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dhcp: Use tap_udp4_send() helper in dhcp()

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The IPv4 specific dhcp() manually constructs L2 and IP headers to send its
DHCP reply packet, unlike its IPv6 equivalent in dhcpv6.c which uses the
tap_udp6_send() helper.  Now that we've broaded the parameters to
tap_udp4_send() we can use it in dhcp() to avoid some duplicated logic.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2022-10-19 11:43:57 +11:00 • committed by Stefano Brivio
parent 2dbc622f54
commit c6845f60a0
2 changed files with 2 additions and 17 deletions

1
tap.c
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@ -170,7 +170,6 @@ static void *tap_push_ip4h(char *buf, in_addr_t src, in_addr_t dst,
* @in: UDP payload contents (not including UDP header)
* @len: UDP payload length (not including UDP header)
*/
/* cppcheck-suppress unusedFunction */
void tap_udp4_send(const struct ctx *c, in_addr_t src, in_port_t sport,
in_addr_t dst, in_port_t dport,
const void *in, size_t len)