From 55ac74d4362564dffbc5c700dabc28af08b3c09c Mon Sep 17 00:00:00 2001 From: bz Date: Wed, 23 Nov 2011 16:03:47 +0000 Subject: [PATCH] MFC r227547: The maximum TSO frame size should be: maximum IP datagram size (65535 bytes) + Ethernet header size (14 bytes) + 2 * VLAN tag size (4 bytes) [1]. [1] We need to multiply by 2 to account for the double VLAN tag provision added in IEEE 802.1ad. Submitted by: David Somayajulu (david.somayajulu qlogic.com) Approved by: re (kib) git-svn-id: svn://svn.freebsd.org/base/releng/9.0@227892 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f --- sys/dev/qlxgb/qla_def.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/dev/qlxgb/qla_def.h b/sys/dev/qlxgb/qla_def.h index 8a761f48..d40d5e2a 100644 --- a/sys/dev/qlxgb/qla_def.h +++ b/sys/dev/qlxgb/qla_def.h @@ -86,7 +86,7 @@ typedef struct qla_tx_buf qla_tx_buf_t; #define QLA_MAX_SEGMENTS 63 /* maximum # of segs in a sg list */ #define QLA_MAX_FRAME_SIZE MJUM9BYTES #define QLA_STD_FRAME_SIZE 1514 -#define QLA_MAX_TSO_FRAME_SIZE (64 * 1024 - 1) +#define QLA_MAX_TSO_FRAME_SIZE ((64 * 1024 - 1) + 22) /* Number of MSIX/MSI Vectors required */ #define Q8_MSI_COUNT 4 -- 2.45.0