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authorJie Deng <Jie.Deng1@synopsys.com>2017-12-21 08:32:00 +0300
committerDavid S. Miller <davem@davemloft.net>2017-12-21 23:05:33 +0300
commit42afa0f8c70e06d6fc2aa09890f29c767c3f0947 (patch)
treed63bc9ed7317f7145e28e92d0cb53edfde098fc9 /drivers/net/ethernet/synopsys
parentfe1c3ef201c1ae629df9ee60b64e7030f6e703fb (diff)
downloadlinux-42afa0f8c70e06d6fc2aa09890f29c767c3f0947.tar.xz
net: dwc-xlgmac: Get rid of custom hex_dump_to_buffer()
Get rid of custom hex_dump_to_buffer(). The output is slightly changed, i.e. each byte followed by white space. Note, we don't use print_hex_dump() here since the original code uses nedev_dbg(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Jie Deng <jiedeng@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/synopsys')
-rw-r--r--drivers/net/ethernet/synopsys/dwc-xlgmac-common.c24
1 files changed, 7 insertions, 17 deletions
diff --git a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
index d655a4261e98..eb1c6b03c329 100644
--- a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
+++ b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c
@@ -333,9 +333,8 @@ void xlgmac_print_pkt(struct net_device *netdev,
struct sk_buff *skb, bool tx_rx)
{
struct ethhdr *eth = (struct ethhdr *)skb->data;
- unsigned char *buf = skb->data;
unsigned char buffer[128];
- unsigned int i, j;
+ unsigned int i;
netdev_dbg(netdev, "\n************** SKB dump ****************\n");
@@ -346,22 +345,13 @@ void xlgmac_print_pkt(struct net_device *netdev,
netdev_dbg(netdev, "Src MAC addr: %pM\n", eth->h_source);
netdev_dbg(netdev, "Protocol: %#06hx\n", ntohs(eth->h_proto));
- for (i = 0, j = 0; i < skb->len;) {
- j += snprintf(buffer + j, sizeof(buffer) - j, "%02hhx",
- buf[i++]);
-
- if ((i % 32) == 0) {
- netdev_dbg(netdev, " %#06x: %s\n", i - 32, buffer);
- j = 0;
- } else if ((i % 16) == 0) {
- buffer[j++] = ' ';
- buffer[j++] = ' ';
- } else if ((i % 4) == 0) {
- buffer[j++] = ' ';
- }
+ for (i = 0; i < skb->len; i += 32) {
+ unsigned int len = min(skb->len - i, 32U);
+
+ hex_dump_to_buffer(&skb->data[i], len, 32, 1,
+ buffer, sizeof(buffer), false);
+ netdev_dbg(netdev, " %#06x: %s\n", i, buffer);
}
- if (i % 32)
- netdev_dbg(netdev, " %#06x: %s\n", i - (i % 32), buffer);
netdev_dbg(netdev, "\n************** SKB dump ****************\n");
}