16a0e314ea
Currently, if CONFIG_SLIP_TAP is enabled (default for QEMU), and no
other Ethernet driver is enabled, the following warning is printed by
CMake:
No SOURCES given to Zephyr library: drivers__ethernet
This happens because SLIP_TAP enabled Ethernet L2, but has no actual
sources in drivers/ethernet. This commit fixes this, by moving the
actual definition of the SLIP TAP Ethernet interface into a separate
file, within drivers/ethernet. Technically, in that configuration SLIP
defines a Ethernet device, implementing Ethernet API, so such a change
is justifiable, and prevents unwanted warning from being generated.
Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*
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* Copyright (c) 2016 Intel Corporation
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* Copyright (c) 2023 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdbool.h>
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#include <zephyr/device.h>
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#include <zephyr/net/buf.h>
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#include <zephyr/net/net_pkt.h>
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#include <zephyr/net/net_if.h>
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#if defined(CONFIG_SLIP_TAP)
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#define _SLIP_MTU 1500
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#else
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#define _SLIP_MTU 576
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#endif /* CONFIG_SLIP_TAP */
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struct slip_context {
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bool init_done;
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bool first; /* SLIP received it's byte or not after
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* driver initialization or SLIP_END byte.
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*/
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uint8_t buf[1]; /* SLIP data is read into this buf */
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struct net_pkt *rx; /* and then placed into this net_pkt */
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struct net_buf *last; /* Pointer to last buffer in the list */
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uint8_t *ptr; /* Where in net_pkt to add data */
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struct net_if *iface;
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uint8_t state;
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uint8_t mac_addr[6];
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struct net_linkaddr ll_addr;
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#if defined(CONFIG_SLIP_STATISTICS)
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#define SLIP_STATS(statement)
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#else
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uint16_t garbage;
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#define SLIP_STATS(statement) statement
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#endif
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};
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void slip_iface_init(struct net_if *iface);
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int slip_init(const struct device *dev);
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int slip_send(const struct device *dev, struct net_pkt *pkt);
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