[U-Boot] [PATCH 14/23] net: cosmetic: Clean up CDP variables and functions
Joe Hershberger
joe.hershberger at ni.com
Fri Apr 3 23:14:46 CEST 2015
Make a thorough pass through all variables and function names contained
within cdp.c and remove CamelCase and improve naming.
Signed-off-by: Joe Hershberger <joe.hershberger at ni.com>
---
common/cmd_net.c | 17 +++++++-------
include/net.h | 4 ++--
net/cdp.c | 70 ++++++++++++++++++++++++++------------------------------
net/cdp.h | 2 +-
net/net.c | 2 +-
5 files changed, 46 insertions(+), 49 deletions(-)
diff --git a/common/cmd_net.c b/common/cmd_net.c
index 290c0c5..0ade0f8 100644
--- a/common/cmd_net.c
+++ b/common/cmd_net.c
@@ -290,18 +290,19 @@ static void cdp_update_env(void)
{
char tmp[16];
- if (CDPApplianceVLAN != htons(-1)) {
- printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN));
- VLAN_to_string(CDPApplianceVLAN, tmp);
+ if (cdp_appliance_vlan != htons(-1)) {
+ printf("CDP offered appliance VLAN %d\n",
+ ntohs(cdp_appliance_vlan));
+ VLAN_to_string(cdp_appliance_vlan, tmp);
setenv("vlan", tmp);
- NetOurVLAN = CDPApplianceVLAN;
+ NetOurVLAN = cdp_appliance_vlan;
}
- if (CDPNativeVLAN != htons(-1)) {
- printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN));
- VLAN_to_string(CDPNativeVLAN, tmp);
+ if (cdp_native_vlan != htons(-1)) {
+ printf("CDP offered native VLAN %d\n", ntohs(cdp_native_vlan));
+ VLAN_to_string(cdp_native_vlan, tmp);
setenv("nvlan", tmp);
- NetOurNativeVLAN = CDPNativeVLAN;
+ NetOurNativeVLAN = cdp_native_vlan;
}
}
diff --git a/include/net.h b/include/net.h
index 1dc54ce..9343ade 100644
--- a/include/net.h
+++ b/include/net.h
@@ -512,8 +512,8 @@ extern struct in_addr net_ping_ip; /* the ip address to ping */
#if defined(CONFIG_CMD_CDP)
/* when CDP completes these hold the return values */
-extern ushort CDPNativeVLAN; /* CDP returned native VLAN */
-extern ushort CDPApplianceVLAN; /* CDP returned appliance VLAN */
+extern ushort cdp_native_vlan; /* CDP returned native VLAN */
+extern ushort cdp_appliance_vlan; /* CDP returned appliance VLAN */
/*
* Check for a CDP packet by examining the received MAC address field
diff --git a/net/cdp.c b/net/cdp.c
index 392437d..d8df3ea 100644
--- a/net/cdp.c
+++ b/net/cdp.c
@@ -36,17 +36,16 @@ const u8 net_cdp_ethaddr[6] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc };
#define CDP_TIMEOUT 250UL /* one packet every 250ms */
-static int CDPSeq;
-static int CDPOK;
+static int cdp_seq;
+static int cdp_ok;
-ushort CDPNativeVLAN;
-ushort CDPApplianceVLAN;
+ushort cdp_native_vlan;
+ushort cdp_appliance_vlan;
-static const uchar CDP_SNAP_hdr[8] = {
+static const uchar cdp_snap_hdr[8] = {
0xAA, 0xAA, 0x03, 0x00, 0x00, 0x0C, 0x20, 0x00 };
-static ushort
-CDP_compute_csum(const uchar *buff, ushort len)
+static ushort cdp_compute_csum(const uchar *buff, ushort len)
{
ushort csum;
int odd;
@@ -104,8 +103,7 @@ CDP_compute_csum(const uchar *buff, ushort len)
return csum;
}
-static int
-CDPSendTrigger(void)
+static int cdp_send_trigger(void)
{
uchar *pkt;
ushort *s;
@@ -130,8 +128,8 @@ CDPSendTrigger(void)
pkt += ETHER_HDR_SIZE;
/* SNAP header */
- memcpy((uchar *)pkt, CDP_SNAP_hdr, sizeof(CDP_SNAP_hdr));
