From a272ea16edbf1c89da224fd7def74d1a00ff8a23 Mon Sep 17 00:00:00 2001 From: Pyun YongHyeon Date: Tue, 12 Jun 2007 10:51:47 +0000 Subject: [PATCH] The maximum size of the sum of all segment lengths in a given DMA mapping should be 65535 + link layer headers. Pointed out by: gallatin --- sys/dev/msk/if_mskreg.h | 2 +- sys/dev/nfe/if_nfereg.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/dev/msk/if_mskreg.h b/sys/dev/msk/if_mskreg.h index a0e99fda50f2..8d90401a527a 100644 --- a/sys/dev/msk/if_mskreg.h +++ b/sys/dev/msk/if_mskreg.h @@ -2185,7 +2185,7 @@ struct msk_stat_desc { #define MSK_STAT_RING_CNT ((1 + 3) * (MSK_TX_RING_CNT + MSK_RX_RING_CNT)) #define MSK_MAXTXSEGS 32 #define MSK_TSO_MAXSGSIZE 4096 -#define MSK_TSO_MAXSIZE 65535 +#define MSK_TSO_MAXSIZE (65535 + sizeof(struct ether_vlan_header)) #define MSK_MAXRXSEGS 32 /* diff --git a/sys/dev/nfe/if_nfereg.h b/sys/dev/nfe/if_nfereg.h index 716428e2e531..78b73bb730ba 100644 --- a/sys/dev/nfe/if_nfereg.h +++ b/sys/dev/nfe/if_nfereg.h @@ -51,7 +51,7 @@ #define NFE_MAX_SCATTER 32 #define NFE_TSO_MAXSGSIZE 4096 -#define NFE_TSO_MAXSIZE 65535 +#define NFE_TSO_MAXSIZE (65535 + sizeof(struct ether_vlan_header)) #define NFE_IRQ_STATUS 0x000 #define NFE_IRQ_MASK 0x004