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net: context: Verify if CONFIG_NET_SOCKETS_PACKET_DGRAM is enabled

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Verify if CONFIG_NET_SOCKETS_PACKET_DGRAM is enabled when creating a
datagram packet socket. Otherwise, it's possible to create
non-functional AF_PACKET/SOCK_DGRAM socket w/o an error.

Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
This commit is contained in:
Robert Lubos 2025-05-26 14:36:05 +02:00 • committed by Benjamin Cabé
commit c26f39450d
1 changed files with 5 additions and 0 deletions
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5
subsys/net/ip/net_context.c
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@ -482,6 +482,11 @@ static int net_context_check(sa_family_t family, enum net_sock_type type,
NET_DBG("AF_PACKET disabled"); NET_DBG("AF_PACKET disabled");
return -EPFNOSUPPORT; return -EPFNOSUPPORT;
} }
if (!IS_ENABLED(CONFIG_NET_SOCKETS_PACKET_DGRAM) &&
type == SOCK_DGRAM) {
NET_DBG("DGRAM socket type disabled.");
return -EPROTOTYPE;
}
if (type != SOCK_RAW && type != SOCK_DGRAM) { if (type != SOCK_RAW && type != SOCK_DGRAM) {
NET_DBG("AF_PACKET only supports RAW and DGRAM socket " NET_DBG("AF_PACKET only supports RAW and DGRAM socket "
"types."); "types.");