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net: Refactor IP, UPD, and ICMP header writing functions

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ICMP (ping) was reimplementing IP header code... it now shares code.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Joe Hershberger
2012-05-23 07:59:07 +00:00
parent 674bb24982
commit 4b11c9166b
4 changed files with 61 additions and 56 deletions
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8
net/bootp.c
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@@ -619,9 +619,9 @@ BootpRequest(void)
* determined.
* C. Hallinan, DS4.COM, Inc.
*/
/* NetSetIP(pkt, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC,
/* net_set_udp_header(pkt, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC,
sizeof (struct Bootp_t)); */
iphdr = pkt; /* We need this later for NetSetIP() */
iphdr = pkt; /* We need this later for net_set_udp_header() */
pkt += IP_UDP_HDR_SIZE;
bp = (struct Bootp_t *)pkt;
@@ -663,7 +663,7 @@ BootpRequest(void)
pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE -
sizeof(bp->bp_vend) + ext_len;
iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + ext_len;
NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
net_set_udp_header(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
NetSetTimeout(SELECT_TIMEOUT, BootpTimeout);
#if defined(CONFIG_CMD_DHCP)
@@ -844,7 +844,7 @@ static void DhcpSendRequestPkt(struct Bootp_t *bp_offer)
pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE -
sizeof(bp->bp_vend) + extlen;
iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen;
NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
net_set_udp_header(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen);
debug("Transmitting DHCPREQUEST packet: len = %d\n", pktlen);
#ifdef CONFIG_BOOTP_DHCP_REQUEST_DELAY