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drivers: slip: Add LLDP support

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Enable LLDP TX support on the slip ethernet driver.
Now when CONFIG_NET_LLDP is enabled, one can easily verify on a sniffer
(i.e. wireshark) that LLDP frames are being sent at the configured
interval with all mandatory TLVs enabled.

Signed-off-by: Jesus Sanchez-Palencia <jesus.sanchez-palencia@intel.com>
This commit is contained in:
Jesus Sanchez-Palencia 2017-04-05 18:01:39 -07:00 committed by Jukka Rissanen
parent 598276262c
commit 34ff437b53
1 changed files with 39 additions and 1 deletions
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40
drivers/net/slip.c
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@ -22,10 +22,12 @@
#include <errno.h>
#include <stddef.h>
#include <misc/util.h>
#include <net/ethernet.h>
#include <net/buf.h>
#include <net/net_pkt.h>
#include <net/net_if.h>
#include <net/net_core.h>
#include <net/lldp.h>
#include <console/uart_pipe.h>
#include <net/ethernet.h>
@ -63,6 +65,35 @@ struct slip_context {
#endif
};
#if defined(CONFIG_NET_LLDP)
static const struct net_lldpdu lldpdu = {
.chassis_id = {
.type_length = htons((LLDP_TLV_CHASSIS_ID << 9) |
NET_LLDP_CHASSIS_ID_TLV_LEN),
.subtype = CONFIG_NET_LLDP_CHASSIS_ID_SUBTYPE,
.value = NET_LLDP_CHASSIS_ID_VALUE
},
.port_id = {
.type_length = htons((LLDP_TLV_PORT_ID << 9) |
NET_LLDP_PORT_ID_TLV_LEN),
.subtype = CONFIG_NET_LLDP_PORT_ID_SUBTYPE,
.value = NET_LLDP_PORT_ID_VALUE
},
.ttl = {
.type_length = htons((LLDP_TLV_TTL << 9) |
NET_LLDP_TTL_TLV_LEN),
.ttl = htons(NET_LLDP_TTL)
},
#if defined(CONFIG_NET_LLDP_END_LLDPDU_TLV_ENABLED)
.end_lldpdu_tlv = NET_LLDP_END_LLDPDU_VALUE
#endif /* CONFIG_NET_LLDP_END_LLDPDU_TLV_ENABLED */
};
#define lldpdu_ptr (&lldpdu)
#else
#define lldpdu_ptr NULL
#endif /* CONFIG_NET_LLDP */
#if SYS_LOG_LEVEL >= SYS_LOG_LEVEL_DEBUG
#if defined(CONFIG_SYS_LOG_SHOW_COLOR)
#define COLOR_OFF "\x1B[0m"
@ -479,11 +510,14 @@ static void slip_iface_init(struct net_if *iface)
ethernet_init(iface);
net_eth_set_lldpdu(iface, lldpdu_ptr);
if (slip->init_done) {
return;
}
ll_addr = slip_get_mac(slip);
slip->init_done = true;
slip->iface = iface;
@ -512,7 +546,11 @@ static enum ethernet_hw_caps eth_capabilities(struct device *dev)
{
ARG_UNUSED(dev);
return ETHERNET_HW_VLAN;
return ETHERNET_HW_VLAN
#if defined(CONFIG_NET_LLDP)
| ETHERNET_LLDP
#endif
;
}
#if defined(CONFIG_SLIP_TAP) && defined(CONFIG_NET_L2_ETHERNET)