Ethernet packages with IEEE 802.1Q VLAN support may be up to 1522
bytes long. Increase the default size used to allocate packet
storage by 4 bytes. While at it, let git care about history and
rewrite the comment to represent the situation today only.
Signed-off-by: Stefan Agner <ste...@agner.ch>
---
include/net.h | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/include/net.h b/include/net.h
index 1fb4194..05800c4 100644
--- a/include/net.h
+++ b/include/net.h
@@ -465,20 +465,14 @@ struct icmp_hdr {
#define IP_ICMP_HDR_SIZE (IP_HDR_SIZE + ICMP_HDR_SIZE)
/*
- * Maximum packet size; used to allocate packet storage.
- * TFTP packets can be 524 bytes + IP header + ethernet header.
- * Lets be conservative, and go for 38 * 16. (Must also be
- * a multiple of 32 bytes).
- */
-/*
- * AS.HARNOIS : Better to set PKTSIZE to maximum size because
- * traffic type is not always controlled
- * maximum packet size = 1518
+ * Maximum packet size; used to allocate packet storage. Use
+ * the maxium Ethernet frame size as specified by the Ethernet
+ * standard including the 802.1Q tag (VLAN tagging).
+ * maximum packet size = 1522
* maximum packet size and multiple of 32 bytes = 1536
*/
-#define PKTSIZE 1518
+#define PKTSIZE 1522
#define PKTSIZE_ALIGN 1536
-/*#define PKTSIZE 608*/
/*
* Maximum receive ring size; that is, the number of packets
--
2.8.0
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