- pkt += sizeof(CDP_SNAP_hdr);
+ memcpy((uchar *)pkt, cdp_snap_hdr, sizeof(cdp_snap_hdr));
+ pkt += sizeof(cdp_snap_hdr);
/* CDP header */
*pkt++ = 0x02; /* CDP version 2 */
@@ -210,8 +208,8 @@ CDPSendTrigger(void)
len = (uchar *)s - ((uchar *)net_tx_packet + ETHER_HDR_SIZE);
et->et_protlen = htons(len);
- len = ETHER_HDR_SIZE + sizeof(CDP_SNAP_hdr);
- chksum = CDP_compute_csum((uchar *)net_tx_packet + len,
+ len = ETHER_HDR_SIZE + sizeof(cdp_snap_hdr);
+ chksum = cdp_compute_csum((uchar *)net_tx_packet + len,
(uchar *)s - (net_tx_packet + len));
if (chksum == 0)
chksum = 0xFFFF;
@@ -221,19 +219,18 @@ CDPSendTrigger(void)
return 0;
}
-static void
-CDPTimeout(void)
+static void cdp_timeout_handler(void)
{
- CDPSeq++;
+ cdp_seq++;
- if (CDPSeq < 3) {
- NetSetTimeout(CDP_TIMEOUT, CDPTimeout);
- CDPSendTrigger();
+ if (cdp_seq < 3) {
+ NetSetTimeout(CDP_TIMEOUT, cdp_timeout_handler);
+ cdp_send_trigger();
return;
}
/* if not OK try again */
- if (!CDPOK)
+ if (!cdp_ok)
NetStartAgain();
else
net_set_state(NETLOOP_SUCCESS);
@@ -247,15 +244,15 @@ void cdp_receive(const uchar *pkt, unsigned len)
ushort vlan, nvlan;
/* minimum size? */
- if (len < sizeof(CDP_SNAP_hdr) + 4)
+ if (len < sizeof(cdp_snap_hdr) + 4)
goto pkt_short;
/* check for valid CDP SNAP header */
- if (memcmp(pkt, CDP_SNAP_hdr, sizeof(CDP_SNAP_hdr)) != 0)
+ if (memcmp(pkt, cdp_snap_hdr, sizeof(cdp_snap_hdr)) != 0)
return;
- pkt += sizeof(CDP_SNAP_hdr);
- len -= sizeof(CDP_SNAP_hdr);
+ pkt += sizeof(cdp_snap_hdr);
+ len -= sizeof(cdp_snap_hdr);
/* Version of CDP protocol must be >= 2 and TTL != 0 */
if (pkt[0] < 0x02 || pkt[1] == 0)
@@ -269,7 +266,7 @@ void cdp_receive(const uchar *pkt, unsigned len)
printf("**WARNING: CDP packet received with a protocol version "
"%d > 2\n", pkt[0] & 0xff);
- if (CDP_compute_csum(pkt, len) != 0)
+ if (cdp_compute_csum(pkt, len) != 0)
return;
pkt += 4;
@@ -340,28 +337,27 @@ void cdp_receive(const uchar *pkt, unsigned len)
}
}
- CDPApplianceVLAN = vlan;
- CDPNativeVLAN = nvlan;
+ cdp_appliance_vlan = vlan;
+ cdp_native_vlan = nvlan;
- CDPOK = 1;
+ cdp_ok = 1;
return;
- pkt_short:
+pkt_short:
printf("** CDP packet is too short\n");
return;
}
-void
-CDPStart(void)
+void cdp_start(void)
{
printf("Using %s device\n", eth_get_name());
- CDPSeq = 0;
- CDPOK = 0;
+ cdp_seq = 0;
+ cdp_ok = 0;
- CDPNativeVLAN = htons(-1);
- CDPApplianceVLAN = htons(-1);
+ cdp_native_vlan = htons(-1);
+ cdp_appliance_vlan = htons(-1);
- NetSetTimeout(CDP_TIMEOUT, CDPTimeout);
+ NetSetTimeout(CDP_TIMEOUT, cdp_timeout_handler);
- CDPSendTrigger();
+ cdp_send_trigger();
}
diff --git a/net/cdp.h b/net/cdp.h
index 95e4ce0..83475c9 100644
--- a/net/cdp.h
+++ b/net/cdp.h
@@ -14,7 +14,7 @@
#ifndef __CDP_H__
#define __CDP_H__
-void CDPStart(void);
+void cdp_start(void);
/* Process a received CDP packet */
void cdp_receive(const uchar *pkt, unsigned len);
diff --git a/net/net.c b/net/net.c
index 71baf35..4ae4134 100644
--- a/net/net.c
+++ b/net/net.c
@@ -412,7 +412,7 @@ restart:
#endif
#if defined(CONFIG_CMD_CDP)
case CDP:
- CDPStart();
+ cdp_start();
break;
#endif
#if defined (CONFIG_NETCONSOLE) && !(CONFIG_SPL_BUILD)
--
1.7.11.5
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