673,6 +1676,34 @@ void net_if_call_timestamp_cb(struct net_pkt *pkt);
void net_if_add_tx_timestamp(struct net_pkt *pkt);
#endif /* CONFIG_NET_PKT_TIMESTAMP */
/**
* @brief Set network interface into promiscuous mode
*
* @details Note that not all network technologies will support this.
*
* @param iface Pointer to network interface
*
* @return 0 on success, <0 if error
*/
int net_if_set_promisc(struct net_if *iface);
/**
* @brief Set network interface into normal mode
*
* @param iface Pointer to network interface
*/
void net_if_unset_promisc(struct net_if *iface);
/**
* @brief Check if promiscuous mode is set or not.
*
* @param iface Pointer to network interface
*
* @return True if interface is in promisc mode,
* False if interface is not in in promiscuous mode.
*/
bool net_if_is_promisc(struct net_if *iface);
struct net_if_api {
void (*init)(struct net_if *iface);
int (*send)(struct net_if *iface, struct net_pkt *pkt);