[PATCH] emac: fix jumbo frame support
From: Matt Porter <mporter@kernel.crashing.org>
Date: 2005-02-09 05:34:36
Also in:
netdev
Fixes a bug in RX buffer allocation so that jumbo size skbs are allocated when the MTU size is changed. Also removes the deprecated restore_flags() call. Please apply. Signed-off-by: Matt Porter <mporter@kernel.crashing.org> ===== drivers/net/ibm_emac/ibm_emac_core.c 1.7 vs edited =====
--- 1.7/drivers/net/ibm_emac/ibm_emac_core.c 2004-12-07 10:06:23 -07:00
+++ edited/drivers/net/ibm_emac/ibm_emac_core.c 2005-02-08 22:25:39 -07:00@@ -912,7 +912,6 @@ PKT_DEBUG(("emac_start_xmit() stopping queue\n")); netif_stop_queue(dev); spin_unlock_irqrestore(&fep->lock, flags); - restore_flags(flags); return -EBUSY; }
@@ -1281,7 +1280,7 @@ /* Format the receive descriptor ring. */ ep->rx_slot = 0; /* Default is MTU=1500 + Ethernet overhead */ - ep->rx_buffer_size = ENET_DEF_BUF_SIZE; + ep->rx_buffer_size = dev->mtu + ENET_HEADER_SIZE + ENET_FCS_SIZE; emac_rx_fill(dev, 0); if (ep->rx_slot != 0) { printk(KERN_ERR
===== drivers/net/ibm_emac/ibm_emac_core.h 1.2 vs edited =====
--- 1.2/drivers/net/ibm_emac/ibm_emac_core.h 2004-08-05 07:26:55 -07:00
+++ edited/drivers/net/ibm_emac/ibm_emac_core.h 2005-02-08 22:24:52 -07:00@@ -77,8 +77,6 @@ #define ENET_HEADER_SIZE 14 #define ENET_FCS_SIZE 4 -#define ENET_DEF_MTU_SIZE 1500 -#define ENET_DEF_BUF_SIZE (ENET_DEF_MTU_SIZE + ENET_HEADER_SIZE + ENET_FCS_SIZE) #define EMAC_MIN_FRAME 64 #define EMAC_MAX_FRAME 9018 #define EMAC_MIN_MTU (EMAC_MIN_FRAME - ENET_HEADER_SIZE - ENET_FCS_SIZE)