espressif/esp-lwip
1
0
Fork 0
mirror of https://github.com/espressif/esp-lwip.git synced 2026-06-05 21:04:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

dhcp: Set hostname for DISCOVER packets

Browse Source 
If the hostname is not set in the DISCOVER packet, then some servers might
issue an OFFER with hostname configured and consequently reject the REQUEST
with any other hostname.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Ref IDF-4817
This commit is contained in:
Logan Gunthorpe
2019-11-18 16:58:04 -07:00
committed by David Cermak
parent 73a92e31c0
commit 729d724cae
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/core/ipv4/dhcp.c
+4
View File
@@ -1033,6 +1033,10 @@ dhcp_discover(struct netif *netif)
options_out_len = dhcp_option(options_out_len, msg_out->options, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN);
options_out_len = dhcp_option_short(options_out_len, msg_out->options, DHCP_MAX_MSG_LEN(netif));
#if LWIP_NETIF_HOSTNAME && ESP_LWIP
options_out_len = dhcp_option_hostname(options_out_len, msg_out->options, netif);
#endif /* LWIP NETIF HOSTNAME && ESP_LWIP */
options_out_len = dhcp_option(options_out_len, msg_out->options, DHCP_OPTION_PARAMETER_REQUEST_LIST, LWIP_ARRAYSIZE(dhcp_discover_request_options));
for (i = 0; i < LWIP_ARRAYSIZE(dhcp_discover_request_options); i++) {
options_out_len = dhcp_option_byte(options_out_len, msg_out->options, dhcp_discover_request_options[i]);